1 |
adx |
30 |
/* |
2 |
|
|
* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
3 |
|
|
* m_whois.c: Shows who a user is. |
4 |
|
|
* |
5 |
|
|
* Copyright (C) 2005 by the past and present ircd coders, and others. |
6 |
|
|
* |
7 |
|
|
* This program is free software; you can redistribute it and/or modify |
8 |
|
|
* it under the terms of the GNU General Public License as published by |
9 |
|
|
* the Free Software Foundation; either version 2 of the License, or |
10 |
|
|
* (at your option) any later version. |
11 |
|
|
* |
12 |
|
|
* This program is distributed in the hope that it will be useful, |
13 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 |
|
|
* GNU General Public License for more details. |
16 |
|
|
* |
17 |
|
|
* You should have received a copy of the GNU General Public License |
18 |
|
|
* along with this program; if not, write to the Free Software |
19 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
20 |
|
|
* USA |
21 |
|
|
* |
22 |
knight |
31 |
* $Id$ |
23 |
adx |
30 |
*/ |
24 |
|
|
|
25 |
|
|
#include "stdinc.h" |
26 |
michael |
1011 |
#include "list.h" |
27 |
adx |
30 |
#include "common.h" |
28 |
|
|
#include "handlers.h" |
29 |
|
|
#include "client.h" |
30 |
|
|
#include "hash.h" |
31 |
|
|
#include "channel.h" |
32 |
|
|
#include "channel_mode.h" |
33 |
|
|
#include "ircd.h" |
34 |
|
|
#include "numeric.h" |
35 |
|
|
#include "s_conf.h" |
36 |
|
|
#include "s_misc.h" |
37 |
|
|
#include "s_serv.h" |
38 |
|
|
#include "send.h" |
39 |
|
|
#include "irc_string.h" |
40 |
|
|
#include "sprintf_irc.h" |
41 |
|
|
#include "msg.h" |
42 |
|
|
#include "parse.h" |
43 |
|
|
#include "modules.h" |
44 |
|
|
#include "hook.h" |
45 |
|
|
|
46 |
|
|
static void do_whois(struct Client *, int, char **); |
47 |
|
|
static int single_whois(struct Client *, struct Client *); |
48 |
|
|
static void whois_person(struct Client *, struct Client *); |
49 |
|
|
static int global_whois(struct Client *, const char *); |
50 |
|
|
|
51 |
|
|
static void m_whois(struct Client *, struct Client *, int, char *[]); |
52 |
|
|
static void mo_whois(struct Client *, struct Client *, int, char *[]); |
53 |
|
|
|
54 |
|
|
struct Message whois_msgtab = { |
55 |
|
|
"WHOIS", 0, 0, 0, 0, MFLG_SLOW, 0, |
56 |
|
|
{ m_unregistered, m_whois, mo_whois, m_ignore, mo_whois, m_ignore } |
57 |
|
|
}; |
58 |
|
|
|
59 |
|
|
#ifndef STATIC_MODULES |
60 |
knight |
31 |
const char *_version = "$Revision$"; |
61 |
adx |
30 |
static struct Callback *whois_cb; |
62 |
|
|
|
63 |
|
|
static void * |
64 |
|
|
va_whois(va_list args) |
65 |
|
|
{ |
66 |
|
|
struct Client *source_p = va_arg(args, struct Client *); |
67 |
|
|
int parc = va_arg(args, int); |
68 |
|
|
char **parv = va_arg(args, char **); |
69 |
|
|
|
70 |
|
|
do_whois(source_p, parc, parv); |
71 |
|
|
return NULL; |
72 |
|
|
} |
73 |
|
|
|
74 |
|
|
void |
75 |
|
|
_modinit(void) |
76 |
|
|
{ |
77 |
|
|
whois_cb = register_callback("doing_whois", va_whois); |
78 |
|
|
mod_add_cmd(&whois_msgtab); |
79 |
|
|
} |
80 |
|
|
|
81 |
|
|
void |
82 |
|
|
_moddeinit(void) |
83 |
|
|
{ |
84 |
|
|
mod_del_cmd(&whois_msgtab); |
85 |
|
|
uninstall_hook(whois_cb, va_whois); |
86 |
|
|
} |
87 |
|
|
#endif |
88 |
|
|
|
89 |
|
|
/* |
90 |
|
|
** m_whois |
91 |
|
|
** parv[0] = sender prefix |
92 |
|
|
** parv[1] = nickname masklist |
93 |
|
|
*/ |
94 |
|
|
static void |
95 |
|
|
m_whois(struct Client *client_p, struct Client *source_p, |
96 |
|
|
int parc, char *parv[]) |
97 |
|
|
{ |
98 |
adx |
269 |
static time_t last_used = 0; |
99 |
|
|
|
100 |
adx |
30 |
if (parc < 2 || EmptyString(parv[1])) |
101 |
|
|
{ |
102 |
|
|
sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN), |
103 |
|
|
me.name, source_p->name); |
104 |
|
|
return; |
105 |
|
|
} |
106 |
|
|
|
107 |
michael |
93 |
if (parc > 2 && !EmptyString(parv[2])) |
108 |
adx |
30 |
{ |
109 |
|
|
/* seeing as this is going across servers, we should limit it */ |
110 |
|
|
if ((last_used + ConfigFileEntry.pace_wait_simple) > CurrentTime) |
111 |
|
|
{ |
112 |
|
|
sendto_one(source_p, form_str(RPL_LOAD2HI), |
113 |
|
|
me.name, source_p->name); |
114 |
|
|
return; |
115 |
|
|
} |
116 |
|
|
else |
117 |
|
|
last_used = CurrentTime; |
118 |
|
|
|
119 |
|
|
/* if we have serverhide enabled, they can either ask the clients |
120 |
|
|
* server, or our server.. I dont see why they would need to ask |
121 |
|
|
* anything else for info about the client.. --fl_ |
122 |
|
|
*/ |
123 |
|
|
if (ConfigFileEntry.disable_remote) |
124 |
|
|
parv[1] = parv[2]; |
125 |
|
|
|
126 |
|
|
if (hunt_server(client_p, source_p, ":%s WHOIS %s :%s", 1, |
127 |
|
|
parc, parv) != HUNTED_ISME) |
128 |
|
|
return; |
129 |
|
|
|
130 |
|
|
parv[1] = parv[2]; |
131 |
|
|
} |
132 |
|
|
|
133 |
|
|
#ifdef STATIC_MODULES |
134 |
|
|
do_whois(source_p, parc, parv); |
135 |
|
|
#else |
136 |
|
|
execute_callback(whois_cb, source_p, parc, parv); |
137 |
|
|
#endif |
138 |
|
|
} |
139 |
|
|
|
140 |
|
|
/* |
141 |
|
|
** mo_whois |
142 |
|
|
** parv[0] = sender prefix |
143 |
|
|
** parv[1] = nickname masklist |
144 |
|
|
*/ |
145 |
|
|
static void |
146 |
|
|
mo_whois(struct Client *client_p, struct Client *source_p, |
147 |
|
|
int parc, char *parv[]) |
148 |
|
|
{ |
149 |
|
|
if (parc < 2 || EmptyString(parv[1])) |
150 |
|
|
{ |
151 |
|
|
sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN), |
152 |
|
|
me.name, source_p->name); |
153 |
|
|
return; |
154 |
|
|
} |
155 |
|
|
|
156 |
michael |
93 |
if (parc > 2 && !EmptyString(parv[2])) |
157 |
adx |
30 |
{ |
158 |
|
|
if (hunt_server(client_p, source_p, ":%s WHOIS %s :%s", 1, |
159 |
|
|
parc, parv) != HUNTED_ISME) |
160 |
|
|
return; |
161 |
|
|
|
162 |
|
|
parv[1] = parv[2]; |
163 |
|
|
} |
164 |
|
|
|
165 |
|
|
#ifdef STATIC_MODULES |
166 |
|
|
do_whois(source_p, parc, parv); |
167 |
|
|
#else |
168 |
|
|
execute_callback(whois_cb, source_p, parc, parv); |
169 |
|
|
#endif |
170 |
|
|
} |
171 |
|
|
|
172 |
|
|
/* do_whois() |
173 |
|
|
* |
174 |
|
|
* inputs - pointer to /whois source |
175 |
|
|
* - number of parameters |
176 |
|
|
* - pointer to parameters array |
177 |
|
|
* output - pointer to void |
178 |
|
|
* side effects - Does whois |
179 |
|
|
*/ |
180 |
|
|
static void |
181 |
|
|
do_whois(struct Client *source_p, int parc, char **parv) |
182 |
|
|
{ |
183 |
adx |
269 |
static time_t last_used = 0; |
184 |
adx |
30 |
struct Client *target_p; |
185 |
|
|
char *nick; |
186 |
|
|
char *p = NULL; |
187 |
|
|
int found = 0; |
188 |
|
|
|
189 |
|
|
nick = parv[1]; |
190 |
|
|
while (*nick == ',') |
191 |
|
|
nick++; |
192 |
|
|
if ((p = strchr(nick,',')) != NULL) |
193 |
|
|
*p = '\0'; |
194 |
|
|
|
195 |
|
|
if (*nick == '\0') |
196 |
|
|
return; |
197 |
|
|
|
198 |
|
|
collapse(nick); |
199 |
|
|
|
200 |
|
|
if (strpbrk(nick, "?#*") == NULL) |
201 |
|
|
{ |
202 |
|
|
if ((target_p = find_client(nick)) != NULL) |
203 |
|
|
{ |
204 |
|
|
if (IsClient(target_p)) |
205 |
|
|
{ |
206 |
adx |
268 |
whois_person(source_p, target_p); |
207 |
|
|
found = 1; |
208 |
adx |
30 |
} |
209 |
|
|
} |
210 |
|
|
} |
211 |
|
|
else /* wilds is true */ |
212 |
|
|
{ |
213 |
adx |
268 |
if (!IsOper(source_p)) |
214 |
|
|
{ |
215 |
|
|
if ((last_used + ConfigFileEntry.pace_wait_simple) > CurrentTime) |
216 |
|
|
{ |
217 |
|
|
sendto_one(source_p, form_str(RPL_LOAD2HI), |
218 |
|
|
me.name, source_p->name); |
219 |
|
|
return; |
220 |
|
|
} |
221 |
|
|
else |
222 |
|
|
last_used = CurrentTime; |
223 |
|
|
} |
224 |
|
|
|
225 |
adx |
30 |
/* Oh-oh wilds is true so have to do it the hard expensive way */ |
226 |
|
|
if (MyClient(source_p)) |
227 |
|
|
found = global_whois(source_p, nick); |
228 |
|
|
} |
229 |
|
|
|
230 |
|
|
if (!found) |
231 |
|
|
{ |
232 |
|
|
if (!IsDigit(*nick)) |
233 |
|
|
sendto_one(source_p, form_str(ERR_NOSUCHNICK), |
234 |
|
|
me.name, source_p->name, nick); |
235 |
|
|
} |
236 |
|
|
|
237 |
|
|
sendto_one(source_p, form_str(RPL_ENDOFWHOIS), |
238 |
|
|
me.name, source_p->name, parv[1]); |
239 |
|
|
} |
240 |
|
|
|
241 |
|
|
/* global_whois() |
242 |
|
|
* |
243 |
|
|
* Inputs - source_p client to report to |
244 |
|
|
* - target_p client to report on |
245 |
|
|
* Output - if found return 1 |
246 |
|
|
* Side Effects - do a single whois on given client |
247 |
|
|
* writing results to source_p |
248 |
|
|
*/ |
249 |
|
|
static int |
250 |
|
|
global_whois(struct Client *source_p, const char *nick) |
251 |
|
|
{ |
252 |
|
|
dlink_node *ptr; |
253 |
|
|
struct Client *target_p; |
254 |
|
|
int found = 0; |
255 |
|
|
|
256 |
|
|
DLINK_FOREACH(ptr, global_client_list.head) |
257 |
|
|
{ |
258 |
|
|
target_p = ptr->data; |
259 |
|
|
|
260 |
|
|
if (!IsClient(target_p)) |
261 |
|
|
continue; |
262 |
|
|
|
263 |
|
|
if (!match(nick, target_p->name)) |
264 |
|
|
continue; |
265 |
|
|
|
266 |
|
|
assert(target_p->servptr != NULL); |
267 |
|
|
|
268 |
|
|
/* 'Rules' established for sending a WHOIS reply: |
269 |
|
|
* |
270 |
|
|
* |
271 |
|
|
* - if wildcards are being used dont send a reply if |
272 |
|
|
* the querier isnt any common channels and the |
273 |
|
|
* client in question is invisible and wildcards are |
274 |
|
|
* in use (allow exact matches only); |
275 |
|
|
* |
276 |
|
|
* - only send replies about common or public channels |
277 |
|
|
* the target user(s) are on; |
278 |
|
|
*/ |
279 |
|
|
|
280 |
|
|
found |= single_whois(source_p, target_p); |
281 |
|
|
} |
282 |
|
|
|
283 |
michael |
885 |
return found; |
284 |
adx |
30 |
} |
285 |
|
|
|
286 |
|
|
/* single_whois() |
287 |
|
|
* |
288 |
|
|
* Inputs - source_p client to report to |
289 |
|
|
* - target_p client to report on |
290 |
|
|
* Output - if found return 1 |
291 |
|
|
* Side Effects - do a single whois on given client |
292 |
|
|
* writing results to source_p |
293 |
|
|
*/ |
294 |
|
|
static int |
295 |
|
|
single_whois(struct Client *source_p, struct Client *target_p) |
296 |
|
|
{ |
297 |
|
|
dlink_node *ptr; |
298 |
|
|
struct Channel *chptr; |
299 |
|
|
|
300 |
|
|
if (!IsInvisible(target_p) || target_p == source_p) |
301 |
|
|
{ |
302 |
|
|
/* always show user if they are visible (no +i) */ |
303 |
|
|
whois_person(source_p, target_p); |
304 |
|
|
return 1; |
305 |
|
|
} |
306 |
|
|
|
307 |
|
|
/* target_p is +i. Check if it is on any common channels with source_p */ |
308 |
|
|
DLINK_FOREACH(ptr, target_p->channel.head) |
309 |
|
|
{ |
310 |
|
|
chptr = ((struct Membership *) ptr->data)->chptr; |
311 |
|
|
if (IsMember(source_p, chptr)) |
312 |
|
|
{ |
313 |
|
|
whois_person(source_p, target_p); |
314 |
|
|
return 1; |
315 |
|
|
} |
316 |
|
|
} |
317 |
|
|
|
318 |
|
|
return 0; |
319 |
|
|
} |
320 |
|
|
|
321 |
|
|
/* whois_person() |
322 |
|
|
* |
323 |
|
|
* inputs - source_p client to report to |
324 |
|
|
* - target_p client to report on |
325 |
|
|
* output - NONE |
326 |
|
|
* side effects - |
327 |
|
|
*/ |
328 |
|
|
static void |
329 |
|
|
whois_person(struct Client *source_p, struct Client *target_p) |
330 |
|
|
{ |
331 |
|
|
char buf[IRCD_BUFSIZE]; |
332 |
|
|
dlink_node *lp; |
333 |
|
|
struct Client *server_p; |
334 |
|
|
struct Channel *chptr; |
335 |
|
|
struct Membership *ms; |
336 |
|
|
int cur_len = 0; |
337 |
|
|
int mlen; |
338 |
|
|
char *t = NULL; |
339 |
|
|
int tlen; |
340 |
|
|
int reply_to_send = NO; |
341 |
|
|
|
342 |
|
|
server_p = target_p->servptr; |
343 |
|
|
|
344 |
|
|
sendto_one(source_p, form_str(RPL_WHOISUSER), |
345 |
|
|
me.name, source_p->name, target_p->name, |
346 |
|
|
target_p->username, target_p->host, target_p->info); |
347 |
|
|
|
348 |
|
|
cur_len = mlen = ircsprintf(buf, form_str(RPL_WHOISCHANNELS), |
349 |
|
|
me.name, source_p->name, target_p->name, ""); |
350 |
|
|
t = buf + mlen; |
351 |
|
|
|
352 |
|
|
DLINK_FOREACH(lp, target_p->channel.head) |
353 |
|
|
{ |
354 |
|
|
ms = lp->data; |
355 |
|
|
chptr = ms->chptr; |
356 |
|
|
|
357 |
|
|
if (ShowChannel(source_p, chptr)) |
358 |
|
|
{ |
359 |
|
|
/* Don't show local channels if user is doing a remote whois */ |
360 |
|
|
if (!MyConnect(source_p) && (chptr->chname[0] == '&')) |
361 |
|
|
continue; |
362 |
|
|
|
363 |
|
|
if ((cur_len + 3 + strlen(chptr->chname) + 1) > (IRCD_BUFSIZE - 2)) |
364 |
|
|
{ |
365 |
|
|
*(t - 1) = '\0'; |
366 |
|
|
sendto_one(source_p, "%s", buf); |
367 |
|
|
cur_len = mlen; |
368 |
|
|
t = buf + mlen; |
369 |
|
|
} |
370 |
|
|
|
371 |
|
|
tlen = ircsprintf(t, "%s%s ", get_member_status(ms, YES), chptr->chname); |
372 |
|
|
t += tlen; |
373 |
|
|
cur_len += tlen; |
374 |
|
|
reply_to_send = YES; |
375 |
|
|
} |
376 |
|
|
} |
377 |
|
|
|
378 |
|
|
if (reply_to_send) |
379 |
|
|
{ |
380 |
|
|
*(t - 1) = '\0'; |
381 |
|
|
sendto_one(source_p, "%s", buf); |
382 |
|
|
} |
383 |
|
|
|
384 |
|
|
if (IsOper(source_p) || !ConfigServerHide.hide_servers || target_p == source_p) |
385 |
|
|
sendto_one(source_p, form_str(RPL_WHOISSERVER), |
386 |
|
|
me.name, source_p->name, target_p->name, |
387 |
|
|
server_p->name, server_p->info); |
388 |
|
|
else |
389 |
|
|
sendto_one(source_p, form_str(RPL_WHOISSERVER), |
390 |
|
|
me.name, source_p->name, target_p->name, |
391 |
|
|
ConfigServerHide.hidden_name, |
392 |
|
|
ServerInfo.network_desc); |
393 |
|
|
|
394 |
|
|
if (target_p->away != NULL) |
395 |
|
|
sendto_one(source_p, form_str(RPL_AWAY), |
396 |
|
|
me.name, source_p->name, target_p->name, |
397 |
|
|
target_p->away); |
398 |
|
|
|
399 |
adx |
660 |
if (IsSetCallerId(target_p) && !IsSoftCallerId(target_p)) |
400 |
|
|
sendto_one(source_p, form_str(RPL_TARGUMODEG), |
401 |
|
|
me.name, source_p->name, target_p->name); |
402 |
|
|
|
403 |
adx |
30 |
if (IsOper(target_p)) |
404 |
|
|
sendto_one(source_p, form_str((IsAdmin(target_p) && |
405 |
|
|
!IsOperHiddenAdmin(target_p)) ? RPL_WHOISADMIN : |
406 |
|
|
RPL_WHOISOPERATOR), me.name, source_p->name, target_p->name); |
407 |
|
|
|
408 |
|
|
if (IsOper(source_p) && IsCaptured(target_p)) |
409 |
|
|
sendto_one(source_p, form_str(RPL_ISCAPTURED), |
410 |
|
|
me.name, source_p->name, target_p->name); |
411 |
|
|
|
412 |
db |
280 |
if (ConfigFileEntry.use_whois_actually) |
413 |
adx |
30 |
{ |
414 |
db |
280 |
int show_ip = 0; |
415 |
|
|
|
416 |
michael |
472 |
if ((target_p->sockhost[0] != '\0') && irccmp(target_p->sockhost, "0")) |
417 |
db |
280 |
{ |
418 |
|
|
if ((IsAdmin(source_p) || source_p == target_p)) |
419 |
|
|
show_ip = 1; |
420 |
|
|
else if (IsIPSpoof(target_p)) |
421 |
|
|
show_ip = (IsOper(source_p) && !ConfigFileEntry.hide_spoof_ips); |
422 |
|
|
else |
423 |
|
|
show_ip = 1; |
424 |
|
|
|
425 |
michael |
472 |
sendto_one(source_p, form_str(RPL_WHOISACTUALLY), |
426 |
|
|
me.name, source_p->name, target_p->name, |
427 |
|
|
show_ip ? target_p->sockhost : "255.255.255.255"); |
428 |
db |
280 |
} |
429 |
adx |
30 |
} |
430 |
|
|
|
431 |
|
|
if (MyConnect(target_p)) /* Can't do any of this if not local! db */ |
432 |
|
|
{ |
433 |
|
|
#ifdef HAVE_LIBCRYPTO |
434 |
|
|
if (target_p->localClient->fd.ssl) |
435 |
michael |
1114 |
sendto_one(source_p, form_str(RPL_WHOISSECURE), |
436 |
adx |
30 |
me.name, source_p->name, target_p->name); |
437 |
|
|
#endif |
438 |
|
|
sendto_one(source_p, form_str(RPL_WHOISIDLE), |
439 |
|
|
me.name, source_p->name, target_p->name, |
440 |
|
|
CurrentTime - target_p->localClient->last, |
441 |
|
|
target_p->firsttime); |
442 |
|
|
} |
443 |
|
|
} |