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 $
38 #include "irc_string.h"
39 #include "sprintf_irc.h"
46 #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[0] = sender prefix
74 * parv[1] = nickname masklist
77 m_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
79 static time_t last_used
= 0;
83 if(EmptyString(parv
[2]))
85 sendto_one(source_p
, form_str(ERR_NONICKNAMEGIVEN
),
86 me
.name
, source_p
->name
);
92 /* seeing as this is going across servers, we should limit it */
93 if((last_used
+ ConfigFileEntry
.pace_wait_simple
) > rb_current_time())
95 sendto_one(source_p
, form_str(RPL_LOAD2HI
),
96 me
.name
, source_p
->name
, "WHOIS");
97 sendto_one_numeric(source_p
, RPL_ENDOFWHOIS
,
98 form_str(RPL_ENDOFWHOIS
), parv
[2]);
102 last_used
= rb_current_time();
105 if(hunt_server(client_p
, source_p
, ":%s WHOIS %s :%s", 1, parc
, parv
) !=
112 do_whois(client_p
, source_p
, parc
, parv
);
119 * parv[0] = sender prefix
120 * parv[1] = server to reply
121 * parv[2] = nickname to whois
124 ms_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
126 struct Client
*target_p
;
128 /* note: early versions of ratbox allowed users to issue a remote
129 * whois with a blank parv[2], so we cannot treat it as a protocol
132 if(parc
< 3 || EmptyString(parv
[2]))
134 sendto_one(source_p
, form_str(ERR_NONICKNAMEGIVEN
),
135 me
.name
, source_p
->name
);
139 /* check if parv[1] exists */
140 if((target_p
= find_client(parv
[1])) == NULL
)
142 sendto_one_numeric(source_p
, ERR_NOSUCHSERVER
,
143 form_str(ERR_NOSUCHSERVER
),
144 IsDigit(parv
[1][0]) ? "*" : parv
[1]);
148 /* if parv[1] isnt my client, or me, someone else is supposed
149 * to be handling the request.. so send it to them
151 if(!MyClient(target_p
) && !IsMe(target_p
))
153 sendto_one(target_p
, ":%s WHOIS %s :%s",
154 get_id(source_p
, target_p
),
155 get_id(target_p
, target_p
), parv
[2]);
159 /* ok, the target is either us, or a client on our server, so perform the whois
160 * but first, parv[1] == server to perform the whois on, parv[2] == person
161 * to whois, so make parv[1] = parv[2] so do_whois is ok -- fl_
164 do_whois(client_p
, source_p
, parc
, parv
);
171 * inputs - pointer to
176 do_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
178 struct Client
*target_p
;
183 nick
= LOCAL_COPY(parv
[1]);
184 if((p
= strchr(nick
, ',')))
187 if(IsOperSpy(source_p
) && *nick
== '!')
193 if(MyClient(source_p
))
194 target_p
= find_named_person(nick
);
196 target_p
= find_person(nick
);
202 char buffer
[BUFSIZE
];
204 snprintf(buffer
, sizeof(buffer
), "%s!%s@%s %s",
205 target_p
->name
, target_p
->username
,
206 target_p
->host
, target_p
->servptr
->name
);
207 report_operspy(source_p
, "WHOIS", buffer
);
210 single_whois(source_p
, target_p
, operspy
);
213 sendto_one_numeric(source_p
, ERR_NOSUCHNICK
,
214 form_str(ERR_NOSUCHNICK
),
217 sendto_one_numeric(source_p
, RPL_ENDOFWHOIS
,
218 form_str(RPL_ENDOFWHOIS
), parv
[1]);
225 * Inputs - source_p client to report to
226 * - target_p client to report on
227 * Output - if found return 1
228 * Side Effects - do a single whois on given client
229 * writing results to source_p
232 single_whois(struct Client
*source_p
, struct Client
*target_p
, int operspy
)
236 struct membership
*msptr
;
237 struct Channel
*chptr
;
242 hook_data_client hdata
;
248 if(target_p
->name
[0] == '\0')
251 name
= target_p
->name
;
253 if(target_p
->user
== NULL
)
259 sendto_one_numeric(source_p
, RPL_WHOISUSER
, form_str(RPL_WHOISUSER
),
260 target_p
->name
, target_p
->username
,
261 target_p
->host
, target_p
->info
);
263 cur_len
= mlen
= rb_sprintf(buf
, form_str(RPL_WHOISCHANNELS
),
264 get_id(&me
, source_p
), get_id(source_p
, source_p
),
267 /* Make sure it won't overflow when sending it to the client
268 * in full names; note that serverhiding may require more space
269 * for a different server name (not done here) -- jilles
271 if (!MyConnect(source_p
))
273 extra_space
= strlen(source_p
->name
) - 9;
276 extra_space
+= strlen(me
.name
) - 2; /* make sure >= 0 */
277 cur_len
+= extra_space
;
282 if (!IsService(target_p
))
284 RB_DLINK_FOREACH(ptr
, target_p
->user
->channel
.head
)
287 chptr
= msptr
->chptr
;
289 visible
= ShowChannel(source_p
, chptr
);
291 if(visible
|| operspy
)
293 if((cur_len
+ strlen(chptr
->chname
) + 3) > (BUFSIZE
- 5))
295 sendto_one(source_p
, "%s", buf
);
296 cur_len
= mlen
+ extra_space
;
300 tlen
= rb_sprintf(t
, "%s%s%s ",
302 find_channel_status(msptr
, 1),
310 if(cur_len
> mlen
+ extra_space
)
311 sendto_one(source_p
, "%s", buf
);
313 sendto_one_numeric(source_p
, RPL_WHOISSERVER
, form_str(RPL_WHOISSERVER
),
314 target_p
->name
, target_p
->servptr
->name
,
315 target_p
->servptr
->info
);
317 if(target_p
->user
->away
)
318 sendto_one_numeric(source_p
, RPL_AWAY
, form_str(RPL_AWAY
),
319 target_p
->name
, target_p
->user
->away
);
323 sendto_one_numeric(source_p
, RPL_WHOISOPERATOR
, form_str(RPL_WHOISOPERATOR
),
325 IsService(target_p
) ? ConfigFileEntry
.servicestring
:
326 (IsAdmin(target_p
) ? GlobalSetOptions
.adminstring
:
327 GlobalSetOptions
.operstring
));
330 if(IsSSLClient(target_p
))
331 sendto_one_numeric(source_p
, RPL_WHOISSECURE
, form_str(RPL_WHOISSECURE
),
334 if(MyClient(target_p
))
336 if (IsDynSpoof(target_p
) && (IsOper(source_p
) || source_p
== target_p
))
338 /* trick here: show a nonoper their own IP if
339 * dynamic spoofed but not if auth{} spoofed
341 ClearDynSpoof(target_p
);
342 sendto_one_numeric(source_p
, RPL_WHOISHOST
,
343 form_str(RPL_WHOISHOST
),
344 target_p
->name
, target_p
->orighost
,
345 show_ip(source_p
, target_p
) ? target_p
->sockhost
: "255.255.255.255");
346 SetDynSpoof(target_p
);
348 else if(ConfigFileEntry
.use_whois_actually
&& show_ip(source_p
, target_p
))
349 sendto_one_numeric(source_p
, RPL_WHOISACTUALLY
,
350 form_str(RPL_WHOISACTUALLY
),
351 target_p
->name
, target_p
->sockhost
);
353 sendto_one_numeric(source_p
, RPL_WHOISIDLE
, form_str(RPL_WHOISIDLE
),
355 rb_current_time() - target_p
->localClient
->last
,
356 target_p
->localClient
->firsttime
);
360 if (IsDynSpoof(target_p
) && (IsOper(source_p
) || source_p
== target_p
))
362 ClearDynSpoof(target_p
);
363 sendto_one_numeric(source_p
, RPL_WHOISHOST
,
364 form_str(RPL_WHOISHOST
),
365 target_p
->name
, target_p
->orighost
,
366 show_ip(source_p
, target_p
) && !EmptyString(target_p
->sockhost
) && strcmp(target_p
->sockhost
, "0")? target_p
->sockhost
: "255.255.255.255");
367 SetDynSpoof(target_p
);
369 else if(ConfigFileEntry
.use_whois_actually
&& show_ip(source_p
, target_p
) &&
370 !EmptyString(target_p
->sockhost
) && strcmp(target_p
->sockhost
, "0"))
372 sendto_one_numeric(source_p
, RPL_WHOISACTUALLY
,
373 form_str(RPL_WHOISACTUALLY
),
374 target_p
->name
, target_p
->sockhost
);
379 hdata
.client
= source_p
;
380 hdata
.target
= target_p
;
382 /* doing_whois_hook must only be called for local clients,
383 * doing_whois_global_hook must only be called for local targets
385 /* it is important that these are called *before* RPL_ENDOFWHOIS is
386 * sent, services compatibility code depends on it. --anfl
388 if(MyClient(source_p
))
389 call_hook(doing_whois_hook
, &hdata
);
391 call_hook(doing_whois_global_hook
, &hdata
);