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"
48 static void do_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[]);
49 static void single_whois(struct Client
*source_p
, struct Client
*target_p
, int operspy
);
51 static int m_whois(struct Client
*, struct Client
*, int, const char **);
52 static int ms_whois(struct Client
*, struct Client
*, int, const char **);
54 struct Message whois_msgtab
= {
55 "WHOIS", 0, 0, 0, MFLG_SLOW
,
56 {mg_unreg
, {m_whois
, 2}, {ms_whois
, 2}, mg_ignore
, mg_ignore
, {m_whois
, 2}}
60 int doing_whois_global_hook
;
62 mapi_clist_av1 whois_clist
[] = { &whois_msgtab
, NULL
};
63 mapi_hlist_av1 whois_hlist
[] = {
64 { "doing_whois", &doing_whois_hook
},
65 { "doing_whois_global", &doing_whois_global_hook
},
69 DECLARE_MODULE_AV1(whois
, NULL
, NULL
, whois_clist
, whois_hlist
, NULL
, "$Revision: 3536 $");
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[1] = server to reply
119 * parv[2] = nickname to whois
122 ms_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
124 struct Client
*target_p
;
126 /* note: early versions of ratbox allowed users to issue a remote
127 * whois with a blank parv[2], so we cannot treat it as a protocol
130 if(parc
< 3 || EmptyString(parv
[2]))
132 sendto_one(source_p
, form_str(ERR_NONICKNAMEGIVEN
),
133 me
.name
, source_p
->name
);
137 /* check if parv[1] exists */
138 if((target_p
= find_client(parv
[1])) == NULL
)
140 sendto_one_numeric(source_p
, ERR_NOSUCHSERVER
,
141 form_str(ERR_NOSUCHSERVER
),
142 IsDigit(parv
[1][0]) ? "*" : parv
[1]);
146 /* if parv[1] isnt my client, or me, someone else is supposed
147 * to be handling the request.. so send it to them
149 if(!MyClient(target_p
) && !IsMe(target_p
))
151 sendto_one(target_p
, ":%s WHOIS %s :%s",
152 get_id(source_p
, target_p
),
153 get_id(target_p
, target_p
), parv
[2]);
157 /* ok, the target is either us, or a client on our server, so perform the whois
158 * but first, parv[1] == server to perform the whois on, parv[2] == person
159 * to whois, so make parv[1] = parv[2] so do_whois is ok -- fl_
162 do_whois(client_p
, source_p
, parc
, parv
);
169 * inputs - pointer to
174 do_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
176 struct Client
*target_p
;
181 nick
= LOCAL_COPY(parv
[1]);
182 if((p
= strchr(nick
, ',')))
185 if(IsOperSpy(source_p
) && *nick
== '!')
191 if(MyClient(source_p
))
192 target_p
= find_named_person(nick
);
194 target_p
= find_person(nick
);
200 char buffer
[BUFSIZE
];
202 rb_snprintf(buffer
, sizeof(buffer
), "%s!%s@%s %s",
203 target_p
->name
, target_p
->username
,
204 target_p
->host
, target_p
->servptr
->name
);
205 report_operspy(source_p
, "WHOIS", buffer
);
208 single_whois(source_p
, target_p
, operspy
);
211 sendto_one_numeric(source_p
, ERR_NOSUCHNICK
,
212 form_str(ERR_NOSUCHNICK
),
215 sendto_one_numeric(source_p
, RPL_ENDOFWHOIS
,
216 form_str(RPL_ENDOFWHOIS
), parv
[1]);
223 * Inputs - source_p client to report to
224 * - target_p client to report on
225 * Output - if found return 1
226 * Side Effects - do a single whois on given client
227 * writing results to source_p
230 single_whois(struct Client
*source_p
, struct Client
*target_p
, int operspy
)
234 struct membership
*msptr
;
235 struct Channel
*chptr
;
240 hook_data_client hdata
;
248 if(ConfigFileEntry
.secret_channels_in_whois
&& IsOperSpy(source_p
))
251 if(target_p
->user
== NULL
)
257 sendto_one_numeric(source_p
, RPL_WHOISUSER
, form_str(RPL_WHOISUSER
),
258 target_p
->name
, target_p
->username
,
259 target_p
->host
, target_p
->info
);
261 cur_len
= mlen
= rb_sprintf(buf
, form_str(RPL_WHOISCHANNELS
),
262 get_id(&me
, source_p
), get_id(source_p
, source_p
),
265 /* Make sure it won't overflow when sending it to the client
266 * in full names; note that serverhiding may require more space
267 * for a different server name (not done here) -- jilles
269 if (!MyConnect(source_p
))
271 extra_space
= strlen(source_p
->name
) - 9;
274 extra_space
+= strlen(me
.name
) - 2; /* make sure >= 0 */
275 cur_len
+= extra_space
;
280 if (!IsService(target_p
))
282 RB_DLINK_FOREACH(ptr
, target_p
->user
->channel
.head
)
285 chptr
= msptr
->chptr
;
287 visible
= ShowChannel(source_p
, chptr
);
289 if(visible
|| operspy
|| showsecret
)
291 if((cur_len
+ strlen(chptr
->chname
) + 3) > (BUFSIZE
- 5))
293 sendto_one(source_p
, "%s", buf
);
294 cur_len
= mlen
+ extra_space
;
298 tlen
= rb_sprintf(t
, "%s%s%s ",
300 find_channel_status(msptr
, 1),
308 if(cur_len
> mlen
+ extra_space
)
309 sendto_one(source_p
, "%s", buf
);
311 sendto_one_numeric(source_p
, RPL_WHOISSERVER
, form_str(RPL_WHOISSERVER
),
312 target_p
->name
, target_p
->servptr
->name
,
313 target_p
->servptr
->info
);
315 if(target_p
->user
->away
)
316 sendto_one_numeric(source_p
, RPL_AWAY
, form_str(RPL_AWAY
),
317 target_p
->name
, target_p
->user
->away
);
321 if(md
= user_metadata_find(target_p
, "OPERSTRING"))
322 sendto_one_numeric(source_p
, 313, "%s :%s", target_p
->name
, md
->value
);
324 sendto_one_numeric(source_p
, RPL_WHOISOPERATOR
, form_str(RPL_WHOISOPERATOR
),
326 IsService(target_p
) ? ConfigFileEntry
.servicestring
:
327 (IsAdmin(target_p
) ? GlobalSetOptions
.adminstring
:
328 GlobalSetOptions
.operstring
));
329 if(md
= user_metadata_find(target_p
, "SWHOIS"))
330 sendto_one_numeric(source_p
, 320, "%s :%s", target_p
->name
, md
->value
);
333 if(IsSSLClient(target_p
))
334 sendto_one_numeric(source_p
, RPL_WHOISSECURE
, form_str(RPL_WHOISSECURE
),
336 if((source_p
== target_p
|| IsOper(source_p
)) &&
337 target_p
->certfp
!= NULL
)
338 sendto_one_numeric(source_p
, RPL_WHOISCERTFP
,
339 form_str(RPL_WHOISCERTFP
),
340 target_p
->name
, target_p
->certfp
);
342 if(IsSetBot(target_p
))
343 sendto_one_numeric(source_p
, RPL_WHOISBOT
,
344 form_str(RPL_WHOISBOT
),
351 for (i
= 0; i
< 128; i
++) /* >= 127 is extended ascii */
352 if (target_p
->umodes
& user_modes
[i
])
356 sendto_one_numeric(source_p
, RPL_WHOISMODES
,
357 form_str(RPL_WHOISMODES
),
358 target_p
->name
, buf
);
361 if(MyClient(target_p
))
363 if (IsDynSpoof(target_p
) && (IsOper(source_p
) || source_p
== target_p
))
365 /* trick here: show a nonoper their own IP if
366 * dynamic spoofed but not if auth{} spoofed
368 ClearDynSpoof(target_p
);
369 sendto_one_numeric(source_p
, RPL_WHOISHOST
,
370 form_str(RPL_WHOISHOST
),
371 target_p
->name
, target_p
->orighost
,
372 show_ip(source_p
, target_p
) ? target_p
->sockhost
: "255.255.255.255");
373 SetDynSpoof(target_p
);
375 else if(ConfigFileEntry
.use_whois_actually
&& show_ip(source_p
, target_p
))
376 sendto_one_numeric(source_p
, RPL_WHOISACTUALLY
,
377 form_str(RPL_WHOISACTUALLY
),
378 target_p
->name
, target_p
->sockhost
);
380 sendto_one_numeric(source_p
, RPL_WHOISIDLE
, form_str(RPL_WHOISIDLE
),
382 rb_current_time() - target_p
->localClient
->last
,
383 target_p
->localClient
->firsttime
);
387 if (IsDynSpoof(target_p
) && (IsOper(source_p
) || source_p
== target_p
))
389 ClearDynSpoof(target_p
);
390 sendto_one_numeric(source_p
, RPL_WHOISHOST
,
391 form_str(RPL_WHOISHOST
),
392 target_p
->name
, target_p
->orighost
,
393 show_ip(source_p
, target_p
) && !EmptyString(target_p
->sockhost
) && strcmp(target_p
->sockhost
, "0")? target_p
->sockhost
: "255.255.255.255");
394 SetDynSpoof(target_p
);
396 else if(ConfigFileEntry
.use_whois_actually
&& show_ip(source_p
, target_p
) &&
397 !EmptyString(target_p
->sockhost
) && strcmp(target_p
->sockhost
, "0"))
399 sendto_one_numeric(source_p
, RPL_WHOISACTUALLY
,
400 form_str(RPL_WHOISACTUALLY
),
401 target_p
->name
, target_p
->sockhost
);
406 hdata
.client
= source_p
;
407 hdata
.target
= target_p
;
409 /* doing_whois_hook must only be called for local clients,
410 * doing_whois_global_hook must only be called for local targets
412 /* it is important that these are called *before* RPL_ENDOFWHOIS is
413 * sent, services compatibility code depends on it. --anfl
415 if(MyClient(source_p
))
416 call_hook(doing_whois_hook
, &hdata
);
418 call_hook(doing_whois_global_hook
, &hdata
);