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root/svn/ircd-hybrid-8/modules/m_whois.c
Revision: 1176
Committed: Sun Aug 14 11:24:24 2011 UTC (12 years, 7 months ago) by michael
Content type: text/x-csrc
File size: 11548 byte(s)
Log Message:
- remove idle-time klines
- rename LocalUser.last to LocalUser.last_privmsg
- m_message.c: reset source_p->last_privmsg even if a client is messaging itself


File Contents

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

Properties

Name Value
svn:eol-style native
svn:keywords Id Revision