#include "mode.h"
#include "dns.h"
-class XLine;
-
/** Used to define a set of behavior bits for a module
*/
enum ModuleFlags {
VF_NONE = 0, // module is not special at all
VF_STATIC = 1, // module is static, cannot be /unloadmodule'd
VF_VENDOR = 2, // module is a vendor module (came in the original tarball, not 3rd party)
- VF_SERVICEPROVIDER = 4, // module provides a service to other modules (can be a dependency)
- VF_COMMON = 8, // module needs to be common on all servers in a network to link
- VF_OPTCOMMON = 16 // module should be common on all servers for unsurprising behavior
-};
-
-/** Used with SendToMode()
- */
-enum WriteModeFlags {
- WM_AND = 1,
- WM_OR = 2
+ VF_COMMON = 4, // module needs to be common on all servers in a network to link
+ VF_OPTCOMMON = 8, // module should be common on all servers for unsurprising behavior
+ VF_CORE = 16 // module is a core command, can be assumed loaded on all servers
};
/** Used to represent an event type, for user, channel or server
int res;
ModResult() : res(0) {}
explicit ModResult(int r) : res(r) {}
- bool operator==(const ModResult& r) const
+ inline bool operator==(const ModResult& r) const
{
return res == r.res;
}
- bool operator!=(const ModResult& r) const
+ inline bool operator!=(const ModResult& r) const
{
return res != r.res;
}
- bool operator!() const
+ inline bool operator!() const
{
return !res;
}
- bool check(bool def) const
+ inline bool check(bool def) const
{
return (res == 1 || (res == 0 && def));
}
/**
* Merges two results, preferring ALLOW to DENY
*/
- ModResult operator+(const ModResult& r) const
+ inline ModResult operator+(const ModResult& r) const
{
if (res == r.res || r.res == 0)
return *this;
}
};
-/** If you change the module API, change this value. */
-#define API_VERSION 13000
-
-class ServerConfig;
-
-/* Forward-delacare module for ModuleMessage etc
- */
-class Module;
-class InspIRCd;
-
-/** 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
+/** If you change the module API in any way, increment this value.
+ * This MUST be a pure integer, with no parenthesis
*/
-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;
+#define API_VERSION 137
/**
* This #define allows us to call a method in all
WHILE_EACH_HOOK(n); \
} while (0)
-/** Represents a non-local user.
- * (in fact, any FD less than -1 does)
- */
-#define FD_MAGIC_NUMBER -42
-/** Represents a fake user (i.e. a server)
- */
-#define FD_FAKEUSER_NUMBER -7
-
-/* Useful macros */
-
-/** Is a local user */
-#define IS_LOCAL(x) (x->GetFd() > -1)
-/** Is a remote user */
-#define IS_REMOTE(x) (x->GetFd() < 0)
-/** Is a fake user */
-#define IS_SERVER(x) (x->GetFd() == FD_FAKEUSER_NUMBER)
-/** Is a module created user */
-#define IS_MODULE_CREATED(x) (x->GetFd() == FD_MAGIC_NUMBER)
-/** Is an oper */
-#define IS_OPER(x) (!x->oper.empty())
-/** Is away */
-#define IS_AWAY(x) (!x->awaymsg.empty())
-
/** 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.
+ * The 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 core provides only one implementation of the template, causing a run-time linking
+ * error when attempting to load a module compiled against a different API_VERSION.
*/
-class CoreExport Version : public classbase
+template<int api>
+class CoreExport VersionBase
{
public:
/** Module description
*/
const std::string version;
- /** Flags and API version
+ /** Flags
*/
- const int Flags, API;
+ const int Flags;
/** Initialize version class
*/
- Version(const std::string &desc, int flags,
- int api_ver = API_VERSION, const std::string& src_rev = VERSION " r" REVISION);
+ VersionBase(const std::string &desc, int flags = VF_NONE, const std::string& src_rev = VERSION " r" REVISION);
};
-/** The ModuleMessage class is the base class of Request and Event
- * This class is used to represent a basic data structure which is passed
- * between modules for safe inter-module communications.
- */
-class CoreExport ModuleMessage : public Extensible
-{
- public:
- /** Destructor
- */
- virtual ~ModuleMessage() {};
-};
+typedef VersionBase<API_VERSION> Version;
/** The Request class is a unicast message directed at a given module.
* When this class is properly instantiated it may be sent to a module
* using the Send() method, which will call the given module's OnRequest
* method with this class as its parameter.
*/
-class CoreExport Request : public ModuleMessage
+class CoreExport Request : public classbase
{
- protected:
- /** This member holds a pointer to arbitary data set by the emitter of the message
- */
- char* data;
+ public:
/** 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;
+ const char* const id;
/** This is a pointer to the sender of the message, which can be used to
* directly trigger events, or to create a reply.
*/
- Module* source;
+ ModuleRef source;
/** The single destination of the Request
*/
- 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);
+ ModuleRef dest;
+
/** 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<>()
+ * what to cast it back to and the other end.
*/
Request(Module* src, Module* dst, const char* idstr);
- /** Fetch the Request data
- */
- char* GetData();
- /** Fetch the ID string
- */
- const char* GetId();
- /** Fetch the request source
- */
- Module* GetSource();
- /** Fetch the request destination (should be 'this' in the receiving module)
- */
- Module* GetDest();
/** Send the Request.
- * Upon returning the result will be arbitary data returned by the module you
- * sent the request to. It is up to your module to know what this data is and
- * how to deal with it.
*/
- const char* Send();
+ void Send();
};
* using the Send() method, which will trigger the OnEvent method in
* all modules passing the object as its parameter.
*/
-class CoreExport Event : public ModuleMessage
+class CoreExport Event : public classbase
{
- protected:
- /** This member holds a pointer to arbitary data set by the emitter of the message
- */
- char* data;
+ public:
/** This is a pointer to the sender of the message, which can be used to
* directly trigger events, or to create a reply.
*/
- Module* source;
+ ModuleRef source;
/** The event identifier.
* This is arbitary text which should be used to distinguish
* one type of event from another.
*/
- std::string id;
- public:
+ const std::string id;
+
/** Create a new Event
*/
- Event(char* anydata, Module* src, const std::string &eventid);
- /** Get the Event data
- */
- char* GetData();
- /** Get the event Source
- */
- Module* GetSource();
- /** Get the event ID.
- * Use this to determine the event type for safe casting of the data
- */
- std::string GetEventID();
+ Event(Module* src, const std::string &eventid);
/** Send the Event.
* The return result of an Event::Send() will always be NULL as
* no replies are expected.
*/
- char* Send();
+ void Send();
};
-/** Priority types which can be returned from Module::Prioritize()
+/** Priority types which can be used by Module::Prioritize()
*/
enum Priority { PRIORITY_FIRST, PRIORITY_DONTCARE, PRIORITY_LAST, PRIORITY_BEFORE, PRIORITY_AFTER };
I_OnSendSnotice, 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_OnDecodeMetaData, I_OnWallops,
- I_OnChangeHost, I_OnChangeName, I_OnAddLine, I_OnDelLine, I_OnExpireLine, I_OnCleanup,
+ I_OnSyncChannel, I_OnDecodeMetaData, I_OnWallops, I_OnAcceptConnection,
+ I_OnChangeHost, I_OnChangeName, I_OnAddLine, I_OnDelLine, I_OnExpireLine,
I_OnUserPostNick, I_OnPreMode, I_On005Numeric, I_OnKill, I_OnRemoteKill, I_OnLoadModule,
I_OnUnloadModule, I_OnBackgroundTimer, I_OnPreCommand, I_OnCheckReady, I_OnCheckInvite,
I_OnRawMode, I_OnCheckKey, I_OnCheckLimit, I_OnCheckBan, I_OnCheckChannelBan, I_OnExtBanCheck,
- I_OnStats, I_OnChangeLocalUserHost, I_OnChangeLocalUserGecos, I_OnPreTopicChange,
- I_OnPostTopicChange, I_OnEvent, I_OnRequest, I_OnGlobalOper, I_OnPostConnect, I_OnAddBan,
+ I_OnStats, I_OnChangeLocalUserHost, I_OnPreTopicChange,
+ I_OnPostTopicChange, I_OnEvent, I_OnGlobalOper, I_OnPostConnect, I_OnAddBan,
I_OnDelBan, I_OnChangeLocalUserGECOS, I_OnUserRegister, I_OnChannelPreDelete, I_OnChannelDelete,
I_OnPostOper, I_OnSyncNetwork, I_OnSetAway, I_OnUserList, I_OnPostCommand, I_OnPostJoin,
- I_OnWhoisLine, I_OnBuildExemptList, I_OnGarbageCollect, I_OnBufferFlushed,
+ I_OnWhoisLine, I_OnBuildNeighborList, I_OnGarbageCollect,
I_OnText, I_OnPassCompare, I_OnRunTestSuite, I_OnNamesListItem, I_OnNumeric, I_OnHookIO,
- I_OnHostCycle, I_OnPreRehash, I_OnModuleRehash, I_OnSendWhoLine, I_OnChangeIdent,
+ I_OnPreRehash, I_OnModuleRehash, I_OnSendWhoLine, I_OnChangeIdent, I_OnChannelRestrictionApply,
I_END
};
-class ConfigReader;
-
/** 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 CoreExport Module : public Extensible
+class CoreExport Module : public classbase, public usecountbase
{
public:
/** File that this module was loaded from
*/
std::string ModuleSourceFile;
+ /** Reference to the dlopen() value
+ */
+ DLLManager* ModuleDLLManager;
/** Default constructor.
* Creates a module class.
*/
Module();
+ /** Clean up prior to destruction
+ * If you override, you must call this AFTER your module's cleanup
+ */
+ virtual CullResult cull();
+
/** Default destructor.
* destroys a module class
*/
* The details of the connecting user are available to you in the parameter User *user
* @param user The user who is connecting
*/
- virtual void OnUserConnect(User* user);
+ virtual void OnUserConnect(LocalUser* user);
/** Called when a user quits.
* The details of the exiting user are available to you in the parameter User *user
* which might assign resources to user, such as dns lookups, objects and sockets.
* @param user The user who is disconnecting
*/
- virtual void OnUserDisconnect(User* user);
+ virtual void OnUserDisconnect(LocalUser* user);
/** Called whenever a channel is about to be deleted
* @param chan The channel being deleted
*/
virtual ModResult OnUserPreNotice(User* user,void* dest,int target_type, std::string &text,char status, CUList &exempt_list);
- /** Called whenever the server wants to build the exemption list for a channel, but is not directly doing a PRIVMSG or NOTICE.
- * For example, the spanningtree protocol will call this event when passing a privmsg on (but not processing it directly).
- * @param message_type The message type, either MSG_PRIVMSG or MSG_NOTICE
- * @param chan The channel to build the exempt list of
- * @param sender The original sender of the PRIVMSG or NOTICE
- * @param status The status char to be used for the channel list
- * @param exempt_list The exempt list to be populated
- * @param text The original message text causing the exempt list to be built
+ /** Called when sending a message to all "neighbors" of a given user -
+ * that is, all users that share a common channel. This is used in
+ * commands such as NICK, QUIT, etc.
+ * @param source The source of the message
+ * @param include_c Channels to scan for users to include
+ * @param exceptions Map of user->bool that overrides the inclusion decision
+ *
+ * Set exceptions[user] = true to include, exceptions[user] = false to exclude
*/
- virtual void OnBuildExemptList(MessageType message_type, Channel* chan, User* sender, char status, CUList &exempt_list, const std::string &text);
+ virtual void OnBuildNeighborList(User* source, UserChanList &include_c, std::map<User*,bool> &exceptions);
/** 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
* absolutely neccessary (e.g. a module that extends the features of another
* module).
* @param mod A pointer to the new module
- * @param name The new module's filename
*/
- virtual void OnLoadModule(Module* mod,const std::string &name);
+ virtual void OnLoadModule(Module* mod);
/** Called whenever a module is unloaded.
* mod will contain a pointer to the module, and string will contain its name,
* @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);
+ virtual void OnUnloadModule(Module* mod);
/** Called once every five seconds for background processing.
* This timer can be used to control timed features. Its period is not accurate
* @param user The user to check
* @return true to indicate readiness, false if otherwise
*/
- virtual ModResult OnCheckReady(User* user);
+ virtual ModResult OnCheckReady(LocalUser* user);
/** Called whenever a user is about to register their connection (e.g. before the user
* is sent the MOTD etc). Modules can use this method if they are performing a function
* @param user The user registering
* @return 1 to indicate user quit, 0 to continue
*/
- virtual ModResult OnUserRegister(User* user);
+ virtual ModResult OnUserRegister(LocalUser* user);
/** Called whenever a user joins a channel, to determine if invite checks should go ahead or not.
* This method will always be called for each join, wether or not the channel is actually +i, and
* @param newhost The new hostname
* @return 1 to deny the host change, 0 to allow
*/
- virtual ModResult OnChangeLocalUserHost(User* user, const std::string &newhost);
+ virtual ModResult OnChangeLocalUserHost(LocalUser* user, const std::string &newhost);
/** Called whenever a change of a local users GECOS (fullname field) is attempted.
* return 1 to deny the name change, or 0 to allow it.
* @param newhost The new GECOS
* @return 1 to deny the GECOS change, 0 to allow
*/
- virtual ModResult OnChangeLocalUserGECOS(User* user, const std::string &newhost);
+ virtual ModResult OnChangeLocalUserGECOS(LocalUser* user, const std::string &newhost);
/** Called before a topic is changed.
* Return 1 to deny the topic change, 0 to check details on the change, -1 to let it through with no checks
*/
virtual void OnPostTopicChange(User* user, Channel* chan, const std::string &topic);
- /** Called whenever an Event class is sent to all module by another module.
- * Please see the documentation of Event::Send() for further information. The Event sent can
- * always be assumed to be non-NULL, you should *always* check the value of Event::GetEventID()
- * before doing anything to the event data, and you should *not* change the event data in any way!
+ /** Called whenever an Event class is sent to all modules by another module.
+ * You should *always* check the value of Event::id to determine the event type.
* @param event The Event class being received
*/
- virtual void OnEvent(Event* event);
+ virtual void OnEvent(Event& event);
/** Called whenever a Request class is sent to your module by another module.
- * Please see the documentation of Request::Send() for further information. The Request sent
- * can always be assumed to be non-NULL, you should not change the request object or its data.
- * Your method may return arbitary data in the char* result which the requesting module
- * may be able to use for pre-determined purposes (e.g. the results of an SQL query, etc).
+ * The value of Request::id should be used to determine the type of request.
* @param request The Request class being received
*/
- virtual const char* OnRequest(Request* request);
+ virtual void OnRequest(Request& request);
/** Called whenever a password check is to be made. Replaces the old OldOperCompare API.
* The password field (from the config file) is in 'password' and is to be compared against
* @param user The item to possibly install the I/O hook on
* @param via The port that <user> connected on
*/
- virtual void OnHookIO(StreamSocket*, ListenSocketBase* via);
+ virtual void OnHookIO(StreamSocket*, ListenSocket* via);
+
+ /** Called when a port accepts a connection
+ * Return MOD_RES_ACCEPT if you have used the file descriptor.
+ * @param fd The file descriptor returned from accept()
+ * @param from The local port the user connected to
+ * @param client The client IP address and port
+ * @param server The server IP address and port
+ */
+ virtual ModResult OnAcceptConnection(int fd, ListenSocket* from, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server);
/** Called immediately after any connection is accepted. This is intended for raw socket
* processing (e.g. modules which wrap the tcp connection within another library) and provides
*/
virtual void OnGarbageCollect();
- /** Called whenever a user's write buffer has been completely sent.
- * This is called when the user's write buffer is completely empty, and
- * there are no more pending bytes to be written and no pending write events
- * in the socket engine's queue. This may be used to refill the buffer with
- * data which is being spooled in a controlled manner, e.g. LIST lines.
- * @param user The user who's buffer is now empty.
- */
- virtual void OnBufferFlushed(User* user);
-
/** Add test suite hooks here. These are used for testing functionality of a module
* via the --testsuite debugging parameter.
*/
virtual ModResult OnNumeric(User* user, unsigned int numeric, const std::string &text);
- /** Called for every time the user's host or ident changes, to indicate wether or not the 'Changing host'
- * message should be sent, if enabled. Certain modules such as auditorium may opt to hide this message
- * even if it is enabled.
- */
- virtual ModResult OnHostCycle(User* user);
-
/** Called whenever a result from /WHO is about to be returned
* @param source The user running the /WHO query
* @param user The user that this line of the query is about
* @param line The raw line to send; modifiable, if empty no line will be returned.
*/
virtual void OnSendWhoLine(User* source, User* user, Channel* channel, std::string& line);
+
+ /** Called to check whether a channel restriction mode applies to a user on it
+ * @return MOD_RES_DENY to apply the restriction, MOD_RES_ALLOW to bypass
+ * the restriction, or MOD_RES_PASSTHRU to check restriction status normally
+ */
+ virtual ModResult OnChannelRestrictionApply(User* user, Channel* chan, const char* restriction);
};
* Constructing the class using one parameter allows you to specify a path to your own configuration
* file, otherwise, inspircd.conf is read.
*/
-class CoreExport ConfigReader : public classbase
+class CoreExport ConfigReader : public interfacebase
{
protected:
/** Error code
* A call to GetError() resets the error flag back to 0.
*/
long GetError();
+
/** Counts the number of times a given tag appears in the config file.
* This method counts the number of times a tag appears in a config file, for use where
* there are several tags of the same kind, e.g. with opers and connect types. It can be
* multiple instance tag.
*/
int Enumerate(const std::string &tag);
-
- /** Returns the number of items within a tag.
- * For example if the tag was <test tag="blah" data="foo"> then this
- * function would return 2. Spaces and newlines both qualify as valid seperators
- * between values.
- */
- int EnumerateValues(const std::string &tag, int index);
};
{
/** The file contents
*/
- file_cache fc;
+ std::vector<std::string> fc;
/** Content size in bytes
*/
int FileSize();
};
-/** A DLLFactory (designed to load shared objects) containing a
- * handle to a module's init_module() function. Unfortunately,
- * due to the design of shared object systems we must keep this
- * hanging around, as if we remove this handle, we remove the
- * shared object file from memory (!)
- */
-typedef DLLFactory<Module> ircd_module;
-
/** A list of modules
*/
typedef std::vector<Module*> IntModuleList;
/** ModuleManager takes care of all things module-related
* in the core.
*/
-class CoreExport ModuleManager : public classbase
+class CoreExport ModuleManager
{
private:
/** Holds a string describing the last module error to occur
/** List of loaded modules and shared object/dll handles
* keyed by module name
*/
- std::map<std::string, std::pair<ircd_module*, Module*> > Modules;
+ std::map<std::string, Module*> Modules;
enum {
PRIO_STATE_FIRST,
PRIO_STATE_AGAIN,
PRIO_STATE_LAST
} prioritizationState;
+
+ /** Internal unload module hook */
+ bool CanUnload(Module*);
public:
/** Event handler hooks.
*/
bool Load(const char* filename);
- /** Unload a given module file
- * @param filename The file to unload
- * @return True if the module was unloaded
+ /** Unload a given module file. Note that the module will not be
+ * completely gone until the cull list has finished processing.
+ *
+ * @return true on success; if false, LastError will give a reason
+ */
+ bool Unload(Module* module);
+
+ /** Run an asynchronous reload of the given module. When the reload is
+ * complete, the callback will be run with true if the reload succeeded
+ * and false if it did not.
*/
- bool Unload(const char* filename);
+ void Reload(Module* module, HandlerBase1<void, bool>* callback);
/** Called by the InspIRCd constructor to load all modules from the config file.
*/
void LoadAll();
+ void UnloadAll();
+ void DoSafeUnload(Module*);
/** Get the total number of currently loaded modules
* @return The number of loaded modules
const std::vector<std::string> GetAllModuleNames(int filter);
};
+/** Do not mess with these functions unless you know the C preprocessor
+ * well enough to explain why they are needed. The order is important.
+ */
+#define MODULE_INIT_STR MODULE_INIT_STR_FN_2(MODULE_INIT_SYM)
+#define MODULE_INIT_STR_FN_2(x) MODULE_INIT_STR_FN_1(x)
+#define MODULE_INIT_STR_FN_1(x) #x
+#define MODULE_INIT_SYM MODULE_INIT_SYM_FN_2(API_VERSION)
+#define MODULE_INIT_SYM_FN_2(x) MODULE_INIT_SYM_FN_1(x)
+#define MODULE_INIT_SYM_FN_1(x) inspircd_module_ ## x
+
/** 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.
#ifdef WINDOWS
#define MODULE_INIT(y) \
- extern "C" DllExport Module * init_module() \
+ extern "C" DllExport Module * MODULE_INIT_SYM() \
{ \
return new y; \
} \
#else
#define MODULE_INIT(y) \
- extern "C" DllExport Module * init_module() \
+ extern "C" DllExport Module * MODULE_INIT_SYM() \
{ \
return new y; \
}
projects / user / henk / code / inspircd.git / blobdiff