2 * ircd-ratbox: A slightly useful ircd.
3 * m_whois.c: Shows who a user is.
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_whois.c 3536 2007-07-14 21:50:21Z jilles $
45 #include "s_newconf.h"
47 static void do_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[]);
48 static void single_whois(struct Client
*source_p
, struct Client
*target_p
, int operspy
);
50 static int m_whois(struct Client
*, struct Client
*, int, const char **);
51 static int ms_whois(struct Client
*, struct Client
*, int, const char **);
53 struct Message whois_msgtab
= {
54 "WHOIS", 0, 0, 0, MFLG_SLOW
,
55 {mg_unreg
, {m_whois
, 2}, {ms_whois
, 2}, mg_ignore
, mg_ignore
, {m_whois
, 2}}
59 int doing_whois_global_hook
;
61 mapi_clist_av1 whois_clist
[] = { &whois_msgtab
, NULL
};
62 mapi_hlist_av1 whois_hlist
[] = {
63 { "doing_whois", &doing_whois_hook
},
64 { "doing_whois_global", &doing_whois_global_hook
},
68 DECLARE_MODULE_AV1(whois
, NULL
, NULL
, whois_clist
, whois_hlist
, NULL
, "$Revision: 3536 $");
72 * parv[0] = sender prefix
73 * parv[1] = nickname masklist
76 m_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
78 static time_t last_used
= 0;
82 if(EmptyString(parv
[2]))
84 sendto_one(source_p
, form_str(ERR_NONICKNAMEGIVEN
),
85 me
.name
, source_p
->name
);
91 /* seeing as this is going across servers, we should limit it */
92 if((last_used
+ ConfigFileEntry
.pace_wait_simple
) > rb_current_time())
94 sendto_one(source_p
, form_str(RPL_LOAD2HI
),
95 me
.name
, source_p
->name
, "WHOIS");
96 sendto_one_numeric(source_p
, RPL_ENDOFWHOIS
,
97 form_str(RPL_ENDOFWHOIS
), parv
[2]);
101 last_used
= rb_current_time();
104 if(hunt_server(client_p
, source_p
, ":%s WHOIS %s :%s", 1, parc
, parv
) !=
111 do_whois(client_p
, source_p
, parc
, parv
);
118 * parv[0] = sender prefix
119 * parv[1] = server to reply
120 * parv[2] = nickname to whois
123 ms_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
125 struct Client
*target_p
;
127 /* note: early versions of ratbox allowed users to issue a remote
128 * whois with a blank parv[2], so we cannot treat it as a protocol
131 if(parc
< 3 || EmptyString(parv
[2]))
133 sendto_one(source_p
, form_str(ERR_NONICKNAMEGIVEN
),
134 me
.name
, source_p
->name
);
138 /* check if parv[1] exists */
139 if((target_p
= find_client(parv
[1])) == NULL
)
141 sendto_one_numeric(source_p
, ERR_NOSUCHSERVER
,
142 form_str(ERR_NOSUCHSERVER
),
143 IsDigit(parv
[1][0]) ? "*" : parv
[1]);
147 /* if parv[1] isnt my client, or me, someone else is supposed
148 * to be handling the request.. so send it to them
150 if(!MyClient(target_p
) && !IsMe(target_p
))
152 sendto_one(target_p
, ":%s WHOIS %s :%s",
153 get_id(source_p
, target_p
),
154 get_id(target_p
, target_p
), parv
[2]);
158 /* ok, the target is either us, or a client on our server, so perform the whois
159 * but first, parv[1] == server to perform the whois on, parv[2] == person
160 * to whois, so make parv[1] = parv[2] so do_whois is ok -- fl_
163 do_whois(client_p
, source_p
, parc
, parv
);
170 * inputs - pointer to
175 do_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
177 struct Client
*target_p
;
182 nick
= LOCAL_COPY(parv
[1]);
183 if((p
= strchr(nick
, ',')))
186 if(IsOperSpy(source_p
) && *nick
== '!')
192 if(MyClient(source_p
))
193 target_p
= find_named_person(nick
);
195 target_p
= find_person(nick
);
201 char buffer
[BUFSIZE
];
203 snprintf(buffer
, sizeof(buffer
), "%s!%s@%s %s",
204 target_p
->name
, target_p
->username
,
205 target_p
->host
, target_p
->servptr
->name
);
206 report_operspy(source_p
, "WHOIS", buffer
);
209 single_whois(source_p
, target_p
, operspy
);
212 sendto_one_numeric(source_p
, ERR_NOSUCHNICK
,
213 form_str(ERR_NOSUCHNICK
),
216 sendto_one_numeric(source_p
, RPL_ENDOFWHOIS
,
217 form_str(RPL_ENDOFWHOIS
), parv
[1]);
224 * Inputs - source_p client to report to
225 * - target_p client to report on
226 * Output - if found return 1
227 * Side Effects - do a single whois on given client
228 * writing results to source_p
231 single_whois(struct Client
*source_p
, struct Client
*target_p
, int operspy
)
235 struct membership
*msptr
;
236 struct Channel
*chptr
;
241 hook_data_client hdata
;
247 if(target_p
->name
[0] == '\0')
250 name
= target_p
->name
;
252 if(target_p
->user
== NULL
)
258 sendto_one_numeric(source_p
, RPL_WHOISUSER
, form_str(RPL_WHOISUSER
),
259 target_p
->name
, target_p
->username
,
260 target_p
->host
, target_p
->info
);
262 cur_len
= mlen
= rb_sprintf(buf
, form_str(RPL_WHOISCHANNELS
),
263 get_id(&me
, source_p
), get_id(source_p
, source_p
),
266 /* Make sure it won't overflow when sending it to the client
267 * in full names; note that serverhiding may require more space
268 * for a different server name (not done here) -- jilles
270 if (!MyConnect(source_p
))
272 extra_space
= strlen(source_p
->name
) - 9;
275 extra_space
+= strlen(me
.name
) - 2; /* make sure >= 0 */
276 cur_len
+= extra_space
;
281 if (!IsService(target_p
))
283 RB_DLINK_FOREACH(ptr
, target_p
->user
->channel
.head
)
286 chptr
= msptr
->chptr
;
288 visible
= ShowChannel(source_p
, chptr
);
290 if(visible
|| operspy
)
292 if((cur_len
+ strlen(chptr
->chname
) + 3) > (BUFSIZE
- 5))
294 sendto_one(source_p
, "%s", buf
);
295 cur_len
= mlen
+ extra_space
;
299 tlen
= rb_sprintf(t
, "%s%s%s ",
301 find_channel_status(msptr
, 1),
309 if(cur_len
> mlen
+ extra_space
)
310 sendto_one(source_p
, "%s", buf
);
312 sendto_one_numeric(source_p
, RPL_WHOISSERVER
, form_str(RPL_WHOISSERVER
),
313 target_p
->name
, target_p
->servptr
->name
,
314 target_p
->servptr
->info
);
316 if(target_p
->user
->away
)
317 sendto_one_numeric(source_p
, RPL_AWAY
, form_str(RPL_AWAY
),
318 target_p
->name
, target_p
->user
->away
);
322 sendto_one_numeric(source_p
, RPL_WHOISOPERATOR
, form_str(RPL_WHOISOPERATOR
),
324 IsService(target_p
) ? ConfigFileEntry
.servicestring
:
325 (IsAdmin(target_p
) ? GlobalSetOptions
.adminstring
:
326 GlobalSetOptions
.operstring
));
329 if(IsSSLClient(target_p
))
330 sendto_one_numeric(source_p
, RPL_WHOISSECURE
, form_str(RPL_WHOISSECURE
),
333 if(MyClient(target_p
))
335 if (IsDynSpoof(target_p
) && (IsOper(source_p
) || source_p
== target_p
))
337 /* trick here: show a nonoper their own IP if
338 * dynamic spoofed but not if auth{} spoofed
340 ClearDynSpoof(target_p
);
341 sendto_one_numeric(source_p
, RPL_WHOISHOST
,
342 form_str(RPL_WHOISHOST
),
343 target_p
->name
, target_p
->orighost
,
344 show_ip(source_p
, target_p
) ? target_p
->sockhost
: "255.255.255.255");
345 SetDynSpoof(target_p
);
347 else if(ConfigFileEntry
.use_whois_actually
&& show_ip(source_p
, target_p
))
348 sendto_one_numeric(source_p
, RPL_WHOISACTUALLY
,
349 form_str(RPL_WHOISACTUALLY
),
350 target_p
->name
, target_p
->sockhost
);
352 sendto_one_numeric(source_p
, RPL_WHOISIDLE
, form_str(RPL_WHOISIDLE
),
354 rb_current_time() - target_p
->localClient
->last
,
355 target_p
->localClient
->firsttime
);
359 if (IsDynSpoof(target_p
) && (IsOper(source_p
) || source_p
== target_p
))
361 ClearDynSpoof(target_p
);
362 sendto_one_numeric(source_p
, RPL_WHOISHOST
,
363 form_str(RPL_WHOISHOST
),
364 target_p
->name
, target_p
->orighost
,
365 show_ip(source_p
, target_p
) && !EmptyString(target_p
->sockhost
) && strcmp(target_p
->sockhost
, "0")? target_p
->sockhost
: "255.255.255.255");
366 SetDynSpoof(target_p
);
368 else if(ConfigFileEntry
.use_whois_actually
&& show_ip(source_p
, target_p
) &&
369 !EmptyString(target_p
->sockhost
) && strcmp(target_p
->sockhost
, "0"))
371 sendto_one_numeric(source_p
, RPL_WHOISACTUALLY
,
372 form_str(RPL_WHOISACTUALLY
),
373 target_p
->name
, target_p
->sockhost
);
378 hdata
.client
= source_p
;
379 hdata
.target
= target_p
;
381 /* doing_whois_hook must only be called for local clients,
382 * doing_whois_global_hook must only be called for local targets
384 /* it is important that these are called *before* RPL_ENDOFWHOIS is
385 * sent, services compatibility code depends on it. --anfl
387 if(MyClient(source_p
))
388 call_hook(doing_whois_hook
, &hdata
);
390 call_hook(doing_whois_global_hook
, &hdata
);