1 |
/* |
2 |
* ptasks.C: Implementation of common protocol tasks. |
3 |
* Rights to this code are documented in doc/pod/license.pod. |
4 |
* |
5 |
* Copyright © 2005-2007 Atheme Project (http://www.atheme.org) |
6 |
*/ |
7 |
|
8 |
static char const rcsid[] = "$Id: ptasks.C,v 1.5 2007-08-29 21:01:19 pippijn Exp $"; |
9 |
|
10 |
#include "atheme.h" |
11 |
#include <account/myuser.h> |
12 |
#include <account/mynick.h> |
13 |
#include <account/kline.h> |
14 |
#include <account/svsignore.h> |
15 |
#include <common/random.h> |
16 |
#include "uplink.h" |
17 |
#include "pmodule.h" |
18 |
#include "privs.h" |
19 |
#include "connection.h" |
20 |
|
21 |
void |
22 |
handle_info (user_t *u) |
23 |
{ |
24 |
unsigned int i; |
25 |
|
26 |
if (u == NULL) |
27 |
return; |
28 |
if (floodcheck (u, NULL)) |
29 |
return; |
30 |
|
31 |
for (i = 0; infotext[i]; i++) |
32 |
phandler->numeric_sts (me.name, 371, u->nick, ":%s", infotext[i]); |
33 |
|
34 |
phandler->numeric_sts (me.name, 374, u->nick, ":End of /INFO list"); |
35 |
} |
36 |
|
37 |
void |
38 |
handle_version (user_t *u) |
39 |
{ |
40 |
|
41 |
if (u == NULL) |
42 |
return; |
43 |
if (floodcheck (u, NULL)) |
44 |
return; |
45 |
|
46 |
phandler->numeric_sts (me.name, 351, u->nick, ":" PACKAGE_NAME "-%s. %s %s%s%s%s%s%s%s%s%s%s [%s]", version, me.name, (match_mapping) ? "A" : "", log_debug_enabled ()? "d" : "", (me.auth) ? "e" : "", (config_options.flood_msgs) ? "F" : "", (config_options.leave_chans) ? "l" : "", (config_options.join_chans) ? "j" : "", (chansvs.changets) ? "t" : "", (!match_mapping) ? "R" : "", (config_options.raw) ? "r" : "", (runflags & RF_LIVE) ? "n" : "", ircd->ircdname); |
47 |
phandler->numeric_sts (me.name, 351, u->nick, ":Compile time: %s, build %s", creation, generation); |
48 |
} |
49 |
|
50 |
void |
51 |
handle_admin (user_t *u) |
52 |
{ |
53 |
if (u == NULL) |
54 |
return; |
55 |
|
56 |
if (floodcheck (u, NULL)) |
57 |
return; |
58 |
|
59 |
phandler->numeric_sts (me.name, 256, u->nick, ":Administrative info about %s", me.name); |
60 |
phandler->numeric_sts (me.name, 257, u->nick, ":%s", me.adminname); |
61 |
phandler->numeric_sts (me.name, 258, u->nick, ":Ermyth IRC Services (" PACKAGE_NAME "-%s)", version); |
62 |
phandler->numeric_sts (me.name, 259, u->nick, ":<%s>", me.adminemail); |
63 |
} |
64 |
|
65 |
static void |
66 |
connection_stats_cb (char const * const line, void *privdata) |
67 |
{ |
68 |
phandler->numeric_sts (me.name, 249, ((user_t *) privdata)->nick, "F :%s", line); |
69 |
} |
70 |
|
71 |
void |
72 |
handle_stats (user_t *u, char req) |
73 |
{ |
74 |
kline_t *k; |
75 |
node_t *n; |
76 |
kline_vector::iterator klit = klnlist.begin (); |
77 |
kline_vector::iterator klet = klnlist.end (); |
78 |
uplink_t *uplink; |
79 |
soper_t *soper; |
80 |
int i, j; |
81 |
char fl[10]; |
82 |
|
83 |
if (floodcheck (u, NULL)) |
84 |
return; |
85 |
logcommand_user (NULL, u, CMDLOG_GET, "STATS %c", req); |
86 |
|
87 |
switch (req) |
88 |
{ |
89 |
#if 0 // bye for now, dictionaries |
90 |
case 'B': |
91 |
if (!has_priv_user (u, PRIV_SERVER_AUSPEX)) |
92 |
break; |
93 |
|
94 |
dictionary_stats (dictionary_stats_cb, u); |
95 |
break; |
96 |
#endif |
97 |
|
98 |
case 'C': |
99 |
case 'c': |
100 |
if (!has_priv_user (u, PRIV_SERVER_AUSPEX)) |
101 |
break; |
102 |
|
103 |
LIST_FOREACH (n, uplinks.head) |
104 |
{ |
105 |
uplink = (uplink_t *) n->data; |
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phandler->numeric_sts (me.name, 213, u->nick, "C *@127.0.0.1 A %s %d uplink", uplink->name, uplink->port); |
107 |
} |
108 |
break; |
109 |
|
110 |
case 'E': |
111 |
case 'e': |
112 |
if (!has_priv_user (u, PRIV_SERVER_AUSPEX)) |
113 |
break; |
114 |
|
115 |
phandler->numeric_sts (me.name, 249, u->nick, "E :Last event to run: %s", last_event_ran); |
116 |
|
117 |
phandler->numeric_sts (me.name, 249, u->nick, "E :%-28s %s", "Operation", "Next Execution"); |
118 |
for (i = 0; i < MAX_EVENTS; i++) |
119 |
{ |
120 |
if (event_table[i].active) |
121 |
phandler->numeric_sts (me.name, 249, u->nick, "E :%-28s %4d seconds (%d)", event_table[i].name, event_table[i].when - NOW, event_table[i].frequency); |
122 |
} |
123 |
|
124 |
break; |
125 |
|
126 |
case 'f': |
127 |
case 'F': |
128 |
if (!has_priv_user (u, PRIV_SERVER_AUSPEX)) |
129 |
break; |
130 |
|
131 |
connection_t::stats (connection_stats_cb, u); |
132 |
break; |
133 |
|
134 |
case 'H': |
135 |
case 'h': |
136 |
if (!has_priv_user (u, PRIV_SERVER_AUSPEX)) |
137 |
break; |
138 |
|
139 |
LIST_FOREACH (n, uplinks.head) |
140 |
{ |
141 |
uplink = (uplink_t *) n->data; |
142 |
phandler->numeric_sts (me.name, 244, u->nick, "H * * %s", uplink->name); |
143 |
} |
144 |
break; |
145 |
|
146 |
case 'I': |
147 |
case 'i': |
148 |
phandler->numeric_sts (me.name, 215, u->nick, "I * * *@%s 0 nonopered", me.name); |
149 |
break; |
150 |
|
151 |
case 'K': |
152 |
case 'k': |
153 |
if (!has_priv_user (u, PRIV_AKILL)) |
154 |
break; |
155 |
|
156 |
while (klit != klet) |
157 |
{ |
158 |
k = *klit; |
159 |
|
160 |
phandler->numeric_sts (me.name, 216, u->nick, "K %s * %s :%s", k->host, k->user, k->reason); |
161 |
++klit; |
162 |
} |
163 |
|
164 |
break; |
165 |
|
166 |
case 'o': |
167 |
case 'O': |
168 |
if (!has_priv_user (u, PRIV_VIEWPRIVS)) |
169 |
break; |
170 |
|
171 |
LIST_FOREACH (n, soperlist.head) |
172 |
{ |
173 |
soper = static_cast<soper_t *> (n->data); |
174 |
|
175 |
j = 0; |
176 |
if (!(soper->flags & SOPER_CONF)) |
177 |
fl[j++] = 'D'; |
178 |
if (soper->operclass != NULL && soper->operclass->flags & OPERCLASS_NEEDOPER) |
179 |
fl[j++] = 'O'; |
180 |
if (j == 0) |
181 |
fl[j++] = '*'; |
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fl[j] = '\0'; |
183 |
phandler->numeric_sts (me.name, 243, u->nick, "O *@* %s %s %s %s", fl, soper->myuser ? soper->myuser->name : soper->name, soper->operclass ? soper->operclass->name : soper->classname, "-1"); |
184 |
} |
185 |
break; |
186 |
|
187 |
case 'T': |
188 |
case 't': |
189 |
if (!has_priv_user (u, PRIV_SERVER_AUSPEX)) |
190 |
break; |
191 |
|
192 |
phandler->numeric_sts (me.name, 249, u->nick, "T :event %7d", system_state.event); |
193 |
phandler->numeric_sts (me.name, 249, u->nick, "T :node %7d", system_state.node); |
194 |
phandler->numeric_sts (me.name, 249, u->nick, "T :connection %7d", connection_t::count ()); |
195 |
phandler->numeric_sts (me.name, 249, u->nick, "T :operclass %7d", cnt.operclass); |
196 |
phandler->numeric_sts (me.name, 249, u->nick, "T :soper %7d", cnt.soper); |
197 |
phandler->numeric_sts (me.name, 249, u->nick, "T :tld %7d", cnt.tld); |
198 |
phandler->numeric_sts (me.name, 249, u->nick, "T :kline %7d", cnt.kline); |
199 |
phandler->numeric_sts (me.name, 249, u->nick, "T :server %7d", cnt.server); |
200 |
phandler->numeric_sts (me.name, 249, u->nick, "T :user %7d", cnt.user); |
201 |
phandler->numeric_sts (me.name, 249, u->nick, "T :chan %7d", cnt.chan); |
202 |
phandler->numeric_sts (me.name, 249, u->nick, "T :chanuser %7d", cnt.chanuser); |
203 |
phandler->numeric_sts (me.name, 249, u->nick, "T :myuser %7d", cnt.myuser); |
204 |
phandler->numeric_sts (me.name, 249, u->nick, "T :myuser_acc %7d", cnt.myuser_access); |
205 |
phandler->numeric_sts (me.name, 249, u->nick, "T :mynick %7d", cnt.mynick); |
206 |
phandler->numeric_sts (me.name, 249, u->nick, "T :mychan %7d", cnt.mychan); |
207 |
phandler->numeric_sts (me.name, 249, u->nick, "T :chanacs %7d", cnt.chanacs); |
208 |
|
209 |
phandler->numeric_sts (me.name, 249, u->nick, "T :bytes sent %7.2f%s", bytes (cnt.bout), sbytes (cnt.bout)); |
210 |
phandler->numeric_sts (me.name, 249, u->nick, "T :bytes recv %7.2f%s", bytes (cnt.bin), sbytes (cnt.bin)); |
211 |
break; |
212 |
|
213 |
case 'u': |
214 |
phandler->numeric_sts (me.name, 242, u->nick, ":Services Uptime: %s", timediff (NOW - me.start)); |
215 |
break; |
216 |
|
217 |
case 'V': |
218 |
case 'v': |
219 |
if (!has_priv_user (u, PRIV_SERVER_AUSPEX)) |
220 |
break; |
221 |
|
222 |
/* we received this command from the uplink, so, |
223 |
* hmm, it is not idle */ |
224 |
phandler->numeric_sts (me.name, 249, u->nick, "V :%s (AutoConn.!*@*) Idle: 0 SendQ: ? Connected: %s", curr_uplink->name, timediff (NOW - curr_uplink->conn->first_recv)); |
225 |
break; |
226 |
|
227 |
default: |
228 |
break; |
229 |
} |
230 |
|
231 |
phandler->numeric_sts (me.name, 219, u->nick, "%c :End of /STATS report", req); |
232 |
} |
233 |
|
234 |
void |
235 |
handle_whois (user_t *u, char *target) |
236 |
{ |
237 |
user_t *t = user_find_named (target); |
238 |
|
239 |
if (u == NULL) |
240 |
return; |
241 |
if (floodcheck (u, NULL)) |
242 |
return; |
243 |
|
244 |
if (t != NULL) |
245 |
{ |
246 |
phandler->numeric_sts (me.name, 311, u->nick, "%s %s %s * :%s", t->nick, t->user, t->vhost, t->gecos); |
247 |
/* channels purposely omitted */ |
248 |
phandler->numeric_sts (me.name, 312, u->nick, "%s %s :%s", t->nick, t->server->name, t->server->desc); |
249 |
if (t->flags & UF_AWAY) |
250 |
phandler->numeric_sts (me.name, 301, u->nick, "%s :Gone", t->nick); |
251 |
if (is_ircop (t)) |
252 |
phandler->numeric_sts (me.name, 313, u->nick, "%s :%s", t->nick, is_internal_client (t) ? "is a Network Service" : "is an IRC Operator"); |
253 |
if (t->myuser) |
254 |
phandler->numeric_sts (me.name, 330, u->nick, "%s %s :is logged in as", t->nick, t->myuser->name); |
255 |
} |
256 |
else |
257 |
phandler->numeric_sts (me.name, 401, u->nick, "%s :No such nick", target); |
258 |
phandler->numeric_sts (me.name, 318, u->nick, "%s :End of WHOIS", target); |
259 |
} |
260 |
|
261 |
static void |
262 |
single_trace (user_t *u, user_t *t) |
263 |
{ |
264 |
if (is_ircop (t)) |
265 |
phandler->numeric_sts (me.name, 204, u->nick, "Oper service %s[%s@%s] (255.255.255.255) 0 0", t->nick, t->user, t->vhost); |
266 |
else |
267 |
phandler->numeric_sts (me.name, 205, u->nick, "User service %s[%s@%s] (255.255.255.255) 0 0", t->nick, t->user, t->vhost); |
268 |
} |
269 |
|
270 |
/* target -> object to trace |
271 |
* dest -> server to execute command on |
272 |
*/ |
273 |
void |
274 |
handle_trace (user_t *u, char *target, char *dest) |
275 |
{ |
276 |
user_t *t; |
277 |
node_t *n; |
278 |
int nusers; |
279 |
|
280 |
if (u == NULL) |
281 |
return; |
282 |
if (floodcheck (u, NULL)) |
283 |
return; |
284 |
if (!match (target, me.name) || !irccasecmp (target, ME)) |
285 |
{ |
286 |
nusers = cnt.user; |
287 |
LIST_FOREACH (n, me.me->userlist.head) |
288 |
{ |
289 |
t = static_cast<user_t *> (n->data); |
290 |
single_trace (u, t); |
291 |
nusers--; |
292 |
} |
293 |
if (has_priv_user (u, PRIV_SERVER_AUSPEX)) |
294 |
phandler->numeric_sts (me.name, 206, u->nick, "Serv uplink %dS %dC %s *!*@%s 0", cnt.server - 1, nusers, me.actual, me.name); |
295 |
target = me.name; |
296 |
} |
297 |
else |
298 |
{ |
299 |
t = dest != NULL ? user_find_named (target) : user_find (target); |
300 |
if (t != NULL && t->server == me.me) |
301 |
{ |
302 |
single_trace (u, t); |
303 |
target = t->nick; |
304 |
} |
305 |
} |
306 |
phandler->numeric_sts (me.name, 262, u->nick, "%s :End of TRACE", target); |
307 |
} |
308 |
|
309 |
void |
310 |
handle_motd (user_t *u) |
311 |
{ |
312 |
FILE *f; |
313 |
char lbuf[BUFSIZE]; |
314 |
char nebuf[BUFSIZE]; |
315 |
char cebuf[BUFSIZE]; |
316 |
char ubuf[BUFSIZE]; |
317 |
char cbuf[BUFSIZE]; |
318 |
char nbuf[BUFSIZE]; |
319 |
|
320 |
if (u == NULL) |
321 |
return; |
322 |
if (floodcheck (u, NULL)) |
323 |
return; |
324 |
|
325 |
f = fopen (SYSCONFDIR "/" PACKAGE_NAME ".motd", "r"); |
326 |
if (!f) |
327 |
{ |
328 |
phandler->numeric_sts (me.name, 422, u->nick, ":The MOTD file is unavailable."); |
329 |
return; |
330 |
} |
331 |
|
332 |
snprintf (nebuf, BUFSIZE, "%" PRItime, nicksvs.expiry / 86400); |
333 |
snprintf (cebuf, BUFSIZE, "%" PRItime, chansvs.expiry / 86400); |
334 |
snprintf (ubuf, BUFSIZE, "%d", cnt.myuser); |
335 |
snprintf (nbuf, BUFSIZE, "%d", nicksvs.no_nick_ownership ? 0 : cnt.mynick); |
336 |
snprintf (cbuf, BUFSIZE, "%d", cnt.mychan); |
337 |
|
338 |
phandler->numeric_sts (me.name, 375, u->nick, ":- %s Message of the Day -", me.name); |
339 |
|
340 |
while (fgets (lbuf, BUFSIZE, f)) |
341 |
{ |
342 |
strip (lbuf); |
343 |
|
344 |
replace (lbuf, BUFSIZE, "&network&", me.netname); |
345 |
replace (lbuf, BUFSIZE, "&nickexpiry&", nebuf); |
346 |
replace (lbuf, BUFSIZE, "&chanexpiry&", cebuf); |
347 |
replace (lbuf, BUFSIZE, "&myusers&", ubuf); |
348 |
replace (lbuf, BUFSIZE, "&mynicks&", nbuf); |
349 |
replace (lbuf, BUFSIZE, "&mychans&", cbuf); |
350 |
|
351 |
phandler->numeric_sts (me.name, 372, u->nick, ":- %s", lbuf); |
352 |
} |
353 |
|
354 |
phandler->numeric_sts (me.name, 376, u->nick, ":End of the message of the day."); |
355 |
|
356 |
fclose (f); |
357 |
} |
358 |
|
359 |
void |
360 |
handle_away (user_t *u, char const * const message) |
361 |
{ |
362 |
if (message == NULL || *message == '\0') |
363 |
{ |
364 |
if (u->flags & UF_AWAY) |
365 |
{ |
366 |
u->flags &= ~UF_AWAY; |
367 |
u->callback.away (u); |
368 |
} |
369 |
} |
370 |
else |
371 |
{ |
372 |
if (!(u->flags & UF_AWAY)) |
373 |
{ |
374 |
u->flags |= UF_AWAY; |
375 |
u->callback.away (u); |
376 |
} |
377 |
} |
378 |
} |
379 |
|
380 |
void |
381 |
handle_message (sourceinfo_t *si, char *target, bool is_notice, char *message) |
382 |
{ |
383 |
char *vec[3]; |
384 |
|
385 |
/* message from server, ignore */ |
386 |
if (si->su == NULL) |
387 |
return; |
388 |
|
389 |
/* If target is a channel and fantasy commands are enabled, |
390 |
* this will return chanserv |
391 |
*/ |
392 |
si->service = find_service (target); |
393 |
|
394 |
if (*target == '#') |
395 |
{ |
396 |
/* Call hook here */ |
397 |
channel_t *c = channel_find (target); |
398 |
/* No such channel, ignore... */ |
399 |
if (c == NULL) |
400 |
return; |
401 |
c->callback.message (c, si->su, message); |
402 |
} |
403 |
|
404 |
if (si->service == NULL) |
405 |
{ |
406 |
if (!is_notice && (isalnum (target[0]) || strchr ("[\\]^_`{|}~", target[0]))) |
407 |
{ |
408 |
/* If it's not a notice and looks like a nick or |
409 |
* user@server, send back an error message */ |
410 |
if (strchr (target, '@') || !ircd->uses_uid || (!ircd->uses_p10 && !isdigit (target[0]))) |
411 |
phandler->numeric_sts (me.name, 401, si->su->nick, "%s :No such nick", target); |
412 |
else |
413 |
phandler->numeric_sts (me.name, 401, si->su->nick, "* :Target left IRC. Failed to deliver: [%.20s]", message); |
414 |
} |
415 |
return; |
416 |
} |
417 |
|
418 |
/* Run it through flood checks. Channel commands are checked |
419 |
* separately. |
420 |
*/ |
421 |
if (si->service->me != NULL && *target != '#' && floodcheck (si->su, si->service->me)) |
422 |
return; |
423 |
|
424 |
if (!is_notice && config_options.secure && *target != '#' && irccasecmp (target, si->service->disp)) |
425 |
{ |
426 |
notice (si->service->me->nick, si->su->nick, "For security reasons, \2/msg %s\2 has been disabled." |
427 |
" Use \2/%s%s <command>\2 to send a command.", |
428 |
si->service->me->nick, |
429 |
(ircd->uses_rcommand ? "" : "msg "), |
430 |
si->service->disp); |
431 |
return; |
432 |
} |
433 |
|
434 |
vec[0] = target; |
435 |
vec[1] = message; |
436 |
vec[2] = NULL; |
437 |
if (is_notice) |
438 |
si->service->notice_handler (si, 2, vec); |
439 |
else |
440 |
si->service->handler (si, 2, vec); |
441 |
} |
442 |
|
443 |
void |
444 |
handle_topic_from (sourceinfo_t *si, channel_t *c, char const * const setter, time_t ts, char const *topic) |
445 |
{ |
446 |
bool approved = false; |
447 |
if (topic != NULL && topic[0] == '\0') |
448 |
topic = NULL; |
449 |
|
450 |
if (topic != NULL ? c->topic == NULL || strcmp (topic, c->topic) : c->topic != NULL) |
451 |
/* Only call the hook if the topic actually changed */ |
452 |
approved = c->callback.can_change_topic (c, si->su, si->s, setter, ts, topic); |
453 |
|
454 |
if (approved) |
455 |
{ |
456 |
/* Allowed, process the change further */ |
457 |
handle_topic (c, setter, ts, topic); |
458 |
} |
459 |
else |
460 |
{ |
461 |
/* Not allowed, change it back */ |
462 |
if (c->topic != NULL) |
463 |
phandler->topic_sts (c, c->topic_setter, c->topicts, ts, c->topic); |
464 |
else |
465 |
/* Ick, there was no topic */ |
466 |
phandler->topic_sts (c, chansvs.nick != NULL ? chansvs.nick : me.name, ts - 1, ts, ""); |
467 |
} |
468 |
} |
469 |
|
470 |
void |
471 |
handle_topic (channel_t *c, char const * const setter, time_t ts, char const * const topic) |
472 |
{ |
473 |
char newsetter[HOSTLEN], *p; |
474 |
|
475 |
/* setter can be a nick, nick!user@host or server. |
476 |
* strip off !user@host part if it's there |
477 |
* (do we really want this?) */ |
478 |
strlcpy (newsetter, setter, sizeof newsetter); |
479 |
p = strchr (newsetter, '!'); |
480 |
if (p != NULL) |
481 |
*p = '\0'; |
482 |
/* drop identical topics from servers or chanserv, and ones with |
483 |
* identical topicts */ |
484 |
if (topic != NULL && c->topic != NULL && !strcmp (topic, c->topic) && (strchr (newsetter, '.') || (chansvs.nick && !irccasecmp (newsetter, chansvs.nick)) || ts == c->topicts)) |
485 |
return; |
486 |
if (c->topic != NULL) |
487 |
sfree (c->topic); |
488 |
if (c->topic_setter != NULL) |
489 |
sfree (c->topic_setter); |
490 |
if (topic != NULL && topic[0] != '\0') |
491 |
{ |
492 |
c->topic = sstrdup (topic); |
493 |
c->topic_setter = sstrdup (newsetter); |
494 |
} |
495 |
else |
496 |
c->topic = c->topic_setter = NULL; |
497 |
c->topicts = ts; |
498 |
|
499 |
c->callback.topic (c); |
500 |
} |
501 |
|
502 |
void |
503 |
handle_kill (sourceinfo_t *si, char *victim, char const *reason) |
504 |
{ |
505 |
char const * const source = get_oper_name (si); |
506 |
user_t *u; |
507 |
static time_t lastkill = 0; |
508 |
static unsigned int killcount = 0; |
509 |
|
510 |
u = user_find (victim); |
511 |
if (u == NULL) |
512 |
slog (LG_DEBUG, "handle_kill(): %s killed unknown user %s (%s)", source, victim, reason); |
513 |
else if (u->server == me.me) |
514 |
{ |
515 |
slog (LG_INFO, "handle_kill(): %s killed service %s (%s)", source, u->nick, reason); |
516 |
if (lastkill != NOW && killcount < 5 + me.me->users) |
517 |
killcount = 0, lastkill = NOW; |
518 |
killcount++; |
519 |
if (killcount < 5 + me.me->users) |
520 |
reintroduce_user (u); |
521 |
else |
522 |
{ |
523 |
slog (LG_ERROR, "handle_kill(): services kill fight (%s -> %s), shutting down", source, u->nick); |
524 |
wallops (_("Services kill fight (%s -> %s), shutting down!"), source, u->nick); |
525 |
snoop (_("ERROR: Services kill fight (%s -> %s), shutting down!"), source, u->nick); |
526 |
runflags |= RF_SHUTDOWN; |
527 |
} |
528 |
} |
529 |
else |
530 |
{ |
531 |
slog (LG_DEBUG, "handle_kill(): %s killed user %s (%s)", source, u->nick, reason); |
532 |
user_delete (u); |
533 |
} |
534 |
} |
535 |
|
536 |
server_t * |
537 |
handle_server (sourceinfo_t *si, char const * const name, char const * const sid, int hops, char const * const desc) |
538 |
{ |
539 |
server_t *s = NULL; |
540 |
|
541 |
if (si->s != NULL) |
542 |
{ |
543 |
/* A server introducing another server */ |
544 |
s = server_add (name, hops, si->s->name, sid, desc); |
545 |
} |
546 |
else if (cnt.server == 1) |
547 |
{ |
548 |
/* Our uplink introducing itself */ |
549 |
if (irccasecmp (name, curr_uplink->name)) |
550 |
slog (LG_ERROR, "handle_server(): uplink %s actually has name %s, continuing anyway", curr_uplink->name, name); |
551 |
s = server_add (name, hops, me.name, sid, desc); |
552 |
me.actual = s->name; |
553 |
me.recvsvr = true; |
554 |
} |
555 |
else |
556 |
slog (LG_ERROR, "handle_server(): unregistered/unknown server attempting to introduce another server %s", name); |
557 |
return s; |
558 |
} |
559 |
|
560 |
void |
561 |
handle_eob (server_t *s) |
562 |
{ |
563 |
node_t *n; |
564 |
server_t *s2; |
565 |
|
566 |
if (s == NULL) |
567 |
return; |
568 |
if (s->flags & SF_EOB) |
569 |
return; |
570 |
slog (LG_NETWORK, "handle_eob(): end of burst from %s (%d users)", s->name, s->users); |
571 |
s->callback.eob (s); |
572 |
s->flags |= SF_EOB; |
573 |
/* convert P10 style EOB to ircnet/ratbox style */ |
574 |
LIST_FOREACH (n, s->children.head) |
575 |
{ |
576 |
s2 = static_cast<server_t *> (n->data); |
577 |
if (s2->flags & SF_EOB2) |
578 |
handle_eob (s2); |
579 |
} |
580 |
/* Reseed RNG now we have a little more data to seed with */ |
581 |
if (s->uplink == me.me) |
582 |
init_gen_rand (gen_rand32 () ^ ((NOW << 20) + cnt.user + (cnt.chanuser << 12)) ^ (cnt.chan << 17) ^ ~cnt.bin); |
583 |
} |
584 |
|
585 |
/* Received a message from a user, check if they are flooding |
586 |
* Returns true if the message should be ignored. |
587 |
* u - user sending the message |
588 |
* t - target of the message (to be used in warning the user, may be NULL |
589 |
* to use the server name) |
590 |
*/ |
591 |
int |
592 |
floodcheck (user_t *u, user_t *t) |
593 |
{ |
594 |
char *from; |
595 |
static time_t last_ignore_notice = 0; |
596 |
|
597 |
if (t == NULL) |
598 |
from = me.name; |
599 |
else if (t->server == me.me) |
600 |
from = t->nick; |
601 |
else |
602 |
{ |
603 |
slog (LG_ERROR, "BUG: tried to floodcheck message to non-service %s", t->nick); |
604 |
return 0; |
605 |
} |
606 |
|
607 |
/* Check if we match a services ignore */ |
608 |
if (svsignore_find(u)) |
609 |
{ |
610 |
if (u->msgs == 0 && last_ignore_notice != NOW) |
611 |
{ |
612 |
/* tell them once per session, don't flood */ |
613 |
u->msgs = 1; |
614 |
last_ignore_notice = NOW; |
615 |
notice (from, u->nick, _("You are on services ignore. You may not use any service.")); |
616 |
} |
617 |
return 1; |
618 |
} |
619 |
|
620 |
if (config_options.flood_msgs) |
621 |
{ |
622 |
/* check if they're being ignored */ |
623 |
if (u->offenses > 10) |
624 |
{ |
625 |
if ((NOW - u->lastmsg) > 30) |
626 |
{ |
627 |
u->offenses -= 10; |
628 |
u->lastmsg = NOW; |
629 |
u->msgs = 0; |
630 |
} |
631 |
else |
632 |
return 1; |
633 |
} |
634 |
|
635 |
if ((NOW - u->lastmsg) > config_options.flood_time) |
636 |
{ |
637 |
u->lastmsg = NOW; |
638 |
u->msgs = 0; |
639 |
} |
640 |
|
641 |
u->msgs++; |
642 |
|
643 |
if (u->msgs > config_options.flood_msgs) |
644 |
{ |
645 |
/* they're flooding. */ |
646 |
/* perhaps allowed to? -- jilles */ |
647 |
if (has_priv_user (u, PRIV_FLOOD)) |
648 |
{ |
649 |
u->msgs = 0; |
650 |
return 0; |
651 |
} |
652 |
if (!u->offenses) |
653 |
{ |
654 |
/* ignore them the first time */ |
655 |
u->lastmsg = NOW; |
656 |
u->msgs = 0; |
657 |
u->offenses = 11; |
658 |
|
659 |
/* ok to use nick here, notice() will |
660 |
* change it to UID if necessary -- jilles */ |
661 |
notice (from, u->nick, "You have triggered services flood protection."); |
662 |
notice (from, u->nick, "This is your first offense. You will be ignored for 30 seconds."); |
663 |
|
664 |
snoop ("FLOOD: \2%s\2", u->nick); |
665 |
|
666 |
return 1; |
667 |
} |
668 |
|
669 |
if (u->offenses == 1) |
670 |
{ |
671 |
/* ignore them the second time */ |
672 |
u->lastmsg = NOW; |
673 |
u->msgs = 0; |
674 |
u->offenses = 12; |
675 |
|
676 |
notice (from, u->nick, "You have triggered services flood protection."); |
677 |
notice (from, u->nick, "This is your last warning. You will be ignored for 30 seconds."); |
678 |
|
679 |
snoop ("FLOOD: \2%s\2", u->nick); |
680 |
|
681 |
return 1; |
682 |
} |
683 |
|
684 |
if (u->offenses == 2) |
685 |
{ |
686 |
kline_t *k; |
687 |
|
688 |
/* kline them the third time */ |
689 |
k = kline_add ("*", u->host, "ten minute ban: flooding services", 600); |
690 |
k->setby = sstrdup (chansvs.nick); |
691 |
|
692 |
snoop ("FLOOD:KLINE: \2%s\2", u->nick); |
693 |
|
694 |
return 1; |
695 |
} |
696 |
} |
697 |
} |
698 |
|
699 |
return 0; |
700 |
} |
701 |
|
702 |
bool |
703 |
should_reg_umode (user_t *u) |
704 |
{ |
705 |
mynick_t *mn; |
706 |
|
707 |
if (nicksvs.me == NULL || nicksvs.no_nick_ownership || u->myuser == NULL || u->myuser->flags & MU_WAITAUTH) |
708 |
return false; |
709 |
mn = mynick_find (u->nick); |
710 |
return mn != NULL && mn->owner == u->myuser; |
711 |
} |