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unrealircd/include/modules.h
acidvegas 252e8547f4
Updated to 6.0.3
2022-04-03 11:09:29 -04:00

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/************************************************************************
* Unreal Internet Relay Chat Daemon, include/modules.h
* (C) Carsten V. Munk 2000 <stskeeps@tspre.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 1, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
#ifndef MODULES_H
#define MODULES_H
#include "types.h"
#define MAXCUSTOMHOOKS 30
#define MAXHOOKTYPES 150
#define MAXCALLBACKS 30
#define MAXEFUNCTIONS 128
#if defined(_WIN32)
#define MOD_EXTENSION "dll"
#define DLLFUNC _declspec(dllexport)
#define irc_dlopen(x,y) LoadLibrary(x)
#define irc_dlclose FreeLibrary
#define irc_dlsym(x,y,z) z = (void *)GetProcAddress(x,y)
#define irc_dlerror our_dlerror
#else
#define MOD_EXTENSION "so"
#define irc_dlopen dlopen
#define irc_dlclose dlclose
#if defined(UNDERSCORE)
#define irc_dlsym(x,y,z) z = obsd_dlsym(x,y)
#else
#define irc_dlsym(x,y,z) z = dlsym(x,y)
#endif
#define irc_dlerror dlerror
#define DLLFUNC
#endif
#define EVENT(x) void (x) (void *data)
/* Casts to int, void, void *, and char * function pointers */
#define TO_INTFUNC(x) (int (*)())(x)
#define TO_VOIDFUNC(x) (void (*)())(x)
#define TO_PVOIDFUNC(x) (void *(*)())(x)
#define TO_PCHARFUNC(x) (char *(*)())(x)
typedef struct Event Event;
typedef struct EventInfo EventInfo;
typedef struct Hook Hook;
typedef struct Hooktype Hooktype;
typedef struct Callback Callback;
typedef struct Efunction Efunction;
typedef enum EfunctionType EfunctionType;
/*
* Module header that every module must include, with the name of
* mod_header
*/
typedef struct ModuleHeader {
char *name;
char *version;
char *description;
char *author;
char *modversion;
} ModuleHeader;
typedef struct Module Module;
typedef struct ModuleChild
{
struct ModuleChild *prev, *next;
Module *child; /* Aww. aint it cute? */
} ModuleChild;
typedef struct {
int size;
int module_load;
Module *handle;
} ModuleInfo;
typedef enum ModuleObjectType {
MOBJ_EVENT = 1,
MOBJ_HOOK = 2,
MOBJ_COMMAND = 3,
MOBJ_HOOKTYPE = 4,
MOBJ_VERSIONFLAG = 5,
MOBJ_UMODE = 7,
MOBJ_COMMANDOVERRIDE = 8,
MOBJ_EXTBAN = 9,
MOBJ_CALLBACK = 10,
MOBJ_ISUPPORT = 11,
MOBJ_EFUNCTION = 12,
MOBJ_CMODE = 13,
MOBJ_MODDATA = 14,
MOBJ_VALIDATOR = 15,
MOBJ_CLICAP = 16,
MOBJ_MTAG = 17,
MOBJ_HISTORY_BACKEND = 18,
} ModuleObjectType;
typedef struct Umode Umode;
struct Umode {
Umode *prev, *next;
long mode; /**< Mode mask */
char letter; /**< Mode character */
int unset_on_deoper; /**< When set to 1 then this user mode will be unset on de-oper */
int (*allowed)(Client *client, int what); /**< The 'is this user allowed to set this mode?' routine */
char unloaded; /**< Internal flag to indicate module is being unloaded */
Module *owner; /**< Module that owns this user mode */
};
typedef enum ModDataType {
MODDATATYPE_LOCAL_VARIABLE = 1,
MODDATATYPE_GLOBAL_VARIABLE = 2,
MODDATATYPE_CLIENT = 3,
MODDATATYPE_LOCAL_CLIENT = 4,
MODDATATYPE_CHANNEL = 5,
MODDATATYPE_MEMBER = 6,
MODDATATYPE_MEMBERSHIP = 7,
} ModDataType;
typedef enum ModDataSync {
MODDATA_SYNC_NORMAL = 1, /**< Sync normally via MD command */
MODDATA_SYNC_EARLY = 2, /**< Attempt to (also) sync early in the UID command */
} ModDataSync;
typedef struct ModDataInfo ModDataInfo;
struct ModDataInfo {
ModDataInfo *prev, *next;
char *name; /**< Name for this moddata */
Module *owner; /**< Owner of this moddata */
ModDataType type; /**< Type of module data (eg: for client, channel, etc..) */
int slot; /**< Assigned slot */
char unloaded; /**< Module being unloaded? */
void (*free)(ModData *m); /**< Function will be called when the data needs to be freed (may be NULL if not using dynamic storage) */
const char *(*serialize)(ModData *m); /**< Function which converts the data to a string. May return NULL if 'm' contains no data (since for example m->ptr may be NULL). */
void (*unserialize)(const char *str, ModData *m); /**< Function which converts the string back to data */
ModDataSync sync; /**< Send in netsynch (when servers connect) */
int remote_write; /**< Allow remote servers to set/unset this moddata, even if it they target one of our own clients */
int self_write; /**< Allow remote servers to set/unset moddata of their own server object (irc1.example.net writing the MD object of irc1.example.net) */
};
#define moddata_client(acptr, md) acptr->moddata[md->slot]
#define moddata_local_client(acptr, md) acptr->local->moddata[md->slot]
#define moddata_channel(channel, md) channel->moddata[md->slot]
#define moddata_member(m, md) m->moddata[md->slot]
#define moddata_membership(m, md) m->moddata[md->slot]
#define moddata_local_variable(md) local_variable_moddata[md->slot]
#define moddata_global_variable(md) global_variable_moddata[md->slot]
/* Can bypass message restriction - Types */
typedef enum BypassChannelMessageRestrictionType {
BYPASS_CHANMSG_EXTERNAL = 1,
BYPASS_CHANMSG_MODERATED = 2,
BYPASS_CHANMSG_COLOR = 3,
BYPASS_CHANMSG_CENSOR = 4,
BYPASS_CHANMSG_NOTICE = 5,
} BypassChannelMessageRestrictionType;
/** @defgroup ChannelModeAPI Channel mode API
* @{
*/
#define EXCHK_ACCESS 0 /**< Check user access */
#define EXCHK_ACCESS_ERR 1 /**< Check user access and send error to user */
#define EXCHK_PARAM 2 /**< Check parameter */
/* return values for EXCHK_ACCESS*: */
#define EX_DENY 0 /**< MODE change disallowed, except in case of operoverride */
#define EX_ALLOW 1 /**< MODE change allowed */
#define EX_ALWAYS_DENY -1 /**< MODE change disallowed, even in case of operoverride */
#define EXSJ_SAME 0 /**< SJOIN: Parameters are the same */
#define EXSJ_WEWON 1 /**< SJOIN: We won! w00t */
#define EXSJ_THEYWON 2 /**< SJOIN: They won :( */
#define EXSJ_MERGE 3 /**< SJOIN: Merging of modes, neither won nor lost */
/** Channel mode bit/value */
typedef unsigned long Cmode_t;
typedef enum CmodeType {
CMODE_NORMAL=0,
CMODE_MEMBER=1,
} CmodeType;
#define RANK_CHANOWNER 4000
#define RANK_CHANADMIN 3000
#define RANK_CHANOP 2000
#define RANK_HALFOP 1000
#define RANK_VOICE -1
/** Channel mode handler.
* This struct contains all extended channel mode information,
* like the flag, mode, their handler functions, etc.
*
* @note For a channel mode without parameters you only need to set 'flag'
* and set the 'is_ok' function. All the rest is for parameter modes
* or is optional.
*/
typedef struct Cmode Cmode;
struct Cmode {
Cmode *prev, *next;
/** mode character (like 'Z') */
char letter;
CmodeType type;
/** If type is CMODE_NORMAL, then bitmask (eg: 0x10) that
* is used in channel->mode.mode
*/
Cmode_t mode;
/** If type is CMODE_MEMBER, then the prefix used in NAMES etc (eg @) */
char prefix;
/** If type is CMODE_MEMBER, then the prefix used in SJOIN (eg @) */
char sjoin_prefix;
/** If type is CMODE_MEMBER, then the rank of this prefix.
* Higher ranking = more rights.
* This is used, for example, in NAMES without NAMESX when we can only
* show one symbol but not all.
* For the shipped modules vhoaq we use the RANK_* values.
*/
int rank;
/** Number of parameters (1 or 0) */
int paracount;
/** Check access or parameter of the channel mode.
* @param client The client
* @param channel The channel
* @param para The parameter (NULL for paramless modes)
* @param checkt Check type, see EXCHK_* macros
* @param what MODE_ADD or MODE_DEL
* @returns EX_DENY, EX_ALLOW or EX_ALWAYS_DENY
*/
int (*is_ok)(Client *client, Channel *channel, char mode, const char *para, int checkt, int what);
/** Store parameter in memory for channel.
* This function pointer is NULL (unused) for modes without parameters.
* @param list The list, this usually points to channel->mode.mode_params.
* @param para The parameter to store.
* @returns the head of the list, RTFS if you wonder why.
* @note IMPORTANT: only allocate a new paramstruct if you need to.
* Search for any current one first! Eg: in case of mode +y 5 and then +y 6 later without -y.
*/
void *(*put_param)(void *list, const char *para);
/** Get the stored parameter as a readable/printable string.
* This function pointer is NULL (unused) for modes without parameters.
* @param parastruct The parameter struct
* @returns a pointer to the string (temporary storage)
*/
const char *(*get_param)(void *parastruct);
/** Convert input parameter to output.
* This converts stuff like where a MODE +l "1aaa" becomes "1".
*
* This function pointer is NULL (unused) for modes without parameters.
* @param para The input parameter.
* @param client The client that the mode request came from (can be NULL!)
* @param channel The channel that the mode request came from (can be NULL!)
* @returns pointer to output string (temporary storage)
* @note The 'client' field will be NULL if for example called for set::modes-on-join.
* @note You should probably not use 'client' or 'channel' in most cases.
* In particular you MUST NOT SEND ERRORS to the client.
* This should be done in is_ok() and not in conv_param().
*/
const char *(*conv_param)(const char *para, Client *client, Channel *channel);
/** Free and remove parameter from list.
* This function pointer is NULL (unused) for modes without parameters.
* @param parastruct The parameter struct
* @note In most cases you will just call safe_free() on 'list'
*/
void (*free_param)(void *parastruct);
/** duplicate a struct and return a pointer to duplicate.
* This function pointer is NULL (unused) for modes without parameters.
* @param parastruct The parameter struct
* @returns pointer to newly allocated struct.
* @note In most cases you will simply safe_alloc() and memcpy()
*/
void *(*dup_struct)(void *parastruct);
/** Compares two parameters and decides who wins the SJOIN fight.
* When syncing channel modes (cmd_sjoin) a parameter conflict may occur, things like
* "+l 5" vs "+l 10". This function should determinate who wins the fight.
* This decision should, of course, not be random. It needs to decide according to
* the same principles on all servers on the IRC network. Examples of such
* comparisons are "highest wins" (+l) and a strcmp() check (+k/+L).
*
* This function pointer is NULL (unused) for modes without parameters.
* @param channel The channel that the fight is about
* @param our Our parameter struct
* @param their Their parameter struct
*/
int (*sjoin_check)(Channel *channel, void *our, void *their);
/** Local channel mode? Prevents remote servers from setting/unsetting this */
char local;
/** Unsetting also eats/requires a parameter. Unusual, but possible. */
char unset_with_param;
/** Is this mode being unloaded?
* This is set to 1 if the chanmode module providing this mode is unloaded
* and we are waiting to see if in our new round of loads a "new" chanmode
* module will popup to take this mode. This only happens during a rehash,
* should never be 0 outside an internal rehash.
*/
char unloaded;
/** Slot number - Can be used instead of GETPARAMSLOT() */
int param_slot;
/** Module owner */
Module *owner;
};
/** The struct used to register a channel mode handler.
* For documentation, see Cmode struct.
*/
typedef struct {
char letter;
CmodeType type;
char prefix;
char sjoin_prefix;
int rank;
int paracount;
int (*is_ok)(Client *,Channel *, char mode, const char *para, int, int);
void * (*put_param)(void *, const char *);
const char * (*get_param)(void *);
const char * (*conv_param)(const char *, Client *, Channel *);
void (*free_param)(void *);
void * (*dup_struct)(void *);
int (*sjoin_check)(Channel *, void *, void *);
char local;
char unset_with_param;
} CmodeInfo;
/** Get a slot number for a param - eg GETPARAMSLOT('k') */
#define GETPARAMSLOT(x) param_to_slot_mapping[x]
/** Get a cmode handler by slot - for example for [dont use this]: GETPARAMHANDLERBYSLOT(5)->get_param(channel) */
#define GETPARAMHANDLERBYSLOT(slotid) ParamTable[slotid]
/** Same as GETPARAMHANDLERBYSLOT but then by letter - like [dont use this]: GETPARAMHANDLERBYSLOT('k')->get_param(channel) */
#define GETPARAMHANDLERBYLETTER(x) ParamTable[GETPARAMSLOT(x)]
/** Get paramter data struct - for like: ((aModejEntry *)GETPARASTRUCT(channel, 'j'))->t */
#define GETPARASTRUCT(mychannel, mychar) channel->mode.mode_params[GETPARAMSLOT(mychar)]
#define GETPARASTRUCTEX(v, mychar) v[GETPARAMSLOT(mychar)]
/** @} */
#define CMP_GETSLOT(x) GETPARAMSLOT(x)
#define CMP_GETHANDLERBYSLOT(x) GETPARAMHANDLERBYSLOT(x)
#define CMP_GETHANDLERBYLETTER(x) GETPARAMHANDLERBYLETTER(x)
#define CMP_GETSTRUCT(x,y) GETPARASTRUCT(x,y)
/*** Extended bans ***/
typedef enum ExtbanCheck {
EXBCHK_ACCESS=0, /**< Check access */
EXBCHK_ACCESS_ERR=1, /**< Check access and send error */
EXBCHK_PARAM=2 /**< Check if the parameter is valid */
} ExtbanCheck;
typedef enum ExtbanType {
EXBTYPE_BAN=0, /**< Ban (channel mode +b) */
EXBTYPE_EXCEPT=1, /**< Ban exception (channel mode +e) */
EXBTYPE_INVEX=2, /**< Invite exception (channel mode +I) */
EXBTYPE_TKL=3 /**< TKL or other generic matcher outside banning routines */
} ExtbanType;
#define BCTX_CONV_OPTION_WRITE_LETTER_BANS 1 /* Always write letter extbans in output of conv_param */
#define EXTBANTABLESZ 32
typedef enum ExtbanOptions {
EXTBOPT_CHSVSMODE=0x1, /**< SVSMODE -b/-e/-I will clear this ban (UNUSED as of 6.0.1+) */
EXTBOPT_ACTMODIFIER=0x2, /**< Action modifier (not a matcher). These are extended bans like ~q/~n/~j. */
EXTBOPT_NOSTACKCHILD=0x4, /**< Disallow prefixing with another extban. Eg disallow ~n:~T:censor:xyz */
EXTBOPT_INVEX=0x8, /**< Available for use with +I too */
EXTBOPT_TKL=0x10 /**< Available for use in TKL's too (eg: /GLINE ~a:account) */
} ExtbanOptions;
typedef struct {
Client *client; /**< Client to check, can be a remote client */
Channel *channel; /**< Channel to check */
const char *banstr; /**< Mask string (ban) */
int ban_check_types; /**< Ban types to check for, one or more of BANCHK_* OR'd together */
const char *msg; /**< Message, only for some BANCHK_* types (for censoring text) */
const char *error_msg; /**< Error message, can be NULL */
int no_extbans; /**< Set to 1 to disable extended bans checking - only nick!user@host allowed */
int what; /**< MODE_ADD or MODE_DEL (for is_ok) */
ExtbanType ban_type; /**< EXBTYPE_BAN or EXBTYPE_EXCEPT (for is_ok) */
ExtbanCheck is_ok_check;/**< One of EXBCHK_* (for is_ok) */
int conv_options; /**< One of BCTX_CONV_OPTION_* (for conv_param) */
} BanContext;
typedef struct Extban Extban;
struct Extban {
Extban *prev, *next;
/** extended ban character */
char letter;
/** extended ban name */
char *name;
/** extban options */
ExtbanOptions options;
unsigned int is_banned_events; /**< Which BANCHK_* events to listen on */
int (*is_ok)(BanContext *b);
/** Convert input parameter to output [optional].
* like with normal bans '+b blah' gets '+b blah!*@*', and it allows
* you to limit the length of the ban too.
* return value: pointer to output string (temp. storage)
*/
const char *(*conv_param)(BanContext *b, Extban *handler);
/** Checks if the user is affected by this ban [optional].
* This may be set to NULL if you have is_banned_events set to 0 (zero),
* this can be useful if you don't actually ban a user, eg for text bans.
* This function is called from is_banned() and two other places.
*/
int (*is_banned)(BanContext *b);
/** extbans module */
Module *owner;
/* Set to 1 during rehash when module is unloading (which may be re-used, and then set to 0) */
char unloaded;
};
typedef struct {
char letter;
char *name;
ExtbanOptions options;
int (*is_ok)(BanContext *b);
const char *(*conv_param)(BanContext *b, Extban *handler);
int (*is_banned)(BanContext *b);
unsigned int is_banned_events;
} ExtbanInfo;
typedef struct Command Command;
struct Command {
Command *prev, *next;
RealCommand *cmd;
};
typedef struct Versionflag Versionflag;
struct Versionflag {
Versionflag *prev, *next;
char flag;
ModuleChild *parents;
};
/* This type needs a forward declaration: */
typedef struct MessageTagHandler MessageTagHandler;
#define CLICAP_FLAGS_NONE 0x0
#define CLICAP_FLAGS_ADVERTISE_ONLY 0x4
typedef struct ClientCapability ClientCapability;
struct ClientCapability {
ClientCapability *prev, *next;
char *name; /**< The name of the CAP */
long cap; /**< The acptr->user->proto we should set (if any, can be 0, like for sts) */
int flags; /**< A flag from CLICAP_FLAGS_* */
int (*visible)(Client *); /**< Should the capability be visible? Note: parameter may be NULL. [optional] */
const char *(*parameter)(Client *); /**< CAP parameters. Note: parameter may be NULL. [optional] */
MessageTagHandler *mtag_handler; /**< For reverse dependency */
Module *owner; /**< Module introducing this CAP. */
char unloaded; /**< Internal flag to indicate module is being unloaded */
};
typedef struct {
char *name;
int flags;
int (*visible)(Client *);
const char *(*parameter)(Client *);
} ClientCapabilityInfo;
/** @defgroup MessagetagAPI Message tag API
* @{
*/
/** No special message-tag handler flags */
#define MTAG_HANDLER_FLAGS_NONE 0x0
/** This message-tag does not have a CAP REQ xx (eg: for "msgid") */
#define MTAG_HANDLER_FLAGS_NO_CAP_NEEDED 0x1
/** Message Tag Handler */
struct MessageTagHandler {
MessageTagHandler *prev, *next;
char *name; /**< The name of the message-tag */
int flags; /**< A flag of MTAG_HANDLER_FLAGS_* */
int (*is_ok)(Client *, const char *, const char *); /**< Verify syntax and access rights */
int (*should_send_to_client)(Client *); /**< Tag may be sent to this client (normally NULL!) */
Module *owner; /**< Module introducing this CAP. */
ClientCapability *clicap_handler; /**< Client capability handler associated with this */
char unloaded; /**< Internal flag to indicate module is being unloaded */
};
/** The struct used to register a message tag handler.
* For documentation, see the MessageTagHandler struct.
*/
typedef struct {
char *name;
int flags;
int (*is_ok)(Client *, const char *, const char *);
int (*should_send_to_client)(Client *);
ClientCapability *clicap_handler;
} MessageTagHandlerInfo;
/** @} */
/** Filter for history: the command / type of the request */
typedef enum HistoryFilterCommand {
HFC_SIMPLE=1, /**< Simple history request for lines / unixtime */
HFC_BEFORE=2, /**< CHATHISTORY BEFORE */
HFC_AFTER=3, /**< CHATHISTORY AFTER */
HFC_LATEST=4, /**< CHATHISTORY LATEST */
HFC_AROUND=5, /**< CHATHISTORY AROUND */
HFC_BETWEEN=6 /**< CHATHISTORY BETWEEN */
} HistoryFilterCommand;
/** Filter for history get requests */
typedef struct HistoryFilter HistoryFilter;
struct HistoryFilter {
HistoryFilterCommand cmd; /**< Filter command, one of HistoryFilterCommand */
int last_lines; /**< Used by HFC_SIMPLE */
int last_seconds; /**< Used by HFC_SIMPLE */
char *timestamp_a; /**< First parameter of HFC_* (either this or msgid_a) */
char *msgid_a; /**< First parameter of HFC_* (either this or timestamp_a) */
char *timestamp_b; /**< Second parameter of HFC_BETWEEN (either this or msgid_b) */
char *msgid_b; /**< Second parameter of HFC_BETWEEN (either this or timestamp_b) */
int limit; /**< Maximum number of lines to return */
};
/** History log lines, used by HistoryResult among others */
typedef struct HistoryLogLine HistoryLogLine;
struct HistoryLogLine {
HistoryLogLine *prev, *next;
time_t t;
MessageTag *mtags;
char line[1];
};
typedef struct HistoryResult HistoryResult;
struct HistoryResult {
char *object; /**< Name of the history object, eg '#test' */
HistoryLogLine *log; /**< The resulting log lines */
HistoryLogLine *log_tail; /**< Last entry in the log lines */
};
/** History Backend */
typedef struct HistoryBackend HistoryBackend;
struct HistoryBackend {
HistoryBackend *prev, *next;
char *name; /**< The name of the history backend (eg: "mem") */
int (*history_set_limit)(const char *object, int max_lines, long max_time); /**< Impose a limit on a history object */
int (*history_add)(const char *object, MessageTag *mtags, const char *line); /**< Add to history */
HistoryResult *(*history_request)(const char *object, HistoryFilter *filter); /**< Request history */
int (*history_destroy)(const char *object); /**< Destroy history of this object completely */
Module *owner; /**< Module introducing this */
char unloaded; /**< Internal flag to indicate module is being unloaded */
};
/** The struct used to register a history backend.
* For documentation, see the History Backend struct above.
*/
typedef struct {
char *name;
int (*history_set_limit)(const char *object, int max_lines, long max_time);
int (*history_add)(const char *object, MessageTag *mtags, const char *line);
HistoryResult *(*history_request)(const char *object, HistoryFilter *filter);
int (*history_destroy)(const char *object);
} HistoryBackendInfo;
struct Hook {
Hook *prev, *next;
int priority;
int type;
union {
int (*intfunc)();
void (*voidfunc)();
char *(*stringfunc)();
const char *(*conststringfunc)();
} func;
Module *owner;
};
struct Callback {
Callback *prev, *next;
short type;
union {
int (*intfunc)();
void (*voidfunc)();
void *(*pvoidfunc)();
char *(*stringfunc)();
const char *(*conststringfunc)();
} func;
Module *owner;
char willberemoved; /* will be removed on next rehash? (eg the 'old'/'current' one) */
};
/* Definition of an efunction: a MANDATORY Extern Function (in a module),
* for things like do_join, join_channel, etc.
* The difference between callbacks and efunctions are:
* - efunctions are (usually) mandatory, while callbacks can be optional
* - efunctions are meant for internal usage, so 3rd party modules are
* not allowed to add them.
* - all efunctions are declared as function pointers in modules.c
*/
struct Efunction {
Efunction *prev, *next;
short type;
union {
int (*intfunc)();
void (*voidfunc)();
void *(*pvoidfunc)();
char *(*stringfunc)();
const char *(*conststringfunc)();
} func;
Module *owner;
char willberemoved; /* will be removed on next rehash? (eg the 'old'/'current' one) */
};
struct Hooktype {
short id;
char *string;
ModuleChild *parents;
};
typedef struct ISupport ISupport;
struct ISupport {
ISupport *prev, *next;
char *token;
char *value;
Module *owner;
};
typedef struct ModuleObject {
struct ModuleObject *prev, *next;
ModuleObjectType type;
union {
Event *event;
Hook *hook;
Command *command;
Hooktype *hooktype;
Versionflag *versionflag;
Umode *umode;
CommandOverride *cmdoverride;
Extban *extban;
Callback *callback;
Efunction *efunction;
ISupport *isupport;
Cmode *cmode;
ModDataInfo *moddata;
OperClassValidator *validator;
ClientCapability *clicap;
MessageTagHandler *mtag;
HistoryBackend *history_backend;
} object;
} ModuleObject;
/*
* What we use to keep track internally of the modules
*/
#define MODERR_NOERROR 0
#define MODERR_EXISTS 1
#define MODERR_NOSPACE 2
#define MODERR_INVALID 3
#define MODERR_NOTFOUND 4
extern unsigned int ModuleGetError(Module *module);
extern const char *ModuleGetErrorStr(Module *module);
extern unsigned int ModuleGetOptions(Module *module);
extern void ModuleSetOptions(Module *module, unsigned int options, int action);
struct Module
{
struct Module *prev, *next;
int priority;
ModuleHeader *header; /* The module's header */
#ifdef _WIN32
HMODULE dll; /* Return value of LoadLibrary */
#else
void *dll; /* Return value of dlopen */
#endif
unsigned char flags; /* 8-bits for flags .. [<- this is misleading, there's mod->flags = .. everywhere] */
ModuleChild *children;
ModuleObject *objects;
ModuleInfo modinfo; /* Used to store handle info for module */
unsigned char options;
unsigned char errorcode;
char *tmp_file;
char *relpath;
unsigned long mod_sys_version;
unsigned int compiler_version;
};
/*
* Symbol table
*/
#define MOD_OPT_PERM 0x0001 /* Permanent module (not unloadable) */
#define MOD_OPT_OFFICIAL 0x0002 /* Official module, do not set "tainted" */
#define MOD_OPT_PERM_RELOADABLE 0x0004 /* Module is semi-permanent: it can be re-loaded but not un-loaded */
#define MOD_OPT_GLOBAL 0x0008 /* Module is required to be loaded globally (i.e. across the entire network) */
#define MOD_OPT_UNLOAD_PRIORITY 0x1000 /* Module wants a higher or lower unload priority */
#define MOD_Dep(name, container,module) {#name, (vFP *) &container, module}
/** Event structs */
struct Event {
Event *prev; /**< Previous event (linked list) */
Event *next; /**< Next event (linked list) */
char *name; /**< Name of the event */
long every_msec; /**< How often we should run this event */
long count; /**< How many times this event should run (0 = infinite) */
vFP event; /**< Actual function to call */
void *data; /**< The data to pass in the function call */
struct timeval last_run; /**< Last time this event ran */
char deleted; /**< Set to 1 if this event is marked for deletion */
Module *owner; /**< To which module this event belongs */
};
#define EMOD_EVERY 0x0001
#define EMOD_HOWMANY 0x0002
#define EMOD_NAME 0x0004
#define EMOD_EVENT 0x0008
#define EMOD_DATA 0x0010
/** event struct information, for EventMod() only - see Event for documentation */
struct EventInfo {
int flags;
long count;
time_t every_msec;
char *name;
vFP event;
void *data;
};
extern MODVAR Hook *Hooks[MAXHOOKTYPES];
extern MODVAR Hooktype Hooktypes[MAXCUSTOMHOOKS];
extern MODVAR Callback *Callbacks[MAXCALLBACKS], *RCallbacks[MAXCALLBACKS];
extern MODVAR ClientCapability *clicaps;
extern Event *EventAdd(Module *module, const char *name, vFP event, void *data, long every_msec, int count);
extern void EventDel(Event *event);
extern Event *EventMarkDel(Event *event);
extern Event *EventFind(const char *name);
extern int EventMod(Event *event, EventInfo *mods);
extern void DoEvents(void);
extern void EventStatus(Client *client);
extern void SetupEvents(void);
extern void Module_Init(void);
extern const char *Module_Create(const char *path);
extern const char *Module_TransformPath(const char *path_);
extern void Init_all_testing_modules(void);
extern void Unload_all_loaded_modules(void);
extern void Unload_all_testing_modules(void);
extern int Module_Unload(const char *name);
extern vFP Module_Sym(const char *name);
extern vFP Module_SymX(const char *name, Module **mptr);
extern int Module_free(Module *mod);
#ifdef __OpenBSD__
extern void *obsd_dlsym(void *handle, const char *symbol);
#endif
#ifdef _WIN32
extern const char *our_dlerror(void);
#endif
extern Versionflag *VersionflagAdd(Module *module, char flag);
extern void VersionflagDel(Versionflag *vflag, Module *module);
extern ISupport *ISupportAdd(Module *module, const char *token, const char *value);
extern void ISupportSetValue(ISupport *isupport, const char *value);
extern void ISupportDel(ISupport *isupport);
extern ISupport *ISupportFind(const char *token);
extern void ISupportSet(Module *module, const char *name, const char *value);
extern void ISupportSetFmt(Module *module, const char *name, FORMAT_STRING(const char *pattern), ...) __attribute__((format(printf,3,4)));
extern void ISupportDelByName(const char *name);
extern ClientCapability *ClientCapabilityFind(const char *token, Client *client);
extern ClientCapability *ClientCapabilityFindReal(const char *token);
extern ClientCapability *ClientCapabilityAdd(Module *module, ClientCapabilityInfo *clicap_request, long *cap);
extern void ClientCapabilityDel(ClientCapability *clicap);
extern MessageTagHandler *MessageTagHandlerFind(const char *token);
extern MessageTagHandler *MessageTagHandlerAdd(Module *module, MessageTagHandlerInfo *mreq);
extern void MessageTagHandlerDel(MessageTagHandler *m);
extern HistoryBackend *HistoryBackendFind(const char *name);
extern HistoryBackend *HistoryBackendAdd(Module *module, HistoryBackendInfo *mreq);
extern void HistoryBackendDel(HistoryBackend *m);
#ifndef GCC_TYPECHECKING
#define HookAdd(module, hooktype, priority, func) HookAddMain(module, hooktype, priority, func, NULL, NULL, NULL)
#define HookAddVoid(module, hooktype, priority, func) HookAddMain(module, hooktype, priority, NULL, func, NULL, NULL)
#define HookAddString(module, hooktype, priority, func) HookAddMain(module, hooktype, priority, NULL, NULL, func, NULL)
#define HookAddConstString(module, hooktype, priority, func) HookAddMain(module, hooktype, priority, NULL, NULL, NULL, func)
#else
#define HookAdd(module, hooktype, priority, func) \
__extension__ ({ \
ValidateHooks(hooktype, func); \
HookAddMain(module, hooktype, priority, func, NULL, NULL, NULL); \
})
#define HookAddVoid(module, hooktype, priority, func) \
__extension__ ({ \
ValidateHooks(hooktype, func); \
HookAddMain(module, hooktype, priority, NULL, func, NULL, NULL); \
})
#define HookAddString(module, hooktype, priority, func) \
__extension__ ({ \
ValidateHooks(hooktype, func); \
HookAddMain(module, hooktype, priority, NULL, NULL, func, NULL); \
})
#define HookAddConstString(module, hooktype, priority, func) \
__extension__ ({ \
ValidateHooks(hooktype, func); \
HookAddMain(module, hooktype, priority, NULL, NULL, NULL, func); \
})
#endif /* GCC_TYPCHECKING */
extern Hook *HookAddMain(Module *module, int hooktype, int priority, int (*intfunc)(), void (*voidfunc)(), char *(*stringfunc)(), const char *(*conststringfunc)());
extern Hook *HookDel(Hook *hook);
extern Hooktype *HooktypeAdd(Module *module, const char *string, int *type);
extern void HooktypeDel(Hooktype *hooktype, Module *module);
#define RunHook(hooktype,...) do { Hook *h; for (h = Hooks[hooktype]; h; h = h->next) (*(h->func.intfunc))(__VA_ARGS__); } while(0)
#define RunHookReturn(hooktype,retchk,...) \
{ \
int retval; \
Hook *h; \
for (h = Hooks[hooktype]; h; h = h->next) \
{ \
retval = (*(h->func.intfunc))(__VA_ARGS__); \
if (retval retchk) return; \
} \
}
#define RunHookReturnInt(hooktype,retchk,...) \
{ \
int retval; \
Hook *h; \
for (h = Hooks[hooktype]; h; h = h->next) \
{ \
retval = (*(h->func.intfunc))(__VA_ARGS__); \
if (retval retchk) return retval; \
} \
}
#define CallbackAdd(module, cbtype, func) CallbackAddMain(module, cbtype, func, NULL, NULL, NULL, NULL)
#define CallbackAddVoid(module, cbtype, func) CallbackAddMain(module, cbtype, NULL, func, NULL, NULL, NULL)
#define CallbackAddPVoid(module, cbtype, func) CallbackAddMain(module, cbtype, NULL, NULL, func, NULL, NULL)
#define CallbackAddString(module, cbtype, func) CallbackAddMain(module, cbtype, NULL, NULL, NULL, func, NULL)
#define CallbackAddConstString(module, cbtype, func) CallbackAddMain(module, cbtype, NULL, NULL, NULL, NULL, func)
extern Callback *CallbackAddMain(Module *module, int cbtype, int (*func)(), void (*vfunc)(), void *(*pvfunc)(), char *(*stringfunc)(), const char *(*conststringfunc)());
extern Callback *CallbackDel(Callback *cb);
#define EfunctionAdd(module, cbtype, func) EfunctionAddMain(module, cbtype, func, NULL, NULL, NULL, NULL)
#define EfunctionAddVoid(module, cbtype, func) EfunctionAddMain(module, cbtype, NULL, func, NULL, NULL, NULL)
#define EfunctionAddPVoid(module, cbtype, func) EfunctionAddMain(module, cbtype, NULL, NULL, func, NULL, NULL)
#define EfunctionAddString(module, cbtype, func) EfunctionAddMain(module, cbtype, NULL, NULL, NULL, func, NULL)
#define EfunctionAddConstString(module, cbtype, func) EfunctionAddMain(module, cbtype, NULL, NULL, NULL, NULL, func)
extern Efunction *EfunctionAddMain(Module *module, EfunctionType eftype, int (*intfunc)(), void (*voidfunc)(), void *(*pvoidfunc)(), char *(*stringfunc)(), const char *(*conststringfunc)());
extern Efunction *EfunctionDel(Efunction *cb);
extern Command *CommandAdd(Module *module, const char *cmd, CmdFunc func, unsigned char params, int flags);
extern Command *AliasAdd(Module *module, const char *cmd, AliasCmdFunc aliasfunc, unsigned char params, int flags);
extern void CommandDel(Command *command);
extern void CommandDelX(Command *command, RealCommand *cmd);
extern int CommandExists(const char *name);
extern CommandOverride *CommandOverrideAdd(Module *module, const char *name, int priority, OverrideCmdFunc func);
extern void CommandOverrideDel(CommandOverride *ovr);
extern void CallCommandOverride(CommandOverride *ovr, Client *client, MessageTag *mtags, int parc, const char *parv[]);
extern void moddata_free_client(Client *acptr);
extern void moddata_free_local_client(Client *acptr);
extern void moddata_free_channel(Channel *channel);
extern void moddata_free_member(Member *m);
extern void moddata_free_membership(Membership *m);
extern ModDataInfo *findmoddata_byname(const char *name, ModDataType type);
extern int moddata_client_set(Client *acptr, const char *varname, const char *value);
extern const char *moddata_client_get(Client *acptr, const char *varname);
extern ModData *moddata_client_get_raw(Client *client, const char *varname);
extern int moddata_local_client_set(Client *acptr, const char *varname, const char *value);
extern const char *moddata_local_client_get(Client *acptr, const char *varname);
extern int LoadPersistentPointerX(ModuleInfo *modinfo, const char *varshortname, void **var, void (*free_variable)(ModData *m));
#define LoadPersistentPointer(modinfo, var, free_variable) LoadPersistentPointerX(modinfo, #var, (void **)&var, free_variable)
extern void SavePersistentPointerX(ModuleInfo *modinfo, const char *varshortname, void *var);
#define SavePersistentPointer(modinfo, var) SavePersistentPointerX(modinfo, #var, var)
extern int LoadPersistentIntX(ModuleInfo *modinfo, const char *varshortname, int *var);
#define LoadPersistentInt(modinfo, var) LoadPersistentIntX(modinfo, #var, &var)
extern void SavePersistentIntX(ModuleInfo *modinfo, const char *varshortname, int var);
#define SavePersistentInt(modinfo, var) SavePersistentIntX(modinfo, #var, var)
extern int LoadPersistentLongX(ModuleInfo *modinfo, const char *varshortname, long *var);
#define LoadPersistentLong(modinfo, var) LoadPersistentLongX(modinfo, #var, &var)
extern void SavePersistentLongX(ModuleInfo *modinfo, const char *varshortname, long var);
#define SavePersistentLong(modinfo, var) SavePersistentLongX(modinfo, #var, var)
/** Hooks trigger on "events", such as a new user connecting or joining a channel,
* see https://www.unrealircd.org/docs/Dev:Hook_API for background info.
* You are suggested to use CTRL+F on this page to search for any useful hook,
* see also the example session on how to find and use a hook at
* https://www.unrealircd.org/docs/Dev:Hook_API#Example_session_finding_and_using_a_hook
*
* @defgroup HookAPI Hook API
* @{
*/
/* Hook types */
/** See hooktype_pre_local_connect() */
#define HOOKTYPE_PRE_LOCAL_CONNECT 1
/** See hooktype_local_connect() */
#define HOOKTYPE_LOCAL_CONNECT 2
/** See hooktype_remote_connect() */
#define HOOKTYPE_REMOTE_CONNECT 3
/** See hooktype_pre_local_quit() */
#define HOOKTYPE_PRE_LOCAL_QUIT 4
/** See hooktype_local_quit() */
#define HOOKTYPE_LOCAL_QUIT 5
/** See hooktype_remote_quit() */
#define HOOKTYPE_REMOTE_QUIT 6
/** See hooktype_unkuser_quit() */
#define HOOKTYPE_UNKUSER_QUIT 7
/** See hooktype_server_connect() */
#define HOOKTYPE_SERVER_CONNECT 8
/** See hooktype_server_handshake_out() */
#define HOOKTYPE_SERVER_HANDSHAKE_OUT 9
/** See hooktype_server_sync() */
#define HOOKTYPE_SERVER_SYNC 10
/** See hooktype_post_server_connect() */
#define HOOKTYPE_POST_SERVER_CONNECT 11
/** See hooktype_server_synced() */
#define HOOKTYPE_SERVER_SYNCED 12
/** See hooktype_server_quit() */
#define HOOKTYPE_SERVER_QUIT 13
/** See hooktype_local_nickchange() */
#define HOOKTYPE_LOCAL_NICKCHANGE 14
/** See hooktype_remote_nickchange() */
#define HOOKTYPE_REMOTE_NICKCHANGE 15
/** See hooktype_can_join() */
#define HOOKTYPE_CAN_JOIN 16
/** See hooktype_pre_local_join() */
#define HOOKTYPE_PRE_LOCAL_JOIN 17
/** See hooktype_local_join() */
#define HOOKTYPE_LOCAL_JOIN 18
/** See hooktype_remote_join() */
#define HOOKTYPE_REMOTE_JOIN 19
/** See hooktype_pre_local_part() */
#define HOOKTYPE_PRE_LOCAL_PART 20
/** See hooktype_local_part() */
#define HOOKTYPE_LOCAL_PART 21
/** See hooktype_remote_part() */
#define HOOKTYPE_REMOTE_PART 22
/** See hooktype_pre_local_kick() */
#define HOOKTYPE_PRE_LOCAL_KICK 23
/** See hooktype_can_kick() */
#define HOOKTYPE_CAN_KICK 24
/** See hooktype_local_kick() */
#define HOOKTYPE_LOCAL_KICK 25
/** See hooktype_remote_kick() */
#define HOOKTYPE_REMOTE_KICK 26
/** See hooktype_pre_chanmsg() */
#define HOOKTYPE_PRE_CHANMSG 28
/** See hooktype_can_send_to_user() */
#define HOOKTYPE_CAN_SEND_TO_USER 29
/** See hooktype_can_send_to_channel() */
#define HOOKTYPE_CAN_SEND_TO_CHANNEL 30
/** See hooktype_usermsg() */
#define HOOKTYPE_USERMSG 31
/** See hooktype_chanmsg() */
#define HOOKTYPE_CHANMSG 32
/** See hooktype_pre_local_topic() */
#define HOOKTYPE_PRE_LOCAL_TOPIC 33
/** See hooktype_topic() */
#define HOOKTYPE_TOPIC 35
/** See hooktype_pre_local_chanmode() */
#define HOOKTYPE_PRE_LOCAL_CHANMODE 36
/** See hooktype_pre_remote_chanmode() */
#define HOOKTYPE_PRE_REMOTE_CHANMODE 37
/** See hooktype_local_chanmode() */
#define HOOKTYPE_LOCAL_CHANMODE 38
/** See hooktype_remote_chanmode() */
#define HOOKTYPE_REMOTE_CHANMODE 39
/** See hooktype_modechar_del() */
#define HOOKTYPE_MODECHAR_DEL 40
/** See hooktype_modechar_add() */
#define HOOKTYPE_MODECHAR_ADD 41
/** See hooktype_away() */
#define HOOKTYPE_AWAY 42
/** See hooktype_pre_invite() */
#define HOOKTYPE_PRE_INVITE 43
/** See hooktype_invite() */
#define HOOKTYPE_INVITE 44
/** See hooktype_pre_knock() */
#define HOOKTYPE_PRE_KNOCK 45
/** See hooktype_knock() */
#define HOOKTYPE_KNOCK 46
/** See hooktype_whois() */
#define HOOKTYPE_WHOIS 47
/** See hooktype_who_status() */
#define HOOKTYPE_WHO_STATUS 48
/** See hooktype_pre_kill() */
#define HOOKTYPE_PRE_KILL 49
/** See hooktype_local_kill() */
#define HOOKTYPE_LOCAL_KILL 50
/** See hooktype_rehashflag() */
#define HOOKTYPE_REHASHFLAG 51
/** See hooktype_configposttest() */
#define HOOKTYPE_CONFIGPOSTTEST 52
/** See hooktype_rehash() */
#define HOOKTYPE_REHASH 53
/** See hooktype_rehash_complete() */
#define HOOKTYPE_REHASH_COMPLETE 54
/** See hooktype_configtest() */
#define HOOKTYPE_CONFIGTEST 55
/** See hooktype_configrun() */
#define HOOKTYPE_CONFIGRUN 56
/** See hooktype_configrun_ex() */
#define HOOKTYPE_CONFIGRUN_EX 57
/** See hooktype_stats() */
#define HOOKTYPE_STATS 58
/** See hooktype_local_oper() */
#define HOOKTYPE_LOCAL_OPER 59
/** See hooktype_local_pass() */
#define HOOKTYPE_LOCAL_PASS 60
/** See hooktype_channel_create() */
#define HOOKTYPE_CHANNEL_CREATE 61
/** See hooktype_channel_destroy() */
#define HOOKTYPE_CHANNEL_DESTROY 62
/** See hooktype_tkl_except() */
#define HOOKTYPE_TKL_EXCEPT 63
/** See hooktype_umode_change() */
#define HOOKTYPE_UMODE_CHANGE 64
/** See hooktype_tkl_add() */
#define HOOKTYPE_TKL_ADD 65
/** See hooktype_tkl_del() */
#define HOOKTYPE_TKL_DEL 66
/** See hooktype_log() */
#define HOOKTYPE_LOG 67
/** See hooktype_local_spamfilter() */
#define HOOKTYPE_LOCAL_SPAMFILTER 68
/** See hooktype_silenced() */
#define HOOKTYPE_SILENCED 69
/** See hooktype_rawpacket_in() */
#define HOOKTYPE_RAWPACKET_IN 70
/** See hooktype_packet() */
#define HOOKTYPE_PACKET 71
/** See hooktype_handshake() */
#define HOOKTYPE_HANDSHAKE 72
/** See hooktype_free_client() */
#define HOOKTYPE_FREE_CLIENT 73
/** See hooktype_free_user() */
#define HOOKTYPE_FREE_USER 74
/** See hooktype_can_join_limitexceeded() */
#define HOOKTYPE_CAN_JOIN_LIMITEXCEEDED 75
/** See hooktype_visible_in_channel() */
#define HOOKTYPE_VISIBLE_IN_CHANNEL 76
/** See hooktype_see_channel_in_whois() */
#define HOOKTYPE_SEE_CHANNEL_IN_WHOIS 77
/** See hooktype_join_data() */
#define HOOKTYPE_JOIN_DATA 78
/** See hooktype_oper_invite_ban() */
#define HOOKTYPE_OPER_INVITE_BAN 79
/** See hooktype_view_topic_outside_channel() */
#define HOOKTYPE_VIEW_TOPIC_OUTSIDE_CHANNEL 80
/** See hooktype_chan_permit_nick_change() */
#define HOOKTYPE_CHAN_PERMIT_NICK_CHANGE 81
/** See hooktype_is_channel_secure() */
#define HOOKTYPE_IS_CHANNEL_SECURE 82
/** See hooktype_channel_synced() */
#define HOOKTYPE_CHANNEL_SYNCED 83
/** See hooktype_can_sajoin() */
#define HOOKTYPE_CAN_SAJOIN 84
/** See hooktype_mode_deop() */
#define HOOKTYPE_MODE_DEOP 86
/** See hooktype_dcc_denied() */
#define HOOKTYPE_DCC_DENIED 87
/** See hooktype_secure_connect() */
#define HOOKTYPE_SECURE_CONNECT 88
/** See hooktype_can_bypass_channel_message_restriction() */
#define HOOKTYPE_CAN_BYPASS_CHANNEL_MESSAGE_RESTRICTION 89
/** See hooktype_sasl_continuation() */
#define HOOKTYPE_SASL_CONTINUATION 91
/** See hooktype_sasl_result() */
#define HOOKTYPE_SASL_RESULT 92
/** See hooktype_place_host_ban() */
#define HOOKTYPE_PLACE_HOST_BAN 93
/** See hooktype_find_tkline_match() */
#define HOOKTYPE_FIND_TKLINE_MATCH 94
/** See hooktype_welcome() */
#define HOOKTYPE_WELCOME 95
/** See hooktype_pre_command() */
#define HOOKTYPE_PRE_COMMAND 96
/** See hooktype_post_command() */
#define HOOKTYPE_POST_COMMAND 97
/** See hooktype_new_message() */
#define HOOKTYPE_NEW_MESSAGE 98
/** See hooktype_is_handshake_finished() */
#define HOOKTYPE_IS_HANDSHAKE_FINISHED 99
/** See hooktype_pre_local_quit_chan() */
#define HOOKTYPE_PRE_LOCAL_QUIT_CHAN 100
/** See hooktype_ident_lookup() */
#define HOOKTYPE_IDENT_LOOKUP 101
/** See hooktype_account_login() */
#define HOOKTYPE_ACCOUNT_LOGIN 102
/** See hooktype_close_connection() */
#define HOOKTYPE_CLOSE_CONNECTION 103
/** See hooktype_connect_extinfo() */
#define HOOKTYPE_CONNECT_EXTINFO 104
/** See hooktype_is_invited() */
#define HOOKTYPE_IS_INVITED 105
/** See hooktype_post_local_nickchange() */
#define HOOKTYPE_POST_LOCAL_NICKCHANGE 106
/** See hooktype_post_remote_nickchange() */
#define HOOKTYPE_POST_REMOTE_NICKCHANGE 107
/** See hooktype_userhost_change() */
#define HOOKTYPE_USERHOST_CHANGE 108
/** See hooktype_realname_change() */
#define HOOKTYPE_REALNAME_CHANGE 109
/** See hooktype_can_set_topic() */
#define HOOKTYPE_CAN_SET_TOPIC 110
/** See hooktype_ip_change() */
#define HOOKTYPE_IP_CHANGE 111
/* Adding a new hook here?
* 1) Add the #define HOOKTYPE_.... with a new number
* 2) Add a hook prototype (see below)
* 3) Add type checking (even more below)
*/
/* Hook prototypes */
/** Called when a local user connects, allows pausing or rejecting the user (function prototype for HOOKTYPE_PRE_LOCAL_CONNECT).
* @param client The client
* @retval HOOK_DENY Stop the connection (hold/pause it).
* @retval HOOK_ALLOW Allow the connection (stop processing other modules)
* @retval HOOK_CONTINUE Allow the connection, unless another module blocks it.
*/
int hooktype_pre_local_connect(Client *client);
/** Called when a local user connects (function prototype for HOOKTYPE_LOCAL_CONNECT).
* @param client The client
* @return The return value is ignored (use return 0)
*/
int hooktype_local_connect(Client *client);
/** Called when a remote user connects (function prototype for HOOKTYPE_REMOTE_CONNECT).
* @param client The client
* @return The return value is ignored (use return 0)
*/
int hooktype_remote_connect(Client *client);
/** Called when a local user disconnects, allows changing the quit/disconnect reason (function prototype for HOOKTYPE_PRE_LOCAL_QUIT).
* @param client The client
* @param client The quit/disconnect reason
* @return The quit reason (you may also return 'comment' if it should be unchanged) or NULL for an empty reason.
*/
const char *hooktype_pre_local_quit(Client *client, const char *comment);
/** Called when a local user quits or otherwise disconnects (function prototype for HOOKTYPE_PRE_LOCAL_QUIT).
* @param client The client
* @param mtags Message tags associated with the quit
* @param comment The quit/exit reason
* @return The return value is ignored (use return 0)
*/
int hooktype_local_quit(Client *client, MessageTag *mtags, const char *comment);
/** Called when a remote user qutis or otherwise disconnects (function prototype for HOOKTYPE_REMOTE_QUIT).
* @param client The client
* @param mtags Message tags associated with the quit
* @param comment The quit/exit reason
* @return The return value is ignored (use return 0)
*/
int hooktype_remote_quit(Client *client, MessageTag *mtags, const char *comment);
/** Called when an unregistered user disconnects, so before the user was fully online (function prototype for HOOKTYPE_UNKUSER_QUIT).
* @param client The client
* @param mtags Message tags associated with the quit
* @param comment The quit/exit reason
* @return The return value is ignored (use return 0)
*/
int hooktype_unkuser_quit(Client *client, MessageTag *mtags, const char *comment);
/** Called when a local or remote server connects / links in (function prototype for HOOKTYPE_SERVER_CONNECT).
* @param client The client
* @return The return value is ignored (use return 0)
*/
int hooktype_server_connect(Client *client);
/** Called very early when doing an outgoing server connect (function prototype for HOOKTYPE_SERVER_HANDSHAKE_OUT).
* @param client The client
* @return The return value is ignored (use return 0)
*/
int hooktype_server_handshake_out(Client *client);
/** Called on new locally connected server, in or out, after all users/channels/TKLs/etc have been synced, but before EOS (function prototype for HOOKTYPE_SERVER_SYNC).
* @param client The client
* @return The return value is ignored (use return 0)
*/
int hooktype_server_sync(Client *client);
/** Called when a local or remote server connects / links in, but only after EOS (End Of Sync) has been received or sent (function prototype for HOOKTYPE_POST_SERVER_CONNECT).
* @param client The client
* @return The return value is ignored (use return 0)
*/
int hooktype_post_server_connect(Client *client);
/** Called when a local or remote server is linked in and fully synced, after EOS / End Of Sync (function prototype for HOOKTYPE_SERVER_SYNCED).
* @param client The client
* @return The return value is ignored (use return 0)
*/
int hooktype_server_synced(Client *client);
/** Called when a local or remote server disconnects (function prototype for HOOKTYPE_SERVER_QUIT).
* @param client The client
* @param mtags Message tags associated with the disconnect
* @return The return value is ignored (use return 0)
*/
int hooktype_server_quit(Client *client, MessageTag *mtags);
/** Called when a local user changes the nick name (function prototype for HOOKTYPE_LOCAL_NICKCHANGE).
* @param client The client
* @param mtags Message tags associated with the event
* @param newnick The new nick name
* @return The return value is ignored (use return 0)
*/
int hooktype_local_nickchange(Client *client, MessageTag *mtags, const char *newnick);
/** Called when a remote user changes the nick name (function prototype for HOOKTYPE_REMOTE_NICKCHANGE).
* @param client The client
* @param mtags Message tags associated with the event
* @param newnick The new nick name
* @return The return value is ignored (use return 0)
*/
int hooktype_remote_nickchange(Client *client, MessageTag *mtags, const char *newnick);
/** Called when a user wants to join a channel, may the user join? (function prototype for HOOKTYPE_CAN_JOIN).
* @param client The client
* @param channel The channel the user wants to join
* @param key The key supplied by the client
* @return Return 0 to allow the user, any other value should be an IRC numeric (eg: ERR_BANNEDFROMCHAN).
*/
int hooktype_can_join(Client *client, Channel *channel, const char *key, char **errmsg);
/** Called when a user wants to join a channel (function prototype for HOOKTYPE_PRE_LOCAL_JOIN).
* IMPORTANT: Generally you want to use HOOKTYPE_CAN_JOIN / hooktype_can_join() instead!!
* @param client The client
* @param channel The channel the user wants to join
* @param key Channel key (can be NULL)
* @retval HOOK_DENY Deny the join.
* @retval HOOK_ALLOW Allow the join (stop processing other modules)
* @retval HOOK_CONTINUE Allow the join, unless another module blocks it.
*/
int hooktype_pre_local_join(Client *client, Channel *channel, const char *key);
/** Called when a local user joins a channel (function prototype for HOOKTYPE_LOCAL_JOIN).
* @param client The client
* @param channel The channel the user wants to join
* @param mtags Message tags associated with the event
* @return The return value is ignored (use return 0)
*/
int hooktype_local_join(Client *client, Channel *channel, MessageTag *mtags);
/** Called when a remote user joins a channel (function prototype for HOOKTYPE_REMOTE_JOIN).
* @param client The client
* @param channel The channel the user wants to join
* @param mtags Message tags associated with the event
* @return The return value is ignored (use return 0)
*/
int hooktype_remote_join(Client *client, Channel *channel, MessageTag *mtags);
/** Called when a local user wants to part a channel (function prototype for HOOKTYPE_PRE_LOCAL_PART).
* @param client The client
* @param channel The channel the user wants to part
* @param comment The PART reason, this may be NULL.
* @return The part reason (you may also return 'comment' if it should be unchanged) or NULL for an empty reason.
*/
const char *hooktype_pre_local_part(Client *client, Channel *channel, const char *comment);
/** Called when a local user parts a channel (function prototype for HOOKTYPE_LOCAL_PART).
* @param client The client
* @param channel The channel the user is leaving
* @param mtags Message tags associated with the event
* @param comment The PART reason, this may be NULL.
* @return The return value is ignored (use return 0)
*/
int hooktype_local_part(Client *client, Channel *channel, MessageTag *mtags, const char *comment);
/** Called when a remote user parts a channel (function prototype for HOOKTYPE_REMOTE_PART).
* @param client The client
* @param channel The channel the user is leaving
* @param mtags Message tags associated with the event
* @param comment The PART reason, this may be NULL.
* @return The return value is ignored (use return 0)
*/
int hooktype_remote_part(Client *client, Channel *channel, MessageTag *mtags, const char *comment);
/** Do not use this function, use hooktype_can_kick() instead!
*/
const char *hooktype_pre_local_kick(Client *client, Client *victim, Channel *channel, const char *comment);
/** Called when a local user wants to kick another user from a channel (function prototype for HOOKTYPE_CAN_KICK).
* @param client The client issuing the command
* @param victim The victim that should be kicked
* @param channel The channel the user should be kicked from
* @param comment The KICK reason, this may be NULL.
* @param client_member_modes The member modes of 'client' (eg "o"), never NULL but can be empty.
* @param victim_member_modes The member modes of 'victim' (eg "v"), never NULL but can be empty.
* @param errmsg The error message that should be shown to the user (full IRC protocol line).
* @retval EX_DENY Deny the KICK (unless IRCOp with sufficient override rights).
* @retval EX_ALWAYS_DENY Deny the KICK always (even if IRCOp).
* @retval EX_ALLOW Allow the kick, unless another module blocks it.
*/
int hooktype_can_kick(Client *client, Client *victim, Channel *channel, const char *comment, const char *client_member_modes, const char *victim_member_modes, const char **errmsg);
/** Called when a local user is kicked (function prototype for HOOKTYPE_LOCAL_KICK).
* @param client The client issuing the command
* @param victim The victim that should be kicked
* @param channel The channel the user should be kicked from
* @param mtags Message tags associated with the event
* @param comment The KICK reason, this may be NULL.
* @return The return value is ignored (use return 0)
*/
int hooktype_local_kick(Client *client, Client *victim, Channel *channel, MessageTag *mtags, const char *comment);
/** Called when a remote user is kicked (function prototype for HOOKTYPE_REMOTE_KICK).
* @param client The client issuing the command
* @param victim The victim that should be kicked
* @param channel The channel the user should be kicked from
* @param mtags Message tags associated with the event
* @param comment The KICK reason, this may be NULL.
* @return The return value is ignored (use return 0)
*/
int hooktype_remote_kick(Client *client, Client *victim, Channel *channel, MessageTag *mtags, const char *comment);
/** Called right before a message is sent to the channel (function prototype for HOOKTYPE_PRE_CHANMSG).
* This function is only used by delayjoin. It cannot block a message. See hooktype_can_send_to_user() instead!
* @param client The client
* @param channel The channel
* @param mtags Message tags associated with the event
* @param text The text that will be sent
* @return The return value is ignored (use return 0)
*/
int hooktype_pre_chanmsg(Client *client, Channel *channel, MessageTag *mtags, const char *text, SendType sendtype);
/** Called when a user wants to send a message to another user (function prototype for HOOKTYPE_CAN_SEND_TO_USER).
* @param client The sender
* @param target The recipient
* @param text The text to be sent (double pointer!)
* @param errmsg The error message. If you block the message (HOOK_DENY) then you MUST set this!
* @param sendtype The message type, for example SEND_TYPE_PRIVMSG.
* @retval HOOK_DENY Deny the message. The 'errmsg' will be sent to the user.
* @retval HOOK_CONTINUE Allow the message, unless other modules block it.
*/
int hooktype_can_send_to_user(Client *client, Client *target, const char **text, const char **errmsg, SendType sendtype);
/** Called when a user wants to send a message to a channel (function prototype for HOOKTYPE_CAN_SEND_TO_CHANNEL).
* @param client The sender
* @param channel The channel to send to
* @param member The membership struct, so you can see for example op status.
* @param text The text to be sent (double pointer!)
* @param errmsg The error message. If you block the message (HOOK_DENY) then you MUST set this!
* @param sendtype The message type, for example SEND_TYPE_PRIVMSG.
* @retval HOOK_DENY Deny the message. The 'errmsg' will be sent to the user.
* @retval HOOK_CONTINUE Allow the message, unless other modules block it.
*/
int hooktype_can_send_to_channel(Client *client, Channel *channel, Membership *member, const char **text, const char **errmsg, SendType sendtype);
/** Called when a message is sent from one user to another user (function prototype for HOOKTYPE_USERMSG).
* @param client The sender
* @param to The recipient
* @param mtags Message tags associated with the event
* @param text The text
* @param sendtype The message type, for example SEND_TYPE_PRIVMSG.
* @return The return value is ignored (use return 0)
*/
int hooktype_usermsg(Client *client, Client *to, MessageTag *mtags, const char *text, SendType sendtype);
/** Called when a message is sent to a channel (function prototype for HOOKTYPE_CHANMSG).
* @param client The sender
* @param channel The channel
* @param sendflags One of SEND_* (eg SEND_ALL, SKIP_DEAF).
* @param member_modes Either NULL, or a member mode like "h", "o", etc.
* @param target Target string, usually this is "#channel", but it can also contain prefixes like "@#channel"
* @param mtags Message tags associated with the event
* @param text The text
* @param sendtype The message type, for example SEND_TYPE_PRIVMSG.
* @return The return value is ignored (use return 0)
*/
int hooktype_chanmsg(Client *client, Channel *channel, int sendflags, const char *member_modes, const char *target, MessageTag *mtags, const char *text, SendType sendtype);
/** Called when a user wants to set the topic (function prototype for HOOKTYPE_CAN_SET_TOPIC).
* @param client The client issuing the command
* @param channel The channel the topic should be set for
* @param topic The topic that should be set, this may be NULL for unset.
* @param errmsg The error message that should be shown to the user (full IRC protocol line).
* @retval EX_DENY Deny the TOPIC (unless IRCOp with sufficient override rights).
* @retval EX_ALWAYS_DENY Deny the TOPIC always (even if IRCOp).
* @retval EX_ALLOW Allow the TOPIC, unless another module blocks it.
*/
int hooktype_can_set_topic(Client *client, Channel *channel, const char *topic, const char **errmsg);
/** Called when a local user wants to change the channel topic (function prototype for HOOKTYPE_PRE_LOCAL_TOPIC).
* @param client The client
* @param channel The channel
* @param topic The new requested topic
* @return The new topic (you may also return 'topic'), or NULL if the topic change request should be rejected.
*/
const char *hooktype_pre_local_topic(Client *client, Channel *channel, const char *topic);
/** Called when the channel topic is changed (function prototype for HOOKTYPE_TOPIC).
* @param client The client
* @param channel The channel
* @param mtags Message tags associated with the event
* @param topic The new topic
* @return The return value is ignored (use return 0)
*/
int hooktype_topic(Client *client, Channel *channel, MessageTag *mtags, const char *topic);
/** Called when a local user changes channel modes, called early (function prototype for HOOKTYPE_PRE_LOCAL_CHANMODE).
* WARNING: This does not allow you to stop or reject the channel modes. It only allows you to do stuff -before- the
* mode is changed. It is currently only used by the delayjoin module.
* @param client The client
* @param channel The channel
* @param mtags Message tags associated with the event
* @param modebuf The mode buffer, for example "+o"
* @param parabuf The parameter buffer, for example "NiceOp"
* @param sendts Send timestamp
* @param samode Is this an SAMODE?
* @return The return value is ignored (use return 0)
*/
int hooktype_pre_local_chanmode(Client *client, Channel *channel, MessageTag *mtags, const char *modebuf, const char *parabuf, time_t sendts, int samode);
/** Called when a remote user changes channel modes, called early (function prototype for HOOKTYPE_PRE_REMOTE_CHANMODE).
* WARNING: This does not allow you to stop or reject the channel modes. It only allows you to do stuff -before- the
* mode is changed. It is currently only used by the delayjoin module.
* @param client The client
* @param channel The channel
* @param mtags Message tags associated with the event
* @param modebuf The mode buffer, for example "+o"
* @param parabuf The parameter buffer, for example "NiceOp"
* @param sendts Send timestamp
* @param samode Is this an SAMODE?
* @return The return value is ignored (use return 0)
*/
int hooktype_pre_remote_chanmode(Client *client, Channel *channel, MessageTag *mtags, const char *modebuf, const char *parabuf, time_t sendts, int samode);
/** Called when a local user changes channel modes (function prototype for HOOKTYPE_LOCAL_CHANMODE).
* @param client The client
* @param channel The channel
* @param mtags Message tags associated with the event
* @param modebuf The mode buffer, for example "+o"
* @param parabuf The parameter buffer, for example "NiceOp"
* @param sendts Send timestamp
* @param samode Is this an SAMODE?
* @param destroy_channel Module can set this to 1 to indicate 'channel' was destroyed
* @return The return value is ignored (use return 0)
*/
int hooktype_local_chanmode(Client *client, Channel *channel, MessageTag *mtags, const char *modebuf, const char *parabuf, time_t sendts, int samode, int *destroy_channel);
/** Called when a remote user changes channel modes (function prototype for HOOKTYPE_REMOTE_CHANMODE).
* @param client The client
* @param channel The channel
* @param mtags Message tags associated with the event
* @param modebuf The mode buffer, for example "+o"
* @param parabuf The parameter buffer, for example "NiceOp"
* @param sendts Send timestamp
* @param samode Is this an SAMODE?
* @param destroy_channel Module can set this to 1 to indicate 'channel' was destroyed
* @return The return value is ignored (use return 0)
*/
int hooktype_remote_chanmode(Client *client, Channel *channel, MessageTag *mtags, const char *modebuf, const char *parabuf, time_t sendts, int samode, int *destroy_channel);
/** Called when a channel mode is removed by a local or remote user (function prototype for HOOKTYPE_MODECHAR_DEL).
* NOTE: This is currently not terribly useful for most modules. It is used by by the floodprot and noknock modules.
* @param channel The channel
* @param modechar The mode character, eg 'k'
* @return The return value is ignored (use return 0)
*/
int hooktype_modechar_del(Channel *channel, int modechar);
/** Called when a channel mode is set by a local or remote user (function prototype for HOOKTYPE_MODECHAR_ADD).
* NOTE: This is currently not terribly useful for most modules. It is used by by the floodprot and noknock modules.
* @param channel The channel
* @param modechar The mode character, eg 'k'
* @return The return value is ignored (use return 0)
*/
int hooktype_modechar_add(Channel *channel, int modechar);
/** Called when a user sets away status or unsets away status (function prototype for HOOKTYPE_AWAY).
* @param client The client
* @param mtags Message tags associated with the event
* @param reason The away reason, or NULL if away is unset.
* @param already_as_away Set to 1 if the user only changed their away reason.
* @return The return value is ignored (use return 0)
*/
int hooktype_away(Client *client, MessageTag *mtags, const char *reason, int already_as_away);
/** Called when a user wants to invite another user to a channel (function prototype for HOOKTYPE_PRE_INVITE).
* @param client The client
* @param acptr The user who is invited (victim)
* @param channel The channel the user is invited to
* @param override If this was an override (1) or not. Note: pointer to an int!
* @retval HOOK_DENY Deny the invite.
* @retval HOOK_ALLOW Allow the invite (stop processing other modules)
* @retval HOOK_CONTINUE Allow the invite, unless another module blocks it.
*/
int hooktype_pre_invite(Client *client, Client *acptr, Channel *channel, int *override);
/** Called when a user invites another user to a channel (function prototype for HOOKTYPE_INVITE).
* @param client The client
* @param acptr The user who is invited (victim)
* @param channel The channel the user is invited to
* @param mtags Message tags associated with the event
* @return The return value is ignored (use return 0)
*/
int hooktype_invite(Client *client, Client *acptr, Channel *channel, MessageTag *mtags);
/** Called when a user wants to knock on a channel (function prototype for HOOKTYPE_PRE_KNOCK).
* @param client The client
* @param channel The channel to knock on
* @param reason Knock reason (can be replaced if needed)
* @retval HOOK_DENY Deny the knock.
* @retval HOOK_ALLOW Allow the knock (stop processing other modules)
* @retval HOOK_CONTINUE Allow the knock, unless another module blocks it.
*/
int hooktype_pre_knock(Client *client, Channel *channel, const char **reason);
/** Called when a user knocks on a channel (function prototype for HOOKTYPE_KNOCK).
* @param client The client
* @param channel The channel to knock on
* @param mtags Message tags associated with the event
* @param comment The knock reason
* @return The return value is ignored (use return 0)
*/
int hooktype_knock(Client *client, Channel *channel, MessageTag *mtags, const char *comment);
/** Called when a user whoises someone (function prototype for HOOKTYPE_WHOIS).
* @param client The client issuing the command
* @param target The user who is the target of the /WHOIS.
* @param list The name/value/prio list that you can add information to
* that will be sent to the user as the WHOIS response.
* @return The return value is ignored (use return 0)
*/
int hooktype_whois(Client *client, Client *target, NameValuePrioList **list);
/** Called to add letters to the WHO status column (function prototype for HOOKTYPE_WHO_STATUS).
* If a user does a /WHO request, then WHO will show a number of status flags
* such as B to show the user is a bot (see "HELPOP WHO" for the full list).
* @param client The client
* @param target The target, the user for which we should display WHO status flags
* @param channel The channel if a channel WHO, or NULL
* @param member The membership information, or NULL
* @param status The current status flags, so far
* @param cansee If 'client' can see 'target' (eg: in same channel or -i)
* @return Return 0 if no WHO status flags need to be added, otherwise return the ascii character (eg: return 'B').
*/
int hooktype_who_status(Client *client, Client *target, Channel *channel, Member *member, const char *status, int cansee);
/** Called when an IRCOp wants to kill another user (function prototype for HOOKTYPE_PRE_KILL).
* @param client The client
* @param victim The user who should be killed
* @param reason The kill reason
* @retval EX_DENY Deny the KICK (unless IRCOp with sufficient override rights).
* @retval EX_ALWAYS_DENY Deny the KICK always (even if IRCOp).
* @retval EX_ALLOW Allow the kick, unless another module blocks it.
*/
int hooktype_pre_kill(Client *client, Client *victim, const char *reason);
/** Called when a local user kills another user (function prototype for HOOKTYPE_LOCAL_KILL).
* Note that kills from remote IRCOps will show up as regular quits, so use hooktype_remote_quit() and hooktype_local_quit().
* @param client The client
* @param victim The victim
* @param comment The kill reason
* @return The return value is ignored (use return 0)
*/
int hooktype_local_kill(Client *client, Client *victim, const char *comment);
/** Called when an IRCOp calls /REHASH with a -parameter (function prototype for HOOKTYPE_REHASHFLAG).
* @param client The client issuing the command, or NULL if rehashing due to system signal.
* @param str The rehash flag (eg: "-all")
* @return The return value is ignored (use return 0)
*/
int hooktype_rehashflag(Client *client, const char *str);
/** Called when the server is rehashing (function prototype for HOOKTYPE_REHASH).
* @return The return value is ignored (use return 0)
*/
int hooktype_rehash(void);
/** Called when the server has completed rehashing (function prototype for HOOKTYPE_REHASH_COMPLETE).
* @return The return value is ignored (use return 0)
*/
int hooktype_rehash_complete(void);
/** Called when searching for a test function for a specific configuration item (function prototype for HOOKTYPE_CONFIGTEST).
* This is part of the configuration API, which is better documented at the
* wiki at https://www.unrealircd.org/docs/Dev:Configuration_API
* @param cfptr Configuration file
* @param ce Configuration entry
* @param section One of CONFIG_*, eg: CONFIG_MAIN.
* @param errors Counter for errors
* @retval 0 This entry is not for us, we don't know anything about it.
* @retval -1 Errors encountered (the number of errors is stored in *errors)
* @retval 1 This entry is handled and is without any errors.
*/
int hooktype_configtest(ConfigFile *cfptr, ConfigEntry *ce, int section, int *errors);
/** Called after all hooktype_configtest() have run, to check for missing config items (function prototype for HOOKTYPE_CONFIGPOSTTEST).
* @param errors The number of errors
* @returns In case of errors, return -1.
*/
int hooktype_configposttest(int *errors);
/** Called to run/do the active configuration for this configuration item (function prototype for HOOKTYPE_CONFIGRUN).
* This is part of the configuration API, which is better documented at the
* wiki at https://www.unrealircd.org/docs/Dev:Configuration_API
* @param cfptr Configuration file
* @param ce Configuration entry
* @param section One of CONFIG_*, eg: CONFIG_MAIN.
* @retval 0 This entry is not for us, we don't know anything about it.
* @retval 1 This entry is for us, it is now handled, don't call any other modules for it anymore.
*/
int hooktype_configrun(ConfigFile *cfptr, ConfigEntry *ce, int section);
/** Called to run/do the active configuration for this configuration item - extended version (function prototype for HOOKTYPE_CONFIGRUN_EX).
* This particular "extended version" is only used for extending listen { } options, so you probably don't need this one.
* Use hooktype_configrun() instead!
* @param cfptr Configuration file
* @param ce Configuration entry
* @param section One of CONFIG_*, eg: CONFIG_MAIN.
* @param ptr Pointer to something
* @retval 0 This entry is not for us, we don't know anything about it.
* @retval 1 This entry is for us, it is now handled, don't call any other modules for it anymore.
*/
int hooktype_configrun_ex(ConfigFile *cfptr, ConfigEntry *ce, int section, void *ptr);
/** Called when a user types /STATS <something> (function prototype for HOOKTYPE_STATS).
* This way a module can add a new STATS item, eg 'STATS something'
* @param client The client issuing the command
* @param str The parameter to the STATS command, eg 'something'.
* @return The return value is ignored (use return 0)
*/
int hooktype_stats(Client *client, const char *str);
/** Called when a user becomes IRCOp or is no longer an IRCOp (function prototype for HOOKTYPE_LOCAL_OPER).
* @param client The client
* @param add 1 if the user becomes IRCOp, 0 if the user is no longer IRCOp
* @param oper_block The name of the oper block used to oper up
* @return The return value is ignored (use return 0)
*/
int hooktype_local_oper(Client *client, int add, ConfigItem_oper *oper_block);
/** Called when a client sends a PASS command (function prototype for HOOKTYPE_LOCAL_PASS).
* @param client The client
* @param password The password supplied by the client
* @return The return value is ignored (use return 0)
*/
int hooktype_local_pass(Client *client, const char *password);
/** Called when a channel is created (function prototype for HOOKTYPE_CHANNEL_CREATE).
* @param channel The channel that just got created
* @note This function is not used much, use hooktype_local_join() and hooktype_remote_join() instead.
* @return The return value is ignored (use return 0)
*/
int hooktype_channel_create(Channel *channel);
/** Called when a channel is completely destroyed (function prototype for HOOKTYPE_CHANNEL_DESTROY).
* @param channel The channel that is about to be destroyed
* @param should_destroy Module can set this to 1 to prevent destriction
* @note A channel is usually destroyed due to the last user leaving. But in some cases
* a channel is created and then immediately destroyed within nanoseconds. Just so you know.
* @return The return value is ignored (use return 0)
*/
int hooktype_channel_destroy(Channel *channel, int *should_destroy);
/** Called when a user matches a TKL and is pending to be killed (function prototype for HOOKTYPE_TKL_EXCEPT).
* @param client The client
* @param ban_type The TKL type, one of TKL_*. For example TKL_GLOBAL|TKL_KILL for a gline.
* @retval 0 Ban/kill the user.
* @retval 1 User is exempt, do NOT kill or ban.
*/
int hooktype_tkl_except(Client *client, int ban_type);
/** Called when the user modes of a user change (function prototype for HOOKTYPE_UMODE_CHANGE).
* @param client The client
* @param setflags The current user modes
* @param newflags The new user modes
* @note The user mode can be changed due to a MODE by the user itself, by a server, or by SVSMODE/SVS2MODE from Services.
* @return The return value is ignored (use return 0)
*/
int hooktype_umode_change(Client *client, long setflags, long newflags);
/** Called when a new TKL is added (function prototype for HOOKTYPE_TKL_ADD).
* @param client The client adding the TKL (this can be &me)
* @param tkl The TKL entry
* @return The return value is ignored (use return 0)
*/
int hooktype_tkl_add(Client *client, TKL *tkl);
/** Called when removing an existing TKL (function prototype for HOOKTYPE_TKL_DEL).
* @param client The client removing the TKL (this can be &me)
* @param tkl The TKL entry
* @return The return value is ignored (use return 0)
*/
int hooktype_tkl_del(Client *client, TKL *tkl);
/** Called when something is logged via the unreal_log() function (function prototype for HOOKTYPE_LOG).
* @param loglevel Loglevel (eg ULOG_INFO)
* @param subsystem Subsystem (eg "operoverride")
* @param event_id Event ID (eg "SAJOIN_COMMAND")
* @param msg Message(s) in text form
* @param json_serialized The associated JSON text
* @param timebuf The [xxxx] time buffer, for convenience
* @return The return value is ignored (use return 0)
*/
int hooktype_log(LogLevel loglevel, const char *subsystem, const char *event_id, MultiLine *msg, const char *json_serialized, const char *timebuf);
/** Called when a local user matches a spamfilter (function prototype for HOOKTYPE_LOCAL_SPAMFILTER).
* @param client The client
* @param str The text that matched, this may be stripped from color and control codes.
* @param str_in The original text
* @param target The spamfilter type, one of SPAMF_*, such as SPAMF_CHANMSG.
* @param destination The destination, such as the name of another client or channel
* @param tkl The spamfilter TKL entry that matched
* @return The return value is ignored (use return 0)
*/
int hooktype_local_spamfilter(Client *client, const char *str, const char *str_in, int type, const char *target, TKL *tkl);
/** Called when a user sends something to a user that has the sender silenced (function prototype for HOOKTYPE_SILENCED).
* UnrealIRCd support a SILENCE list. If the target user has added someone on the silence list, eg via SILENCE +BadUser,
* and then 'BadUser' tries to send a message to this user, this hook will be triggered.
* @param client The client trying to send a message/notice
* @param target The intended recipient of the message
* @param sendtype Indicating if it is a PRIVMSG, NOTICE or something else.
* @note This function is rarely used.
* @return The return value is ignored (use return 0)
*/
int hooktype_silenced(Client *client, Client *target, SendType sendtype);
/** Called on every incoming packet (function prototype for HOOKTYPE_RAWPACKET_IN).
* This is quite invasive, so only use this if you cannot do the same via some other means (eg overrides or hooks).
* The typical use cases are things like: handling an entirely different protocol (eg: websocket module),
* or old stuff like codepage conversions, basically: things that work on entire packets.
* @param client The client
* @param readbuf The buffer
* @param length The length of the buffer
* @note If you want to alter the buffer contents then replace 'readbuf' with your own buffer and set 'length' appropriately.
* @return The return value is ignored (use return 0)
*/
int hooktype_rawpacket_in(Client *client, const char *readbuf, int *length);
/** Called when a packet is received or sent (function prototype for HOOKTYPE_PACKET).
* @param client The locally connected sender, this can be &me
* @param to The locally connected recipient, this can be &me
* @param intended_to The originally intended recipient, this could be a remote user
* @param msg The buffer
* @param length The length of the buffer
* @note When reading a packet, 'client' will indicate the locally connected user and 'to' will be &me.
* When sending a pcket, 'client' will be &me and 'to' will be the locally connected user.
* If you want to alter the buffer contents then replace 'msg' with your own buffer and set 'length' appropriately.
* @return The return value is ignored (use return 0)
*/
int hooktype_packet(Client *from, Client *to, Client *intended_to, char **msg, int *length);
/** Called very early when a client connects (function prototype for HOOKTYPE_HANDSHAKE).
* This is called as soon as the socket is connected and the client is being set up,
* so before the client has sent any application data, and certainly before it is
* known whether this client will become a user or a server.
* @param client The client
* @return The return value is ignored (use return 0)
*/
int hooktype_handshake(Client *client);
/** Called when a client structure is freed (function prototype for HOOKTYPE_FREE_CLIENT).
* @param client The client
* @note Normally you use hooktype_local_quit(), hooktype_remote_quit() and hooktype_unkuser_quit() for this.
* @return The return value is ignored (use return 0)
*/
int hooktype_free_client(Client *client);
/** Called when the user structure, client->user, is being freed (function prototype for HOOKTYPE_FREE_USER).
* @param client The client
* @return The return value is ignored (use return 0)
*/
int hooktype_free_user(Client *client);
/** Called when +l limit is exceeded when joining (function prototype for HOOKTYPE_CAN_JOIN_LIMITEXCEEDED).
* @param client The client
* @param channel The channel
* @param key The channel key
* @note I don't think this works?
* @return Unclear..
*/
int hooktype_can_join_limitexceeded(Client *client, Channel *channel, const char *key, char **errmsg);
/** Called to check if the user is visible in the channel (function prototype for HOOKTYPE_VISIBLE_IN_CHANNEL).
* For example, the delayjoin module (+d/+D) will 'return 0' here if the user is hidden due to delayed join.
* @param client The client
* @param channel The channel
* @retval 0 The user is NOT visible
* @retval 1 The user is visible
*/
int hooktype_visible_in_channel(Client *client, Channel *channel);
/** Called to check if the channel of a user should be shown in WHOIS/WHO (function prototype for HOOKTYPE_SEE_CHANNEL_IN_WHOIS).
* @param client The client ASKING, eg doing the /WHOIS.
* @param target The client who is being interrogated
* @param channel The channel that 'client' is in
* @retval 0 The channel should NOT be visible
* @retval 1 Show the channel
*/
int hooktype_see_channel_in_whois(Client *client, Client *target, Channel *channel);
/** Called when a user is added to a channel (function prototype for HOOKTYPE_JOIN_DATA).
* Note that normally you use hooktype_local_join() and hooktype_remote_join() for this.
* This function only exists so it is easy to work with dynamic data, and even
* that is an old idea now that we have the moddata system.
* @param client The client joining
* @param channel The channel the client joined to
* @return The return value is ignored (use return 0)
*/
int hooktype_join_data(Client *who, Channel *channel);
/** Should the user be able to bypass bans? (function prototype for HOOKTYPE_OPER_INVITE_BAN).
* @param client The client
* @param channel The channel
* @note The actual meaning of this hook is more complex, you are unlikely to use it, anyway.
* @retval HOOK_DENY Deny the join if the user is also banned
* @retval HOOK_CONTINUE Obey the normal rules
*/
int hooktype_oper_invite_ban(Client *client, Channel *channel);
/** Should a user be able to view the topic when not in the channel? (function prototype for HOOKTYPE_VIEW_TOPIC_OUTSIDE_CHANNEL).
* @param client The client requesting the topic
* @param channel The channel
* @note This visibility check is only partially implemented. Do not count on it.
* @retval HOOK_DENY Deny the topic request
* @retval HOOK_CONTINUE Obey the normal rules
*/
int hooktype_view_topic_outside_channel(Client *client, Channel *channel);
/** Is a user permitted to change its nickname? (function prototype for HOOKTYPE_CHAN_PERMIT_NICK_CHANGE).
* This is called for each channel the user is in. This is used by the +N (nonickchange) channel mode.
* @param client The client
* @param channel The channel the user is in
* @retval HOOK_DENY Deny the nick change
* @retval HOOK_CONTINUE Obey the normal rules (allow it, unless denied by something else)
*/
int hooktype_chan_permit_nick_change(Client *client, Channel *channel);
/** Is the channel considered "secure"? (function prototype for HOOKTYPE_IS_CHANNEL_SECURE).
* This is used by the +z/+Z modules.
* @param channel The channel
* @retval 0 No, the channel is not secure
* @retval 1 Yes, the channel is secure
*/
int hooktype_is_channel_secure(Channel *channel);
/** Called after a channel is synced due to netmerge (function prototype for HOOKTYPE_CHANNEL_SYNCED).
* When a server connects channel status is exchanged in order to synchronize the two sides of channels.
* After each SJOIN command this function is called to check if anything special
* needs to be join. At the moment this function is only used by channel mode +z
* which will kick out any insecure users if we are the "loosing" side of a split.
* @param channel The channel
* @param merge Set to 1 if merging due to equal timestamps on both sides, 0 otherwise
* @param removetheirs Set to 1 if the other side is the loosing side and we are the winning side.
* @param nomode Set to 1 if this is a SJOIN without modes (rare? services?)
* @retval HOOK_DENY Deny the channel merge. Important: only return this after you have destroyed the channel!
* @retval HOOK_CONTINUE Continue normally
*/
int hooktype_channel_synced(Channel *channel, int merge, int removetheirs, int nomode);
/** Can the target client be SAJOIN'ed to a particular channel? (function prototype for HOOKTYPE_CAN_SAJOIN).
* @param target The client that should be joined
* @param channel The channel that the client should be joined to
* @param client The client issuing the request (usually IRCOp)
* @retval HOOK_DENY Deny the SAJOIN
* @retval HOOK_CONTINUE Allow the SAJOIN, unless blocked by something else
*/
int hooktype_can_sajoin(Client *target, Channel *channel, Client *client);
/** May the target user be deoped? (function prototype for HOOKTYPE_MODE_DEOP).
* This is for example used by the +S (Services bot) user mode to block deop requests to services bots.
* @param client The client issuing the command
* @param victim The victim that should be deoped (MODE -o)
* @param channel The channel
* @param what Always MODE_DEL at the moment
* @param modechar The mode character: q/a/o/h/v
* @param client_access Channel member modes of 'client', eg "o", never NULL but can be empty.
* @param target_access Channel member modes of 'client', eg "h", never NULL but can be empty.
* @param reject_reason The error string that should be sent to the client
* @retval HOOK_CONTINUE Proceed normally (allow it)
* @retval HOOK_DENY Reject the mode change
* @retval HOOK_ALWAYS_DENY Reject the mode change, even if IRCOp/Services/..
*/
int hooktype_mode_deop(Client *client, Client *victim, Channel *channel, u_int what, int modechar, const char *client_access, const char *target_access, const char **reject_reason);
/** Called when a DCC request was denied by the IRCd (function prototype for HOOKTYPE_DCC_DENIED).
* @param client The client who tried to send a file
* @param target The intended recipient
* @param realfile The original file name, may contain strange characters or be very long
* @param displayfile The file name for displaying purposes, properly filtered.
* @param denydcc The deny dcc { ] rule that triggered.
* @return The return value is ignored (use return 0)
*/
int hooktype_dcc_denied(Client *client, const char *target, const char *realfile, const char *displayfile, ConfigItem_deny_dcc *denydcc);
/** Called in the user accept procedure, when setting the +z user mode (function prototype for HOOKTYPE_SECURE_CONNECT).
* This is only meant to be used by the WEBIRC module, so it can do -z for fake secure users.
* @param client The client
* @return The return value is ignored (use return 0)
*/
int hooktype_secure_connect(Client *client);
/** Can the user bypass a particular channel message restriction? (function prototype for HOOKTYPE_CAN_BYPASS_CHANNEL_MESSAGE_RESTRICTION).
* This is for example used to bypass +S (stripcolor) via ~m:color:*!*@a.b.c.d if the user matches that extban.
* @param client The client (sender)
* @param channel The channel
* @param bypass_type The restriction to bypass, for example BYPASS_CHANMSG_COLOR
* @retval HOOK_ALLOW Allow to bypass the restriction
* @retval HOOK_CONTINUE Continue as normal, obey normal rules, deny bypassing the restriction.
*/
int hooktype_can_bypass_channel_message_restriction(Client *client, Channel *channel, BypassChannelMessageRestrictionType bypass_type);
/** Called when a SASL continuation response is received (function prototype for HOOKTYPE_SASL_CONTINUATION).
* This is only used by the authprompt module, it unlikely that you need it.
* @param client The client for which the SASL authentication is taking place
* @param buf The AUTHENTICATE buffer
* @retval HOOK_CONTINUE Continue as normal
* @retval HOOK_DENY Do not handle the SASL request, or at least don't show the response to the client.
*/
int hooktype_sasl_continuation(Client *client, const char *buf);
/** Called when a SASL result response is received (function prototype for HOOKTYPE_SASL_RESULT).
* This is only used by the authprompt module.
* @param client The client for which the SASL authentication is taking place
* @param successs Whether the SASL authentication was successful (1) or not (0)
* @retval HOOK_CONTINUE Continue as normal
* @retval HOOK_DENY Do not handle the SASL response, or at least don't show the response to the client.
*/
int hooktype_sasl_result(Client *client, int success);
/** Called when a TKL ban should be added on the host (function prototype for HOOKTYPE_PLACE_HOST_BAN).
* This is called for automated bans such as spamfilter hits, flooding, etc.
* This hook can be used to prevent the ban, or as used by the authprompt to delay it.
* @param client The client that should be banned
* @param action The TKL type, such as BAN_ACT_GLINE
* @param reason The ban reason
* @param duration The duration of the ban, 0 for permanent ban
* @return The magic value 99 is used to exempt the user (=do not ban!), otherwise the ban is added.
*/
int hooktype_place_host_ban(Client *client, int action, const char *reason, long duration);
/** Called when a TKL ban is hit by this user (function prototype for HOOKTYPE_FIND_TKLINE_MATCH).
* This is called when an existing TKL entry is hit by the user.
* To prevent an automated ban to be added on a host/ip, see hooktype_place_host_ban().
* @param client The client
* @param tkl The TKL entry
* @return The magic value 99 is used to exempt the user (=do not kill!), otherwise the ban is executed.
*/
int hooktype_find_tkline_match(Client *client, TKL *tk);
/** Called when the user connects for each welcome numeric (function prototype for HOOKTYPE_WELCOME).
* This can be used to send some additional notice or data to the user at a step of your choosing.
* This is called before all numerics with 'after_numeric' set to 0, and then after numeric
* 001, 002, 003, 005, 396, 266, 376. In the last call, 'after_numeric' is 999 when all initial
* numerics have been sent but before the user is auto-joined to channels (if any).
* @param client The client
* @param after_numeric Which numeric has just been sent
* @return The return value is ignored (use return 0)
*/
int hooktype_welcome(Client *client, int after_numeric);
/** Called right before parsing a line and client command (function prototype for HOOKTYPE_PRE_COMMAND).
* This is only used by labeled-reponse. If you think this hook is useful then you
* should probably use the CommandOverride API instead!
* @param client The direct local client connection from which the line is received.
* @param mtags Message tags, if any.
* @param buf The buffer (without message tags)
* @return The return value is ignored (use return 0)
*/
int hooktype_pre_command(Client *from, MessageTag *mtags, const char *buf);
/** Called right after finishing a client command (function prototype for HOOKTYPE_POST_COMMAND).
* This is only used by labeled-reponse. If you think this hook is useful then you
* should probably use the CommandOverride API instead!
* @param client The direct local client connection from which the line is received.
* @param mtags Message tags, if any.
* @param buf The buffer (without message tags)
* @return The return value is ignored (use return 0)
*/
int hooktype_post_command(Client *from, MessageTag *mtags, const char *buf);
/** Called when new_message() is executed (function prototype for HOOKTYPE_NEW_MESSAGE).
* When a new message with message tags is prepared, code in UnrealIRCd
* and in modules will call new_message(). From that function this hook
* is also called. The purpose of this hook is so you can add additional
* message tags that belong the user. For example it is used
* by the account-tag module to add account=xyz information, see that module for a good example.
* @param sender The client from which the message will be sent
* @param recv_mtags The message tags as originally received before, or NULL if completely new.
* @param mtag_list The newly created message tag list that we are building
* @param signature Special signature when used through new_message_special()
* @return The return value is ignored (use return 0)
*/
void hooktype_new_message(Client *sender, MessageTag *recv_mtags, MessageTag **mtag_list, const char *signature);
/** Is the client handshake finished? (function prototype for HOOKTYPE_IS_HANDSHAKE_FINISHED).
* This is called by the is_handshake_finished() function to check if the user
* can be accepted on IRC, or if there are still other checks/input pending.
* This can be used to "hold" a user temporarily until something happens, such
* as the user typing a password or waiting for a remote access check to return a result.
* For an example usage, see the cap module, which uses it to "hold" the connection
* if a "CAP LS" has been sent and no "CAP END" has been received yet.
* @param client The client
* @retval 1 Yes, the handshake is finished, as far as we are concerned.
* @retval 0 No, the handshake is not yet finished, do not allow the user in yet.
*/
int hooktype_is_handshake_finished(Client *client);
/** Called upon a local client quit, allows altering the quit message on a per-channel basis (function prototype for HOOKTYPE_PRE_LOCAL_QUIT_CHAN).
* If you don't need to change the quit message on a per-channel basis, but want to change it regardless of channels, then use hooktype_pre_local_quit().
* If you don't need to change the quit message at all, then use hooktype_local_quit() and hooktype_remote_quit() instead.
* @param client The client
* @param channel The channel
* @param comment The quit message
* @return The original quit message (comment), the new quit message (pointing to your own static buffer), or NULL (no quit message)
*/
const char *hooktype_pre_local_quit_chan(Client *client, Channel *channel, const char *comment);
/** Called when an ident lookup should be made (function prototype for HOOKTYPE_IDENT_LOOKUP).
* This is used by the ident_lookup module.
* @param client The client
* @return The return value is ignored (use return 0)
*/
int hooktype_ident_lookup(Client *client);
/** Called when someone logs in/out a services account (function prototype for HOOKTYPE_ACCOUNT_LOGIN).
* The account name can be found in client->user->account. It will be the string "0" if the user is logged out.
* @param client The client
* @param mtags Message tags associated with the event
* @return The return value is ignored (use return 0)
*/
int hooktype_account_login(Client *client, MessageTag *mtags);
/** Called when closing the connection of a local user (function prototype for HOOKTYPE_CLOSE_CONNECTION).
* This is called from close_connection(). Note that a lot of client information
* has already been freed, so normally you should use the quit/exit functions instead:
* hooktype_local_quit(), hooktype_remote_quit() and hooktype_unkuser_quit().
* @param client The client
* @return The return value is ignored (use return 0)
*/
int hooktype_close_connection(Client *client);
/** Called when a user connects to add extra information (function prototype for HOOKTYPE_CONNECT_EXTINFO).
* If you want to use this, then use the nvplist_add() or nvplist_add_fmt() function
* to add the information to the list. See also get_connect_extinfo() for inspiration.
* @param client The client
* @param list The name/value/prio list that you can add information to
* @return The return value is ignored (use return 0)
*/
int hooktype_connect_extinfo(Client *client, NameValuePrioList **list);
/** Called when a user wants to join a channel that require invitation.
* Use hook priorities to enforce a specific policy, especially denying the invitation.
* @param client The client
* @param channel The channel client is willing to join
* @param invited Set to 0 for user who should not be invited, set to 1 if the user is invited.
* @return The return value is ignored (use return 0)
*/
int hooktype_is_invited(Client *client, Channel *channel, int *invited);
/** Called after a local user has changed the nick name (function prototype for HOOKTYPE_POST_LOCAL_NICKCHANGE).
* @param client The client
* @param mtags Message tags associated with the event
* @param oldnick The nick name before the nick change
* @return The return value is ignored (use return 0)
*/
int hooktype_post_local_nickchange(Client *client, MessageTag *mtags, const char *oldnick);
/** Called after a remote user has changed the nick name (function prototype for HOOKTYPE_POST_REMOTE_NICKCHANGE).
* @param client The client
* @param mtags Message tags associated with the event
* @param oldnick The nick name before the nick change
* @return The return value is ignored (use return 0)
*/
int hooktype_post_remote_nickchange(Client *client, MessageTag *mtags, const char *oldnick);
/** Called when user name or user host has changed.
* @param client The client whose user@host has changed
* @param olduser Old username of the client
* @param oldhost Old hostname of the client
* @return The return value is ignored (use return 0)
*/
int hooktype_userhost_change(Client *client, const char *olduser, const char *oldhost);
/** Called when user realname has changed.
* @param client The client whose realname has changed
* @param oldinfo Old realname of the client
* @return The return value is ignored (use return 0)
*/
int hooktype_realname_change(Client *client, const char *oldinfo);
/** Called when changing IP (eg due to PROXY/WEBIRC/etc).
* @param client The client whose IP has changed
* @param oldip Old IP of the client
* @return The return value is ignored (use return 0)
*/
int hooktype_ip_change(Client *client, const char *oldip);
/** @} */
#ifdef GCC_TYPECHECKING
#define ValidateHook(validatefunc, func) __builtin_types_compatible_p(__typeof__(func), __typeof__(validatefunc))
_UNREAL_ERROR(_hook_error_incompatible, "Incompatible hook function. Check arguments and return type of function.")
#define ValidateHooks(hooktype, func) \
if (((hooktype == HOOKTYPE_LOCAL_QUIT) && !ValidateHook(hooktype_local_quit, func)) || \
((hooktype == HOOKTYPE_LOCAL_NICKCHANGE) && !ValidateHook(hooktype_local_nickchange, func)) || \
((hooktype == HOOKTYPE_LOCAL_CONNECT) && !ValidateHook(hooktype_local_connect, func)) || \
((hooktype == HOOKTYPE_REHASHFLAG) && !ValidateHook(hooktype_rehashflag, func)) || \
((hooktype == HOOKTYPE_PRE_LOCAL_PART) && !ValidateHook(hooktype_pre_local_part, func)) || \
((hooktype == HOOKTYPE_CONFIGPOSTTEST) && !ValidateHook(hooktype_configposttest, func)) || \
((hooktype == HOOKTYPE_REHASH) && !ValidateHook(hooktype_rehash, func)) || \
((hooktype == HOOKTYPE_PRE_LOCAL_CONNECT) && !ValidateHook(hooktype_pre_local_connect, func)) || \
((hooktype == HOOKTYPE_PRE_LOCAL_QUIT) && !ValidateHook(hooktype_pre_local_quit, func)) || \
((hooktype == HOOKTYPE_SERVER_CONNECT) && !ValidateHook(hooktype_server_connect, func)) || \
((hooktype == HOOKTYPE_SERVER_SYNC) && !ValidateHook(hooktype_server_sync, func)) || \
((hooktype == HOOKTYPE_SERVER_QUIT) && !ValidateHook(hooktype_server_quit, func)) || \
((hooktype == HOOKTYPE_STATS) && !ValidateHook(hooktype_stats, func)) || \
((hooktype == HOOKTYPE_LOCAL_JOIN) && !ValidateHook(hooktype_local_join, func)) || \
((hooktype == HOOKTYPE_CONFIGTEST) && !ValidateHook(hooktype_configtest, func)) || \
((hooktype == HOOKTYPE_CONFIGRUN) && !ValidateHook(hooktype_configrun, func)) || \
((hooktype == HOOKTYPE_USERMSG) && !ValidateHook(hooktype_usermsg, func)) || \
((hooktype == HOOKTYPE_CHANMSG) && !ValidateHook(hooktype_chanmsg, func)) || \
((hooktype == HOOKTYPE_LOCAL_PART) && !ValidateHook(hooktype_local_part, func)) || \
((hooktype == HOOKTYPE_LOCAL_KICK) && !ValidateHook(hooktype_local_kick, func)) || \
((hooktype == HOOKTYPE_LOCAL_CHANMODE) && !ValidateHook(hooktype_local_chanmode, func)) || \
((hooktype == HOOKTYPE_LOCAL_OPER) && !ValidateHook(hooktype_local_oper, func)) || \
((hooktype == HOOKTYPE_UNKUSER_QUIT) && !ValidateHook(hooktype_unkuser_quit, func)) || \
((hooktype == HOOKTYPE_LOCAL_PASS) && !ValidateHook(hooktype_local_pass, func)) || \
((hooktype == HOOKTYPE_REMOTE_CONNECT) && !ValidateHook(hooktype_remote_connect, func)) || \
((hooktype == HOOKTYPE_REMOTE_QUIT) && !ValidateHook(hooktype_remote_quit, func)) || \
((hooktype == HOOKTYPE_PRE_LOCAL_JOIN) && !ValidateHook(hooktype_pre_local_join, func)) || \
((hooktype == HOOKTYPE_PRE_LOCAL_KICK) && !ValidateHook(hooktype_pre_local_kick, func)) || \
((hooktype == HOOKTYPE_CAN_SET_TOPIC) && !ValidateHook(hooktype_can_set_topic, func)) || \
((hooktype == HOOKTYPE_PRE_LOCAL_TOPIC) && !ValidateHook(hooktype_pre_local_topic, func)) || \
((hooktype == HOOKTYPE_REMOTE_NICKCHANGE) && !ValidateHook(hooktype_remote_nickchange, func)) || \
((hooktype == HOOKTYPE_CHANNEL_CREATE) && !ValidateHook(hooktype_channel_create, func)) || \
((hooktype == HOOKTYPE_CHANNEL_DESTROY) && !ValidateHook(hooktype_channel_destroy, func)) || \
((hooktype == HOOKTYPE_REMOTE_CHANMODE) && !ValidateHook(hooktype_remote_chanmode, func)) || \
((hooktype == HOOKTYPE_TKL_EXCEPT) && !ValidateHook(hooktype_tkl_except, func)) || \
((hooktype == HOOKTYPE_UMODE_CHANGE) && !ValidateHook(hooktype_umode_change, func)) || \
((hooktype == HOOKTYPE_TOPIC) && !ValidateHook(hooktype_topic, func)) || \
((hooktype == HOOKTYPE_REHASH_COMPLETE) && !ValidateHook(hooktype_rehash_complete, func)) || \
((hooktype == HOOKTYPE_TKL_ADD) && !ValidateHook(hooktype_tkl_add, func)) || \
((hooktype == HOOKTYPE_TKL_DEL) && !ValidateHook(hooktype_tkl_del, func)) || \
((hooktype == HOOKTYPE_LOCAL_KILL) && !ValidateHook(hooktype_local_kill, func)) || \
((hooktype == HOOKTYPE_LOG) && !ValidateHook(hooktype_log, func)) || \
((hooktype == HOOKTYPE_REMOTE_JOIN) && !ValidateHook(hooktype_remote_join, func)) || \
((hooktype == HOOKTYPE_REMOTE_PART) && !ValidateHook(hooktype_remote_part, func)) || \
((hooktype == HOOKTYPE_REMOTE_KICK) && !ValidateHook(hooktype_remote_kick, func)) || \
((hooktype == HOOKTYPE_LOCAL_SPAMFILTER) && !ValidateHook(hooktype_local_spamfilter, func)) || \
((hooktype == HOOKTYPE_SILENCED) && !ValidateHook(hooktype_silenced, func)) || \
((hooktype == HOOKTYPE_POST_SERVER_CONNECT) && !ValidateHook(hooktype_post_server_connect, func)) || \
((hooktype == HOOKTYPE_RAWPACKET_IN) && !ValidateHook(hooktype_rawpacket_in, func)) || \
((hooktype == HOOKTYPE_PACKET) && !ValidateHook(hooktype_packet, func)) || \
((hooktype == HOOKTYPE_HANDSHAKE) && !ValidateHook(hooktype_handshake, func)) || \
((hooktype == HOOKTYPE_AWAY) && !ValidateHook(hooktype_away, func)) || \
((hooktype == HOOKTYPE_INVITE) && !ValidateHook(hooktype_invite, func)) || \
((hooktype == HOOKTYPE_CAN_JOIN) && !ValidateHook(hooktype_can_join, func)) || \
((hooktype == HOOKTYPE_CAN_SEND_TO_CHANNEL) && !ValidateHook(hooktype_can_send_to_channel, func)) || \
((hooktype == HOOKTYPE_CAN_SEND_TO_USER) && !ValidateHook(hooktype_can_send_to_user, func)) || \
((hooktype == HOOKTYPE_CAN_KICK) && !ValidateHook(hooktype_can_kick, func)) || \
((hooktype == HOOKTYPE_FREE_CLIENT) && !ValidateHook(hooktype_free_client, func)) || \
((hooktype == HOOKTYPE_FREE_USER) && !ValidateHook(hooktype_free_user, func)) || \
((hooktype == HOOKTYPE_PRE_CHANMSG) && !ValidateHook(hooktype_pre_chanmsg, func)) || \
((hooktype == HOOKTYPE_KNOCK) && !ValidateHook(hooktype_knock, func)) || \
((hooktype == HOOKTYPE_MODECHAR_ADD) && !ValidateHook(hooktype_modechar_add, func)) || \
((hooktype == HOOKTYPE_MODECHAR_DEL) && !ValidateHook(hooktype_modechar_del, func)) || \
((hooktype == HOOKTYPE_CAN_JOIN_LIMITEXCEEDED) && !ValidateHook(hooktype_can_join_limitexceeded, func)) || \
((hooktype == HOOKTYPE_VISIBLE_IN_CHANNEL) && !ValidateHook(hooktype_visible_in_channel, func)) || \
((hooktype == HOOKTYPE_PRE_LOCAL_CHANMODE) && !ValidateHook(hooktype_pre_local_chanmode, func)) || \
((hooktype == HOOKTYPE_PRE_REMOTE_CHANMODE) && !ValidateHook(hooktype_pre_remote_chanmode, func)) || \
((hooktype == HOOKTYPE_JOIN_DATA) && !ValidateHook(hooktype_join_data, func)) || \
((hooktype == HOOKTYPE_PRE_KNOCK) && !ValidateHook(hooktype_pre_knock, func)) || \
((hooktype == HOOKTYPE_PRE_INVITE) && !ValidateHook(hooktype_pre_invite, func)) || \
((hooktype == HOOKTYPE_OPER_INVITE_BAN) && !ValidateHook(hooktype_oper_invite_ban, func)) || \
((hooktype == HOOKTYPE_VIEW_TOPIC_OUTSIDE_CHANNEL) && !ValidateHook(hooktype_view_topic_outside_channel, func)) || \
((hooktype == HOOKTYPE_CHAN_PERMIT_NICK_CHANGE) && !ValidateHook(hooktype_chan_permit_nick_change, func)) || \
((hooktype == HOOKTYPE_IS_CHANNEL_SECURE) && !ValidateHook(hooktype_is_channel_secure, func)) || \
((hooktype == HOOKTYPE_CHANNEL_SYNCED) && !ValidateHook(hooktype_channel_synced, func)) || \
((hooktype == HOOKTYPE_CAN_SAJOIN) && !ValidateHook(hooktype_can_sajoin, func)) || \
((hooktype == HOOKTYPE_WHOIS) && !ValidateHook(hooktype_whois, func)) || \
((hooktype == HOOKTYPE_WHO_STATUS) && !ValidateHook(hooktype_who_status, func)) || \
((hooktype == HOOKTYPE_MODE_DEOP) && !ValidateHook(hooktype_mode_deop, func)) || \
((hooktype == HOOKTYPE_PRE_KILL) && !ValidateHook(hooktype_pre_kill, func)) || \
((hooktype == HOOKTYPE_SEE_CHANNEL_IN_WHOIS) && !ValidateHook(hooktype_see_channel_in_whois, func)) || \
((hooktype == HOOKTYPE_DCC_DENIED) && !ValidateHook(hooktype_dcc_denied, func)) || \
((hooktype == HOOKTYPE_SERVER_HANDSHAKE_OUT) && !ValidateHook(hooktype_server_handshake_out, func)) || \
((hooktype == HOOKTYPE_SERVER_SYNCED) && !ValidateHook(hooktype_server_synced, func)) || \
((hooktype == HOOKTYPE_SECURE_CONNECT) && !ValidateHook(hooktype_secure_connect, func)) || \
((hooktype == HOOKTYPE_CAN_BYPASS_CHANNEL_MESSAGE_RESTRICTION) && !ValidateHook(hooktype_can_bypass_channel_message_restriction, func)) || \
((hooktype == HOOKTYPE_SASL_CONTINUATION) && !ValidateHook(hooktype_sasl_continuation, func)) || \
((hooktype == HOOKTYPE_SASL_RESULT) && !ValidateHook(hooktype_sasl_result, func)) || \
((hooktype == HOOKTYPE_PLACE_HOST_BAN) && !ValidateHook(hooktype_place_host_ban, func)) || \
((hooktype == HOOKTYPE_FIND_TKLINE_MATCH) && !ValidateHook(hooktype_find_tkline_match, func)) || \
((hooktype == HOOKTYPE_WELCOME) && !ValidateHook(hooktype_welcome, func)) || \
((hooktype == HOOKTYPE_PRE_COMMAND) && !ValidateHook(hooktype_pre_command, func)) || \
((hooktype == HOOKTYPE_POST_COMMAND) && !ValidateHook(hooktype_post_command, func)) || \
((hooktype == HOOKTYPE_NEW_MESSAGE) && !ValidateHook(hooktype_new_message, func)) || \
((hooktype == HOOKTYPE_IS_HANDSHAKE_FINISHED) && !ValidateHook(hooktype_is_handshake_finished, func)) || \
((hooktype == HOOKTYPE_PRE_LOCAL_QUIT_CHAN) && !ValidateHook(hooktype_pre_local_quit_chan, func)) || \
((hooktype == HOOKTYPE_IDENT_LOOKUP) && !ValidateHook(hooktype_ident_lookup, func)) || \
((hooktype == HOOKTYPE_CONFIGRUN_EX) && !ValidateHook(hooktype_configrun_ex, func)) || \
((hooktype == HOOKTYPE_ACCOUNT_LOGIN) && !ValidateHook(hooktype_account_login, func)) || \
((hooktype == HOOKTYPE_CLOSE_CONNECTION) && !ValidateHook(hooktype_close_connection, func)) || \
((hooktype == HOOKTYPE_CONNECT_EXTINFO) && !ValidateHook(hooktype_connect_extinfo, func)) || \
((hooktype == HOOKTYPE_IS_INVITED) && !ValidateHook(hooktype_is_invited, func)) || \
((hooktype == HOOKTYPE_POST_LOCAL_NICKCHANGE) && !ValidateHook(hooktype_post_local_nickchange, func)) || \
((hooktype == HOOKTYPE_POST_REMOTE_NICKCHANGE) && !ValidateHook(hooktype_post_remote_nickchange, func)) || \
((hooktype == HOOKTYPE_USERHOST_CHANGE) && !ValidateHook(hooktype_userhost_change, func)) || \
((hooktype == HOOKTYPE_REALNAME_CHANGE) && !ValidateHook(hooktype_realname_change, func)) || \
((hooktype == HOOKTYPE_IP_CHANGE) && !ValidateHook(hooktype_ip_change, func)) ) \
_hook_error_incompatible();
#endif /* GCC_TYPECHECKING */
/* Hook return values */
#define HOOK_CONTINUE 0
#define HOOK_ALLOW -1
#define HOOK_DENY 1
/* Callback types */
#define CALLBACKTYPE_CLOAK 1
#define CALLBACKTYPE_CLOAK_KEY_CHECKSUM 2
#define CALLBACKTYPE_CLOAK_EX 3
#define CALLBACKTYPE_BLACKLIST_CHECK 4
#define CALLBACKTYPE_REPUTATION_STARTTIME 5
#define CALLBACKTYPE_GEOIP_LOOKUP 6
/* To add a new efunction, only if you are an UnrealIRCd coder:
* 1) Add a new entry here
* 2) Add the function in src/api-efunctions.c
* 3) Add the initalization in src/api-efunctions.c
* 4) Add the extern entry in include/h.h in the
* section marked "Efuncs"
*/
/** Efunction types. */
enum EfunctionType {
EFUNC_DO_JOIN=1,
EFUNC_JOIN_CHANNEL,
EFUNC_CAN_JOIN,
EFUNC_DO_MODE,
EFUNC_SET_MODE,
EFUNC_SET_CHANNEL_MODE,
EFUNC_CMD_UMODE,
EFUNC_REGISTER_USER,
EFUNC_TKL_HASH,
EFUNC_TKL_TYPETOCHAR,
EFUNC_TKL_ADD_SERVERBAN,
EFUNC_TKL_DEL_LINE,
EFUNC_TKL_CHECK_LOCAL_REMOVE_SHUN,
EFUNC_TKL_EXPIRE,
EFUNC_TKL_CHECK_EXPIRE,
EFUNC_FIND_TKLINE_MATCH,
EFUNC_FIND_SHUN,
EFUNC_FIND_SPAMFILTER_USER,
EFUNC_FIND_QLINE,
EFUNC_FIND_TKLINE_MATCH_ZAP,
EFUNC_TKL_STATS,
EFUNC_TKL_SYNCH,
EFUNC_CMD_TKL,
EFUNC_PLACE_HOST_BAN,
EFUNC_MATCH_SPAMFILTER,
EFUNC_MATCH_SPAMFILTER_MTAGS,
EFUNC_JOIN_VIRUSCHAN,
EFUNC_FIND_TKLINE_MATCH_ZAP_EX,
EFUNC_SEND_LIST,
EFUNC_STRIPCOLORS,
EFUNC_STRIPCONTROLCODES,
EFUNC_SPAMFILTER_BUILD_USER_STRING,
EFUNC_SEND_PROTOCTL_SERVERS,
EFUNC_VERIFY_LINK,
EFUNC_SEND_SERVER_MESSAGE,
EFUNC_BROADCAST_MD_CLIENT,
EFUNC_BROADCAST_MD_CHANNEL,
EFUNC_BROADCAST_MD_MEMBER,
EFUNC_BROADCAST_MD_MEMBERSHIP,
EFUNC_CHECK_BANNED,
EFUNC_INTRODUCE_USER,
EFUNC_CHECK_DENY_VERSION,
EFUNC_BROADCAST_MD_CLIENT_CMD,
EFUNC_BROADCAST_MD_CHANNEL_CMD,
EFUNC_BROADCAST_MD_MEMBER_CMD,
EFUNC_BROADCAST_MD_MEMBERSHIP_CMD,
EFUNC_MODDATA_ADD_S2S_MTAGS,
EFUNC_MODDATA_EXTRACT_S2S_MTAGS,
EFUNC_SEND_MODDATA_CLIENT,
EFUNC_SEND_MODDATA_CHANNEL,
EFUNC_SEND_MODDATA_MEMBERS,
EFUNC_BROADCAST_MODDATA_CLIENT,
EFUNC_MATCH_USER,
EFUNC_USERHOST_SAVE_CURRENT,
EFUNC_USERHOST_CHANGED,
EFUNC_SEND_JOIN_TO_LOCAL_USERS,
EFUNC_DO_NICK_NAME,
EFUNC_DO_REMOTE_NICK_NAME,
EFUNC_CHARSYS_GET_CURRENT_LANGUAGES,
EFUNC_BROADCAST_SINFO,
EFUNC_CONNECT_SERVER,
EFUNC_PARSE_MESSAGE_TAGS,
EFUNC_MTAGS_TO_STRING,
EFUNC_TKL_CHARTOTYPE,
EFUNC_TKL_TYPE_STRING,
EFUNC_TKL_TYPE_CONFIG_STRING,
EFUNC_CAN_SEND_TO_CHANNEL,
EFUNC_CAN_SEND_TO_USER,
EFUNC_BROADCAST_MD_GLOBALVAR,
EFUNC_BROADCAST_MD_GLOBALVAR_CMD,
EFUNC_TKL_IP_HASH,
EFUNC_TKL_IP_HASH_TYPE,
EFUNC_TKL_ADD_BANEXCEPTION,
EFUNC_TKL_ADD_NAMEBAN,
EFUNC_TKL_ADD_SPAMFILTER,
EFUNC_SENDNOTICE_TKL_ADD,
EFUNC_SENDNOTICE_TKL_DEL,
EFUNC_FREE_TKL,
EFUNC_FIND_TKL_SERVERBAN,
EFUNC_FIND_TKL_BANEXCEPTION,
EFUNC_FIND_TKL_NAMEBAN,
EFUNC_FIND_TKL_SPAMFILTER,
EFUNC_FIND_TKL_EXCEPTION,
EFUNC_ADD_SILENCE,
EFUNC_DEL_SILENCE,
EFUNC_IS_SILENCED,
EFUNC_LABELED_RESPONSE_SAVE_CONTEXT,
EFUNC_LABELED_RESPONSE_SET_CONTEXT,
EFUNC_LABELED_RESPONSE_FORCE_END,
EFUNC_KICK_USER,
EFUNC_WATCH_ADD,
EFUNC_WATCH_DEL,
EFUNC_WATCH_DEL_LIST,
EFUNC_WATCH_GET,
EFUNC_WATCH_CHECK,
EFUNC_TKL_UHOST,
EFUNC_DO_UNREAL_LOG_REMOTE_DELIVER,
EFUNC_GET_CHMODES_FOR_USER,
EFUNC_WHOIS_GET_POLICY,
};
/* Module flags */
#define MODFLAG_NONE 0x0000
#define MODFLAG_LOADED 0x0001 /* Fully loaded */
#define MODFLAG_TESTING 0x0002 /* Not yet initialized */
#define MODFLAG_INIT 0x0004 /* Initialized */
#define MODFLAG_DELAYED 0x0008 /* Delayed unload */
/* Module function return values */
#define MOD_SUCCESS 0
#define MOD_FAILED -1
#define MOD_DELAY 2
#define CONFIG_MAIN 1
#define CONFIG_SET 2
#define CONFIG_BAN 3
#define CONFIG_EXCEPT 4
#define CONFIG_DENY 5
#define CONFIG_ALLOW 6
#define CONFIG_CLOAKKEYS 7
#define CONFIG_SET_ANTI_FLOOD 8
#define CONFIG_REQUIRE 9
#define CONFIG_LISTEN 10
#define CONFIG_LISTEN_OPTIONS 11
#define CONFIG_SET_HISTORY_CHANNEL 12
#define MOD_HEADER Mod_Header
#define MOD_TEST() DLLFUNC int Mod_Test(ModuleInfo *modinfo)
#define MOD_INIT() DLLFUNC int Mod_Init(ModuleInfo *modinfo)
#define MOD_LOAD() DLLFUNC int Mod_Load(ModuleInfo *modinfo)
#define MOD_UNLOAD() DLLFUNC int Mod_Unload(ModuleInfo *modinfo)
#define CLOAK_KEY_CHECKSUM RCallbacks[CALLBACKTYPE_CLOAK_KEY_CHECKSUM] != NULL ? RCallbacks[CALLBACKTYPE_CLOAK_KEY_CHECKSUM]->func.stringfunc() : "nil"
#ifdef DYNAMIC_LINKING
#include "modversion.h"
#endif
#endif
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