#define SPARSE 40
#define NONE 50
+#define MT_CHANNEL 1
+#define MT_CLIENT 2
+#define MT_SERVER 3
+
#include "dynamic.h"
#include "base.h"
+#include "ctables.h"
#include <string>
#include <deque>
+#include <sstream>
/** Low level definition of a FileReader classes file cache area
*/
-typedef deque<string> file_cache;
+typedef std::deque<std::string> file_cache;
+typedef file_cache string_list;
// This #define allows us to call a method in all
#define FOREACH_MOD for (int i = 0; i <= MODCOUNT; i++) modules[i]->
+// 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(x) { MOD_RESULT = 0; \
+ for (int i = 0; i <= MODCOUNT; i++) { \
+ int res = modules[i]->x ; \
+ if (res) { \
+ MOD_RESULT = res; \
+ break; \
+ } \
+ } \
+ }
+
+// *********************************************************************************************
+
+extern void createcommand(char* cmd, handlerfunc f, char flags, int minparams);
+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)
Version(int major, int minor, int revision, int build);
};
-
/** 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
class Admin : public classbase
{
public:
- const string Name, Email, Nick;
- Admin(string name,string email,string nick);
+ const std::string Name, Email, Nick;
+ Admin(std::string name, std::string email, std::string nick);
};
/** Base class for all InspIRCd modules
class Module : public classbase
{
public:
+
/** Default constructor
* creates a module class
*/
Module();
+
/** Default destructor
* destroys a module class
*/
virtual ~Module();
+
/** Returns the version number of a Module.
* The method should return a Version object with its version information assigned via
* Version::Version
*/
virtual Version GetVersion();
+
/** Called when a user connects.
* The details of the connecting user are available to you in the parameter userrec *user
*/
virtual void OnUserConnect(userrec* user);
+
/** Called when a user quits.
* The details of the exiting user are available to you in the parameter userrec *user
*/
virtual void OnUserQuit(userrec* user);
+
/** Called when a user joins a channel.
* The details of the joining user are available to you in the parameter userrec *user,
* and the details of the channel they have joined is available in the variable chanrec *channel
*/
virtual void OnUserJoin(userrec* user, chanrec* channel);
+
/** Called when a user parts a channel.
* The details of the leaving user are available to you in the parameter userrec *user,
* and the details of the channel they have left is available in the variable chanrec *channel
*/
virtual void OnUserPart(userrec* user, chanrec* channel);
+ /** Called before a packet is transmitted across the irc network between two irc servers.
+ * The packet is represented as a char*, as it should be regarded as a buffer, and not a string.
+ * This allows you to easily represent it in the correct ways to implement encryption, compression,
+ * digital signatures and anything else you may want to add. This should be regarded as a pre-processor
+ * and will be called before ANY other operations within the ircd core program.
+ */
+ virtual void OnPacketTransmit(char *p);
- virtual void Module::OnPacketTransmit(char *p);
- virtual void Module::OnPacketReceive(char *p);
+ /** Called after a packet is received from another irc server.
+ * The packet is represented as a char*, as it should be regarded as a buffer, and not a string.
+ * This allows you to easily represent it in the correct ways to implement encryption, compression,
+ * digital signatures and anything else you may want to add. This should be regarded as a pre-processor
+ * and will be called immediately after the packet is received but before any other operations with the
+ * core of the ircd.
+ */
+ virtual void OnPacketReceive(char *p);
+
+ /** 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.
+ */
virtual void OnRehash();
+ /** Called when a raw command is transmitted or received.
+ * This method is the lowest level of handler available to a module. It will be called with raw
+ * data which is passing through a connected socket. If you wish, you may munge this data by changing
+ * the string parameter "raw". If you do this, after your function exits it will immediately be
+ * cut down to 510 characters plus a carriage return and linefeed. For INBOUND messages only (where
+ * inbound is set to true) the value of user will be the userrec of the connection sending the
+ * data. This is not possible for outbound data because the data may be being routed to multiple targets.
+ */
+ 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.
+ */
+ virtual bool 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 any nonzero value from this function stops the process immediately, causing no
+ * output to be sent to the user by the core. If you do this you must produce your own numerics,
+ * notices etc. This is useful for modules which may want to mimic +b, +k, +l etc.
+ *
+ * IMPORTANT NOTE!
+ *
+ * If the user joins a NEW channel which does not exist yet, OnUserPreJoin will be called BEFORE the channel
+ * record is created. This will cause chanrec* chan to be NULL. There is very little you can do in form of
+ * processing on the actual channel record at this point, however the channel NAME will still be passed in
+ * char* cname, so that you could for example implement a channel blacklist or whitelist, etc.
+ */
+ virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname);
+
+
+ /** Called whenever a user opers locally.
+ * The userrec will contain the oper mode 'o' as this function is called after any modifications
+ * are made to the user's structure by the core.
+ */
+ virtual void OnOper(userrec* user);
+
+ /** Called whenever a user types /INFO.
+ * The userrec will contain the information of the user who typed the command. Modules may use this
+ * method to output their own credits in /INFO (which is the ircd's version of an about box).
+ * It is purposefully not possible to modify any info that has already been output, or halt the list.
+ * You must write a 371 numeric to the user, containing your info in the following format:
+ *
+ * <nick> :information here
+ */
+ virtual void OnInfo(userrec* user);
+
+ /** Called whenever a /WHOIS is performed on a local user.
+ * The source parameter contains the details of the user who issued the WHOIS command, and
+ * the dest parameter contains the information of the user they are whoising.
+ */
+ virtual void OnWhois(userrec* source, userrec* dest);
+
+ /** Called whenever a user is about to PRIVMSG A user or a channel, before any processing is done.
+ * Returning any nonzero value from this function stops the process immediately, causing no
+ * output to be sent to the user by the core. If you do this you must produce your own numerics,
+ * notices etc. This is useful for modules which may want to filter or redirect messages.
+ * target_type can be one of TYPE_USER or TYPE_CHANNEL. If the target_type value is a user,
+ * you must cast dest to a userrec* otherwise you must cast it to a chanrec*, this is the details
+ * of where the message is destined to be sent.
+ */
+ virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string text);
+
+ /** Called whenever a user is about to NOTICE A user or a channel, before any processing is done.
+ * Returning any nonzero value from this function stops the process immediately, causing no
+ * output to be sent to the user by the core. If you do this you must produce your own numerics,
+ * notices etc. This is useful for modules which may want to filter or redirect messages.
+ * target_type can be one of TYPE_USER or TYPE_CHANNEL. If the target_type value is a user,
+ * you must cast dest to a userrec* otherwise you must cast it to a chanrec*, this is the details
+ * of where the message is destined to be sent.
+ */
+ virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string text);
+
+ /** Called before any nickchange, local or remote. This can be used to implement Q-lines etc.
+ * Please note that although you can see remote nickchanges through this function, you should
+ * NOT make any changes to the userrec if the user is a remote user as this may cause a desnyc.
+ * check user->server before taking any action (including returning nonzero from the method).
+ * If your method returns nonzero, the nickchange is silently forbidden, and it is down to your
+ * module to generate some meaninful output.
+ */
+ virtual int OnUserPreNick(userrec* user, std::string newnick);
};
/** Sends text to all opers.
* This method sends a server notice to all opers with the usermode +s.
*/
- virtual void SendOpers(string s);
+ virtual void SendOpers(std::string s);
/** Writes a log string.
* This method writes a line of text to the log. If the level given is lower than the
* level given in the configuration, this command has no effect.
*/
- virtual void Log(int level, string s);
+ virtual void Log(int level, std::string s);
/** Sends a line of text down a TCP/IP socket.
* This method writes a line of text to an established socket, cutting it to 510 characters
* plus a carriage return and linefeed if required.
*/
- virtual void Send(int Socket, string s);
+ virtual void Send(int Socket, std::string s);
/** Sends text from the server to a socket.
* This method writes a line of text to an established socket, with the servername prepended
* as used by numerics (see RFC 1459)
*/
- virtual void SendServ(int Socket, string s);
+ virtual void SendServ(int Socket, std::string s);
/** 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, string s);
+ virtual void SendFrom(int Socket, userrec* User, std::string s);
/** Sends text from a user to another user.
* This method writes a line of text to a user, with a user's nick/ident
* /host combination prepended, as used in PRIVMSG etc commands (see RFC 1459)
- */
- virtual void SendTo(userrec* Source, userrec* Dest, string s);
+ * If you specify NULL as the source, then the data will originate from the
+ * local server, e.g. instead of:
+ *
+ * :user!ident@host TEXT
+ *
+ * The format will become:
+ *
+ * :localserver TEXT
+ *
+ * Which is useful for numerics and server notices to single users, etc.
+ */
+ virtual void SendTo(userrec* Source, userrec* Dest, std::string s);
/** Sends text from a user to a channel (mulicast).
* This method writes a line of text to a channel, with the given user's nick/ident
* /host combination prepended, as used in PRIVMSG etc commands (see RFC 1459). If the
* IncludeSender flag is set, then the text is also sent back to the user from which
* it originated, as seen in MODE (see RFC 1459).
*/
- virtual void SendChannel(userrec* User, chanrec* Channel, string s,bool IncludeSender);
+ virtual void SendChannel(userrec* User, chanrec* Channel, std::string s,bool IncludeSender);
/** Returns true if two users share a common channel.
* This method is used internally by the NICK and QUIT commands, and the Server::SendCommon
* method.
* 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, string text,bool IncludeSender);
+ virtual void SendCommon(userrec* User, std::string text,bool IncludeSender);
/** Sends a WALLOPS message.
* This method writes a WALLOPS message to all users with the +w flag, originating from the
* specified user.
*/
- virtual void SendWallops(userrec* User, string text);
+ virtual void SendWallops(userrec* User, std::string text);
/** Returns true if a nick is valid.
* Nicks for unregistered connections will return false.
*/
- virtual bool IsNick(string nick);
+ virtual bool IsNick(std::string nick);
+ /** Returns a count of the number of users on a channel.
+ * This will NEVER be 0, as if the chanrec exists, it will have at least one user in the channel.
+ */
+ virtual int CountUsers(chanrec* c);
/** Attempts to look up a nick and return a pointer to it.
* This function will return NULL if the nick does not exist.
*/
- virtual userrec* FindNick(string nick);
+ virtual userrec* FindNick(std::string nick);
/** Attempts to look up a channel and return a pointer to it.
* This function will return NULL if the channel does not exist.
*/
- virtual chanrec* FindChannel(string channel);
+ virtual chanrec* FindChannel(std::string channel);
/** Attempts to look up a user's privilages on a channel.
* This function will return a string containing either @, %, +, or an empty string,
* representing the user's privilages upon the channel you specify.
*/
- virtual string ChanMode(userrec* User, chanrec* Chan);
+ virtual std::string ChanMode(userrec* User, chanrec* Chan);
/** Returns the server name of the server where the module is loaded.
*/
- virtual string GetServerName();
+ virtual std::string GetServerName();
/** Returns the network name, global to all linked servers.
*/
- virtual string GetNetworkName();
+ virtual std::string GetNetworkName();
/** Returns the information of the server as returned by the /ADMIN command.
* See the Admin class for further information of the return value. The members
* Admin::Nick, Admin::Email and Admin::Name contain the information for the
* server where the module is loaded.
*/
virtual Admin GetAdmin();
+ /** Adds an extended mode letter which is parsed by a module
+ * This allows modules to add extra mode letters, e.g. +x for hostcloak.
+ * the "type" parameter is either MT_CHANNEL, MT_CLIENT, or MT_SERVER, to
+ * indicate wether the mode is a channel mode, a client mode, or a server mode.
+ * requires_oper is used with MT_CLIENT type modes only to indicate the mode can only
+ * be set or unset by an oper. If this is used for MT_CHANNEL type modes it is ignored.
+ * params_when_on is the number of modes to expect when the mode is turned on
+ * (for type MT_CHANNEL only), e.g. with mode +k, this would have a value of 1.
+ * the params_when_off value has a similar value to params_when_on, except it indicates
+ * the number of parameters to expect when the mode is disabled. Modes which act in a similar
+ * way to channel mode +l (e.g. require a parameter to enable, but not to disable) should
+ * use this parameter. The function returns false if the mode is unavailable, and will not
+ * attempt to allocate another character, as this will confuse users. This also means that
+ * as only one module can claim a specific mode character, the core does not need to keep track
+ * of which modules own which modes, which speeds up operation of the server. In this version,
+ * a mode can have at most one parameter, attempting to use more parameters will have undefined
+ * effects.
+ */
+ virtual bool AddExtendedMode(char modechar, int type, bool requires_oper, int params_when_on, int params_when_off);
+
+ /** Adds a command to the command table.
+ * This allows modules to add extra commands into the command table. You must place a function within your
+ * module which is is of type handlerfunc:
+ *
+ * typedef void (handlerfunc) (char**, int, userrec*);
+ * ...
+ * void handle_kill(char **parameters, int pcnt, userrec *user)
+ *
+ * When the command is typed, the parameters will be placed into the parameters array (similar to argv) and
+ * the parameter count will be placed into pcnt (similar to argv). There will never be any less parameters
+ * than the 'minparams' value you specified when creating the command. The *user parameter is the class of
+ * the user which caused the command to trigger, who will always have the flag you specified in 'flags' when
+ * creating the initial command. For example to create an oper only command create the commands with flags='o'.
+ */
+ virtual void AddCommand(char* cmd, handlerfunc f, char flags, int minparams);
+ /** Sends a servermode.
+ * you must format the parameters array with the target, modes and parameters for those modes.
+ *
+ * For example:
+ *
+ * char *modes[3];
+ *
+ * modes[0] = ChannelName;
+ *
+ * modes[1] = "+o";
+ *
+ * modes[2] = user->nick;
+ *
+ * Srv->SendMode(modes,3,user);
+ *
+ * The modes will originate from the server where the command was issued, however responses (e.g. numerics)
+ * will be sent to the user you provide as the third parameter.
+ * You must be sure to get the number of parameters correct in the pcnt parameter otherwise you could leave
+ * your server in an unstable state!
+ */
+
+ virtual void SendMode(char **parameters, int pcnt, userrec *user);
+
+ /** Sends to all users matching a mode mask
+ * You must specify one or more usermodes as the first parameter. These can be RFC specified modes such as +i,
+ * or module provided modes, including ones provided by your own module.
+ * In the second parameter you must place a flag value which indicates wether the modes you have given will be
+ * logically ANDed or OR'ed. You may use one of either WM_AND or WM_OR.
+ * for example, if you were to use:
+ *
+ * Serv->SendToModeMask("xi", WM_OR, "m00");
+ *
+ * Then the text 'm00' will be sent to all users with EITHER mode x or i. Conversely if you used WM_AND, the
+ * user must have both modes set to receive the message.
+ */
+ virtual void SendToModeMask(std::string modes, int flags, std::string text);
+
+ /** Forces a user to join a channel.
+ * This is similar to svsjoin and can be used to implement redirection, etc.
+ * On success, the return value is a valid pointer to a chanrec* of the channel the user was joined to.
+ * On failure, the result is NULL.
+ */
+ virtual chanrec* JoinUserToChannel(userrec* user, std::string cname, std::string key);
+
+ /** Forces a user to part a channel.
+ * This is similar to svspart and can be used to implement redirection, etc.
+ * Although the return value of this function is a pointer to a channel record, the returned data is
+ * undefined and should not be read or written to. This behaviour may be changed in a future version.
+ */
+ virtual chanrec* PartUserFromChannel(userrec* user, std::string cname, std::string reason);
+
+ /** Forces a user nickchange.
+ * This command works similarly to SVSNICK, and can be used to implement Q-lines etc.
+ * If you specify an invalid nickname, the nick change will be dropped and the target user will receive
+ * the error numeric for it.
+ */
+ virtual void ChangeUserNick(userrec* user, std::string nickname);
+
+ /** Forces a user to quit with the specified reason.
+ * To the user, it will appear as if they typed /QUIT themselves, except for the fact that this function
+ * may bypass the quit prefix specified in the config file.
+ *
+ * WARNING!
+ *
+ * Once you call this function, userrec* user will immediately become INVALID. You MUST NOT write to, or
+ * read from this pointer after calling the QuitUser method UNDER ANY CIRCUMSTANCES! The best course of
+ * action after calling this method is to immediately bail from your handler.
+ */
+ virtual void QuitUser(userrec* user, std::string reason);
+
+ /** Matches text against a glob pattern.
+ * Uses the ircd's internal matching function to match string against a globbing pattern, e.g. *!*@*.com
+ * Returns true if the literal successfully matches the pattern, false if otherwise.
+ */
+ virtual bool MatchText(std::string sliteral, std::string spattern);
+
+ /** Calls the handler for a command, either implemented by the core or by another module.
+ * You can use this function to trigger other commands in the ircd, such as PRIVMSG, JOIN,
+ * KICK etc, or even as a method of callback. By defining command names that are untypeable
+ * for users on irc (e.g. those which contain a \r or \n) you may use them as callback identifiers.
+ * The first parameter to this method is the name of the command handler you wish to call, e.g.
+ * PRIVMSG. This will be a command handler previously registered by the core or wih AddCommand().
+ * The second parameter is an array of parameters, and the third parameter is a count of parameters
+ * in the array. If you do not pass enough parameters to meet the minimum needed by the handler, the
+ * functiom will silently ignore it. The final parameter is the user executing the command handler,
+ * used for privilage checks, etc.
+ */
+ virtual void CallCommandHandler(std::string commandname, char** parameters, int pcnt, userrec* user);
+
+ /** Change displayed hostname of a user.
+ * You should always call this method to change a user's host rather than writing directly to the
+ * dhost member of userrec, as any change applied via this method will be propogated to any
+ * linked servers.
+ */
+ virtual void ChangeHost(userrec* user, std::string host);
+
+ /** Change GECOS (fullname) of a user.
+ * You should always call this method to change a user's GECOS rather than writing directly to the
+ * fullname member of userrec, as any change applied via this method will be propogated to any
+ * linked servers.
+ */
+ virtual void ChangeGECOS(userrec* user, std::string gecos);
+
+ /** Returns true if the servername you give is ulined.
+ * ULined servers have extra privilages. They are allowed to change nicknames on remote servers,
+ * change modes of clients which are on remote servers and set modes of channels where there are
+ * no channel operators for that channel on the ulined server, amongst other things. Ulined server
+ * data is also broadcast across the mesh at all times as opposed to selectively messaged in the
+ * case of normal servers, as many ulined server types (such as services) do not support meshed
+ * links and must operate in this manner.
+ */
+ virtual bool IsUlined(std::string server);
};
/** Allows reading of values from configuration files
class ConfigReader : public classbase
{
protected:
- /** The filename of the configuration file, as set by the constructor.
+ /** The contents of the configuration file
+ * This protected member should never be accessed by a module (and cannot be accessed unless the
+ * core is changed). It will contain a pointer to the configuration file data with unneeded data
+ * (such as comments) stripped from it.
*/
- string fname;
+ std::stringstream *cache;
+ /** Used to store errors
+ */
+ bool error;
+
public:
/** Default constructor.
* This constructor initialises the ConfigReader class to read the inspircd.conf file
/** Overloaded constructor.
* This constructor initialises the ConfigReader class to read a user-specified config file
*/
- ConfigReader(string filename); // read a module-specific config
+ ConfigReader(std::string filename); // read a module-specific config
/** Default destructor.
* This method destroys the ConfigReader class.
*/
* 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.
*/
- string ReadValue(string tag, string name, int index);
+ std::string ReadValue(std::string tag, std::string name, int index);
/** 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
* used with the index value of ConfigReader::ReadValue to loop through all copies of a
* multiple instance tag.
*/
- int Enumerate(string tag);
+ int Enumerate(std::string tag);
/** Returns true if a config file is valid.
- * This method is unimplemented and will always return true.
+ * This method is partially implemented and will only return false if the config
+ * file does not exist or could not be opened.
*/
bool Verify();
+
+ /** Returns the number of items within a tag.
+ * For example if the tag was <test tag="blah" data="foo"> then this
+ * function would return 2. Spaces and newlines both qualify as valid seperators
+ * between values.
+ */
+ int EnumerateValues(std::string tag, int index);
};
* 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(string filename);
+ FileReader(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(string filename);
+ void LoadFile(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.
*/
- string GetLine(int x);
+ 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
projects / user / henk / code / inspircd.git / blobdiff