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 $
39 #include "irc_string.h"
40 #include "sprintf_irc.h"
47 #include "s_newconf.h"
49 static void do_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[]);
50 static void single_whois(struct Client
*source_p
, struct Client
*target_p
, int operspy
);
52 static int m_whois(struct Client
*, struct Client
*, int, const char **);
53 static int ms_whois(struct Client
*, struct Client
*, int, const char **);
55 struct Message whois_msgtab
= {
56 "WHOIS", 0, 0, 0, MFLG_SLOW
,
57 {mg_unreg
, {m_whois
, 2}, {ms_whois
, 2}, mg_ignore
, mg_ignore
, {m_whois
, 2}}
61 int doing_whois_global_hook
;
63 mapi_clist_av1 whois_clist
[] = { &whois_msgtab
, NULL
};
64 mapi_hlist_av1 whois_hlist
[] = {
65 { "doing_whois", &doing_whois_hook
},
66 { "doing_whois_global", &doing_whois_global_hook
},
70 DECLARE_MODULE_AV1(whois
, NULL
, NULL
, whois_clist
, whois_hlist
, NULL
, "$Revision: 3536 $");
74 * parv[0] = sender prefix
75 * parv[1] = nickname masklist
78 m_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
80 static time_t last_used
= 0;
84 if(EmptyString(parv
[2]))
86 sendto_one(source_p
, form_str(ERR_NONICKNAMEGIVEN
),
87 me
.name
, source_p
->name
);
93 /* seeing as this is going across servers, we should limit it */
94 if((last_used
+ ConfigFileEntry
.pace_wait_simple
) > CurrentTime
)
96 sendto_one(source_p
, form_str(RPL_LOAD2HI
),
97 me
.name
, source_p
->name
, "WHOIS");
98 sendto_one_numeric(source_p
, RPL_ENDOFWHOIS
,
99 form_str(RPL_ENDOFWHOIS
), parv
[2]);
103 last_used
= CurrentTime
;
106 if(hunt_server(client_p
, source_p
, ":%s WHOIS %s :%s", 1, parc
, parv
) !=
113 do_whois(client_p
, source_p
, parc
, parv
);
120 * parv[0] = sender prefix
121 * parv[1] = server to reply
122 * parv[2] = nickname to whois
125 ms_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
127 struct Client
*target_p
;
129 /* note: early versions of ratbox allowed users to issue a remote
130 * whois with a blank parv[2], so we cannot treat it as a protocol
133 if(parc
< 3 || EmptyString(parv
[2]))
135 sendto_one(source_p
, form_str(ERR_NONICKNAMEGIVEN
),
136 me
.name
, source_p
->name
);
140 /* check if parv[1] exists */
141 if((target_p
= find_client(parv
[1])) == NULL
)
143 sendto_one_numeric(source_p
, ERR_NOSUCHSERVER
,
144 form_str(ERR_NOSUCHSERVER
),
145 IsDigit(parv
[1][0]) ? "*" : parv
[1]);
149 /* if parv[1] isnt my client, or me, someone else is supposed
150 * to be handling the request.. so send it to them
152 if(!MyClient(target_p
) && !IsMe(target_p
))
154 sendto_one(target_p
, ":%s WHOIS %s :%s",
155 get_id(source_p
, target_p
),
156 get_id(target_p
, target_p
), parv
[2]);
160 /* ok, the target is either us, or a client on our server, so perform the whois
161 * but first, parv[1] == server to perform the whois on, parv[2] == person
162 * to whois, so make parv[1] = parv[2] so do_whois is ok -- fl_
165 do_whois(client_p
, source_p
, parc
, parv
);
172 * inputs - pointer to
177 do_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
179 struct Client
*target_p
;
184 nick
= LOCAL_COPY(parv
[1]);
185 if((p
= strchr(nick
, ',')))
188 if(IsOperSpy(source_p
) && *nick
== '!')
194 target_p
= find_named_person(nick
);
200 char buffer
[BUFSIZE
];
202 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 Client
*a2client_p
;
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 a2client_p
= target_p
->servptr
;
260 sendto_one_numeric(source_p
, RPL_WHOISUSER
, form_str(RPL_WHOISUSER
),
261 target_p
->name
, target_p
->username
,
262 target_p
->host
, target_p
->info
);
264 cur_len
= mlen
= ircsprintf(buf
, form_str(RPL_WHOISCHANNELS
),
265 get_id(&me
, source_p
), get_id(source_p
, source_p
),
268 /* Make sure it won't overflow when sending it to the client
269 * in full names; note that serverhiding may require more space
270 * for a different server name (not done here) -- jilles
272 if (!MyConnect(source_p
))
274 extra_space
= strlen(source_p
->name
) - 9;
277 extra_space
+= strlen(me
.name
) - 2; /* make sure >= 0 */
278 cur_len
+= extra_space
;
283 if (!IsService(target_p
))
285 DLINK_FOREACH(ptr
, target_p
->user
->channel
.head
)
288 chptr
= msptr
->chptr
;
290 visible
= ShowChannel(source_p
, chptr
);
292 if(visible
|| operspy
)
294 if((cur_len
+ strlen(chptr
->chname
) + 3) > (BUFSIZE
- 5))
296 sendto_one(source_p
, "%s", buf
);
297 cur_len
= mlen
+ extra_space
;
301 tlen
= ircsprintf(t
, "%s%s%s ",
303 find_channel_status(msptr
, 1),
311 if(cur_len
> mlen
+ extra_space
)
312 sendto_one(source_p
, "%s", buf
);
314 sendto_one_numeric(source_p
, RPL_WHOISSERVER
, form_str(RPL_WHOISSERVER
),
315 target_p
->name
, target_p
->servptr
->name
,
316 a2client_p
? a2client_p
->info
: "*Not On This Net*");
318 if(target_p
->user
->away
)
319 sendto_one_numeric(source_p
, RPL_AWAY
, form_str(RPL_AWAY
),
320 target_p
->name
, target_p
->user
->away
);
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
));
331 if(MyClient(target_p
))
333 if (IsDynSpoof(target_p
) && (IsOper(source_p
) || source_p
== target_p
))
335 /* trick here: show a nonoper their own IP if
336 * dynamic spoofed but not if auth{} spoofed
338 ClearDynSpoof(target_p
);
339 sendto_one_numeric(source_p
, RPL_WHOISHOST
,
340 form_str(RPL_WHOISHOST
),
341 target_p
->name
, target_p
->orighost
,
342 show_ip(source_p
, target_p
) ? target_p
->sockhost
: "255.255.255.255");
343 SetDynSpoof(target_p
);
345 else if(ConfigFileEntry
.use_whois_actually
&& show_ip(source_p
, target_p
))
346 sendto_one_numeric(source_p
, RPL_WHOISACTUALLY
,
347 form_str(RPL_WHOISACTUALLY
),
348 target_p
->name
, target_p
->sockhost
);
350 sendto_one_numeric(source_p
, RPL_WHOISIDLE
, form_str(RPL_WHOISIDLE
),
352 CurrentTime
- target_p
->localClient
->last
,
353 target_p
->localClient
->firsttime
);
357 if (IsDynSpoof(target_p
) && (IsOper(source_p
) || source_p
== target_p
))
359 ClearDynSpoof(target_p
);
360 sendto_one_numeric(source_p
, RPL_WHOISHOST
,
361 form_str(RPL_WHOISHOST
),
362 target_p
->name
, target_p
->orighost
,
363 show_ip(source_p
, target_p
) && !EmptyString(target_p
->sockhost
) && strcmp(target_p
->sockhost
, "0")? target_p
->sockhost
: "255.255.255.255");
364 SetDynSpoof(target_p
);
366 else if(ConfigFileEntry
.use_whois_actually
&& show_ip(source_p
, target_p
) &&
367 !EmptyString(target_p
->sockhost
) && strcmp(target_p
->sockhost
, "0"))
369 sendto_one_numeric(source_p
, RPL_WHOISACTUALLY
,
370 form_str(RPL_WHOISACTUALLY
),
371 target_p
->name
, target_p
->sockhost
);
377 hdata
.client
= source_p
;
378 hdata
.target
= target_p
;
380 /* doing_whois_hook must only be called for local clients,
381 * doing_whois_global_hook must only be called for local targets
383 /* it is important that these are called *before* RPL_ENDOFWHOIS is
384 * sent, services compatibility code depends on it. --anfl
386 if(MyClient(source_p
))
387 call_hook(doing_whois_hook
, &hdata
);
389 call_hook(doing_whois_global_hook
, &hdata
);