]>
Commit | Line | Data |
---|---|---|
212380e3 | 1 | /* |
2 | * ircd-ratbox: A slightly useful ircd. | |
3 | * m_whois.c: Shows who a user is. | |
4 | * | |
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 | |
8 | * | |
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. | |
13 | * | |
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. | |
18 | * | |
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 | |
22 | * USA | |
23 | * | |
f7eac53d | 24 | * $Id: m_whois.c 3536 2007-07-14 21:50:21Z jilles $ |
212380e3 | 25 | */ |
26 | ||
27 | #include "stdinc.h" | |
212380e3 | 28 | #include "common.h" |
29 | #include "client.h" | |
30 | #include "hash.h" | |
31 | #include "channel.h" | |
32 | #include "hash.h" | |
33 | #include "ircd.h" | |
34 | #include "numeric.h" | |
35 | #include "s_conf.h" | |
36 | #include "s_serv.h" | |
37 | #include "send.h" | |
13ae2f4b | 38 | #include "match.h" |
212380e3 | 39 | #include "s_conf.h" |
d3455e2c | 40 | #include "logger.h" |
212380e3 | 41 | #include "msg.h" |
42 | #include "parse.h" | |
43 | #include "modules.h" | |
44 | #include "hook.h" | |
45 | #include "s_newconf.h" | |
be2d3c11 | 46 | #include "s_user.h" |
212380e3 | 47 | |
48 | static void do_whois(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]); | |
49 | static void single_whois(struct Client *source_p, struct Client *target_p, int operspy); | |
50 | ||
51 | static int m_whois(struct Client *, struct Client *, int, const char **); | |
52 | static int ms_whois(struct Client *, struct Client *, int, const char **); | |
53 | ||
54 | struct Message whois_msgtab = { | |
55 | "WHOIS", 0, 0, 0, MFLG_SLOW, | |
56 | {mg_unreg, {m_whois, 2}, {ms_whois, 2}, mg_ignore, mg_ignore, {m_whois, 2}} | |
57 | }; | |
58 | ||
59 | int doing_whois_hook; | |
60 | int doing_whois_global_hook; | |
61 | ||
62 | mapi_clist_av1 whois_clist[] = { &whois_msgtab, NULL }; | |
63 | mapi_hlist_av1 whois_hlist[] = { | |
64 | { "doing_whois", &doing_whois_hook }, | |
65 | { "doing_whois_global", &doing_whois_global_hook }, | |
66 | { NULL, NULL } | |
67 | }; | |
68 | ||
f7eac53d | 69 | DECLARE_MODULE_AV1(whois, NULL, NULL, whois_clist, whois_hlist, NULL, "$Revision: 3536 $"); |
212380e3 | 70 | |
71 | /* | |
72 | * m_whois | |
212380e3 | 73 | * parv[1] = nickname masklist |
74 | */ | |
75 | static int | |
76 | m_whois(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
77 | { | |
78 | static time_t last_used = 0; | |
79 | ||
80 | if(parc > 2) | |
81 | { | |
82 | if(EmptyString(parv[2])) | |
83 | { | |
84 | sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN), | |
85 | me.name, source_p->name); | |
86 | return 0; | |
87 | } | |
88 | ||
89 | if(!IsOper(source_p)) | |
90 | { | |
91 | /* seeing as this is going across servers, we should limit it */ | |
9f6bbe3c | 92 | if((last_used + ConfigFileEntry.pace_wait_simple) > rb_current_time()) |
212380e3 | 93 | { |
94 | sendto_one(source_p, form_str(RPL_LOAD2HI), | |
95 | me.name, source_p->name, "WHOIS"); | |
96 | sendto_one_numeric(source_p, RPL_ENDOFWHOIS, | |
f7eac53d | 97 | form_str(RPL_ENDOFWHOIS), parv[2]); |
212380e3 | 98 | return 0; |
99 | } | |
100 | else | |
9f6bbe3c | 101 | last_used = rb_current_time(); |
212380e3 | 102 | } |
103 | ||
104 | if(hunt_server(client_p, source_p, ":%s WHOIS %s :%s", 1, parc, parv) != | |
105 | HUNTED_ISME) | |
106 | return 0; | |
107 | ||
108 | parv[1] = parv[2]; | |
109 | ||
110 | } | |
111 | do_whois(client_p, source_p, parc, parv); | |
112 | ||
113 | return 0; | |
114 | } | |
115 | ||
116 | /* | |
117 | * ms_whois | |
212380e3 | 118 | * parv[1] = server to reply |
119 | * parv[2] = nickname to whois | |
120 | */ | |
121 | static int | |
122 | ms_whois(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
123 | { | |
124 | struct Client *target_p; | |
125 | ||
126 | /* note: early versions of ratbox allowed users to issue a remote | |
127 | * whois with a blank parv[2], so we cannot treat it as a protocol | |
128 | * violation. --anfl | |
129 | */ | |
130 | if(parc < 3 || EmptyString(parv[2])) | |
131 | { | |
132 | sendto_one(source_p, form_str(ERR_NONICKNAMEGIVEN), | |
133 | me.name, source_p->name); | |
134 | return 0; | |
135 | } | |
136 | ||
137 | /* check if parv[1] exists */ | |
138 | if((target_p = find_client(parv[1])) == NULL) | |
139 | { | |
140 | sendto_one_numeric(source_p, ERR_NOSUCHSERVER, | |
141 | form_str(ERR_NOSUCHSERVER), | |
142 | IsDigit(parv[1][0]) ? "*" : parv[1]); | |
143 | return 0; | |
144 | } | |
145 | ||
146 | /* if parv[1] isnt my client, or me, someone else is supposed | |
147 | * to be handling the request.. so send it to them | |
148 | */ | |
149 | if(!MyClient(target_p) && !IsMe(target_p)) | |
150 | { | |
151 | sendto_one(target_p, ":%s WHOIS %s :%s", | |
152 | get_id(source_p, target_p), | |
153 | get_id(target_p, target_p), parv[2]); | |
154 | return 0; | |
155 | } | |
156 | ||
157 | /* ok, the target is either us, or a client on our server, so perform the whois | |
158 | * but first, parv[1] == server to perform the whois on, parv[2] == person | |
159 | * to whois, so make parv[1] = parv[2] so do_whois is ok -- fl_ | |
160 | */ | |
161 | parv[1] = parv[2]; | |
162 | do_whois(client_p, source_p, parc, parv); | |
163 | ||
164 | return 0; | |
165 | } | |
166 | ||
167 | /* do_whois | |
168 | * | |
169 | * inputs - pointer to | |
170 | * output - | |
171 | * side effects - | |
172 | */ | |
173 | static void | |
174 | do_whois(struct Client *client_p, struct Client *source_p, int parc, const char *parv[]) | |
175 | { | |
176 | struct Client *target_p; | |
177 | char *nick; | |
178 | char *p = NULL; | |
179 | int operspy = 0; | |
180 | ||
181 | nick = LOCAL_COPY(parv[1]); | |
182 | if((p = strchr(nick, ','))) | |
183 | *p = '\0'; | |
184 | ||
185 | if(IsOperSpy(source_p) && *nick == '!') | |
186 | { | |
187 | operspy = 1; | |
188 | nick++; | |
189 | } | |
190 | ||
42fa7846 WP |
191 | if(MyClient(source_p)) |
192 | target_p = find_named_person(nick); | |
193 | else | |
8db00894 | 194 | target_p = find_person(nick); |
212380e3 | 195 | |
196 | if(target_p != NULL) | |
197 | { | |
198 | if(operspy) | |
199 | { | |
200 | char buffer[BUFSIZE]; | |
201 | ||
5b0a5279 | 202 | rb_snprintf(buffer, sizeof(buffer), "%s!%s@%s %s", |
212380e3 | 203 | target_p->name, target_p->username, |
c88cdb00 | 204 | target_p->host, target_p->servptr->name); |
212380e3 | 205 | report_operspy(source_p, "WHOIS", buffer); |
206 | } | |
207 | ||
208 | single_whois(source_p, target_p, operspy); | |
209 | } | |
210 | else | |
211 | sendto_one_numeric(source_p, ERR_NOSUCHNICK, | |
212 | form_str(ERR_NOSUCHNICK), | |
8a1e143f | 213 | nick); |
212380e3 | 214 | |
215 | sendto_one_numeric(source_p, RPL_ENDOFWHOIS, | |
216 | form_str(RPL_ENDOFWHOIS), parv[1]); | |
217 | return; | |
218 | } | |
219 | ||
220 | /* | |
221 | * single_whois() | |
222 | * | |
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 | |
228 | */ | |
229 | static void | |
230 | single_whois(struct Client *source_p, struct Client *target_p, int operspy) | |
231 | { | |
232 | char buf[BUFSIZE]; | |
08d11e34 | 233 | rb_dlink_node *ptr; |
212380e3 | 234 | struct membership *msptr; |
235 | struct Channel *chptr; | |
236 | int cur_len = 0; | |
237 | int mlen; | |
238 | char *t; | |
239 | int tlen; | |
240 | hook_data_client hdata; | |
212380e3 | 241 | int visible; |
242 | int extra_space = 0; | |
88b63e65 G |
243 | int i; |
244 | char *m; | |
212380e3 | 245 | |
212380e3 | 246 | if(target_p->user == NULL) |
247 | { | |
248 | s_assert(0); | |
249 | return; | |
250 | } | |
251 | ||
212380e3 | 252 | sendto_one_numeric(source_p, RPL_WHOISUSER, form_str(RPL_WHOISUSER), |
253 | target_p->name, target_p->username, | |
254 | target_p->host, target_p->info); | |
255 | ||
581fa5c4 | 256 | cur_len = mlen = rb_sprintf(buf, form_str(RPL_WHOISCHANNELS), |
212380e3 | 257 | get_id(&me, source_p), get_id(source_p, source_p), |
258 | target_p->name); | |
259 | ||
260 | /* Make sure it won't overflow when sending it to the client | |
261 | * in full names; note that serverhiding may require more space | |
262 | * for a different server name (not done here) -- jilles | |
263 | */ | |
264 | if (!MyConnect(source_p)) | |
265 | { | |
266 | extra_space = strlen(source_p->name) - 9; | |
267 | if (extra_space < 0) | |
268 | extra_space = 0; | |
269 | extra_space += strlen(me.name) - 2; /* make sure >= 0 */ | |
270 | cur_len += extra_space; | |
271 | } | |
272 | ||
273 | t = buf + mlen; | |
274 | ||
04513cff | 275 | if (!IsService(target_p)) |
212380e3 | 276 | { |
08d11e34 | 277 | RB_DLINK_FOREACH(ptr, target_p->user->channel.head) |
04513cff | 278 | { |
279 | msptr = ptr->data; | |
280 | chptr = msptr->chptr; | |
212380e3 | 281 | |
04513cff | 282 | visible = ShowChannel(source_p, chptr); |
212380e3 | 283 | |
04513cff | 284 | if(visible || operspy) |
212380e3 | 285 | { |
04513cff | 286 | if((cur_len + strlen(chptr->chname) + 3) > (BUFSIZE - 5)) |
287 | { | |
288 | sendto_one(source_p, "%s", buf); | |
289 | cur_len = mlen + extra_space; | |
290 | t = buf + mlen; | |
291 | } | |
292 | ||
581fa5c4 | 293 | tlen = rb_sprintf(t, "%s%s%s ", |
04513cff | 294 | visible ? "" : "!", |
295 | find_channel_status(msptr, 1), | |
296 | chptr->chname); | |
297 | t += tlen; | |
298 | cur_len += tlen; | |
212380e3 | 299 | } |
212380e3 | 300 | } |
301 | } | |
302 | ||
303 | if(cur_len > mlen + extra_space) | |
304 | sendto_one(source_p, "%s", buf); | |
305 | ||
306 | sendto_one_numeric(source_p, RPL_WHOISSERVER, form_str(RPL_WHOISSERVER), | |
c88cdb00 | 307 | target_p->name, target_p->servptr->name, |
1f8b58e7 | 308 | target_p->servptr->info); |
212380e3 | 309 | |
c387fc41 | 310 | if(target_p->user->away) |
212380e3 | 311 | sendto_one_numeric(source_p, RPL_AWAY, form_str(RPL_AWAY), |
c387fc41 | 312 | target_p->name, target_p->user->away); |
212380e3 | 313 | |
314 | if(IsOper(target_p)) | |
315 | { | |
316 | sendto_one_numeric(source_p, RPL_WHOISOPERATOR, form_str(RPL_WHOISOPERATOR), | |
317 | target_p->name, | |
318 | IsService(target_p) ? ConfigFileEntry.servicestring : | |
319 | (IsAdmin(target_p) ? GlobalSetOptions.adminstring : | |
320 | GlobalSetOptions.operstring)); | |
321 | } | |
322 | ||
5da17c50 WP |
323 | if(IsSSLClient(target_p)) |
324 | sendto_one_numeric(source_p, RPL_WHOISSECURE, form_str(RPL_WHOISSECURE), | |
325 | target_p->name); | |
54656d76 JT |
326 | if((source_p == target_p || IsOper(source_p)) && |
327 | target_p->certfp != NULL) | |
328 | sendto_one_numeric(source_p, RPL_WHOISCERTFP, | |
329 | form_str(RPL_WHOISCERTFP), | |
330 | target_p->name, target_p->certfp); | |
5da17c50 | 331 | |
930629c5 G |
332 | if(IsSetBot(target_p)) |
333 | sendto_one_numeric(source_p, RPL_WHOISBOT, | |
334 | form_str(RPL_WHOISBOT), | |
335 | target_p->name); | |
6faf3f4d G |
336 | if(IsOper(source_p)) |
337 | { | |
338 | m = buf; | |
339 | *m++ = '+'; | |
88b63e65 | 340 | |
6faf3f4d G |
341 | for (i = 0; i < 128; i++) /* >= 127 is extended ascii */ |
342 | if (target_p->umodes & user_modes[i]) | |
343 | *m++ = (char) i; | |
344 | *m = '\0'; | |
88b63e65 | 345 | |
6faf3f4d G |
346 | sendto_one_numeric(source_p, RPL_WHOISMODES, |
347 | form_str(RPL_WHOISMODES), | |
348 | target_p->name, buf); | |
349 | } | |
88b63e65 | 350 | |
212380e3 | 351 | if(MyClient(target_p)) |
352 | { | |
353 | if (IsDynSpoof(target_p) && (IsOper(source_p) || source_p == target_p)) | |
354 | { | |
355 | /* trick here: show a nonoper their own IP if | |
356 | * dynamic spoofed but not if auth{} spoofed | |
357 | * -- jilles */ | |
358 | ClearDynSpoof(target_p); | |
359 | sendto_one_numeric(source_p, RPL_WHOISHOST, | |
360 | form_str(RPL_WHOISHOST), | |
361 | target_p->name, target_p->orighost, | |
362 | show_ip(source_p, target_p) ? target_p->sockhost : "255.255.255.255"); | |
363 | SetDynSpoof(target_p); | |
364 | } | |
365 | else if(ConfigFileEntry.use_whois_actually && show_ip(source_p, target_p)) | |
366 | sendto_one_numeric(source_p, RPL_WHOISACTUALLY, | |
367 | form_str(RPL_WHOISACTUALLY), | |
368 | target_p->name, target_p->sockhost); | |
369 | ||
370 | sendto_one_numeric(source_p, RPL_WHOISIDLE, form_str(RPL_WHOISIDLE), | |
371 | target_p->name, | |
9f6bbe3c | 372 | rb_current_time() - target_p->localClient->last, |
212380e3 | 373 | target_p->localClient->firsttime); |
374 | } | |
375 | else | |
376 | { | |
377 | if (IsDynSpoof(target_p) && (IsOper(source_p) || source_p == target_p)) | |
378 | { | |
379 | ClearDynSpoof(target_p); | |
380 | sendto_one_numeric(source_p, RPL_WHOISHOST, | |
381 | form_str(RPL_WHOISHOST), | |
382 | target_p->name, target_p->orighost, | |
383 | show_ip(source_p, target_p) && !EmptyString(target_p->sockhost) && strcmp(target_p->sockhost, "0")? target_p->sockhost : "255.255.255.255"); | |
384 | SetDynSpoof(target_p); | |
385 | } | |
386 | else if(ConfigFileEntry.use_whois_actually && show_ip(source_p, target_p) && | |
387 | !EmptyString(target_p->sockhost) && strcmp(target_p->sockhost, "0")) | |
388 | { | |
389 | sendto_one_numeric(source_p, RPL_WHOISACTUALLY, | |
390 | form_str(RPL_WHOISACTUALLY), | |
391 | target_p->name, target_p->sockhost); | |
392 | ||
393 | } | |
212380e3 | 394 | } |
395 | ||
396 | hdata.client = source_p; | |
397 | hdata.target = target_p; | |
398 | ||
399 | /* doing_whois_hook must only be called for local clients, | |
400 | * doing_whois_global_hook must only be called for local targets | |
401 | */ | |
402 | /* it is important that these are called *before* RPL_ENDOFWHOIS is | |
403 | * sent, services compatibility code depends on it. --anfl | |
404 | */ | |
405 | if(MyClient(source_p)) | |
406 | call_hook(doing_whois_hook, &hdata); | |
407 | else | |
408 | call_hook(doing_whois_global_hook, &hdata); | |
409 | ||
410 | return; | |
411 | } | |
412 |