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212380e3 | 1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * channel.h: The ircd channel header. | |
4 | * | |
5 | * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center | |
6 | * Copyright (C) 1996-2002 Hybrid Development Team | |
7 | * Copyright (C) 2002-2004 ircd-ratbox development team | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 | |
22 | * USA | |
23 | * | |
212380e3 | 24 | */ |
25 | ||
26 | #ifndef INCLUDED_channel_h | |
27 | #define INCLUDED_channel_h | |
212380e3 | 28 | |
29 | #define MODEBUFLEN 200 | |
30 | ||
31 | /* Maximum mode changes allowed per client, per server is different */ | |
32 | #define MAXMODEPARAMS 4 | |
33 | #define MAXMODEPARAMSSERV 10 | |
34 | ||
35 | struct Client; | |
36 | ||
37 | /* mode structure for channels */ | |
38 | struct Mode | |
39 | { | |
40 | unsigned int mode; | |
34f6a40e | 41 | unsigned int off_mode; |
212380e3 | 42 | int limit; |
43 | char key[KEYLEN]; | |
44 | unsigned int join_num; | |
45 | unsigned int join_time; | |
46 | char forward[LOC_CHANNELLEN + 1]; | |
47 | }; | |
48 | ||
49 | /* channel structure */ | |
50 | struct Channel | |
51 | { | |
08d11e34 | 52 | rb_dlink_node node; |
212380e3 | 53 | struct Mode mode; |
dc45456c | 54 | struct Mode mode_lock; |
212380e3 | 55 | char *topic; |
56 | char *topic_info; | |
57 | time_t topic_time; | |
212380e3 | 58 | time_t last_knock; /* don't allow knock to flood */ |
59 | ||
08d11e34 WP |
60 | rb_dlink_list members; /* channel members */ |
61 | rb_dlink_list locmembers; /* local channel members */ | |
212380e3 | 62 | |
08d11e34 WP |
63 | rb_dlink_list invites; |
64 | rb_dlink_list banlist; | |
65 | rb_dlink_list exceptlist; | |
66 | rb_dlink_list invexlist; | |
67 | rb_dlink_list quietlist; | |
212380e3 | 68 | |
69 | time_t first_received_message_time; /* channel flood control */ | |
70 | int received_number_of_privmsgs; | |
71 | int flood_noticed; | |
72 | ||
73 | unsigned int join_count; /* joins within delta */ | |
74 | unsigned int join_delta; /* last ts of join */ | |
75 | ||
0b370fcc | 76 | struct Dictionary *metadata; |
6f659342 | 77 | |
212380e3 | 78 | unsigned long bants; |
79 | time_t channelts; | |
80 | char *chname; | |
81 | }; | |
82 | ||
83 | struct membership | |
84 | { | |
08d11e34 WP |
85 | rb_dlink_node channode; |
86 | rb_dlink_node locchannode; | |
87 | rb_dlink_node usernode; | |
212380e3 | 88 | |
89 | struct Channel *chptr; | |
90 | struct Client *client_p; | |
91 | unsigned int flags; | |
92 | ||
93 | unsigned long bants; | |
94 | }; | |
95 | ||
83294285 | 96 | #define BANLEN 195 |
212380e3 | 97 | struct Ban |
98 | { | |
99 | char *banstr; | |
100 | char *who; | |
101 | time_t when; | |
08d11e34 | 102 | rb_dlink_node node; |
212380e3 | 103 | }; |
104 | ||
2a719c44 JT |
105 | struct mode_letter |
106 | { | |
107 | int mode; | |
108 | char letter; | |
109 | }; | |
110 | ||
212380e3 | 111 | struct ChModeChange |
112 | { | |
113 | char letter; | |
114 | const char *arg; | |
115 | const char *id; | |
116 | int dir; | |
117 | int caps; | |
118 | int nocaps; | |
119 | int mems; | |
eccd1c58 | 120 | int override; |
212380e3 | 121 | struct Client *client; |
122 | }; | |
123 | ||
124 | struct ChCapCombo | |
125 | { | |
126 | int count; | |
127 | int cap_yes; | |
128 | int cap_no; | |
129 | }; | |
130 | ||
6795400d JT |
131 | typedef void (*ChannelModeFunc)(struct Client *source_p, struct Channel *chptr, |
132 | int alevel, int parc, int *parn, | |
133 | const char **parv, int *errors, int dir, char c, long mode_type); | |
134 | ||
212380e3 | 135 | struct ChannelMode |
136 | { | |
6795400d | 137 | ChannelModeFunc set_func; |
212380e3 | 138 | long mode_type; |
139 | }; | |
140 | ||
1fe75e33 G |
141 | /* modes added by the module files in modes/ */ |
142 | struct module_modes | |
143 | { | |
144 | unsigned int MODE_REGONLY; | |
145 | unsigned int MODE_NOCTCP; /* Block CTCPs directed to this channel */ | |
146 | unsigned int MODE_NOCOLOR; | |
147 | unsigned int MODE_EXLIMIT; /* exempt from list limits, +b/+e/+I/+q */ | |
148 | unsigned int MODE_PERMANENT; /* permanant channel, +P */ | |
149 | unsigned int MODE_OPMODERATE; /* send rejected messages to ops */ | |
150 | unsigned int MODE_FREEINVITE; /* allow free use of /invite */ | |
151 | unsigned int MODE_FREETARGET; /* can be forwarded to without authorization */ | |
152 | unsigned int MODE_DISFORWARD; /* disable channel forwarding */ | |
153 | unsigned int MODE_THROTTLE; /* throttle joins */ | |
154 | unsigned int MODE_FORWARD; | |
155 | unsigned int MODE_NONOTICE; /* Block notices directed to this channel */ | |
156 | unsigned int MODE_NOACTION; /* Block CTCP ACTION directed to this channel */ | |
157 | unsigned int MODE_NOKICK; /* Disable /kick on this channel */ | |
158 | unsigned int MODE_NONICK; /* Disable /nick for anyone on this channel */ | |
159 | unsigned int MODE_NOCAPS; /* Block messages in all capital letters */ | |
160 | unsigned int MODE_NOREJOIN; /* Block rejoin immediately after kick */ | |
161 | unsigned int MODE_NOREPEAT; /* Block repeat messages */ | |
162 | unsigned int MODE_NOOPERKICK; /* disallow kicking opers */ | |
163 | ||
164 | unsigned int CHFL_QUIET; | |
165 | }; | |
166 | ||
212380e3 | 167 | typedef int (*ExtbanFunc)(const char *data, struct Client *client_p, |
168 | struct Channel *chptr, long mode_type); | |
169 | ||
170 | /* can_send results */ | |
171 | #define CAN_SEND_NO 0 | |
172 | #define CAN_SEND_NONOP 1 | |
173 | #define CAN_SEND_OPV 2 | |
174 | ||
175 | /* channel status flags */ | |
176 | #define CHFL_PEON 0x0000 /* normal member of channel */ | |
177 | #define CHFL_CHANOP 0x0001 /* Channel operator */ | |
178 | #define CHFL_VOICE 0x0002 /* the power to speak */ | |
212380e3 | 179 | #define CHFL_BANNED 0x0008 /* cached as banned */ |
180 | #define CHFL_QUIETED 0x0010 /* cached as being +q victim */ | |
181 | #define ONLY_SERVERS 0x0020 | |
82f8e812 | 182 | #define CHFL_HALFOP 0x0040 |
c1c91f94 | 183 | #define CHFL_ADMIN 0x0080 |
1cdd8fdf | 184 | #define ONLY_OPERS 0x0100 |
212380e3 | 185 | #define ALL_MEMBERS CHFL_PEON |
f135c537 G |
186 | #define ONLY_CHANOPS (CHFL_ADMIN|CHFL_CHANOP|CHFL_HALFOP) |
187 | #define ONLY_CHANOPSVOICED (CHFL_ADMIN|CHFL_CHANOP|CHFL_HALFOP|CHFL_VOICE) | |
212380e3 | 188 | |
82f8e812 | 189 | #define is_chmode_h(x) ((x) && (x)->flags & CHFL_HALFOP) /* does not check if halfop is enabled, should typically not be used */ |
c1c91f94 | 190 | #define is_chmode_a(x) ((x) && (x)->flags & CHFL_ADMIN) /* does not check if admin is enabled, should typically not be used */ |
212380e3 | 191 | #define is_chanop(x) ((x) && (x)->flags & CHFL_CHANOP) |
192 | #define is_voiced(x) ((x) && (x)->flags & CHFL_VOICE) | |
212380e3 | 193 | #define can_send_banned(x) ((x) && (x)->flags & (CHFL_BANNED|CHFL_QUIETED)) |
194 | ||
195 | /* channel modes ONLY */ | |
196 | #define MODE_PRIVATE 0x0001 | |
197 | #define MODE_SECRET 0x0002 | |
198 | #define MODE_MODERATED 0x0004 | |
199 | #define MODE_TOPICLIMIT 0x0008 | |
200 | #define MODE_INVITEONLY 0x0010 | |
201 | #define MODE_NOPRIVMSGS 0x0020 | |
212380e3 | 202 | |
203 | #define CHFL_BAN 0x10000000 /* ban channel flag */ | |
204 | #define CHFL_EXCEPTION 0x20000000 /* exception to ban channel flag */ | |
205 | #define CHFL_INVEX 0x40000000 | |
212380e3 | 206 | |
207 | /* mode flags for direction indication */ | |
208 | #define MODE_QUERY 0 | |
209 | #define MODE_ADD 1 | |
210 | #define MODE_DEL -1 | |
211 | ||
212 | #define SecretChannel(x) ((x) && ((x)->mode.mode & MODE_SECRET)) | |
213 | #define HiddenChannel(x) ((x) && ((x)->mode.mode & MODE_PRIVATE)) | |
214 | #define PubChannel(x) ((!x) || ((x)->mode.mode &\ | |
215 | (MODE_PRIVATE | MODE_SECRET)) == 0) | |
216 | ||
217 | /* channel visible */ | |
218 | #define ShowChannel(v,c) (PubChannel(c) || IsMember((v),(c))) | |
219 | ||
220 | #define IsMember(who, chan) ((who && who->user && \ | |
221 | find_channel_membership(chan, who)) ? 1 : 0) | |
222 | ||
223 | #define IsChannelName(name) ((name) && (*(name) == '#' || *(name) == '&')) | |
224 | ||
225 | /* extban function results */ | |
226 | #define EXTBAN_INVALID -1 /* invalid mask, false even if negated */ | |
227 | #define EXTBAN_NOMATCH 0 /* valid mask, no match */ | |
228 | #define EXTBAN_MATCH 1 /* matches */ | |
229 | ||
08d11e34 | 230 | extern rb_dlink_list global_channel_list; |
212380e3 | 231 | void init_channels(void); |
1fe75e33 | 232 | void init_module_modes(void); |
212380e3 | 233 | |
234 | struct Channel *allocate_channel(const char *chname); | |
235 | void free_channel(struct Channel *chptr); | |
236 | struct Ban *allocate_ban(const char *, const char *); | |
237 | void free_ban(struct Ban *bptr); | |
238 | ||
239 | ||
240 | extern void destroy_channel(struct Channel *); | |
241 | ||
242 | extern int can_send(struct Channel *chptr, struct Client *who, | |
243 | struct membership *); | |
244 | extern int is_banned(struct Channel *chptr, struct Client *who, | |
245 | struct membership *msptr, const char *, const char *); | |
246 | extern int is_quieted(struct Channel *chptr, struct Client *who, | |
247 | struct membership *msptr, const char *, const char *); | |
248 | extern int can_join(struct Client *source_p, struct Channel *chptr, char *key); | |
249 | ||
250 | extern struct membership *find_channel_membership(struct Channel *, struct Client *); | |
251 | extern const char *find_channel_status(struct membership *msptr, int combine); | |
40c6b59b | 252 | extern int is_halfop(struct membership *msptr); |
c1c91f94 | 253 | extern int is_admin(struct membership *msptr); |
d1c7eccf | 254 | extern int is_any_op(struct membership *msptr); |
bbc69733 | 255 | extern int is_chanop_voiced(struct membership *msptr); |
b3b2ed97 | 256 | extern int can_kick_deop(struct membership *source, struct membership *target); |
212380e3 | 257 | extern void add_user_to_channel(struct Channel *, struct Client *, int flags); |
258 | extern void remove_user_from_channel(struct membership *); | |
259 | extern void remove_user_from_channels(struct Client *); | |
260 | extern void invalidate_bancache_user(struct Client *); | |
261 | ||
08d11e34 | 262 | extern void free_channel_list(rb_dlink_list *); |
212380e3 | 263 | |
264 | extern int check_channel_name(const char *name); | |
265 | ||
266 | extern void channel_member_names(struct Channel *chptr, struct Client *, | |
267 | int show_eon); | |
268 | ||
269 | extern void del_invite(struct Channel *chptr, struct Client *who); | |
270 | ||
ea84bfde | 271 | const char *channel_modes(struct Channel *chptr, struct Client *who); |
212380e3 | 272 | |
c279d43b G |
273 | extern int has_common_channel(struct Client *client1, struct Client *client2); |
274 | ||
212380e3 | 275 | extern struct Channel *find_bannickchange_channel(struct Client *client_p); |
276 | ||
afd4834b G |
277 | extern struct Channel *find_nonickchange_channel(struct Client *client_p); |
278 | ||
212380e3 | 279 | extern void check_spambot_warning(struct Client *source_p, const char *name); |
280 | ||
281 | extern void check_splitmode(void *); | |
282 | ||
283 | void set_channel_topic(struct Channel *chptr, const char *topic, | |
284 | const char *topic_info, time_t topicts); | |
285 | ||
286 | extern void init_chcap_usage_counts(void); | |
287 | extern void set_chcap_usage_counts(struct Client *serv_p); | |
288 | extern void unset_chcap_usage_counts(struct Client *serv_p); | |
289 | extern void send_cap_mode_changes(struct Client *client_p, struct Client *source_p, | |
290 | struct Channel *chptr, struct ChModeChange foo[], int); | |
291 | ||
9b9d818b JT |
292 | void resv_chan_forcepart(const char *name, const char *reason, int temp_time); |
293 | ||
212380e3 | 294 | extern void set_channel_mode(struct Client *client_p, struct Client *source_p, |
295 | struct Channel *chptr, struct membership *msptr, int parc, const char *parv[]); | |
296 | ||
297 | extern struct ChannelMode chmode_table[256]; | |
298 | ||
299 | extern int add_id(struct Client *source_p, struct Channel *chptr, const char *banid, | |
08d11e34 | 300 | rb_dlink_list * list, long mode_type); |
212380e3 | 301 | |
08d11e34 | 302 | extern int del_id(struct Channel *chptr, const char *banid, rb_dlink_list * list, long mode_type); |
212380e3 | 303 | |
304 | extern ExtbanFunc extban_table[256]; | |
305 | ||
306 | extern int match_extban(const char *banstr, struct Client *client_p, struct Channel *chptr, long mode_type); | |
307 | extern int valid_extban(const char *banstr, struct Client *client_p, struct Channel *chptr, long mode_type); | |
308 | const char * get_extban_string(void); | |
309 | ||
67b90240 | 310 | extern struct Channel * check_forward(struct Client *source_p, struct Channel *chptr, char *key); |
677e21a4 | 311 | extern void user_join(struct Client * client_p, struct Client * source_p, const char * channels, const char * keys); |
9230426e JH |
312 | extern void do_join_0(struct Client *client_p, struct Client *source_p); |
313 | extern int check_channel_name_loc(struct Client *source_p, const char *name); | |
212380e3 | 314 | |
104becbf | 315 | extern struct Metadata *channel_metadata_add(struct Channel *target, const char *name, const char *value, int propegate); |
6a97cac6 | 316 | extern struct Metadata *channel_metadata_time_add(struct Channel *target, const char *name, time_t timevalue, const char *value); |
104becbf G |
317 | extern void channel_metadata_delete(struct Channel *target, const char *name, int propegate); |
318 | extern struct Metadata *channel_metadata_find(struct Channel *target, const char *name); | |
8bced6dc | 319 | extern void channel_metadata_clear(struct Channel *target); |
104becbf G |
320 | |
321 | ||
212380e3 | 322 | #endif /* INCLUDED_channel_h */ |