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
44 #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[1] = nickname masklist
75 m_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
77 static time_t last_used
= 0;
81 if(EmptyString(parv
[2]))
83 sendto_one(source_p
, form_str(ERR_NONICKNAMEGIVEN
),
84 me
.name
, source_p
->name
);
90 /* seeing as this is going across servers, we should limit it */
91 if((last_used
+ ConfigFileEntry
.pace_wait_simple
) > rb_current_time())
93 sendto_one(source_p
, form_str(RPL_LOAD2HI
),
94 me
.name
, source_p
->name
, "WHOIS");
95 sendto_one_numeric(source_p
, RPL_ENDOFWHOIS
,
96 form_str(RPL_ENDOFWHOIS
), parv
[2]);
100 last_used
= rb_current_time();
103 if(hunt_server(client_p
, source_p
, ":%s WHOIS %s :%s", 1, parc
, parv
) !=
110 do_whois(client_p
, source_p
, parc
, parv
);
117 * parv[1] = server to reply
118 * parv[2] = nickname to whois
121 ms_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
123 struct Client
*target_p
;
125 /* note: early versions of ratbox allowed users to issue a remote
126 * whois with a blank parv[2], so we cannot treat it as a protocol
129 if(parc
< 3 || EmptyString(parv
[2]))
131 sendto_one(source_p
, form_str(ERR_NONICKNAMEGIVEN
),
132 me
.name
, source_p
->name
);
136 /* check if parv[1] exists */
137 if((target_p
= find_client(parv
[1])) == NULL
)
139 sendto_one_numeric(source_p
, ERR_NOSUCHSERVER
,
140 form_str(ERR_NOSUCHSERVER
),
141 IsDigit(parv
[1][0]) ? "*" : parv
[1]);
145 /* if parv[1] isnt my client, or me, someone else is supposed
146 * to be handling the request.. so send it to them
148 if(!MyClient(target_p
) && !IsMe(target_p
))
150 sendto_one(target_p
, ":%s WHOIS %s :%s",
151 get_id(source_p
, target_p
),
152 get_id(target_p
, target_p
), parv
[2]);
156 /* ok, the target is either us, or a client on our server, so perform the whois
157 * but first, parv[1] == server to perform the whois on, parv[2] == person
158 * to whois, so make parv[1] = parv[2] so do_whois is ok -- fl_
161 do_whois(client_p
, source_p
, parc
, parv
);
168 * inputs - pointer to
173 do_whois(struct Client
*client_p
, struct Client
*source_p
, int parc
, const char *parv
[])
175 struct Client
*target_p
;
180 nick
= LOCAL_COPY(parv
[1]);
181 if((p
= strchr(nick
, ',')))
184 if(IsOperSpy(source_p
) && *nick
== '!')
190 if(MyClient(source_p
))
191 target_p
= find_named_person(nick
);
193 target_p
= find_person(nick
);
199 char buffer
[BUFSIZE
];
201 rb_snprintf(buffer
, sizeof(buffer
), "%s!%s@%s %s",
202 target_p
->name
, target_p
->username
,
203 target_p
->host
, target_p
->servptr
->name
);
204 report_operspy(source_p
, "WHOIS", buffer
);
207 single_whois(source_p
, target_p
, operspy
);
210 sendto_one_numeric(source_p
, ERR_NOSUCHNICK
,
211 form_str(ERR_NOSUCHNICK
),
214 sendto_one_numeric(source_p
, RPL_ENDOFWHOIS
,
215 form_str(RPL_ENDOFWHOIS
), parv
[1]);
222 * Inputs - source_p client to report to
223 * - target_p client to report on
224 * Output - if found return 1
225 * Side Effects - do a single whois on given client
226 * writing results to source_p
229 single_whois(struct Client
*source_p
, struct Client
*target_p
, int operspy
)
233 struct membership
*msptr
;
234 struct Channel
*chptr
;
239 hook_data_client hdata
;
247 if(ConfigFileEntry
.secret_channels_in_whois
&& IsOperSpy(source_p
))
250 if(target_p
->user
== NULL
)
256 sendto_one_numeric(source_p
, RPL_WHOISUSER
, form_str(RPL_WHOISUSER
),
257 target_p
->name
, target_p
->username
,
258 target_p
->host
, target_p
->info
);
260 cur_len
= mlen
= rb_sprintf(buf
, form_str(RPL_WHOISCHANNELS
),
261 get_id(&me
, source_p
), get_id(source_p
, source_p
),
264 /* Make sure it won't overflow when sending it to the client
265 * in full names; note that serverhiding may require more space
266 * for a different server name (not done here) -- jilles
268 if (!MyConnect(source_p
))
270 extra_space
= strlen(source_p
->name
) - 9;
273 extra_space
+= strlen(me
.name
) - 2; /* make sure >= 0 */
274 cur_len
+= extra_space
;
279 if (!IsService(target_p
))
281 RB_DLINK_FOREACH(ptr
, target_p
->user
->channel
.head
)
284 chptr
= msptr
->chptr
;
286 visible
= ShowChannel(source_p
, chptr
);
288 if(visible
|| operspy
|| showsecret
)
290 if((cur_len
+ strlen(chptr
->chname
) + 3) > (BUFSIZE
- 5))
292 sendto_one(source_p
, "%s", buf
);
293 cur_len
= mlen
+ extra_space
;
297 tlen
= rb_sprintf(t
, "%s%s%s ",
299 find_channel_status(msptr
, 1),
307 if(cur_len
> mlen
+ extra_space
)
308 sendto_one(source_p
, "%s", buf
);
310 sendto_one_numeric(source_p
, RPL_WHOISSERVER
, form_str(RPL_WHOISSERVER
),
311 target_p
->name
, target_p
->servptr
->name
,
312 target_p
->servptr
->info
);
314 if(target_p
->user
->away
)
315 sendto_one_numeric(source_p
, RPL_AWAY
, form_str(RPL_AWAY
),
316 target_p
->name
, target_p
->user
->away
);
320 if((md
= user_metadata_find(target_p
, "OPERSTRING")) != NULL
)
321 sendto_one_numeric(source_p
, 313, "%s :%s", target_p
->name
, md
->value
);
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
));
328 if((md
= user_metadata_find(target_p
, "SWHOIS")) != NULL
)
329 sendto_one_numeric(source_p
, 320, "%s :%s", target_p
->name
, md
->value
);
332 if(IsSSLClient(target_p
))
333 sendto_one_numeric(source_p
, RPL_WHOISSECURE
, form_str(RPL_WHOISSECURE
),
335 if((source_p
== target_p
|| IsOper(source_p
)) &&
336 target_p
->certfp
!= NULL
)
337 sendto_one_numeric(source_p
, RPL_WHOISCERTFP
,
338 form_str(RPL_WHOISCERTFP
),
339 target_p
->name
, target_p
->certfp
);
341 if(IsSetBot(target_p
))
342 sendto_one_numeric(source_p
, RPL_WHOISBOT
,
343 form_str(RPL_WHOISBOT
),
350 for (i
= 0; i
< 128; i
++) /* >= 127 is extended ascii */
351 if (target_p
->umodes
& user_modes
[i
])
355 sendto_one_numeric(source_p
, RPL_WHOISMODES
,
356 form_str(RPL_WHOISMODES
),
357 target_p
->name
, buf
);
360 if(MyClient(target_p
))
362 if (IsDynSpoof(target_p
) && (IsOper(source_p
) || source_p
== target_p
))
364 /* trick here: show a nonoper their own IP if
365 * dynamic spoofed but not if auth{} spoofed
367 ClearDynSpoof(target_p
);
368 sendto_one_numeric(source_p
, RPL_WHOISHOST
,
369 form_str(RPL_WHOISHOST
),
370 target_p
->name
, target_p
->orighost
,
371 show_ip(source_p
, target_p
) ? target_p
->sockhost
: "255.255.255.255");
372 SetDynSpoof(target_p
);
374 else if(ConfigFileEntry
.use_whois_actually
&& show_ip(source_p
, target_p
))
375 sendto_one_numeric(source_p
, RPL_WHOISACTUALLY
,
376 form_str(RPL_WHOISACTUALLY
),
377 target_p
->name
, target_p
->sockhost
);
379 sendto_one_numeric(source_p
, RPL_WHOISIDLE
, form_str(RPL_WHOISIDLE
),
381 rb_current_time() - target_p
->localClient
->last
,
382 target_p
->localClient
->firsttime
);
386 if (IsDynSpoof(target_p
) && (IsOper(source_p
) || source_p
== target_p
))
388 ClearDynSpoof(target_p
);
389 sendto_one_numeric(source_p
, RPL_WHOISHOST
,
390 form_str(RPL_WHOISHOST
),
391 target_p
->name
, target_p
->orighost
,
392 show_ip(source_p
, target_p
) && !EmptyString(target_p
->sockhost
) && strcmp(target_p
->sockhost
, "0")? target_p
->sockhost
: "255.255.255.255");
393 SetDynSpoof(target_p
);
395 else if(ConfigFileEntry
.use_whois_actually
&& show_ip(source_p
, target_p
) &&
396 !EmptyString(target_p
->sockhost
) && strcmp(target_p
->sockhost
, "0"))
398 sendto_one_numeric(source_p
, RPL_WHOISACTUALLY
,
399 form_str(RPL_WHOISACTUALLY
),
400 target_p
->name
, target_p
->sockhost
);
405 hdata
.client
= source_p
;
406 hdata
.target
= target_p
;
408 /* doing_whois_hook must only be called for local clients,
409 * doing_whois_global_hook must only be called for local targets
411 /* it is important that these are called *before* RPL_ENDOFWHOIS is
412 * sent, services compatibility code depends on it. --anfl
414 if(MyClient(source_p
))
415 call_hook(doing_whois_hook
, &hdata
);
417 call_hook(doing_whois_global_hook
, &hdata
);