* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2004 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
-#ifndef __PLUGIN_H
-#define __PLUGIN_H
-
-// log levels
-
-#define DEBUG 10
-#define VERBOSE 20
-#define DEFAULT 30
-#define SPARSE 40
-#define NONE 50
+class XLine;
-// used with OnExtendedMode() method of modules
-
-#define MT_CHANNEL 1
-#define MT_CLIENT 2
-#define MT_SERVER 3
-
-// used with OnAccessCheck() method of modules
+/** Used with OnAccessCheck() method of modules
+ */
+enum AccessControlType {
+ ACR_DEFAULT, // Do default action (act as if the module isnt even loaded)
+ ACR_DENY, // deny the action
+ ACR_ALLOW, // allow the action
+ AC_KICK, // a user is being kicked
+ AC_DEOP, // a user is being deopped
+ AC_OP, // a user is being opped
+ AC_VOICE, // a user is being voiced
+ AC_DEVOICE, // a user is being devoiced
+ AC_HALFOP, // a user is being halfopped
+ AC_DEHALFOP, // a user is being dehalfopped
+ AC_INVITE, // a user is being invited
+ AC_GENERAL_MODE // a channel mode is being changed
+};
-#define ACR_DEFAULT 0 // Do default action (act as if the module isnt even loaded)
-#define ACR_DENY 1 // deny the action
-#define ACR_ALLOW 2 // allow the action
+/** Used to define a set of behavior bits for a module
+ */
+enum ModuleFlags {
+ VF_STATIC = 1, // module is static, cannot be /unloadmodule'd
+ VF_VENDOR = 2, // module is a vendor module (came in the original tarball, not 3rd party)
+ VF_SERVICEPROVIDER = 4, // module provides a service to other modules (can be a dependency)
+ VF_COMMON = 8 // module needs to be common on all servers in a network to link
+};
-#define AC_KICK 0 // a user is being kicked
-#define AC_DEOP 1 // a user is being deopped
-#define AC_OP 2 // a user is being opped
-#define AC_VOICE 3 // a user is being voiced
-#define AC_DEVOICE 4 // a user is being devoiced
-#define AC_HALFOP 5 // a user is being halfopped
-#define AC_DEHALFOP 6 // a user is being dehalfopped
-#define AC_INVITE 7 // a user is being invited
-#define AC_GENERAL_MODE 8 // a user channel mode is being changed
+/** Used with SendToMode()
+ */
+enum WriteModeFlags {
+ WM_AND = 1,
+ WM_OR = 2
+};
-// used to define a set of behavior bits for a module
+/** Used to represent an event type, for user, channel or server
+ */
+enum TargetTypeFlags {
+ TYPE_USER = 1,
+ TYPE_CHANNEL,
+ TYPE_SERVER,
+ TYPE_OTHER
+};
-#define VF_STATIC 1 // module is static, cannot be /unloadmodule'd
-#define VF_VENDOR 2 // module is a vendor module (came in the original tarball, not 3rd party)
-#define VF_SERVICEPROVIDER 4 // module provides a service to other modules (can be a dependency)
-#define VF_COMMON 8 // module needs to be common on all servers in a mesh to link
+/** Used to represent wether a message was PRIVMSG or NOTICE
+ */
+enum MessageType {
+ MSG_PRIVMSG = 0,
+ MSG_NOTICE = 1
+};
+#include "globals.h"
#include "dynamic.h"
#include "base.h"
#include "ctables.h"
+#include "inspsocket.h"
#include <string>
#include <deque>
#include <sstream>
+#include "timer.h"
+#include "mode.h"
+#include "dns.h"
+
+/** 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 12000
+#ifdef IPV6
+#define API_VERSION (NATIVE_API_VERSION * 10)
+#else
+#define API_VERSION (NATIVE_API_VERSION * 1)
+#endif
+
+class ServerConfig;
-/** Low level definition of a FileReader classes file cache area
+/* Forward-delacare module for ModuleMessage etc
*/
-typedef std::deque<std::string> file_cache;
-typedef file_cache string_list;
+class Module;
+class InspIRCd;
-/** Holds a list of users in a channel
+/** Low level definition of a FileReader classes file cache area -
+ * a text file seperated into lines.
*/
-typedef std::deque<userrec*> chanuserlist;
+typedef std::deque<std::string> file_cache;
+/** A set of strings.
+ */
+typedef file_cache string_list;
-// This #define allows us to call a method in all
-// loaded modules in a readable simple way, e.g.:
-// 'FOREACH_MOD OnConnect(user);'
+/** Holds a list of 'published features' for modules.
+ */
+typedef std::map<std::string,Module*> featurelist;
-#define FOREACH_MOD for (int _i = 0; _i <= MODCOUNT; _i++) modules[_i]->
+/** Holds a list of modules which implement an interface
+ */
+typedef std::deque<Module*> modulelist;
-// This define is similar to the one above but returns a result in MOD_RESULT.
-// The first module to return a nonzero result is the value to be accepted,
-// and any modules after are ignored.
+/** 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_OnConnect,OnConnect(user));'
+ */
+#define FOREACH_MOD(y,x) if (ServerInstance->Config->global_implementation[y] > 0) { \
+ for (int _i = 0; _i <= ServerInstance->Modules->GetCount(); _i++) { \
+ if (ServerInstance->Config->implement_lists[_i][y]) \
+ try \
+ { \
+ ServerInstance->Modules->modules[_i]->x ; \
+ } \
+ catch (CoreException& modexcept) \
+ { \
+ ServerInstance->Log(DEFAULT,"Exception caught: %s",modexcept.GetReason()); \
+ } \
+ } \
+ }
+
+/**
+ * This #define allows us to call a method in all
+ * loaded modules in a readable simple way and pass
+ * an instance pointer to the macro. e.g.:
+ * 'FOREACH_MOD_I(Instance, OnConnect, OnConnect(user));'
+ */
+#define FOREACH_MOD_I(z,y,x) if (z->Config->global_implementation[y] > 0) { \
+ for (int _i = 0; _i <= z->Modules->GetCount(); _i++) { \
+ if (z->Config->implement_lists[_i][y]) \
+ try \
+ { \
+ z->Modules->modules[_i]->x ; \
+ } \
+ catch (CoreException& modexcept) \
+ { \
+ z->Log(DEFAULT,"Exception caught: %s",modexcept.GetReason()); \
+ } \
+ } \
+}
+/**
+ * This define is similar to the one above but returns a result in MOD_RESULT.
+ * The first module to return a nonzero result is the value to be accepted,
+ * and any modules after are ignored.
+ */
+#define FOREACH_RESULT(y,x) { if (ServerInstance->Config->global_implementation[y] > 0) { \
+ MOD_RESULT = 0; \
+ for (int _i = 0; _i <= ServerInstance->Modules->GetCount(); _i++) { \
+ if (ServerInstance->Config->implement_lists[_i][y]) { \
+ try \
+ { \
+ int res = ServerInstance->Modules->modules[_i]->x ; \
+ if (res != 0) { \
+ MOD_RESULT = res; \
+ break; \
+ } \
+ } \
+ catch (CoreException& modexcept) \
+ { \
+ ServerInstance->Log(DEFAULT,"Exception caught: %s",modexcept.GetReason()); \
+ } \
+ } \
+ } \
+ } \
+ }
-#define FOREACH_RESULT(x) { MOD_RESULT = 0; \
- for (int _i = 0; _i <= MODCOUNT; _i++) { \
- int res = modules[_i]->x ; \
- if (res != 0) { \
- MOD_RESULT = res; \
- break; \
+/**
+ * This define is similar to the one above but returns a result in MOD_RESULT.
+ * The first module to return a nonzero result is the value to be accepted,
+ * and any modules after are ignored.
+ */
+#define FOREACH_RESULT_I(z,y,x) { if (z->Config->global_implementation[y] > 0) { \
+ MOD_RESULT = 0; \
+ for (int _i = 0; _i <= z->Modules->GetCount(); _i++) { \
+ if (z->Config->implement_lists[_i][y]) { \
+ try \
+ { \
+ int res = z->Modules->modules[_i]->x ; \
+ if (res != 0) { \
+ MOD_RESULT = res; \
+ break; \
+ } \
+ } \
+ catch (CoreException& modexcept) \
+ { \
+ z->Log(DEBUG,"Exception caught: %s",modexcept.GetReason()); \
+ } \
} \
} \
- }
-
-// *********************************************************************************************
+ } \
+}
+/** Represents a non-local user.
+ * (in fact, any FD less than -1 does)
+ */
#define FD_MAGIC_NUMBER -42
-extern void createcommand(char* cmd, handlerfunc f, char flags, int minparams, char* source);
-extern void server_mode(char **parameters, int pcnt, userrec *user);
-
-// class Version holds the version information of a Module, returned
-// by Module::GetVersion (thanks RD)
-
-/** Holds a module's Version information
+/* Useful macros */
+#ifdef WINDOWS
+/** Is a local user */
+#define IS_LOCAL(x) ((x->GetFd() > -1))
+#else
+/** Is a local user */
+#define IS_LOCAL(x) ((x->GetFd() > -1) && (x->GetFd() <= MAX_DESCRIPTORS))
+#endif
+/** Is a remote user */
+#define IS_REMOTE(x) (x->GetFd() < 0)
+/** Is a module created user */
+#define IS_MODULE_CREATED(x) (x->GetFd() == FD_MAGIC_NUMBER)
+/** Is an oper */
+#define IS_OPER(x) (*x->oper)
+/** Is away */
+#define IS_AWAY(x) (*x->awaymsg)
+
+/** 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.
+ * The flags and API values represent the module flags and API version of the module.
+ * The API version of a module must match the API version of the core exactly for the module to
+ * load successfully.
*/
-class Version : public classbase
+class CoreExport Version : public classbase
{
public:
- const int Major, Minor, Revision, Build, Flags;
- Version(int major, int minor, int revision, int build, int flags);
-};
+ /** Version numbers, build number, flags and API version
+ */
+ const int Major, Minor, Revision, Build, Flags, API;
-/** 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);
+ /** Initialize version class
+ */
+ Version(int major, int minor, int revision, int build, int flags, int api_ver);
};
-
-// Forward-delacare module for ModuleMessage etc
-class Module;
-
-// Thanks to Rob (from anope) for the idea of this message passing API
-// (its been done before, but this seemed a very neat and tidy way...
-
/** 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 CoreExport ModuleMessage : public Extensible
{
public:
- /** This class is pure virtual and must be inherited.
- */
- virtual char* Send() = 0;
+ /** Destructor
+ */
+ virtual ~ModuleMessage() {};
};
/** The Request class is a unicast message directed at a given module.
* using the Send() method, which will call the given module's OnRequest
* method with this class as its parameter.
*/
-class Request : public ModuleMessage
+class CoreExport Request : public ModuleMessage
{
protected:
- /** This member holds a pointer to arbitary data set by the emitter of the message
- */
- char* data;
- /** This is a pointer to the sender of the message, which can be used to
- * directly trigger events, or to create a reply.
- */
- Module* source;
- /** The single destination of the Request
- */
- Module* dest;
+ /** This member holds a pointer to arbitary data set by the emitter of the message
+ */
+ char* data;
+ /** This should be a null-terminated string identifying the type of request,
+ * all modules should define this and use it to determine the nature of the
+ * request before they attempt to cast the Request in any way.
+ */
+ const char* id;
+ /** This is a pointer to the sender of the message, which can be used to
+ * directly trigger events, or to create a reply.
+ */
+ Module* source;
+ /** The single destination of the Request
+ */
+ Module* dest;
public:
- /** Create a new Request
- */
- Request(char* anydata, Module* src, Module* dst);
- /** Fetch the Request data
- */
- char* GetData();
- /** Fetch the request source
- */
- Module* GetSource();
- /** Fetch the request destination (should be 'this' in the receiving module)
- */
- Module* GetDest();
- /** Send the Request.
- * Upon returning the result will be arbitary data returned by the module you
- * sent the request to. It is up to your module to know what this data is and
- * how to deal with it.
- */
- char* Send();
+ /** Create a new Request
+ * This is for the 'old' way of casting whatever the data is
+ * to char* and hoping you get the right thing at the other end.
+ * This is slowly being depreciated in favor of the 'new' way.
+ */
+ Request(char* anydata, Module* src, Module* dst);
+ /** Create a new Request
+ * This is for the 'new' way of defining a subclass
+ * of Request and defining it in a common header,
+ * passing an object of your Request subclass through
+ * as a Request* and using the ID string to determine
+ * what to cast it back to and the other end. This is
+ * much safer as there are no casts not confirmed by
+ * the ID string, and all casts are child->parent and
+ * can be checked at runtime with dynamic_cast<>()
+ */
+ Request(Module* src, Module* dst, const char* idstr);
+ /** Fetch the Request data
+ */
+ char* GetData();
+ /** Fetch the ID string
+ */
+ const char* GetId();
+ /** Fetch the request source
+ */
+ Module* GetSource();
+ /** Fetch the request destination (should be 'this' in the receiving module)
+ */
+ Module* GetDest();
+ /** Send the Request.
+ * Upon returning the result will be arbitary data returned by the module you
+ * sent the request to. It is up to your module to know what this data is and
+ * how to deal with it.
+ */
+ char* Send();
};
* using the Send() method, which will trigger the OnEvent method in
* all modules passing the object as its parameter.
*/
-class Event : public ModuleMessage
+class CoreExport Event : public ModuleMessage
{
protected:
- /** This member holds a pointer to arbitary data set by the emitter of the message
- */
- char* data;
- /** This is a pointer to the sender of the message, which can be used to
- * directly trigger events, or to create a reply.
- */
- Module* source;
- /** The event identifier.
- * This is arbitary text which should be used to distinguish
- * one type of event from another.
- */
- std::string id;
+ /** This member holds a pointer to arbitary data set by the emitter of the message
+ */
+ char* data;
+ /** This is a pointer to the sender of the message, which can be used to
+ * directly trigger events, or to create a reply.
+ */
+ Module* source;
+ /** The event identifier.
+ * This is arbitary text which should be used to distinguish
+ * one type of event from another.
+ */
+ std::string id;
public:
- /** Create a new Event
- */
- Event(char* anydata, Module* src, std::string eventid);
- /** Get the Event data
- */
- char* GetData();
- /** Get the event Source
- */
- Module* GetSource();
- /** Get the event ID.
- * Use this to determine the event type for safe casting of the data
- */
- std::string GetEventID();
- /** Send the Event.
- * The return result of an Event::Send() will always be NULL as
- * no replies are expected.
- */
- char* Send();
+ /** Create a new Event
+ */
+ Event(char* anydata, Module* src, const std::string &eventid);
+ /** Get the Event data
+ */
+ char* GetData();
+ /** Get the event Source
+ */
+ Module* GetSource();
+ /** Get the event ID.
+ * Use this to determine the event type for safe casting of the data
+ */
+ std::string GetEventID();
+ /** Send the Event.
+ * The return result of an Event::Send() will always be NULL as
+ * no replies are expected.
+ */
+ char* Send(InspIRCd* ServerInstance);
};
+/** Priority types which can be returned from Module::Prioritize()
+ */
+enum Priority { PRIORITY_FIRST, PRIORITY_DONTCARE, PRIORITY_LAST, PRIORITY_BEFORE, PRIORITY_AFTER };
+
+/** Implementation-specific flags which may be set in Module::Implements()
+ */
+enum Implementation { I_OnUserConnect, I_OnUserQuit, I_OnUserDisconnect, I_OnUserJoin, I_OnUserPart, I_OnRehash, I_OnServerRaw,
+ I_OnUserPreJoin, I_OnUserPreKick, I_OnUserKick, I_OnOper, I_OnInfo, I_OnWhois, I_OnUserPreInvite,
+ I_OnUserInvite, I_OnUserPreMessage, I_OnUserPreNotice, I_OnUserPreNick, I_OnUserMessage, I_OnUserNotice, I_OnMode,
+ I_OnGetServerDescription, I_OnSyncUser, I_OnSyncChannel, I_OnSyncChannelMetaData, I_OnSyncUserMetaData,
+ I_OnDecodeMetaData, I_ProtoSendMode, I_ProtoSendMetaData, I_OnWallops, I_OnChangeHost, I_OnChangeName, I_OnAddLine,
+ I_OnDelLine, 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_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_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_OnUserList,
+ I_OnPostCommand, I_OnPostJoin, I_OnWhoisLine, I_OnBuildExemptList, I_OnRawSocketConnect, I_OnGarbageCollect, I_OnBufferFlushed,
+ I_OnText };
/** 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.
+ * instantiated by the ModuleFactory class (see relevent section) for the module to be initialised.
*/
-class Module : public classbase
+class CoreExport Module : public Extensible
{
+ protected:
+ /** Creator/owner pointer
+ */
+ InspIRCd* ServerInstance;
public:
- /** Default constructor
- * creates a module class
+ /** Default constructor.
+ * Creates a module class.
+ * @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();
+ Module(InspIRCd* Me);
- /** Default destructor
+ /** Default destructor.
* destroys a module class
*/
virtual ~Module();
*/
virtual Version GetVersion();
+ /** The Implements function specifies which methods a module should receive events for.
+ * The char* parameter passed to this function contains a set of true or false values
+ * (1 or 0) which indicate wether each function is implemented. You must use the Iimplementation
+ * enum (documented elsewhere on this page) to mark functions as active. For example, to
+ * receive events for OnUserJoin():
+ *
+ * Implements[I_OnUserJoin] = 1;
+ *
+ * @param The implement list
+ */
+ virtual void Implements(char* Implements);
+
+ /** Used to set the 'priority' of a module (e.g. when it is called in relation to other modules.
+ * Some modules prefer to be called before other modules, due to their design. For example, a
+ * module which is expected to operate on complete information would expect to be placed last, so
+ * that any other modules which wish to adjust that information would execute before it, to be sure
+ * its information is correct. You can change your module's priority by returning one of:
+ *
+ * PRIORITY_FIRST - To place your module first in the list
+ *
+ * PRIORITY_LAST - To place your module last in the list
+ *
+ * PRIORITY_DONTCARE - To leave your module as it is (this is the default value, if you do not implement this function)
+ *
+ * The result of InspIRCd::PriorityBefore() - To move your module before 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
+ * your module has a real need to reorder its priority, it should not implement this function,
+ * as many modules changing their priorities can make the system redundant.
+ */
+ virtual Priority Prioritize();
+
/** Called when a user connects.
- * The details of the connecting user are available to you in the parameter userrec *user
+ * The details of the connecting user are available to you in the parameter User *user
+ * @param user The user who is connecting
*/
- virtual void OnUserConnect(userrec* user);
+ virtual void OnUserConnect(User* user);
/** Called when a user quits.
- * The details of the exiting user are available to you in the parameter userrec *user
+ * The details of the exiting user are available to you in the parameter User *user
* This event is only called when the user is fully registered when they quit. To catch
* raw disconnections, use the OnUserDisconnect method.
+ * @param user The user who is quitting
+ * @param message The user's quit message (as seen by non-opers)
+ * @param oper_message The user's quit message (as seen by opers)
*/
- virtual void OnUserQuit(userrec* user);
+ virtual void OnUserQuit(User* user, const std::string &message, const std::string &oper_message);
/** Called whenever a user's socket is closed.
- * The details of the exiting user are available to you in the parameter userrec *user
+ * The details of the exiting user are available to you in the parameter User *user
* This event is called for all users, registered or not, as a cleanup method for modules
* which might assign resources to user, such as dns lookups, objects and sockets.
+ * @param user The user who is disconnecting
*/
- virtual void OnUserDisconnect(userrec* user);
+ virtual void OnUserDisconnect(User* 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
+ /** Called whenever a channel is deleted, either by QUIT, KICK or PART.
+ * @param chan The channel being deleted
*/
- virtual void OnUserJoin(userrec* user, chanrec* channel);
+ virtual void OnChannelDelete(Channel* chan);
- /** 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
+ /** Called when a user joins a channel.
+ * The details of the joining user are available to you in the parameter User *user,
+ * and the details of the channel they have joined is available in the variable Channel *channel
+ * @param user The user who is joining
+ * @param channel The channel being joined
+ * @param silent Change this to true if you want to conceal the JOIN command from the other users
+ * of the channel (useful for modules such as auditorium)
*/
- virtual void OnUserPart(userrec* user, chanrec* channel);
+ virtual void OnUserJoin(User* user, Channel* channel, bool &silent);
- /** Called before a packet is transmitted across the irc network between two irc servers.
- * 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.
+ /** 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 OnPacketTransmit(std::string &data, std::string serv);
+ virtual void OnPostJoin(User* user, Channel* channel);
- /** Called after a packet is received from another irc server.
- * 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.
+ /** Called when a user parts a channel.
+ * The details of the leaving user are available to you in the parameter User *user,
+ * and the details of the channel they have left is available in the variable Channel *channel
+ * @param user The user who is parting
+ * @param channel The channel being parted
+ * @param partmessage The part message, or an empty string
+ * @param silent Change this to true if you want to conceal the PART command from the other users
+ * of the channel (useful for modules such as auditorium)
*/
- virtual void OnPacketReceive(std::string &data, std::string serv);
+ virtual void OnUserPart(User* user, Channel* channel, const std::string &partmessage, bool &silent);
/** 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.
+ * 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();
+ virtual void OnRehash(User* 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
* 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. For INBOUND messages only (where
- * inbound is set to true) the value of user will be the userrec of the connection sending the
+ * inbound is set to true) the value of user will be the User of the connection sending the
* data. This is not possible for outbound data because the data may be being routed to multiple targets.
+ * @param raw The raw string in RFC1459 format
+ * @param inbound A flag to indicate wether the data is coming into the daemon or going out to the user
+ * @param user The user record sending the text, when inbound == true.
*/
- virtual void OnServerRaw(std::string &raw, bool inbound, userrec* user);
+ virtual void OnServerRaw(std::string &raw, bool inbound, User* user);
- /** Called whenever an extended mode is to be processed.
- * The type parameter is MT_SERVER, MT_CLIENT or MT_CHANNEL, dependent on where the mode is being
- * changed. mode_on is set when the mode is being set, in which case params contains a list of
- * parameters for the mode as strings. If mode_on is false, the mode is being removed, and parameters
- * may contain the parameters for the mode, dependent on wether they were defined when a mode handler
- * was set up with Server::AddExtendedMode
- * If the mode is a channel mode, target is a chanrec*, and if it is a user mode, target is a userrec*.
- * You must cast this value yourself to make use of it.
- */
- virtual int OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list ¶ms);
-
/** Called whenever a user is about to join a channel, before any processing is done.
* Returning a value of 1 from this function stops the process immediately, causing no
* output to be sent to the user by the core. If you do this you must produce your own numerics,
* IMPORTANT NOTE!
*
* If the user joins a NEW channel which does not exist yet, OnUserPreJoin will be called BEFORE the channel
- * record is created. This will cause chanrec* chan to be NULL. There is very little you can do in form of
+ * record is created. This will cause Channel* chan to be NULL. There is very little you can do in form of
* 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.
- */
- virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname);
+ * @param user The user joining the channel
+ * @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(User* user, Channel* 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
- * output to be sent to the user by the core. If you do this you must produce your own numerics,
- * notices etc.
- */
- virtual int OnUserPreKick(userrec* source, userrec* user, chanrec* chan, std::string reason);
+ /** Called whenever a user is about to be kicked.
+ * Returning a value of 1 from this function stops the process immediately, causing no
+ * output to be sent to the user by the core. If you do this you must produce your own numerics,
+ * notices etc.
+ * @param source The user issuing the kick
+ * @param user The user being kicked
+ * @param chan The channel the user is being kicked from
+ * @param reason The kick reason
+ * @return 1 to prevent the kick, 0 to continue normally, -1 to explicitly allow the kick regardless of normal operation
+ */
+ virtual int OnUserPreKick(User* source, User* user, Channel* chan, const std::string &reason);
/** Called whenever a user is kicked.
* If this method is called, the kick is already underway and cannot be prevented, so
* to prevent a kick, please use Module::OnUserPreKick instead of this method.
+ * @param source The user issuing the kick
+ * @param user The user being kicked
+ * @param chan The channel the user is being kicked from
+ * @param reason The kick reason
+ * @param silent Change this to true if you want to conceal the PART command from the other users
+ * of the channel (useful for modules such as auditorium)
*/
- virtual void OnUserKick(userrec* source, userrec* user, chanrec* chan, std::string reason);
+ virtual void OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent);
/** Called whenever a user opers locally.
- * The userrec will contain the oper mode 'o' as this function is called after any modifications
+ * The User will contain the oper mode 'o' as this function is called after any modifications
* are made to the user's structure by the core.
+ * @param user The user who is opering up
+ * @param opertype The opers type name
*/
- virtual void OnOper(userrec* user);
+ virtual void OnOper(User* user, const std::string &opertype);
+
+ /** Called after a user opers locally.
+ * This is identical to Module::OnOper(), except it is called after OnOper so that other modules
+ * can be gauranteed to already have processed the oper-up, for example m_spanningtree has sent
+ * out the OPERTYPE, etc.
+ * @param user The user who is opering up
+ * @param opertype The opers type name
+ */
+ virtual void OnPostOper(User* user, const std::string &opertype);
/** Called whenever a user types /INFO.
- * The userrec will contain the information of the user who typed the command. Modules may use this
+ * The User will contain the information of the user who typed the command. Modules may use this
* method to output their own credits in /INFO (which is the ircd's version of an about box).
* It is purposefully not possible to modify any info that has already been output, or halt the list.
* You must write a 371 numeric to the user, containing your info in the following format:
*
* <nick> :information here
+ *
+ * @param user The user issuing /INFO
*/
- virtual void OnInfo(userrec* user);
+ virtual void OnInfo(User* user);
/** Called whenever a /WHOIS is performed on a local user.
* The source parameter contains the details of the user who issued the WHOIS command, and
* the dest parameter contains the information of the user they are whoising.
+ * @param source The user issuing the WHOIS command
+ * @param dest The user who is being WHOISed
*/
- virtual void OnWhois(userrec* source, userrec* dest);
+ virtual void OnWhois(User* source, User* dest);
/** Called whenever a user is about to invite another user into a channel, before any processing is done.
* Returning 1 from this function stops the process immediately, causing no
* output to be sent to the user by the core. If you do this you must produce your own numerics,
* notices etc. This is useful for modules which may want to filter invites to channels.
+ * @param source The user who is issuing the INVITE
+ * @param dest The user being invited
+ * @param channel The channel the user is being invited to
+ * @return 1 to deny the invite, 0 to allow
*/
- virtual int OnUserPreInvite(userrec* source,userrec* dest,chanrec* channel);
+ virtual int OnUserPreInvite(User* source,User* dest,Channel* channel);
+
+ /** Called after a user has been successfully invited to a channel.
+ * You cannot prevent the invite from occuring using this function, to do that,
+ * use OnUserPreInvite instead.
+ * @param source The user who is issuing the INVITE
+ * @param dest The user being invited
+ * @param channel The channel the user is being invited to
+ */
+ virtual void OnUserInvite(User* source,User* dest,Channel* channel);
/** Called whenever a user is about to PRIVMSG A user or a channel, before any processing is done.
* Returning any nonzero value from this function stops the process immediately, causing no
* output to be sent to the user by the core. If you do this you must produce your own numerics,
* notices etc. This is useful for modules which may want to filter or redirect messages.
* target_type can be one of TYPE_USER or TYPE_CHANNEL. If the target_type value is a user,
- * you must cast dest to a userrec* otherwise you must cast it to a chanrec*, this is the details
+ * you must cast dest to a User* otherwise you must cast it to a Channel*, this is the details
* of where the message is destined to be sent.
+ * @param user The user sending the message
+ * @param dest The target of the message (Channel* or User*)
+ * @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);
+ virtual int OnUserPreMessage(User* 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
* output to be sent to the user by the core. If you do this you must produce your own numerics,
* notices etc. This is useful for modules which may want to filter or redirect messages.
* target_type can be one of TYPE_USER or TYPE_CHANNEL. If the target_type value is a user,
- * you must cast dest to a userrec* otherwise you must cast it to a chanrec*, this is the details
+ * you must cast dest to a User* otherwise you must cast it to a Channel*, this is the details
* of where the message is destined to be sent.
* You may alter the message text as you wish before relinquishing control to the next module
* in the chain, and if no other modules block the text this altered form of the text will be sent out
* to the user and possibly to other servers.
- */
- virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text);
+ * @param user The user sending the message
+ * @param dest The target of the message (Channel* or User*)
+ * @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(User* 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
+ * @param text The original message text causing the exempt list to be built
+ */
+ virtual void OnBuildExemptList(MessageType message_type, Channel* chan, User* sender, char status, CUList &exempt_list, const std::string &text);
/** 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
- * NOT make any changes to the userrec if the user is a remote user as this may cause a desnyc.
+ * NOT make any changes to the User if the user is a remote user as this may cause a desnyc.
* check user->server before taking any action (including returning nonzero from the method).
* If your method returns nonzero, the nickchange is silently forbidden, and it is down to your
* module to generate some meaninful output.
- */
- virtual int OnUserPreNick(userrec* user, std::string newnick);
+ * @param user The username changing their nick
+ * @param newnick Their new nickname
+ * @return 1 to deny the change, 0 to allow
+ */
+ virtual int OnUserPreNick(User* user, const std::string &newnick);
+
+ /** Called after any PRIVMSG sent from a user.
+ * The dest variable contains a User* if target_type is TYPE_USER and a Channel*
+ * if target_type is TYPE_CHANNEL.
+ * @param user The user sending the message
+ * @param dest The target of the message
+ * @param target_type The type of target (TYPE_USER or TYPE_CHANNEL)
+ * @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(User* 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 User* if target_type is TYPE_USER and a Channel*
+ * if target_type is TYPE_CHANNEL.
+ * @param user The user sending the message
+ * @param dest The target of the message
+ * @param target_type The type of target (TYPE_USER or TYPE_CHANNEL)
+ * @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(User* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list);
+
+ /** Called immediately before any NOTICE or PRIVMSG sent from a user, local or remote.
+ * The dest variable contains a User* if target_type is TYPE_USER and a Channel*
+ * if target_type is TYPE_CHANNEL.
+ * The difference between this event and OnUserPreNotice/OnUserPreMessage is that delivery is gauranteed,
+ * the message has already been vetted. In the case of the other two methods, a later module may stop your
+ * message. This also differs from OnUserMessage which occurs AFTER the message has been sent.
+ * @param user The user sending the message
+ * @param dest The target of the message
+ * @param target_type The type of target (TYPE_USER or TYPE_CHANNEL)
+ * @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 OnText(User* user, void* dest, int target_type, const std::string &text, char status, CUList &exempt_list);
+
+ /** Called after every MODE command sent from a user
+ * The dest variable contains a User* if target_type is TYPE_USER and a Channel*
+ * if target_type is TYPE_CHANNEL. The text variable contains the remainder of the
+ * mode string after the target, e.g. "+wsi" or "+ooo nick1 nick2 nick3".
+ * @param user The user sending the MODEs
+ * @param dest The target of the modes (User* or Channel*)
+ * @param target_type The type of target (TYPE_USER or TYPE_CHANNEL)
+ * @param text The actual modes and their parameters if any
+ */
+ virtual void OnMode(User* user, void* dest, int target_type, const std::string &text);
+
+ /** Allows modules to alter or create server descriptions
+ * Whenever a module requires a server description, for example for display in
+ * WHOIS, this function is called in all modules. You may change or define the
+ * description given in std::string &description. If you do, this description
+ * will be shown in the WHOIS fields.
+ * @param servername The servername being searched for
+ * @param description Alterable server description for this server
+ */
+ virtual void OnGetServerDescription(const std::string &servername,std::string &description);
+
+ /** Allows modules to synchronize data which relates to users during a netburst.
+ * When this function is called, it will be called from the module which implements
+ * the linking protocol. This currently is m_spanningtree.so. A pointer to this module
+ * is given in Module* proto, so that you may call its methods such as ProtoSendMode
+ * (see below). This function will be called for every user visible on your side
+ * of the burst, allowing you to for example set modes, etc. Do not use this call to
+ * synchronize data which you have stored using class Extensible -- There is a specialist
+ * function OnSyncUserMetaData and OnSyncChannelMetaData for this!
+ * @param user The user being syncronized
+ * @param proto A pointer to the module handling network protocol
+ * @param opaque An opaque pointer set by the protocol module, should not be modified!
+ */
+ virtual void OnSyncUser(User* user, Module* proto, void* opaque);
+
+ /** Allows modules to synchronize data which relates to channels during a netburst.
+ * When this function is called, it will be called from the module which implements
+ * the linking protocol. This currently is m_spanningtree.so. A pointer to this module
+ * is given in Module* proto, so that you may call its methods such as ProtoSendMode
+ * (see below). This function will be called for every user visible on your side
+ * of the burst, allowing you to for example set modes, etc. Do not use this call to
+ * synchronize data which you have stored using class Extensible -- There is a specialist
+ * function OnSyncUserMetaData and OnSyncChannelMetaData for this!
+ *
+ * For a good example of how to use this function, please see src/modules/m_chanprotect.cpp
+ *
+ * @param chan The channel being syncronized
+ * @param proto A pointer to the module handling network protocol
+ * @param opaque An opaque pointer set by the protocol module, should not be modified!
+ */
+ virtual void OnSyncChannel(Channel* chan, Module* proto, void* opaque);
+
+ /* Allows modules to syncronize metadata related to channels over the network during a netburst.
+ * Whenever the linking module wants to send out data, but doesnt know what the data
+ * represents (e.g. it is Extensible metadata, added to a User or Channel by a module) then
+ * this method is called.You should use the ProtoSendMetaData function after you've
+ * correctly decided how the data should be represented, to send the metadata on its way if it belongs
+ * to your module. For a good example of how to use this method, see src/modules/m_swhois.cpp.
+ * @param chan The channel whos metadata is being syncronized
+ * @param proto A pointer to the module handling network protocol
+ * @param opaque An opaque pointer set by the protocol module, should not be modified!
+ * @param extname The extensions name which is being searched for
+ * @param displayable If this value is true, the data is going to be displayed to a user,
+ * and not sent across the network. Use this to determine wether or not to show sensitive data.
+ */
+ virtual void OnSyncChannelMetaData(Channel* chan, Module* proto,void* opaque, const std::string &extname, bool displayable = false);
+
+ /* Allows modules to syncronize metadata related to users over the network during a netburst.
+ * Whenever the linking module wants to send out data, but doesnt know what the data
+ * represents (e.g. it is Extensible metadata, added to a User or Channel by a module) then
+ * this method is called. You should use the ProtoSendMetaData function after you've
+ * correctly decided how the data should be represented, to send the metadata on its way if
+ * if it belongs to your module.
+ * @param user The user whos metadata is being syncronized
+ * @param proto A pointer to the module handling network protocol
+ * @param opaque An opaque pointer set by the protocol module, should not be modified!
+ * @param extname The extensions name which is being searched for
+ * @param displayable If this value is true, the data is going to be displayed to a user,
+ * and not sent across the network. Use this to determine wether or not to show sensitive data.
+ */
+ virtual void OnSyncUserMetaData(User* user, Module* proto,void* opaque, const std::string &extname, bool displayable = false);
+
+ /* Allows modules to syncronize metadata not related to users or channels, over the network during a netburst.
+ * Whenever the linking module wants to send out data, but doesnt know what the data
+ * represents (e.g. it is Extensible metadata, added to a User or Channel by a module) then
+ * this method is called. You should use the ProtoSendMetaData function after you've
+ * correctly decided how the data should be represented, to send the metadata on its way if
+ * if it belongs to your module.
+ * @param proto A pointer to the module handling network protocol
+ * @param opaque An opaque pointer set by the protocol module, should not be modified!
+ * @param displayable If this value is true, the data is going to be displayed to a user,
+ * and not sent across the network. Use this to determine wether or not to show sensitive data.
+ */
+ virtual void OnSyncOtherMetaData(Module* proto, void* opaque, bool displayable = false);
+
+ /** Allows module data, sent via ProtoSendMetaData, to be decoded again by a receiving module.
+ * Please see src/modules/m_swhois.cpp for a working example of how to use this method call.
+ * @param target_type The type of item to decode data for, TYPE_USER or TYPE_CHANNEL
+ * @param target The Channel* or User* that data should be added to
+ * @param extname The extension name which is being sent
+ * @param extdata The extension data, encoded at the other end by an identical module through OnSyncChannelMetaData or OnSyncUserMetaData
+ */
+ virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata);
+
+ /** Implemented by modules which provide the ability to link servers.
+ * These modules will implement this method, which allows transparent sending of servermodes
+ * down the network link as a broadcast, without a module calling it having to know the format
+ * of the MODE command before the actual mode string.
+ *
+ * More documentation to follow soon. Please see src/modules/m_chanprotect.cpp for examples
+ * of how to use this function.
+ *
+ * @param opaque An opaque pointer set by the protocol module, should not be modified!
+ * @param target_type The type of item to decode data for, TYPE_USER or TYPE_CHANNEL
+ * @param target The Channel* or User* that modes should be sent for
+ * @param modeline The modes and parameters to be sent
+ */
+ virtual void ProtoSendMode(void* opaque, int target_type, void* target, const std::string &modeline);
+
+ /** Implemented by modules which provide the ability to link servers.
+ * These modules will implement this method, which allows metadata (extra data added to
+ * user and channel records using class Extensible, Extensible::Extend, etc) to be sent
+ * to other servers on a netburst and decoded at the other end by the same module on a
+ * different server.
+ *
+ * More documentation to follow soon. Please see src/modules/m_swhois.cpp for example of
+ * how to use this function.
+ * @param opaque An opaque pointer set by the protocol module, should not be modified!
+ * @param target_type The type of item to decode data for, TYPE_USER or TYPE_CHANNEL
+ * @param target The Channel* or User* that metadata should be sent for
+ * @param extname The extension name to send metadata for
+ * @param extdata Encoded data for this extension name, which will be encoded at the oppsite end by an identical module using OnDecodeMetaData
+ */
+ virtual void ProtoSendMetaData(void* opaque, int target_type, void* target, const std::string &extname, const std::string &extdata);
+ /** Called after every WALLOPS command.
+ * @param user The user sending the WALLOPS
+ * @param text The content of the WALLOPS message
+ */
+ virtual void OnWallops(User* user, const std::string &text);
+
+ /** Called whenever a user's hostname is changed.
+ * This event triggers after the host has been set.
+ * @param user The user whos host is being changed
+ * @param newhost The new hostname being set
+ */
+ virtual void OnChangeHost(User* user, const std::string &newhost);
+
+ /** Called whenever a user's GECOS (realname) is changed.
+ * This event triggers after the name has been set.
+ * @param user The user who's GECOS is being changed
+ * @param gecos The new GECOS being set on the user
+ */
+ virtual void OnChangeName(User* user, const std::string &gecos);
+
+ /** Called whenever an xline is added by a local user.
+ * This method is triggered after the line is added.
+ * @param source The sender of the line or NULL for local server
+ * @param line The xline being added
+ */
+ virtual void OnAddLine(User* source, XLine* line);
+
+ /** Called whenever an xline is deleted.
+ * This method is triggered after the line is deleted.
+ * @param source The user removing the line or NULL for local server
+ * @param line the line being deleted
+ */
+ virtual void OnDelLine(User* source, XLine* line);
+
+ /** Called whenever a zline is deleted.
+ * This method is triggered after the line is deleted.
+ * @param source The user removing the line
+ * @param hostmask The hostmask to delete
+ */
+
+ /** Called before your module is unloaded to clean up Extensibles.
+ * This method is called once for every user and channel on the network,
+ * so that when your module unloads it may clear up any remaining data
+ * in the form of Extensibles added using Extensible::Extend().
+ * If the target_type variable is TYPE_USER, then void* item refers to
+ * a User*, otherwise it refers to a Channel*.
+ * @param target_type The type of item being cleaned
+ * @param item A pointer to the item's class
+ */
+ virtual void OnCleanup(int target_type, void* item);
+
/** Called after any nickchange, local or remote. This can be used to track users after nickchanges
* have been applied. Please note that although you can see remote nickchanges through this function, you should
- * NOT make any changes to the userrec if the user is a remote user as this may cause a desnyc.
- * check user->server before taking any action (including returning nonzero from the method).
+ * NOT make any changes to the User if the user is a remote user as this may cause a desnyc.
+ * check user->server before taking any action (including returning nonzero from the method).
* Because this method is called after the nickchange is taken place, no return values are possible
* to indicate forbidding of the nick change. Use OnUserPreNick for this.
- */
- virtual void OnUserPostNick(userrec* user, std::string oldnick);
+ * @param user The user changing their nick
+ * @param oldnick The old nickname of the user before the nickchange
+ */
+ virtual void OnUserPostNick(User* user, const std::string &oldnick);
/** Called before an action which requires a channel privilage check.
* This function is called before many functions which check a users status on a channel, for example
* AC_DEVOICE (4) - a user is being devoiced<br>
* AC_HALFOP (5) - a user is being halfopped<br>
* AC_DEHALFOP (6) - a user is being dehalfopped<br>
- * AC_INVITE (7) - a user is being invited<br>
+ * AC_INVITE () - a user is being invited<br>
* AC_GENERAL_MODE (8) - a user channel mode is being changed<br><br>
* Upon returning from your function you must return either ACR_DEFAULT, to indicate the module wishes
* to do nothing, or ACR_DENY where approprate to deny the action, and ACR_ALLOW where appropriate to allow
* denied 'upstream' causing other checks such as AC_DEOP to not be reached. Be very careful with use of the
* AC_GENERAL_MODE type, as it may inadvertently override the behaviour of other modules. When the access_type
* is AC_GENERAL_MODE, the destination of the mode will be NULL (as it has not yet been determined).
+ * @param source The source of the access check
+ * @param dest The destination of the access check
+ * @param channel The channel which is being checked
+ * @param access_type See above
*/
- virtual int OnAccessCheck(userrec* source,userrec* dest,chanrec* channel,int access_type);
-
- /** Called during a netburst to sync user data.
- * This is called during the netburst on a per-user basis. You should use this call to up any special
- * user-related things which are implemented by your module, e.g. sending listmodes. You may return
- * multiple commands in the string_list.
- */
- virtual string_list OnUserSync(userrec* user);
-
- /** Called during a netburst to sync channel data.
- * This is called during the netburst on a per-channel basis. You should use this call to up any special
- * channel-related things which are implemented by your module, e.g. sending listmodes. You may return
- * multiple commands in the string_list.
- */
- virtual string_list OnChannelSync(chanrec* chan);
+ virtual int OnAccessCheck(User* source,User* dest,Channel* channel,int access_type);
/** Called when a 005 numeric is about to be output.
* The module should modify the 005 numeric if needed to indicate its features.
+ * @param output The 005 string to be modified if neccessary.
*/
virtual void On005Numeric(std::string &output);
* Return 1 from this function to prevent the kill, and 0 from this function to allow
* it as normal. If you prevent the kill no output will be sent to the client, it is
* down to your module to generate this information.
- * NOTE: It is NOT advisable to stop kills which originate from servers. If you do
- * so youre risking race conditions, desyncs and worse!
+ * NOTE: It is NOT advisable to stop kills which originate from servers or remote users.
+ * If you do so youre risking race conditions, desyncs and worse!
+ * @param source The user sending the KILL
+ * @param dest The user being killed
+ * @param reason The kill reason
+ * @return 1 to prevent the kill, 0 to allow
+ */
+ virtual int OnKill(User* source, User* dest, const std::string &reason);
+
+ /** Called when an oper wants to disconnect a remote user via KILL
+ * @param source The user sending the KILL
+ * @param dest The user being killed
+ * @param reason The kill reason
*/
- virtual int OnKill(userrec* source, userrec* dest, std::string reason);
+ virtual void OnRemoteKill(User* source, User* dest, const std::string &reason, const std::string &operreason);
/** Called whenever a module is loaded.
* mod will contain a pointer to the module, and string will contain its name,
* but instead operate under reduced functionality, unless the dependency is
* absolutely neccessary (e.g. a module that extends the features of another
* module).
+ * @param mod A pointer to the new module
+ * @param name The new module's filename
+ */
+ virtual void OnLoadModule(Module* mod,const std::string &name);
+
+ /** Called whenever a module is unloaded.
+ * mod will contain a pointer to the module, and string will contain its name,
+ * for example m_widgets.so. This function is primary for dependency checking,
+ * your module may decide to enable some extra features if it sees that you have
+ * for example loaded "m_killwidgets.so" with "m_makewidgets.so". It is highly
+ * recommended that modules do *NOT* bail if they cannot satisfy dependencies,
+ * but instead operate under reduced functionality, unless the dependency is
+ * absolutely neccessary (e.g. a module that extends the features of another
+ * module).
+ * @param mod Pointer to the module being unloaded (still valid)
+ * @param name The filename of the module being unloaded
*/
- virtual void OnLoadModule(Module* mod,std::string name);
+ virtual void OnUnloadModule(Module* mod,const std::string &name);
/** Called once every five seconds for background processing.
* This timer can be used to control timed features. Its period is not accurate
* enough to be used as a clock, but it is gauranteed to be called at least once in
* any five second period, directly from the main loop of the server.
+ * @param curtime The current timer derived from time(2)
*/
virtual void OnBackgroundTimer(time_t curtime);
- /** Called whenever a list is needed for a listmode.
- * For example, when a /MODE #channel +b (without any other parameters) is called,
- * if a module was handling +b this function would be called. The function can then
- * output any lists it wishes to. Please note that all modules will see all mode
- * characters to provide the ability to extend each other, so please only output
- * a list if the mode character given matches the one(s) you want to handle.
- */
- virtual void OnSendList(userrec* user, chanrec* channel, char mode);
-
/** 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, User *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 int OnPreCommand(std::string command, char **parameters, int pcnt, userrec *user);
+ virtual void OnPostCommand(const std::string &command, const char** parameters, int pcnt, User *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 the registration timeout for a user overrides these checks, if the registration
* timeout is reached, the user is disconnected even if modules report that the user is
* not ready to connect.
+ * @param user The user to check
+ * @return true to indicate readiness, false if otherwise
*/
- virtual bool OnCheckReady(userrec* user);
+ virtual bool OnCheckReady(User* user);
/** Called whenever a user is about to register their connection (e.g. before the user
* is sent the MOTD etc). Modules can use this method if they are performing a function
* dnsbl lookups, etc).
* 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!
- */
- virtual int OnRawMode(userrec* user, chanrec* chan, char mode, std::string param, bool adding, int pcnt);
+ virtual int OnUserRegister(User* 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
* determines the outcome of an if statement around the whole section of invite checking code.
* return 1 to explicitly allow the join to go ahead or 0 to ignore the event.
+ * @param user The user joining the channel
+ * @param chan The channel being joined
+ * @return 1 to explicitly allow the join, 0 to proceed as normal
*/
- virtual int OnCheckInvite(userrec* user, chanrec* chan);
+ virtual int OnCheckInvite(User* user, Channel* chan);
- /** Called whenever a user joins a channel, to determine if key checks should go ahead or not.
- * This method will always be called for each join, wether or not the channel is actually +k, and
- * determines the outcome of an if statement around the whole section of key checking code.
+ /** Called whenever a user joins a channel, to determine if key checks should go ahead or not.
+ * This method will always be called for each join, wether or not the channel is actually +k, and
+ * determines the outcome of an if statement around the whole section of key checking code.
* if the user specified no key, the keygiven string will be a valid but empty value.
- * return 1 to explicitly allow the join to go ahead or 0 to ignore the event.
- */
- virtual int OnCheckKey(userrec* user, chanrec* chan, std::string keygiven);
-
- /** Called whenever a user joins a channel, to determine if channel limit checks should go ahead or not.
- * This method will always be called for each join, wether or not the channel is actually +l, and
- * determines the outcome of an if statement around the whole section of channel limit checking code.
- * return 1 to explicitly allow the join to go ahead or 0 to ignore the event.
- */
- virtual int OnCheckLimit(userrec* user, chanrec* chan);
-
- /** Called whenever a user joins a channel, to determine if banlist checks should go ahead or not.
- * This method will always be called for each join, wether or not the user actually matches a channel ban, and
- * determines the outcome of an if statement around the whole section of ban checking code.
- * return 1 to explicitly allow the join to go ahead or 0 to ignore the event.
- */
- virtual int OnCheckBan(userrec* user, chanrec* chan);
+ * return 1 to explicitly allow the join to go ahead or 0 to ignore the event.
+ * @param user The user joining the channel
+ * @param chan The channel being joined
+ * @return 1 to explicitly allow the join, 0 to proceed as normal
+ */
+ virtual int OnCheckKey(User* user, Channel* chan, const std::string &keygiven);
+
+ /** Called whenever a user joins a channel, to determine if channel limit checks should go ahead or not.
+ * This method will always be called for each join, wether or not the channel is actually +l, and
+ * determines the outcome of an if statement around the whole section of channel limit checking code.
+ * return 1 to explicitly allow the join to go ahead or 0 to ignore the event.
+ * @param user The user joining the channel
+ * @param chan The channel being joined
+ * @return 1 to explicitly allow the join, 0 to proceed as normal
+ */
+ virtual int OnCheckLimit(User* user, Channel* chan);
+
+ /** Called whenever a user joins a channel, to determine if banlist checks should go ahead or not.
+ * This method will always be called for each join, wether or not the user actually matches a channel ban, and
+ * determines the outcome of an if statement around the whole section of ban checking code.
+ * return 1 to explicitly allow the join to go ahead or 0 to ignore the event.
+ * @param user The user joining the channel
+ * @param chan The channel being joined
+ * @return 1 to explicitly allow the join, 0 to proceed as normal
+ */
+ virtual int OnCheckBan(User* user, Channel* chan);
/** Called on all /STATS commands
* 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. 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 void OnStats(char symbol);
+ virtual int OnStats(char symbol, User* user, string_list &results);
/** Called whenever a change of a local users displayed host is attempted.
* Return 1 to deny the host change, or 0 to allow it.
+ * @param user The user whos host will be changed
+ * @param newhost The new hostname
+ * @return 1 to deny the host change, 0 to allow
*/
- virtual int OnChangeLocalUserHost(userrec* user, std::string newhost);
+ virtual int OnChangeLocalUserHost(User* user, const std::string &newhost);
/** Called whenever a change of a local users GECOS (fullname field) is attempted.
* return 1 to deny the name change, or 0 to allow it.
+ * @param user The user whos GECOS will be changed
+ * @param newhost The new GECOS
+ * @return 1 to deny the GECOS change, 0 to allow
*/
- virtual int OnChangeLocalUserGECOS(userrec* user, std::string newhost);
+ virtual int OnChangeLocalUserGECOS(User* user, const std::string &newhost);
/** Called whenever a topic is changed by a local user.
* Return 1 to deny the topic change, or 0 to allow it.
+ * @param user The user changing the topic
+ * @param chan The channels who's topic is being changed
+ * @param topic The actual topic text
+ * @param 1 to block the topic change, 0 to allow
*/
- virtual int OnLocalTopicChange(userrec* user, chanrec* chan, std::string topic);
+ virtual int OnLocalTopicChange(User* user, Channel* chan, const std::string &topic);
- /** Called whenever an unknown token is received in a server to server link.
- * The token value is the unknown token -- please check that no other modules are using the token
- * that you use. Returning 1 supresses the 'unknown token type' error which is usually sent to
- * all opers with +s. The params list is a list of parameters, and if any parameters start with a
- * colon (:) it is treated as the whole of the last parameter, identical to how RFC messages are
- * handled. source is the sender of the message, and reply is what should be replied to for a unicast
- * message. Note that there are not many messages in the mesh protocol which require unicast
- * messaging. tcp_host is the server name as a string, ipaddr is its ip address in dotted decimal
- * notation and port is the port number it is using.
+ /** Called whenever a local topic has been changed.
+ * To block topic changes you must use OnLocalTopicChange instead.
+ * @param user The user changing the topic
+ * @param chan The channels who's topic is being changed
+ * @param topic The actual topic text
*/
- virtual int OnMeshToken(char token,string_list params,serverrec* source,serverrec* reply, std::string tcp_host,std::string ipaddr,int port);
+ virtual void OnPostLocalTopicChange(User* user, Channel* chan, const std::string &topic);
/** Called whenever an Event class is sent to all module by another module.
* Please see the documentation of Event::Send() for further information. The Event sent can
* always be assumed to be non-NULL, you should *always* check the value of Event::GetEventID()
* before doing anything to the event data, and you should *not* change the event data in any way!
+ * @param event The Event class being received
*/
virtual void OnEvent(Event* event);
* can always be assumed to be non-NULL, you should not change the request object or its data.
* Your method may return arbitary data in the char* result which the requesting module
* may be able to use for pre-determined purposes (e.g. the results of an SQL query, etc).
+ * @param request The Request class being received
*/
virtual char* OnRequest(Request* request);
* 'input'. This method allows for encryption of oper passwords and much more besides.
* You should return a nonzero value if you want to allow the comparison or zero if you wish
* to do nothing.
+ * @param password The oper's password
+ * @param input The password entered
+ * @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(std::string password, 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
* such a task must be performed by another server. You can however bounce modes by sending
* servermodes out to reverse mode changes.
+ * @param user The user who is opering
*/
- virtual void OnGlobalOper(userrec* user);
+ virtual void OnGlobalOper(User* 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(User* 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.
+ * @param source The user adding the ban
+ * @param channel The channel the ban is being added to
+ * @param banmask The ban mask being added
+ * @return 1 to block the ban, 0 to continue as normal
*/
- virtual int OnAddBan(userrec* source, chanrec* channel,std::string banmask);
+ virtual int OnAddBan(User* source, Channel* channel,const std::string &banmask);
/** Called whenever a ban is removed from a channel's list.
* Return a non-zero value to 'eat' the mode change and prevent the ban from being removed.
+ * @param source The user deleting the ban
+ * @param channel The channel the ban is being deleted from
+ * @param banmask The ban mask being deleted
+ * @return 1 to block the unban, 0 to continue as normal
*/
- virtual int OnDelBan(userrec* source, chanrec* channel,std::string banmask);
+ virtual int OnDelBan(User* source, Channel* channel,const std::string &banmask);
/** Called immediately after any connection is accepted. This is intended for raw socket
* processing (e.g. modules which wrap the tcp connection within another library) and provides
* no information relating to a user record as the connection has not been assigned yet.
* There are no return values from this call as all modules get an opportunity if required to
* process the connection.
+ * @param fd The file descriptor returned from accept()
+ * @param ip The IP address of the connecting user
+ * @param localport The local port number the user connected to
*/
- virtual void OnRawSocketAccept(int fd, std::string ip, int localport);
+ virtual void OnRawSocketAccept(int fd, const std::string &ip, int localport);
/** Called immediately before any write() operation on a user's socket in the core. Because
* this event is a low level event no user information is associated with it. It is intended
* for use by modules which may wrap connections within another API such as SSL for example.
* return a non-zero result if you have handled the write operation, in which case the core
* will not call write().
+ * @param fd The file descriptor of the socket
+ * @param buffer A char* buffer being written
+ * @param Number of characters to write
+ * @return Number of characters actually written or 0 if you didn't handle the operation
*/
- virtual int OnRawSocketWrite(int fd, char* buffer, int count);
+ virtual int OnRawSocketWrite(int fd, const char* buffer, int count);
/** Called immediately before any socket is closed. When this event is called, shutdown()
* has not yet been called on the socket.
+ * @param fd The file descriptor of the socket prior to close()
*/
virtual void OnRawSocketClose(int fd);
+ /** Called immediately upon connection of an outbound BufferedSocket which has been hooked
+ * by a module.
+ * @param fd The file descriptor of the socket immediately after connect()
+ */
+ 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.
* be returned from the read() system call, for example, number of bytes read upon success,
* 0 upon EOF or closed socket, and -1 for error. If your function returns a nonzero value,
* you MUST set readresult.
+ * @param fd The file descriptor of the socket
+ * @param buffer A char* buffer being read to
+ * @param count The size of the buffer
+ * @param readresult The amount of characters read, or 0
+ * @return nonzero if the event was handled, in which case readresult must be valid on exit
*/
virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult);
-};
-
-
-/** 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(std::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, std::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, std::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, std::string s);
- /** Writes text to a channel, but from a server, including all.
- * This can be used to send server notices to a group of users.
- */
- virtual void SendChannelServerNotice(std::string ServName, chanrec* Channel, std::string text);
- /** 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, std::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)
- * If you specify NULL as the source, then the data will originate from the
- * local server, e.g. instead of:
- *
- * :user!ident@host TEXT
- *
- * The format will become:
- *
- * :localserver TEXT
- *
- * Which is useful for numerics and server notices to single users, etc.
- */
- virtual void SendTo(userrec* Source, userrec* Dest, std::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, std::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, std::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, std::string text);
-
- /** Returns true if a nick is valid.
- * Nicks for unregistered connections will return false.
- */
- virtual bool IsNick(std::string nick);
- /** Returns a count of the number of users on a channel.
- * This will NEVER be 0, as if the chanrec exists, it will have at least one user in the channel.
- */
- virtual int CountUsers(chanrec* c);
- /** 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(std::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(std::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 std::string ChanMode(userrec* User, chanrec* Chan);
- /** Checks if a user is on a channel.
- * This function will return true or false to indicate if user 'User' is on channel 'Chan'.
- */
- virtual bool IsOnChannel(userrec* User, chanrec* Chan);
- /** 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 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();
- /** Adds an extended mode letter which is parsed by a module.
- * This allows modules to add extra mode letters, e.g. +x for hostcloak.
- * the "type" parameter is either MT_CHANNEL, MT_CLIENT, or MT_SERVER, to
- * indicate wether the mode is a channel mode, a client mode, or a server mode.
- * requires_oper is used with MT_CLIENT type modes only to indicate the mode can only
- * be set or unset by an oper. If this is used for MT_CHANNEL type modes it is ignored.
- * params_when_on is the number of modes to expect when the mode is turned on
- * (for type MT_CHANNEL only), e.g. with mode +k, this would have a value of 1.
- * the params_when_off value has a similar value to params_when_on, except it indicates
- * the number of parameters to expect when the mode is disabled. Modes which act in a similar
- * way to channel mode +l (e.g. require a parameter to enable, but not to disable) should
- * use this parameter. The function returns false if the mode is unavailable, and will not
- * attempt to allocate another character, as this will confuse users. This also means that
- * as only one module can claim a specific mode character, the core does not need to keep track
- * of which modules own which modes, which speeds up operation of the server. In this version,
- * a mode can have at most one parameter, attempting to use more parameters will have undefined
- * effects.
- */
- virtual bool AddExtendedMode(char modechar, int type, bool requires_oper, int params_when_on, int params_when_off);
-
- /** Adds an extended mode letter which is parsed by a module and handled in a list fashion.
- * This call is used to implement modes like +q and +a. The characteristics of these modes are
- * as follows:
- *
- * (1) They are ALWAYS on channels, not on users, therefore their type is MT_CHANNEL
- *
- * (2) They always take exactly one parameter when being added or removed
- *
- * (3) They can be set multiple times, usually on users in channels
- *
- * (4) The mode and its parameter are NOT stored in the channels modes structure
- *
- * It is down to the module handling the mode to maintain state and determine what 'items' (e.g. users,
- * or a banlist) have the mode set on them, and process the modes at the correct times, e.g. during access
- * checks on channels, etc. When the extended mode is triggered the OnExtendedMode method will be triggered
- * as above. Note that the target you are given will be a channel, if for example your mode is set 'on a user'
- * (in for example +a) you must use Server::Find to locate the user the mode is operating on.
- * Your mode handler may return 1 to handle the mode AND tell the core to display the mode change, e.g.
- * '+aaa one two three' in the case of the mode for 'two', or it may return -1 to 'eat' the mode change,
- * so the above example would become '+aa one three' after processing.
- */
- virtual bool AddExtendedListMode(char modechar);
-
- /** 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(char* cmd, handlerfunc f, char flags, int minparams, char* source);
-
- /** 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(char **parameters, int pcnt, userrec *user);
-
- /** Sends to all users matching a mode mask
- * You must specify one or more usermodes as the first parameter. These can be RFC specified modes such as +i,
- * or module provided modes, including ones provided by your own module.
- * In the second parameter you must place a flag value which indicates wether the modes you have given will be
- * logically ANDed or OR'ed. You may use one of either WM_AND or WM_OR.
- * for example, if you were to use:
- *
- * Serv->SendToModeMask("xi", WM_OR, "m00");
- *
- * Then the text 'm00' will be sent to all users with EITHER mode x or i. Conversely if you used WM_AND, the
- * user must have both modes set to receive the message.
- */
- virtual void SendToModeMask(std::string modes, int flags, std::string text);
-
- /** Forces a user to join a channel.
- * This is similar to svsjoin and can be used to implement redirection, etc.
- * On success, the return value is a valid pointer to a chanrec* of the channel the user was joined to.
- * On failure, the result is NULL.
- */
- virtual chanrec* JoinUserToChannel(userrec* user, std::string cname, std::string key);
-
- /** Forces a user to part a channel.
- * This is similar to svspart and can be used to implement redirection, etc.
- * Although the return value of this function is a pointer to a channel record, the returned data is
- * undefined and should not be read or written to. This behaviour may be changed in a future version.
- */
- virtual chanrec* PartUserFromChannel(userrec* user, std::string cname, std::string reason);
-
- /** Forces a user nickchange.
- * This command works similarly to SVSNICK, and can be used to implement Q-lines etc.
- * If you specify an invalid nickname, the nick change will be dropped and the target user will receive
- * the error numeric for it.
- */
- virtual void ChangeUserNick(userrec* user, std::string nickname);
-
- /** Forces a user to quit with the specified reason.
- * To the user, it will appear as if they typed /QUIT themselves, except for the fact that this function
- * may bypass the quit prefix specified in the config file.
- *
- * WARNING!
- *
- * Once you call this function, userrec* user will immediately become INVALID. You MUST NOT write to, or
- * read from this pointer after calling the QuitUser method UNDER ANY CIRCUMSTANCES! The best course of
- * action after calling this method is to immediately bail from your handler.
- */
- virtual void QuitUser(userrec* user, std::string reason);
-
- /** 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(std::string sliteral, 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.
- */
- virtual void CallCommandHandler(std::string commandname, char** parameters, int pcnt, userrec* user);
-
- /** Change displayed hostname of a user.
- * You should always call this method to change a user's host rather than writing directly to the
- * dhost member of userrec, as any change applied via this method will be propogated to any
- * linked servers.
- */
- virtual void ChangeHost(userrec* user, std::string host);
-
- /** Change GECOS (fullname) of a user.
- * You should always call this method to change a user's GECOS rather than writing directly to the
- * fullname member of userrec, as any change applied via this method will be propogated to any
- * linked servers.
- */
- virtual void ChangeGECOS(userrec* user, std::string gecos);
-
- /** 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. Ulined server
- * data is also broadcast across the mesh at all times as opposed to selectively messaged in the
- * case of normal servers, as many ulined server types (such as services) do not support meshed
- * links and must operate in this manner.
- */
- virtual bool IsUlined(std::string server);
-
- /** Fetches the userlist of a channel. This function must be here and not a member of userrec or
- * chanrec due to include constraints.
- */
- virtual chanuserlist GetUsers(chanrec* chan);
-
- /** Remove a user's connection to the irc server, but leave their client in existence in the
- * user hash. When you call this function, the user's file descriptor will be replaced with the
- * value of FD_MAGIC_NUMBER and their old file descriptor will be closed. This idle client will
- * remain until it is restored with a valid file descriptor, or is removed from IRC by an operator
- * After this call, the pointer to user will be invalid.
- */
- virtual bool UserToPseudo(userrec* user,std::string message);
-
- /** This user takes one user, and switches their file descriptor with another user, so that one user
- * "becomes" the other. The user in 'alive' is booted off the server with the given message. The user
- * referred to by 'zombie' should have previously been locked with Server::ZombifyUser, otherwise
- * stale sockets and file descriptor leaks can occur. After this call, the pointer to alive will be
- * invalid, and the pointer to zombie will be equivalent in effect to the old pointer to alive.
- */
- virtual bool PseudoToUser(userrec* alive,userrec* zombie,std::string message);
-
- /** 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, std::string source, std::string reason, 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, std::string source, std::string reason, 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, std::string source, std::string reason, 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, std::string source, std::string reason, 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, std::string source, std::string reason, std::string hostmask);
-
- /** Deletes a G-Line from all servers on the mesh
- */
- virtual bool DelGLine(std::string hostmask);
-
- /** Deletes a Q-Line from all servers on the mesh
- */
- virtual bool DelQLine(std::string nickname);
-
- /** Deletes a Z-Line from all servers on the mesh
- */
- virtual bool DelZLine(std::string ipaddr);
-
- /** Deletes a local K-Line
- */
- virtual bool DelKLine(std::string hostmask);
-
- /** Deletes a local E-Line
- */
- virtual bool DelELine(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(std::string duration);
-
- /** Returns true if a nick!ident@host string is correctly formatted, false if otherwise.
- */
- virtual bool IsValidMask(std::string mask);
-
- /** Sends a line of text to all connected servers.
- * If a server is not directly reachable, the core deals with routing the message, and will also
- * deal with failures transparently.
- */
- virtual void MeshSendAll(std::string text);
-
- /** This method sends a line of text to all servers who have users which share common channels with the user you provide.
- * For example, if user A is on server A, and they are on channels #one and #two, and user B is on server B, and also on
- * channel #one, but user C is on server C and on neither #one or #two, this function will cause the text to only be
- * sent to server B. However, if server B is only reachable via C, it will route it to C (you do not have to worry about
- * this routing, it is done transparently, but its good to know how things work!)
- */
- virtual void MeshSendCommon(userrec* user, std::string text);
-
- /** This function is equivalent to Server::MeshSendToAll except it will only route to servers which are directly routable.
- */
- virtual void MeshSendAllAlive(std::string text);
-
- /** This function sends a line of text directly to a server.
- * If the server is not directly routable at this time, the server attempts to route text through the mesh.
- */
- virtual void MeshSendUnicast(std::string destination, std::string text);
-
- /** This function sends to all servers EXCEPT the one you specify.
- * You should usually use this function to send messages, specifying the SENDER of your message as 'target'.
- * This will prevent message loops.
- */
- virtual void MeshSendAllExcept(std::string target, std::string text);
-
- /** This function is used to check if any users on channel c are on server servername.
- * This is used internally by PRIVMSG etc. You should not need to use it.
- */
- virtual bool MeshCheckChan(chanrec *c,std::string servername);
-
- /** This function is used to check if user u has any channels in common with users on servername.
- * This is used internally by Server::MeshSendCommon. You should very rarely need to use it.
- */
- virtual bool MeshCheckCommon(userrec* u,std::string servername);
-
- /** 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(std::string name);
+ /** Called whenever a user sets away.
+ * This method has no parameter for the away message, as it is available in the
+ * user record as User::awaymsg.
+ * @param user The user setting away
+ */
+ virtual void OnSetAway(User* user);
+
+ /** Called when a user cancels their away state.
+ * @param user The user returning from away
+ */
+ virtual void OnCancelAway(User* user);
+
+ /** 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.
+ * @param The user requesting the NAMES list
+ * @param Ptr The channel the NAMES list is requested for
+ * @param userlist The user list for the channel (you may change this pointer.
+ * If you want to change the values, take a copy first, and change the copy, then
+ * point the pointer at your copy)
+ * @return 1 to prevent the user list being sent to the client, 0 to allow it
+ */
+ virtual int OnUserList(User* user, Channel* Ptr, CUList* &userlist);
+
+ /** 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 User 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.
+ */
+ virtual int OnWhoisLine(User* user, User* dest, int &numeric, std::string &text);
+
+ /** 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.
+ */
+ virtual void OnGarbageCollect();
+
+ /** Called whenever a user's write buffer has been completely sent.
+ * This is called when the user's write buffer is completely empty, and
+ * there are no more pending bytes to be written and no pending write events
+ * in the socket engine's queue. This may be used to refill the buffer with
+ * data which is being spooled in a controlled manner, e.g. LIST lines.
+ * @param user The user who's buffer is now empty.
+ */
+ virtual void OnBufferFlushed(User* user);
};
+#define CONF_NO_ERROR 0x000000
#define CONF_NOT_A_NUMBER 0x000010
-#define CONF_NOT_UNSIGNED 0x000080
+#define CONF_INT_NEGATIVE 0x000080
#define CONF_VALUE_NOT_FOUND 0x000100
#define CONF_FILE_NOT_FOUND 0x000200
* 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
+class CoreExport 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
* (such as comments) stripped from it.
*/
- std::stringstream *cache;
- std::stringstream *errorlog;
+ ConfigDataHash* data;
/** Used to store errors
*/
+ std::ostringstream* errorlog;
+ /** If we're using our own config data hash or not
+ */
+ bool privatehash;
+ /** True if an error occured reading the config file
+ */
bool readerror;
+ /** Error code
+ */
long error;
public:
* 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(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(std::string tag, 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(std::string tag, std::string name, int index);
+ 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
+ * 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. need_positive is set if the number must be non-negative.
+ * If a negative number is placed into a tag which is specified positive, 0 will be returned and GetError()
+ * will return CONF_INT_NEGATIVE. Note that need_positive is not suitable to get an unsigned int - you
+ * should cast the result to achieve that effect.
+ */
+ int ReadInteger(const std::string &tag, const std::string &name, int index, bool need_positive);
/** 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
+ * will return CONF_NOT_UNSIGNED. If the tag is not found, the default value is used instead.
*/
- long ReadInteger(std::string tag, std::string name, int index, bool needs_unsigned);
+ int ReadInteger(const std::string &tag, const std::string &name, const std::string &default_value, int index, bool need_positive);
+
/** 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.
* used with the index value of ConfigReader::ReadValue to loop through all copies of a
* multiple instance tag.
*/
- int Enumerate(std::string tag);
+ int Enumerate(const std::string &tag);
/** Returns true if a config file is valid.
* This method is partially implemented and will only return false if the config
* file does not exist or could not be opened.
* if bool is false AND user is false, the error report will be spooled to all opers
* by means of a NOTICE to all opers.
*/
- void DumpErrors(bool bail,userrec* user);
+ void DumpErrors(bool bail,User* user);
/** Returns the number of items within a tag.
* For example if the tag was <test tag="blah" data="foo"> then this
* function would return 2. Spaces and newlines both qualify as valid seperators
* between values.
*/
- int EnumerateValues(std::string tag, int index);
+ int EnumerateValues(const std::string &tag, int index);
};
* 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
+class CoreExport FileReader : public classbase
{
- file_cache fc;
+ InspIRCd* ServerInstance;
+ /** The file contents
+ */
+ file_cache fc;
+
+ /** Content size in bytes
+ */
+ unsigned long contentsize;
+
+ /** Calculate content size in bytes
+ */
+ void CalcSize();
+
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();
+ /** Default constructor.
+ * This method does not load any file into memory, you must use the LoadFile method
+ * after constructing the class this way.
+ */
+ 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(std::string filename);
+ /** 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(InspIRCd* Instance, const std::string &filename);
- /** Default destructor.
- * This deletes the memory allocated to the file.
- */
- ~FileReader();
+ /** 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(std::string filename);
+ /** 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(const std::string &filename);
- /** Returns true if the file exists
- * This function will return false if the file could not be opened.
- */
- bool Exists();
-
- /** 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.
- */
- std::string GetLine(int x);
+ /** Returns the whole content of the file as std::string
+ */
+ std::string Contents();
- /** 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();
+ /** Returns the entire size of the file as std::string
+ */
+ unsigned long ContentSize();
+
+ /** Returns true if the file exists
+ * This function will return false if the file could not be opened.
+ */
+ bool Exists();
+
+ /** 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.
+ */
+ std::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();
};
+/** A DLLFactory (designed to load shared objects) containing a
+ * handle to a module's init_module() function.
+ */
+typedef DLLFactory<Module> ircd_module;
+
+/** A list of loaded Modules
+ */
+typedef std::vector<Module*> ModuleList;
+
+/** A list of loaded module handles (ircd_module)
+ */
+typedef std::vector<ircd_module*> ModuleHandleList;
-/** 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.
+/** ModuleManager takes care of all things module-related
+ * in the core.
*/
-class ModuleFactory : public classbase
+class CoreExport ModuleManager : public classbase
{
+ private:
+ /** Holds a string describing the last module error to occur
+ */
+ char MODERR[MAXBUF];
+
+ /** The feature names published by various modules
+ */
+ featurelist Features;
+
+ /** The interface names published by various modules
+ */
+ interfacelist Interfaces;
+
+ /** Total number of modules loaded into the ircd, minus one
+ */
+ int ModCount;
+
+ /** Our pointer to the main insp instance
+ */
+ InspIRCd* Instance;
+
public:
- ModuleFactory() { }
- virtual ~ModuleFactory() { }
- /** Creates a new module.
- * Your inherited class of ModuleFactory must return a pointer to your Module class
- * using this method.
+ /** A list of ircd_module* module handles
+ * Note that this list is always exactly 255 in size.
+ * The actual number of loaded modules is available from GetModuleCount()
*/
- virtual Module * CreateModule() = 0;
-};
+ ModuleHandleList handles;
+
+ /** A list of Module* module classes
+ * Note that this list is always exactly 255 in size.
+ * The actual number of loaded modules is available from GetModuleCount()
+ */
+ ModuleList modules;
+
+ /** Simple, bog-standard, boring constructor.
+ */
+ ModuleManager(InspIRCd* Ins);
+
+ ~ModuleManager();
+
+ /** Returns text describing the last module error
+ * @return The last error message to occur
+ */
+ const char* LastError();
+
+ /** Load a given module file
+ * @param filename The file to load
+ * @return True if the module was found and loaded
+ */
+ bool Load(const char* filename);
+
+ /** Unload a given module file
+ * @param filename The file to unload
+ * @return True if the module was unloaded
+ */
+ bool Unload(const char* filename);
+
+ /** Called by the InspIRCd constructor to load all modules from the config file.
+ */
+ void LoadAll();
+
+ /** Get the total number of currently loaded modules
+ * @return The number of loaded modules
+ */
+ int GetCount()
+ {
+ return this->ModCount;
+ }
+
+ /** Find a module by name, and return a Module* to it.
+ * This is preferred over iterating the module lists yourself.
+ * @param name The module name to look up
+ * @return A pointer to the module, or NULL if the module cannot be found
+ */
+ Module* Find(const std::string &name);
+
+ /** Remove a module handle pointer
+ * @param j Index number of the module handle to remove
+ * @return True if a handle existed at the given index, false otherwise
+ */
+ bool EraseHandle(unsigned int j);
+
+ /** Remove a Module pointer
+ * @param j Index number of the Module to remove
+ * @return True if a handle existed at the given index, false otherwise
+ */
+ bool EraseModule(unsigned int j);
+
+ /** Move a given module to a specific slot in the list
+ * @param modulename The module name to relocate
+ * @param slot The slot to move the module into
+ */
+ void MoveTo(std::string modulename,int slot);
+ /** Moves the given module to the last slot in the list
+ * @param modulename The module name to relocate
+ */
+ void MoveToLast(std::string modulename);
+
+ /** Moves the given module to the first slot in the list
+ * @param modulename The module name to relocate
+ */
+ void MoveToFirst(std::string modulename);
+
+ /** Moves one module to be placed after another in the list
+ * @param modulename The module name to relocate
+ * @param after The module name to place the module after
+ */
+ void MoveAfter(std::string modulename, std::string after);
-typedef DLLFactory<ModuleFactory> ircd_module;
+ /** Moves one module to be placed before another in the list
+ * @param modulename The module name to relocate
+ * @param after The module name to place the module before
+ */
+ void MoveBefore(std::string modulename, std::string before);
+
+ /** 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
+ */
+ long PriorityAfter(const std::string &modulename);
+
+ /** Publish a 'feature'.
+ * There are two ways for a module to find another module it depends on.
+ * Either by name, using InspIRCd::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.
+ */
+ bool PublishFeature(const std::string &FeatureName, Module* Mod);
+
+ /** Publish a module to an 'interface'.
+ * Modules which implement the same interface (the same way of communicating
+ * with other modules) can publish themselves to an interface, using this
+ * method. When they do so, they become part of a list of related or
+ * compatible modules, and a third module may then query for that list
+ * and know that all modules within that list offer the same API.
+ * A prime example of this is the hashing modules, which all accept the
+ * same types of Request class. Consider this to be similar to PublishFeature,
+ * except for that multiple modules may publish the same 'feature'.
+ * @param InterfaceName The case sensitive interface name to make available
+ * @param Mod a pointer to your module class
+ * @returns True on success, false on failure (there are currently no failure
+ * cases)
+ */
+ bool PublishInterface(const std::string &InterfaceName, Module* Mod);
+
+ /** Return a pair saying how many other modules are currently using the
+ * interfaces provided by module m.
+ * @param m The module to count usage for
+ * @return A pair, where the first value is the number of uses of the interface,
+ * and the second value is the interface name being used.
+ */
+ std::pair<int,std::string> GetInterfaceInstanceCount(Module* m);
+
+ /** Mark your module as using an interface.
+ * If you mark your module as using an interface, then that interface
+ * module may not unload until your module has unloaded first.
+ * This can be used to prevent crashes by ensuring code you depend on
+ * is always in memory while your module is active.
+ * @param InterfaceName The interface to use
+ */
+ void UseInterface(const std::string &InterfaceName);
+
+ /** Mark your module as finished with an interface.
+ * If you used UseInterface() above, you should use this method when
+ * your module is finished with the interface (usually in its destructor)
+ * to allow the modules which implement the given interface to be unloaded.
+ * @param InterfaceName The interface you are finished with using.
+ */
+ void DoneWithInterface(const std::string &InterfaceName);
+
+ /** 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
+ */
+ bool UnpublishFeature(const std::string &FeatureName);
+
+ /** Unpublish your module from an interface
+ * When your module exits, it must call this method for every interface
+ * it is part of so that the interfaces table is cleaned up. Only when
+ * the last item is deleted from an interface does the interface get
+ * removed.
+ * @param InterfaceName the interface to be removed from
+ * @param Mod The module to remove from the interface list
+ */
+ bool UnpublishInterface(const std::string &InterfaceName, Module* Mod);
+
+ /** Find a 'feature'.
+ * There are two ways for a module to find another module it depends on.
+ * Either by name, using InspIRCd::FindModule, or by feature, using the
+ * InspIRCd::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);
+
+ /** Find an 'interface'.
+ * An interface is a list of modules which all implement the same API.
+ * @param InterfaceName The Interface you wish to obtain the module
+ * list of.
+ * @return A pointer to a deque of Module*, or NULL if the interface
+ * does not exist.
+ */
+ modulelist* FindInterface(const std::string &InterfaceName);
+
+ /** Given a pointer to a Module, return its filename
+ * @param m The module pointer to identify
+ * @return The module name or an empty string
+ */
+ const std::string& GetModuleName(Module* m);
+};
+
+/** This definition is used as shorthand for the various classes
+ * and functions needed to make a module loadable by the OS.
+ * It defines the class factory and external init_module function.
+ */
+#define MODULE_INIT(y) \
+ extern "C" DllExport Module * init_module(InspIRCd* Me) \
+ { \
+ return new y(Me); \
+ }
#endif