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root/svn/ircd-hybrid/trunk/include/client.h
Revision: 2185
Committed: Tue Jun 4 12:29:18 2013 UTC (10 years, 9 months ago) by michael
Content type: text/x-chdr
File size: 21405 byte(s)
Log Message:
- Removed usermode +C

File Contents

# Content
1 /*
2 * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3 *
4 * Copyright (C) 2002 by the past and present ircd coders, and others.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19 * USA
20 */
21
22 /*! \file client.h
23 * \brief Header including structures, macros and prototypes for client handling
24 * \version $Id$
25 */
26
27
28 #ifndef INCLUDED_client_h
29 #define INCLUDED_client_h
30
31 #include "list.h"
32 #include "fdlist.h"
33 #include "config.h"
34 #include "ircd_defs.h"
35 #include "dbuf.h"
36 #include "channel.h"
37 #include "s_auth.h"
38
39 /*
40 * status macros.
41 */
42 #define STAT_CONNECTING 0x01
43 #define STAT_HANDSHAKE 0x02
44 #define STAT_ME 0x04
45 #define STAT_UNKNOWN 0x08
46 #define STAT_SERVER 0x10
47 #define STAT_CLIENT 0x20
48
49 #define REG_NEED_USER 0x1
50 #define REG_NEED_NICK 0x2
51 #define REG_NEED_CAP 0x4
52 #define REG_INIT (REG_NEED_USER|REG_NEED_NICK)
53
54 #define HasID(x) ((x)->id[0] != '\0')
55 #define ID(x) (HasID(x) ? (x)->id : (x)->name)
56 #define ID_or_name(x,client_p) ((IsCapable(client_p, CAP_TS6) && HasID(x)) ? (x)->id : (x)->name)
57
58 #define IsRegistered(x) ((x)->status > STAT_UNKNOWN)
59 #define IsConnecting(x) ((x)->status == STAT_CONNECTING)
60 #define IsHandshake(x) ((x)->status == STAT_HANDSHAKE)
61 #define IsMe(x) ((x)->status == STAT_ME)
62 #define IsUnknown(x) ((x)->status == STAT_UNKNOWN)
63 #define IsServer(x) ((x)->status == STAT_SERVER)
64 #define IsClient(x) ((x)->status == STAT_CLIENT)
65
66 #define SetConnecting(x) {(x)->status = STAT_CONNECTING; \
67 (x)->handler = UNREGISTERED_HANDLER; }
68
69 #define SetHandshake(x) {(x)->status = STAT_HANDSHAKE; \
70 (x)->handler = UNREGISTERED_HANDLER; }
71
72 #define SetMe(x) {(x)->status = STAT_ME; \
73 (x)->handler = UNREGISTERED_HANDLER; }
74
75 #define SetUnknown(x) {(x)->status = STAT_UNKNOWN; \
76 (x)->handler = UNREGISTERED_HANDLER; }
77
78 #define SetServer(x) {(x)->status = STAT_SERVER; \
79 (x)->handler = SERVER_HANDLER; }
80
81 #define SetClient(x) {(x)->status = STAT_CLIENT; \
82 (x)->handler = HasUMode(x, UMODE_OPER) ? \
83 OPER_HANDLER : CLIENT_HANDLER; }
84
85 #define MyConnect(x) ((x)->localClient != NULL)
86 #define MyClient(x) (MyConnect(x) && IsClient(x))
87
88 /*
89 * ts stuff
90 */
91 #define TS_CURRENT 6 /**< current TS protocol version */
92 #define TS_MIN 5 /**< minimum supported TS protocol version */
93 #define TS_DOESTS 0x20000000
94 #define DoesTS(x) ((x)->tsinfo == TS_DOESTS)
95
96
97
98 #define CAP_MULTI_PREFIX 0x00000001
99 #define CAP_AWAY_NOTIFY 0x00000002
100
101 #define HasCap(x, y) ((x)->localClient->cap_active & (y))
102
103 /* housekeeping flags */
104 #define FLAGS_PINGSENT 0x00000001 /**< Unreplied ping sent */
105 #define FLAGS_DEADSOCKET 0x00000002 /**< Local socket is dead--Exiting soon */
106 #define FLAGS_KILLED 0x00000004 /**< Prevents "QUIT" from being sent for this */
107 #define FLAGS_CLOSING 0x00000008 /**< set when closing to suppress errors */
108 #define FLAGS_GOTID 0x00000010 /**< successful ident lookup achieved */
109 #define FLAGS_NEEDID 0x00000020 /**< auth{} block say must use ident return */
110 #define FLAGS_SENDQEX 0x00000040 /**< Sendq exceeded */
111 #define FLAGS_IPHASH 0x00000080 /**< iphashed this client */
112 #define FLAGS_MARK 0x00000100 /**< marked client */
113 #define FLAGS_CANFLOOD 0x00000200 /**< client has the ability to flood */
114 #define FLAGS_EXEMPTGLINE 0x00000400 /**< client can't be G-lined */
115 #define FLAGS_EXEMPTKLINE 0x00000800 /**< client is exempt from kline */
116 #define FLAGS_NOLIMIT 0x00001000 /**< client is exempt from limits */
117 #define FLAGS_PING_COOKIE 0x00002000 /**< PING Cookie */
118 #define FLAGS_IP_SPOOFING 0x00004000 /**< client IP is spoofed */
119 #define FLAGS_FLOODDONE 0x00008000 /**< Flood grace period has been ended. */
120 #define FLAGS_EOB 0x00010000 /**< server has sent us an EOB */
121 #define FLAGS_HIDDEN 0x00020000 /**< a hidden server. not shown in /links */
122 #define FLAGS_BLOCKED 0x00040000 /**< must wait for COMM_SELECT_WRITE */
123 #define FLAGS_USERHOST 0x00080000 /**< client is in userhost hash */
124 #define FLAGS_BURSTED 0x00100000 /**< user was already bursted */
125 #define FLAGS_EXEMPTRESV 0x00200000 /**< client is exempt from RESV */
126 #define FLAGS_GOTUSER 0x00400000 /**< if we received a USER command */
127 #define FLAGS_FINISHED_AUTH 0x00800000 /**< Client has been released from auth */
128 #define FLAGS_FLOOD_NOTICED 0x01000000 /**< Notice to opers about this flooder has been sent */
129 #define FLAGS_SERVICE 0x02000000 /**< Client/server is a network service */
130 #define FLAGS_AUTH_SPOOF 0x04000000 /**< user's hostname has been spoofed by an auth{} spoof*/
131
132 #define HasFlag(x, y) ((x)->flags & (y))
133 #define AddFlag(x, y) ((x)->flags |= (y))
134 #define DelFlag(x, y) ((x)->flags &= ~(y))
135
136
137
138 /* umodes, settable flags */
139 #define UMODE_SERVNOTICE 0x00000001 /**< server notices such as kill */
140 #define UMODE_CCONN 0x00000002 /**< Client Connections */
141 #define UMODE_REJ 0x00000004 /**< Bot Rejections */
142 #define UMODE_SKILL 0x00000008 /**< Server Killed */
143 #define UMODE_FULL 0x00000010 /**< Full messages */
144 #define UMODE_SPY 0x00000020 /**< see STATS / LINKS */
145 #define UMODE_DEBUG 0x00000040 /**< 'debugging' info */
146 #define UMODE_NCHANGE 0x00000080 /**< Nick change notice */
147 #define UMODE_WALLOP 0x00000100 /**< send wallops to them */
148 #define UMODE_OPERWALL 0x00000200 /**< Operwalls */
149 #define UMODE_INVISIBLE 0x00000400 /**< makes user invisible */
150 #define UMODE_BOTS 0x00000800 /**< shows bots */
151 #define UMODE_EXTERNAL 0x00001000 /**< show servers introduced and splitting */
152 #define UMODE_CALLERID 0x00002000 /**< block unless caller id's */
153 #define UMODE_SOFTCALLERID 0x00004000 /**< block unless on common channel */
154 #define UMODE_UNAUTH 0x00008000 /**< show unauth connects here */
155 #define UMODE_LOCOPS 0x00010000 /**< show locops */
156 #define UMODE_DEAF 0x00020000 /**< don't receive channel messages */
157 #define UMODE_REGISTERED 0x00040000 /**< User has identified for that nick. */
158 #define UMODE_REGONLY 0x00080000 /**< Only registered nicks may PM */
159 #define UMODE_HIDDEN 0x00100000 /**< Operator status is hidden */
160 #define UMODE_OPER 0x00200000 /**< Operator */
161 #define UMODE_ADMIN 0x00400000 /**< Admin on server */
162 #define UMODE_FARCONNECT 0x00800000 /**< Can see remote client connects/exits */
163 #define UMODE_HIDDENHOST 0x01000000 /**< User's host is hidden */
164
165
166 #define UMODE_ALL UMODE_SERVNOTICE
167
168 #define HasUMode(x, y) ((x)->umodes & (y))
169 #define AddUMode(x, y) ((x)->umodes |= (y))
170 #define DelUMode(x, y) ((x)->umodes &= ~(y))
171
172 #define SEND_UMODES (UMODE_INVISIBLE | UMODE_OPER | UMODE_WALLOP |\
173 UMODE_REGONLY | UMODE_REGISTERED | UMODE_ADMIN |\
174 UMODE_HIDDEN)
175
176
177
178 /* oper priv flags */
179 #define OPER_FLAG_KILL_REMOTE 0x00000001 /**< Oper can global kill */
180 #define OPER_FLAG_KILL 0x00000002 /**< Oper can do local KILL */
181 #define OPER_FLAG_UNKLINE 0x00000004 /**< Oper can use unkline */
182 #define OPER_FLAG_GLINE 0x00000008 /**< Oper can use gline */
183 #define OPER_FLAG_K 0x00000010 /**< Oper can kill/kline */
184 #define OPER_FLAG_X 0x00000020 /**< Oper can xline */
185 #define OPER_FLAG_DIE 0x00000040 /**< Oper can die */
186 #define OPER_FLAG_REHASH 0x00000080 /**< Oper can rehash */
187 #define OPER_FLAG_ADMIN 0x00000100 /**< Oper can set umode +a */
188 #define OPER_FLAG_OPERWALL 0x00000200 /**< Oper can use OPERWALL command */
189 #define OPER_FLAG_REMOTEBAN 0x00000400 /**< Oper can set remote bans */
190 #define OPER_FLAG_GLOBOPS 0x00000800 /**< Oper can use GLOBOPS command */
191 #define OPER_FLAG_MODULE 0x00001000 /**< Oper can use MODULE commands */
192 #define OPER_FLAG_RESTART 0x00002000 /**< Oper can use RESTART command */
193 #define OPER_FLAG_DLINE 0x00004000 /**< Oper can use DLINE command */
194 #define OPER_FLAG_UNDLINE 0x00008000 /**< Oper can use UNDLINE command */
195 #define OPER_FLAG_SET 0x00010000 /**< Oper can use SET command */
196 #define OPER_FLAG_SQUIT 0x00020000 /**< Oper can do local SQUIT */
197 #define OPER_FLAG_SQUIT_REMOTE 0x00040000 /**< Oper can do global SQUIT */
198 #define OPER_FLAG_CONNECT 0x00080000 /**< Oper can do local CONNECT */
199 #define OPER_FLAG_CONNECT_REMOTE 0x00100000 /**< Oper can do global CONNECT */
200 #define OPER_FLAG_WALLOPS 0x00200000 /**< Oper can do WALLOPS */
201 #define OPER_FLAG_LOCOPS 0x00400000 /**< Oper can do LOCOPS */
202
203 #define HasOFlag(x, y) (MyConnect(x) ? (x)->localClient->operflags & (y) : 0)
204 #define AddOFlag(x, y) ((x)->localClient->operflags |= (y))
205 #define DelOFlag(x, y) ((x)->localClient->operflags &= ~(y))
206 #define ClrOFlag(x) ((x)->localClient->operflags = 0)
207
208
209
210 /* flags macros. */
211 #define IsAuthFinished(x) ((x)->flags & FLAGS_FINISHED_AUTH)
212 #define IsDead(x) ((x)->flags & FLAGS_DEADSOCKET)
213 #define SetDead(x) ((x)->flags |= FLAGS_DEADSOCKET)
214 #define IsClosing(x) ((x)->flags & FLAGS_CLOSING)
215 #define SetClosing(x) ((x)->flags |= FLAGS_CLOSING)
216 #define SetCanFlood(x) ((x)->flags |= FLAGS_CANFLOOD)
217 #define IsCanFlood(x) ((x)->flags & FLAGS_CANFLOOD)
218 #define IsDefunct(x) ((x)->flags & (FLAGS_DEADSOCKET|FLAGS_CLOSING| \
219 FLAGS_KILLED))
220
221 /* oper flags */
222 #define MyOper(x) (MyConnect(x) && HasUMode(x, UMODE_OPER))
223
224 #define SetOper(x) {(x)->umodes |= UMODE_OPER; \
225 if (!IsServer((x))) (x)->handler = OPER_HANDLER;}
226
227 #define ClearOper(x) {(x)->umodes &= ~(UMODE_OPER|UMODE_ADMIN); \
228 if (!HasUMode(x, UMODE_OPER) && !IsServer((x))) \
229 (x)->handler = CLIENT_HANDLER; }
230
231 #define SetSendQExceeded(x) ((x)->flags |= FLAGS_SENDQEX)
232 #define IsSendQExceeded(x) ((x)->flags & FLAGS_SENDQEX)
233
234 #define SetIpHash(x) ((x)->flags |= FLAGS_IPHASH)
235 #define ClearIpHash(x) ((x)->flags &= ~FLAGS_IPHASH)
236 #define IsIpHash(x) ((x)->flags & FLAGS_IPHASH)
237
238 #define SetUserHost(x) ((x)->flags |= FLAGS_USERHOST)
239 #define ClearUserHost(x) ((x)->flags &= ~FLAGS_USERHOST)
240 #define IsUserHostIp(x) ((x)->flags & FLAGS_USERHOST)
241
242 #define SetPingSent(x) ((x)->flags |= FLAGS_PINGSENT)
243 #define IsPingSent(x) ((x)->flags & FLAGS_PINGSENT)
244 #define ClearPingSent(x) ((x)->flags &= ~FLAGS_PINGSENT)
245
246 #define SetNeedId(x) ((x)->flags |= FLAGS_NEEDID)
247 #define IsNeedId(x) ((x)->flags & FLAGS_NEEDID)
248
249 #define SetGotId(x) ((x)->flags |= FLAGS_GOTID)
250 #define IsGotId(x) ((x)->flags & FLAGS_GOTID)
251
252 #define IsExemptKline(x) ((x)->flags & FLAGS_EXEMPTKLINE)
253 #define SetExemptKline(x) ((x)->flags |= FLAGS_EXEMPTKLINE)
254 #define IsExemptLimits(x) ((x)->flags & FLAGS_NOLIMIT)
255 #define SetExemptLimits(x) ((x)->flags |= FLAGS_NOLIMIT)
256 #define IsExemptGline(x) ((x)->flags & FLAGS_EXEMPTGLINE)
257 #define SetExemptGline(x) ((x)->flags |= FLAGS_EXEMPTGLINE)
258 #define IsExemptResv(x) ((x)->flags & FLAGS_EXEMPTRESV)
259 #define SetExemptResv(x) ((x)->flags |= FLAGS_EXEMPTRESV)
260 #define SetIPSpoof(x) ((x)->flags |= FLAGS_IP_SPOOFING)
261 #define IsIPSpoof(x) ((x)->flags & FLAGS_IP_SPOOFING)
262 #define DelIPSpoof(x) ((x)->flags &= ~FLAGS_IP_SPOOFING)
263
264 #define IsFloodDone(x) ((x)->flags & FLAGS_FLOODDONE)
265 #define SetFloodDone(x) ((x)->flags |= FLAGS_FLOODDONE)
266 #define HasPingCookie(x) ((x)->flags & FLAGS_PING_COOKIE)
267 #define SetPingCookie(x) ((x)->flags |= FLAGS_PING_COOKIE)
268 #define IsHidden(x) ((x)->flags & FLAGS_HIDDEN)
269 #define SetHidden(x) ((x)->flags |= FLAGS_HIDDEN)
270
271 #define IsSendqBlocked(x) ((x)->flags & FLAGS_BLOCKED)
272 #define SetSendqBlocked(x) ((x)->flags |= FLAGS_BLOCKED)
273 #define ClearSendqBlocked(x) ((x)->flags &= ~FLAGS_BLOCKED)
274
275
276 /*! \brief addr_mask_type enumeration */
277 enum addr_mask_type
278 {
279 HIDE_IP, /**< IP is hidden. Resolved hostname is shown instead */
280 SHOW_IP, /**< IP is shown. No parts of it are hidden or masked */
281 MASK_IP /**< IP is masked. 255.255.255.255 is shown instead */
282 };
283
284 /*! \brief Server structure */
285 struct Server
286 {
287 dlink_list server_list; /**< Servers on this server */
288 dlink_list client_list; /**< Clients on this server */
289 char by[NICKLEN + 1]; /**< who activated this connection */
290 };
291
292 /*! \brief ListTask structure */
293 struct ListTask
294 {
295 dlink_list show_mask; /**< show these channels.. */
296 dlink_list hide_mask; /**< ..and hide these ones */
297
298 unsigned int hash_index; /**< the bucket we are currently in */
299 unsigned int users_min;
300 unsigned int users_max;
301 unsigned int created_min;
302 unsigned int created_max;
303 unsigned int topicts_min;
304 unsigned int topicts_max;
305 };
306
307 /*! \brief LocalUser structure
308 *
309 * Allocated only for local clients, that are directly connected
310 * to \b this server with a socket.
311 */
312 struct LocalUser
313 {
314 dlink_node lclient_node;
315
316 char client_host[HOSTLEN + 1];
317 char client_server[HOSTLEN + 1];
318
319 unsigned int registration;
320 unsigned int cap_client; /**< Client capabilities (from us) */
321 unsigned int cap_active; /**< Active capabilities (to us) */
322 unsigned int caps; /**< capabilities bit-field */
323
324 unsigned int operflags; /**< IRC Operator privilege flags */
325 unsigned int random_ping; /**< Holding a 32bit value used for PING cookies */
326
327 unsigned int serial; /**< used to enforce 1 send per nick */
328
329 time_t lasttime; /**< ...should be only LOCAL clients? --msa */
330 time_t firsttime; /**< time client was created */
331 time_t since; /**< last time we parsed something */
332 time_t last_knock; /**< time of last knock */
333 time_t last_join_time; /**< when this client last
334 joined a channel */
335 time_t last_leave_time; /**< when this client last
336 * left a channel */
337 int join_leave_count; /**< count of JOIN/LEAVE in less than
338 MIN_JOIN_LEAVE_TIME seconds */
339 int oper_warn_count_down; /**< warn opers of this possible
340 spambot every time this gets to 0 */
341 time_t last_caller_id_time;
342 time_t first_received_message_time;
343 time_t last_nick_change;
344 time_t last_privmsg; /**< Last time we got a PRIVMSG */
345 time_t last_away; /**< Away since... */
346
347 int received_number_of_privmsgs;
348 unsigned int number_of_nick_changes;
349
350 struct ListTask *list_task;
351
352 struct dbuf_queue buf_sendq;
353 struct dbuf_queue buf_recvq;
354
355 struct {
356 unsigned int messages; /**< Statistics: protocol messages sent/received */
357 uint64_t bytes; /**< Statistics: total bytes sent/received */
358 } recv, send;
359
360 struct AuthRequest auth;
361 struct Listener *listener; /**< listener accepted from */
362 dlink_list acceptlist; /**< clients I'll allow to talk to me */
363 dlink_list watches; /**< chain of Watch pointer blocks */
364 dlink_list confs; /**< Configuration record associated */
365 dlink_list invited; /**< chain of invite pointer blocks */
366 struct irc_ssaddr ip;
367 int aftype; /**< Makes life easier for DNS res in IPV6 */
368 int country_id; /**< ID corresponding to a ISO 3166 country code */
369
370 char *passwd;
371 fde_t fd;
372 /* Anti-flood stuff. We track how many messages were parsed and how
373 * many we were allowed in the current second, and apply a simple
374 * decay to avoid flooding.
375 * -- adrian
376 */
377 int allow_read; /**< how many we're allowed to read in this second */
378 int sent_parsed; /**< how many messages we've parsed in this second */
379
380 char* response; /**< expected response from client */
381 char* auth_oper; /**< Operator to become if they supply the response.*/
382 };
383
384 /*! \brief Client structure */
385 struct Client
386 {
387 dlink_node node;
388 dlink_node lnode; /**< Used for Server->servers/users */
389
390 struct LocalUser *localClient;
391 struct Client *hnext; /**< For client hash table lookups by name */
392 struct Client *idhnext; /**< For SID hash table lookups by sid */
393 struct Server *serv; /**< ...defined, if this is a server */
394 struct Client *servptr; /**< Points to server this Client is on */
395 struct Client *from; /**< == self, if Local Client, *NEVER* NULL! */
396
397 time_t tsinfo; /**< TS on the nick, SVINFO on server */
398
399 unsigned int flags; /**< client flags */
400 unsigned int umodes; /**< opers, normal users subset */
401 unsigned int hopcount; /**< number of servers to this 0 = local */
402 unsigned int status; /**< Client type */
403 unsigned int handler; /**< Handler index */
404
405 dlink_list whowas;
406 dlink_list channel; /**< chain of channel pointer blocks */
407
408 char away[AWAYLEN + 1]; /**< Client's AWAY message. Can be set/unset via AWAY command */
409 char name[HOSTLEN + 1]; /**< unique name for a client nick or host */
410 char svid[HOSTLEN + 1]; /**< Services ID. XXX: Going with HOSTLEN for now. NICKLEN might be too small
411 if dealing with timestamps */
412 char id[IDLEN + 1]; /**< client ID, unique ID per client */
413 /*
414 * client->username is the username from ident or the USER message,
415 * If the client is idented the USER message is ignored, otherwise
416 * the username part of the USER message is put here prefixed with a
417 * tilde depending on the auth{} block. Once a client has registered,
418 * this field should be considered read-only.
419 */
420 char username[USERLEN + 1]; /* client's username */
421 /*
422 * client->host contains the resolved name or ip address
423 * as a string for the user, it may be fiddled with for oper spoofing etc.
424 * once it's changed the *real* address goes away. This should be
425 * considered a read-only field after the client has registered.
426 */
427 char host[HOSTLEN + 1]; /* client's hostname */
428
429 /*
430 * client->info for unix clients will normally contain the info from the
431 * gcos field in /etc/passwd but anything can go here.
432 */
433 char info[REALLEN + 1]; /* Free form additional client info */
434
435 /*
436 * client->sockhost contains the ip address gotten from the socket as a
437 * string, this field should be considered read-only once the connection
438 * has been made. (set in s_bsd.c only)
439 */
440 char sockhost[HOSTIPLEN + 1]; /* This is the host name from the
441 socket ip address as string */
442 };
443
444
445 extern struct Client me;
446 extern dlink_list listing_client_list;
447 extern dlink_list global_client_list;
448 extern dlink_list unknown_list; /* unknown clients ON this server only */
449 extern dlink_list local_client_list; /* local clients only ON this server */
450 extern dlink_list serv_list; /* local servers to this server ONLY */
451 extern dlink_list global_serv_list; /* global servers on the network */
452 extern dlink_list oper_list; /* our opers, duplicated in local_client_list */
453
454 extern int accept_message(struct Client *, struct Client *);
455 extern unsigned int idle_time_get(const struct Client *, const struct Client *);
456 extern struct split_nuh_item *find_accept(const char *, const char *,
457 const char *, struct Client *, int);
458 extern void del_accept(struct split_nuh_item *, struct Client *);
459 extern void del_all_accepts(struct Client *);
460 extern void exit_client(struct Client *, struct Client *, const char *);
461 extern void check_conf_klines(void);
462 extern void client_init(void);
463 extern void dead_link_on_write(struct Client *, int);
464 extern void dead_link_on_read(struct Client *, int);
465 extern void exit_aborted_clients(void);
466 extern void free_exited_clients(void);
467 extern struct Client *make_client(struct Client *);
468 extern struct Client *find_chasing(struct Client *, struct Client *, const char *, int *);
469 extern struct Client *find_person(const struct Client *const, const char *);
470 extern const char *get_client_name(const struct Client *, enum addr_mask_type);
471
472 #endif /* INCLUDED_client_h */

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