* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
+ * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
* This program is free but copyrighted software; see
- * the file COPYING for details.
+ * the file COPYING for details.
*
* ---------------------------------------------------
*/
-
#ifndef __MODULES_H
#define __MODULES_H
TYPE_OTHER
};
+enum MessageType {
+ MSG_PRIVMSG = 0,
+ MSG_NOTICE = 1
+};
+
#include "globals.h"
#include "dynamic.h"
#include "base.h"
#include <string>
#include <deque>
#include <sstream>
-#include <typeinfo>
#include "timer.h"
#include "mode.h"
#include "dns.h"
-class Server;
+/** If you change the module API, change this value.
+ * If you have enabled ipv6, the sizes of structs is
+ * different, and modules will be incompatible with
+ * ipv4 servers, so this value will be ten times as
+ * high on ipv6 servers.
+ */
+#define NATIVE_API_VERSION 11012
+#ifdef IPV6
+#define API_VERSION (NATIVE_API_VERSION * 10)
+#else
+#define API_VERSION (NATIVE_API_VERSION * 1)
+#endif
+
class ServerConfig;
-// Forward-delacare module for ModuleMessage etc
+/* Forward-delacare module for ModuleMessage etc
+ */
class Module;
/** Low level definition of a FileReader classes file cache area
*/
typedef std::map<std::string,Module*> featurelist;
+/** Holds a list of modules which implement an interface
+ */
+typedef std::deque<Module*> modulelist;
+
+/** Holds a list of all modules which implement interfaces, by interface name
+ */
+typedef std::map<std::string, std::pair<int, modulelist> > interfacelist;
+
/**
* This #define allows us to call a method in all
* loaded modules in a readable simple way, e.g.:
* 'FOREACH_MOD(I_OnXonnwxr,OnConnect(user));'
*/
#define FOREACH_MOD(y,x) if (ServerInstance->Config->global_implementation[y] > 0) { \
- for (int _i = 0; _i <= MODCOUNT; _i++) { \
+ for (int _i = 0; _i <= ServerInstance->GetModuleCount(); _i++) { \
if (ServerInstance->Config->implement_lists[_i][y]) \
try \
{ \
- modules[_i]->x ; \
+ ServerInstance->modules[_i]->x ; \
} \
- catch (ModuleException& modexcept) \
+ catch (CoreException& modexcept) \
{ \
- log(DEBUG,"Module exception caught: %s",modexcept.GetReason()); \
+ ServerInstance->Log(DEFAULT,"Exception cought: %s",modexcept.GetReason()); \
} \
} \
}
#define FOREACH_MOD_I(z,y,x) if (z->Config->global_implementation[y] > 0) { \
- for (int _i = 0; _i <= MODCOUNT; _i++) { \
+ for (int _i = 0; _i <= z->GetModuleCount(); _i++) { \
if (z->Config->implement_lists[_i][y]) \
try \
{ \
- modules[_i]->x ; \
+ z->modules[_i]->x ; \
} \
- catch (ModuleException& modexcept) \
+ catch (CoreException& modexcept) \
{ \
- log(DEBUG,"Module exception caught: %s",modexcept.GetReason()); \
+ z->Log(DEFAULT,"Exception cought: %s",modexcept.GetReason()); \
} \
} \
}
*/
#define FOREACH_RESULT(y,x) { if (ServerInstance->Config->global_implementation[y] > 0) { \
MOD_RESULT = 0; \
- for (int _i = 0; _i <= MODCOUNT; _i++) { \
+ for (int _i = 0; _i <= ServerInstance->GetModuleCount(); _i++) { \
if (ServerInstance->Config->implement_lists[_i][y]) { \
try \
{ \
- int res = modules[_i]->x ; \
+ int res = ServerInstance->modules[_i]->x ; \
if (res != 0) { \
MOD_RESULT = res; \
break; \
} \
} \
- catch (ModuleException& modexcept) \
+ catch (CoreException& modexcept) \
{ \
- log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+ ServerInstance->Log(DEFAULT,"Exception cought: %s",modexcept.GetReason()); \
} \
} \
} \
#define FOREACH_RESULT_I(z,y,x) { if (z->Config->global_implementation[y] > 0) { \
MOD_RESULT = 0; \
- for (int _i = 0; _i <= MODCOUNT; _i++) { \
+ for (int _i = 0; _i <= z->GetModuleCount(); _i++) { \
if (z->Config->implement_lists[_i][y]) { \
try \
{ \
- int res = modules[_i]->x ; \
+ int res = z->modules[_i]->x ; \
if (res != 0) { \
MOD_RESULT = res; \
break; \
} \
} \
- catch (ModuleException& modexcept) \
+ catch (CoreException& modexcept) \
{ \
- log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+ z->Log(DEBUG,"Exception cought: %s",modexcept.GetReason()); \
} \
} \
} \
// useful macros
-#define IS_LOCAL(x) ((x->fd > -1) && (x->fd <= MAX_DESCRIPTORS))
-#define IS_REMOTE(x) (x->fd < 0)
-#define IS_MODULE_CREATED(x) (x->fd == FD_MAGIC_NUMBER)
+#define IS_LOCAL(x) ((x->GetFd() > -1) && (x->GetFd() <= MAX_DESCRIPTORS))
+#define IS_REMOTE(x) (x->GetFd() < 0)
+#define IS_MODULE_CREATED(x) (x->GetFd() == FD_MAGIC_NUMBER)
/** Holds a module's Version information
* The four members (set by the constructor only) indicate details as to the version number
class Version : public classbase
{
public:
- const int Major, Minor, Revision, Build, Flags;
- Version(int major, int minor, int revision, int build, int flags);
-};
-
-/** 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 std::string Name, Email, Nick;
- Admin(std::string name, std::string email, std::string nick);
+ const int Major, Minor, Revision, Build, Flags, API;
+ Version(int major, int minor, int revision, int build, int flags, int api_ver);
};
/** The ModuleMessage class is the base class of Request and Event
* This class is used to represent a basic data structure which is passed
* between modules for safe inter-module communications.
*/
-class ModuleMessage : public classbase
+class ModuleMessage : public Extensible
{
public:
- /** This class is pure virtual and must be inherited.
- */
- virtual char* Send() = 0;
virtual ~ModuleMessage() {};
};
* The return result of an Event::Send() will always be NULL as
* no replies are expected.
*/
- char* Send();
+ char* Send(InspIRCd* ServerInstance);
};
/** This class can be used on its own to represent an exception, or derived to represent a module-specific exception.
* be loaded. If this happens, the error message returned by ModuleException::GetReason will be displayed to the user
* attempting to load the module, or dumped to the console if the ircd is currently loading for the first time.
*/
-class ModuleException : public classbase
+class CoreException : public std::exception
{
- private:
+ protected:
/** Holds the error message to be displayed
*/
- std::string err;
+ const std::string err;
+ const std::string source;
public:
- /** Default constructor, just uses the error mesage 'Module threw an exception'.
+ /** Default constructor, just uses the error mesage 'Core threw an exception'.
*/
- ModuleException() : err("Module threw an exception") {}
+ CoreException() : err("Core threw an exception"), source("The core") {}
/** This constructor can be used to specify an error message before throwing.
*/
- ModuleException(std::string message) : err(message) {}
+ CoreException(const std::string &message) : err(message), source("The core") {}
+ /** This constructor can be used to specify an error message before throwing,
+ * and to specify the source of the exception.
+ */
+ CoreException(const std::string &message, const std::string &src) : err(message), source(src) {}
/** This destructor solves world hunger, cancels the world debt, and causes the world to end.
* Actually no, it does nothing. Never mind.
+ * @throws Nothing!
*/
- virtual ~ModuleException() {};
+ virtual ~CoreException() throw() {};
/** Returns the reason for the exception.
* The module should probably put something informative here as the user will see this upon failure.
*/
{
return err.c_str();
}
+
+ virtual const char* GetSource()
+ {
+ return source.c_str();
+ }
+};
+
+class ModuleException : public CoreException
+{
+ public:
+ /** Default constructor, just uses the error mesage 'Module threw an exception'.
+ */
+ ModuleException() : CoreException("Module threw an exception", "A Module") {}
+
+ /** This constructor can be used to specify an error message before throwing.
+ */
+ ModuleException(const std::string &message) : CoreException(message, "A Module") {}
+ /** This destructor solves world hunger, cancels the world debt, and causes the world to end.
+ * Actually no, it does nothing. Never mind.
+ * @throws Nothing!
+ */
+ virtual ~ModuleException() throw() {};
};
/** Priority types which can be returned from Module::Prioritize()
I_OnDecodeMetaData, I_ProtoSendMode, I_ProtoSendMetaData, I_OnWallops, I_OnChangeHost, I_OnChangeName, I_OnAddGLine,
I_OnAddZLine, I_OnAddQLine, I_OnAddKLine, I_OnAddELine, I_OnDelGLine, I_OnDelZLine, I_OnDelKLine, I_OnDelELine, I_OnDelQLine,
I_OnCleanup, I_OnUserPostNick, I_OnAccessCheck, I_On005Numeric, I_OnKill, I_OnRemoteKill, I_OnLoadModule, I_OnUnloadModule,
- I_OnBackgroundTimer, I_OnPreCommand, I_OnCheckReady, I_OnUserRrgister, I_OnRawMode, I_OnCheckInvite,
+ I_OnBackgroundTimer, I_OnPreCommand, I_OnCheckReady, I_OnUserRrgister, I_OnCheckInvite,
I_OnCheckKey, I_OnCheckLimit, I_OnCheckBan, I_OnStats, I_OnChangeLocalUserHost, I_OnChangeLocalUserGecos, I_OnLocalTopicChange,
- I_OnPostLocalTopicChange, I_OnEvent, I_OnRequest, I_OnOperCompre, I_OnGlobalOper, I_OnGlobalConnect, I_OnAddBan, I_OnDelBan,
+ I_OnPostLocalTopicChange, I_OnEvent, I_OnRequest, I_OnOperCompre, I_OnGlobalOper, I_OnPostConnect, I_OnAddBan, I_OnDelBan,
I_OnRawSocketAccept, I_OnRawSocketClose, I_OnRawSocketWrite, I_OnRawSocketRead, I_OnChangeLocalUserGECOS, I_OnUserRegister,
- I_OnOperCompare, I_OnChannelDelete, I_OnPostOper, I_OnSyncOtherMetaData, I_OnSetAway, I_OnCancelAway };
+ I_OnOperCompare, I_OnChannelDelete, I_OnPostOper, I_OnSyncOtherMetaData, I_OnSetAway, I_OnCancelAway, I_OnUserList,
+ I_OnPostCommand, I_OnPostJoin, I_OnWhoisLine, I_OnBuildExemptList, I_OnRawSocketConnect, I_OnGarbageCollect };
/** Base class for all InspIRCd modules
* This class is the base class for InspIRCd modules. All modules must inherit from this class,
*/
class Module : public Extensible
{
+ protected:
+ InspIRCd* ServerInstance;
public:
/** Default constructor
* Creates a module class.
- * @param Me An instance of the Server class which can be saved for future use
+ * @param Me An instance of the InspIRCd class which will be saved into ServerInstance for your use
* \exception ModuleException Throwing this class, or any class derived from ModuleException, causes loading of the module to abort.
*/
- Module(Server* Me);
+ Module(InspIRCd* Me);
/** Default destructor
* destroys a module class
*
* PRIORITY_DONTCARE - To leave your module as it is (this is the default value, if you do not implement this function)
*
- * The result of Server::PriorityBefore() - To move your module before another named module
+ * The result of InspIRCd::PriorityBefore() - To move your module before another named module
*
- * The result of Server::PriorityLast() - To move your module after another named module
+ * The result of InspIRCd::PriorityLast() - To move your module after another named module
*
* For a good working example of this method call, please see src/modules/m_spanningtree.cpp
* and src/modules/m_hostchange.so which make use of it. It is highly recommended that unless
*/
virtual void OnUserJoin(userrec* user, chanrec* channel);
+ /** Called after a user joins a channel
+ * Identical to OnUserJoin, but called immediately afterwards, when any linking module has
+ * seen the join.
+ * @param user The user who is joining
+ * @param channel The channel being joined
+ */
+ virtual void OnPostJoin(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
* system. You should use it to reload any files so that your module keeps in step with the
* rest of the application. If a parameter is given, the core has done nothing. The module
* receiving the event can decide if this parameter has any relevence to it.
+ * @param user The user performing the rehash, if any -- if this is server initiated, the
+ * value of this variable will be NULL.
* @param parameter The (optional) parameter given to REHASH from the user.
*/
- virtual void OnRehash(const std::string ¶meter);
+ virtual void OnRehash(userrec* user, const std::string ¶meter);
/** 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
* processing on the actual channel record at this point, however the channel NAME will still be passed in
* char* cname, so that you could for example implement a channel blacklist or whitelist, etc.
* @param user The user joining the channel
- * @param cname The channel name being joined
+ * @param chan If the channel is a new channel, this will be NULL, otherwise it will be a pointer to the channel being joined
+ * @param cname The channel name being joined. For new channels this is valid where chan is not.
+ * @param privs A string containing the users privilages when joining the channel. For new channels this will contain "@".
+ * You may alter this string to alter the user's modes on the channel.
* @return 1 To prevent the join, 0 to allow it.
*/
- virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname);
+ virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname, std::string &privs);
/** Called whenever a user is about to be kicked.
* Returning a value of 1 from this function stops the process immediately, causing no
* @param target_type The type of target (TYPE_USER or TYPE_CHANNEL)
* @param text Changeable text being sent by the user
* @param status The status being used, e.g. PRIVMSG @#chan has status== '@', 0 to send to everyone.
+ * @param exempt_list A list of users not to send to. For channel messages, this will usually contain just the sender.
+ * It will be ignored for private messages.
* @return 1 to deny the NOTICE, 0 to allow it
*/
- virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text,char status);
+ virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text,char status, CUList &exempt_list);
/** Called whenever a user is about to NOTICE A user or a channel, before any processing is done.
* Returning any nonzero value from this function stops the process immediately, causing no
* @param target_type The type of target (TYPE_USER or TYPE_CHANNEL)
* @param text Changeable text being sent by the user
* @param status The status being used, e.g. PRIVMSG @#chan has status== '@', 0 to send to everyone.
+ * @param exempt_list A list of users not to send to. For channel notices, this will usually contain just the sender.
+ * It will be ignored for private notices.
* @return 1 to deny the NOTICE, 0 to allow it
*/
- virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text,char status);
+ virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text,char status, CUList &exempt_list);
+
+ /** Called whenever the server wants to build the exemption list for a channel, but is not directly doing a PRIVMSG or NOTICE.
+ * For example, the spanningtree protocol will call this event when passing a privmsg on (but not processing it directly).
+ * @param message_type The message type, either MSG_PRIVMSG or MSG_NOTICE
+ * @param chan The channel to build the exempt list of
+ * @param sender The original sender of the PRIVMSG or NOTICE
+ * @param status The status char to be used for the channel list
+ * @param exempt_list The exempt list to be populated
+ */
+ virtual void OnBuildExemptList(MessageType message_type, chanrec* chan, userrec* sender, char status, CUList &exempt_list);
/** Called before any nickchange, local or remote. This can be used to implement Q-lines etc.
* Please note that although you can see remote nickchanges through this function, you should
* @param text the text being sent by the user
* @param status The status being used, e.g. PRIVMSG @#chan has status== '@', 0 to send to everyone.
*/
- virtual void OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status);
+ virtual void OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list);
/** Called after any NOTICE sent from a user.
* The dest variable contains a userrec* if target_type is TYPE_USER and a chanrec*
* @param text the text being sent by the user
* @param status The status being used, e.g. NOTICE @#chan has status== '@', 0 to send to everyone.
*/
- virtual void OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status);
+ virtual void OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list);
/** Called after every MODE command sent from a user
* The dest variable contains a userrec* if target_type is TYPE_USER and a chanrec*
/** Called whenever any command is about to be executed.
* This event occurs for all registered commands, wether they are registered in the core,
- * or another module, but it will not occur for invalid commands (e.g. ones which do not
- * exist within the command table). By returning 1 from this method you may prevent the
+ * or another module, and for invalid commands. Invalid commands may only be sent to this
+ * function when the value of validated is false. By returning 1 from this method you may prevent the
* command being executed. If you do this, no output is created by the core, and it is
* down to your module to produce any output neccessary.
* Note that unless you return 1, you should not destroy any structures (e.g. by using
- * Server::QuitUser) otherwise when the command's handler function executes after your
+ * InspIRCd::QuitUser) otherwise when the command's handler function executes after your
* method returns, it will be passed an invalid pointer to the user object and crash!)
* @param command The command being executed
* @param parameters An array of array of characters containing the parameters for the command
* @param pcnt The nuimber of parameters passed to the command
* @param user the user issuing the command
* @param validated True if the command has passed all checks, e.g. it is recognised, has enough parameters, the user has permission to execute it, etc.
+ * @param original_line The entire original line as passed to the parser from the user
* @return 1 to block the command, 0 to allow
*/
- virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated);
+ virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line);
+
+ /** Called after any command has been executed.
+ * This event occurs for all registered commands, wether they are registered in the core,
+ * or another module, but it will not occur for invalid commands (e.g. ones which do not
+ * exist within the command table). The result code returned by the command handler is
+ * provided.
+ * @param command The command being executed
+ * @param parameters An array of array of characters containing the parameters for the command
+ * @param pcnt The nuimber of parameters passed to the command
+ * @param user the user issuing the command
+ * @param result The return code given by the command handler, one of CMD_SUCCESS or CMD_FAILURE
+ * @param original_line The entire original line as passed to the parser from the user
+ */
+ virtual void OnPostCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, CmdResult result, const std::string &original_line);
/** Called to check if a user who is connecting can now be allowed to register
* If any modules return false for this function, the user is held in the waiting
* Note that you should NOT delete the user record here by causing a disconnection!
* Use OnUserConnect for that instead.
* @param user The user registering
+ * @return 1 to indicate user quit, 0 to continue
*/
- virtual void OnUserRegister(userrec* user);
-
- /** Called whenever a mode character is processed.
- * Return 1 from this function to block the mode character from being processed entirely,
- * so that you may perform your own code instead. Note that this method allows you to override
- * modes defined by other modes, but this is NOT RECOMMENDED!
- * @param user The user who is sending the mode
- * @param chan The channel the mode is being sent to
- * @param mode The mode character being set
- * @param param The parameter for the mode or an empty string
- * @param adding true of the mode is being added, false if it is being removed
- * @param pcnt The parameter count for the mode (0 or 1)
- * @return 1 to deny the mode, 0 to allow
- */
- virtual int OnRawMode(userrec* user, chanrec* chan, char mode, const std::string ¶m, bool adding, int pcnt);
+ virtual int OnUserRegister(userrec* user);
/** Called whenever a user joins a channel, to determine if invite checks should go ahead or not.
* This method will always be called for each join, wether or not the channel is actually +i, and
* This method is triggered for all /STATS use, including stats symbols handled by the core.
* @param symbol the symbol provided to /STATS
* @param user the user issuing the /STATS command
- * @param results A string_list to append results into
+ * @param results A string_list to append results into. You should put all your results
+ * into this string_list, rather than displaying them directly, so that your handler will
+ * work when remote STATS queries are received.
* @return 1 to block the /STATS from being processed by the core, 0 to allow it
*/
virtual int OnStats(char symbol, userrec* user, string_list &results);
* to do nothing.
* @param password The oper's password
* @param input The password entered
- * @return 1 to match the passwords, 0 to do nothing
+ * @param tagnumber The tag number (from the configuration file) of this oper's tag
+ * @return 1 to match the passwords, 0 to do nothing. -1 to not match, and not continue.
*/
- virtual int OnOperCompare(const std::string &password, const std::string &input);
+ virtual int OnOperCompare(const std::string &password, const std::string &input, int tagnumber);
/** Called whenever a user is given usermode +o, anywhere on the network.
* You cannot override this and prevent it from happening as it is already happened and
*/
virtual void OnGlobalOper(userrec* user);
- /** Called whenever a user connects, anywhere on the network.
+ /** Called after a user has fully connected and all modules have executed OnUserConnect
* This event is informational only. You should not change any user information in this
* event. To do so, use the OnUserConnect method to change the state of local users.
+ * This is called for both local and remote users.
* @param user The user who is connecting
*/
- virtual void OnGlobalConnect(userrec* user);
+ virtual void OnPostConnect(userrec* user);
/** Called whenever a ban is added to a channel's list.
* Return a non-zero value to 'eat' the mode change and prevent the ban from being added.
*/
virtual void OnRawSocketClose(int fd);
+ virtual void OnRawSocketConnect(int fd);
+
/** Called immediately before any read() operation on a client socket in the core.
* This occurs AFTER the select() or poll() so there is always data waiting to be read
* when this event occurs.
/** Called when a user cancels their away state.
*/
virtual void OnCancelAway(userrec* user);
-};
-
-
-/** 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 Extensible
-{
- public:
- /** For use with Module::Prioritize().
- * When the return value of this function is returned from
- * Module::Prioritize(), this specifies that the module wishes
- * to be ordered exactly BEFORE 'modulename'. For more information
- * please see Module::Prioritize().
- * @param modulename The module your module wants to be before in the call list
- * @returns a priority ID which the core uses to relocate the module in the list
- */
- long PriorityBefore(const std::string &modulename);
- /** For use with Module::Prioritize().
- * When the return value of this function is returned from
- * Module::Prioritize(), this specifies that the module wishes
- * to be ordered exactly AFTER 'modulename'. For more information please
- * see Module::Prioritize().
- * @param modulename The module your module wants to be after in the call list
- * @returns a priority ID which the core uses to relocate the module in the list
+ /** Called whenever a NAMES list is requested.
+ * You can produce the nameslist yourself, overriding the current list,
+ * and if you do you must return 1. If you do not handle the names list,
+ * return 0.
*/
- long PriorityAfter(const std::string &modulename);
+ virtual int OnUserList(userrec* user, chanrec* Ptr);
- /** Publish a 'feature'.
- * There are two ways for a module to find another module it depends on.
- * Either by name, using Server::FindModule, or by feature, using this
- * function. A feature is an arbitary string which identifies something this
- * module can do. For example, if your module provides SSL support, but other
- * modules provide SSL support too, all the modules supporting SSL should
- * publish an identical 'SSL' feature. This way, any module requiring use
- * of SSL functions can just look up the 'SSL' feature using FindFeature,
- * then use the module pointer they are given.
- * @param FeatureName The case sensitive feature name to make available
- * @param Mod a pointer to your module class
- * @returns True on success, false if the feature is already published by
- * another module.
+ /** Called whenever a line of WHOIS output is sent to a user.
+ * You may change the numeric and the text of the output by changing
+ * the values numeric and text, but you cannot change the user the
+ * numeric is sent to. You may however change the user's userrec values.
+ * @param user The user the numeric is being sent to
+ * @param dest The user being WHOISed
+ * @param numeric The numeric of the line being sent
+ * @param text The text of the numeric, including any parameters
+ * @return nonzero to drop the line completely so that the user does not
+ * receive it, or zero to allow the line to be sent.
*/
- bool PublishFeature(const std::string &FeatureName, Module* Mod);
+ virtual int OnWhoisLine(userrec* user, userrec* dest, int &numeric, std::string &text);
- /** Unpublish a 'feature'.
- * When your module exits, it must call this method for every feature it
- * is providing so that the feature table is cleaned up.
- * @param FeatureName the feature to remove
+ /** Called at intervals for modules to garbage-collect any hashes etc.
+ * Certain data types such as hash_map 'leak' buckets, which must be
+ * tidied up and freed by copying into a new item every so often. This
+ * method is called when it is time to do that.
*/
- bool UnpublishFeature(const std::string &FeatureName);
-
- /** Find a 'feature'.
- * There are two ways for a module to find another module it depends on.
- * Either by name, using Server::FindModule, or by feature, using the
- * Server::PublishFeature method. A feature is an arbitary string which
- * identifies something this module can do. For example, if your module
- * provides SSL support, but other modules provide SSL support too, all
- * the modules supporting SSL should publish an identical 'SSL' feature.
- * To find a module capable of providing the feature you want, simply
- * call this method with the feature name you are looking for.
- * @param FeatureName The feature name you wish to obtain the module for
- * @returns A pointer to a valid module class on success, NULL on failure.
- */
- Module* FindFeature(const std::string &FeatureName);
-
- const std::string& GetModuleName(Module* m);
-
- /** 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, const std::string &s);
-
- /** Returns true if a nick is valid.
- * Nicks for unregistered connections will return false.
- */
- virtual bool IsNick(const std::string &nick);
-
- /** Attempts to look up a nick using the file descriptor associated with that nick.
- * This function will return NULL if the file descriptor is not associated with a valid user.
- */
- virtual userrec* FindDescriptor(int socket);
-
- /** Returns the server name of the server where the module is loaded.
- */
- virtual std::string GetServerName();
-
- /** Returns the network name, global to all linked servers.
- */
- virtual std::string GetNetworkName();
-
- /** Returns the server description string of the local server
- */
- virtual std::string GetServerDescription();
-
- /** 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();
-
- virtual bool AddMode(ModeHandler* mh, const unsigned char modechar);
-
- virtual bool AddModeWatcher(ModeWatcher* mw);
-
- virtual bool DelModeWatcher(ModeWatcher* mw);
-
- virtual bool AddResolver(Resolver* r);
-
- /** Adds a command to the command table.
- * This allows modules to add extra commands into the command table. You must place a function within your
- * module which is is of type handlerfunc:
- *
- * typedef void (handlerfunc) (char**, int, userrec*);
- * ...
- * void handle_kill(char **parameters, int pcnt, userrec *user)
- *
- * When the command is typed, the parameters will be placed into the parameters array (similar to argv) and
- * the parameter count will be placed into pcnt (similar to argv). There will never be any less parameters
- * than the 'minparams' value you specified when creating the command. The *user parameter is the class of
- * the user which caused the command to trigger, who will always have the flag you specified in 'flags' when
- * creating the initial command. For example to create an oper only command create the commands with flags='o'.
- * The source parameter is used for resource tracking, and should contain the name of your module (with file
- * extension) e.g. "m_blarp.so". If you place the wrong identifier here, you can cause crashes if your module
- * is unloaded.
- */
- virtual void AddCommand(command_t *f);
-
- /** Sends a servermode.
- * you must format the parameters array with the target, modes and parameters for those modes.
- *
- * For example:
- *
- * char *modes[3];
- *
- * modes[0] = ChannelName;
- *
- * modes[1] = "+o";
- *
- * modes[2] = user->nick;
- *
- * Srv->SendMode(modes,3,user);
- *
- * The modes will originate from the server where the command was issued, however responses (e.g. numerics)
- * will be sent to the user you provide as the third parameter.
- * You must be sure to get the number of parameters correct in the pcnt parameter otherwise you could leave
- * your server in an unstable state!
- */
-
- virtual void SendMode(const char **parameters, int pcnt, userrec *user);
-
- /** Matches text against a glob pattern.
- * Uses the ircd's internal matching function to match string against a globbing pattern, e.g. *!*@*.com
- * Returns true if the literal successfully matches the pattern, false if otherwise.
- */
- virtual bool MatchText(const std::string &sliteral, const std::string &spattern);
-
- /** Calls the handler for a command, either implemented by the core or by another module.
- * You can use this function to trigger other commands in the ircd, such as PRIVMSG, JOIN,
- * KICK etc, or even as a method of callback. By defining command names that are untypeable
- * for users on irc (e.g. those which contain a \r or \n) you may use them as callback identifiers.
- * The first parameter to this method is the name of the command handler you wish to call, e.g.
- * PRIVMSG. This will be a command handler previously registered by the core or wih AddCommand().
- * The second parameter is an array of parameters, and the third parameter is a count of parameters
- * in the array. If you do not pass enough parameters to meet the minimum needed by the handler, the
- * functiom will silently ignore it. The final parameter is the user executing the command handler,
- * used for privilage checks, etc.
- * @return True if the command exists
- */
- virtual bool CallCommandHandler(const std::string &commandname, const char** parameters, int pcnt, userrec* user);
-
- /** This function returns true if the commandname exists, pcnt is equal to or greater than the number
- * of paramters the command requires, the user specified is allowed to execute the command, AND
- * if the command is implemented by a module (not the core). This has a few specific uses, usually
- * within network protocols (see src/modules/m_spanningtree.cpp)
- */
- virtual bool IsValidModuleCommand(const std::string &commandname, int pcnt, userrec* user);
-
- /** Returns true if the servername you give is ulined.
- * ULined servers have extra privilages. They are allowed to change nicknames on remote servers,
- * change modes of clients which are on remote servers and set modes of channels where there are
- * no channel operators for that channel on the ulined server, amongst other things.
- */
- virtual bool IsUlined(const std::string &server);
-
- /** Adds a G-line
- * The G-line is propogated to all of the servers in the mesh and enforced as soon as it is added.
- * The duration must be in seconds, however you can use the Server::CalcDuration method to convert
- * durations into the 1w2d3h3m6s format used by /GLINE etc. The source is an arbitary string used
- * to indicate who or what sent the data, usually this is the nickname of a person, or a server
- * name.
- */
- virtual void AddGLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
-
- /** Adds a Q-line
- * The Q-line is propogated to all of the servers in the mesh and enforced as soon as it is added.
- * The duration must be in seconds, however you can use the Server::CalcDuration method to convert
- * durations into the 1w2d3h3m6s format used by /GLINE etc. The source is an arbitary string used
- * to indicate who or what sent the data, usually this is the nickname of a person, or a server
- * name.
- */
- virtual void AddQLine(long duration, const std::string &source, const std::string &reason, const std::string &nickname);
-
- /** Adds a Z-line
- * The Z-line is propogated to all of the servers in the mesh and enforced as soon as it is added.
- * The duration must be in seconds, however you can use the Server::CalcDuration method to convert
- * durations into the 1w2d3h3m6s format used by /GLINE etc. The source is an arbitary string used
- * to indicate who or what sent the data, usually this is the nickname of a person, or a server
- * name.
- */
- virtual void AddZLine(long duration, const std::string &source, const std::string &reason, const std::string &ipaddr);
-
- /** Adds a K-line
- * The K-line is enforced as soon as it is added.
- * The duration must be in seconds, however you can use the Server::CalcDuration method to convert
- * durations into the 1w2d3h3m6s format used by /GLINE etc. The source is an arbitary string used
- * to indicate who or what sent the data, usually this is the nickname of a person, or a server
- * name.
- */
- virtual void AddKLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
-
- /** Adds a E-line
- * The E-line is enforced as soon as it is added.
- * The duration must be in seconds, however you can use the Server::CalcDuration method to convert
- * durations into the 1w2d3h3m6s format used by /GLINE etc. The source is an arbitary string used
- * to indicate who or what sent the data, usually this is the nickname of a person, or a server
- * name.
- */
- virtual void AddELine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask);
-
- /** Deletes a G-Line from all servers
- */
- virtual bool DelGLine(const std::string &hostmask);
-
- /** Deletes a Q-Line from all servers
- */
- virtual bool DelQLine(const std::string &nickname);
-
- /** Deletes a Z-Line from all servers
- */
- virtual bool DelZLine(const std::string &ipaddr);
-
- /** Deletes a local K-Line
- */
- virtual bool DelKLine(const std::string &hostmask);
-
- /** Deletes a local E-Line
- */
- virtual bool DelELine(const std::string &hostmask);
-
- /** Calculates a duration
- * This method will take a string containing a formatted duration (e.g. "1w2d") and return its value
- * as a total number of seconds. This is the same function used internally by /GLINE etc to set
- * the ban times.
- */
- virtual long CalcDuration(const std::string &duration);
-
- /** Returns true if a nick!ident@host string is correctly formatted, false if otherwise.
- */
- virtual bool IsValidMask(const std::string &mask);
-
- /** This function finds a module by name.
- * You must provide the filename of the module. If the module cannot be found (is not loaded)
- * the function will return NULL.
- */
- virtual Module* FindModule(const std::string &name);
-
- /** Adds a class derived from InspSocket to the server's socket engine.
- */
- virtual void AddSocket(InspSocket* sock);
-
- /** Forcibly removes a class derived from InspSocket from the servers socket engine.
- */
- virtual void RemoveSocket(InspSocket* sock);
-
- /** Deletes a class derived from InspSocket from the server's socket engine.
- */
- virtual void DelSocket(InspSocket* sock);
-
- /** Causes the local server to rehash immediately.
- * WARNING: Do not call this method from within your rehash method, for
- * obvious reasons!
- */
- virtual void RehashServer();
-
- /** This method returns the total number of channels on the network.
- */
- virtual long GetChannelCount();
-
- /** This method returns a channel whos index is greater than or equal to 0 and less than the number returned by Server::GetChannelCount().
- * This is slower (by factors of dozens) than requesting a channel by name with Server::FindChannel(), however there are times when
- * you wish to safely iterate the channel list, saving your position, with large amounts of time in between, which is what this function
- * is useful for.
- */
- virtual chanrec* GetChannelIndex(long index);
-
- /** Dumps text (in a stringstream) to a user. The stringstream should not contain linefeeds, as it will be split
- * automatically by the function into safe amounts. The line prefix given is prepended onto each line (e.g. a servername
- * and a numeric).
- */
- void DumpText(userrec* User, const std::string &LinePrefix, stringstream &TextStream);
+ virtual void OnGarbageCollect();
};
class ConfigReader : public classbase
{
protected:
+ InspIRCd* ServerInstance;
/** The contents of the configuration file
* This protected member should never be accessed by a module (and cannot be accessed unless the
* core is changed). It will contain a pointer to the configuration file data with unneeded data
* This constructor initialises the ConfigReader class to read the inspircd.conf file
* as specified when running ./configure.
*/
- ConfigReader(); // default constructor reads ircd.conf
+ ConfigReader(InspIRCd* Instance);
/** Overloaded constructor.
* This constructor initialises the ConfigReader class to read a user-specified config file
*/
- ConfigReader(const std::string &filename); // read a module-specific config
+ ConfigReader(InspIRCd* Instance, const std::string &filename);
/** 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.
*/
- std::string ReadValue(const std::string &tag, const std::string &name, int index);
+ std::string ReadValue(const std::string &tag, const std::string &name, int index, bool allow_linefeeds = false);
+ /** 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. If the
+ * tag is not found the default value is returned instead.
+ */
+ std::string ReadValue(const std::string &tag, const std::string &name, const std::string &default_value, int index, bool allow_linefeeds = false);
+
/** Retrieves a boolean value from the config file.
* This method retrieves a boolean value from the config file. Where multiple copies of the tag
* exist in the config file, index indicates which of the values to retrieve. The values "1", "yes"
* and "true" in the config file count as true to ReadFlag, and any other value counts as false.
*/
bool ReadFlag(const std::string &tag, const std::string &name, int index);
+ /** Retrieves a boolean value from the config file.
+ * This method retrieves a boolean value from the config file. Where multiple copies of the tag
+ * exist in the config file, index indicates which of the values to retrieve. The values "1", "yes"
+ * and "true" in the config file count as true to ReadFlag, and any other value counts as false.
+ * If the tag is not found, the default value is used instead.
+ */
+ bool ReadFlag(const std::string &tag, const std::string &name, const std::string &default_value, int index);
+
/** Retrieves an integer value from the config file.
* This method retrieves an integer value from the config file. Where multiple copies of the tag
* exist in the config file, index indicates which of the values to retrieve. Any invalid integer
* will return CONF_NOT_UNSIGNED
*/
long ReadInteger(const std::string &tag, const std::string &name, int index, bool needs_unsigned);
+ /** Retrieves an integer value from the config file.
+ * This method retrieves an integer value from the config file. Where multiple copies of the tag
+ * exist in the config file, index indicates which of the values to retrieve. Any invalid integer
+ * values in the tag will cause the objects error value to be set, and any call to GetError() will
+ * return CONF_INVALID_NUMBER to be returned. needs_unsigned is set if the number must be unsigned.
+ * If a signed number is placed into a tag which is specified unsigned, 0 will be returned and GetError()
+ * will return CONF_NOT_UNSIGNED. If the tag is not found, the default value is used instead.
+ */
+ long ReadInteger(const std::string &tag, const std::string &name, const std::string &default_value, int index, bool needs_unsigned);
+
/** Returns the last error to occur.
* Valid errors can be found by looking in modules.h. Any nonzero value indicates an error condition.
* A call to GetError() resets the error flag back to 0.
*/
class FileReader : public classbase
{
+ InspIRCd* ServerInstance;
/** The file contents
*/
file_cache fc;
* This method does not load any file into memory, you must use the LoadFile method
* after constructing the class this way.
*/
- FileReader();
+ FileReader(InspIRCd* Instance);
/** 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(const std::string &filename);
+ FileReader(InspIRCd* Instance, const std::string &filename);
/** Default destructor.
* This deletes the memory allocated to the file.
};
-/** Instantiates classes inherited from Module
+/** 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
class ModuleFactory : public classbase
{
public:
+ /** The default constructor does nothing.
+ */
ModuleFactory() { }
+ /** The default destructor does nothing
+ */
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(Server* Me) = 0;
+ virtual Module * CreateModule(InspIRCd* Me) = 0;
};
-
+/** A DLLFactory (designed to load shared objects) containing a ModuleFactory.
+ */
typedef DLLFactory<ModuleFactory> ircd_module;
+
+/** A list of loaded Modules
+ */
typedef std::vector<Module*> ModuleList;
+
+/** A list of loaded ModuleFactories
+ */
typedef std::vector<ircd_module*> FactoryList;
#endif