2 * ircd-ratbox: A slightly useful ircd.
3 * m_who.c: Shows who is on a channel.
5 * Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
6 * Copyright (C) 1996-2002 Hybrid Development Team
7 * Copyright (C) 2002-2005 ircd-ratbox development team
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.
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.
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
24 * $Id: m_who.c 3350 2007-04-02 22:03:08Z jilles $
42 #include "s_newconf.h"
44 static int m_who(struct Client
*, struct Client
*, int, const char **);
46 struct Message who_msgtab
= {
47 "WHO", 0, 0, 0, MFLG_SLOW
,
48 {mg_unreg
, {m_who
, 2}, mg_ignore
, mg_ignore
, mg_ignore
, {m_who
, 2}}
51 mapi_clist_av1 who_clist
[] = { &who_msgtab
, NULL
};
52 DECLARE_MODULE_AV1(who
, NULL
, NULL
, who_clist
, NULL
, NULL
, "$Revision: 3350 $");
54 static void do_who_on_channel(struct Client
*source_p
, struct Channel
*chptr
,
55 int server_oper
, int member
);
57 static void who_global(struct Client
*source_p
, const char *mask
, int server_oper
, int operspy
);
59 static void do_who(struct Client
*source_p
,
60 struct Client
*target_p
, const char *chname
, const char *op_flags
);
65 ** parv[0] = sender prefix
66 ** parv[1] = nickname mask list
67 ** parv[2] = additional selection flag, only 'o' for now.
70 m_who(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
72 static time_t last_used
= 0;
73 struct Client
*target_p
;
74 struct membership
*msptr
;
77 struct Channel
*chptr
= NULL
;
78 int server_oper
= parc
> 2 ? (*parv
[2] == 'o') : 0; /* Show OPERS only */
82 mask
= LOCAL_COPY(parv
[1]);
87 if((*(mask
+ 1) == '\0') && (*mask
== '*'))
89 if(source_p
->user
== NULL
)
92 if((lp
= source_p
->user
->channel
.head
) != NULL
)
95 do_who_on_channel(source_p
, msptr
->chptr
, server_oper
, YES
);
98 sendto_one(source_p
, form_str(RPL_ENDOFWHO
),
99 me
.name
, source_p
->name
, "*");
103 if(IsOperSpy(source_p
) && *mask
== '!')
108 if(EmptyString(mask
))
110 sendto_one(source_p
, form_str(RPL_ENDOFWHO
),
111 me
.name
, source_p
->name
, parv
[1]);
116 /* '/who #some_channel' */
117 if(IsChannelName(mask
))
119 /* List all users on a given channel */
120 chptr
= find_channel(parv
[1] + operspy
);
124 report_operspy(source_p
, "WHO", chptr
->chname
);
126 if(IsMember(source_p
, chptr
) || operspy
)
127 do_who_on_channel(source_p
, chptr
, server_oper
, YES
);
128 else if(!SecretChannel(chptr
))
129 do_who_on_channel(source_p
, chptr
, server_oper
, NO
);
131 sendto_one(source_p
, form_str(RPL_ENDOFWHO
),
132 me
.name
, source_p
->name
, parv
[1] + operspy
);
138 if(((target_p
= find_named_person(mask
)) != NULL
) &&
139 (!server_oper
|| IsOper(target_p
)))
143 isinvis
= IsInvisible(target_p
);
144 RB_DLINK_FOREACH(lp
, target_p
->user
->channel
.head
)
147 chptr
= msptr
->chptr
;
149 member
= IsMember(source_p
, chptr
);
151 if(isinvis
&& !member
)
154 if(member
|| (!isinvis
&& PubChannel(chptr
)))
158 /* if we stopped midlist, lp->data is the membership for
162 do_who(source_p
, target_p
, chptr
->chname
,
163 find_channel_status(lp
->data
, IsCapable(source_p
, CLICAP_MULTI_PREFIX
)));
165 do_who(source_p
, target_p
, NULL
, "");
167 sendto_one(source_p
, form_str(RPL_ENDOFWHO
),
168 me
.name
, source_p
->name
, mask
);
172 if(!IsFloodDone(source_p
))
173 flood_endgrace(source_p
);
175 /* it has to be a global who at this point, limit it */
176 if(!IsOper(source_p
))
178 if((last_used
+ ConfigFileEntry
.pace_wait
) > rb_current_time())
180 sendto_one(source_p
, form_str(RPL_LOAD2HI
),
181 me
.name
, source_p
->name
, "WHO");
182 sendto_one(source_p
, form_str(RPL_ENDOFWHO
),
183 me
.name
, source_p
->name
, "*");
187 last_used
= rb_current_time();
190 /* Note: operspy_dont_care_user_info does not apply to
192 if(IsOperSpy(source_p
) && ConfigFileEntry
.operspy_dont_care_user_info
)
195 /* '/who 0' for a global list. this forces clients to actually
196 * request a full list. I presume its because of too many typos
197 * with "/who" ;) --fl
199 if((*(mask
+ 1) == '\0') && (*mask
== '0'))
200 who_global(source_p
, NULL
, server_oper
, 0);
202 who_global(source_p
, mask
, server_oper
, operspy
);
204 sendto_one(source_p
, form_str(RPL_ENDOFWHO
),
205 me
.name
, source_p
->name
, mask
);
210 /* who_common_channel
211 * inputs - pointer to client requesting who
212 * - pointer to channel member chain.
213 * - char * mask to match
214 * - int if oper on a server or not
215 * - pointer to int maxmatches
217 * side effects - lists matching invisible clients on specified channel,
218 * marks matched clients.
221 who_common_channel(struct Client
*source_p
, struct Channel
*chptr
,
222 const char *mask
, int server_oper
, int *maxmatches
)
224 struct membership
*msptr
;
225 struct Client
*target_p
;
228 RB_DLINK_FOREACH(ptr
, chptr
->members
.head
)
231 target_p
= msptr
->client_p
;
233 if(!IsInvisible(target_p
) || IsMarked(target_p
))
236 if(server_oper
&& !IsOper(target_p
))
244 match(mask
, target_p
->name
) || match(mask
, target_p
->username
) ||
245 match(mask
, target_p
->host
) || match(mask
, target_p
->servptr
->name
) ||
246 (IsOper(source_p
) && match(mask
, target_p
->orighost
)) ||
247 match(mask
, target_p
->info
))
249 do_who(source_p
, target_p
, NULL
, "");
259 * inputs - pointer to client requesting who
260 * - char * mask to match
261 * - int if oper on a server or not
263 * side effects - do a global scan of all clients looking for match
264 * this is slightly expensive on EFnet ...
265 * marks assumed cleared for all clients initially
266 * and will be left cleared on return
269 who_global(struct Client
*source_p
, const char *mask
, int server_oper
, int operspy
)
271 struct membership
*msptr
;
272 struct Client
*target_p
;
273 rb_dlink_node
*lp
, *ptr
;
274 int maxmatches
= 500;
276 /* first, list all matching INvisible clients on common channels
277 * if this is not an operspy who
281 RB_DLINK_FOREACH(lp
, source_p
->user
->channel
.head
)
284 who_common_channel(source_p
, msptr
->chptr
, mask
, server_oper
, &maxmatches
);
287 else if (!ConfigFileEntry
.operspy_dont_care_user_info
)
288 report_operspy(source_p
, "WHO", mask
);
290 /* second, list all matching visible clients and clear all marks
291 * on invisible clients
292 * if this is an operspy who, list all matching clients, no need
295 RB_DLINK_FOREACH(ptr
, global_client_list
.head
)
297 target_p
= ptr
->data
;
298 if(!IsPerson(target_p
))
301 if(IsInvisible(target_p
) && !operspy
)
307 if(server_oper
&& !IsOper(target_p
))
313 match(mask
, target_p
->name
) || match(mask
, target_p
->username
) ||
314 match(mask
, target_p
->host
) || match(mask
, target_p
->servptr
->name
) ||
315 (IsOper(source_p
) && match(mask
, target_p
->orighost
)) ||
316 match(mask
, target_p
->info
))
318 do_who(source_p
, target_p
, NULL
, "");
326 form_str(ERR_TOOMANYMATCHES
),
327 me
.name
, source_p
->name
, "WHO");
333 * inputs - pointer to client requesting who
334 * - pointer to channel to do who on
335 * - The "real name" of this channel
336 * - int if source_p is a server oper or not
337 * - int if client is member or not
339 * side effects - do a who on given channel
342 do_who_on_channel(struct Client
*source_p
, struct Channel
*chptr
,
343 int server_oper
, int member
)
345 struct Client
*target_p
;
346 struct membership
*msptr
;
348 int combine
= IsCapable(source_p
, CLICAP_MULTI_PREFIX
);
350 RB_DLINK_FOREACH(ptr
, chptr
->members
.head
)
353 target_p
= msptr
->client_p
;
355 if(server_oper
&& !IsOper(target_p
))
358 if(member
|| !IsInvisible(target_p
))
359 do_who(source_p
, target_p
, chptr
->chname
,
360 find_channel_status(msptr
, combine
));
367 * inputs - pointer to client requesting who
368 * - pointer to client to do who on
369 * - The reported name
372 * side effects - do a who on given person
376 do_who(struct Client
*source_p
, struct Client
*target_p
, const char *chname
, const char *op_flags
)
380 rb_sprintf(status
, "%c%s%s",
381 target_p
->user
->away
? 'G' : 'H', IsOper(target_p
) ? "*" : "", op_flags
);
383 sendto_one(source_p
, form_str(RPL_WHOREPLY
), me
.name
, source_p
->name
,
384 (chname
) ? (chname
) : "*",
386 target_p
->host
, target_p
->servptr
->name
, target_p
->name
,
388 ConfigServerHide
.flatten_links
? 0 : target_p
->hopcount
,