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https://github.com/matrix-construct/construct
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272 lines
8.3 KiB
C
272 lines
8.3 KiB
C
/*
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* ircd-ratbox: A slightly useful ircd.
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* channel.h: The ircd channel header.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2004 ircd-ratbox development team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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* $Id: channel.h 3580 2007-11-07 23:45:14Z jilles $
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*/
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#ifndef INCLUDED_channel_h
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#define INCLUDED_channel_h
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#define MODEBUFLEN 200
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/* Maximum mode changes allowed per client, per server is different */
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#define MAXMODEPARAMS 4
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#define MAXMODEPARAMSSERV 10
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struct Client;
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/* mode structure for channels */
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struct Mode
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{
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unsigned int mode;
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int limit;
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char key[KEYLEN];
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unsigned int join_num;
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unsigned int join_time;
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char forward[LOC_CHANNELLEN + 1];
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};
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/* channel structure */
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struct Channel
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{
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rb_dlink_node node;
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struct Mode mode;
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char *topic;
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char *topic_info;
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time_t topic_time;
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time_t last_knock; /* don't allow knock to flood */
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rb_dlink_list members; /* channel members */
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rb_dlink_list locmembers; /* local channel members */
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rb_dlink_list invites;
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rb_dlink_list banlist;
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rb_dlink_list exceptlist;
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rb_dlink_list invexlist;
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rb_dlink_list quietlist;
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time_t first_received_message_time; /* channel flood control */
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int received_number_of_privmsgs;
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int flood_noticed;
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unsigned int join_count; /* joins within delta */
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unsigned int join_delta; /* last ts of join */
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unsigned long bants;
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time_t channelts;
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char *chname;
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};
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struct membership
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{
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rb_dlink_node channode;
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rb_dlink_node locchannode;
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rb_dlink_node usernode;
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struct Channel *chptr;
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struct Client *client_p;
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unsigned int flags;
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unsigned long bants;
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};
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#define BANLEN 195
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struct Ban
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{
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char *banstr;
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char *who;
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time_t when;
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rb_dlink_node node;
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};
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struct mode_letter
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{
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int mode;
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char letter;
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};
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struct ChModeChange
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{
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char letter;
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const char *arg;
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const char *id;
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int dir;
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int caps;
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int nocaps;
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int mems;
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struct Client *client;
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};
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struct ChCapCombo
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{
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int count;
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int cap_yes;
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int cap_no;
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};
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struct ChannelMode
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{
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void (*set_func) (struct Client * source_p, struct Channel * chptr,
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int alevel, int parc, int *parn,
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const char **parv, int *errors, int dir, char c, long mode_type);
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long mode_type;
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};
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typedef int (*ExtbanFunc)(const char *data, struct Client *client_p,
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struct Channel *chptr, long mode_type);
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/* can_send results */
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#define CAN_SEND_NO 0
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#define CAN_SEND_NONOP 1
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#define CAN_SEND_OPV 2
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/* channel status flags */
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#define CHFL_PEON 0x0000 /* normal member of channel */
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#define CHFL_CHANOP 0x0001 /* Channel operator */
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#define CHFL_VOICE 0x0002 /* the power to speak */
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#define CHFL_BANNED 0x0008 /* cached as banned */
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#define CHFL_QUIETED 0x0010 /* cached as being +q victim */
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#define ONLY_SERVERS 0x0020
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#define ALL_MEMBERS CHFL_PEON
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#define ONLY_CHANOPS CHFL_CHANOP
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#define ONLY_CHANOPSVOICED (CHFL_CHANOP|CHFL_VOICE)
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#define is_chanop(x) ((x) && (x)->flags & CHFL_CHANOP)
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#define is_voiced(x) ((x) && (x)->flags & CHFL_VOICE)
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#define is_chanop_voiced(x) ((x) && (x)->flags & (CHFL_CHANOP|CHFL_VOICE))
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#define can_send_banned(x) ((x) && (x)->flags & (CHFL_BANNED|CHFL_QUIETED))
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/* channel modes ONLY */
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#define MODE_PRIVATE 0x0001
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#define MODE_SECRET 0x0002
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#define MODE_MODERATED 0x0004
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#define MODE_TOPICLIMIT 0x0008
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#define MODE_INVITEONLY 0x0010
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#define MODE_NOPRIVMSGS 0x0020
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#define MODE_REGONLY 0x0040
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#define MODE_NOCOLOR 0x0080
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#define MODE_EXLIMIT 0x0100 /* exempt from list limits, +b/+e/+I/+q */
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#define MODE_PERMANENT 0x0200 /* permanant channel, +P */
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#define MODE_OPMODERATE 0x0400 /* send rejected messages to ops */
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#define MODE_FREEINVITE 0x0800 /* allow free use of /invite */
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#define MODE_FREETARGET 0x1000 /* can be forwarded to without authorization */
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#define MODE_DISFORWARD 0x2000 /* disable channel forwarding */
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#define CHFL_BAN 0x10000000 /* ban channel flag */
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#define CHFL_EXCEPTION 0x20000000 /* exception to ban channel flag */
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#define CHFL_INVEX 0x40000000
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#define CHFL_QUIET 0x80000000
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/* mode flags for direction indication */
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#define MODE_QUERY 0
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#define MODE_ADD 1
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#define MODE_DEL -1
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#define SecretChannel(x) ((x) && ((x)->mode.mode & MODE_SECRET))
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#define HiddenChannel(x) ((x) && ((x)->mode.mode & MODE_PRIVATE))
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#define PubChannel(x) ((!x) || ((x)->mode.mode &\
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(MODE_PRIVATE | MODE_SECRET)) == 0)
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/* channel visible */
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#define ShowChannel(v,c) (PubChannel(c) || IsMember((v),(c)))
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#define IsMember(who, chan) ((who && who->user && \
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find_channel_membership(chan, who)) ? 1 : 0)
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#define IsChannelName(name) ((name) && (*(name) == '#' || *(name) == '&'))
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/* extban function results */
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#define EXTBAN_INVALID -1 /* invalid mask, false even if negated */
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#define EXTBAN_NOMATCH 0 /* valid mask, no match */
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#define EXTBAN_MATCH 1 /* matches */
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extern rb_dlink_list global_channel_list;
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void init_channels(void);
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struct Channel *allocate_channel(const char *chname);
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void free_channel(struct Channel *chptr);
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struct Ban *allocate_ban(const char *, const char *);
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void free_ban(struct Ban *bptr);
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extern void destroy_channel(struct Channel *);
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extern int can_send(struct Channel *chptr, struct Client *who,
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struct membership *);
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extern int is_banned(struct Channel *chptr, struct Client *who,
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struct membership *msptr, const char *, const char *);
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extern int is_quieted(struct Channel *chptr, struct Client *who,
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struct membership *msptr, const char *, const char *);
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extern int can_join(struct Client *source_p, struct Channel *chptr, char *key);
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extern struct membership *find_channel_membership(struct Channel *, struct Client *);
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extern const char *find_channel_status(struct membership *msptr, int combine);
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extern void add_user_to_channel(struct Channel *, struct Client *, int flags);
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extern void remove_user_from_channel(struct membership *);
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extern void remove_user_from_channels(struct Client *);
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extern void invalidate_bancache_user(struct Client *);
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extern void free_channel_list(rb_dlink_list *);
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extern int check_channel_name(const char *name);
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extern void channel_member_names(struct Channel *chptr, struct Client *,
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int show_eon);
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extern void del_invite(struct Channel *chptr, struct Client *who);
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const char *channel_modes(struct Channel *chptr, struct Client *who);
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extern struct Channel *find_bannickchange_channel(struct Client *client_p);
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extern void check_spambot_warning(struct Client *source_p, const char *name);
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extern void check_splitmode(void *);
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void set_channel_topic(struct Channel *chptr, const char *topic,
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const char *topic_info, time_t topicts);
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extern void init_chcap_usage_counts(void);
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extern void set_chcap_usage_counts(struct Client *serv_p);
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extern void unset_chcap_usage_counts(struct Client *serv_p);
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extern void send_cap_mode_changes(struct Client *client_p, struct Client *source_p,
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struct Channel *chptr, struct ChModeChange foo[], int);
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extern void set_channel_mode(struct Client *client_p, struct Client *source_p,
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struct Channel *chptr, struct membership *msptr, int parc, const char *parv[]);
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extern struct ChannelMode chmode_table[256];
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extern int add_id(struct Client *source_p, struct Channel *chptr, const char *banid,
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rb_dlink_list * list, long mode_type);
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extern int del_id(struct Channel *chptr, const char *banid, rb_dlink_list * list, long mode_type);
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extern ExtbanFunc extban_table[256];
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extern int match_extban(const char *banstr, struct Client *client_p, struct Channel *chptr, long mode_type);
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extern int valid_extban(const char *banstr, struct Client *client_p, struct Channel *chptr, long mode_type);
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const char * get_extban_string(void);
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#endif /* INCLUDED_channel_h */
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