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/*
* IRC - Internet Relay Chat, ircd/channel.h
* Copyright (C) 1990 Jarkko Oikarinen
* Copyright (C) 1996 - 1997 Carlo Wood
*
* 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 2, 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.
*/
/** @file
* @brief Channel management and maintenance.
* @version $Id: channel.h 1913 2009-07-04 22:46:00Z entrope $
*/
#ifndef INCLUDED_channel_h
#define INCLUDED_channel_h
#ifndef INCLUDED_ircd_defs_h
#include "ircd_defs.h" /* NICKLEN */
#endif
#ifndef INCLUDED_sys_types_h
#include <sys/types.h>
#define INCLUDED_sys_types_h
#endif
#ifndef INCLUDED_res_h
#include "res.h"
#endif
struct SLink;
struct Client;
/*
* General defines
*/
#define MAXMODEPARAMS 6 /**< Maximum number of mode parameters */
#define MODEBUFLEN 200 /**< Maximum length of a mode */
#define KEYLEN 23 /**< Maximum length of a key */
#define CHANNELLEN 200 /**< Maximum length of a channel */
#define MAXJOINARGS 15 /**< number of slots for join buffer */
#define STARTJOINLEN 10 /**< fuzzy numbers */
#define STARTCREATELEN 20
/*
* Macro's
*/
#define ChannelExists(n) (0 != FindChannel(n))
#define CHFL_CHANOP 0x0001 /**< Channel operator */
#define CHFL_VOICE 0x0002 /**< the power to speak */
#define CHFL_DEOPPED 0x0004 /**< Is de-opped by a server */
#define CHFL_SERVOPOK 0x0008 /**< Server op allowed */
#define CHFL_ZOMBIE 0x0010 /**< Kicked from channel */
#define CHFL_BURST_JOINED 0x0100 /**< Just joined by net.junction */
#define CHFL_BANNED 0x1000 /**< Channel member is banned */
#define CHFL_SILENCE_IPMASK 0x2000 /**< silence mask is a CIDR */
#define CHFL_BURST_ALREADY_OPPED 0x04000
/**< In oob BURST, but was already
* joined and opped
*/
#define CHFL_BURST_ALREADY_VOICED 0x08000
/**, In oob BURST, but was already
* joined and voiced
*/
#define CHFL_CHANNEL_MANAGER 0x10000 /**< Set when creating channel or using
* Apass
*/
#define CHFL_USER_PARTING 0x20000 /**< User is already parting that
* channel
*/
#define CHFL_DELAYED 0x40000 /**< User's join message is delayed */
#define CHFL_BURST_ALREADY_HALFOPPED 0x400000
/**< In oob BURST, but was already
* joined and halfopped
*/
#define CHFL_HALFOP 0x800000 /**< Channel half operator */
#define CHFL_OVERLAP (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE)
#define CHFL_VOICED_OR_OPPED (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE)
#define MBFL_BANVALID 0x0001 /**< MBFL_BANNED bit is valid */
#define MBFL_BANNED 0x0002 /**< Channel member is banned */
#define MBFL_BANVALID_QUIET 0x0004 /**< MBFL_BANNED_QUIET bit is valid */
#define MBFL_BANNED_QUIET 0x0008 /**< Channel member is banned from speaking */
#define MBFL_BANVALID_NICK 0x0010 /**< MBFL_BANNED_NICK bit is valid */
#define MBFL_BANNED_NICK 0x0020 /**< Channel member is banned from changing nick */
#define MBFL_EXCEPTVALID 0x0040 /**< MBFL_EXCEPTED is valid */
#define MBFL_EXCEPTED 0x0080 /**< Channel member is ban excepted */
#define MBFL_EXCEPTVALID_QUIET 0x0100 /**< MBFL_EXCEPTED_QUIET is valid */
#define MBFL_EXCEPTED_QUIET 0x0200 /**< Channel member is ban excepted */
#define MBFL_EXCEPTVALID_NICK 0x0400 /**< MBFL_EXCEPTED_NICK is valid */
#define MBFL_EXCEPTED_NICK 0x0800 /**< Channel member is ban excepted */
/* Channel Visibility macros */
#define MODE_CHANOP CHFL_CHANOP /**< +o Chanop */
#define MODE_VOICE CHFL_VOICE /**< +v Voice */
#define MODE_PRIVATE 0x0004 /**< +p Private */
#define MODE_SECRET 0x0008 /**< +s Secret */
#define MODE_MODERATED 0x0010 /**< +m Moderated */
#define MODE_TOPICLIMIT 0x0020 /**< +t Topic Limited */
#define MODE_INVITEONLY 0x0040 /**< +i Invite only */
#define MODE_NOPRIVMSGS 0x0080 /**< +n No Private Messages */
#define MODE_KEY 0x0100 /**< +k Keyed */
#define MODE_BAN 0x0200 /**< +b Ban */
#define MODE_LIMIT 0x0400 /**< +l Limit */
#define MODE_REGONLY 0x0800 /**< Only +r users may join */
#define MODE_DELJOINS 0x1000 /**< New join messages are delayed */
#define MODE_REGISTERED 0x2000 /**< Channel marked as registered
* (for future semantic expansion) */
#define MODE_SAVE 0x20000 /**< save this mode-with-arg 'til
* later */
#define MODE_FREE 0x40000 /**< string needs to be passed to
* MyFree() */
#define MODE_BURSTADDED 0x80000 /**< channel was created by a BURST */
#define MODE_UPASS 0x100000
#define MODE_APASS 0x200000
#define MODE_WASDELJOINS 0x400000 /**< Not DELJOINS, but some joins
* pending */
#define MODE_HALFOP CHFL_HALFOP /**< +h Halfop */
#define MODE_EXCEPT 0x1000000 /**< +e Ban exception */
#define MODE_REDIRECT 0x2000000 /**< +L Channel redirect */
#define EXMODE_ADMINONLY 0x00000001 /**< +a User mode +a only may join */
#define EXMODE_OPERONLY 0x00000002 /**< +O User mode +o only may join */
#define EXMODE_REGMODERATED 0x00000004 /**< +M Like +m but allows registered users too */
#define EXMODE_NONOTICES 0x00000008 /**< +N No notices allowed to the channel */
#define EXMODE_PERSIST 0x00000010 /**< +z Channel remains even if empty */
#define EXMODE_SSLONLY 0x00000020 /**< +Z Only SSL users (user mode +z) may join */
#define EXMODE_NOQUITPARTS 0x00000040 /**< +Q Strip QUIT/PART messages */
#define EXMODE_NOCTCPS 0x00000080 /**< +C Block CTCP messages */
#define EXMODE_NOMULTITARG 0x00000100 /**< +T Block messages with a list of targets */
#define EXMODE_NOCOLOR 0x00000200 /**< +c Block messages containing color */
#define EXMODE_STRIPCOLOR 0x00000400 /**< +S Strip color from messages */
/** mode flags which take another parameter (With PARAmeterS)
*/
#define MODE_WPARAS (MODE_CHANOP|MODE_HALFOP|MODE_VOICE|MODE_BAN|MODE_KEY|MODE_LIMIT|MODE_APASS|MODE_UPASS)
/** Available Channel modes */
#define infochanmodes feature_bool(FEAT_OPLEVELS) ? "AabCcDdhikLlMmNnOopQRrSsTtUvZz" : "abCcDdhikLlMmNnOopQRrSsTtvZz"
/** Available Channel modes that take parameters */
#define infochanmodeswithparams feature_bool(FEAT_OPLEVELS) ? \
(feature_bool(FEAT_HALFOPS) ? "AbhkLloUv" : "AbkLloUv") : \
(feature_bool(FEAT_HALFOPS) ? "bhkLlov" : "bkLlov")
#define HoldChannel(x) (!(x))
/** name invisible */
#define SecretChannel(x) ((x) && ((x)->mode.mode & MODE_SECRET))
/** channel not shown but names are */
#define HiddenChannel(x) ((x) && ((x)->mode.mode & MODE_PRIVATE))
/** channel visible */
#define ShowChannel(v,c) (PubChannel(c) || find_channel_member((v),(c)))
#define PubChannel(x) ((!x) || ((x)->mode.mode & \
(MODE_PRIVATE | MODE_SECRET)) == 0)
#define IsGlobalChannel(name) (*(name) == '#')
#define IsLocalChannel(name) (*(name) == '&')
#define IsChannelName(name) (IsGlobalChannel(name) || IsLocalChannel(name))
typedef enum ChannelGetType {
CGT_NO_CREATE,
CGT_CREATE
} ChannelGetType;
/* used in SetMode() in channel.c and m_umode() in s_msg.c */
#define MODE_NULL 0
#define MODE_ADD 0x40000000
#define MODE_DEL 0x20000000
/* used in ListingArgs.flags */
#define LISTARG_TOPICLIMITS 0x0001
#define LISTARG_SHOWSECRET 0x0002
#define LISTARG_NEGATEWILDCARD 0x0004
#define LISTARG_SHOWMODES 0x0008
/**
* Maximum acceptable lag time in seconds: A channel younger than
* this is not protected against hacking admins.
* Mainly here to check if the TS clocks really sync (otherwise this
* will start causing HACK notices.
* This value must be the same on all servers.
*
* This value has been increased to 1 day in order to distinguish this
* "normal" type of HACK wallops / desyncs, from possiblity still
* existing bugs.
*/
#define TS_LAG_TIME 86400
extern const char* const PartFmt1;
extern const char* const PartFmt2;
extern const char* const PartFmt1serv;
extern const char* const PartFmt2serv;
/*
* Structures
*/
/** Information about a client on one channel
*
* This structure forms a sparse matrix with users down the side, and
* channels across the top. This matrix holds all the information about
* which users are on what channels, and what modes that user has on that
* channel (if they are op'd, voice'd and cached information if they are
* banned or not)
*/
struct Membership {
struct Client* user; /**< The user */
struct Channel* channel; /**< The channel */
struct Membership* next_member; /**< The next user on this channel */
struct Membership* prev_member; /**< The previous user on this channel*/
struct Membership* next_channel; /**< Next channel this user is on */
struct Membership* prev_channel; /**< Previous channel this user is on*/
unsigned int status; /**< Flags for op'd, voice'd, etc */
unsigned int banflags; /**< Ban cache flags */
unsigned short oplevel; /**< Op level */
};
#define MAXOPLEVELDIGITS 3
#define MAXOPLEVEL 999
#define IsZombie(x) ((x)->status & CHFL_ZOMBIE) /**< see \ref zombie */
#define IsDeopped(x) ((x)->status & CHFL_DEOPPED)
#define IsBanned(x) ((x)->banflags & MBFL_BANNED)
#define IsBanValid(x) ((x)->banflags & MBFL_BANVALID)
#define IsBannedQuiet(x) ((x)->banflags & MBFL_BANNED_QUIET)
#define IsBanValidQuiet(x) ((x)->banflags & MBFL_BANVALID_QUIET)
#define IsBannedNick(x) ((x)->banflags & MBFL_BANNED_NICK)
#define IsBanValidNick(x) ((x)->banflags & MBFL_BANVALID_NICK)
#define IsChanOp(x) ((x)->status & CHFL_CHANOP)
#define IsHalfOp(x) ((x)->status & CHFL_HALFOP)
#define ExtBanTypes(x) ((x)->extbantype)
#define OpLevel(x) ((x)->oplevel)
#define HasVoice(x) ((x)->status & CHFL_VOICE)
#define IsServOpOk(x) ((x)->status & CHFL_SERVOPOK)
#define IsBurstJoined(x) ((x)->status & CHFL_BURST_JOINED)
#define IsVoicedOrOpped(x) ((x)->status & CHFL_VOICED_OR_OPPED)
#define IsChannelManager(x) ((x)->status & CHFL_CHANNEL_MANAGER)
#define IsUserParting(x) ((x)->status & CHFL_USER_PARTING)
#define IsDelayedJoin(x) ((x)->status & CHFL_DELAYED)
#define IsExcepted(x) ((x)->banflags & MBFL_EXCEPTED)
#define IsExceptValid(x) ((x)->banflags & MBFL_EXCEPTVALID)
#define IsExceptedQuiet(x) ((x)->banflags & MBFL_EXCEPTED_QUIET)
#define IsExceptValidQuiet(x) ((x)->banflags & MBFL_EXCEPTVALID_QUIET)
#define IsExceptedNick(x) ((x)->banflags & MBFL_EXCEPTED_NICK)
#define IsExceptValidNick(x) ((x)->banflags & MBFL_EXCEPTVALID_NICK)
#define SetBanned(x) ((x)->banflags |= MBFL_BANNED)
#define SetBanValid(x) ((x)->banflags |= MBFL_BANVALID)
#define SetBannedQuiet(x) ((x)->banflags |= MBFL_BANNED_QUIET)
#define SetBanValidQuiet(x) ((x)->banflags |= MBFL_BANVALID_QUIET)
#define SetBannedNick(x) ((x)->banflags |= MBFL_BANNED_NICK)
#define SetBanValidNick(x) ((x)->banflags |= MBFL_BANVALID_NICK)
#define SetDeopped(x) ((x)->status |= CHFL_DEOPPED)
#define SetServOpOk(x) ((x)->status |= CHFL_SERVOPOK)
#define SetBurstJoined(x) ((x)->status |= CHFL_BURST_JOINED)
#define SetZombie(x) ((x)->status |= CHFL_ZOMBIE)
#define SetChannelManager(x) ((x)->status |= CHFL_CHANNEL_MANAGER)
#define SetOpLevel(x, v) (void)((x)->oplevel = (v))
#define SetUserParting(x) ((x)->status |= CHFL_USER_PARTING)
#define SetDelayedJoin(x) ((x)->status |= CHFL_DELAYED)
#define SetExcepted(x) ((x)->banflags |= MBFL_EXCEPTED)
#define SetExceptValid(x) ((x)->banflags |= MBFL_EXCEPTVALID)
#define SetExceptedQuiet(x) ((x)->banflags |= MBFL_EXCEPTED_QUIET)
#define SetExceptValidQuiet(x) ((x)->banflags |= MBFL_EXCEPTVALID_QUIET)
#define SetExceptedNick(x) ((x)->banflags |= MBFL_EXCEPTED_NICK)
#define SetExceptValidNick(x) ((x)->banflags |= MBFL_EXCEPTVALID_NICK)
#define ClearBanned(x) ((x)->banflags &= ~MBFL_BANNED)
#define ClearBanValid(x) ((x)->banflags &= ~MBFL_BANVALID)
#define ClearBannedQuiet(x) ((x)->banflags &= ~MBFL_BANNED_QUIET)
#define ClearBanValidQuiet(x) ((x)->banflags &= ~MBFL_BANVALID_QUIET)
#define ClearBannedNick(x) ((x)->banflags &= ~MBFL_BANNED_NICK)
#define ClearBanValidNick(x)((x)->banflags &= ~MBFL_BANVALID_NICK)
#define ClearDeopped(x) ((x)->status &= ~CHFL_DEOPPED)
#define ClearServOpOk(x) ((x)->status &= ~CHFL_SERVOPOK)
#define ClearBurstJoined(x) ((x)->status &= ~CHFL_BURST_JOINED)
#define ClearDelayedJoin(x) ((x)->status &= ~CHFL_DELAYED)
#define ClearExcepted(x) ((x)->banflags &= ~MBFL_EXCEPTED)
#define ClearExceptValid(x) ((x)->banflags &= ~MBFL_EXCEPTVALID)
#define ClearExceptedQuiet(x) ((x)->banflags &= ~MBFL_EXCEPTED_QUIET)
#define ClearExceptValidQuiet(x) ((x)->banflags &= ~MBFL_EXCEPTVALID_QUIET)
#define ClearExceptedNick(x) ((x)->banflags &= ~MBFL_EXCEPTED_NICK)
#define ClearExceptValidNick(x) ((x)->banflags &= ~MBFL_EXCEPTVALID_NICK)
/** Mode information for a channel */
struct Mode {
unsigned int mode;
unsigned int exmode;
unsigned int limit;
char key[KEYLEN + 1];
char upass[KEYLEN + 1];
char apass[KEYLEN + 1];
char redir[CHANNELLEN + 1];
};
#define EBAN_NONE 0x00000000 /* Passed to find_ban() when no extended ban type is specified. */
#define EBAN_EXCEPTLIST 0x10000000 /* Only ever passed to find_ban() so wont conflic with EBAN_NOCHILD. */
#define EBAN_NOCHILD 0x10000000 /* Extended Ban cannot have a nested extended ban. */
#define EBAN_NEGATEMASK 0x20000000 /* Mask is negated (extended ban applies to users who do not match). */
#define EBAN_QUIET 0x00000001 /* Extended Ban quiets matching users. */
#define EBAN_NICK 0x00000002 /* Extended Ban stops matching users changing nick. */
#define EBAN_JOIN 0x00000010 /* Extended Ban checks the specified channels ban list. */
#define EBAN_ACCOUNT 0x00000020 /* Extended Ban matches against a users account names. */
#define EBAN_CHANNEL 0x00000040 /* Extended Ban matches against channels the user is a member of. */
#define EBAN_REALNAME 0x00000080 /* Extended Ban matches against a users real name. */
#define EBAN_MARK 0x00000100 /* Extended Ban matches marks on all users. */
#define EBAN_MARKUA 0x00000200 /* Extended Ban matches marks on unauthenticated users. */
#define EBAN_TYPES 0x000003FF /* Mask of all extended ban types. */
#define EBAN_CRITERIA 0xF0000000 /* Mask of all extended ban criteria. */
#define EBAN_MASKTYPE 0x000003F0 /* Mask of all mask types. */
#define EBAN_ACTIVITY 0x0000000F /* Mask of all extended bans that block a specific activity. */
struct ExtBanInfo {
char banchar;
int flags;
int feat;
};
struct ExtBan {
int flags; /**< Flags describing this extended ban. */
unsigned int prefixlen; /**< Length of the extended ban prefix. */
unsigned int nu_len; /**< length of nick!user part of mask. */
char delimiter; /**< Character used as the delimiter. */
char mask[NICKLEN+USERLEN+HOSTLEN+3]; /**< Mask to match the client against. */
};
#define BAN_IPMASK 0x0001 /**< ban mask is an IP-number mask */
#define BAN_OVERLAPPED 0x0002 /**< ban overlapped, need bounce */
#define BAN_BURSTED 0x0004 /**< Ban part of last BURST */
#define BAN_BURST_WIPEOUT 0x0008 /**< Ban will be wiped at EOB */
#define BAN_EXCEPTION 0x0010 /**< Ban is an exception */
#define BAN_EXTENDED 0x0020 /**< Ban is an Extended Ban */
#define BAN_DEL 0x4000 /**< Ban is being removed */
#define BAN_ADD 0x8000 /**< Ban is being added */
/** A single ban for a channel. */
struct Ban {
struct Ban* next; /**< next ban in the channel */
struct irc_in_addr address; /**< address for BAN_IPMASK bans */
struct ExtBan extban; /**< extended ban info */
time_t when; /**< timestamp when ban was added */
unsigned short flags; /**< modifier flags for the ban */
unsigned char nu_len; /**< length of nick!user part of banstr */
unsigned char addrbits; /**< netmask length for BAN_IPMASK bans */
char who[NICKLEN+1]; /**< name of client that set the ban */
char banstr[NICKLEN+USERLEN+HOSTLEN+3]; /**< hostmask that the ban matches */
};
/** Information about a channel */
struct Channel {
struct Channel* next; /**< next channel in the global channel list */
struct Channel* prev; /**< previous channel */
struct Channel* hnext; /**< Next channel in the hash table */
struct DestructEvent* destruct_event;
time_t creationtime; /**< Creation time of this channel */
time_t topic_time; /**< Modification time of the topic */
unsigned int users; /**< Number of clients on this channel */
unsigned int nonsslusers; /**< Number of clients without user mode +z */
struct Membership* members; /**< Pointer to the clients on this channel*/
struct SLink* invites; /**< List of invites on this channel */
struct Ban* banlist; /**< List of bans on this channel */
struct Ban* exceptlist; /**< List of excepts on this channel */
struct Mode mode; /**< This channels mode */
char topic[TOPICLEN + 1]; /**< Channels topic */
char topic_nick[NICKLEN + USERLEN + HOSTLEN + 3]; /**< Nick of the person who set
* The topic
*/
char chname[1]; /**< Dynamically allocated string of the
* channel name
*/
};
/** Information about a /list in progress */
struct ListingArgs {
time_t max_time;
time_t min_time;
unsigned int max_users;
unsigned int min_users;
unsigned int flags;
time_t max_topic_time;
time_t min_topic_time;
unsigned int bucket;
char wildcard[CHANNELLEN + 1];
};
struct ModeBuf {
unsigned int mb_add; /**< Modes to add */
unsigned int mb_exadd; /**< Extended modes to add */
unsigned int mb_rem; /**< Modes to remove */
unsigned int mb_exrem; /**< Extended modes to remove */
struct Client *mb_source; /**< Source of MODE changes */
struct Client *mb_connect; /**< Connection of MODE changes */
struct Channel *mb_channel; /**< Channel they affect */
unsigned int mb_dest; /**< Destination of MODE changes */
unsigned int mb_count; /**< Number of modes w/args */
struct {
unsigned int mbm_type; /**< Type of argument */
union {
unsigned int mbma_uint; /**< A limit */
char *mbma_string; /**< A string */
struct Client *mbma_client; /**< A client */
} mbm_arg; /**< The mode argument */
unsigned short mbm_oplevel; /**< Oplevel for a bounce */
} mb_modeargs[MAXMODEPARAMS];
/**< A mode w/args */
};
#define MODEBUF_DEST_CHANNEL 0x00001 /**< Mode is flushed to channel */
#define MODEBUF_DEST_SERVER 0x00002 /**< Mode is flushed to server */
#define MODEBUF_DEST_OPMODE 0x00100 /**< Send server mode as OPMODE */
#define MODEBUF_DEST_DEOP 0x00200 /**< Deop the offender */
#define MODEBUF_DEST_BOUNCE 0x00400 /**< Bounce the modes */
#define MODEBUF_DEST_LOG 0x00800 /**< Log the mode changes to OPATH */
#define MODEBUF_DEST_HACK2 0x02000 /**< Send a HACK(2) notice, reverse */
#define MODEBUF_DEST_HACK3 0x04000 /**< Send a HACK(3) notice, TS == 0 */
#define MODEBUF_DEST_HACK4 0x08000 /**< Send a HACK(4) notice, TS == 0 */
#define MODEBUF_DEST_NOKEY 0x10000 /**< Don't send the real key */
#define MB_TYPE(mb, i) ((mb)->mb_modeargs[(i)].mbm_type)
#define MB_UINT(mb, i) ((mb)->mb_modeargs[(i)].mbm_arg.mbma_uint)
#define MB_STRING(mb, i) ((mb)->mb_modeargs[(i)].mbm_arg.mbma_string)
#define MB_CLIENT(mb, i) ((mb)->mb_modeargs[(i)].mbm_arg.mbma_client)
#define MB_OPLEVEL(mb, i) ((mb)->mb_modeargs[(i)].mbm_oplevel)
/** A buffer represeting a list of joins to send */
struct JoinBuf {
struct Client *jb_source; /**< Source of joins (ie, joiner) */
struct Client *jb_connect; /**< Connection of joiner */
unsigned int jb_type; /**< Type of join (JOIN or CREATE) */
char *jb_comment; /**< part comment */
time_t jb_create; /**< Creation timestamp */
unsigned int jb_count; /**< Number of channels */
unsigned int jb_strlen; /**< length so far */
struct Channel *jb_channels[MAXJOINARGS];
/**< channels joined or whatever */
};
#define JOINBUF_TYPE_JOIN 0 /**< send JOINs */
#define JOINBUF_TYPE_CREATE 1 /**< send CREATEs */
#define JOINBUF_TYPE_PART 2 /**< send PARTs */
#define JOINBUF_TYPE_PARTALL 3 /**< send local PARTs, but not remote */
extern struct Channel* GlobalChannelList;
extern int LocalChanOperMode;
/*
* Proto types
*/
extern void channel_modes(struct Client *cptr, char *mbuf, char *pbuf,
int buflen, struct Channel *chptr,
struct Membership *member);
extern int set_mode(struct Client* cptr, struct Client* sptr,
struct Channel* chptr, int parc, char* parv[],
char* mbuf, char* pbuf, char* npbuf, int* badop);
extern void send_hack_notice(struct Client *cptr, struct Client *sptr,
int parc, char *parv[], int badop, int mtype);
extern struct Channel *get_channel(struct Client *cptr,
char *chname, ChannelGetType flag);
extern struct Membership* find_member_link(struct Channel * chptr,
const struct Client* cptr);
extern int sub1_from_channel(struct Channel* chptr);
extern int destruct_channel(struct Channel* chptr);
extern void add_user_to_channel(struct Channel* chptr, struct Client* who,
unsigned int flags, int oplevel);
extern void make_zombie(struct Membership* member, struct Client* who,
struct Client* cptr, struct Client* sptr,
struct Channel* chptr);
extern struct Client* find_chasing(struct Client* sptr, const char* user, int* chasing);
void add_invite(struct Client *cptr, struct Channel *chptr);
int number_of_zombies(struct Channel *chptr);
extern const char* find_no_nickchange_channel(struct Client* cptr);
extern struct Membership* find_channel_member(struct Client* cptr, struct Channel* chptr);
extern int member_can_send_to_channel(struct Membership* member, int reveal);
extern int client_can_send_to_channel(struct Client *cptr, struct Channel *chptr, int reveal);
extern void remove_user_from_channel(struct Client *sptr, struct Channel *chptr);
extern void remove_user_from_all_channels(struct Client* cptr);
extern int is_chan_op(struct Client *cptr, struct Channel *chptr);
extern int is_zombie(struct Client *cptr, struct Channel *chptr);
extern int is_half_op(struct Client *cptr, struct Channel *chptr);
extern int has_voice(struct Client *cptr, struct Channel *chptr);
/*
NOTE: pointer is compared, and not dereferenced, called by
add_target with a void*, since targets could be anything,
this function can't make any assumptions that it has a channel
*/
extern int IsInvited(struct Client* cptr, const void* chptr);
extern void send_channel_modes(struct Client *cptr, struct Channel *chptr);
extern char *pretty_mask(char *mask);
extern char *pretty_extmask(char *mask);
extern void del_invite(struct Client *cptr, struct Channel *chptr);
extern void list_set_default(void); /* this belongs elsewhere! */
extern void RevealDelayedJoinIfNeeded(struct Client *sptr, struct Channel *chptr);
extern void RevealDelayedJoin(struct Membership *member);
extern void CheckDelayedJoins(struct Channel *chan);
extern void modebuf_init(struct ModeBuf *mbuf, struct Client *source,
struct Client *connect, struct Channel *chan,
unsigned int dest);
extern void modebuf_mode(struct ModeBuf *mbuf, unsigned int mode);
extern void modebuf_mode_uint(struct ModeBuf *mbuf, unsigned int mode,
unsigned int uint);
extern void modebuf_mode_string(struct ModeBuf *mbuf, unsigned int mode,
char *string, int free);
extern void modebuf_mode_client(struct ModeBuf *mbuf, unsigned int mode,
struct Client *client, int oplevel);
extern int modebuf_flush(struct ModeBuf *mbuf);
extern void modebuf_extract(struct ModeBuf *mbuf, char *buf, int oplevels);
extern void mode_ban_invalidate(struct Channel *chan);
extern void mode_except_invalidate(struct Channel *chan);
extern void mode_invite_clear(struct Channel *chan);
extern int mode_parse(struct ModeBuf *mbuf, struct Client *cptr,
struct Client *sptr, struct Channel *chptr,
int parc, char *parv[], unsigned int flags,
struct Membership* member);
#define MODE_PARSE_SET 0x01 /**< actually set channel modes */
#define MODE_PARSE_STRICT 0x02 /**< +m +n +t style not supported */
#define MODE_PARSE_FORCE 0x04 /**< force the mode to be applied */
#define MODE_PARSE_BOUNCE 0x08 /**< we will be bouncing the modes */
#define MODE_PARSE_NOTOPER 0x10 /**< send "not chanop" to user */
#define MODE_PARSE_NOTMEMBER 0x20 /**< send "not member" to user */
#define MODE_PARSE_WIPEOUT 0x40 /**< wipe out +k and +l during burst */
#define MODE_PARSE_BURST 0x80 /**< be even more strict w/extra args */
#define MODE_PARSE_ISHALFOP 0x100 /**< op and halfop differentiation */
extern void joinbuf_init(struct JoinBuf *jbuf, struct Client *source,
struct Client *connect, unsigned int type,
char *comment, time_t create);
extern void joinbuf_join(struct JoinBuf *jbuf, struct Channel *chan,
unsigned int flags);
extern int joinbuf_flush(struct JoinBuf *jbuf);
extern struct Ban *make_ban(const char *banstr);
extern struct Ban *find_ban(struct Client *cptr, struct Ban *banlist, int extbantype, int level);
extern int apply_ban(struct Ban **banlist, struct Ban *newban, int free);
extern int apply_except(struct Ban **banlist, struct Ban *newban, int do_free);
extern void free_ban(struct Ban *ban);
extern int SetAutoChanModes(struct Channel *chptr);
extern int common_chan_count(struct Client *a, struct Client *b, int max);
#endif /* INCLUDED_channel_h */
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