ViewVC Help
View File | Revision Log | Show Annotations | View Changeset | Root Listing
root/svn/ircd-hybrid/modules/m_whois.c
Revision: 479
Committed: Fri Feb 24 11:28:05 2006 UTC (20 years, 5 months ago) by adx
Content type: text/x-csrc
File size: 10858 byte(s)
Log Message:
+ fixed a stupid

File Contents

# User Rev Content
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     #include "common.h"
27     #include "handlers.h"
28     #include "client.h"
29     #include "hash.h"
30     #include "channel.h"
31     #include "channel_mode.h"
32     #include "ircd.h"
33     #include "numeric.h"
34     #include "s_conf.h"
35     #include "s_serv.h"
36     #include "send.h"
37     #include "msg.h"
38     #include "parse.h"
39 db 470 #include "conf/modules.h"
40 adx 30
41 adx 444 static void *do_whois(va_list);
42 adx 30 static int single_whois(struct Client *, struct Client *);
43     static void whois_person(struct Client *, struct Client *);
44     static int global_whois(struct Client *, const char *);
45    
46     static void m_whois(struct Client *, struct Client *, int, char *[]);
47     static void mo_whois(struct Client *, struct Client *, int, char *[]);
48    
49     struct Message whois_msgtab = {
50     "WHOIS", 0, 0, 0, 0, MFLG_SLOW, 0,
51     { m_unregistered, m_whois, mo_whois, m_ignore, mo_whois, m_ignore }
52     };
53    
54     static struct Callback *whois_cb;
55    
56 adx 442 INIT_MODULE(m_whois, "$Revision$")
57 adx 30 {
58 adx 444 whois_cb = register_callback("doing_whois", do_whois);
59 adx 30 mod_add_cmd(&whois_msgtab);
60     }
61    
62 adx 442 CLEANUP_MODULE
63 adx 30 {
64     mod_del_cmd(&whois_msgtab);
65 adx 444 uninstall_hook(whois_cb, do_whois);
66 adx 30 }
67    
68     /*
69     ** m_whois
70     ** parv[0] = sender prefix
71     ** parv[1] = nickname masklist
72     */
73     static void
74     m_whois(struct Client *client_p, struct Client *source_p,
75     int parc, char *parv[])
76     {
77     static time_t last_used = 0;
78    
79 adx 478 if (parv[1] != NULL)
80 adx 479 {
81 adx 478 parv[1] = stripws(parv[1]);
82 adx 479 if (parv[2] != NULL)
83     parv[2] = stripws(parv[2]);
84     }
85 adx 478
86 adx 30 if (parc < 2 || EmptyString(parv[1]))
87     {
88     sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
89     me.name, source_p->name);
90     return;
91     }
92    
93 michael 92 if (parc > 2 && !EmptyString(parv[2]))
94 adx 30 {
95     /* seeing as this is going across servers, we should limit it */
96     if ((last_used + ConfigFileEntry.pace_wait_simple) > CurrentTime)
97     {
98     sendto_one(source_p, form_str(RPL_LOAD2HI),
99     me.name, source_p->name);
100     return;
101     }
102    
103 michael 398 last_used = CurrentTime;
104    
105 adx 30 /* if we have serverhide enabled, they can either ask the clients
106     * server, or our server.. I dont see why they would need to ask
107     * anything else for info about the client.. --fl_
108     */
109     if (ConfigFileEntry.disable_remote)
110     parv[1] = parv[2];
111    
112     if (hunt_server(client_p, source_p, ":%s WHOIS %s :%s", 1,
113     parc, parv) != HUNTED_ISME)
114     return;
115    
116     parv[1] = parv[2];
117     }
118    
119     execute_callback(whois_cb, source_p, parc, parv);
120     }
121    
122     /*
123     ** mo_whois
124     ** parv[0] = sender prefix
125     ** parv[1] = nickname masklist
126     */
127     static void
128     mo_whois(struct Client *client_p, struct Client *source_p,
129     int parc, char *parv[])
130     {
131 adx 478 if (parv[1] != NULL)
132 adx 479 {
133 adx 478 parv[1] = stripws(parv[1]);
134 adx 479 if (parv[2] != NULL)
135     parv[2] = stripws(parv[2]);
136     }
137 adx 478
138 adx 30 if (parc < 2 || EmptyString(parv[1]))
139     {
140     sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN),
141     me.name, source_p->name);
142     return;
143     }
144    
145 michael 92 if (parc > 2 && !EmptyString(parv[2]))
146 adx 30 {
147     if (hunt_server(client_p, source_p, ":%s WHOIS %s :%s", 1,
148     parc, parv) != HUNTED_ISME)
149     return;
150    
151     parv[1] = parv[2];
152     }
153    
154     execute_callback(whois_cb, source_p, parc, parv);
155     }
156    
157     /* do_whois()
158     *
159     * inputs - pointer to /whois source
160     * - number of parameters
161     * - pointer to parameters array
162     * output - pointer to void
163     * side effects - Does whois
164     */
165 adx 444 static void *
166     do_whois(va_list args)
167 adx 30 {
168 adx 444 struct Client *source_p = va_arg(args, struct Client *);
169     char **parv;
170 adx 270 static time_t last_used = 0;
171 adx 30 struct Client *target_p;
172     char *nick;
173     char *p = NULL;
174     int found = 0;
175    
176 adx 444 va_arg(args, int);
177     parv = va_arg(args, char **);
178    
179 adx 30 nick = parv[1];
180     while (*nick == ',')
181     nick++;
182 adx 270 if ((p = strchr(nick, ',')) != NULL)
183 adx 30 *p = '\0';
184    
185     if (*nick == '\0')
186 adx 444 return NULL;
187 adx 30
188     collapse(nick);
189    
190 michael 290 if (!has_wildcards(nick))
191 adx 30 {
192 michael 398 if ((target_p = find_client(nick)) && IsClient(target_p))
193 adx 30 {
194 michael 398 whois_person(source_p, target_p);
195     found = 1;
196 adx 30 }
197     }
198     else /* wilds is true */
199     {
200 adx 270 if (!IsOper(source_p))
201     {
202     if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime)
203     {
204     sendto_one(source_p, form_str(RPL_LOAD2HI),
205     me.name, source_p->name);
206 adx 444 return NULL;
207 adx 270 }
208 michael 398
209     last_used = CurrentTime;
210 adx 270 }
211    
212 adx 30 /* Oh-oh wilds is true so have to do it the hard expensive way */
213     if (MyClient(source_p))
214     found = global_whois(source_p, nick);
215     }
216    
217     if (!found)
218     {
219     if (!IsDigit(*nick))
220     sendto_one(source_p, form_str(ERR_NOSUCHNICK),
221 michael 92 me.name, source_p->name, nick);
222 adx 30 }
223    
224     sendto_one(source_p, form_str(RPL_ENDOFWHOIS),
225     me.name, source_p->name, parv[1]);
226 adx 444 return NULL;
227 adx 30 }
228    
229     /* global_whois()
230     *
231     * Inputs - source_p client to report to
232     * - target_p client to report on
233     * Output - if found return 1
234     * Side Effects - do a single whois on given client
235     * writing results to source_p
236     */
237     static int
238     global_whois(struct Client *source_p, const char *nick)
239     {
240 michael 92 dlink_node *ptr = NULL;
241     struct Client *target_p = NULL;
242 adx 30 int found = 0;
243    
244     DLINK_FOREACH(ptr, global_client_list.head)
245     {
246     target_p = ptr->data;
247    
248     if (!IsClient(target_p))
249     continue;
250    
251     if (!match(nick, target_p->name))
252     continue;
253    
254     assert(target_p->servptr != NULL);
255    
256     /* 'Rules' established for sending a WHOIS reply:
257     *
258     *
259     * - if wildcards are being used dont send a reply if
260     * the querier isnt any common channels and the
261     * client in question is invisible and wildcards are
262     * in use (allow exact matches only);
263     *
264     * - only send replies about common or public channels
265     * the target user(s) are on;
266     */
267    
268     found |= single_whois(source_p, target_p);
269     }
270    
271 michael 92 return found;
272 adx 30 }
273    
274     /* single_whois()
275     *
276     * Inputs - source_p client to report to
277     * - target_p client to report on
278     * Output - if found return 1
279     * Side Effects - do a single whois on given client
280     * writing results to source_p
281     */
282     static int
283     single_whois(struct Client *source_p, struct Client *target_p)
284     {
285 michael 92 dlink_node *ptr = NULL;
286     struct Channel *chptr = NULL;
287 adx 30
288     if (!IsInvisible(target_p) || target_p == source_p)
289     {
290     /* always show user if they are visible (no +i) */
291     whois_person(source_p, target_p);
292     return 1;
293     }
294    
295     /* target_p is +i. Check if it is on any common channels with source_p */
296     DLINK_FOREACH(ptr, target_p->channel.head)
297     {
298     chptr = ((struct Membership *) ptr->data)->chptr;
299     if (IsMember(source_p, chptr))
300     {
301     whois_person(source_p, target_p);
302     return 1;
303     }
304     }
305    
306     return 0;
307     }
308    
309     /* whois_person()
310     *
311     * inputs - source_p client to report to
312     * - target_p client to report on
313     * output - NONE
314     * side effects -
315     */
316     static void
317     whois_person(struct Client *source_p, struct Client *target_p)
318     {
319     char buf[IRCD_BUFSIZE];
320     dlink_node *lp;
321     struct Client *server_p;
322     struct Channel *chptr;
323     struct Membership *ms;
324     int cur_len = 0;
325     int mlen;
326     char *t = NULL;
327     int tlen;
328     int reply_to_send = NO;
329    
330     server_p = target_p->servptr;
331    
332     sendto_one(source_p, form_str(RPL_WHOISUSER),
333     me.name, source_p->name, target_p->name,
334     target_p->username, target_p->host, target_p->info);
335    
336     cur_len = mlen = ircsprintf(buf, form_str(RPL_WHOISCHANNELS),
337     me.name, source_p->name, target_p->name, "");
338     t = buf + mlen;
339    
340     DLINK_FOREACH(lp, target_p->channel.head)
341     {
342     ms = lp->data;
343     chptr = ms->chptr;
344    
345     if (ShowChannel(source_p, chptr))
346     {
347     /* Don't show local channels if user is doing a remote whois */
348     if (!MyConnect(source_p) && (chptr->chname[0] == '&'))
349 michael 92 continue;
350 adx 30
351     if ((cur_len + 3 + strlen(chptr->chname) + 1) > (IRCD_BUFSIZE - 2))
352     {
353 michael 92 *(t - 1) = '\0';
354     sendto_one(source_p, "%s", buf);
355     cur_len = mlen;
356     t = buf + mlen;
357 adx 30 }
358    
359     tlen = ircsprintf(t, "%s%s ", get_member_status(ms, YES), chptr->chname);
360     t += tlen;
361     cur_len += tlen;
362     reply_to_send = YES;
363     }
364     }
365    
366     if (reply_to_send)
367     {
368     *(t - 1) = '\0';
369     sendto_one(source_p, "%s", buf);
370     }
371    
372     if (IsOper(source_p) || !ConfigServerHide.hide_servers || target_p == source_p)
373     sendto_one(source_p, form_str(RPL_WHOISSERVER),
374     me.name, source_p->name, target_p->name,
375     server_p->name, server_p->info);
376     else
377     sendto_one(source_p, form_str(RPL_WHOISSERVER),
378 michael 92 me.name, source_p->name, target_p->name,
379 adx 30 ConfigServerHide.hidden_name,
380 michael 92 ServerInfo.network_desc);
381 adx 30
382     if (target_p->away != NULL)
383     sendto_one(source_p, form_str(RPL_AWAY),
384     me.name, source_p->name, target_p->name,
385     target_p->away);
386    
387     if (IsOper(target_p))
388     sendto_one(source_p, form_str((IsAdmin(target_p) &&
389     !IsOperHiddenAdmin(target_p)) ? RPL_WHOISADMIN :
390     RPL_WHOISOPERATOR), me.name, source_p->name, target_p->name);
391    
392     if (IsOper(source_p) && IsCaptured(target_p))
393     sendto_one(source_p, form_str(RPL_ISCAPTURED),
394     me.name, source_p->name, target_p->name);
395    
396 db 279 if (ConfigFileEntry.use_whois_actually)
397 adx 30 {
398 db 279 int show_ip = 0;
399    
400 michael 294 if (target_p->sockhost[0] && irccmp(target_p->sockhost, "0"))
401 db 279 {
402     if ((IsAdmin(source_p) || source_p == target_p))
403     show_ip = 1;
404     else if (IsIPSpoof(target_p))
405     show_ip = (IsOper(source_p) && !ConfigFileEntry.hide_spoof_ips);
406     else
407     show_ip = 1;
408    
409     sendto_one(source_p, form_str(RPL_WHOISACTUALLY),
410     me.name, source_p->name, target_p->name,
411     show_ip ? target_p->sockhost : "255.255.255.255");
412     }
413 adx 30 }
414    
415     if (MyConnect(target_p)) /* Can't do any of this if not local! db */
416     {
417     #ifdef HAVE_LIBCRYPTO
418     if (target_p->localClient->fd.ssl)
419     sendto_one(source_p, form_str(RPL_WHOISSSL),
420     me.name, source_p->name, target_p->name);
421     #endif
422     sendto_one(source_p, form_str(RPL_WHOISIDLE),
423     me.name, source_p->name, target_p->name,
424     CurrentTime - target_p->localClient->last,
425     target_p->firsttime);
426     }
427     }

Properties

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