X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fmodules.h;h=fe921a5405d729e53eb28f7a2df454a2e07b1049;hb=276bbd193ed9dc53f44a4f564401d577d8e31424;hp=deb7dcf22967bb8334d650946145726d5b6c6cf6;hpb=0e8a71803850ca62e9c7fd1447714d7548184d95;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/modules.h b/include/modules.h index deb7dcf22..fe921a540 100644 --- a/include/modules.h +++ b/include/modules.h @@ -2,19 +2,15 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * - * - * 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 @@ -56,6 +52,11 @@ enum TargetTypeFlags { TYPE_OTHER }; +enum MessageType { + MSG_PRIVMSG = 0, + MSG_NOTICE = 1 +}; + #include "globals.h" #include "dynamic.h" #include "base.h" @@ -74,7 +75,7 @@ enum TargetTypeFlags { * ipv4 servers, so this value will be ten times as * high on ipv6 servers. */ -#define NATIVE_API_VERSION 11005 +#define NATIVE_API_VERSION 11022 #ifdef IPV6 #define API_VERSION (NATIVE_API_VERSION * 10) #else @@ -96,6 +97,14 @@ typedef file_cache string_list; */ typedef std::map featurelist; +/** Holds a list of modules which implement an interface + */ +typedef std::deque modulelist; + +/** Holds a list of all modules which implement interfaces, by interface name + */ +typedef std::map > interfacelist; + /** * This #define allows us to call a method in all * loaded modules in a readable simple way, e.g.: @@ -108,9 +117,9 @@ typedef std::map featurelist; { \ ServerInstance->modules[_i]->x ; \ } \ - catch (ModuleException& modexcept) \ + catch (CoreException& modexcept) \ { \ - ServerInstance->Log(DEBUG,"Module exception caught: %s",modexcept.GetReason()); \ + ServerInstance->Log(DEFAULT,"Exception cought: %s",modexcept.GetReason()); \ } \ } \ } @@ -122,9 +131,9 @@ typedef std::map featurelist; { \ z->modules[_i]->x ; \ } \ - catch (ModuleException& modexcept) \ + catch (CoreException& modexcept) \ { \ - z->Log(DEBUG,"Module exception caught: %s",modexcept.GetReason()); \ + z->Log(DEFAULT,"Exception cought: %s",modexcept.GetReason()); \ } \ } \ } @@ -145,9 +154,9 @@ typedef std::map featurelist; break; \ } \ } \ - catch (ModuleException& modexcept) \ + catch (CoreException& modexcept) \ { \ - ServerInstance->Log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \ + ServerInstance->Log(DEFAULT,"Exception cought: %s",modexcept.GetReason()); \ } \ } \ } \ @@ -166,9 +175,9 @@ typedef std::map featurelist; break; \ } \ } \ - catch (ModuleException& modexcept) \ + catch (CoreException& modexcept) \ { \ - z->Log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \ + z->Log(DEBUG,"Exception cought: %s",modexcept.GetReason()); \ } \ } \ } \ @@ -182,6 +191,8 @@ typedef std::map featurelist; #define IS_LOCAL(x) ((x->GetFd() > -1) && (x->GetFd() <= MAX_DESCRIPTORS)) #define IS_REMOTE(x) (x->GetFd() < 0) #define IS_MODULE_CREATED(x) (x->GetFd() == FD_MAGIC_NUMBER) +#define IS_OPER(x) (*x->oper) +#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 @@ -313,24 +324,29 @@ class Event : public ModuleMessage * be loaded. If this happens, the error message returned by ModuleException::GetReason will be displayed to the user * attempting to load the module, or dumped to the console if the ircd is currently loading for the first time. */ -class ModuleException : public std::exception +class CoreException : public std::exception { - private: + protected: /** Holds the error message to be displayed */ - std::string err; + const std::string err; + const std::string source; public: - /** Default constructor, just uses the error mesage 'Module threw an exception'. + /** Default constructor, just uses the error mesage 'Core threw an exception'. */ - ModuleException() : err("Module threw an exception") {} + CoreException() : err("Core threw an exception"), source("The core") {} /** This constructor can be used to specify an error message before throwing. */ - ModuleException(std::string message) : err(message) {} + CoreException(const std::string &message) : err(message), source("The core") {} + /** This constructor can be used to specify an error message before throwing, + * and to specify the source of the exception. + */ + CoreException(const std::string &message, const std::string &src) : err(message), source(src) {} /** This destructor solves world hunger, cancels the world debt, and causes the world to end. * Actually no, it does nothing. Never mind. * @throws Nothing! */ - virtual ~ModuleException() throw() {}; + virtual ~CoreException() throw() {}; /** Returns the reason for the exception. * The module should probably put something informative here as the user will see this upon failure. */ @@ -338,6 +354,28 @@ class ModuleException : public std::exception { return err.c_str(); } + + virtual const char* GetSource() + { + return source.c_str(); + } +}; + +class ModuleException : public CoreException +{ + public: + /** Default constructor, just uses the error mesage 'Module threw an exception'. + */ + ModuleException() : CoreException("Module threw an exception", "A Module") {} + + /** This constructor can be used to specify an error message before throwing. + */ + ModuleException(const std::string &message) : CoreException(message, "A Module") {} + /** This destructor solves world hunger, cancels the world debt, and causes the world to end. + * Actually no, it does nothing. Never mind. + * @throws Nothing! + */ + virtual ~ModuleException() throw() {}; }; /** Priority types which can be returned from Module::Prioritize() @@ -358,7 +396,7 @@ enum Implementation { I_OnUserConnect, I_OnUserQuit, I_OnUserDisconnect, I_OnUse 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_OnPostCommand, I_OnPostJoin, I_OnWhoisLine, I_OnBuildExemptList, I_OnRawSocketConnect, I_OnGarbageCollect, I_OnBufferFlushed }; /** Base class for all InspIRCd modules * This class is the base class for InspIRCd modules. All modules must inherit from this class, @@ -435,9 +473,10 @@ class Module : public Extensible * 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 + * @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, const std::string &message); + virtual void OnUserQuit(userrec* 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 @@ -457,8 +496,10 @@ class Module : public Extensible * and the details of the channel they have joined is available in the variable chanrec *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 OnUserJoin(userrec* user, chanrec* channel); + virtual void OnUserJoin(userrec* user, chanrec* channel, bool &silent); /** Called after a user joins a channel * Identical to OnUserJoin, but called immediately afterwards, when any linking module has @@ -474,17 +515,21 @@ class Module : public Extensible * @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 OnUserPart(userrec* user, chanrec* channel, const std::string &partmessage); + virtual void OnUserPart(userrec* user, chanrec* 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. If a parameter is given, the core has done nothing. The module * receiving the event can decide if this parameter has any relevence to it. + * @param user The user performing the rehash, if any -- if this is server initiated, the + * value of this variable will be NULL. * @param parameter The (optional) parameter given to REHASH from the user. */ - virtual void OnRehash(const std::string ¶meter); + virtual void OnRehash(userrec* user, const std::string ¶meter); /** Called when a raw command is transmitted or received. * This method is the lowest level of handler available to a module. It will be called with raw @@ -539,8 +584,10 @@ class Module : public Extensible * @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, const std::string &reason); + virtual void OnUserKick(userrec* source, userrec* user, chanrec* 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 @@ -637,6 +684,16 @@ class Module : public Extensible * @return 1 to deny the NOTICE, 0 to allow it */ virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text,char status, CUList &exempt_list); + + /** Called whenever the server wants to build the exemption list for a channel, but is not directly doing a PRIVMSG or NOTICE. + * For example, the spanningtree protocol will call this event when passing a privmsg on (but not processing it directly). + * @param message_type The message type, either MSG_PRIVMSG or MSG_NOTICE + * @param chan The channel to build the exempt list of + * @param sender The original sender of the PRIVMSG or NOTICE + * @param status The status char to be used for the channel list + * @param exempt_list The exempt list to be populated + */ + virtual void OnBuildExemptList(MessageType message_type, chanrec* chan, userrec* sender, char status, CUList &exempt_list); /** Called before any nickchange, local or remote. This can be used to implement Q-lines etc. * Please note that although you can see remote nickchanges through this function, you should @@ -659,7 +716,7 @@ class Module : public Extensible * @param text the text being sent by the user * @param status The status being used, e.g. PRIVMSG @#chan has status== '@', 0 to send to everyone. */ - virtual void OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status); + virtual void OnUserMessage(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list); /** Called after any NOTICE sent from a user. * The dest variable contains a userrec* if target_type is TYPE_USER and a chanrec* @@ -670,7 +727,7 @@ class Module : public Extensible * @param text the text being sent by the user * @param status The status being used, e.g. NOTICE @#chan has status== '@', 0 to send to everyone. */ - virtual void OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status); + virtual void OnUserNotice(userrec* user, void* dest, int target_type, const std::string &text, char status, const CUList &exempt_list); /** Called after every MODE command sent from a user * The dest variable contains a userrec* if target_type is TYPE_USER and a chanrec* @@ -734,8 +791,10 @@ class Module : public Extensible * @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(chanrec* chan, Module* proto,void* opaque, const std::string &extname); + virtual void OnSyncChannelMetaData(chanrec* 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 @@ -747,8 +806,10 @@ class Module : public Extensible * @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(userrec* user, Module* proto,void* opaque, const std::string &extname); + virtual void OnSyncUserMetaData(userrec* 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 @@ -758,8 +819,10 @@ class Module : public Extensible * 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); + 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. @@ -1179,9 +1242,10 @@ class Module : public Extensible * to do nothing. * @param password The oper's password * @param input The password entered - * @return 1 to match the passwords, 0 to do nothing + * @param tagnumber The tag number (from the configuration file) of this oper's tag + * @return 1 to match the passwords, 0 to do nothing. -1 to not match, and not continue. */ - virtual int OnOperCompare(const std::string &password, const std::string &input); + virtual int OnOperCompare(const std::string &password, const std::string &input, int tagnumber); /** Called whenever a user is given usermode +o, anywhere on the network. * You cannot override this and prevent it from happening as it is already happened and @@ -1246,6 +1310,8 @@ class Module : public Extensible */ virtual void OnRawSocketClose(int fd); + virtual void OnRawSocketConnect(int fd); + /** Called immediately before any read() operation on a client socket in the core. * This occurs AFTER the select() or poll() so there is always data waiting to be read * when this event occurs. @@ -1278,7 +1344,7 @@ class Module : public Extensible * and if you do you must return 1. If you do not handle the names list, * return 0. */ - virtual int OnUserList(userrec* user, chanrec* Ptr); + virtual int OnUserList(userrec* user, chanrec* 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 @@ -1292,6 +1358,22 @@ class Module : public Extensible * receive it, or zero to allow the line to be sent. */ virtual int OnWhoisLine(userrec* user, userrec* 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(userrec* user); }; @@ -1338,17 +1420,33 @@ class ConfigReader : public classbase * This method destroys the ConfigReader class. */ ~ConfigReader(); + /** Retrieves a value from the config file. * This method retrieves a value from the config file. Where multiple copies of the tag * exist in the config file, index indicates which of the values to retrieve. */ - std::string ReadValue(const std::string &tag, const std::string &name, int index); + std::string ReadValue(const std::string &tag, const std::string &name, int index, bool allow_linefeeds = false); + /** Retrieves a value from the config file. + * This method retrieves a value from the config file. Where multiple copies of the tag + * exist in the config file, index indicates which of the values to retrieve. If the + * tag is not found the default value is returned instead. + */ + std::string ReadValue(const std::string &tag, const std::string &name, const std::string &default_value, int index, bool allow_linefeeds = false); + /** Retrieves a boolean value from the config file. * This method retrieves a boolean value from the config file. Where multiple copies of the tag * exist in the config file, index indicates which of the values to retrieve. The values "1", "yes" * and "true" in the config file count as true to ReadFlag, and any other value counts as false. */ bool ReadFlag(const std::string &tag, const std::string &name, int index); + /** Retrieves a boolean value from the config file. + * This method retrieves a boolean value from the config file. Where multiple copies of the tag + * exist in the config file, index indicates which of the values to retrieve. The values "1", "yes" + * and "true" in the config file count as true to ReadFlag, and any other value counts as false. + * If the tag is not found, the default value is used instead. + */ + bool ReadFlag(const std::string &tag, const std::string &name, const std::string &default_value, int index); + /** Retrieves an integer value from the config file. * This method retrieves an integer value from the config file. Where multiple copies of the tag * exist in the config file, index indicates which of the values to retrieve. Any invalid integer @@ -1358,6 +1456,16 @@ class ConfigReader : public classbase * will return CONF_NOT_UNSIGNED */ long ReadInteger(const std::string &tag, const std::string &name, int index, bool needs_unsigned); + /** Retrieves an integer value from the config file. + * This method retrieves an integer value from the config file. Where multiple copies of the tag + * exist in the config file, index indicates which of the values to retrieve. Any invalid integer + * values in the tag will cause the objects error value to be set, and any call to GetError() will + * return CONF_INVALID_NUMBER to be returned. needs_unsigned is set if the number must be unsigned. + * If a signed number is placed into a tag which is specified unsigned, 0 will be returned and GetError() + * will return CONF_NOT_UNSIGNED. If the tag is not found, the default value is used instead. + */ + long ReadInteger(const std::string &tag, const std::string &name, const std::string &default_value, int index, bool needs_unsigned); + /** Returns the last error to occur. * Valid errors can be found by looking in modules.h. Any nonzero value indicates an error condition. * A call to GetError() resets the error flag back to 0.