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/************************************************************************
*
* IRC - Internet Relay Chat, include/channel.h
* Copyright (C) 1990 Jarkko Oikarinen
*
* 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.
*
*
*/
#ifndef INCLUDED_channel_h
#define INCLUDED_channel_h
#ifndef INCLUDED_config_h
#include "config.h" /* config settings */
#endif
#ifndef INCLUDED_ircd_defs_h
#include "ircd_defs.h" /* buffer sizes */
#endif
#ifndef INCLUDED_sys_types_h
#include <sys/types.h> /* time_t */
#define INCLUDED_sys_types_h
#endif
#include "umodes.h"
struct SLink;
struct Client;
/* mode structure for channels */
struct Mode
{
unsigned int mode;
int limit;
char key[KEYLEN + 1];
u_int32_t join_throttle_frequency, join_throttle_limit;
u_int32_t autodline_frequency, autodline_limit;
#ifdef INVITE_CHANNEL_FORWARDING
/* I need this to sync on SJOIN
* (well, the way I'm doing it, anyway)
* -- asuffield
*/
char invite_forward_channel_name[CHANNELLEN + 1];
#endif
};
/* channel structure */
struct Channel
{
struct Channel* nextch;
struct Channel* prevch;
struct Channel* hnextch;
struct Mode mode;
time_t last_join_time;
u_int32_t join_throttle_count;
/* These mirror last_join_time and last_throttle_count */
time_t last_autodline_time;
u_int32_t autodline_count;
char topic[TOPICLEN + 1];
#ifdef TOPIC_INFO
char topic_nick[NICKLEN + 1];
time_t topic_time;
#endif
int users/*, logcount*/;
struct SLink* members;
/* struct SLink* loggers; */
struct SLink* invites;
struct SLink* banlist;
struct SLink* exceptlist;
struct SLink* denylist;
struct SLink* invexlist;
int num_bed; /* number of bans+exceptions+denies */
time_t channelts;
int locally_created; /* used to flag a locally created channel */
int keep_their_modes; /* used only on mode after sjoin */
#ifdef FLUD
time_t fludblock;
struct fludbot* fluders;
char lastmsg[32];
int repeatcount, lastlen;
#endif
#if defined(PRESERVE_CHANNEL_ON_SPLIT) || defined(NO_JOIN_ON_SPLIT)
struct Channel* last_empty_channel;
struct Channel* next_empty_channel;
#endif
char chname[1];
};
typedef struct Channel aChannel;
extern struct Channel *channel;
#define CREATE 1 /* whether a channel should be
created or just tested for existance */
#define MODEBUFLEN 1024 /* Memory is cheap. Let's be safe -- asuffield */
#define NullChn ((aChannel *)0)
#define ChannelExists(n) (hash_find_channel(n, NullChn) != NullChn)
/* Maximum mode changes allowed per client, per server is different */
#define MAXMODEPARAMS 4
extern struct Channel* find_channel (char *, struct Channel *);
extern void remove_user_from_channel(struct Client *,struct Channel *,int);
extern void del_invite (struct Client *, struct Channel *);
extern void send_user_joins (struct Client *, struct Client *);
extern int can_send (struct Client *, struct Channel *);
extern int is_chan_op (struct Client *, struct Channel *);
extern int is_deopped (struct Client *, struct Channel *);
extern int has_voice (struct Client *, struct Channel *);
extern int user_channel_mode(struct Client *, struct Channel *);
extern int count_channels (struct Client *);
extern void send_channel_modes (struct Client *, struct Channel *);
extern int check_channel_name(const char* name);
extern void channel_modes(struct Client *, char *, char *, struct Channel*);
extern void set_channel_mode(struct Client *, struct Client *,
struct Channel *, int, char **);
extern char* pretty_mask(char *);
/* this should eliminate a lot of ifdef's in the main code... -orabidoo */
#ifdef BAN_INFO
# define BANSTR(l) ((l)->value.banptr->banstr)
#else
# define BANSTR(l) ((l)->value.cp)
#endif
/*
** Channel Related macros follow
*/
/* Channel related flags */
#define CHFL_CHANOP 0x00000001 /* Channel operator */
#define CHFL_VOICE 0x00000002 /* the power to speak */
#define CHFL_DEOPPED 0x00000004 /* deopped by us, modes need to be bounced */
#define CHFL_BAN 0x00000008 /* ban channel flag */
#define CHFL_EXCEPTION 0x00000010 /* exception to ban channel flag */
#define CHFL_DENY 0x00000020 /* regular expression deny flag */
#define CHFL_INVEX 0x00000040 /* invex channel flag */
#define CHFL_QUIET 0x00000080 /* quieted on channel -- asuffield */
/* Channel Visibility macros */
#define MODE_CHANOP CHFL_CHANOP
#define MODE_VOICE CHFL_VOICE
#define MODE_DEOPPED CHFL_DEOPPED
#define MODE_SECRET 0x00000010
#define MODE_MODERATED 0x00000020
#define MODE_TOPICLIMIT 0x00000040
#define MODE_INVITEONLY 0x00000080
#define MODE_NOPRIVMSGS 0x00000100
#define MODE_KEY 0x00000200
#define MODE_BAN 0x00000400
#define MODE_EXCEPTION 0x00000800
#define MODE_DENY 0x00001000
#define MODE_INVEX 0x00002000
/* This is for +o/+v, really should be smaller */
#define MODE_FLAGS 0x00001fff
#define MODE_LIMIT 0x00004000
#ifdef INVITE_CHANNEL_FORWARDING
#define MODE_FORWARD 0x00008000
#endif
#define MODE_NOCOLOR 0x00010000
#define MODE_PERM 0x00020000
#ifdef JUPE_CHANNEL
#define MODE_JUPED 0x00080000
#endif
#define MODE_LOGGING 0x00100000
#define MODE_FREEINVITE 0x00200000
#define MODE_OPMODERATE 0x00400000
#define MODE_NOFORWARD 0x00800000
#define MODE_NOUNIDENT 0x01000000
#define MODE_LARGEBANLIST 0x02000000
#define MODE_QUIETUNIDENT 0x04000000
#ifdef NEED_SPLITCODE
#if defined(PRESERVE_CHANNEL_ON_SPLIT) || defined(NO_JOIN_ON_SPLIT)
#define MODE_SPLIT 0x10000000
extern void remove_empty_channels();
#endif
extern int server_was_split;
extern time_t server_split_time;
#ifdef SPLIT_PONG
extern int got_server_pong;
#endif /* SPLIT_PONG */
#endif /* NEED_SPLITCODE */
/* used in SetMode() in channel.c and m_umode() in s_msg.c */
#define MODE_NULL 0
#define MODE_QUERY 0x10000000
#define MODE_ADD 0x40000000
#define MODE_DEL 0x20000000
#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_SECRET))
/* channel visible */
#define ShowChannel(v,c) ((c)->users && \
(HasUmode(v,UMODE_USER_AUSPEX) || PubChannel(c) || IsMember((v),(c))))
#define PubChannel(x) ((!x) || ((x)->mode.mode & MODE_SECRET) == 0)
#define IsMember(blah,chan) ((blah && blah->user && \
find_channel_link((blah->user)->channel, chan)) ? 1 : 0)
#if 0
#define IsLogger(cptr,chptr) ((cptr && cptr->user && \
find_user_link(chptr->loggers, cptr)) ? 1 : 0)
#endif
#define IsLogger(cptr,chptr) 0
#define IsChannelName(name) ((name) && (*(name) == '#'))
#ifdef BAN_INFO
/*
Move BAN_INFO information out of the SLink struct
its _only_ used for bans, no use wasting the memory for it
in any other type of link. Keep in mind, doing this that
it makes it slower as more Malloc's/Free's have to be done,
on the plus side bans are a smaller percentage of SLink usage.
Over all, the th+hybrid coding team came to the conclusion
it was worth the effort.
- Dianora
*/
typedef struct Ban /* also used for exceptions -orabidoo */ /* and for "quieting" -- asuffield */
{
char *banstr;
char *who;
time_t when;
#ifdef BAN_CHANNEL_FORWARDING
struct Channel *ban_forward_chptr;
#endif
char can_join; /* if non-zero, then this is a "quiet" ban and joining the channel is allowed */
} aBan;
#endif
#if defined(INVITE_CHANNEL_FORWARDING) || defined(BAN_CHANNEL_FORWARDING)
#define INVITE_FORWARD 1
#define BAN_FORWARD 2
#endif
extern char* make_nick_user_host(const char *, const char *, const char *);
extern int can_join(struct Client *, struct Channel *, char *, int *);
#endif /* INCLUDED_channel_h */
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