* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
+ * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
-
#ifndef __MODULES_H
#define __MODULES_H
VF_COMMON = 8 // module needs to be common on all servers in a network to link
};
+/** Used with SendToMode()
+ */
enum WriteModeFlags {
WM_AND = 1,
WM_OR = 2
};
+/** Used to represent an event type, for user, channel or server
+ */
enum TargetTypeFlags {
TYPE_USER = 1,
TYPE_CHANNEL,
TYPE_OTHER
};
+/** 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"
* ipv4 servers, so this value will be ten times as
* high on ipv6 servers.
*/
-#define NATIVE_API_VERSION 11006
+#define NATIVE_API_VERSION 12000
#ifdef IPV6
#define API_VERSION (NATIVE_API_VERSION * 10)
#else
*/
class Module;
-/** Low level definition of a FileReader classes file cache area
+/** Low level definition of a FileReader classes file cache area -
+ * a text file seperated into lines.
*/
typedef std::deque<std::string> file_cache;
+
+/** A set of strings.
+ */
typedef file_cache string_list;
/** Holds a list of 'published features' for modules.
*/
typedef std::map<std::string,Module*> featurelist;
+/** Holds a list of modules which implement an interface
+ */
+typedef std::deque<Module*> modulelist;
+
+/** Holds a list of all modules which implement interfaces, by interface name
+ */
+typedef std::map<std::string, std::pair<int, modulelist> > interfacelist;
+
/**
* This #define allows us to call a method in all
* loaded modules in a readable simple way, e.g.:
- * 'FOREACH_MOD(I_OnXonnwxr,OnConnect(user));'
+ * 'FOREACH_MOD(I_OnConnect,OnConnect(user));'
*/
#define FOREACH_MOD(y,x) if (ServerInstance->Config->global_implementation[y] > 0) { \
for (int _i = 0; _i <= ServerInstance->GetModuleCount(); _i++) { \
{ \
ServerInstance->modules[_i]->x ; \
} \
- catch (ModuleException& modexcept) \
+ catch (CoreException& modexcept) \
{ \
- ServerInstance->Log(DEBUG,"Module exception caught: %s",modexcept.GetReason()); \
+ 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->GetModuleCount(); _i++) { \
if (z->Config->implement_lists[_i][y]) \
{ \
z->modules[_i]->x ; \
} \
- catch (ModuleException& modexcept) \
+ catch (CoreException& modexcept) \
{ \
- z->Log(DEBUG,"Module exception caught: %s",modexcept.GetReason()); \
+ z->Log(DEFAULT,"Exception caught: %s",modexcept.GetReason()); \
} \
} \
}
/**
- * This define is similar to the one above but returns a result in MOD_RESULT.
+ * 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.
*/
break; \
} \
} \
- catch (ModuleException& modexcept) \
+ catch (CoreException& modexcept) \
{ \
- ServerInstance->Log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+ ServerInstance->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_I(z,y,x) { if (z->Config->global_implementation[y] > 0) { \
MOD_RESULT = 0; \
for (int _i = 0; _i <= z->GetModuleCount(); _i++) { \
break; \
} \
} \
- catch (ModuleException& modexcept) \
+ catch (CoreException& modexcept) \
{ \
- z->Log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); \
+ 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
-// useful macros
-
+/* 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
+/** 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:
+ /** Version numbers, build number, flags and API version
+ */
const int Major, Minor, Revision, Build, Flags, API;
+
+ /** Initialize version class
+ */
Version(int major, int minor, int revision, int build, int flags, int api_ver);
};
* This class is used to represent a basic data structure which is passed
* between modules for safe inter-module communications.
*/
-class ModuleMessage : public Extensible
+class CoreExport ModuleMessage : public Extensible
{
public:
+ /** Destructor
+ */
virtual ~ModuleMessage() {};
};
* 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
* 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
* 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 CoreExport CoreException : public std::exception
{
- private:
+ protected:
/** Holds the error message to be displayed
*/
- std::string err;
+ const std::string err;
+ /** Source of the exception
+ */
+ 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.
*/
{
return err.c_str();
}
+
+ virtual const char* GetSource()
+ {
+ return source.c_str();
+ }
+};
+
+class CoreExport ModuleException : public CoreException
+{
+ public:
+ /** Default constructor, just uses the error mesage 'Module threw an exception'.
+ */
+ ModuleException() : CoreException("Module threw an exception", "A Module") {}
+
+ /** This constructor can be used to specify an error message before throwing.
+ */
+ ModuleException(const std::string &message) : CoreException(message, "A Module") {}
+ /** This destructor solves world hunger, cancels the world debt, and causes the world to end.
+ * Actually no, it does nothing. Never mind.
+ * @throws Nothing!
+ */
+ virtual ~ModuleException() throw() {};
};
/** Priority types which can be returned from Module::Prioritize()
I_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_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,
* 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 module to be initialised.
*/
-class Module : public Extensible
+class CoreExport Module : public Extensible
{
protected:
+ /** Creator/owner pointer
+ */
InspIRCd* ServerInstance;
public:
- /** Default constructor
+ /** 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(InspIRCd* Me);
- /** Default destructor
+ /** Default destructor.
* destroys a module class
*/
virtual ~Module();
* 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
* 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
* @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
* @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
/** 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(chanrec* chan, CUList &exempt_list);
+ virtual void OnBuildExemptList(MessageType message_type, chanrec* chan, userrec* sender, char status, CUList &exempt_list);
/** Called before any nickchange, local or remote. This can be used to implement Q-lines etc.
* Please note that although you can see remote nickchanges through this function, you should
* @param 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
* @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
* 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.
* @param dest The user being killed
* @param reason The kill reason
*/
- virtual void OnRemoteKill(userrec* source, userrec* dest, const std::string &reason);
+ virtual void OnRemoteKill(userrec* source, userrec* 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,
* to do nothing.
* @param password The oper's password
* @param input The password entered
- * @return 1 to match the passwords, 0 to do nothing
+ * @param tagnumber The tag number (from the configuration file) of this oper's tag
+ * @return 1 to match the passwords, 0 to do nothing. -1 to not match, and not continue.
*/
- virtual int OnOperCompare(const std::string &password, const std::string &input);
+ virtual int OnOperCompare(const std::string &password, const std::string &input, int tagnumber);
/** Called whenever a user is given usermode +o, anywhere on the network.
* You cannot override this and prevent it from happening as it is already happened and
*/
virtual void OnRawSocketClose(int fd);
+ /** Called immediately upon connection of an outbound InspSocket 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.
/** 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.
+ * @param user The user setting away
*/
virtual void OnSetAway(userrec* user);
/** Called when a user cancels their away state.
+ * @param user The user returning from away
*/
virtual void OnCancelAway(userrec* user);
* 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(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
* 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);
};
* 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;
* (such as comments) stripped from it.
*/
ConfigDataHash* data;
- std::ostringstream* errorlog;;
/** Used to store errors
*/
- bool privatehash; // If we're using our own config data hash or not.
+ 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 method destroys the ConfigReader class.
*/
~ConfigReader();
+
/** Retrieves a value from the config file.
* This method retrieves a value from the config file. Where multiple copies of the tag
* exist in the config file, index indicates which of the values to retrieve.
*/
- std::string ReadValue(const std::string &tag, const std::string &name, int index);
+ std::string ReadValue(const std::string &tag, const std::string &name, int index, bool allow_linefeeds = false);
+ /** Retrieves a value from the config file.
+ * This method retrieves a value from the config file. Where multiple copies of the tag
+ * exist in the config file, index indicates which of the values to retrieve. If the
+ * tag is not found the default value is returned instead.
+ */
+ std::string ReadValue(const std::string &tag, const std::string &name, const std::string &default_value, int index, bool allow_linefeeds = false);
+
/** Retrieves a boolean value from the config file.
* This method retrieves a boolean value from the config file. Where multiple copies of the tag
* exist in the config file, index indicates which of the values to retrieve. The values "1", "yes"
* and "true" in the config file count as true to ReadFlag, and any other value counts as false.
*/
bool ReadFlag(const std::string &tag, const std::string &name, int index);
+ /** Retrieves a boolean value from the config file.
+ * This method retrieves a boolean value from the config file. Where multiple copies of the tag
+ * exist in the config file, index indicates which of the values to retrieve. The values "1", "yes"
+ * and "true" in the config file count as true to ReadFlag, and any other value counts as false.
+ * If the tag is not found, the default value is used instead.
+ */
+ bool ReadFlag(const std::string &tag, const std::string &name, const std::string &default_value, int index);
+
/** Retrieves an integer value from the config file.
* This method retrieves an integer value from the config file. Where multiple copies of the tag
* exist in the config file, index indicates which of the values to retrieve. Any invalid integer
* will return CONF_NOT_UNSIGNED
*/
long ReadInteger(const std::string &tag, const std::string &name, int index, bool needs_unsigned);
+ /** Retrieves an integer value from the config file.
+ * This method retrieves an integer value from the config file. Where multiple copies of the tag
+ * exist in the config file, index indicates which of the values to retrieve. Any invalid integer
+ * values in the tag will cause the objects error value to be set, and any call to GetError() will
+ * return CONF_INVALID_NUMBER to be returned. needs_unsigned is set if the number must be unsigned.
+ * If a signed number is placed into a tag which is specified unsigned, 0 will be returned and GetError()
+ * will return CONF_NOT_UNSIGNED. If the tag is not found, the default value is used instead.
+ */
+ long ReadInteger(const std::string &tag, const std::string &name, const std::string &default_value, int index, bool needs_unsigned);
+
/** Returns the last error to occur.
* Valid errors can be found by looking in modules.h. Any nonzero value indicates an error condition.
* A call to GetError() resets the error flag back to 0.
* 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
{
InspIRCd* ServerInstance;
/** The file contents
*/
file_cache fc;
+ /** Content size in bytes
+ */
unsigned long contentsize;
+ /** Calculate content size in bytes
+ */
void CalcSize();
public:
* In most cases, the simple class shown in the example module m_foobar.so will suffice for most
* modules.
*/
-class ModuleFactory : public classbase
+class CoreExport ModuleFactory : public classbase
{
public:
/** The default constructor does nothing.
*/
typedef std::vector<ircd_module*> FactoryList;
+/** 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) \
+ class Factory : public ModuleFactory \
+ { \
+ public: \
+ virtual Module * CreateModule(InspIRCd* Me) \
+ { \
+ return new y(Me); \
+ } \
+ }; \
+ extern "C" DllExport void * init_module(void) \
+ { \
+ return new Factory; \
+ }
+
#endif
+