/* * ircd-ratbox: A slightly useful ircd. * channel.h: The ircd channel header. * * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center * Copyright (C) 1996-2002 Hybrid Development Team * Copyright (C) 2002-2005 ircd-ratbox development team * * 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 of the License, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 * USA * * $Id: channel.h 26094 2008-09-19 15:33:46Z androsyn $ */ #ifndef INCLUDED_channel_h #define INCLUDED_channel_h #define MODEBUFLEN 200 /* Maximum mode changes allowed per client, per server is different */ #define MAXMODEPARAMS 4 #define MAXMODEPARAMSSERV 10 extern struct ev_entry *checksplit_ev; struct Client; /* mode structure for channels */ struct Mode { unsigned int mode; int limit; char key[KEYLEN]; }; struct topic_info { char *topic; char topic_info[USERHOST_REPLYLEN]; time_t topic_time; }; /* channel structure */ struct Channel { rb_dlink_node node; struct Mode mode; struct topic_info *topic; time_t last_knock; /* don't allow knock to flood */ rb_dlink_list members; /* channel members */ rb_dlink_list locmembers; /* local channel members */ rb_dlink_list invites; rb_dlink_list banlist; rb_dlink_list exceptlist; rb_dlink_list invexlist; time_t first_received_message_time; /* channel flood control */ int received_number_of_privmsgs; int flood_noticed; uint32_t ban_serial; time_t channelts; char *chname; }; struct membership { rb_dlink_node channode; rb_dlink_node locchannode; rb_dlink_node usernode; struct Channel *chptr; struct Client *client_p; uint8_t flags; uint32_t ban_serial; }; #define BANLEN NICKLEN+USERLEN+HOSTLEN+6 struct Ban { char *banstr; char *who; time_t when; rb_dlink_node node; }; struct ChModeChange { char letter; const char *arg; const char *id; int dir; int caps; int nocaps; int mems; struct Client *client; }; struct ChCapCombo { int count; int cap_yes; int cap_no; }; /* can_send results */ #define CAN_SEND_NO 0 #define CAN_SEND_NONOP 1 #define CAN_SEND_OPV 2 /* channel status flags */ #define CHFL_PEON 0x0000 /* normal member of channel */ #define CHFL_CHANOP 0x0001 /* Channel operator */ #define CHFL_VOICE 0x0002 /* the power to speak */ #define CHFL_DEOPPED 0x0004 /* deopped on sjoin, bounce modes */ #define CHFL_BANNED 0x0008 /* cached as banned */ #define ONLY_SERVERS 0x0010 #define ALL_MEMBERS CHFL_PEON #define ONLY_CHANOPS CHFL_CHANOP #define ONLY_CHANOPSVOICED (CHFL_CHANOP|CHFL_VOICE) #define is_chanop(x) ((x) && (x)->flags & CHFL_CHANOP) #define is_voiced(x) ((x) && (x)->flags & CHFL_VOICE) #define is_chanop_voiced(x) ((x) && (x)->flags & (CHFL_CHANOP|CHFL_VOICE)) #define is_deop(x) ((x) && (x)->flags & CHFL_DEOPPED) #define can_send_banned(x) ((x) && (x)->flags & CHFL_BANNED) /* channel modes ONLY */ #define MODE_PRIVATE 0x0001 #define MODE_SECRET 0x0002 #define MODE_MODERATED 0x0004 #define MODE_TOPICLIMIT 0x0008 #define MODE_INVITEONLY 0x0010 #define MODE_NOPRIVMSGS 0x0020 #define MODE_REGONLY 0x0040 #define MODE_SSLONLY 0x0080 #define CHFL_BAN 0x0100 /* ban channel flag */ #define CHFL_EXCEPTION 0x0200 /* exception to ban channel flag */ #define CHFL_INVEX 0x0400 /* mode flags for direction indication */ #define MODE_QUERY 0 #define MODE_ADD 1 #define MODE_DEL -1 #define SecretChannel(x) ((x) && ((x)->mode.mode & MODE_SECRET)) #define HiddenChannel(x) ((x) && ((x)->mode.mode & MODE_PRIVATE)) #define PubChannel(x) ((!x) || ((x)->mode.mode &\ (MODE_PRIVATE | MODE_SECRET)) == 0) /* channel visible */ #define ShowChannel(v,c) (PubChannel(c) || IsMember((v),(c))) #define IsMember(who, chan) ((who && who->user && \ find_channel_membership(chan, who)) ? 1 : 0) #define IsChannelName(name) ((name) && (*(name) == '#' || *(name) == '&')) extern rb_dlink_list global_channel_list; void init_channels(void); struct Channel *allocate_channel(const char *chname); void free_channel(struct Channel *chptr); struct Ban *allocate_ban(const char *, const char *); void free_ban(struct Ban *bptr); void destroy_channel(struct Channel *); int can_send(struct Channel *chptr, struct Client *who, struct membership *); int is_banned(struct Channel *chptr, struct Client *who, struct membership *msptr, const char *, const char *); struct membership *find_channel_membership(struct Channel *, struct Client *); const char *find_channel_status(struct membership *msptr, int combine); void add_user_to_channel(struct Channel *, struct Client *, int flags); void remove_user_from_channel(struct membership *); void remove_user_from_channels(struct Client *); void invalidate_bancache_user(struct Client *); void free_channel_list(rb_dlink_list *); int check_channel_name(const char *name); void channel_member_names(struct Channel *chptr, struct Client *, int show_eon); void del_invite(struct Channel *chptr, struct Client *who); const char *channel_modes(struct Channel *chptr, struct Client *who); void check_spambot_warning(struct Client *source_p, const char *name); void check_splitmode(void *); void set_channel_topic(struct Channel *chptr, const char *topic, const char *topic_info, time_t topicts); void init_chcap_usage_counts(void); void set_chcap_usage_counts(struct Client *serv_p); void unset_chcap_usage_counts(struct Client *serv_p); void send_cap_mode_changes(struct Client *client_p, struct Client *source_p, struct Channel *chptr, struct ChModeChange foo[], int); #endif /* INCLUDED_channel_h */