X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fmodules.h;h=f3d7ab18e4ca27c9f9148e25d6d29595fba9c423;hb=fca345d6b5bc453d3e0b914a1c7a1865991ea220;hp=1f73d3983a1a1ff7676230cfff9b2a4a85322164;hpb=871dd3c93bba5a8b60e9d785815dfbc579122652;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/modules.h b/include/modules.h index 1f73d3983..f3d7ab18e 100644 --- a/include/modules.h +++ b/include/modules.h @@ -3,13 +3,13 @@ * +------------------------------------+ * * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * + * E-mail: + * + * * * Written by Craig Edwards, Craig McLure, and others. * This program is free but copyrighted software; see - * the file COPYING for details. + * the file COPYING for details. * * --------------------------------------------------- */ @@ -18,14 +18,6 @@ #ifndef __MODULES_H #define __MODULES_H -/** log levels - */ -enum DebugLevels { DEBUG, VERBOSE, DEFAULT, SPARSE, NONE }; - -/** Used with OnExtendedMode() method of modules - */ -enum ModeTargetType { MT_CHANNEL, MT_CLIENT, MT_SERVER }; - /** Used with OnAccessCheck() method of modules */ enum AccessControlType { @@ -64,57 +56,75 @@ enum TargetTypeFlags { TYPE_OTHER }; +#include "globals.h" #include "dynamic.h" #include "base.h" #include "ctables.h" -#include "socket.h" +#include "inspsocket.h" #include #include #include #include #include "timer.h" +#include "mode.h" +#include "dns.h" class Server; class ServerConfig; +// Forward-delacare module for ModuleMessage etc +class Module; + /** Low level definition of a FileReader classes file cache area */ typedef std::deque file_cache; typedef file_cache string_list; -/** Holds a list of users in a channel +/** Holds a list of 'published features' for modules. */ -typedef std::deque chanuserlist; +typedef std::map featurelist; - -// This #define allows us to call a method in all -// loaded modules in a readable simple way, e.g.: -// 'FOREACH_MOD OnConnect(user);' - -#define FOREACH_MOD(y,x) if (Config->global_implementation[y] > 0) { \ +/** + * This #define allows us to call a method in all + * loaded modules in a readable simple way, e.g.: + * 'FOREACH_MOD(I_OnXonnwxr,OnConnect(user));' + */ +#define FOREACH_MOD(y,x) if (ServerInstance->Config->global_implementation[y] > 0) { \ for (int _i = 0; _i <= MODCOUNT; _i++) { \ - if (Config->implement_lists[_i][y]) \ + if (ServerInstance->Config->implement_lists[_i][y]) \ try \ { \ modules[_i]->x ; \ } \ catch (ModuleException& modexcept) \ { \ - log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \ + log(DEBUG,"Module 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 (Config->global_implementation[y] > 0) { \ +#define FOREACH_MOD_I(z,y,x) if (z->Config->global_implementation[y] > 0) { \ + for (int _i = 0; _i <= MODCOUNT; _i++) { \ + if (z->Config->implement_lists[_i][y]) \ + try \ + { \ + modules[_i]->x ; \ + } \ + catch (ModuleException& modexcept) \ + { \ + log(DEBUG,"Module 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 <= MODCOUNT; _i++) { \ - if (Config->implement_lists[_i][y]) {\ + if (ServerInstance->Config->implement_lists[_i][y]) { \ try \ { \ int res = modules[_i]->x ; \ @@ -131,23 +141,36 @@ typedef std::deque chanuserlist; } \ } \ } - -// ********************************************************************************************* + +#define FOREACH_RESULT_I(z,y,x) { if (z->Config->global_implementation[y] > 0) { \ + MOD_RESULT = 0; \ + for (int _i = 0; _i <= MODCOUNT; _i++) { \ + if (z->Config->implement_lists[_i][y]) { \ + try \ + { \ + int res = modules[_i]->x ; \ + if (res != 0) { \ + MOD_RESULT = res; \ + break; \ + } \ + } \ + catch (ModuleException& modexcept) \ + { \ + log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \ + } \ + } \ + } \ + } \ +} #define FD_MAGIC_NUMBER -42 // useful macros -#define IS_LOCAL(x) (x->fd > -1) +#define IS_LOCAL(x) ((x->fd > -1) && (x->fd <= MAX_DESCRIPTORS)) #define IS_REMOTE(x) (x->fd < 0) #define IS_MODULE_CREATED(x) (x->fd == FD_MAGIC_NUMBER) -/*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 * 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. @@ -159,25 +182,6 @@ class Version : public classbase Version(int major, int minor, int revision, int build, int flags); }; -/** Holds /ADMIN data - * This class contains the admin details of the local server. It is constructed by class Server, - * and has three read-only values, Name, Email and Nick that contain the specified values for the - * server where the module is running. - */ -class Admin : public classbase -{ - public: - const std::string Name, Email, Nick; - Admin(std::string name, std::string email, std::string nick); -}; - - -// 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. @@ -202,6 +206,11 @@ class Request : public ModuleMessage /** 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. */ @@ -211,11 +220,28 @@ class Request : public ModuleMessage Module* dest; public: /** 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(); @@ -272,29 +298,13 @@ class Event : public ModuleMessage char* Send(); }; -/** Holds an extended mode's details. - * Used internally by modules.cpp - */ -class ExtMode : public classbase -{ - public: - char modechar; - int type; - bool needsoper; - int params_when_on; - int params_when_off; - bool list; - ExtMode(char mc, int ty, bool oper, int p_on, int p_off) : modechar(mc), type(ty), needsoper(oper), params_when_on(p_on), params_when_off(p_off), list(false) { }; -}; - - /** This class can be used on its own to represent an exception, or derived to represent a module-specific exception. * When a module whishes to abort, e.g. within a constructor, it should throw an exception using ModuleException or * a class derived from ModuleException. If a module throws an exception during its constructor, the module will not * be loaded. If this happens, the error message returned by ModuleException::GetReason will be displayed to the user * attempting to load the module, or dumped to the console if the ircd is currently loading for the first time. */ -class ModuleException +class ModuleException : public classbase { private: /** Holds the error message to be displayed @@ -327,13 +337,13 @@ enum Priority { PRIORITY_FIRST, PRIORITY_DONTCARE, PRIORITY_LAST, PRIORITY_BEFOR /** 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_OnExtendedMode, I_OnUserPreJoin, I_OnUserPreKick, I_OnUserKick, I_OnOper, I_OnInfo, I_OnWhois, I_OnUserPreInvite, + 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_OnAddGLine, I_OnAddZLine, I_OnAddQLine, I_OnAddKLine, I_OnAddELine, I_OnDelGLine, I_OnDelZLine, I_OnDelKLine, I_OnDelELine, I_OnDelQLine, I_OnCleanup, I_OnUserPostNick, I_OnAccessCheck, I_On005Numeric, I_OnKill, I_OnRemoteKill, I_OnLoadModule, I_OnUnloadModule, - I_OnBackgroundTimer, I_OnSendList, I_OnPreCommand, I_OnCheckReady, I_OnUserRrgister, I_OnRawMode, I_OnCheckInvite, + I_OnBackgroundTimer, I_OnPreCommand, I_OnCheckReady, I_OnUserRrgister, I_OnRawMode, I_OnCheckInvite, I_OnCheckKey, I_OnCheckLimit, I_OnCheckBan, I_OnStats, I_OnChangeLocalUserHost, I_OnChangeLocalUserGecos, I_OnLocalTopicChange, I_OnPostLocalTopicChange, I_OnEvent, I_OnRequest, I_OnOperCompre, I_OnGlobalOper, I_OnGlobalConnect, I_OnAddBan, I_OnDelBan, I_OnRawSocketAccept, I_OnRawSocketClose, I_OnRawSocketWrite, I_OnRawSocketRead, I_OnChangeLocalUserGECOS, I_OnUserRegister, @@ -342,9 +352,9 @@ enum Implementation { I_OnUserConnect, I_OnUserQuit, I_OnUserDisconnect, I_OnUse /** 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 Module : public Extensible { public: @@ -468,23 +478,6 @@ class Module : public classbase */ virtual void OnServerRaw(std::string &raw, bool inbound, userrec* 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. - * @param user The user issuing the mode - * @param target The user or channel having the mode set on them - * @param modechar The mode character being set - * @param type The type of mode (user or channel) being set - * @param mode_on True if the mode is being set, false if it is being unset - * @param params A list of parameters for any channel mode (currently supports either 0 or 1 parameters) - */ - 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, @@ -504,15 +497,15 @@ class Module : public classbase virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname); /** 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. + * 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(userrec* source, userrec* user, chanrec* chan, const std::string &reason); /** Called whenever a user is kicked. @@ -811,72 +804,72 @@ class Module : public classbase /** Called whenever a zline is added by a local user. * This method is triggered after the line is added. - * @param duration The duration of the line in seconds - * @param source The sender of the line - * @param reason The reason text to be displayed - * @param ipmask The hostmask to add + * @param duration The duration of the line in seconds + * @param source The sender of the line + * @param reason The reason text to be displayed + * @param ipmask The hostmask to add */ virtual void OnAddZLine(long duration, userrec* source, const std::string &reason, const std::string &ipmask); /** Called whenever a kline is added by a local user. * This method is triggered after the line is added. - * @param duration The duration of the line in seconds - * @param source The sender of the line - * @param reason The reason text to be displayed - * @param hostmask The hostmask to add + * @param duration The duration of the line in seconds + * @param source The sender of the line + * @param reason The reason text to be displayed + * @param hostmask The hostmask to add */ virtual void OnAddKLine(long duration, userrec* source, const std::string &reason, const std::string &hostmask); /** Called whenever a qline is added by a local user. * This method is triggered after the line is added. - * @param duration The duration of the line in seconds - * @param source The sender of the line - * @param reason The reason text to be displayed - * @param nickmask The hostmask to add + * @param duration The duration of the line in seconds + * @param source The sender of the line + * @param reason The reason text to be displayed + * @param nickmask The hostmask to add */ virtual void OnAddQLine(long duration, userrec* source, const std::string &reason, const std::string &nickmask); /** Called whenever a eline is added by a local user. * This method is triggered after the line is added. - * @param duration The duration of the line in seconds - * @param source The sender of the line - * @param reason The reason text to be displayed - * @param hostmask The hostmask to add + * @param duration The duration of the line in seconds + * @param source The sender of the line + * @param reason The reason text to be displayed + * @param hostmask The hostmask to add */ virtual void OnAddELine(long duration, userrec* source, const std::string &reason, const std::string &hostmask); /** Called whenever a gline is deleted. * This method is triggered after the line is deleted. - * @param source The user removing the line - * @param hostmask The hostmask to delete + * @param source The user removing the line + * @param hostmask The hostmask to delete */ virtual void OnDelGLine(userrec* source, const std::string &hostmask); /** 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 + * @param source The user removing the line + * @param hostmask The hostmask to delete */ virtual void OnDelZLine(userrec* source, const std::string &ipmask); /** Called whenever a kline is deleted. * This method is triggered after the line is deleted. - * @param source The user removing the line - * @param hostmask The hostmask to delete + * @param source The user removing the line + * @param hostmask The hostmask to delete */ virtual void OnDelKLine(userrec* source, const std::string &hostmask); /** Called whenever a qline is deleted. * This method is triggered after the line is deleted. - * @param source The user removing the line - * @param hostmask The hostmask to delete + * @param source The user removing the line + * @param hostmask The hostmask to delete */ virtual void OnDelQLine(userrec* source, const std::string &nickmask); /** Called whenever a eline is deleted. * This method is triggered after the line is deleted. - * @param source The user removing the line - * @param hostmask The hostmask to delete + * @param source The user removing the line + * @param hostmask The hostmask to delete */ virtual void OnDelELine(userrec* source, const std::string &hostmask); @@ -893,13 +886,13 @@ class Module : public classbase /** 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 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). * 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. * @param user The user changing their nick * @param oldnick The old nickname of the user before the nickchange - */ + */ virtual void OnUserPostNick(userrec* user, const std::string &oldnick); /** Called before an action which requires a channel privilage check. @@ -914,7 +907,7 @@ class Module : public classbase * AC_DEVOICE (4) - a user is being devoiced
* AC_HALFOP (5) - a user is being halfopped
* AC_DEHALFOP (6) - a user is being dehalfopped
- * AC_INVITE (7) - a user is being invited
+ * AC_INVITE () - a user is being invited
* AC_GENERAL_MODE (8) - a user channel mode is being changed

* 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 @@ -972,17 +965,17 @@ class Module : public classbase 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). + * 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 OnUnloadModule(Module* mod,const std::string &name); /** Called once every five seconds for background processing. @@ -993,18 +986,6 @@ class Module : public classbase */ 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. - * @param user The user requesting the list - * @param channel The channel the list is for - * @param mode The listmode which a list is being requested on - */ - 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 @@ -1021,7 +1002,7 @@ class Module : public classbase * @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. * @return 1 to block the command, 0 to allow */ - virtual int OnPreCommand(const std::string &command, char **parameters, int pcnt, userrec *user, bool validated); + virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated); /** 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 @@ -1070,43 +1051,44 @@ class Module : public classbase virtual int OnCheckInvite(userrec* user, chanrec* 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. + * 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. + * 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(userrec* user, chanrec* 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. + * 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(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. + * 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(userrec* user, chanrec* 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 - * @user the user issuing the /STATS command + * @param user the user issuing the /STATS command + * @param results A string_list to append results into * @return 1 to block the /STATS from being processed by the core, 0 to allow it */ - virtual int OnStats(char symbol, userrec* user); + virtual int OnStats(char symbol, userrec* 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. @@ -1223,7 +1205,7 @@ class Module : public classbase * @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. @@ -1248,8 +1230,14 @@ class Module : public classbase */ virtual int OnRawSocketRead(int fd, char* buffer, unsigned int count, int &readresult); + /** Called whenever a user sets away. + * This method has no parameter for the away message, as it is available in the + * user record as userrec::awaymsg. + */ virtual void OnSetAway(userrec* user); + /** Called when a user cancels their away state. + */ virtual void OnCancelAway(userrec* user); }; @@ -1259,25 +1247,9 @@ class Module : public classbase * 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 +class Server : public Extensible { public: - /** Default constructor. - * Creates a Server object. - */ - Server(); - - /** Default destructor. - * Destroys a Server object. - */ - virtual ~Server(); - - /** Obtains a pointer to the server's ServerConfig object. - * The ServerConfig object contains most of the configuration data - * of the IRC server, as read from the config file by the core. - */ - ServerConfig* GetConfig(); - /** For use with Module::Prioritize(). * When the return value of this function is returned from * Module::Prioritize(), this specifies that the module wishes @@ -1297,186 +1269,73 @@ class Server : public classbase * @returns a priority ID which the core uses to relocate the module in the list */ long PriorityAfter(const std::string &modulename); - - /** Sends text to all opers. - * This method sends a server notice to all opers with the usermode +s. - */ - virtual void SendOpers(const std::string &s); - /** Returns the version string of this server - */ - std::string GetVersion(); + /** Publish a 'feature'. + * There are two ways for a module to find another module it depends on. + * Either by name, using Server::FindModule, or by feature, using this + * function. A feature is an arbitary string which identifies something this + * module can do. For example, if your module provides SSL support, but other + * modules provide SSL support too, all the modules supporting SSL should + * publish an identical 'SSL' feature. This way, any module requiring use + * of SSL functions can just look up the 'SSL' feature using FindFeature, + * then use the module pointer they are given. + * @param FeatureName The case sensitive feature name to make available + * @param Mod a pointer to your module class + * @returns True on success, false if the feature is already published by + * another module. + */ + bool PublishFeature(const std::string &FeatureName, Module* Mod); + + /** 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); + + /** Find a 'feature'. + * There are two ways for a module to find another module it depends on. + * Either by name, using Server::FindModule, or by feature, using the + * Server::PublishFeature method. A feature is an arbitary string which + * identifies something this module can do. For example, if your module + * provides SSL support, but other modules provide SSL support too, all + * the modules supporting SSL should publish an identical 'SSL' feature. + * To find a module capable of providing the feature you want, simply + * call this method with the feature name you are looking for. + * @param FeatureName The feature name you wish to obtain the module for + * @returns A pointer to a valid module class on success, NULL on failure. + */ + Module* FindFeature(const std::string &FeatureName); + + const std::string& GetModuleName(Module* m); /** Writes a log string. * This method writes a line of text to the log. If the level given is lower than the * level given in the configuration, this command has no effect. */ - virtual void Log(int level, const std::string &s); - - /** 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, const 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, const 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(const std::string &ServName, chanrec* Channel, const 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, const 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, const 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, const 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, const 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, const std::string &text); + void Log(int level, const std::string &s); /** Returns true if a nick is valid. * Nicks for unregistered connections will return false. */ - virtual bool IsNick(const std::string &nick); - - /** 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); - - /** Adds an InspTimer which will trigger at a future time - */ - virtual void AddTimer(InspTimer* T); - - /** 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(const std::string &nick); + bool IsNick(const std::string &nick); /** Attempts to look up a nick using the file descriptor associated with that nick. * This function will return NULL if the file descriptor is not associated with a valid user. */ - virtual userrec* FindDescriptor(int socket); - - /** 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(const 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); + userrec* FindDescriptor(int socket); /** Returns the server name of the server where the module is loaded. */ - virtual std::string GetServerName(); + std::string GetServerName(); - /** Returns the network name, global to all linked servers. - */ - virtual std::string GetNetworkName(); - - /** Returns the server description string of the local server - */ - virtual std::string GetServerDescription(); + bool AddMode(ModeHandler* mh, const unsigned char modechar); - /** 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(); + bool AddModeWatcher(ModeWatcher* mw); - /** 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); + bool DelModeWatcher(ModeWatcher* mw); - /** 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); + bool AddResolver(Resolver* r); /** Adds a command to the command table. * This allows modules to add extra commands into the command table. You must place a function within your @@ -1495,7 +1354,7 @@ class Server : public classbase * extension) e.g. "m_blarp.so". If you place the wrong identifier here, you can cause crashes if your module * is unloaded. */ - virtual void AddCommand(command_t *f); + void AddCommand(command_t *f); /** Sends a servermode. * you must format the parameters array with the target, modes and parameters for those modes. @@ -1517,70 +1376,13 @@ class Server : public classbase * 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! */ + void SendMode(const char **parameters, int pcnt, userrec *user); - 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(const std::string &modes, int flags, const 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, const std::string &cname, const 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, const std::string &cname, const 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, const 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, const std::string &reason); - - /** Makes a user kick another user, with the specified reason. - * If source is NULL, the server will peform the kick. - * @param The person or server (if NULL) performing the KICK - * @param target The person being kicked - * @param chan The channel to kick from - * @param reason The kick reason - */ - virtual void KickUser(userrec* source, userrec* target, chanrec* chan, const 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(const std::string &sliteral, const std::string &spattern); + bool MatchText(const std::string &sliteral, const std::string &spattern); /** Calls the handler for a command, either implemented by the core or by another module. * You can use this function to trigger other commands in the ircd, such as PRIVMSG, JOIN, @@ -1594,57 +1396,22 @@ class Server : public classbase * used for privilage checks, etc. * @return True if the command exists */ - virtual bool CallCommandHandler(const std::string &commandname, char** parameters, int pcnt, userrec* user); + bool CallCommandHandler(const std::string &commandname, const char** parameters, int pcnt, userrec* user); /** This function returns true if the commandname exists, pcnt is equal to or greater than the number * of paramters the command requires, the user specified is allowed to execute the command, AND * if the command is implemented by a module (not the core). This has a few specific uses, usually * within network protocols (see src/modules/m_spanningtree.cpp) */ - virtual bool IsValidModuleCommand(const std::string &commandname, int pcnt, userrec* user); - - /** 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, const 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, const std::string &gecos); + bool IsValidModuleCommand(const std::string &commandname, int pcnt, userrec* user); /** Returns true if the servername you give is ulined. * ULined servers have extra privilages. They are allowed to change nicknames on remote servers, * change modes of clients which are on remote servers and set modes of channels where there are * no channel operators for that channel on the ulined server, amongst other things. */ - virtual bool IsUlined(const std::string &server); + bool IsUlined(const 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, const 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::UserToPseudo, 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, const 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 @@ -1652,7 +1419,7 @@ class Server : public classbase * to indicate who or what sent the data, usually this is the nickname of a person, or a server * name. */ - virtual void AddGLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask); + void AddGLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask); /** Adds a Q-line * The Q-line is propogated to all of the servers in the mesh and enforced as soon as it is added. @@ -1661,7 +1428,7 @@ class Server : public classbase * to indicate who or what sent the data, usually this is the nickname of a person, or a server * name. */ - virtual void AddQLine(long duration, const std::string &source, const std::string &reason, const std::string &nickname); + void AddQLine(long duration, const std::string &source, const std::string &reason, const std::string &nickname); /** Adds a Z-line * The Z-line is propogated to all of the servers in the mesh and enforced as soon as it is added. @@ -1670,7 +1437,7 @@ class Server : public classbase * to indicate who or what sent the data, usually this is the nickname of a person, or a server * name. */ - virtual void AddZLine(long duration, const std::string &source, const std::string &reason, const std::string &ipaddr); + void AddZLine(long duration, const std::string &source, const std::string &reason, const std::string &ipaddr); /** Adds a K-line * The K-line is enforced as soon as it is added. @@ -1679,7 +1446,7 @@ class Server : public classbase * to indicate who or what sent the data, usually this is the nickname of a person, or a server * name. */ - virtual void AddKLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask); + void AddKLine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask); /** Adds a E-line * The E-line is enforced as soon as it is added. @@ -1688,63 +1455,78 @@ class Server : public classbase * to indicate who or what sent the data, usually this is the nickname of a person, or a server * name. */ - virtual void AddELine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask); + void AddELine(long duration, const std::string &source, const std::string &reason, const std::string &hostmask); /** Deletes a G-Line from all servers */ - virtual bool DelGLine(const std::string &hostmask); + bool DelGLine(const std::string &hostmask); /** Deletes a Q-Line from all servers */ - virtual bool DelQLine(const std::string &nickname); + bool DelQLine(const std::string &nickname); /** Deletes a Z-Line from all servers */ - virtual bool DelZLine(const std::string &ipaddr); + bool DelZLine(const std::string &ipaddr); /** Deletes a local K-Line */ - virtual bool DelKLine(const std::string &hostmask); + bool DelKLine(const std::string &hostmask); /** Deletes a local E-Line */ - virtual bool DelELine(const std::string &hostmask); + bool DelELine(const std::string &hostmask); /** Calculates a duration * This method will take a string containing a formatted duration (e.g. "1w2d") and return its value * as a total number of seconds. This is the same function used internally by /GLINE etc to set * the ban times. */ - virtual long CalcDuration(const std::string &duration); + long CalcDuration(const std::string &duration); /** Returns true if a nick!ident@host string is correctly formatted, false if otherwise. */ - virtual bool IsValidMask(const std::string &mask); + bool IsValidMask(const std::string &mask); /** This function finds a module by name. * You must provide the filename of the module. If the module cannot be found (is not loaded) * the function will return NULL. */ - virtual Module* FindModule(const std::string &name); + Module* FindModule(const std::string &name); /** Adds a class derived from InspSocket to the server's socket engine. */ - virtual void AddSocket(InspSocket* sock); + void AddSocket(InspSocket* sock); /** Forcibly removes a class derived from InspSocket from the servers socket engine. */ - virtual void RemoveSocket(InspSocket* sock); + void RemoveSocket(InspSocket* sock); /** Deletes a class derived from InspSocket from the server's socket engine. */ - virtual void DelSocket(InspSocket* sock); + void DelSocket(InspSocket* sock); - virtual void RehashServer(); + /** Causes the local server to rehash immediately. + * WARNING: Do not call this method from within your rehash method, for + * obvious reasons! + */ + void RehashServer(); - virtual long GetChannelCount(); + /** This method returns the total number of channels on the network. + */ + long GetChannelCount(); - virtual chanrec* GetChannelIndex(long index); + /** This method returns a channel whos index is greater than or equal to 0 and less than the number returned by Server::GetChannelCount(). + * This is slower (by factors of dozens) than requesting a channel by name with Server::FindChannel(), however there are times when + * you wish to safely iterate the channel list, saving your position, with large amounts of time in between, which is what this function + * is useful for. + */ + chanrec* GetChannelIndex(long index); + /** Dumps text (in a stringstream) to a user. The stringstream should not contain linefeeds, as it will be split + * automatically by the function into safe amounts. The line prefix given is prepended onto each line (e.g. a servername + * and a numeric). + */ void DumpText(userrec* User, const std::string &LinePrefix, stringstream &TextStream); }; @@ -1769,10 +1551,11 @@ class ConfigReader : public classbase * 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; + std::ostringstream* errorlog;; /** Used to store errors */ + bool privatehash; // If we're using our own config data hash or not. bool readerror; long error; @@ -1852,50 +1635,65 @@ class ConfigReader : public classbase */ class FileReader : public classbase { + /** The file contents + */ file_cache fc; + + unsigned long contentsize; + + 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(); - - /** Secondary constructor. - * This method initialises the class with a file loaded into it ready for GetLine and - * and other methods to be called. If the file could not be loaded, FileReader::FileSize - * returns 0. - */ - FileReader(const std::string &filename); - - /** 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(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 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(); + /** Default constructor. + * This method does not load any file into memory, you must use the LoadFile method + * after constructing the class this way. + */ + FileReader(); + + /** Secondary constructor. + * This method initialises the class with a file loaded into it ready for GetLine and + * and other methods to be called. If the file could not be loaded, FileReader::FileSize + * returns 0. + */ + FileReader(const std::string &filename); + + /** Default destructor. + * This deletes the memory allocated to the file. + */ + ~FileReader(); + + /** Used to load a file. + * This method loads a file into the class ready for GetLine and + * and other methods to be called. If the file could not be loaded, FileReader::FileSize + * returns 0. + */ + void LoadFile(const std::string &filename); + + /** Returns the whole content of the file as std::string + */ + std::string Contents(); + + /** 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(); }; @@ -1919,12 +1717,7 @@ class ModuleFactory : public classbase typedef DLLFactory ircd_module; - -bool ModeDefined(char c, int i); -bool ModeDefinedOper(char c, int i); -int ModeDefinedOn(char c, int i); -int ModeDefinedOff(char c, int i); -void ModeMakeList(char modechar); -bool ModeIsListMode(char modechar, int type); +typedef std::vector ModuleList; +typedef std::vector FactoryList; #endif