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[irc/evilnet/x3.git] / src / proto-p10.c
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d76ed9a9
AS		 1/* proto-p10.c - IRC protocol output
2 * Copyright 2000-2004 srvx Development Team
3 *
4 * This file is part of srvx.
5 *
6 * srvx is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with srvx; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
19 */
20
21#include "proto-common.c"
22
23/* Full commands. */
24#define CMD_ACCOUNT "ACCOUNT"
25#define CMD_ADMIN "ADMIN"
26#define CMD_ASLL "ASLL"
27#define CMD_AWAY "AWAY"
28#define CMD_BURST "BURST"
29#define CMD_CLEARMODE "CLEARMODE"
30#define CMD_CLOSE "CLOSE"
31#define CMD_CNOTICE "CNOTICE"
32#define CMD_CONNECT "CONNECT"
33#define CMD_CPRIVMSG "CPRIVMSG"
34#define CMD_CREATE "CREATE"
35#define CMD_DESTRUCT "DESTRUCT"
36#define CMD_DESYNCH "DESYNCH"
37#define CMD_DIE "DIE"
38#define CMD_DNS "DNS"
39#define CMD_EOB "END_OF_BURST"
40#define CMD_EOB_ACK "EOB_ACK"
41#define CMD_ERROR "ERROR"
42#define CMD_FAKEHOST "FAKE"
43#define CMD_GET "GET"
44#define CMD_GLINE "GLINE"
45#define CMD_HASH "HASH"
46#define CMD_HELP "HELP"
47#define CMD_INFO "INFO"
48#define CMD_INVITE "INVITE"
49#define CMD_ISON "ISON"
50#define CMD_JOIN "JOIN"
51#define CMD_JUPE "JUPE"
52#define CMD_KICK "KICK"
53#define CMD_KILL "KILL"
54#define CMD_LINKS "LINKS"
55#define CMD_LIST "LIST"
56#define CMD_LUSERS "LUSERS"
57#define CMD_MAP "MAP"
58#define CMD_MODE "MODE"
59#define CMD_MOTD "MOTD"
60#define CMD_NAMES "NAMES"
61#define CMD_NICK "NICK"
62#define CMD_NOTICE "NOTICE"
63#define CMD_OPER "OPER"
64#define CMD_OPMODE "OPMODE"
65#define CMD_PART "PART"
66#define CMD_PASS "PASS"
67#define CMD_PING "PING"
68#define CMD_PONG "PONG"
69#define CMD_POST "POST"
70#define CMD_PRIVMSG "PRIVMSG"
71#define CMD_PRIVS "PRIVS"
72#define CMD_PROTO "PROTO"
73#define CMD_QUIT "QUIT"
74#define CMD_REHASH "REHASH"
75#define CMD_RESET "RESET"
76#define CMD_RESTART "RESTART"
77#define CMD_RPING "RPING"
78#define CMD_RPONG "RPONG"
79#define CMD_SERVER "SERVER"
80#define CMD_SERVLIST "SERVLIST"
81#define CMD_SERVSET "SERVSET"
82#define CMD_SET "SET"
83#define CMD_SETTIME "SETTIME"
84#define CMD_SILENCE "SILENCE"
85#define CMD_SQUERY "SQUERY"
86#define CMD_SQUIT "SQUIT"
87#define CMD_STATS "STATS"
88#define CMD_SVSNICK "SVSNICK"
89#define CMD_TIME "TIME"
90#define CMD_TOPIC "TOPIC"
91#define CMD_TRACE "TRACE"
92#define CMD_UPING "UPING"
93#define CMD_USER "USER"
94#define CMD_USERHOST "USERHOST"
95#define CMD_USERIP "USERIP"
96#define CMD_VERSION "VERSION"
97#define CMD_WALLCHOPS "WALLCHOPS"
98#define CMD_WALLOPS "WALLOPS"
55342ce8 99#define CMD_WALLHOPS "WALLHOPS"
d76ed9a9
AS		 100#define CMD_WALLUSERS "WALLUSERS"
101#define CMD_WALLVOICES "WALLVOICES"
55342ce8 102#define CMD_WALLHOPS "WALLHOPS"
d76ed9a9
AS		 103#define CMD_WHO "WHO"
104#define CMD_WHOIS "WHOIS"
105#define CMD_WHOWAS "WHOWAS"
106
107/* Tokenized commands. */
108#define TOK_ACCOUNT "AC"
109#define TOK_ADMIN "AD"
110#define TOK_ASLL "LL"
111#define TOK_AWAY "A"
112#define TOK_BURST "B"
113#define TOK_CLEARMODE "CM"
114#define TOK_CLOSE "CLOSE"
115#define TOK_CNOTICE "CN"
116#define TOK_CONNECT "CO"
117#define TOK_CPRIVMSG "CP"
118#define TOK_CREATE "C"
119#define TOK_DESTRUCT "DE"
120#define TOK_DESYNCH "DS"
121#define TOK_DIE "DIE"
122#define TOK_DNS "DNS"
123#define TOK_EOB "EB"
124#define TOK_EOB_ACK "EA"
125#define TOK_ERROR "Y"
126#define TOK_FAKEHOST "FA"
127#define TOK_GET "GET"
128#define TOK_GLINE "GL"
129#define TOK_HASH "HASH"
130#define TOK_HELP "HELP"
131#define TOK_INFO "F"
132#define TOK_INVITE "I"
133#define TOK_ISON "ISON"
134#define TOK_JOIN "J"
135#define TOK_JUPE "JU"
136#define TOK_KICK "K"
137#define TOK_KILL "D"
138#define TOK_LINKS "LI"
139#define TOK_LIST "LIST"
140#define TOK_LUSERS "LU"
141#define TOK_MAP "MAP"
142#define TOK_MODE "M"
143#define TOK_MOTD "MO"
144#define TOK_NAMES "E"
145#define TOK_NICK "N"
146#define TOK_NOTICE "O"
147#define TOK_OPER "OPER"
148#define TOK_OPMODE "OM"
149#define TOK_PART "L"
150#define TOK_PASS "PA"
151#define TOK_PING "G"
152#define TOK_PONG "Z"
153#define TOK_POST "POST"
154#define TOK_PRIVMSG "P"
155#define TOK_PRIVS "PRIVS"
156#define TOK_PROTO "PROTO"
157#define TOK_QUIT "Q"
158#define TOK_REHASH "REHASH"
159#define TOK_RESET "RESET"
160#define TOK_RESTART "RESTART"
161#define TOK_RPING "RI"
162#define TOK_RPONG "RO"
163#define TOK_SERVER "S"
164#define TOK_SERVLIST "SERVSET"
165#define TOK_SERVSET "SERVSET"
166#define TOK_SET "SET"
167#define TOK_SETTIME "SE"
168#define TOK_SILENCE "U"
169#define TOK_SQUERY "SQUERY"
170#define TOK_SQUIT "SQ"
171#define TOK_STATS "R"
172#define TOK_SVSNICK "SN"
173#define TOK_TIME "TI"
174#define TOK_TOPIC "T"
175#define TOK_TRACE "TR"
176#define TOK_UPING "UP"
177#define TOK_USER "USER"
178#define TOK_USERHOST "USERHOST"
179#define TOK_USERIP "USERIP"
180#define TOK_VERSION "V"
181#define TOK_WALLCHOPS "WC"
182#define TOK_WALLOPS "WA"
55342ce8 183#define TOK_WALLHOPS "WH"
d76ed9a9
AS		 184#define TOK_WALLUSERS "WU"
185#define TOK_WALLVOICES "WV"
55342ce8 186#define TOK_WALLHOPS "WH"
d76ed9a9
AS		 187#define TOK_WHO "H"
188#define TOK_WHOIS "W"
189#define TOK_WHOWAS "X"
190
191/* Protocol messages; aliased to full commands or tokens depending
192 on compile-time configuration. ircu prefers tokens WITH THE
193 EXCEPTION OF THE SERVER AND PASS COMMANDS, which cannot be
194 tokenized, because clients' (ie. a linking server) commands are
195 only checked against the full command list.
196*/
197#if defined(ENABLE_TOKENS)
198#define TYPE(NAME) TOK_ ## NAME
199#else /* !ENABLE_TOKENS */
200#define TYPE(NAME) CMD_ ## NAME
201#endif /* ENABLE_TOKENS */
202
203#define P10_ACCOUNT TYPE(ACCOUNT)
204#define P10_ADMIN TYPE(ADMIN)
205#define P10_ASLL TYPE(ASLL)
206#define P10_AWAY TYPE(AWAY)
207#define P10_BURST TYPE(BURST)
208#define P10_CLEARMODE TYPE(CLEARMODE)
209#define P10_CLOSE TYPE(CLOSE)
210#define P10_CNOTICE TYPE(CNOTICE)
211#define P10_CONNECT TYPE(CONNECT)
212#define P10_CPRIVMSG TYPE(CPRIVMSG)
213#define P10_CREATE TYPE(CREATE)
214#define P10_DESTRUCT TYPE(DESTRUCT)
215#define P10_DESYNCH TYPE(DESYNCH)
216#define P10_DIE TYPE(DIE)
217#define P10_DNS TYPE(DNS)
218#define P10_EOB TYPE(EOB)
219#define P10_EOB_ACK TYPE(EOB_ACK)
220#define P10_ERROR TYPE(ERROR)
221#define P10_FAKEHOST TYPE(FAKEHOST)
222#define P10_GET TYPE(GET)
223#define P10_GLINE TYPE(GLINE)
224#define P10_HASH TYPE(HASH)
225#define P10_HELP TYPE(HELP)
226#define P10_INFO TYPE(INFO)
227#define P10_INVITE TYPE(INVITE)
228#define P10_ISON TYPE(ISON)
229#define P10_JOIN TYPE(JOIN)
230#define P10_JUPE TYPE(JUPE)
231#define P10_KICK TYPE(KICK)
232#define P10_KILL TYPE(KILL)
233#define P10_LINKS TYPE(LINKS)
234#define P10_LIST TYPE(LIST)
235#define P10_LUSERS TYPE(LUSERS)
236#define P10_MAP TYPE(MAP)
237#define P10_MODE TYPE(MODE)
238#define P10_MOTD TYPE(MOTD)
239#define P10_NAMES TYPE(NAMES)
240#define P10_NICK TYPE(NICK)
241#define P10_NOTICE TYPE(NOTICE)
242#define P10_OPER TYPE(OPER)
243#define P10_OPMODE TYPE(OPMODE)
244#define P10_PART TYPE(PART)
245#define P10_PASS CMD_PASS
246#define P10_PING TYPE(PING)
247#define P10_PONG TYPE(PONG)
248#define P10_POST TYPE(POST)
249#define P10_PRIVMSG TYPE(PRIVMSG)
250#define P10_PRIVS TYPE(PRIVS)
251#define P10_PROTO TYPE(PROTO)
252#define P10_QUIT TYPE(QUIT)
253#define P10_REHASH TYPE(REHASH)
254#define P10_RESET TYPE(RESET)
255#define P10_RESTART TYPE(RESTART)
256#define P10_RPING TYPE(RPING)
257#define P10_RPONG TYPE(RPONG)
258#define P10_SERVER CMD_SERVER
259#define P10_SERVLIST TYPE(SERVLIST)
260#define P10_SERVSET TYPE(SERVSET)
261#define P10_SET TYPE(SET)
262#define P10_SETTIME TYPE(SETTIME)
263#define P10_SILENCE TYPE(SILENCE)
264#define P10_SQUERY TYPE(SQUERY)
265#define P10_SQUIT TYPE(SQUIT)
266#define P10_STATS TYPE(STATS)
267#define P10_SVSNICK TYPE(SVSNICK)
268#define P10_TIME TYPE(TIME)
269#define P10_TOPIC TYPE(TOPIC)
270#define P10_TRACE TYPE(TRACE)
271#define P10_UPING TYPE(UPING)
272#define P10_USER TYPE(USER)
273#define P10_USERHOST TYPE(USERHOST)
274#define P10_USERIP TYPE(USERIP)
275#define P10_VERSION TYPE(VERSION)
276#define P10_WALLCHOPS TYPE(WALLCHOPS)
277#define P10_WALLOPS TYPE(WALLOPS)
55342ce8 278#define P10_WALLHOPS TYPE(WALLHOPS)
d76ed9a9
AS		 279#define P10_WALLUSERS TYPE(WALLUSERS)
280#define P10_WALLVOICES TYPE(WALLVOICES)
281#define P10_WHO TYPE(WHO)
282#define P10_WHOIS TYPE(WHOIS)
283#define P10_WHOWAS TYPE(WHOWAS)
284
285/* Servers claiming to have a boot or link time before PREHISTORY
286 * trigger errors to the log. We hope no server has been running
287 * constantly since September 1994. :)
288 */
289#define PREHISTORY 780000000
290
291static struct server *servers_num[64*64];
292static privmsg_func_t *privmsg_funcs;
293static unsigned int num_privmsg_funcs;
294static privmsg_func_t *notice_funcs;
295static unsigned int num_notice_funcs;
296static struct dict *unbursted_channels;
297static char *his_servername;
298static char *his_servercomment;
299
300static struct userNode *AddUser(struct server* uplink, const char *nick, const char *ident, const char *hostname, const char *modes, const char *numeric, const char *userinfo, time_t timestamp, const char *realip);
301
302extern int off_channel;
303
304/* Numerics can be XYY, XYYY, or XXYYY; with X's identifying the
305 * server and Y's indentifying the client on that server. */
306struct server*
307GetServerN(const char *numeric)
308{
309 switch (strlen(numeric)) {
310 default:
311 return servers_num[base64toint(numeric, 2)];
312 case 4:
313 case 3:
314 case 1:
315 return servers_num[base64toint(numeric, 1)];
316 case 0:
317 return NULL;
318 }
319}
320
321struct userNode*
322GetUserN(const char *numeric) /* using numeric */
323{
324 struct userNode *un;
325 struct server *s;
326 int n, slen, ulen;
327
328 switch (strlen(numeric)) {
329 default:
330 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): numeric too long!", numeric);
331 return NULL;
332 case 5: slen = 2; ulen = 3; break;
333 case 4: slen = 1; ulen = 3; break;
334 case 3: slen = 1; ulen = 2; break;
335 case 2: case 1: case 0:
336 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): numeric too short!", numeric);
337 return NULL;
338 }
339 if (!(s = servers_num[base64toint(numeric, slen)])) {
340 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): couldn't find server (len=%d)!", numeric, slen);
341 return NULL;
342 }
343 n = base64toint(numeric+slen, ulen) & s->num_mask;
344 if (!(un = s->users[n])) {
345 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s) couldn't find user!", numeric);
346 }
347 return un;
348}
349
350static void
351privmsg_user_helper(struct userNode *un, void *data)
352{
353 struct privmsg_desc *pd = data;
354 unsigned int num = un->num_local;
355 if (!pd->is_notice) {
356 if ((num < num_privmsg_funcs) && privmsg_funcs[num]) {
357 privmsg_funcs[num](pd->user, un, pd->text, pd->is_qualified);
358 }
359 } else {
360 if ((num < num_notice_funcs) && notice_funcs[num]) {
361 notice_funcs[num](pd->user, un, pd->text, pd->is_qualified);
362 }
363 }
364}
365
366void
367irc_server(struct server *srv)
368{
369 char extranum[COMBO_NUMERIC_LEN+1];
370
371 inttobase64(extranum, srv->num_mask, (srv->numeric[1] || (srv->num_mask >= 64*64)) ? 3 : 2);
372 if (srv == self) {
373 /* The +s, ignored by Run's ircu, means "service" to Undernet's ircu */
374 putsock(P10_SERVER " %s %d %li %li J10 %s%s +s :%s",
375 srv->name, srv->hops+1, srv->boot, srv->link, srv->numeric, extranum, srv->description);
376 } else {
377 putsock("%s " P10_SERVER " %s %d %li %li %c10 %s%s +s :%s",
378 self->numeric, srv->name, srv->hops+1, srv->boot, srv->link, (srv->self_burst ? 'J' : 'P'), srv->numeric, extranum, srv->description);
379 }
380}
381
382void
383irc_user(struct userNode *user)
384{
385 char b64ip[7];
386 if (!user)
387 return;
388 inttobase64(b64ip, ntohl(user->ip.s_addr), 6);
389 if (user->modes) {
390 int modelen;
391 char modes[32];
392
393 modelen = 0;
394 if (IsOper(user))
395 modes[modelen++] = 'o';
396 if (IsInvisible(user))
397 modes[modelen++] = 'i';
398 if (IsWallOp(user))
399 modes[modelen++] = 'w';
400 if (IsService(user))
401 modes[modelen++] = 'k';
402 if (IsServNotice(user))
403 modes[modelen++] = 's';
404 if (IsDeaf(user))
405 modes[modelen++] = 'd';
406 if (IsGlobal(user))
407 modes[modelen++] = 'g';
182dd032
AS		 408 // sethost - reed/apples
409 // if (IsHelperIrcu(user))
410 if (IsSetHost(user))
d76ed9a9 411 modes[modelen++] = 'h';
182dd032
AS		 412 if (IsFakeHost(user))
413 modes[modelen++] = 'f';
d76ed9a9
AS		 414 if (IsHiddenHost(user))
415 modes[modelen++] = 'x';
416 modes[modelen] = 0;
417
418 /* we don't need to put the + in modes because it's in the format string. */
419 putsock("%s " P10_NICK " %s %d %li %s %s +%s %s %s :%s",
420 user->uplink->numeric, user->nick, user->uplink->hops+1, user->timestamp, user->ident, user->hostname, modes, b64ip, user->numeric, user->info);
421 } else {
422 putsock("%s " P10_NICK " %s %d %li %s %s %s %s :%s",
423 user->uplink->numeric, user->nick, user->uplink->hops+1, user->timestamp, user->ident, user->hostname, b64ip, user->numeric, user->info);
424 }
425}
426
427void
428irc_account(struct userNode *user, const char *stamp)
429{
430 putsock("%s " P10_ACCOUNT " %s %s", self->numeric, user->numeric, stamp);
431}
432
433void
434irc_fakehost(struct userNode *user, const char *host)
435{
436 putsock("%s " P10_FAKEHOST " %s %s", self->numeric, user->numeric, host);
437}
438
439void
440irc_regnick(UNUSED_ARG(struct userNode *user))
441{
442 /* no operation here */
443}
444
445void
446irc_nick(struct userNode *user, UNUSED_ARG(const char *old_nick))
447{
448 putsock("%s " P10_NICK " %s "FMT_TIME_T, user->numeric, user->nick, now);
449}
450
451void
452irc_fetchtopic(struct userNode *from, const char *to)
453{
454 if (!from || !to)
455 return;
456 putsock("%s " P10_TOPIC " %s", from->numeric, to);
457}
458
459void
460irc_squit(struct server *srv, const char *message, const char *service_message)
461{
462 if (!service_message)
463 service_message = message;
464
465 /* Are we leaving the network? */
466 if (srv == self && cManager.uplink->state == CONNECTED) {
467 unsigned int i;
468
469 /* Quit all clients linked to me. */
470 for (i = 0; i <= self->num_mask; i++) {
471 if (!self->users[i])
472 continue;
473 irc_quit(self->users[i], service_message);
474 }
475 }
476
477 putsock("%s " P10_SQUIT " %s %d :%s", self->numeric, srv->name, 0, message);
478
479 if (srv == self) {
480 /* Force a reconnect to the currently selected server. */
481 cManager.uplink->tries = 0;
482 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", message);
483 close_socket();
484 }
485}
486
487void
488irc_wallchops(struct userNode *from, const char *to, const char *message)
489{
490 putsock("%s " P10_WALLCHOPS " %s :%s", from->numeric, to, message);
491}
492
493void
494irc_notice(struct userNode *from, const char *to, const char *message)
495{
496 putsock("%s " P10_NOTICE " %s :%s", from->numeric, to, message);
497}
498
499void
500irc_notice_user(struct userNode *from, struct userNode *to, const char *message)
501{
502 putsock("%s " P10_NOTICE " %s :%s", from->numeric, to->numeric, message);
503}
504
505void
506irc_privmsg(struct userNode *from, const char *to, const char *message)
507{
508 putsock("%s " P10_PRIVMSG " %s :%s", from->numeric, to, message);
509}
510
511void
512irc_eob(void)
513{
514 putsock("%s " P10_EOB, self->numeric);
515}
516
517void
518irc_eob_ack(void)
519{
520 putsock("%s " P10_EOB_ACK, self->numeric);
521}
522
523void
524irc_ping(const char *payload)
525{
526 putsock("%s " P10_PING " :%s", self->numeric, payload);
527}
528
529void
530irc_pong(const char *who, const char *data)
531{
532 putsock("%s " P10_PONG " %s :%s", self->numeric, who, data);
533}
534
535void
536irc_pass(const char *passwd)
537{
538 putsock(P10_PASS " :%s", passwd);
539}
540
541void
542irc_introduce(const char *passwd)
543{
544 void timed_send_ping(void *data);
545
546 self->self_burst = self->burst = 1;
547 irc_pass(passwd);
548 irc_server(self);
549 burst_length = 0;
550 timeq_add(now + ping_freq, timed_send_ping, 0);
551}
552
553void
554irc_gline(struct server *srv, struct gline *gline)
555{
d0cb2fb6
AS		 556 putsock("%s " P10_GLINE " %s +%s %ld :<%s> %s",
557 self->numeric, (srv ? srv->numeric : "*"), gline->target, gline->expires-now, gline->issuer, gline->reason);
d76ed9a9
AS		 558}
559
560void
561irc_settime(const char *srv_name_mask, time_t new_time)
562{
563 ioset_set_time(new_time);
564 if (!strcmp(srv_name_mask, "*"))
565 srv_name_mask = "";
566 putsock("%s " P10_SETTIME " " FMT_TIME_T " %s", self->numeric, new_time, srv_name_mask);
567}
568
569void
570irc_ungline(const char *mask)
571{
572 putsock("%s " P10_GLINE " * -%s", self->numeric, mask);
573}
574
575static void
576irc_burst(struct chanNode *chan)
577{
578 char burst_line[512];
579 int pos, base_len, len;
580 struct modeNode *mn;
581 struct banNode *bn;
2aef5f4b 582 struct exemptNode *en;
d76ed9a9
AS		 583 long last_mode=-1;
584 unsigned int n;
585
586 base_len = sprintf(burst_line, "%s " P10_BURST " %s " FMT_TIME_T " ",
587 self->numeric, chan->name, chan->timestamp);
588 len = irc_make_chanmode(chan, burst_line+base_len);
589 pos = base_len + len;
590 if (len)
591 burst_line[pos++] = ' ';
592
593 /* dump the users */
594 for (n=0; n<chan->members.used; n++) {
595 mn = chan->members.list[n];
596 if (pos > 500) {
597 burst_line[pos-1] = 0; /* -1 to back up over the space or comma */
598 putsock("%s", burst_line);
599 pos = base_len;
600 last_mode = -1;
601 }
602 memcpy(burst_line+pos, mn->user->numeric, strlen(mn->user->numeric));
603 pos += strlen(mn->user->numeric);
604 if (mn->modes && (mn->modes != last_mode)) {
605 last_mode = mn->modes;
606 burst_line[pos++] = ':';
607 if (last_mode & MODE_CHANOP)
608 burst_line[pos++] = 'o';
55342ce8 609 if (last_mode & MODE_HALFOP)
610 burst_line[pos++] = 'h';
d76ed9a9
AS		 611 if (last_mode & MODE_VOICE)
612 burst_line[pos++] = 'v';
613 }
614 if ((n+1)<chan->members.used)
615 burst_line[pos++] = ',';
616 }
617 if (chan->banlist.used) {
618 /* dump the bans */
619 if (pos+2+strlen(chan->banlist.list[0]->ban) > 505) {
620 burst_line[pos-1] = 0;
621 putsock("%s", burst_line);
622 pos = base_len;
623 } else {
624 burst_line[pos++] = ' ';
625 }
626
627 burst_line[pos++] = ':';
628 burst_line[pos++] = '%';
629 base_len = pos;
630 for (n=0; n<chan->banlist.used; n++) {
631 bn = chan->banlist.list[n];
632 len = strlen(bn->ban);
633 if (pos+len+1 > 510) {
634 burst_line[pos-1] = 0; /* -1 to back up over the space or comma */
635 putsock("%s", burst_line);
636 pos = base_len;
637 }
638 memcpy(burst_line+pos, bn->ban, len);
639 pos += len;
640 burst_line[pos++] = ' ';
641 }
642 }
2aef5f4b 643 if (chan->exemptlist.used) {
644 /* dump the exempt */
645 if (pos+2+strlen(chan->exemptlist.list[0]->exempt) > 505) {
646 burst_line[pos-1] = 0;
647 putsock("%s", burst_line);
648 pos = base_len;
649 } else {
650 burst_line[pos++] = ' ';
651 }
652
653 burst_line[pos++] = ' ';
654 burst_line[pos++] = '~';
655 burst_line[pos++] = ' ';
656 base_len = pos;
657 for (n=0; n<chan->exemptlist.used; n++) {
658 en = chan->exemptlist.list[n];
659 len = strlen(en->exempt);
660 if (pos+len+1 > 510) {
661 burst_line[pos-1] = 0; /* -1 to back up over the space or comma */
662 putsock("%s", burst_line);
663 pos = base_len;
664 }
665 memcpy(burst_line+pos, en->exempt, len);
666 pos += len;
667 burst_line[pos++] = ' ';
668 }
669 }
d76ed9a9
AS		 670 /* print the last line */
671 burst_line[pos] = 0;
672 putsock("%s", burst_line);
673}
674
675void
676irc_quit(struct userNode *user, const char *message)
677{
678 putsock("%s " P10_QUIT " :%s", user->numeric, message);
679}
680
681void
682irc_error(const char *to, const char *message)
683{
684 if (to) {
685 putsock("%s " P10_ERROR " :%s", to, message);
686 } else {
687 putsock(":%s " P10_ERROR " :%s", self->name, message);
688 }
689}
690
691void
692irc_kill(struct userNode *from, struct userNode *target, const char *message)
693{
694 if (from) {
695 putsock("%s " P10_KILL " %s :%s!%s (%s)",
696 from->numeric, target->numeric, self->name, from->nick, message);
697 } else {
698 putsock("%s " P10_KILL " %s :%s (%s)",
699 self->numeric, target->numeric, self->name, message);
700 }
701}
702
703void
704irc_mode(struct userNode *from, struct chanNode *target, const char *modes)
705{
706 putsock("%s " P10_MODE " %s %s "FMT_TIME_T,
707 (from ? from->numeric : self->numeric),
708 target->name, modes, target->timestamp);
709}
710
711void
712irc_invite(struct userNode *from, struct userNode *who, struct chanNode *to)
713{
714 putsock("%s " P10_INVITE " %s %s", from->numeric, who->nick, to->name);
715}
716
717void
718irc_join(struct userNode *who, struct chanNode *what)
719{
720 if (what->members.used == 1) {
721 putsock("%s " P10_CREATE " %s %lu",
722 who->numeric, what->name, what->timestamp);
723 } else {
724 putsock("%s " P10_JOIN " %s %lu", who->numeric, what->name, what->timestamp);
725 }
726}
727
728void
729irc_kick(struct userNode *who, struct userNode *target, struct chanNode *channel, const char *msg)
730{
731 const char *numeric;
732 struct modeNode *mn = GetUserMode(channel, who);
733 numeric = ((mn && (mn->modes & MODE_CHANOP)) || off_channel) ? who->numeric : self->numeric;
734 putsock("%s " P10_KICK " %s %s :%s",
735 numeric, channel->name, target->numeric, msg);
736}
737
738void
739irc_stats(struct userNode *from, struct server *target, char type)
740{
741 putsock("%s " P10_STATS " %c :%s", from->numeric, type, target->numeric);
742}
743
744void
745irc_svsnick(struct userNode *from, struct userNode *target, const char *newnick)
746{
747 putsock("%s " P10_SVSNICK " %s %s "FMT_TIME_T, from->uplink->numeric, target->numeric, newnick, now);
748}
749
750void
751irc_part(struct userNode *who, struct chanNode *what, const char *reason)
752{
753 if (reason) {
754 putsock("%s " P10_PART " %s :%s", who->numeric, what->name, reason);
755 } else {
756 putsock("%s " P10_PART " %s", who->numeric, what->name);
757 }
758}
759
760void
761irc_topic(struct userNode *who, struct chanNode *what, const char *topic)
762{
763 putsock("%s " P10_TOPIC " %s :%s", who->numeric, what->name, topic);
764}
765
766void
767irc_raw(const char *what)
768{
769 putsock("%s", what);
770}
771
772void
773irc_numeric(struct userNode *user, unsigned int num, const char *format, ...)
774{
775 va_list arg_list;
776 char buffer[MAXLEN];
777 va_start(arg_list, format);
778 vsnprintf(buffer, MAXLEN-2, format, arg_list);
779 buffer[MAXLEN-1] = 0;
780 putsock(":%s %03d %s %s", self->name, num, user->nick, buffer);
781}
782
783static void send_burst(void);
784
785static void
786change_nicklen(int new_nicklen)
787{
788 unsigned int nn;
789 char new_nick[NICKLEN+1];
790 struct userNode *user;
791
792 nicklen = new_nicklen;
793 /* fix up any users we have here */
794 for (nn=0; nn<=self->num_mask; nn++) {
795 if (!(user = self->users[nn]))
796 continue;
797 safestrncpy(new_nick, user->nick, sizeof(new_nick));
798 new_nick[nicklen] = 0;
799 NickChange(user, new_nick, 1);
800 }
801}
802
803static CMD_FUNC(cmd_whois)
804{
805 struct userNode *from;
806 struct userNode *who;
807
808 if (argc < 3)
809 return 0;
810 if (!(from = GetUserH(origin))) {
811 log_module(MAIN_LOG, LOG_ERROR, "Could not find WHOIS origin user %s", origin);
812 return 0;
813 }
814 if(!(who = GetUserH(argv[2]))) {
815 irc_numeric(from, ERR_NOSUCHNICK, "%s@%s :No such nick", argv[2], self->name);
816 return 1;
817 }
818 if (IsHiddenHost(who) && !IsOper(from)) {
819 /* Just stay quiet. */
820 return 1;
821 }
822 irc_numeric(from, RPL_WHOISUSER, "%s %s %s * :%s", who->nick, who->ident, who->hostname, who->info);
823 if (his_servername && his_servercomment)
824 irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, his_servername, his_servercomment);
825 else
826 irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, who->uplink->name, who->uplink->description);
827
828 if (IsOper(who)) {
829 irc_numeric(from, RPL_WHOISOPERATOR, "%s :is a megalomaniacal power hungry tyrant", who->nick);
830 }
831 irc_numeric(from, RPL_ENDOFWHOIS, "%s :End of /WHOIS list", who->nick);
832 return 1;
833}
834
835static CMD_FUNC(cmd_server)
836{
837 struct server *srv;
838 const char *str;
839
840 if (argc < 8)
841 return 0;
842 if (origin) {
843 /* another server introduced us */
844 srv = AddServer(GetServerH(origin), argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), argv[6], argv[argc-1]);
845 if (!srv)
846 return 0;
847 srv->self_burst = argv[5][0] == 'J';
848 srv->burst = 1;
849 } else {
850 /* this must be our uplink */
851 srv = self->uplink = AddServer(self, argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), argv[6], argv[argc-1]);
852 if (!srv)
853 return 0;
854 srv->self_burst = argv[5][0] == 'J';
855 srv->burst = 1;
856 if ((argv[7][0] == '+') && !force_n2k) {
857 log_module(MAIN_LOG, LOG_WARNING, "Got Undernet-style SERVER message but \"force_n2k\" not on.");
858 }
859 send_burst();
860 }
861
862 /* Fix up our timestamps if necessary. */
863 if (srv->boot <= PREHISTORY) {
864 /* Server from the mists of time.. */
865 if (srv->hops == 1) {
866 log_module(MAIN_LOG, LOG_ERROR, "Server %s claims to have booted at time "FMT_TIME_T". This is absurd.", srv->name, srv->boot);
867 }
868 } else if ((str = conf_get_data("server/reliable_clock", RECDB_QSTRING))
869 && enabled_string(str)) {
870 /* If we have a reliable clock, we just keep our current time. */
871 } else {
872 if (srv->boot <= self->boot) {
873 /* The other server is older than us. Accept their timestamp.
874 * Alternately, we are same age, but we accept their time
875 * since we are linking to them. */
876 self->boot = srv->boot;
877 ioset_set_time(srv->link);
878 }
879 }
880 if (srv == self->uplink) {
881 extern time_t burst_begin;
882 burst_begin = now;
883 }
884 return 1;
885}
886
887static CMD_FUNC(cmd_eob)
888{
889 struct server *sender;
890 dict_iterator_t it;
891 unsigned int ii;
892
893 if (!(sender = GetServerH(origin)))
894 return 0;
895 if (sender == self->uplink) {
896 cManager.uplink->state = CONNECTED;
897 for (it = dict_first(unbursted_channels); it; it = iter_next(it))
898 irc_burst(iter_data(it));
899 dict_delete(unbursted_channels);
900 unbursted_channels = NULL;
901 irc_eob();
902 irc_eob_ack();
903 }
904 sender->self_burst = 0;
905 recalc_bursts(sender);
906 for (ii=0; ii<slf_used; ii++)
907 slf_list[ii](sender);
908 return 1;
909}
910
911static CMD_FUNC(cmd_eob_ack)
912{
913 extern time_t burst_begin;
914
915 if (GetServerH(origin) == self->uplink) {
916 burst_length = now - burst_begin;
917 self->self_burst = self->burst = 0;
918 }
919 cManager.uplink->state = CONNECTED;
920 return 1;
921}
922
923static CMD_FUNC(cmd_ping)
924{
925 struct server *srv;
926 struct userNode *un;
927
928 if(argc > 3)
929 irc_pong(argv[2], argv[1]);
930 else if ((srv = GetServerH(origin)))
931 irc_pong(self->name, srv->numeric);
932 else if ((un = GetUserH(origin)))
933 irc_pong(self->name, un->numeric);
934 else
935 irc_pong(self->name, origin);
936
937 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
938 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
939 timeq_add(now + ping_freq, timed_send_ping, 0);
940 received_ping();
941 return 1;
942}
943
944static CMD_FUNC(cmd_error_nick)
945{
946 /* Go back to original IRC length .. and try to reconnect :/ */
947 change_nicklen(9);
948 irc_squit(self, "Got erroneous nickname, truncating nicks.", NULL);
949 return 1;
950}
951
952struct create_desc {
953 struct userNode *user;
954 time_t when;
955};
956
957static void
958join_helper(struct chanNode *chan, void *data)
959{
960 struct create_desc *cd = data;
961 AddChannelUser(cd->user, chan);
962}
963
964static void
965create_helper(char *name, void *data)
966{
967 struct create_desc *cd = data;
968
969 if (!strcmp(name, "0")) {
970 while (cd->user->channels.used > 0)
971 DelChannelUser(cd->user, cd->user->channels.list[0]->channel, 0, 0);
972 return;
973 }
974
2aef5f4b 975 AddChannelUser(cd->user, AddChannel(name, cd->when, NULL, NULL, NULL));
d76ed9a9
AS		 976}
977
978static CMD_FUNC(cmd_create)
979{
980 struct create_desc cd;
981 struct userNode *user;
982
983 if ((argc < 3) || !(user = GetUserH(origin)))
984 return 0;
985 cd.user = user;
986 cd.when = atoi(argv[2]);
987 parse_foreach(argv[1], join_helper, create_helper, NULL, NULL, &cd);
988 return 1;
989}
990
991static CMD_FUNC(cmd_join)
992{
993 struct create_desc cd;
994
995 if (!(cd.user = GetUserH(origin)))
996 return 0;
997 if (argc < 2)
998 return 0;
999 else if (argc < 3)
1000 cd.when = now;
1001 else
1002 cd.when = atoi(argv[2]);
1003 parse_foreach(argv[1], join_helper, create_helper, NULL, NULL, &cd);
1004 return 1;
1005}
1006
1007static CMD_FUNC(cmd_pong)
1008{
1009 if (argc < 3)
1010 return 0;
1011 if (!strcmp(argv[2], self->name)) {
1012 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1013 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1014 timeq_add(now + ping_freq, timed_send_ping, 0);
1015 received_ping();
1016 }
1017 return 1;
1018}
1019
1020static CMD_FUNC(cmd_nick)
1021{
1022 struct userNode *user;
1023 if ((user = GetUserH(origin))) {
1024 /* nick change (since the source is a user numeric) */
1025 if (argc < 2)
1026 return 0;
1027 NickChange(user, argv[1], 1);
1028 } else {
1029 struct server *serv;
1030 char modes[MAXLEN];
1031 /* new nick */
1032 if (argc < 9)
1033 return 0;
1034 serv = GetServerH(origin);
1035 if (argc > 9)
1036 unsplit_string(argv+6, argc-9, modes);
1037 else
1038 strcpy(modes, "+");
1039 AddUser(serv, argv[1], argv[4], argv[5], modes, argv[argc-2], argv[argc-1], atoi(argv[3]), argv[argc-3]);
1040 }
1041 return 1;
1042}
1043
1044static CMD_FUNC(cmd_account)
1045{
1046 struct userNode *user;
1047
1048 if ((argc < 3) || !origin || !GetServerH(origin))
1049 return 0; /* Origin must be server. */
1050 user = GetUserN(argv[1]);
1051 if (!user)
1052 return 1; /* A QUIT probably passed the ACCOUNT. */
1053 call_account_func(user, argv[2]);
1054 return 1;
1055}
1056
1057static CMD_FUNC(cmd_fakehost)
1058{
1059 struct userNode *user;
1060
1061 if ((argc < 3) || !origin || !GetServerH(origin))
1062 return 0;
1063 if (!(user = GetUserN(argv[1])))
1064 return 1;
1065 assign_fakehost(user, argv[2], 0);
1066 return 1;
1067}
1068
1069static CMD_FUNC(cmd_burst)
1070{
1071 extern int rel_age;
2aef5f4b 1072 char modes[MAXLEN], *members = "";
1073 static char exemptlist[MAXLEN], banlist[MAXLEN];
1074 unsigned int next = 3;
1075 unsigned int res = 1;
1076 int ctype = 0, echeck = 0, bcheck = 0;
d76ed9a9
AS		 1077 struct chanNode *cNode;
1078 struct userNode *un;
1079 struct modeNode *mNode;
1080 long mode;
1081 char *user, *end, sep;
1082 time_t in_timestamp;
2aef5f4b 1083 char* parm = NULL;
d76ed9a9
AS		 1084
1085 if (argc < 3)
1086 return 0;
1087 modes[0] = 0;
2aef5f4b 1088
1089 exemptlist[0] = 0;
1090 banlist[0] = 0;
1091
d76ed9a9
AS		 1092 while (next < argc) {
1093 switch (argv[next][0]) {
1094 case '+': {
1095 const char *pos;
1096 int n_modes;
55342ce8 1097 for (pos=argv[next], n_modes = 1; *pos; pos++) {
d76ed9a9
AS		 1098 if ((*pos == 'k') || (*pos == 'l'))
1099 n_modes++;
55342ce8 1100 }
d76ed9a9
AS		 1101 unsplit_string(argv+next, n_modes, modes);
1102 next += n_modes;
1103 break;
1104 }
2aef5f4b 1105 case '%': {
1106 for(parm = mysep(&argv[next], " "); /* parm = first param */
1107 parm; /* While param is not null */
1108 parm = mysep(&argv[next], " ") /* parm = next param */
1109 )
1110 {
1111 switch (parm[0]) {
1112 case '%': {
1113 ctype = 1;
1114 break;
1115 }
1116 case '~': {
1117 ctype = 2;
1118 break;
1119 }
1120 default: {
1121 break;
1122 }
1123 }
1124 if (ctype == 1) {
1125 if (bcheck == 0) {
1126 /* strip % char off start of very first ban */
1127 strncat(banlist, strtok(parm, "%"), sizeof(banlist) - 1 - strlen(banlist));
1128 strncat(banlist, " ", sizeof(banlist) - 1 - strlen(banlist));
1129 bcheck = 1;
1130 } else {
1131 strncat(banlist, parm, sizeof(banlist) - 1 - strlen(banlist));
1132 strncat(banlist, " ", sizeof(banlist) - 1 - strlen(banlist));
1133 }
1134 } else if (ctype == 2) {
1135 if (echeck == 0) {
1136 echeck = 1;
1137 } else {
1138 strncat(exemptlist, parm, sizeof(exemptlist) - 1 - strlen(exemptlist));
1139 strncat(exemptlist, " ", sizeof(exemptlist) - 1 - strlen(exemptlist));
1140 }
1141 }
1142 }
1143 next++;
1144 break;
1145 }
1146 default: {
1147 members = argv[next++];
1148 break;
d76ed9a9 1149 }
2aef5f4b 1150 }
d76ed9a9
AS		 1151 }
1152
55342ce8 1153
d76ed9a9
AS		 1154 in_timestamp = atoi(argv[2]);
1155 if ((cNode = dict_find(unbursted_channels, argv[1], NULL))) {
1156 cNode->timestamp = in_timestamp;
1157 dict_remove(unbursted_channels, cNode->name);
1158 irc_burst(cNode);
1159 }
d76ed9a9
AS		 1160
1161 /* Burst channel members in now. */
2aef5f4b 1162 cNode = AddChannel(argv[1], in_timestamp, modes, banlist, exemptlist);
1163
d76ed9a9
AS		 1164 for (user = members, sep = *members, mode = 0; sep; user = end) {
1165 for (end = user + 3; isalnum(*end) || *end == '[' || *end == ']'; end++) ;
1166 sep = *end++; end[-1] = 0;
1167 if (sep == ':') {
1168 mode = 0;
1169 while ((sep = *end++)) {
1170 if (sep == 'o')
1171 mode |= MODE_CHANOP;
55342ce8 1172 else if (sep == 'h')
1173 mode |= MODE_HALFOP;
d76ed9a9
AS		 1174 else if (sep == 'v')
1175 mode |= MODE_VOICE;
1176 else
1177 break;
1178 }
1179 if (rel_age < 0)
1180 mode = 0;
1181 }
1182 if (!(un = GetUserN(user))) {
1183 res = 0;
1184 continue;
1185 }
1186 if ((mNode = AddChannelUser(un, cNode)))
1187 mNode->modes = mode;
1188 }
1189
1190 return res;
1191}
1192
1193static CMD_FUNC(cmd_mode)
1194{
1195 struct chanNode *cn;
1196 struct userNode *un;
182dd032
AS		 1197 char *sethost; // sethost - reed/apples
1198 int i; // sethost - reed/apples
d76ed9a9
AS		 1199
1200 if (argc < 3)
1201 return 0;
1202 if (!IsChannelName(argv[1])) {
1203 un = GetUserH(argv[1]);
1204 if (!un) {
1205 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s whose mode is changing.", argv[1]);
1206 return 0;
1207 }
182dd032
AS		 1208 // sethost - reed/apples
1209 if (argc == 3)
d76ed9a9 1210 mod_usermode(un, argv[2]);
182dd032
AS		 1211 else {
1212 sethost = malloc(strlen(argv[2]) + 1 + strlen(argv[3]) + 1);
1213 i = 0;
1214 while((sethost[i++] = *argv[2]++));
1215 i--;
1216 sethost[i++] = ' ';
1217 while((sethost[i++] = *argv[3]++));
1218 mod_usermode(un, sethost); // sethost - reed/apples
1219 }
1220
d76ed9a9
AS		 1221 return 1;
1222 }
1223
1224 if (!(cn = GetChannel(argv[1]))) {
1225 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1226 return 0;
1227 }
1228 if ((un = GetUserH(origin))) {
1229 struct modeNode *mn;
1230 /* Update idle time for person setting the mode */
1231 if ((mn = GetUserMode(cn, un)))
1232 mn->idle_since = now;
1233 } else {
1234 /* If it came from a server, reset timestamp to re-sync. */
1235 cn->timestamp = atoi(argv[argc-1]);
1236 }
1237
1238 return mod_chanmode(un, cn, argv+2, argc-2, MCP_ALLOW_OVB|MCP_FROM_SERVER|(un ? MC_NOTIFY : 0));
1239}
1240
1241static CMD_FUNC(cmd_opmode)
1242{
1243 struct chanNode *cn;
1244 struct userNode *un;
1245
1246 if (argc < 3)
1247 return 0;
1248
1249 if (!(cn = GetChannel(argv[1]))) {
1250 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1251 return 0;
1252 }
1253 if (!(un = GetUserH(origin))) {
1254 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s requesting OPMODE.", origin);
1255 return 0;
1256 }
1257 if (!IsOper(un)) {
1258 log_module(MAIN_LOG, LOG_ERROR, "Non-privileged user %s using OPMODE.", un->nick);
1259 return 0;
1260 }
1261
1262 return mod_chanmode(un, cn, argv+2, argc-2, MCP_ALLOW_OVB|MCP_FROM_SERVER); /* do NOT announce opmode locally */
1263}
1264
1265static int clear_chanmode(struct chanNode *channel, const char *modes);
1266
1267static CMD_FUNC(cmd_clearmode)
1268{
1269 struct chanNode *cn;
1270 struct userNode *un;
1271
1272 if (argc < 3)
1273 return 0;
1274
1275 if (!(cn = GetChannel(argv[1]))) {
1276 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1277 return 0;
1278 }
1279 if (!(un = GetUserH(origin))) {
1280 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s requesting CLEARMODE.", origin);
1281 return 0;
1282 }
1283 if (!IsOper(un)) {
1284 log_module(MAIN_LOG, LOG_ERROR, "Non-privileged user %s using CLEARMODE.", un->nick);
1285 return 0;
1286 }
1287
1288 return clear_chanmode(cn, argv[2]);
1289}
1290
1291static CMD_FUNC(cmd_topic)
1292{
1293 struct chanNode *cn;
1294 time_t chan_ts, topic_ts;
1295
1296 if (argc < 3)
1297 return 0;
1298 if (!(cn = GetChannel(argv[1]))) {
1299 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose topic is being set", argv[1]);
1300 return 0;
1301 }
1302 if (argc >= 5) {
1303 /* Looks like an Asuka style topic burst. */
1304 chan_ts = atoi(argv[2]);
1305 topic_ts = atoi(argv[3]);
1306 } else {
1307 chan_ts = cn->timestamp;
1308 topic_ts = now;
1309 }
1310 SetChannelTopic(cn, GetUserH(origin), argv[argc-1], 0);
1311 cn->topic_time = topic_ts;
1312 return 1;
1313}
1314
1315static CMD_FUNC(cmd_num_topic)
1316{
1317 struct chanNode *cn;
1318
1319 if (!argv[0])
1320 return 0; /* huh? */
1321 if (argv[2]) {
1322 cn = GetChannel(argv[2]);
1323 if (!cn) {
1324 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s in topic reply", argv[2]);
1325 return 0;
1326 }
1327 } else
1328 return 0;
1329
1330 switch (atoi(argv[0])) {
1331 case 331:
1332 cn->topic_time = 0;
1333 break; /* no topic */
1334 case 332:
1335 if (argc < 4)
1336 return 0;
1337 safestrncpy(cn->topic, unsplit_string(argv+3, argc-3, NULL), sizeof(cn->topic));
1338 break;
1339 case 333:
1340 if (argc < 5)
1341 return 0;
1342 safestrncpy(cn->topic_nick, argv[3], sizeof(cn->topic_nick));
1343 cn->topic_time = atoi(argv[4]);
1344 break;
1345 default:
1346 return 0; /* should never happen */
1347 }
1348 return 1;
1349}
1350
1351static CMD_FUNC(cmd_num_gline)
1352{
1353 if (argc < 6)
1354 return 0;
1355 gline_add(origin, argv[3], atoi(argv[4])-now, argv[5], now, 0);
1356 return 1;
1357}
1358
1359static CMD_FUNC(cmd_quit)
1360{
1361 struct userNode *user;
1362 if (argc < 2)
1363 return 0;
1364 /* Sometimes we get a KILL then a QUIT or the like, so we don't want to
1365 * call DelUser unless we have the user in our grasp. */
1366 if ((user = GetUserH(origin)))
1367 DelUser(user, NULL, false, argv[1]);
1368 return 1;
1369}
1370
1371static CMD_FUNC(cmd_kill)
1372{
1373 struct userNode *user;
1374 if (argc < 2)
1375 return 0;
1376 user = GetUserN(argv[1]);
1377 if (!user) {
1378 /* If we get a KILL for a non-existent user, it could be a
1379 * Ghost response to a KILL we sent out earlier. So we only
1380 * whine if the target is local.
1381 */
1382 if (!strncmp(argv[1], self->numeric, strlen(self->numeric)))
1383 log_module(MAIN_LOG, LOG_ERROR, "Unable to find kill victim %s", argv[1]);
1384 return 0;
1385 }
1386
1387 if (IsLocal(user) && IsService(user)) {
1388 /* TODO: rate limit this so silly things don't happen. */
1389 ReintroduceUser(user);
1390 return 1;
1391 }
1392
1393 DelUser(user, NULL, false, argv[2]);
1394 return 1;
1395}
1396
1397static CMD_FUNC(cmd_part)
1398{
1399 struct userNode *user;
1400
1401 if (argc < 2)
1402 return 0;
1403 user = GetUserH(origin);
1404 if (!user)
1405 return 0;
1406 parse_foreach(argv[1], part_helper, NULL, NULL, NULL, user);
1407 return 1;
1408}
1409
1410static CMD_FUNC(cmd_kick)
1411{
1412 if (argc < 3)
1413 return 0;
1414 ChannelUserKicked(GetUserH(origin), GetUserN(argv[2]), GetChannel(argv[1]));
1415 return 1;
1416}
1417
1418static CMD_FUNC(cmd_squit)
1419{
1420 struct server *server;
1421
1422 if (argc < 4)
1423 return 0;
1424 if (!(server = GetServerH(argv[1])))
1425 return 0;
1426
1427 if (server == self->uplink) {
1428 /* Force a reconnect to the currently selected server. */
1429 cManager.uplink->tries = 0;
1430 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", argv[3]);
1431 close_socket();
1432 return 1;
1433 }
1434
1435 DelServer(server, 0, argv[3]);
1436 return 1;
1437}
1438
1439static CMD_FUNC(cmd_privmsg)
1440{
1441 struct privmsg_desc pd;
1442 if (argc != 3)
1443 return 0;
1444 pd.user = GetUserH(origin);
1445 if (!pd.user || (IsGagged(pd.user) && !IsOper(pd.user)))
1446 return 1;
1447 pd.is_notice = 0;
1448 pd.text = argv[2];
1449 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
1450 return 1;
1451}
1452
1453static CMD_FUNC(cmd_notice)
1454{
1455 struct privmsg_desc pd;
1456 if (argc != 3)
1457 return 0;
1458 pd.user = GetUserH(origin);
1459 if (!pd.user || (IsGagged(pd.user) && !IsOper(pd.user)))
1460 return 1;
1461 pd.is_notice = 1;
1462 pd.text = argv[2];
1463 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
1464 return 1;
1465}
1466
1467static CMD_FUNC(cmd_away)
1468{
1469 struct userNode *uNode;
1470
1471 uNode = GetUserH(origin);
1472 if (!uNode)
1473 return 1;
1474 if (argc < 2)
1475 uNode->modes &= ~FLAGS_AWAY;
1476 else
1477 uNode->modes |= FLAGS_AWAY;
1478 return 1;
1479}
1480
1481static CMD_FUNC(cmd_gline)
1482{
1483 if (argc < 3)
1484 return 0;
1485 if (argv[2][0] == '+') {
1486 if (argc < 5)
1487 return 0;
1488 gline_add(origin, argv[2]+1, strtoul(argv[3], NULL, 0), argv[argc-1], now, 0);
1489 return 1;
1490 } else if (argv[2][0] == '-') {
1491 gline_remove(argv[2]+1, 0);
1492 return 1;
1493 } else
1494 return 0;
1495}
1496
1497static CMD_FUNC(cmd_svsnick)
1498{
1499 struct userNode *target, *dest;
1500 if ((argc < 4)
1501 || !(target = GetUserN(argv[1]))
1502 || !IsLocal(target)
1503 || (dest = GetUserH(argv[2])))
1504 return 0;
1505 NickChange(target, argv[2], 0);
1506 return 1;
1507}
1508
1509static oper_func_t *of_list;
1510static unsigned int of_size = 0, of_used = 0;
1511
1512void
1513free_user(struct userNode *user)
1514{
1515 free(user->nick);
1516 free(user);
1517}
1518
1519static void
1520parse_cleanup(void)
1521{
1522 unsigned int nn;
1523 free(of_list);
1524 free(privmsg_funcs);
1525 free(notice_funcs);
1526 free(mcf_list);
1527 dict_delete(irc_func_dict);
1528 for (nn=0; nn<dead_users.used; nn++)
1529 free_user(dead_users.list[nn]);
1530 userList_clean(&dead_users);
1531}
1532
1533static void
1534p10_conf_reload(void) {
1535 hidden_host_suffix = conf_get_data("server/hidden_host", RECDB_QSTRING);
1536}
1537
1538static void
1539remove_unbursted_channel(struct chanNode *cNode) {
1540 if (unbursted_channels)
1541 dict_remove(unbursted_channels, cNode->name);
1542}
1543
1544void
1545init_parse(void)
1546{
1547 const char *str, *desc;
1548 int numnick, usermask, max_users;
1549 char numer[COMBO_NUMERIC_LEN+1];
1550
1551 /* read config items */
1552 str = conf_get_data("server/ping_freq", RECDB_QSTRING);
1553 ping_freq = str ? ParseInterval(str) : 120;
1554 str = conf_get_data("server/ping_timeout", RECDB_QSTRING);
1555 ping_timeout = str ? ParseInterval(str) : 30;
1556 str = conf_get_data("server/force_n2k", RECDB_QSTRING);
1557 force_n2k = str ? enabled_string(str) : 1;
1558 str = conf_get_data("server/numeric", RECDB_QSTRING);
1559 if (!str) {
1560 log_module(MAIN_LOG, LOG_ERROR, "No server/numeric entry in config file.");
1561 exit(1);
1562 }
1563 numnick = atoi(str);
1564 str = conf_get_data("server/max_users", RECDB_QSTRING);
1565 max_users = str ? atoi(str) : 4096;
1566 for (usermask = 4; usermask < max_users; usermask <<= 1) ;
1567 usermask--;
1568 if ((numnick < 64) && (usermask < 4096) && !force_n2k)
1569 inttobase64(numer, (numnick << 12) + (usermask & 0x00fff), 3);
1570 else
1571 inttobase64(numer, (numnick << 18) + (usermask & 0x3ffff), 5);
1572
1573 str = conf_get_data("server/his_servername", RECDB_QSTRING);
1574 his_servername = str ? strdup(str) : NULL;
1575 str = conf_get_data("server/his_servercomment", RECDB_QSTRING);
1576 his_servercomment = str ? strdup(str) : NULL;
1577
1578 str = conf_get_data("server/hostname", RECDB_QSTRING);
1579 desc = conf_get_data("server/description", RECDB_QSTRING);
1580 if (!str || !desc) {
1581 log_module(MAIN_LOG, LOG_ERROR, "No server/hostname entry in config file.");
1582 exit(1);
1583 }
1584 self = AddServer(NULL, str, 0, boot_time, now, numer, desc);
1585 conf_register_reload(p10_conf_reload);
1586
1587 irc_func_dict = dict_new();
1588 dict_insert(irc_func_dict, CMD_BURST, cmd_burst);
1589 dict_insert(irc_func_dict, TOK_BURST, cmd_burst);
1590 dict_insert(irc_func_dict, CMD_CREATE, cmd_create);
1591 dict_insert(irc_func_dict, TOK_CREATE, cmd_create);
1592 dict_insert(irc_func_dict, CMD_EOB, cmd_eob);
1593 dict_insert(irc_func_dict, TOK_EOB, cmd_eob);
1594 dict_insert(irc_func_dict, CMD_EOB_ACK, cmd_eob_ack);
1595 dict_insert(irc_func_dict, TOK_EOB_ACK, cmd_eob_ack);
1596 dict_insert(irc_func_dict, CMD_MODE, cmd_mode);
1597 dict_insert(irc_func_dict, TOK_MODE, cmd_mode);
1598 dict_insert(irc_func_dict, CMD_NICK, cmd_nick);
1599 dict_insert(irc_func_dict, TOK_NICK, cmd_nick);
1600 dict_insert(irc_func_dict, CMD_ACCOUNT, cmd_account);
1601 dict_insert(irc_func_dict, TOK_ACCOUNT, cmd_account);
1602 dict_insert(irc_func_dict, CMD_FAKEHOST, cmd_fakehost);
1603 dict_insert(irc_func_dict, TOK_FAKEHOST, cmd_fakehost);
1604 dict_insert(irc_func_dict, CMD_PASS, cmd_pass);
1605 dict_insert(irc_func_dict, TOK_PASS, cmd_pass);
1606 dict_insert(irc_func_dict, CMD_PING, cmd_ping);
1607 dict_insert(irc_func_dict, TOK_PING, cmd_ping);
1608 dict_insert(irc_func_dict, CMD_PRIVMSG, cmd_privmsg);
1609 dict_insert(irc_func_dict, TOK_PRIVMSG, cmd_privmsg);
1610 dict_insert(irc_func_dict, CMD_PONG, cmd_pong);
1611 dict_insert(irc_func_dict, TOK_PONG, cmd_pong);
1612 dict_insert(irc_func_dict, CMD_QUIT, cmd_quit);
1613 dict_insert(irc_func_dict, TOK_QUIT, cmd_quit);
1614 dict_insert(irc_func_dict, CMD_SERVER, cmd_server);
1615 dict_insert(irc_func_dict, TOK_SERVER, cmd_server);
1616 dict_insert(irc_func_dict, CMD_JOIN, cmd_join);
1617 dict_insert(irc_func_dict, TOK_JOIN, cmd_join);
1618 dict_insert(irc_func_dict, CMD_PART, cmd_part);
1619 dict_insert(irc_func_dict, TOK_PART, cmd_part);
1620 dict_insert(irc_func_dict, CMD_ERROR, cmd_error);
1621 dict_insert(irc_func_dict, TOK_ERROR, cmd_error);
1622 dict_insert(irc_func_dict, CMD_TOPIC, cmd_topic);
1623 dict_insert(irc_func_dict, TOK_TOPIC, cmd_topic);
1624 dict_insert(irc_func_dict, CMD_AWAY, cmd_away);
1625 dict_insert(irc_func_dict, TOK_AWAY, cmd_away);
1626 dict_insert(irc_func_dict, CMD_SILENCE, cmd_dummy);
1627 dict_insert(irc_func_dict, TOK_SILENCE, cmd_dummy);
1628 dict_insert(irc_func_dict, CMD_KICK, cmd_kick);
1629 dict_insert(irc_func_dict, TOK_KICK, cmd_kick);
1630 dict_insert(irc_func_dict, CMD_SQUIT, cmd_squit);
1631 dict_insert(irc_func_dict, TOK_SQUIT, cmd_squit);
1632 dict_insert(irc_func_dict, CMD_KILL, cmd_kill);
1633 dict_insert(irc_func_dict, TOK_KILL, cmd_kill);
1634 dict_insert(irc_func_dict, CMD_NOTICE, cmd_notice);
1635 dict_insert(irc_func_dict, TOK_NOTICE, cmd_notice);
1636 dict_insert(irc_func_dict, CMD_STATS, cmd_stats);
1637 dict_insert(irc_func_dict, TOK_STATS, cmd_stats);
1638 dict_insert(irc_func_dict, CMD_SVSNICK, cmd_svsnick);
1639 dict_insert(irc_func_dict, TOK_SVSNICK, cmd_svsnick);
1640 dict_insert(irc_func_dict, CMD_WHOIS, cmd_whois);
1641 dict_insert(irc_func_dict, TOK_WHOIS, cmd_whois);
1642 dict_insert(irc_func_dict, CMD_GLINE, cmd_gline);
1643 dict_insert(irc_func_dict, TOK_GLINE, cmd_gline);
1644 dict_insert(irc_func_dict, CMD_OPMODE, cmd_opmode);
1645 dict_insert(irc_func_dict, TOK_OPMODE, cmd_opmode);
1646 dict_insert(irc_func_dict, CMD_CLEARMODE, cmd_clearmode);
1647 dict_insert(irc_func_dict, TOK_CLEARMODE, cmd_clearmode);
1648 dict_insert(irc_func_dict, CMD_VERSION, cmd_version);
1649 dict_insert(irc_func_dict, TOK_VERSION, cmd_version);
1650 dict_insert(irc_func_dict, CMD_ADMIN, cmd_admin);
1651 dict_insert(irc_func_dict, TOK_ADMIN, cmd_admin);
1652
1653 /* In P10, DESTRUCT doesn't do anything except be broadcast to servers.
1654 * Apparently to obliterate channels from any servers that think they
1655 * exist?
1656 */
1657 dict_insert(irc_func_dict, CMD_DESTRUCT, cmd_dummy);
1658 dict_insert(irc_func_dict, TOK_DESTRUCT, cmd_dummy);
1659 /* Ignore invites */
1660 dict_insert(irc_func_dict, CMD_INVITE, cmd_dummy);
1661 dict_insert(irc_func_dict, TOK_INVITE, cmd_dummy);
1662 /* DESYNCH is just informational, so ignore it */
1663 dict_insert(irc_func_dict, CMD_DESYNCH, cmd_dummy);
1664 dict_insert(irc_func_dict, TOK_DESYNCH, cmd_dummy);
1665 /* Ignore channel operator notices. */
1666 dict_insert(irc_func_dict, CMD_WALLCHOPS, cmd_dummy);
1667 dict_insert(irc_func_dict, TOK_WALLCHOPS, cmd_dummy);
1668 dict_insert(irc_func_dict, CMD_WALLVOICES, cmd_dummy);
1669 dict_insert(irc_func_dict, TOK_WALLVOICES, cmd_dummy);
55342ce8 1670 dict_insert(irc_func_dict, CMD_WALLHOPS, cmd_dummy);
1671 dict_insert(irc_func_dict, TOK_WALLHOPS, cmd_dummy);
d76ed9a9
AS		 1672 /* Ignore opers being silly. */
1673 dict_insert(irc_func_dict, CMD_WALLOPS, cmd_dummy);
1674 dict_insert(irc_func_dict, TOK_WALLOPS, cmd_dummy);
55342ce8 1675 dict_insert(irc_func_dict, CMD_WALLHOPS, cmd_dummy);
1676 dict_insert(irc_func_dict, TOK_WALLHOPS, cmd_dummy);
d76ed9a9
AS		 1677 /* We have reliable clock! Always! Wraaa! */
1678 dict_insert(irc_func_dict, CMD_SETTIME, cmd_dummy);
1679 dict_insert(irc_func_dict, TOK_SETTIME, cmd_dummy);
1680 /* handle topics */
1681 dict_insert(irc_func_dict, "331", cmd_num_topic);
1682 dict_insert(irc_func_dict, "332", cmd_num_topic);
1683 dict_insert(irc_func_dict, "333", cmd_num_topic);
1684 dict_insert(irc_func_dict, "345", cmd_dummy); /* blah has been invited to blah */
1685 dict_insert(irc_func_dict, "432", cmd_error_nick); /* Erroneus [sic] nickname */
1686 /* ban list resetting */
1687 /* "stats g" responses */
1688 dict_insert(irc_func_dict, "247", cmd_num_gline);
1689 dict_insert(irc_func_dict, "219", cmd_dummy); /* "End of /STATS report" */
1690 /* other numeric responses we might get */
1691 dict_insert(irc_func_dict, "401", cmd_dummy); /* target left network */
1692 dict_insert(irc_func_dict, "403", cmd_dummy); /* no such channel */
1693 dict_insert(irc_func_dict, "404", cmd_dummy); /* cannot send to channel */
1694 dict_insert(irc_func_dict, "441", cmd_dummy); /* target isn't on that channel */
1695 dict_insert(irc_func_dict, "442", cmd_dummy); /* you aren't on that channel */
1696 dict_insert(irc_func_dict, "443", cmd_dummy); /* is already on channel (after invite?) */
1697 dict_insert(irc_func_dict, "461", cmd_dummy); /* Not enough parameters (after TOPIC w/ 0 args) */
1698 dict_insert(irc_func_dict, "467", cmd_dummy); /* Channel key already set */
1699
1700 num_privmsg_funcs = 16;
1701 privmsg_funcs = malloc(sizeof(privmsg_func_t)*num_privmsg_funcs);
1702 memset(privmsg_funcs, 0, sizeof(privmsg_func_t)*num_privmsg_funcs);
1703
1704 num_notice_funcs = 16;
1705 notice_funcs = malloc(sizeof(privmsg_func_t)*num_notice_funcs);
1706 memset(notice_funcs, 0, sizeof(privmsg_func_t)*num_notice_funcs);
1707
1708 userList_init(&dead_users);
1709 reg_del_channel_func(remove_unbursted_channel);
1710 reg_exit_func(parse_cleanup);
1711}
1712
1713int
1714parse_line(char *line, int recursive)
1715{
1716 char *argv[MAXNUMPARAMS], *origin;
1717 int argc, cmd, res=0;
1718 cmd_func_t *func;
1719
1720 argc = split_line(line, true, MAXNUMPARAMS, argv);
1721 cmd = self->uplink || !argv[0][1] || !argv[0][2];
1722 if (argc > cmd) {
1723 if (cmd) {
1724 if (argv[0][0] == ':') {
1725 origin = argv[0]+1;
1726 } else if (!argv[0][1] || !argv[0][2]) {
1727 struct server *sNode = GetServerN(argv[0]);
1728 origin = sNode ? sNode->name : 0;
1729 } else {
1730 struct userNode *uNode = GetUserN(argv[0]);
1731 origin = uNode ? uNode->nick : 0;
1732 }
1733 } else
1734 origin = 0;
1735 if ((func = dict_find(irc_func_dict, argv[cmd], NULL)))
1736 res = func(origin, argc-cmd, argv+cmd);
1737 }
1738 if (!res) {
1739 log_module(MAIN_LOG, LOG_ERROR, "PARSE ERROR on line: %s", unsplit_string(argv, argc, NULL));
1740 } else if (!recursive) {
1741 unsigned int i;
1742 for (i=0; i<dead_users.used; i++)
1743 free_user(dead_users.list[i]);
1744 dead_users.used = 0;
1745 }
1746 return res;
1747}
1748
1749static void
1750parse_foreach(char *target_list, foreach_chanfunc cf, foreach_nonchan nc, foreach_userfunc uf, foreach_nonuser nu, void *data)
1751{
1752 char *j, old;
1753 do {
1754 j = target_list;
1755 while (*j != 0 && *j != ',')
1756 j++;
1757 old = *j;
1758 *j = 0;
1759 if (IsChannelName(target_list)
1760 || (target_list[0] == '0' && target_list[1] == '\0')) {
1761 struct chanNode *chan = GetChannel(target_list);
1762 if (chan) {
1763 if (cf)
1764 cf(chan, data);
1765 } else {
1766 if (nc)
1767 nc(target_list, data);
1768 }
1769 } else {
1770 struct userNode *user;
1771 struct privmsg_desc *pd = data;
1772
1773 pd->is_qualified = 0;
1774 if (*target_list == '@') {
1775 user = NULL;
1776 } else if (strchr(target_list, '@')) {
1777 struct server *server;
1778
1779 pd->is_qualified = 1;
1780 user = GetUserH(strtok(target_list, "@"));
1781 server = GetServerH(strtok(NULL, "@"));
1782
1783 if (user && (user->uplink != server)) {
1784 /* Don't attempt to index into any arrays
1785 using a user's numeric on another server. */
1786 user = NULL;
1787 }
1788 } else {
1789 user = GetUserN(target_list);
1790 }
1791
1792 if (user) {
1793 if (uf)
1794 uf(user, data);
1795 } else {
1796 if (nu)
1797 nu(target_list, data);
1798 }
1799 }
1800 target_list = j+1;
1801 } while (old == ',');
1802}
1803
1804static int
1805get_local_numeric(void)
1806{
1807 static unsigned int next_numeric = 0;
1808 if (self->clients > self->num_mask)
1809 return -1;
1810 while (self->users[next_numeric])
1811 if (++next_numeric > self->num_mask)
1812 next_numeric = 0;
1813 return next_numeric;
1814}
1815
1816static void
1817make_numeric(struct server *svr, int local_num, char *outbuf)
1818{
1819 int slen, llen;
1820
1821 if (force_n2k || svr->numeric[1]) {
1822 slen = 2;
1823 llen = 3;
1824 } else {
1825 slen = 1;
1826 llen = (local_num < 64*64) ? 2 : 3;
1827 }
1828 strncpy(outbuf, svr->numeric, slen);
1829 inttobase64(outbuf+slen, local_num, llen);
1830 outbuf[slen+llen] = 0;
1831}
1832
1833struct server *
1834AddServer(struct server *uplink, const char *name, int hops, time_t boot, time_t link, const char *numeric, const char *description)
1835{
1836 struct server* sNode;
1837 int slen, mlen;
1838
1839 if ((sNode = GetServerN(numeric))) {
1840 /* This means we're trying to re-add an existant server.
1841 * To be safe, we should forget the previous incarnation.
1842 * (And all its linked servers.)
1843 *
1844 * It usually only happens in replays when the original
1845 * had a ping timeout and the replay didn't (because
1846 * replaying a ping timeout invariably gets things wrong).
1847 */
1848 DelServer(sNode, 0, NULL);
1849 }
1850
1851 switch (strlen(numeric)) {
1852 case 5: slen = 2; mlen = 3; break;
1853 case 4: slen = 1; mlen = 3; break;
1854 case 3: slen = 1; mlen = 2; break;
1855 default:
1856 log_module(MAIN_LOG, LOG_ERROR, "AddServer(\"%s\", \"%s\", ...): Numeric %s has invalid length.", uplink->name, name, numeric);
1857 return NULL;
1858 }
1859
1860 sNode = calloc(1, sizeof(*sNode));
1861 sNode->uplink = uplink;
1862 safestrncpy(sNode->name, name, sizeof(sNode->name));
1863 sNode->num_mask = base64toint(numeric+slen, mlen);
1864 sNode->hops = hops;
1865 sNode->boot = boot;
1866 sNode->link = link;
1867 strncpy(sNode->numeric, numeric, slen);
1868 safestrncpy(sNode->description, description, sizeof(sNode->description));
1869 sNode->users = calloc(sNode->num_mask+1, sizeof(*sNode->users));
1870 serverList_init(&sNode->children);
1871 if (sNode->uplink) {
1872 /* uplink may be NULL if we're just building ourself */
1873 serverList_append(&sNode->uplink->children, sNode);
1874 }
1875 servers_num[base64toint(numeric, slen)] = sNode;
1876 dict_insert(servers, sNode->name, sNode);
1877 return sNode;
1878}
1879
1880void DelServer(struct server* serv, int announce, const char *message)
1881{
1882 unsigned int i;
1883
1884 /* If we receive an ERROR command before the SERVER
1885 * command a NULL server can be passed */
1886 if (!serv)
1887 return;
1888
1889 /* Hrm, what's the right way to SQUIT some other server?
1890 * (This code is only to handle killing juped servers.) */
1891 if (announce && (serv->uplink == self) && (serv != self->uplink))
1892 irc_squit(serv, message, NULL);
1893
1894 /* must recursively remove servers linked to this one first */
1895 for (i=serv->children.used;i>0;)
1896 if (serv->children.list[--i] != self)
1897 DelServer(serv->children.list[i], false, NULL);
1898
1899 /* clean up server's user hash tables */
1900 for (i=0;i<=serv->num_mask;i++)
1901 if (serv->users[i])
1902 DelUser(serv->users[i], NULL, false, "server delinked");
1903
1904 /* delete server */
1905 if (serv->uplink)
1906 serverList_remove(&serv->uplink->children, serv);
1907 if (serv == self->uplink)
1908 self->uplink = NULL;
1909 servers_num[base64toint(serv->numeric, strlen(serv->numeric))] = NULL;
1910 dict_remove(servers, serv->name);
1911 serverList_clean(&serv->children);
1912 free(serv->users);
1913 free(serv);
1914}
1915
1916struct userNode *
1917AddService(const char *nick, const char *desc, const char *hostname)
1918{
1919 char numeric[COMBO_NUMERIC_LEN+1];
1920 int local_num = get_local_numeric();
1921 time_t timestamp = now;
1922 struct userNode *old_user = GetUserH(nick);
1923
1924 if (old_user) {
1925 if (IsLocal(old_user))
1926 return old_user;
1927 timestamp = old_user->timestamp - 1;
1928 }
1929 if (local_num == -1) {
1930 log_module(MAIN_LOG, LOG_ERROR, "Unable to allocate numnick for service %s", nick);
1931 return 0;
1932 }
1933 if (!hostname)
1934 hostname = self->name;
1935 make_numeric(self, local_num, numeric);
1936 return AddUser(self, nick, nick, hostname, "+oik", numeric, desc, now, "AAAAAA");
1937}
1938
1939struct userNode *
1940AddClone(const char *nick, const char *ident, const char *hostname, const char *desc)
1941{
1942 char numeric[COMBO_NUMERIC_LEN+1];
1943 int local_num = get_local_numeric();
1944 time_t timestamp = now;
1945 struct userNode *old_user = GetUserH(nick);
1946
1947 if (old_user) {
1948 if (IsLocal(old_user))
1949 return old_user;
1950 timestamp = old_user->timestamp - 1;
1951 }
1952 if (local_num == -1) {
1953 log_module(MAIN_LOG, LOG_ERROR, "Unable to allocate numnick for clone %s", nick);
1954 return 0;
1955 }
1956 make_numeric(self, local_num, numeric);
1957 return AddUser(self, nick, ident, hostname, "+i", numeric, desc, timestamp, "AAAAAA");
1958}
1959
1960int
1961is_valid_nick(const char *nick) {
1962 /* IRC has some of The Most Fucked-Up ideas about character sets
1963 * in the world.. */
1964 if (!isalpha(*nick) && !strchr("{|}~[\\]^_`", *nick))
1965 return 0;
1966 for (++nick; *nick; ++nick)
1967 if (!isalnum(*nick) && !strchr("{|}~[\\]^-_`", *nick))
1968 return 0;
1969 if (strlen(nick) > nicklen)
1970 return 0;
1971 return 1;
1972}
1973
1974static struct userNode*
1975AddUser(struct server* uplink, const char *nick, const char *ident, const char *hostname, const char *modes, const char *numeric, const char *userinfo, time_t timestamp, const char *realip)
1976{
1977 struct userNode *oldUser, *uNode;
1978 unsigned int n, ignore_user;
1979
1980 if ((strlen(numeric) < 3) || (strlen(numeric) > 5)) {
1981 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): numeric %s wrong length!", uplink, nick, numeric);
1982 return NULL;
1983 }
1984
1985 if (!uplink) {
1986 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server for numeric %s doesn't exist!", uplink, nick, numeric);
1987 return NULL;
1988 }
1989
1990 if (uplink != GetServerN(numeric)) {
1991 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server for numeric %s differs from nominal uplink %s.", uplink, nick, numeric, uplink->name);
1992 return NULL;
1993 }
1994
1995 if (!is_valid_nick(nick)) {
1996 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): invalid nickname detected.", uplink, nick);
1997 return NULL;
1998 }
1999
2000 ignore_user = 0;
2001 if ((oldUser = GetUserH(nick))) {
2002 if (IsLocal(oldUser) && (IsService(oldUser) || IsPersistent(oldUser))) {
2003 /* The service should collide the new user off. */
2004 oldUser->timestamp = timestamp - 1;
2005 irc_user(oldUser);
2006 }
2007 if (oldUser->timestamp > timestamp) {
2008 /* "Old" user is really newer; remove them */
2009 DelUser(oldUser, 0, 1, "Overruled by older nick");
2010 } else {
2011 /* User being added is too new; do not add them to
2012 * clients, but do add them to the server's list, since it
2013 * will send a KILL and QUIT soon. */
2014 ignore_user = 1;
2015 }
2016 }
2017
2018 /* create new usernode and set all values */
2019 uNode = calloc(1, sizeof(*uNode));
2020 uNode->nick = strdup(nick);
2021 safestrncpy(uNode->ident, ident, sizeof(uNode->ident));
2022 safestrncpy(uNode->info, userinfo, sizeof(uNode->info));
2023 safestrncpy(uNode->hostname, hostname, sizeof(uNode->hostname));
2024 safestrncpy(uNode->numeric, numeric, sizeof(uNode->numeric));
2025 uNode->ip.s_addr = htonl(base64toint(realip, 6));
2026 uNode->timestamp = timestamp;
2027 modeList_init(&uNode->channels);
2028 uNode->uplink = uplink;
2029 if (++uNode->uplink->clients > uNode->uplink->max_clients) {
2030 uNode->uplink->max_clients = uNode->uplink->clients;
2031 }
2032 uNode->num_local = base64toint(numeric+strlen(uNode->uplink->numeric), 3) & uNode->uplink->num_mask;
2033 uNode->uplink->users[uNode->num_local] = uNode;
2034 mod_usermode(uNode, modes);
2035 if (ignore_user)
2036 return uNode;
2037
2038 dict_insert(clients, uNode->nick, uNode);
2039 if (dict_size(clients) > max_clients) {
2040 max_clients = dict_size(clients);
2041 max_clients_time = now;
2042 }
2043 if (IsLocal(uNode))
2044 irc_user(uNode);
2045 for (n=0; n<nuf_used; n++)
2046 if (nuf_list[n](uNode))
2047 break;
2048 return uNode;
2049}
2050
2051/* removes user from it's server's hash table and nick hash table */
2052void
2053DelUser(struct userNode* user, struct userNode *killer, int announce, const char *why)
2054{
2055 unsigned int n;
2056
2057 /* mark them as dead, in case anybody cares */
2058 user->dead = 1;
2059
2060 /* remove user from all channels */
2061 while (user->channels.used > 0)
2062 DelChannelUser(user, user->channels.list[user->channels.used-1]->channel, false, 0);
2063
2064 /* Call these in reverse order so ChanServ can update presence
2065 information before NickServ nukes the handle_info. */
2066 for (n = duf_used; n > 0; )
2067 duf_list[--n](user, killer, why);
2068
2069 user->uplink->clients--;
2070 user->uplink->users[user->num_local] = NULL;
2071 if (IsOper(user))
2072 userList_remove(&curr_opers, user);
2073 /* remove from global dictionary, but not if after a collide */
2074 if (user == dict_find(clients, user->nick, NULL))
2075 dict_remove(clients, user->nick);
2076
2077 if (IsInvisible(user))
2078 invis_clients--;
2079
2080 if (announce) {
2081 if (IsLocal(user))
2082 irc_quit(user, why);
2083 else
2084 irc_kill(killer, user, why);
2085 }
2086
2087 modeList_clean(&user->channels);
2088 /* We don't free them, in case we try to privmsg them or something
2089 * (like when a stupid oper kills themself). We just put them onto
2090 * a list of clients that get freed after processing each line.
2091 */
2092 if (dead_users.size)
2093 userList_append(&dead_users, user);
2094 else
2095 free_user(user);
2096}
2097
2098void mod_usermode(struct userNode *user, const char *mode_change) {
2099 static void call_oper_funcs(struct userNode *user);
2100 int add = 1;
2101 const char *word = mode_change;
2102
2103 if (!user || !mode_change)
2104 return;
2105 while (*word != ' ' && *word) word++;\
2106 while (*word == ' ') word++; \
2107 while (1) {
2108#define do_user_mode(FLAG) do { if (add) user->modes |= FLAG; else user->modes &= ~FLAG; } while (0)
2109 switch (*mode_change++) {
2110 case 0: case ' ': return;
2111 case '+': add = 1; break;
2112 case '-': add = 0; break;
2113 case 'o':
2114 do_user_mode(FLAGS_OPER);
2115 if (add) {
2116 userList_append(&curr_opers, user);
2117 call_oper_funcs(user);
2118 } else {
2119 userList_remove(&curr_opers, user);
2120 }
2121 break;
2122 case 'O': do_user_mode(FLAGS_LOCOP); break;
2123 case 'i': do_user_mode(FLAGS_INVISIBLE);
2124 if (add)
2125 invis_clients++;
2126 else
2127 invis_clients--;
2128 break;
2129 case 'w': do_user_mode(FLAGS_WALLOP); break;
2130 case 's': do_user_mode(FLAGS_SERVNOTICE); break;
2131 case 'd': do_user_mode(FLAGS_DEAF); break;
2132 case 'k': do_user_mode(FLAGS_SERVICE); break;
2133 case 'g': do_user_mode(FLAGS_GLOBAL); break;
182dd032
AS		 2134 // sethost - reed/apples
2135 // case 'h': do_user_mode(FLAGS_HELPER); break;
2136 // I check if there's an 'h' in the first part, and if there,
2137 // then everything after the space becomes their new host.
2138 case 'h': do_user_mode(FLAGS_SETHOST);
2139 if (*word) {
2140 char sethost[MAXLEN];
2141 unsigned int ii;
2142 for (ii=0; (*word != ' ') && (*word != '\0'); )
2143 sethost[ii++] = *word++;
2144 sethost[ii] = 0;
2145 while (*word == ' ')
2146 word++;
2147 safestrncpy(user->sethost, sethost, sizeof(user->sethost));
2148 }
2149 break;
d76ed9a9
AS		 2150 case 'x': do_user_mode(FLAGS_HIDDEN_HOST); break;
2151 case 'r':
2152 if (*word) {
2153 char tag[MAXLEN];
2154 unsigned int ii;
2155 for (ii=0; (*word != ' ') && (*word != '\0'); )
2156 tag[ii++] = *word++;
2157 tag[ii] = 0;
2158 while (*word == ' ')
2159 word++;
2160 call_account_func(user, tag);
2161 }
2162 break;
2163 case 'f':
2164 if (*word) {
2165 char host[MAXLEN];
2166 unsigned int ii;
2167 for (ii=0; (*word != ' ') && (*word != '\0'); )
2168 host[ii++] = *word++;
2169 host[ii] = 0;
2170 while (*word == ' ')
2171 word++;
2172 assign_fakehost(user, host, 0);
2173 }
2174 break;
2175 }
2176#undef do_user_mode
2177 }
2178}
2179
2180struct mod_chanmode *
2181mod_chanmode_parse(struct chanNode *channel, char **modes, unsigned int argc, unsigned int flags)
2182{
2183 struct mod_chanmode *change;
2184 unsigned int ii, in_arg, ch_arg, add;
2185
2186 if (argc == 0)
2187 return NULL;
2188 if (!(change = mod_chanmode_alloc(argc - 1)))
2189 return NULL;
2190
2191 for (ii = ch_arg = 0, in_arg = add = 1;
2192 (modes[0][ii] != '\0') && (modes[0][ii] != ' ');
2193 ++ii) {
2194 switch (modes[0][ii]) {
2195 case '+':
2196 add = 1;
2197 break;
2198 case '-':
2199 add = 0;
2200 break;
2201#define do_chan_mode(FLAG) do { if (add) change->modes_set |= (FLAG), change->modes_clear &= ~(FLAG); else change->modes_clear |= (FLAG), change->modes_set &= ~(FLAG); } while(0)
2202 case 'C': do_chan_mode(MODE_NOCTCPS); break;
2203 case 'D': do_chan_mode(MODE_DELAYJOINS); break;
2204 case 'c': do_chan_mode(MODE_NOCOLORS); break;
2205 case 'i': do_chan_mode(MODE_INVITEONLY); break;
2206 case 'm': do_chan_mode(MODE_MODERATED); break;
2207 case 'n': do_chan_mode(MODE_NOPRIVMSGS); break;
2208 case 'p': do_chan_mode(MODE_PRIVATE); break;
2209 case 'r': do_chan_mode(MODE_REGONLY); break;
2210 case 's': do_chan_mode(MODE_SECRET); break;
2211 case 't': do_chan_mode(MODE_TOPICLIMIT); break;
d0cb2fb6
AS		 2212 case 'S': do_chan_mode(MODE_STRIPCOLOR); break;
2213 case 'M': do_chan_mode(MODE_MODUNREG); break;
2214 case 'N': do_chan_mode(MODE_NONOTICE); break;
2215 case 'Q': do_chan_mode(MODE_NOQUITMSGS); break;
2216 case 'T': do_chan_mode(MODE_NOAMSG); break;
2217 case 'O': do_chan_mode(MODE_OPERSONLY); break;
2218// uncomment this when ssl is enabled on the network.
2219// case 'z': do_chan_mode(MODE_SSLONLY); break;
d76ed9a9
AS		 2220#undef do_chan_mode
2221 case 'l':
2222 if (add) {
2223 if (in_arg >= argc)
2224 goto error;
2225 change->modes_set |= MODE_LIMIT;
2226 change->new_limit = atoi(modes[in_arg++]);
2227 } else {
2228 change->modes_set &= ~MODE_LIMIT;
2229 change->modes_clear |= MODE_LIMIT;
2230 }
2231 break;
2232 case 'k':
2233 if (add) {
2234 if (in_arg >= argc)
2235 goto error;
2236 change->modes_set |= MODE_KEY;
2237 safestrncpy(change->new_key, modes[in_arg++], sizeof(change->new_key));
2238 } else {
2239 change->modes_clear |= MODE_KEY;
2240 if (!(flags & MCP_KEY_FREE)) {
2241 if (in_arg >= argc)
2242 goto error;
2243 in_arg++;
2244 }
2245 }
2246 break;
2247 case 'b':
2248 if (!(flags & MCP_ALLOW_OVB))
2249 goto error;
2250 if (in_arg >= argc)
2251 goto error;
2252 change->args[ch_arg].mode = MODE_BAN;
2253 if (!add)
2254 change->args[ch_arg].mode |= MODE_REMOVE;
2255 change->args[ch_arg++].hostmask = modes[in_arg++];
2256 break;
2aef5f4b 2257 case 'e':
2258 if (!(flags & MCP_ALLOW_OVB))
2259 goto error;
2260 if (in_arg >= argc)
2261 goto error;
2262 change->args[ch_arg].mode = MODE_EXEMPT;
2263 if (!add)
2264 change->args[ch_arg].mode |= MODE_REMOVE;
2265 change->args[ch_arg++].hostmask = modes[in_arg++];
2266 break;
55342ce8 2267 case 'o': case 'h': case 'v':
d76ed9a9
AS		 2268 {
2269 struct userNode *victim;
2270 if (!(flags & MCP_ALLOW_OVB))
2271 goto error;
2272 if (in_arg >= argc)
2273 goto error;
55342ce8 2274
2275 if (modes[0][ii] == 'o')
2276 change->args[ch_arg].mode = MODE_CHANOP;
2277 else if (modes[0][ii] == 'h')
2278 change->args[ch_arg].mode = MODE_HALFOP;
2279 else if (modes[0][ii] == 'v')
2280 change->args[ch_arg].mode = MODE_VOICE;
2281
d76ed9a9
AS		 2282 if (!add)
2283 change->args[ch_arg].mode |= MODE_REMOVE;
2284 if (flags & MCP_FROM_SERVER)
2285 victim = GetUserN(modes[in_arg++]);
2286 else
2287 victim = GetUserH(modes[in_arg++]);
2288 if (!victim)
2289 continue;
2290 if ((change->args[ch_arg].member = GetUserMode(channel, victim)))
2291 ch_arg++;
2292 break;
2293 }
2294 default:
2295 if (!(flags & MCP_FROM_SERVER))
2296 goto error;
2297 break;
2298 }
2299 }
2300 change->argc = ch_arg; /* in case any turned out to be ignored */
2301 if (change->modes_set & MODE_SECRET) {
2302 change->modes_set &= ~(MODE_PRIVATE);
2303 change->modes_clear |= MODE_PRIVATE;
2304 } else if (change->modes_set & MODE_PRIVATE) {
2305 change->modes_set &= ~(MODE_SECRET);
2306 change->modes_clear |= MODE_SECRET;
2307 }
2308 return change;
2309 error:
2310 mod_chanmode_free(change);
2311 return NULL;
2312}
2313
2314struct chanmode_buffer {
2315 char modes[MAXLEN];
2316 char args[MAXLEN];
2317 struct chanNode *channel;
2318 struct userNode *actor;
2319 unsigned int modes_used;
2320 unsigned int args_used;
2321 size_t chname_len;
2322 unsigned int is_add : 1;
2323 unsigned int is_chanop : 1;
2324};
2325
2326static void
2327mod_chanmode_append(struct chanmode_buffer *buf, char ch, const char *arg)
2328{
2329 size_t arg_len = strlen(arg);
2330 if (buf->modes_used > (MAXMODEPARAMS) ||
2331 buf->modes_used + buf->args_used + buf->chname_len + arg_len > 450) {
2332 memcpy(buf->modes + buf->modes_used, buf->args, buf->args_used);
2333 buf->modes[buf->modes_used + buf->args_used] = '\0';
2334 irc_mode((buf->is_chanop ? buf->actor : NULL), buf->channel, buf->modes);
2335 buf->modes[0] = buf->is_add ? '+' : '-';
2336 buf->modes_used = 1;
2337 buf->args_used = 0;
2338 }
2339 buf->modes[buf->modes_used++] = ch;
2340 buf->args[buf->args_used++] = ' ';
2341 memcpy(buf->args + buf->args_used, arg, arg_len);
2342 buf->args_used += arg_len;
2343}
2344
2345void
2346mod_chanmode_announce(struct userNode *who, struct chanNode *channel, struct mod_chanmode *change)
2347{
2348 struct chanmode_buffer chbuf;
2349 unsigned int arg;
2350 struct modeNode *mn;
2351 char int_buff[32], mode = '\0';
2352
2353 assert(change->argc <= change->alloc_argc);
2354 memset(&chbuf, 0, sizeof(chbuf));
2355 chbuf.channel = channel;
2356 chbuf.actor = who;
2357 chbuf.chname_len = strlen(channel->name);
2358
2359 mn = GetUserMode(channel, who);
2360 if ((mn && (mn->modes & MODE_CHANOP)) || off_channel)
2361 chbuf.is_chanop = 1;
2362
2363 /* First remove modes */
2364 chbuf.is_add = 0;
2365 if (change->modes_clear) {
2366 if (mode != '-')
2367 chbuf.modes[chbuf.modes_used++] = mode = '-';
2368#define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR
2369 DO_MODE_CHAR(PRIVATE, 'p');
2370 DO_MODE_CHAR(SECRET, 's');
2371 DO_MODE_CHAR(MODERATED, 'm');
2372 DO_MODE_CHAR(TOPICLIMIT, 't');
2373 DO_MODE_CHAR(INVITEONLY, 'i');
2374 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2375 DO_MODE_CHAR(LIMIT, 'l');
2376 DO_MODE_CHAR(DELAYJOINS, 'D');
2377 DO_MODE_CHAR(REGONLY, 'r');
2378 DO_MODE_CHAR(NOCOLORS, 'c');
2379 DO_MODE_CHAR(NOCTCPS, 'C');
d0cb2fb6
AS		 2380 DO_MODE_CHAR(STRIPCOLOR, 'S');
2381 DO_MODE_CHAR(MODUNREG, 'M');
2382 DO_MODE_CHAR(NONOTICE, 'N');
2383 DO_MODE_CHAR(NOQUITMSGS, 'Q');
2384 DO_MODE_CHAR(NOAMSG, 'T');
2385 DO_MODE_CHAR(OPERSONLY, 'O');
2386 // uncomment this for ssl support
2387 //DO_MODE_CHAR(SSLONLY, 'z');
d76ed9a9
AS		 2388#undef DO_MODE_CHAR
2389 if (change->modes_clear & channel->modes & MODE_KEY)
2390 mod_chanmode_append(&chbuf, 'k', channel->key);
2391 }
2392 for (arg = 0; arg < change->argc; ++arg) {
2393 if (!(change->args[arg].mode & MODE_REMOVE))
2394 continue;
2395 if (mode != '-')
2396 chbuf.modes[chbuf.modes_used++] = mode = '-';
2397 switch (change->args[arg].mode & ~MODE_REMOVE) {
2398 case MODE_BAN:
2399 mod_chanmode_append(&chbuf, 'b', change->args[arg].hostmask);
2400 break;
2aef5f4b 2401 case MODE_EXEMPT:
2402 mod_chanmode_append(&chbuf, 'e', change->args[arg].hostmask);
2403 break;
d76ed9a9
AS		 2404 default:
2405 if (change->args[arg].mode & MODE_CHANOP)
2406 mod_chanmode_append(&chbuf, 'o', change->args[arg].member->user->numeric);
55342ce8 2407 if (change->args[arg].mode & MODE_HALFOP)
2408 mod_chanmode_append(&chbuf, 'h', change->args[arg].member->user->numeric);
d76ed9a9
AS		 2409 if (change->args[arg].mode & MODE_VOICE)
2410 mod_chanmode_append(&chbuf, 'v', change->args[arg].member->user->numeric);
2411 break;
2412 }
2413 }
2414
2415 /* Then set them */
2416 chbuf.is_add = 1;
2417 if (change->modes_set) {
2418 if (mode != '+')
2419 chbuf.modes[chbuf.modes_used++] = mode = '+';
2420#define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR
2421 DO_MODE_CHAR(PRIVATE, 'p');
2422 DO_MODE_CHAR(SECRET, 's');
2423 DO_MODE_CHAR(MODERATED, 'm');
2424 DO_MODE_CHAR(TOPICLIMIT, 't');
2425 DO_MODE_CHAR(INVITEONLY, 'i');
2426 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2427 DO_MODE_CHAR(DELAYJOINS, 'D');
2428 DO_MODE_CHAR(REGONLY, 'r');
2429 DO_MODE_CHAR(NOCOLORS, 'c');
2430 DO_MODE_CHAR(NOCTCPS, 'C');
d0cb2fb6
AS		 2431 DO_MODE_CHAR(STRIPCOLOR, 'S');
2432 DO_MODE_CHAR(MODUNREG, 'M');
2433 DO_MODE_CHAR(NONOTICE, 'N');
2434 DO_MODE_CHAR(NOQUITMSGS, 'Q');
2435 DO_MODE_CHAR(NOAMSG, 'T');
2436 DO_MODE_CHAR(OPERSONLY, 'O');
2437 // uncomment this for ssl support
2438 //DO_MODE_CHAR(SSLONLY, 'z');
d76ed9a9
AS		 2439#undef DO_MODE_CHAR
2440 if(change->modes_set & MODE_KEY)
2441 mod_chanmode_append(&chbuf, 'k', change->new_key);
2442 if(change->modes_set & MODE_LIMIT) {
2443 sprintf(int_buff, "%d", change->new_limit);
2444 mod_chanmode_append(&chbuf, 'l', int_buff);
2445 }
2446 }
2447 for (arg = 0; arg < change->argc; ++arg) {
2448 if (change->args[arg].mode & MODE_REMOVE)
2449 continue;
2450 if (mode != '+')
2451 chbuf.modes[chbuf.modes_used++] = mode = '+';
2452 switch (change->args[arg].mode) {
2453 case MODE_BAN:
2454 mod_chanmode_append(&chbuf, 'b', change->args[arg].hostmask);
2455 break;
2aef5f4b 2456 case MODE_EXEMPT:
2457 mod_chanmode_append(&chbuf, 'e', change->args[arg].hostmask);
2458 break;
d76ed9a9
AS		 2459 default:
2460 if (change->args[arg].mode & MODE_CHANOP)
2461 mod_chanmode_append(&chbuf, 'o', change->args[arg].member->user->numeric);
55342ce8 2462 if (change->args[arg].mode & MODE_HALFOP)
2463 mod_chanmode_append(&chbuf, 'h', change->args[arg].member->user->numeric);
d76ed9a9
AS		 2464 if (change->args[arg].mode & MODE_VOICE)
2465 mod_chanmode_append(&chbuf, 'v', change->args[arg].member->user->numeric);
2466 break;
2467 }
2468 }
2469
2470 /* Flush the buffer and apply changes locally */
2471 if (chbuf.modes_used > 0) {
2472 memcpy(chbuf.modes + chbuf.modes_used, chbuf.args, chbuf.args_used);
2473 chbuf.modes[chbuf.modes_used + chbuf.args_used] = '\0';
2474 irc_mode((chbuf.is_chanop ? chbuf.actor : NULL), chbuf.channel, chbuf.modes);
2475 }
2476 mod_chanmode_apply(who, channel, change);
2477}
2478
2479char *
2480mod_chanmode_format(struct mod_chanmode *change, char *outbuff)
2481{
2482 unsigned int used = 0;
2483 assert(change->argc <= change->alloc_argc);
2484 if (change->modes_clear) {
2485 outbuff[used++] = '-';
2486#define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) outbuff[used++] = CHAR
2487 DO_MODE_CHAR(PRIVATE, 'p');
2488 DO_MODE_CHAR(SECRET, 's');
2489 DO_MODE_CHAR(MODERATED, 'm');
2490 DO_MODE_CHAR(TOPICLIMIT, 't');
2491 DO_MODE_CHAR(INVITEONLY, 'i');
2492 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2493 DO_MODE_CHAR(LIMIT, 'l');
2494 DO_MODE_CHAR(KEY, 'k');
2495 DO_MODE_CHAR(DELAYJOINS, 'D');
2496 DO_MODE_CHAR(REGONLY, 'r');
2497 DO_MODE_CHAR(NOCOLORS, 'c');
2498 DO_MODE_CHAR(NOCTCPS, 'C');
d0cb2fb6
AS		 2499 DO_MODE_CHAR(STRIPCOLOR, 'S');
2500 DO_MODE_CHAR(MODUNREG, 'M');
2501 DO_MODE_CHAR(NONOTICE, 'N');
2502 DO_MODE_CHAR(NOQUITMSGS, 'Q');
2503 DO_MODE_CHAR(NOAMSG, 'T');
2504 DO_MODE_CHAR(OPERSONLY, 'O');
2505 // uncomment this for ssl support
2506 //DO_MODE_CHAR(SSLONLY, 'z');
d76ed9a9
AS		 2507#undef DO_MODE_CHAR
2508 }
2509 if (change->modes_set) {
2510 outbuff[used++] = '+';
2511#define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) outbuff[used++] = CHAR
2512 DO_MODE_CHAR(PRIVATE, 'p');
2513 DO_MODE_CHAR(SECRET, 's');
2514 DO_MODE_CHAR(MODERATED, 'm');
2515 DO_MODE_CHAR(TOPICLIMIT, 't');
2516 DO_MODE_CHAR(INVITEONLY, 'i');
2517 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2518 DO_MODE_CHAR(DELAYJOINS, 'D');
2519 DO_MODE_CHAR(REGONLY, 'r');
2520 DO_MODE_CHAR(NOCOLORS, 'c');
2521 DO_MODE_CHAR(NOCTCPS, 'C');
d0cb2fb6
AS		 2522 DO_MODE_CHAR(STRIPCOLOR, 'S');
2523 DO_MODE_CHAR(MODUNREG, 'M');
2524 DO_MODE_CHAR(NONOTICE, 'N');
2525 DO_MODE_CHAR(NOQUITMSGS, 'Q');
2526 DO_MODE_CHAR(NOAMSG, 'T');
2527 DO_MODE_CHAR(OPERSONLY, 'O');
2528 // uncomment this for ssl support
2529 //DO_MODE_CHAR(SSLONLY, 'z');
d76ed9a9
AS		 2530#undef DO_MODE_CHAR
2531 switch (change->modes_set & (MODE_KEY|MODE_LIMIT)) {
2532 case MODE_KEY|MODE_LIMIT:
2533 used += sprintf(outbuff+used, "lk %d %s", change->new_limit, change->new_key);
2534 break;
2535 case MODE_KEY:
2536 used += sprintf(outbuff+used, "k %s", change->new_key);
2537 break;
2538 case MODE_LIMIT:
2539 used += sprintf(outbuff+used, "l %d", change->new_limit);
2540 break;
2541 }
2542 }
2543 outbuff[used] = 0;
2544 return outbuff;
2545}
2546
2547static int
2548clear_chanmode(struct chanNode *channel, const char *modes)
2549{
2550 unsigned int remove;
2551
2552 for (remove = 0; *modes; modes++) {
2553 switch (*modes) {
2554 case 'o': remove |= MODE_CHANOP; break;
55342ce8 2555 case 'h': remove |= MODE_HALFOP; break;
d76ed9a9
AS		 2556 case 'v': remove |= MODE_VOICE; break;
2557 case 'p': remove |= MODE_PRIVATE; break;
2558 case 's': remove |= MODE_SECRET; break;
2559 case 'm': remove |= MODE_MODERATED; break;
2560 case 't': remove |= MODE_TOPICLIMIT; break;
2561 case 'i': remove |= MODE_INVITEONLY; break;
2562 case 'n': remove |= MODE_NOPRIVMSGS; break;
2563 case 'k':
2564 remove |= MODE_KEY;
2565 channel->key[0] = '\0';
2566 break;
2567 case 'l':
2568 remove |= MODE_LIMIT;
2569 channel->limit = 0;
2570 break;
2571 case 'b': remove |= MODE_BAN; break;
2aef5f4b 2572 case 'e': remove |= MODE_EXEMPT; break;
d76ed9a9
AS		 2573 case 'D': remove |= MODE_DELAYJOINS; break;
2574 case 'r': remove |= MODE_REGONLY; break;
2575 case 'c': remove |= MODE_NOCOLORS;
2576 case 'C': remove |= MODE_NOCTCPS; break;
d0cb2fb6
AS		 2577 case 'S': remove |= MODE_STRIPCOLOR; break;
2578 case 'M': remove |= MODE_MODUNREG; break;
2579 case 'N': remove |= MODE_NONOTICE; break;
2580 case 'Q': remove |= MODE_NOQUITMSGS; break;
2581 case 'T': remove |= MODE_NOAMSG; break;
2582 case 'O': remove |= MODE_OPERSONLY; break;
d76ed9a9
AS		 2583 }
2584 }
2585
2586 if (!remove)
2587 return 1;
2588
2589 /* Remove simple modes. */
2590 channel->modes &= ~remove;
2591
2592 /* If removing bans, kill 'em all. */
2593 if ((remove & MODE_BAN) && channel->banlist.used) {
2594 unsigned int i;
2595 for (i=0; i<channel->banlist.used; i++)
2596 free(channel->banlist.list[i]);
2597 channel->banlist.used = 0;
2598 }
2599
2aef5f4b 2600 /* If removing exempts, kill 'em all. */
2601 if ((remove & MODE_EXEMPT) && channel->exemptlist.used) {
2602 unsigned int i;
2603 for (i=0; i<channel->exemptlist.used; i++)
2604 free(channel->exemptlist.list[i]);
2605 channel->exemptlist.used = 0;
2606 }
2607
d76ed9a9 2608 /* Remove member modes. */
55342ce8 2609 if ((remove & (MODE_CHANOP | MODE_HALFOP | MODE_VOICE)) && channel->members.used) {
2610 int mask = ~(remove & (MODE_CHANOP | MODE_HALFOP | MODE_VOICE));
d76ed9a9
AS		 2611 unsigned int i;
2612
2613 for (i = 0; i < channel->members.used; i++)
2614 channel->members.list[i]->modes &= mask;
2615 }
2616
2617 return 1;
2618}
2619
2620void
2621reg_privmsg_func(struct userNode *user, privmsg_func_t handler)
2622{
2623 unsigned int numeric = user->num_local;
2624 if (numeric >= num_privmsg_funcs) {
2625 int newnum = numeric + 8;
2626 privmsg_funcs = realloc(privmsg_funcs, newnum*sizeof(privmsg_func_t));
2627 memset(privmsg_funcs+num_privmsg_funcs, 0, (newnum-num_privmsg_funcs)*sizeof(privmsg_func_t));
2628 num_privmsg_funcs = newnum;
2629 }
2630 if (privmsg_funcs[numeric])
2631 log_module(MAIN_LOG, LOG_WARNING, "re-registering new privmsg handler for numeric %d", numeric);
2632 privmsg_funcs[numeric] = handler;
2633}
2634
2635void
2636unreg_privmsg_func(struct userNode *user, privmsg_func_t handler)
2637{
2638 unsigned int x;
2639
2640 if (!user || handler)
2641 return; /* this really only works with users */
2642
2643 memset(privmsg_funcs+user->num_local, 0, sizeof(privmsg_func_t));
2644
2645 for (x = user->num_local+1; x < num_privmsg_funcs; x++)
2646 memmove(privmsg_funcs+x-1, privmsg_funcs+x, sizeof(privmsg_func_t));
2647
2648 privmsg_funcs = realloc(privmsg_funcs, num_privmsg_funcs*sizeof(privmsg_func_t));
2649 num_privmsg_funcs--;
2650}
2651
2652
2653void
2654reg_notice_func(struct userNode *user, privmsg_func_t handler)
2655{
2656 unsigned int numeric = user->num_local;
2657 if (numeric >= num_notice_funcs) {
2658 int newnum = numeric + 8;
2659 notice_funcs = realloc(notice_funcs, newnum*sizeof(privmsg_func_t));
2660 memset(notice_funcs+num_notice_funcs, 0, (newnum-num_notice_funcs)*sizeof(privmsg_func_t));
2661 num_notice_funcs = newnum;
2662 }
2663 if (notice_funcs[numeric])
2664 log_module(MAIN_LOG, LOG_WARNING, "re-registering new notice handler for numeric %d", numeric);
2665 notice_funcs[numeric] = handler;
2666}
2667
2668void
2669unreg_notice_func(struct userNode *user, privmsg_func_t handler)
2670{
2671 unsigned int x;
2672
2673 if (!user || handler)
2674 return; /* this really only works with users */
2675
2676 memset(notice_funcs+user->num_local, 0, sizeof(privmsg_func_t));
2677
2678 for (x = user->num_local+1; x < num_notice_funcs; x++)
2679 memmove(notice_funcs+x-1, notice_funcs+x, sizeof(privmsg_func_t));
2680
2681 memset(notice_funcs+user->num_local, 0, sizeof(privmsg_func_t));
2682 notice_funcs = realloc(notice_funcs, num_notice_funcs*sizeof(privmsg_func_t));
2683 num_notice_funcs--;
2684}
2685
2686void
2687reg_oper_func(oper_func_t handler)
2688{
2689 if (of_used == of_size) {
2690 if (of_size) {
2691 of_size <<= 1;
2692 of_list = realloc(of_list, of_size*sizeof(oper_func_t));
2693 } else {
2694 of_size = 8;
2695 of_list = malloc(of_size*sizeof(oper_func_t));
2696 }
2697 }
2698 of_list[of_used++] = handler;
2699}
2700
2701static void
2702call_oper_funcs(struct userNode *user)
2703{
2704 unsigned int n;
2705 if (IsLocal(user))
2706 return;
2707 for (n=0; n<of_used; n++)
2708 of_list[n](user);
2709}
2710
2711static void
2712send_burst(void)
2713{
2714 unsigned int i, hop, max_hop=1;
2715 dict_iterator_t it;
2716
2717 /* burst (juped) servers, closest first (except self, which is sent already) */
2718 for (i=0; i<ArrayLength(servers_num); i++)
2719 if (servers_num[i] && servers_num[i]->hops > max_hop)
2720 max_hop = servers_num[i]->hops;
2721 for (hop=1; hop<=max_hop; hop++) {
2722 for (i=0;i<ArrayLength(servers_num);i++) {
2723 if (servers_num[i]
2724 && (servers_num[i]->hops == hop)
2725 && (servers_num[i] != self->uplink))
2726 irc_server(servers_num[i]);
2727 }
2728 }
2729
2730 /* burst local nicks */
2731 for (i=0; i<=self->num_mask; i++)
2732 if (self->users[i])
2733 irc_user(self->users[i]);
2734
2735 /* build dict of unbursted channel names (just copy existing channels) */
2736 unbursted_channels = dict_new();
2737 for (it = dict_first(channels); it; it = iter_next(it))
2738 dict_insert(unbursted_channels, iter_key(it), iter_data(it));
2739}
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