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Fixing executable bit on configure
[irc/evilnet/x3.git] / src / proto-p10.c
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d76ed9a9 1/* proto-p10.c - IRC protocol output
2 * Copyright 2000-2004 srvx Development Team
3 *
83ff05c3 4 * This file is part of x3.
d76ed9a9 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 100#define CMD_WALLUSERS "WALLUSERS"
101#define CMD_WALLVOICES "WALLVOICES"
55342ce8 102#define CMD_WALLHOPS "WALLHOPS"
d76ed9a9 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 184#define TOK_WALLUSERS "WU"
185#define TOK_WALLVOICES "WV"
55342ce8 186#define TOK_WALLHOPS "WH"
d76ed9a9 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 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 408 // sethost - reed/apples
409 // if (IsHelperIrcu(user))
410 if (IsSetHost(user))
d76ed9a9 411 modes[modelen++] = 'h';
182dd032 412 if (IsFakeHost(user))
413 modes[modelen++] = 'f';
d76ed9a9 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
b21e2cfe 428irc_account(struct userNode *user, const char *stamp, time_t timestamp)
d76ed9a9 429{
b21e2cfe 430 putsock("%s " P10_ACCOUNT " %s R %s %lu", self->numeric, user->numeric, stamp, timestamp);
d76ed9a9 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 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 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 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 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 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)
a32da4c7 824 irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, his_servername, his_servercomment);
d76ed9a9 825 else
a32da4c7 826 irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, who->uplink->name, who->uplink->description);
827 if (IsOper(who))
d76ed9a9 828 irc_numeric(from, RPL_WHOISOPERATOR, "%s :is a megalomaniacal power hungry tyrant", who->nick);
d76ed9a9 829 irc_numeric(from, RPL_ENDOFWHOIS, "%s :End of /WHOIS list", who->nick);
830 return 1;
831}
832
833static CMD_FUNC(cmd_server)
834{
835 struct server *srv;
836 const char *str;
837
838 if (argc < 8)
839 return 0;
a32da4c7 840 if (self->uplink) {
d76ed9a9 841 /* another server introduced us */
842 srv = AddServer(GetServerH(origin), argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), argv[6], argv[argc-1]);
843 if (!srv)
844 return 0;
845 srv->self_burst = argv[5][0] == 'J';
846 srv->burst = 1;
847 } else {
848 /* this must be our uplink */
849 srv = self->uplink = AddServer(self, argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), argv[6], argv[argc-1]);
850 if (!srv)
851 return 0;
852 srv->self_burst = argv[5][0] == 'J';
853 srv->burst = 1;
854 if ((argv[7][0] == '+') && !force_n2k) {
855 log_module(MAIN_LOG, LOG_WARNING, "Got Undernet-style SERVER message but \"force_n2k\" not on.");
856 }
857 send_burst();
858 }
859
860 /* Fix up our timestamps if necessary. */
861 if (srv->boot <= PREHISTORY) {
862 /* Server from the mists of time.. */
863 if (srv->hops == 1) {
864 log_module(MAIN_LOG, LOG_ERROR, "Server %s claims to have booted at time "FMT_TIME_T". This is absurd.", srv->name, srv->boot);
865 }
866 } else if ((str = conf_get_data("server/reliable_clock", RECDB_QSTRING))
867 && enabled_string(str)) {
868 /* If we have a reliable clock, we just keep our current time. */
869 } else {
870 if (srv->boot <= self->boot) {
871 /* The other server is older than us. Accept their timestamp.
872 * Alternately, we are same age, but we accept their time
873 * since we are linking to them. */
874 self->boot = srv->boot;
875 ioset_set_time(srv->link);
876 }
877 }
878 if (srv == self->uplink) {
879 extern time_t burst_begin;
880 burst_begin = now;
881 }
882 return 1;
883}
884
885static CMD_FUNC(cmd_eob)
886{
887 struct server *sender;
888 dict_iterator_t it;
889 unsigned int ii;
890
891 if (!(sender = GetServerH(origin)))
892 return 0;
893 if (sender == self->uplink) {
894 cManager.uplink->state = CONNECTED;
895 for (it = dict_first(unbursted_channels); it; it = iter_next(it))
896 irc_burst(iter_data(it));
897 dict_delete(unbursted_channels);
898 unbursted_channels = NULL;
899 irc_eob();
900 irc_eob_ack();
901 }
902 sender->self_burst = 0;
903 recalc_bursts(sender);
904 for (ii=0; ii<slf_used; ii++)
905 slf_list[ii](sender);
906 return 1;
907}
908
909static CMD_FUNC(cmd_eob_ack)
910{
911 extern time_t burst_begin;
912
913 if (GetServerH(origin) == self->uplink) {
914 burst_length = now - burst_begin;
915 self->self_burst = self->burst = 0;
916 }
917 cManager.uplink->state = CONNECTED;
918 return 1;
919}
920
921static CMD_FUNC(cmd_ping)
922{
923 struct server *srv;
924 struct userNode *un;
925
926 if(argc > 3)
927 irc_pong(argv[2], argv[1]);
928 else if ((srv = GetServerH(origin)))
929 irc_pong(self->name, srv->numeric);
930 else if ((un = GetUserH(origin)))
931 irc_pong(self->name, un->numeric);
932 else
933 irc_pong(self->name, origin);
934
935 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
936 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
937 timeq_add(now + ping_freq, timed_send_ping, 0);
938 received_ping();
939 return 1;
940}
941
942static CMD_FUNC(cmd_error_nick)
943{
944 /* Go back to original IRC length .. and try to reconnect :/ */
945 change_nicklen(9);
946 irc_squit(self, "Got erroneous nickname, truncating nicks.", NULL);
947 return 1;
948}
949
950struct create_desc {
951 struct userNode *user;
952 time_t when;
953};
954
955static void
956join_helper(struct chanNode *chan, void *data)
957{
958 struct create_desc *cd = data;
959 AddChannelUser(cd->user, chan);
960}
961
962static void
963create_helper(char *name, void *data)
964{
965 struct create_desc *cd = data;
966
967 if (!strcmp(name, "0")) {
968 while (cd->user->channels.used > 0)
969 DelChannelUser(cd->user, cd->user->channels.list[0]->channel, 0, 0);
970 return;
971 }
972
2aef5f4b 973 AddChannelUser(cd->user, AddChannel(name, cd->when, NULL, NULL, NULL));
d76ed9a9 974}
975
976static CMD_FUNC(cmd_create)
977{
978 struct create_desc cd;
979 struct userNode *user;
980
981 if ((argc < 3) || !(user = GetUserH(origin)))
982 return 0;
983 cd.user = user;
984 cd.when = atoi(argv[2]);
985 parse_foreach(argv[1], join_helper, create_helper, NULL, NULL, &cd);
986 return 1;
987}
988
989static CMD_FUNC(cmd_join)
990{
991 struct create_desc cd;
992
993 if (!(cd.user = GetUserH(origin)))
994 return 0;
995 if (argc < 2)
996 return 0;
997 else if (argc < 3)
998 cd.when = now;
999 else
1000 cd.when = atoi(argv[2]);
1001 parse_foreach(argv[1], join_helper, create_helper, NULL, NULL, &cd);
1002 return 1;
1003}
1004
1005static CMD_FUNC(cmd_pong)
1006{
1007 if (argc < 3)
1008 return 0;
1009 if (!strcmp(argv[2], self->name)) {
1010 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1011 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1012 timeq_add(now + ping_freq, timed_send_ping, 0);
1013 received_ping();
1014 }
1015 return 1;
1016}
1017
1018static CMD_FUNC(cmd_nick)
1019{
1020 struct userNode *user;
1021 if ((user = GetUserH(origin))) {
1022 /* nick change (since the source is a user numeric) */
1023 if (argc < 2)
1024 return 0;
1025 NickChange(user, argv[1], 1);
1026 } else {
1027 struct server *serv;
1028 char modes[MAXLEN];
1029 /* new nick */
1030 if (argc < 9)
1031 return 0;
1032 serv = GetServerH(origin);
1033 if (argc > 9)
1034 unsplit_string(argv+6, argc-9, modes);
1035 else
1036 strcpy(modes, "+");
1037 AddUser(serv, argv[1], argv[4], argv[5], modes, argv[argc-2], argv[argc-1], atoi(argv[3]), argv[argc-3]);
1038 }
1039 return 1;
1040}
1041
1042static CMD_FUNC(cmd_account)
1043{
1044 struct userNode *user;
d9cd0e9d 1045 struct server *server;
b21e2cfe 1046 struct handle_info *hi;
d76ed9a9 1047
d9cd0e9d 1048 if ((argc < 3) || !origin || !(server = GetServerH(origin)))
d76ed9a9 1049 return 0; /* Origin must be server. */
d9cd0e9d 1050
1051 /* This next line appears to tremple origin.. why? */
d76ed9a9 1052 user = GetUserN(argv[1]);
1053 if (!user)
1054 return 1; /* A QUIT probably passed the ACCOUNT. */
d9cd0e9d 1055
1056 if(!strcmp(argv[2],"C"))
1057 {
b21e2cfe 1058 if((hi = loc_auth(argv[4], argv[5])))
d9cd0e9d 1059 {
1060 /* Return a AC A */
b21e2cfe 1061 putsock("%s " P10_ACCOUNT " %s A %s %lu", self->numeric, server->numeric , argv[3], hi->registered);
d9cd0e9d 1062
1063 }
1064 else
1065 {
1066 /* Return a AC D */
1067 putsock("%s " P10_ACCOUNT " %s D %s", self->numeric, server->numeric , argv[3]);
1068 }
1069 return 1;
1070 }
1071 else if(!strcmp(argv[2],"R"))
1072 call_account_func(user, argv[3]);
1073 else
1074 call_account_func(user, argv[2]); /* For backward compatability */
d76ed9a9 1075 return 1;
1076}
1077
1078static CMD_FUNC(cmd_fakehost)
1079{
1080 struct userNode *user;
1081
1082 if ((argc < 3) || !origin || !GetServerH(origin))
1083 return 0;
1084 if (!(user = GetUserN(argv[1])))
1085 return 1;
1086 assign_fakehost(user, argv[2], 0);
1087 return 1;
1088}
1089
1090static CMD_FUNC(cmd_burst)
1091{
1092 extern int rel_age;
2aef5f4b 1093 char modes[MAXLEN], *members = "";
1094 static char exemptlist[MAXLEN], banlist[MAXLEN];
a32da4c7 1095 unsigned int next = 3, res = 1;
2aef5f4b 1096 int ctype = 0, echeck = 0, bcheck = 0;
d76ed9a9 1097 struct chanNode *cNode;
1098 struct userNode *un;
1099 struct modeNode *mNode;
1100 long mode;
1101 char *user, *end, sep;
1102 time_t in_timestamp;
2aef5f4b 1103 char* parm = NULL;
d76ed9a9 1104
1105 if (argc < 3)
1106 return 0;
1107 modes[0] = 0;
2aef5f4b 1108
1109 exemptlist[0] = 0;
1110 banlist[0] = 0;
1111
d76ed9a9 1112 while (next < argc) {
1113 switch (argv[next][0]) {
1114 case '+': {
1115 const char *pos;
1116 int n_modes;
a32da4c7 1117 for (pos=argv[next], n_modes = 1; *pos; pos++)
d76ed9a9 1118 if ((*pos == 'k') || (*pos == 'l'))
1119 n_modes++;
1120 unsplit_string(argv+next, n_modes, modes);
1121 next += n_modes;
1122 break;
1123 }
2aef5f4b 1124 case '%': {
1125 for(parm = mysep(&argv[next], " "); /* parm = first param */
1126 parm; /* While param is not null */
1127 parm = mysep(&argv[next], " ") /* parm = next param */
1128 )
1129 {
1130 switch (parm[0]) {
1131 case '%': {
1132 ctype = 1;
1133 break;
1134 }
1135 case '~': {
1136 ctype = 2;
1137 break;
1138 }
1139 default: {
1140 break;
1141 }
1142 }
1143 if (ctype == 1) {
1144 if (bcheck == 0) {
1145 /* strip % char off start of very first ban */
1146 strncat(banlist, strtok(parm, "%"), sizeof(banlist) - 1 - strlen(banlist));
1147 strncat(banlist, " ", sizeof(banlist) - 1 - strlen(banlist));
1148 bcheck = 1;
1149 } else {
1150 strncat(banlist, parm, sizeof(banlist) - 1 - strlen(banlist));
1151 strncat(banlist, " ", sizeof(banlist) - 1 - strlen(banlist));
1152 }
1153 } else if (ctype == 2) {
1154 if (echeck == 0) {
1155 echeck = 1;
1156 } else {
1157 strncat(exemptlist, parm, sizeof(exemptlist) - 1 - strlen(exemptlist));
1158 strncat(exemptlist, " ", sizeof(exemptlist) - 1 - strlen(exemptlist));
1159 }
1160 }
1161 }
1162 next++;
1163 break;
1164 }
a32da4c7 1165 default: members = argv[next++]; break;
2aef5f4b 1166 }
d76ed9a9 1167 }
1168
1169 in_timestamp = atoi(argv[2]);
1170 if ((cNode = dict_find(unbursted_channels, argv[1], NULL))) {
1171 cNode->timestamp = in_timestamp;
1172 dict_remove(unbursted_channels, cNode->name);
1173 irc_burst(cNode);
1174 }
2aef5f4b 1175 cNode = AddChannel(argv[1], in_timestamp, modes, banlist, exemptlist);
1176
a32da4c7 1177 /* Burst channel members in now. */
d76ed9a9 1178 for (user = members, sep = *members, mode = 0; sep; user = end) {
1179 for (end = user + 3; isalnum(*end) || *end == '[' || *end == ']'; end++) ;
1180 sep = *end++; end[-1] = 0;
1181 if (sep == ':') {
1182 mode = 0;
1183 while ((sep = *end++)) {
1184 if (sep == 'o')
1185 mode |= MODE_CHANOP;
55342ce8 1186 else if (sep == 'h')
1187 mode |= MODE_HALFOP;
d76ed9a9 1188 else if (sep == 'v')
1189 mode |= MODE_VOICE;
1117fc5a 1190 else if (isdigit(sep)) {
1191 mode |= MODE_CHANOP;
1192 while (isdigit(*end)) end++;
1193 } else
d76ed9a9 1194 break;
1195 }
1196 if (rel_age < 0)
1197 mode = 0;
1198 }
1199 if (!(un = GetUserN(user))) {
1200 res = 0;
1201 continue;
1202 }
1203 if ((mNode = AddChannelUser(un, cNode)))
1204 mNode->modes = mode;
1205 }
1206
1207 return res;
1208}
1209
1210static CMD_FUNC(cmd_mode)
1211{
1212 struct chanNode *cn;
1213 struct userNode *un;
182dd032 1214 char *sethost; // sethost - reed/apples
1215 int i; // sethost - reed/apples
d76ed9a9 1216
1217 if (argc < 3)
1218 return 0;
1219 if (!IsChannelName(argv[1])) {
1220 un = GetUserH(argv[1]);
1221 if (!un) {
1222 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s whose mode is changing.", argv[1]);
1223 return 0;
1224 }
182dd032 1225 // sethost - reed/apples
1226 if (argc == 3)
d76ed9a9 1227 mod_usermode(un, argv[2]);
182dd032 1228 else {
1229 sethost = malloc(strlen(argv[2]) + 1 + strlen(argv[3]) + 1);
1230 i = 0;
1231 while((sethost[i++] = *argv[2]++));
1232 i--;
1233 sethost[i++] = ' ';
1234 while((sethost[i++] = *argv[3]++));
1235 mod_usermode(un, sethost); // sethost - reed/apples
1236 }
1237
d76ed9a9 1238 return 1;
1239 }
1240
1241 if (!(cn = GetChannel(argv[1]))) {
1242 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1243 return 0;
1244 }
1245 if ((un = GetUserH(origin))) {
1246 struct modeNode *mn;
1247 /* Update idle time for person setting the mode */
1248 if ((mn = GetUserMode(cn, un)))
1249 mn->idle_since = now;
1250 } else {
1251 /* If it came from a server, reset timestamp to re-sync. */
1252 cn->timestamp = atoi(argv[argc-1]);
1253 }
1254
1255 return mod_chanmode(un, cn, argv+2, argc-2, MCP_ALLOW_OVB|MCP_FROM_SERVER|(un ? MC_NOTIFY : 0));
1256}
1257
1258static CMD_FUNC(cmd_opmode)
1259{
1260 struct chanNode *cn;
1261 struct userNode *un;
1262
1263 if (argc < 3)
1264 return 0;
1265
1266 if (!(cn = GetChannel(argv[1]))) {
1267 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1268 return 0;
1269 }
1270 if (!(un = GetUserH(origin))) {
1271 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s requesting OPMODE.", origin);
1272 return 0;
1273 }
1274 if (!IsOper(un)) {
1275 log_module(MAIN_LOG, LOG_ERROR, "Non-privileged user %s using OPMODE.", un->nick);
1276 return 0;
1277 }
1278
1279 return mod_chanmode(un, cn, argv+2, argc-2, MCP_ALLOW_OVB|MCP_FROM_SERVER); /* do NOT announce opmode locally */
1280}
1281
1282static int clear_chanmode(struct chanNode *channel, const char *modes);
1283
1284static CMD_FUNC(cmd_clearmode)
1285{
1286 struct chanNode *cn;
1287 struct userNode *un;
1288
1289 if (argc < 3)
1290 return 0;
1291
1292 if (!(cn = GetChannel(argv[1]))) {
1293 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1294 return 0;
1295 }
1296 if (!(un = GetUserH(origin))) {
1297 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s requesting CLEARMODE.", origin);
1298 return 0;
1299 }
1300 if (!IsOper(un)) {
1301 log_module(MAIN_LOG, LOG_ERROR, "Non-privileged user %s using CLEARMODE.", un->nick);
1302 return 0;
1303 }
1304
1305 return clear_chanmode(cn, argv[2]);
1306}
1307
1308static CMD_FUNC(cmd_topic)
1309{
1310 struct chanNode *cn;
1311 time_t chan_ts, topic_ts;
1312
1313 if (argc < 3)
1314 return 0;
1315 if (!(cn = GetChannel(argv[1]))) {
1316 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose topic is being set", argv[1]);
1317 return 0;
1318 }
1319 if (argc >= 5) {
1320 /* Looks like an Asuka style topic burst. */
1321 chan_ts = atoi(argv[2]);
1322 topic_ts = atoi(argv[3]);
1323 } else {
1324 chan_ts = cn->timestamp;
1325 topic_ts = now;
1326 }
1327 SetChannelTopic(cn, GetUserH(origin), argv[argc-1], 0);
1328 cn->topic_time = topic_ts;
1329 return 1;
1330}
1331
1332static CMD_FUNC(cmd_num_topic)
1333{
1334 struct chanNode *cn;
1335
1336 if (!argv[0])
1337 return 0; /* huh? */
1338 if (argv[2]) {
1339 cn = GetChannel(argv[2]);
1340 if (!cn) {
1341 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s in topic reply", argv[2]);
1342 return 0;
1343 }
1344 } else
1345 return 0;
1346
1347 switch (atoi(argv[0])) {
1348 case 331:
1349 cn->topic_time = 0;
1350 break; /* no topic */
1351 case 332:
1352 if (argc < 4)
1353 return 0;
1354 safestrncpy(cn->topic, unsplit_string(argv+3, argc-3, NULL), sizeof(cn->topic));
1355 break;
1356 case 333:
1357 if (argc < 5)
1358 return 0;
1359 safestrncpy(cn->topic_nick, argv[3], sizeof(cn->topic_nick));
1360 cn->topic_time = atoi(argv[4]);
1361 break;
1362 default:
1363 return 0; /* should never happen */
1364 }
1365 return 1;
1366}
1367
1368static CMD_FUNC(cmd_num_gline)
1369{
1370 if (argc < 6)
1371 return 0;
1372 gline_add(origin, argv[3], atoi(argv[4])-now, argv[5], now, 0);
1373 return 1;
1374}
1375
1376static CMD_FUNC(cmd_quit)
1377{
1378 struct userNode *user;
1379 if (argc < 2)
1380 return 0;
1381 /* Sometimes we get a KILL then a QUIT or the like, so we don't want to
1382 * call DelUser unless we have the user in our grasp. */
1383 if ((user = GetUserH(origin)))
1384 DelUser(user, NULL, false, argv[1]);
1385 return 1;
1386}
1387
1388static CMD_FUNC(cmd_kill)
1389{
1390 struct userNode *user;
1391 if (argc < 2)
1392 return 0;
1393 user = GetUserN(argv[1]);
1394 if (!user) {
1395 /* If we get a KILL for a non-existent user, it could be a
1396 * Ghost response to a KILL we sent out earlier. So we only
1397 * whine if the target is local.
1398 */
1399 if (!strncmp(argv[1], self->numeric, strlen(self->numeric)))
1400 log_module(MAIN_LOG, LOG_ERROR, "Unable to find kill victim %s", argv[1]);
1401 return 0;
1402 }
1403
1404 if (IsLocal(user) && IsService(user)) {
1405 /* TODO: rate limit this so silly things don't happen. */
1406 ReintroduceUser(user);
1407 return 1;
1408 }
1409
1410 DelUser(user, NULL, false, argv[2]);
1411 return 1;
1412}
1413
1414static CMD_FUNC(cmd_part)
1415{
1416 struct userNode *user;
1417
1418 if (argc < 2)
1419 return 0;
1420 user = GetUserH(origin);
1421 if (!user)
1422 return 0;
1423 parse_foreach(argv[1], part_helper, NULL, NULL, NULL, user);
1424 return 1;
1425}
1426
1427static CMD_FUNC(cmd_kick)
1428{
1429 if (argc < 3)
1430 return 0;
1431 ChannelUserKicked(GetUserH(origin), GetUserN(argv[2]), GetChannel(argv[1]));
1432 return 1;
1433}
1434
1435static CMD_FUNC(cmd_squit)
1436{
1437 struct server *server;
1438
1439 if (argc < 4)
1440 return 0;
1441 if (!(server = GetServerH(argv[1])))
1442 return 0;
1443
1444 if (server == self->uplink) {
1445 /* Force a reconnect to the currently selected server. */
1446 cManager.uplink->tries = 0;
1447 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", argv[3]);
1448 close_socket();
1449 return 1;
1450 }
1451
1452 DelServer(server, 0, argv[3]);
1453 return 1;
1454}
1455
1456static CMD_FUNC(cmd_privmsg)
1457{
1458 struct privmsg_desc pd;
1459 if (argc != 3)
1460 return 0;
1461 pd.user = GetUserH(origin);
1462 if (!pd.user || (IsGagged(pd.user) && !IsOper(pd.user)))
1463 return 1;
1464 pd.is_notice = 0;
1465 pd.text = argv[2];
1466 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
1467 return 1;
1468}
1469
1470static CMD_FUNC(cmd_notice)
1471{
1472 struct privmsg_desc pd;
1473 if (argc != 3)
1474 return 0;
1475 pd.user = GetUserH(origin);
1476 if (!pd.user || (IsGagged(pd.user) && !IsOper(pd.user)))
1477 return 1;
1478 pd.is_notice = 1;
1479 pd.text = argv[2];
1480 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
1481 return 1;
1482}
1483
1484static CMD_FUNC(cmd_away)
1485{
1486 struct userNode *uNode;
1487
1488 uNode = GetUserH(origin);
1489 if (!uNode)
1490 return 1;
1491 if (argc < 2)
1492 uNode->modes &= ~FLAGS_AWAY;
1493 else
1494 uNode->modes |= FLAGS_AWAY;
1495 return 1;
1496}
1497
1498static CMD_FUNC(cmd_gline)
1499{
1500 if (argc < 3)
1501 return 0;
1502 if (argv[2][0] == '+') {
1503 if (argc < 5)
1504 return 0;
1505 gline_add(origin, argv[2]+1, strtoul(argv[3], NULL, 0), argv[argc-1], now, 0);
1506 return 1;
1507 } else if (argv[2][0] == '-') {
1508 gline_remove(argv[2]+1, 0);
1509 return 1;
1510 } else
1511 return 0;
1512}
1513
1514static CMD_FUNC(cmd_svsnick)
1515{
1516 struct userNode *target, *dest;
1517 if ((argc < 4)
1518 || !(target = GetUserN(argv[1]))
1519 || !IsLocal(target)
1520 || (dest = GetUserH(argv[2])))
1521 return 0;
1522 NickChange(target, argv[2], 0);
1523 return 1;
1524}
1525
1526static oper_func_t *of_list;
1527static unsigned int of_size = 0, of_used = 0;
1528
1529void
1530free_user(struct userNode *user)
1531{
1532 free(user->nick);
1533 free(user);
1534}
1535
1536static void
1537parse_cleanup(void)
1538{
1539 unsigned int nn;
1540 free(of_list);
1541 free(privmsg_funcs);
1542 free(notice_funcs);
1543 free(mcf_list);
1544 dict_delete(irc_func_dict);
1545 for (nn=0; nn<dead_users.used; nn++)
1546 free_user(dead_users.list[nn]);
1547 userList_clean(&dead_users);
1548}
1549
1550static void
1551p10_conf_reload(void) {
1552 hidden_host_suffix = conf_get_data("server/hidden_host", RECDB_QSTRING);
1553}
1554
1555static void
1556remove_unbursted_channel(struct chanNode *cNode) {
1557 if (unbursted_channels)
1558 dict_remove(unbursted_channels, cNode->name);
1559}
1560
1561void
1562init_parse(void)
1563{
1564 const char *str, *desc;
1565 int numnick, usermask, max_users;
1566 char numer[COMBO_NUMERIC_LEN+1];
1567
1568 /* read config items */
1569 str = conf_get_data("server/ping_freq", RECDB_QSTRING);
1570 ping_freq = str ? ParseInterval(str) : 120;
1571 str = conf_get_data("server/ping_timeout", RECDB_QSTRING);
1572 ping_timeout = str ? ParseInterval(str) : 30;
1573 str = conf_get_data("server/force_n2k", RECDB_QSTRING);
1574 force_n2k = str ? enabled_string(str) : 1;
1575 str = conf_get_data("server/numeric", RECDB_QSTRING);
1576 if (!str) {
1577 log_module(MAIN_LOG, LOG_ERROR, "No server/numeric entry in config file.");
1578 exit(1);
1579 }
1580 numnick = atoi(str);
1581 str = conf_get_data("server/max_users", RECDB_QSTRING);
1582 max_users = str ? atoi(str) : 4096;
1583 for (usermask = 4; usermask < max_users; usermask <<= 1) ;
1584 usermask--;
1585 if ((numnick < 64) && (usermask < 4096) && !force_n2k)
1586 inttobase64(numer, (numnick << 12) + (usermask & 0x00fff), 3);
1587 else
1588 inttobase64(numer, (numnick << 18) + (usermask & 0x3ffff), 5);
1589
1590 str = conf_get_data("server/his_servername", RECDB_QSTRING);
1591 his_servername = str ? strdup(str) : NULL;
1592 str = conf_get_data("server/his_servercomment", RECDB_QSTRING);
1593 his_servercomment = str ? strdup(str) : NULL;
1594
1595 str = conf_get_data("server/hostname", RECDB_QSTRING);
1596 desc = conf_get_data("server/description", RECDB_QSTRING);
1597 if (!str || !desc) {
1598 log_module(MAIN_LOG, LOG_ERROR, "No server/hostname entry in config file.");
1599 exit(1);
1600 }
1601 self = AddServer(NULL, str, 0, boot_time, now, numer, desc);
1602 conf_register_reload(p10_conf_reload);
1603
1604 irc_func_dict = dict_new();
1605 dict_insert(irc_func_dict, CMD_BURST, cmd_burst);
1606 dict_insert(irc_func_dict, TOK_BURST, cmd_burst);
1607 dict_insert(irc_func_dict, CMD_CREATE, cmd_create);
1608 dict_insert(irc_func_dict, TOK_CREATE, cmd_create);
1609 dict_insert(irc_func_dict, CMD_EOB, cmd_eob);
1610 dict_insert(irc_func_dict, TOK_EOB, cmd_eob);
1611 dict_insert(irc_func_dict, CMD_EOB_ACK, cmd_eob_ack);
1612 dict_insert(irc_func_dict, TOK_EOB_ACK, cmd_eob_ack);
1613 dict_insert(irc_func_dict, CMD_MODE, cmd_mode);
1614 dict_insert(irc_func_dict, TOK_MODE, cmd_mode);
1615 dict_insert(irc_func_dict, CMD_NICK, cmd_nick);
1616 dict_insert(irc_func_dict, TOK_NICK, cmd_nick);
1617 dict_insert(irc_func_dict, CMD_ACCOUNT, cmd_account);
1618 dict_insert(irc_func_dict, TOK_ACCOUNT, cmd_account);
1619 dict_insert(irc_func_dict, CMD_FAKEHOST, cmd_fakehost);
1620 dict_insert(irc_func_dict, TOK_FAKEHOST, cmd_fakehost);
1621 dict_insert(irc_func_dict, CMD_PASS, cmd_pass);
1622 dict_insert(irc_func_dict, TOK_PASS, cmd_pass);
1623 dict_insert(irc_func_dict, CMD_PING, cmd_ping);
1624 dict_insert(irc_func_dict, TOK_PING, cmd_ping);
1625 dict_insert(irc_func_dict, CMD_PRIVMSG, cmd_privmsg);
1626 dict_insert(irc_func_dict, TOK_PRIVMSG, cmd_privmsg);
1627 dict_insert(irc_func_dict, CMD_PONG, cmd_pong);
1628 dict_insert(irc_func_dict, TOK_PONG, cmd_pong);
1629 dict_insert(irc_func_dict, CMD_QUIT, cmd_quit);
1630 dict_insert(irc_func_dict, TOK_QUIT, cmd_quit);
1631 dict_insert(irc_func_dict, CMD_SERVER, cmd_server);
1632 dict_insert(irc_func_dict, TOK_SERVER, cmd_server);
1633 dict_insert(irc_func_dict, CMD_JOIN, cmd_join);
1634 dict_insert(irc_func_dict, TOK_JOIN, cmd_join);
1635 dict_insert(irc_func_dict, CMD_PART, cmd_part);
1636 dict_insert(irc_func_dict, TOK_PART, cmd_part);
1637 dict_insert(irc_func_dict, CMD_ERROR, cmd_error);
1638 dict_insert(irc_func_dict, TOK_ERROR, cmd_error);
1639 dict_insert(irc_func_dict, CMD_TOPIC, cmd_topic);
1640 dict_insert(irc_func_dict, TOK_TOPIC, cmd_topic);
1641 dict_insert(irc_func_dict, CMD_AWAY, cmd_away);
1642 dict_insert(irc_func_dict, TOK_AWAY, cmd_away);
1643 dict_insert(irc_func_dict, CMD_SILENCE, cmd_dummy);
1644 dict_insert(irc_func_dict, TOK_SILENCE, cmd_dummy);
1645 dict_insert(irc_func_dict, CMD_KICK, cmd_kick);
1646 dict_insert(irc_func_dict, TOK_KICK, cmd_kick);
1647 dict_insert(irc_func_dict, CMD_SQUIT, cmd_squit);
1648 dict_insert(irc_func_dict, TOK_SQUIT, cmd_squit);
1649 dict_insert(irc_func_dict, CMD_KILL, cmd_kill);
1650 dict_insert(irc_func_dict, TOK_KILL, cmd_kill);
1651 dict_insert(irc_func_dict, CMD_NOTICE, cmd_notice);
1652 dict_insert(irc_func_dict, TOK_NOTICE, cmd_notice);
1653 dict_insert(irc_func_dict, CMD_STATS, cmd_stats);
1654 dict_insert(irc_func_dict, TOK_STATS, cmd_stats);
1655 dict_insert(irc_func_dict, CMD_SVSNICK, cmd_svsnick);
1656 dict_insert(irc_func_dict, TOK_SVSNICK, cmd_svsnick);
1657 dict_insert(irc_func_dict, CMD_WHOIS, cmd_whois);
1658 dict_insert(irc_func_dict, TOK_WHOIS, cmd_whois);
1659 dict_insert(irc_func_dict, CMD_GLINE, cmd_gline);
1660 dict_insert(irc_func_dict, TOK_GLINE, cmd_gline);
1661 dict_insert(irc_func_dict, CMD_OPMODE, cmd_opmode);
1662 dict_insert(irc_func_dict, TOK_OPMODE, cmd_opmode);
1663 dict_insert(irc_func_dict, CMD_CLEARMODE, cmd_clearmode);
1664 dict_insert(irc_func_dict, TOK_CLEARMODE, cmd_clearmode);
1665 dict_insert(irc_func_dict, CMD_VERSION, cmd_version);
1666 dict_insert(irc_func_dict, TOK_VERSION, cmd_version);
1667 dict_insert(irc_func_dict, CMD_ADMIN, cmd_admin);
1668 dict_insert(irc_func_dict, TOK_ADMIN, cmd_admin);
1669
1670 /* In P10, DESTRUCT doesn't do anything except be broadcast to servers.
1671 * Apparently to obliterate channels from any servers that think they
1672 * exist?
1673 */
1674 dict_insert(irc_func_dict, CMD_DESTRUCT, cmd_dummy);
1675 dict_insert(irc_func_dict, TOK_DESTRUCT, cmd_dummy);
1676 /* Ignore invites */
1677 dict_insert(irc_func_dict, CMD_INVITE, cmd_dummy);
1678 dict_insert(irc_func_dict, TOK_INVITE, cmd_dummy);
1679 /* DESYNCH is just informational, so ignore it */
1680 dict_insert(irc_func_dict, CMD_DESYNCH, cmd_dummy);
1681 dict_insert(irc_func_dict, TOK_DESYNCH, cmd_dummy);
1682 /* Ignore channel operator notices. */
1683 dict_insert(irc_func_dict, CMD_WALLCHOPS, cmd_dummy);
1684 dict_insert(irc_func_dict, TOK_WALLCHOPS, cmd_dummy);
1685 dict_insert(irc_func_dict, CMD_WALLVOICES, cmd_dummy);
1686 dict_insert(irc_func_dict, TOK_WALLVOICES, cmd_dummy);
55342ce8 1687 dict_insert(irc_func_dict, CMD_WALLHOPS, cmd_dummy);
1688 dict_insert(irc_func_dict, TOK_WALLHOPS, cmd_dummy);
d76ed9a9 1689 /* Ignore opers being silly. */
1690 dict_insert(irc_func_dict, CMD_WALLOPS, cmd_dummy);
1691 dict_insert(irc_func_dict, TOK_WALLOPS, cmd_dummy);
55342ce8 1692 dict_insert(irc_func_dict, CMD_WALLHOPS, cmd_dummy);
1693 dict_insert(irc_func_dict, TOK_WALLHOPS, cmd_dummy);
d76ed9a9 1694 /* We have reliable clock! Always! Wraaa! */
1695 dict_insert(irc_func_dict, CMD_SETTIME, cmd_dummy);
1696 dict_insert(irc_func_dict, TOK_SETTIME, cmd_dummy);
1697 /* handle topics */
1698 dict_insert(irc_func_dict, "331", cmd_num_topic);
1699 dict_insert(irc_func_dict, "332", cmd_num_topic);
1700 dict_insert(irc_func_dict, "333", cmd_num_topic);
1701 dict_insert(irc_func_dict, "345", cmd_dummy); /* blah has been invited to blah */
1702 dict_insert(irc_func_dict, "432", cmd_error_nick); /* Erroneus [sic] nickname */
1703 /* ban list resetting */
1704 /* "stats g" responses */
1705 dict_insert(irc_func_dict, "247", cmd_num_gline);
1706 dict_insert(irc_func_dict, "219", cmd_dummy); /* "End of /STATS report" */
1707 /* other numeric responses we might get */
1708 dict_insert(irc_func_dict, "401", cmd_dummy); /* target left network */
1709 dict_insert(irc_func_dict, "403", cmd_dummy); /* no such channel */
1710 dict_insert(irc_func_dict, "404", cmd_dummy); /* cannot send to channel */
0d16e639 1711 dict_insert(irc_func_dict, "439", cmd_dummy); /* target change too fast */
d76ed9a9 1712 dict_insert(irc_func_dict, "441", cmd_dummy); /* target isn't on that channel */
1713 dict_insert(irc_func_dict, "442", cmd_dummy); /* you aren't on that channel */
1714 dict_insert(irc_func_dict, "443", cmd_dummy); /* is already on channel (after invite?) */
1715 dict_insert(irc_func_dict, "461", cmd_dummy); /* Not enough parameters (after TOPIC w/ 0 args) */
1716 dict_insert(irc_func_dict, "467", cmd_dummy); /* Channel key already set */
1717
1718 num_privmsg_funcs = 16;
1719 privmsg_funcs = malloc(sizeof(privmsg_func_t)*num_privmsg_funcs);
1720 memset(privmsg_funcs, 0, sizeof(privmsg_func_t)*num_privmsg_funcs);
1721
1722 num_notice_funcs = 16;
1723 notice_funcs = malloc(sizeof(privmsg_func_t)*num_notice_funcs);
1724 memset(notice_funcs, 0, sizeof(privmsg_func_t)*num_notice_funcs);
1725
1726 userList_init(&dead_users);
1727 reg_del_channel_func(remove_unbursted_channel);
1728 reg_exit_func(parse_cleanup);
1729}
1730
1731int
1732parse_line(char *line, int recursive)
1733{
1734 char *argv[MAXNUMPARAMS], *origin;
1735 int argc, cmd, res=0;
1736 cmd_func_t *func;
1737
1738 argc = split_line(line, true, MAXNUMPARAMS, argv);
1739 cmd = self->uplink || !argv[0][1] || !argv[0][2];
1740 if (argc > cmd) {
1741 if (cmd) {
1742 if (argv[0][0] == ':') {
1743 origin = argv[0]+1;
1744 } else if (!argv[0][1] || !argv[0][2]) {
1745 struct server *sNode = GetServerN(argv[0]);
1746 origin = sNode ? sNode->name : 0;
1747 } else {
1748 struct userNode *uNode = GetUserN(argv[0]);
1749 origin = uNode ? uNode->nick : 0;
1750 }
1751 } else
1752 origin = 0;
1753 if ((func = dict_find(irc_func_dict, argv[cmd], NULL)))
1754 res = func(origin, argc-cmd, argv+cmd);
1755 }
1756 if (!res) {
1757 log_module(MAIN_LOG, LOG_ERROR, "PARSE ERROR on line: %s", unsplit_string(argv, argc, NULL));
1758 } else if (!recursive) {
1759 unsigned int i;
1760 for (i=0; i<dead_users.used; i++)
1761 free_user(dead_users.list[i]);
1762 dead_users.used = 0;
1763 }
1764 return res;
1765}
1766
1767static void
1768parse_foreach(char *target_list, foreach_chanfunc cf, foreach_nonchan nc, foreach_userfunc uf, foreach_nonuser nu, void *data)
1769{
1770 char *j, old;
1771 do {
1772 j = target_list;
1773 while (*j != 0 && *j != ',')
1774 j++;
1775 old = *j;
1776 *j = 0;
1777 if (IsChannelName(target_list)
1778 || (target_list[0] == '0' && target_list[1] == '\0')) {
1779 struct chanNode *chan = GetChannel(target_list);
1780 if (chan) {
1781 if (cf)
1782 cf(chan, data);
1783 } else {
1784 if (nc)
1785 nc(target_list, data);
1786 }
1787 } else {
1788 struct userNode *user;
1789 struct privmsg_desc *pd = data;
1790
1791 pd->is_qualified = 0;
1792 if (*target_list == '@') {
1793 user = NULL;
1794 } else if (strchr(target_list, '@')) {
1795 struct server *server;
1796
1797 pd->is_qualified = 1;
1798 user = GetUserH(strtok(target_list, "@"));
1799 server = GetServerH(strtok(NULL, "@"));
1800
1801 if (user && (user->uplink != server)) {
1802 /* Don't attempt to index into any arrays
1803 using a user's numeric on another server. */
1804 user = NULL;
1805 }
1806 } else {
1807 user = GetUserN(target_list);
1808 }
1809
1810 if (user) {
1811 if (uf)
1812 uf(user, data);
1813 } else {
1814 if (nu)
1815 nu(target_list, data);
1816 }
1817 }
1818 target_list = j+1;
1819 } while (old == ',');
1820}
1821
1822static int
1823get_local_numeric(void)
1824{
1825 static unsigned int next_numeric = 0;
1826 if (self->clients > self->num_mask)
1827 return -1;
1828 while (self->users[next_numeric])
1829 if (++next_numeric > self->num_mask)
1830 next_numeric = 0;
1831 return next_numeric;
1832}
1833
1834static void
1835make_numeric(struct server *svr, int local_num, char *outbuf)
1836{
1837 int slen, llen;
1838
1839 if (force_n2k || svr->numeric[1]) {
1840 slen = 2;
1841 llen = 3;
1842 } else {
1843 slen = 1;
1844 llen = (local_num < 64*64) ? 2 : 3;
1845 }
1846 strncpy(outbuf, svr->numeric, slen);
1847 inttobase64(outbuf+slen, local_num, llen);
1848 outbuf[slen+llen] = 0;
1849}
1850
1851struct server *
1852AddServer(struct server *uplink, const char *name, int hops, time_t boot, time_t link, const char *numeric, const char *description)
1853{
1854 struct server* sNode;
1855 int slen, mlen;
1856
1857 if ((sNode = GetServerN(numeric))) {
1858 /* This means we're trying to re-add an existant server.
1859 * To be safe, we should forget the previous incarnation.
1860 * (And all its linked servers.)
1861 *
1862 * It usually only happens in replays when the original
1863 * had a ping timeout and the replay didn't (because
1864 * replaying a ping timeout invariably gets things wrong).
1865 */
1866 DelServer(sNode, 0, NULL);
1867 }
1868
1869 switch (strlen(numeric)) {
1870 case 5: slen = 2; mlen = 3; break;
1871 case 4: slen = 1; mlen = 3; break;
1872 case 3: slen = 1; mlen = 2; break;
1873 default:
1874 log_module(MAIN_LOG, LOG_ERROR, "AddServer(\"%s\", \"%s\", ...): Numeric %s has invalid length.", uplink->name, name, numeric);
1875 return NULL;
1876 }
1877
1878 sNode = calloc(1, sizeof(*sNode));
1879 sNode->uplink = uplink;
1880 safestrncpy(sNode->name, name, sizeof(sNode->name));
1881 sNode->num_mask = base64toint(numeric+slen, mlen);
1882 sNode->hops = hops;
1883 sNode->boot = boot;
1884 sNode->link = link;
1885 strncpy(sNode->numeric, numeric, slen);
1886 safestrncpy(sNode->description, description, sizeof(sNode->description));
1887 sNode->users = calloc(sNode->num_mask+1, sizeof(*sNode->users));
1888 serverList_init(&sNode->children);
1889 if (sNode->uplink) {
1890 /* uplink may be NULL if we're just building ourself */
1891 serverList_append(&sNode->uplink->children, sNode);
1892 }
1893 servers_num[base64toint(numeric, slen)] = sNode;
1894 dict_insert(servers, sNode->name, sNode);
1895 return sNode;
1896}
1897
1898void DelServer(struct server* serv, int announce, const char *message)
1899{
1900 unsigned int i;
1901
1902 /* If we receive an ERROR command before the SERVER
1903 * command a NULL server can be passed */
1904 if (!serv)
1905 return;
1906
1907 /* Hrm, what's the right way to SQUIT some other server?
1908 * (This code is only to handle killing juped servers.) */
1909 if (announce && (serv->uplink == self) && (serv != self->uplink))
1910 irc_squit(serv, message, NULL);
1911
1912 /* must recursively remove servers linked to this one first */
1913 for (i=serv->children.used;i>0;)
1914 if (serv->children.list[--i] != self)
1915 DelServer(serv->children.list[i], false, NULL);
1916
1917 /* clean up server's user hash tables */
1918 for (i=0;i<=serv->num_mask;i++)
1919 if (serv->users[i])
1920 DelUser(serv->users[i], NULL, false, "server delinked");
1921
1922 /* delete server */
1923 if (serv->uplink)
1924 serverList_remove(&serv->uplink->children, serv);
1925 if (serv == self->uplink)
1926 self->uplink = NULL;
1927 servers_num[base64toint(serv->numeric, strlen(serv->numeric))] = NULL;
1928 dict_remove(servers, serv->name);
1929 serverList_clean(&serv->children);
1930 free(serv->users);
1931 free(serv);
1932}
1933
1934struct userNode *
a32da4c7 1935AddService(const char *nick, const char *modes, const char *desc, const char *hostname)
d76ed9a9 1936{
1937 char numeric[COMBO_NUMERIC_LEN+1];
1938 int local_num = get_local_numeric();
1939 time_t timestamp = now;
1940 struct userNode *old_user = GetUserH(nick);
1941
1942 if (old_user) {
1943 if (IsLocal(old_user))
1944 return old_user;
1945 timestamp = old_user->timestamp - 1;
1946 }
1947 if (local_num == -1) {
1948 log_module(MAIN_LOG, LOG_ERROR, "Unable to allocate numnick for service %s", nick);
1949 return 0;
1950 }
1951 if (!hostname)
1952 hostname = self->name;
1953 make_numeric(self, local_num, numeric);
180e0971 1954 /* TODO: Make these modes part of the conf file */
1955 return AddUser(self, nick, nick, hostname, modes ? modes : "+oik", numeric, desc, now, "AAAAAA");
d76ed9a9 1956}
1957
1958struct userNode *
1959AddClone(const char *nick, const char *ident, const char *hostname, const char *desc)
1960{
1961 char numeric[COMBO_NUMERIC_LEN+1];
1962 int local_num = get_local_numeric();
1963 time_t timestamp = now;
1964 struct userNode *old_user = GetUserH(nick);
1965
1966 if (old_user) {
1967 if (IsLocal(old_user))
1968 return old_user;
1969 timestamp = old_user->timestamp - 1;
1970 }
1971 if (local_num == -1) {
1972 log_module(MAIN_LOG, LOG_ERROR, "Unable to allocate numnick for clone %s", nick);
1973 return 0;
1974 }
1975 make_numeric(self, local_num, numeric);
1976 return AddUser(self, nick, ident, hostname, "+i", numeric, desc, timestamp, "AAAAAA");
1977}
1978
1979int
1980is_valid_nick(const char *nick) {
ec1a68c8 1981 unsigned int ii;
d76ed9a9 1982 /* IRC has some of The Most Fucked-Up ideas about character sets
1983 * in the world.. */
1984 if (!isalpha(*nick) && !strchr("{|}~[\\]^_`", *nick))
1985 return 0;
ec1a68c8 1986 for (ii = 0; nick[ii]; ++ii)
1987 if (!isalnum(nick[ii]) && !strchr("{|}~[\\]^-_`", nick[ii]))
d76ed9a9 1988 return 0;
1989 if (strlen(nick) > nicklen)
1990 return 0;
1991 return 1;
1992}
1993
1994static struct userNode*
1995AddUser(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)
1996{
1997 struct userNode *oldUser, *uNode;
1998 unsigned int n, ignore_user;
1999
2000 if ((strlen(numeric) < 3) || (strlen(numeric) > 5)) {
2001 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): numeric %s wrong length!", uplink, nick, numeric);
2002 return NULL;
2003 }
2004
2005 if (!uplink) {
2006 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server for numeric %s doesn't exist!", uplink, nick, numeric);
2007 return NULL;
2008 }
2009
2010 if (uplink != GetServerN(numeric)) {
2011 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server for numeric %s differs from nominal uplink %s.", uplink, nick, numeric, uplink->name);
2012 return NULL;
2013 }
2014
2015 if (!is_valid_nick(nick)) {
2016 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): invalid nickname detected.", uplink, nick);
2017 return NULL;
2018 }
2019
2020 ignore_user = 0;
2021 if ((oldUser = GetUserH(nick))) {
2022 if (IsLocal(oldUser) && (IsService(oldUser) || IsPersistent(oldUser))) {
2023 /* The service should collide the new user off. */
2024 oldUser->timestamp = timestamp - 1;
2025 irc_user(oldUser);
2026 }
2027 if (oldUser->timestamp > timestamp) {
2028 /* "Old" user is really newer; remove them */
2029 DelUser(oldUser, 0, 1, "Overruled by older nick");
2030 } else {
2031 /* User being added is too new; do not add them to
2032 * clients, but do add them to the server's list, since it
2033 * will send a KILL and QUIT soon. */
2034 ignore_user = 1;
2035 }
2036 }
2037
2038 /* create new usernode and set all values */
2039 uNode = calloc(1, sizeof(*uNode));
2040 uNode->nick = strdup(nick);
2041 safestrncpy(uNode->ident, ident, sizeof(uNode->ident));
2042 safestrncpy(uNode->info, userinfo, sizeof(uNode->info));
2043 safestrncpy(uNode->hostname, hostname, sizeof(uNode->hostname));
2044 safestrncpy(uNode->numeric, numeric, sizeof(uNode->numeric));
2045 uNode->ip.s_addr = htonl(base64toint(realip, 6));
2046 uNode->timestamp = timestamp;
2047 modeList_init(&uNode->channels);
2048 uNode->uplink = uplink;
2049 if (++uNode->uplink->clients > uNode->uplink->max_clients) {
2050 uNode->uplink->max_clients = uNode->uplink->clients;
2051 }
2052 uNode->num_local = base64toint(numeric+strlen(uNode->uplink->numeric), 3) & uNode->uplink->num_mask;
2053 uNode->uplink->users[uNode->num_local] = uNode;
2054 mod_usermode(uNode, modes);
2055 if (ignore_user)
2056 return uNode;
2057
2058 dict_insert(clients, uNode->nick, uNode);
2059 if (dict_size(clients) > max_clients) {
2060 max_clients = dict_size(clients);
2061 max_clients_time = now;
2062 }
2063 if (IsLocal(uNode))
2064 irc_user(uNode);
2065 for (n=0; n<nuf_used; n++)
2066 if (nuf_list[n](uNode))
2067 break;
2068 return uNode;
2069}
2070
2071/* removes user from it's server's hash table and nick hash table */
2072void
2073DelUser(struct userNode* user, struct userNode *killer, int announce, const char *why)
2074{
2075 unsigned int n;
2076
ec1a68c8 2077 verify(user);
2078
d76ed9a9 2079 /* mark them as dead, in case anybody cares */
2080 user->dead = 1;
2081
ac3bdc8d 2082 /* remove pending adduser commands */
2083 wipe_adduser_pending(NULL, user);
2084
d76ed9a9 2085 /* remove user from all channels */
2086 while (user->channels.used > 0)
2087 DelChannelUser(user, user->channels.list[user->channels.used-1]->channel, false, 0);
2088
2089 /* Call these in reverse order so ChanServ can update presence
2090 information before NickServ nukes the handle_info. */
2091 for (n = duf_used; n > 0; )
2092 duf_list[--n](user, killer, why);
2093
2094 user->uplink->clients--;
2095 user->uplink->users[user->num_local] = NULL;
2096 if (IsOper(user))
2097 userList_remove(&curr_opers, user);
2098 /* remove from global dictionary, but not if after a collide */
2099 if (user == dict_find(clients, user->nick, NULL))
2100 dict_remove(clients, user->nick);
2101
2102 if (IsInvisible(user))
2103 invis_clients--;
2104
2105 if (announce) {
2106 if (IsLocal(user))
2107 irc_quit(user, why);
2108 else
2109 irc_kill(killer, user, why);
2110 }
2111
2112 modeList_clean(&user->channels);
2113 /* We don't free them, in case we try to privmsg them or something
2114 * (like when a stupid oper kills themself). We just put them onto
2115 * a list of clients that get freed after processing each line.
2116 */
2117 if (dead_users.size)
2118 userList_append(&dead_users, user);
2119 else
2120 free_user(user);
2121}
2122
2123void mod_usermode(struct userNode *user, const char *mode_change) {
2124 static void call_oper_funcs(struct userNode *user);
2125 int add = 1;
2126 const char *word = mode_change;
2127
2128 if (!user || !mode_change)
2129 return;
a32da4c7 2130 while (*word != ' ' && *word) word++;
2131 while (*word == ' ') word++;
d76ed9a9 2132 while (1) {
2133#define do_user_mode(FLAG) do { if (add) user->modes |= FLAG; else user->modes &= ~FLAG; } while (0)
2134 switch (*mode_change++) {
2135 case 0: case ' ': return;
2136 case '+': add = 1; break;
2137 case '-': add = 0; break;
2138 case 'o':
2139 do_user_mode(FLAGS_OPER);
2140 if (add) {
2141 userList_append(&curr_opers, user);
2142 call_oper_funcs(user);
2143 } else {
2144 userList_remove(&curr_opers, user);
2145 }
2146 break;
2147 case 'O': do_user_mode(FLAGS_LOCOP); break;
2148 case 'i': do_user_mode(FLAGS_INVISIBLE);
2149 if (add)
2150 invis_clients++;
2151 else
2152 invis_clients--;
2153 break;
2154 case 'w': do_user_mode(FLAGS_WALLOP); break;
2155 case 's': do_user_mode(FLAGS_SERVNOTICE); break;
2156 case 'd': do_user_mode(FLAGS_DEAF); break;
2157 case 'k': do_user_mode(FLAGS_SERVICE); break;
2158 case 'g': do_user_mode(FLAGS_GLOBAL); break;
182dd032 2159 // sethost - reed/apples
2160 // case 'h': do_user_mode(FLAGS_HELPER); break;
2161 // I check if there's an 'h' in the first part, and if there,
2162 // then everything after the space becomes their new host.
2163 case 'h': do_user_mode(FLAGS_SETHOST);
2164 if (*word) {
2165 char sethost[MAXLEN];
2166 unsigned int ii;
2167 for (ii=0; (*word != ' ') && (*word != '\0'); )
2168 sethost[ii++] = *word++;
2169 sethost[ii] = 0;
2170 while (*word == ' ')
2171 word++;
2172 safestrncpy(user->sethost, sethost, sizeof(user->sethost));
2173 }
2174 break;
d76ed9a9 2175 case 'x': do_user_mode(FLAGS_HIDDEN_HOST); break;
2176 case 'r':
2177 if (*word) {
2178 char tag[MAXLEN];
2179 unsigned int ii;
2180 for (ii=0; (*word != ' ') && (*word != '\0'); )
2181 tag[ii++] = *word++;
2182 tag[ii] = 0;
2183 while (*word == ' ')
2184 word++;
2185 call_account_func(user, tag);
2186 }
2187 break;
2188 case 'f':
2189 if (*word) {
2190 char host[MAXLEN];
2191 unsigned int ii;
2192 for (ii=0; (*word != ' ') && (*word != '\0'); )
2193 host[ii++] = *word++;
2194 host[ii] = 0;
2195 while (*word == ' ')
2196 word++;
2197 assign_fakehost(user, host, 0);
2198 }
2199 break;
2200 }
2201#undef do_user_mode
2202 }
2203}
2204
2205struct mod_chanmode *
2206mod_chanmode_parse(struct chanNode *channel, char **modes, unsigned int argc, unsigned int flags)
2207{
2208 struct mod_chanmode *change;
2209 unsigned int ii, in_arg, ch_arg, add;
2210
2211 if (argc == 0)
2212 return NULL;
2213 if (!(change = mod_chanmode_alloc(argc - 1)))
2214 return NULL;
2215
2216 for (ii = ch_arg = 0, in_arg = add = 1;
2217 (modes[0][ii] != '\0') && (modes[0][ii] != ' ');
2218 ++ii) {
2219 switch (modes[0][ii]) {
2220 case '+':
2221 add = 1;
2222 break;
2223 case '-':
2224 add = 0;
2225 break;
2226#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)
2227 case 'C': do_chan_mode(MODE_NOCTCPS); break;
2228 case 'D': do_chan_mode(MODE_DELAYJOINS); break;
2229 case 'c': do_chan_mode(MODE_NOCOLORS); break;
2230 case 'i': do_chan_mode(MODE_INVITEONLY); break;
2231 case 'm': do_chan_mode(MODE_MODERATED); break;
2232 case 'n': do_chan_mode(MODE_NOPRIVMSGS); break;
2233 case 'p': do_chan_mode(MODE_PRIVATE); break;
2234 case 'r': do_chan_mode(MODE_REGONLY); break;
2235 case 's': do_chan_mode(MODE_SECRET); break;
2236 case 't': do_chan_mode(MODE_TOPICLIMIT); break;
d0cb2fb6 2237 case 'S': do_chan_mode(MODE_STRIPCOLOR); break;
2238 case 'M': do_chan_mode(MODE_MODUNREG); break;
2239 case 'N': do_chan_mode(MODE_NONOTICE); break;
2240 case 'Q': do_chan_mode(MODE_NOQUITMSGS); break;
2241 case 'T': do_chan_mode(MODE_NOAMSG); break;
2242 case 'O': do_chan_mode(MODE_OPERSONLY); break;
c8ca69a0 2243 case 'Z': do_chan_mode(MODE_SSLONLY); break;
ec1a68c8 2244 case 'z':
2245 if (!(flags & MCP_REGISTERED)) {
2246 do_chan_mode(MODE_REGISTERED);
2247 } else {
2248 mod_chanmode_free(change);
2249 return NULL;
2250 }
2251 break;
d0cb2fb6 2252// uncomment this when ssl is enabled on the network.
ec1a68c8 2253// case 'Z': do_chan_mode(MODE_SSLONLY); break;
d76ed9a9 2254#undef do_chan_mode
2255 case 'l':
2256 if (add) {
2257 if (in_arg >= argc)
2258 goto error;
2259 change->modes_set |= MODE_LIMIT;
2260 change->new_limit = atoi(modes[in_arg++]);
2261 } else {
2262 change->modes_set &= ~MODE_LIMIT;
2263 change->modes_clear |= MODE_LIMIT;
2264 }
2265 break;
2266 case 'k':
2267 if (add) {
2268 if (in_arg >= argc)
2269 goto error;
2270 change->modes_set |= MODE_KEY;
2271 safestrncpy(change->new_key, modes[in_arg++], sizeof(change->new_key));
2272 } else {
2273 change->modes_clear |= MODE_KEY;
2274 if (!(flags & MCP_KEY_FREE)) {
2275 if (in_arg >= argc)
2276 goto error;
2277 in_arg++;
2278 }
2279 }
2280 break;
2281 case 'b':
2282 if (!(flags & MCP_ALLOW_OVB))
2283 goto error;
2284 if (in_arg >= argc)
2285 goto error;
2286 change->args[ch_arg].mode = MODE_BAN;
2287 if (!add)
2288 change->args[ch_arg].mode |= MODE_REMOVE;
a32da4c7 2289 change->args[ch_arg++].u.hostmask = modes[in_arg++];
d76ed9a9 2290 break;
2aef5f4b 2291 case 'e':
2292 if (!(flags & MCP_ALLOW_OVB))
2293 goto error;
2294 if (in_arg >= argc)
2295 goto error;
2296 change->args[ch_arg].mode = MODE_EXEMPT;
2297 if (!add)
2298 change->args[ch_arg].mode |= MODE_REMOVE;
a32da4c7 2299 change->args[ch_arg++].u.hostmask = modes[in_arg++];
2aef5f4b 2300 break;
55342ce8 2301 case 'o': case 'h': case 'v':
d76ed9a9 2302 {
2303 struct userNode *victim;
2304 if (!(flags & MCP_ALLOW_OVB))
2305 goto error;
2306 if (in_arg >= argc)
2307 goto error;
55342ce8 2308
2309 if (modes[0][ii] == 'o')
2310 change->args[ch_arg].mode = MODE_CHANOP;
2311 else if (modes[0][ii] == 'h')
2312 change->args[ch_arg].mode = MODE_HALFOP;
2313 else if (modes[0][ii] == 'v')
2314 change->args[ch_arg].mode = MODE_VOICE;
2315
d76ed9a9 2316 if (!add)
2317 change->args[ch_arg].mode |= MODE_REMOVE;
2318 if (flags & MCP_FROM_SERVER)
2319 victim = GetUserN(modes[in_arg++]);
2320 else
2321 victim = GetUserH(modes[in_arg++]);
2322 if (!victim)
2323 continue;
a32da4c7 2324 if ((change->args[ch_arg].u.member = GetUserMode(channel, victim)))
d76ed9a9 2325 ch_arg++;
2326 break;
2327 }
2328 default:
2329 if (!(flags & MCP_FROM_SERVER))
2330 goto error;
2331 break;
2332 }
2333 }
2334 change->argc = ch_arg; /* in case any turned out to be ignored */
2335 if (change->modes_set & MODE_SECRET) {
2336 change->modes_set &= ~(MODE_PRIVATE);
2337 change->modes_clear |= MODE_PRIVATE;
2338 } else if (change->modes_set & MODE_PRIVATE) {
2339 change->modes_set &= ~(MODE_SECRET);
2340 change->modes_clear |= MODE_SECRET;
2341 }
2342 return change;
2343 error:
2344 mod_chanmode_free(change);
2345 return NULL;
2346}
2347
2348struct chanmode_buffer {
2349 char modes[MAXLEN];
2350 char args[MAXLEN];
2351 struct chanNode *channel;
2352 struct userNode *actor;
2353 unsigned int modes_used;
2354 unsigned int args_used;
2355 size_t chname_len;
2356 unsigned int is_add : 1;
2357 unsigned int is_chanop : 1;
2358};
2359
2360static void
2361mod_chanmode_append(struct chanmode_buffer *buf, char ch, const char *arg)
2362{
2363 size_t arg_len = strlen(arg);
2364 if (buf->modes_used > (MAXMODEPARAMS) ||
2365 buf->modes_used + buf->args_used + buf->chname_len + arg_len > 450) {
2366 memcpy(buf->modes + buf->modes_used, buf->args, buf->args_used);
2367 buf->modes[buf->modes_used + buf->args_used] = '\0';
2368 irc_mode((buf->is_chanop ? buf->actor : NULL), buf->channel, buf->modes);
2369 buf->modes[0] = buf->is_add ? '+' : '-';
2370 buf->modes_used = 1;
2371 buf->args_used = 0;
2372 }
2373 buf->modes[buf->modes_used++] = ch;
2374 buf->args[buf->args_used++] = ' ';
2375 memcpy(buf->args + buf->args_used, arg, arg_len);
2376 buf->args_used += arg_len;
2377}
2378
2379void
2380mod_chanmode_announce(struct userNode *who, struct chanNode *channel, struct mod_chanmode *change)
2381{
2382 struct chanmode_buffer chbuf;
2383 unsigned int arg;
2384 struct modeNode *mn;
2385 char int_buff[32], mode = '\0';
2386
2387 assert(change->argc <= change->alloc_argc);
2388 memset(&chbuf, 0, sizeof(chbuf));
2389 chbuf.channel = channel;
2390 chbuf.actor = who;
2391 chbuf.chname_len = strlen(channel->name);
2392
2393 mn = GetUserMode(channel, who);
2394 if ((mn && (mn->modes & MODE_CHANOP)) || off_channel)
2395 chbuf.is_chanop = 1;
2396
2397 /* First remove modes */
2398 chbuf.is_add = 0;
2399 if (change->modes_clear) {
2400 if (mode != '-')
2401 chbuf.modes[chbuf.modes_used++] = mode = '-';
2402#define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR
2403 DO_MODE_CHAR(PRIVATE, 'p');
2404 DO_MODE_CHAR(SECRET, 's');
2405 DO_MODE_CHAR(MODERATED, 'm');
2406 DO_MODE_CHAR(TOPICLIMIT, 't');
2407 DO_MODE_CHAR(INVITEONLY, 'i');
2408 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2409 DO_MODE_CHAR(LIMIT, 'l');
2410 DO_MODE_CHAR(DELAYJOINS, 'D');
2411 DO_MODE_CHAR(REGONLY, 'r');
2412 DO_MODE_CHAR(NOCOLORS, 'c');
2413 DO_MODE_CHAR(NOCTCPS, 'C');
d0cb2fb6 2414 DO_MODE_CHAR(STRIPCOLOR, 'S');
2415 DO_MODE_CHAR(MODUNREG, 'M');
2416 DO_MODE_CHAR(NONOTICE, 'N');
2417 DO_MODE_CHAR(NOQUITMSGS, 'Q');
2418 DO_MODE_CHAR(NOAMSG, 'T');
2419 DO_MODE_CHAR(OPERSONLY, 'O');
ec1a68c8 2420 DO_MODE_CHAR(REGISTERED, 'z');
c8ca69a0 2421 DO_MODE_CHAR(SSLONLY, 'Z');
d76ed9a9 2422#undef DO_MODE_CHAR
2423 if (change->modes_clear & channel->modes & MODE_KEY)
2424 mod_chanmode_append(&chbuf, 'k', channel->key);
2425 }
2426 for (arg = 0; arg < change->argc; ++arg) {
2427 if (!(change->args[arg].mode & MODE_REMOVE))
2428 continue;
2429 if (mode != '-')
2430 chbuf.modes[chbuf.modes_used++] = mode = '-';
2431 switch (change->args[arg].mode & ~MODE_REMOVE) {
2432 case MODE_BAN:
a32da4c7 2433 mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask);
d76ed9a9 2434 break;
2aef5f4b 2435 case MODE_EXEMPT:
a32da4c7 2436 mod_chanmode_append(&chbuf, 'e', change->args[arg].u.hostmask);
2aef5f4b 2437 break;
d76ed9a9 2438 default:
2439 if (change->args[arg].mode & MODE_CHANOP)
a32da4c7 2440 mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->numeric);
55342ce8 2441 if (change->args[arg].mode & MODE_HALFOP)
a32da4c7 2442 mod_chanmode_append(&chbuf, 'h', change->args[arg].u.member->user->numeric);
d76ed9a9 2443 if (change->args[arg].mode & MODE_VOICE)
a32da4c7 2444 mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->numeric);
d76ed9a9 2445 break;
2446 }
2447 }
2448
2449 /* Then set them */
2450 chbuf.is_add = 1;
2451 if (change->modes_set) {
2452 if (mode != '+')
2453 chbuf.modes[chbuf.modes_used++] = mode = '+';
2454#define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR
2455 DO_MODE_CHAR(PRIVATE, 'p');
2456 DO_MODE_CHAR(SECRET, 's');
2457 DO_MODE_CHAR(MODERATED, 'm');
2458 DO_MODE_CHAR(TOPICLIMIT, 't');
2459 DO_MODE_CHAR(INVITEONLY, 'i');
2460 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2461 DO_MODE_CHAR(DELAYJOINS, 'D');
2462 DO_MODE_CHAR(REGONLY, 'r');
2463 DO_MODE_CHAR(NOCOLORS, 'c');
2464 DO_MODE_CHAR(NOCTCPS, 'C');
d0cb2fb6 2465 DO_MODE_CHAR(STRIPCOLOR, 'S');
2466 DO_MODE_CHAR(MODUNREG, 'M');
2467 DO_MODE_CHAR(NONOTICE, 'N');
2468 DO_MODE_CHAR(NOQUITMSGS, 'Q');
2469 DO_MODE_CHAR(NOAMSG, 'T');
2470 DO_MODE_CHAR(OPERSONLY, 'O');
ec1a68c8 2471 DO_MODE_CHAR(REGISTERED, 'z');
c8ca69a0 2472 DO_MODE_CHAR(SSLONLY, 'Z');
d76ed9a9 2473#undef DO_MODE_CHAR
2474 if(change->modes_set & MODE_KEY)
2475 mod_chanmode_append(&chbuf, 'k', change->new_key);
2476 if(change->modes_set & MODE_LIMIT) {
2477 sprintf(int_buff, "%d", change->new_limit);
2478 mod_chanmode_append(&chbuf, 'l', int_buff);
2479 }
2480 }
2481 for (arg = 0; arg < change->argc; ++arg) {
2482 if (change->args[arg].mode & MODE_REMOVE)
2483 continue;
2484 if (mode != '+')
2485 chbuf.modes[chbuf.modes_used++] = mode = '+';
2486 switch (change->args[arg].mode) {
2487 case MODE_BAN:
a32da4c7 2488 mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask);
d76ed9a9 2489 break;
2aef5f4b 2490 case MODE_EXEMPT:
a32da4c7 2491 mod_chanmode_append(&chbuf, 'e', change->args[arg].u.hostmask);
2aef5f4b 2492 break;
d76ed9a9 2493 default:
2494 if (change->args[arg].mode & MODE_CHANOP)
a32da4c7 2495 mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->numeric);
55342ce8 2496 if (change->args[arg].mode & MODE_HALFOP)
a32da4c7 2497 mod_chanmode_append(&chbuf, 'h', change->args[arg].u.member->user->numeric);
d76ed9a9 2498 if (change->args[arg].mode & MODE_VOICE)
a32da4c7 2499 mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->numeric);
d76ed9a9 2500 break;
2501 }
2502 }
2503
2504 /* Flush the buffer and apply changes locally */
2505 if (chbuf.modes_used > 0) {
2506 memcpy(chbuf.modes + chbuf.modes_used, chbuf.args, chbuf.args_used);
2507 chbuf.modes[chbuf.modes_used + chbuf.args_used] = '\0';
2508 irc_mode((chbuf.is_chanop ? chbuf.actor : NULL), chbuf.channel, chbuf.modes);
2509 }
2510 mod_chanmode_apply(who, channel, change);
2511}
2512
2513char *
2514mod_chanmode_format(struct mod_chanmode *change, char *outbuff)
2515{
2516 unsigned int used = 0;
2517 assert(change->argc <= change->alloc_argc);
2518 if (change->modes_clear) {
2519 outbuff[used++] = '-';
2520#define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) outbuff[used++] = CHAR
2521 DO_MODE_CHAR(PRIVATE, 'p');
2522 DO_MODE_CHAR(SECRET, 's');
2523 DO_MODE_CHAR(MODERATED, 'm');
2524 DO_MODE_CHAR(TOPICLIMIT, 't');
2525 DO_MODE_CHAR(INVITEONLY, 'i');
2526 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2527 DO_MODE_CHAR(LIMIT, 'l');
2528 DO_MODE_CHAR(KEY, 'k');
2529 DO_MODE_CHAR(DELAYJOINS, 'D');
2530 DO_MODE_CHAR(REGONLY, 'r');
2531 DO_MODE_CHAR(NOCOLORS, 'c');
2532 DO_MODE_CHAR(NOCTCPS, 'C');
d0cb2fb6 2533 DO_MODE_CHAR(STRIPCOLOR, 'S');
2534 DO_MODE_CHAR(MODUNREG, 'M');
2535 DO_MODE_CHAR(NONOTICE, 'N');
2536 DO_MODE_CHAR(NOQUITMSGS, 'Q');
2537 DO_MODE_CHAR(NOAMSG, 'T');
2538 DO_MODE_CHAR(OPERSONLY, 'O');
ec1a68c8 2539 DO_MODE_CHAR(REGISTERED, 'z');
c8ca69a0 2540 DO_MODE_CHAR(SSLONLY, 'Z');
d76ed9a9 2541#undef DO_MODE_CHAR
2542 }
2543 if (change->modes_set) {
2544 outbuff[used++] = '+';
2545#define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) outbuff[used++] = CHAR
2546 DO_MODE_CHAR(PRIVATE, 'p');
2547 DO_MODE_CHAR(SECRET, 's');
2548 DO_MODE_CHAR(MODERATED, 'm');
2549 DO_MODE_CHAR(TOPICLIMIT, 't');
2550 DO_MODE_CHAR(INVITEONLY, 'i');
2551 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2552 DO_MODE_CHAR(DELAYJOINS, 'D');
2553 DO_MODE_CHAR(REGONLY, 'r');
2554 DO_MODE_CHAR(NOCOLORS, 'c');
2555 DO_MODE_CHAR(NOCTCPS, 'C');
d0cb2fb6 2556 DO_MODE_CHAR(STRIPCOLOR, 'S');
2557 DO_MODE_CHAR(MODUNREG, 'M');
2558 DO_MODE_CHAR(NONOTICE, 'N');
2559 DO_MODE_CHAR(NOQUITMSGS, 'Q');
2560 DO_MODE_CHAR(NOAMSG, 'T');
2561 DO_MODE_CHAR(OPERSONLY, 'O');
ec1a68c8 2562 DO_MODE_CHAR(REGISTERED, 'z');
c8ca69a0 2563 DO_MODE_CHAR(SSLONLY, 'Z');
d76ed9a9 2564#undef DO_MODE_CHAR
2565 switch (change->modes_set & (MODE_KEY|MODE_LIMIT)) {
2566 case MODE_KEY|MODE_LIMIT:
2567 used += sprintf(outbuff+used, "lk %d %s", change->new_limit, change->new_key);
2568 break;
2569 case MODE_KEY:
2570 used += sprintf(outbuff+used, "k %s", change->new_key);
2571 break;
2572 case MODE_LIMIT:
2573 used += sprintf(outbuff+used, "l %d", change->new_limit);
2574 break;
2575 }
2576 }
2577 outbuff[used] = 0;
2578 return outbuff;
2579}
2580
2581static int
2582clear_chanmode(struct chanNode *channel, const char *modes)
2583{
2584 unsigned int remove;
2585
2586 for (remove = 0; *modes; modes++) {
2587 switch (*modes) {
2588 case 'o': remove |= MODE_CHANOP; break;
55342ce8 2589 case 'h': remove |= MODE_HALFOP; break;
d76ed9a9 2590 case 'v': remove |= MODE_VOICE; break;
2591 case 'p': remove |= MODE_PRIVATE; break;
2592 case 's': remove |= MODE_SECRET; break;
2593 case 'm': remove |= MODE_MODERATED; break;
2594 case 't': remove |= MODE_TOPICLIMIT; break;
2595 case 'i': remove |= MODE_INVITEONLY; break;
2596 case 'n': remove |= MODE_NOPRIVMSGS; break;
2597 case 'k':
2598 remove |= MODE_KEY;
2599 channel->key[0] = '\0';
2600 break;
2601 case 'l':
2602 remove |= MODE_LIMIT;
2603 channel->limit = 0;
2604 break;
2605 case 'b': remove |= MODE_BAN; break;
2aef5f4b 2606 case 'e': remove |= MODE_EXEMPT; break;
d76ed9a9 2607 case 'D': remove |= MODE_DELAYJOINS; break;
2608 case 'r': remove |= MODE_REGONLY; break;
2609 case 'c': remove |= MODE_NOCOLORS;
2610 case 'C': remove |= MODE_NOCTCPS; break;
d0cb2fb6 2611 case 'S': remove |= MODE_STRIPCOLOR; break;
2612 case 'M': remove |= MODE_MODUNREG; break;
2613 case 'N': remove |= MODE_NONOTICE; break;
2614 case 'Q': remove |= MODE_NOQUITMSGS; break;
2615 case 'T': remove |= MODE_NOAMSG; break;
2616 case 'O': remove |= MODE_OPERSONLY; break;
ec1a68c8 2617 case 'z': remove |= MODE_REGISTERED; break;
c8ca69a0 2618 case 'Z': remove |= MODE_SSLONLY; break;
d76ed9a9 2619 }
2620 }
2621
2622 if (!remove)
2623 return 1;
2624
2625 /* Remove simple modes. */
2626 channel->modes &= ~remove;
2627
2628 /* If removing bans, kill 'em all. */
2629 if ((remove & MODE_BAN) && channel->banlist.used) {
2630 unsigned int i;
2631 for (i=0; i<channel->banlist.used; i++)
2632 free(channel->banlist.list[i]);
2633 channel->banlist.used = 0;
2634 }
2635
2aef5f4b 2636 /* If removing exempts, kill 'em all. */
2637 if ((remove & MODE_EXEMPT) && channel->exemptlist.used) {
2638 unsigned int i;
2639 for (i=0; i<channel->exemptlist.used; i++)
2640 free(channel->exemptlist.list[i]);
2641 channel->exemptlist.used = 0;
2642 }
2643
d76ed9a9 2644 /* Remove member modes. */
55342ce8 2645 if ((remove & (MODE_CHANOP | MODE_HALFOP | MODE_VOICE)) && channel->members.used) {
2646 int mask = ~(remove & (MODE_CHANOP | MODE_HALFOP | MODE_VOICE));
d76ed9a9 2647 unsigned int i;
2648
2649 for (i = 0; i < channel->members.used; i++)
2650 channel->members.list[i]->modes &= mask;
2651 }
2652
2653 return 1;
2654}
2655
2656void
2657reg_privmsg_func(struct userNode *user, privmsg_func_t handler)
2658{
2659 unsigned int numeric = user->num_local;
2660 if (numeric >= num_privmsg_funcs) {
2661 int newnum = numeric + 8;
2662 privmsg_funcs = realloc(privmsg_funcs, newnum*sizeof(privmsg_func_t));
2663 memset(privmsg_funcs+num_privmsg_funcs, 0, (newnum-num_privmsg_funcs)*sizeof(privmsg_func_t));
2664 num_privmsg_funcs = newnum;
2665 }
2666 if (privmsg_funcs[numeric])
2667 log_module(MAIN_LOG, LOG_WARNING, "re-registering new privmsg handler for numeric %d", numeric);
2668 privmsg_funcs[numeric] = handler;
2669}
2670
2671void
2672unreg_privmsg_func(struct userNode *user, privmsg_func_t handler)
2673{
2674 unsigned int x;
2675
2676 if (!user || handler)
2677 return; /* this really only works with users */
2678
2679 memset(privmsg_funcs+user->num_local, 0, sizeof(privmsg_func_t));
2680
2681 for (x = user->num_local+1; x < num_privmsg_funcs; x++)
2682 memmove(privmsg_funcs+x-1, privmsg_funcs+x, sizeof(privmsg_func_t));
2683
2684 privmsg_funcs = realloc(privmsg_funcs, num_privmsg_funcs*sizeof(privmsg_func_t));
2685 num_privmsg_funcs--;
2686}
2687
2688
2689void
2690reg_notice_func(struct userNode *user, privmsg_func_t handler)
2691{
2692 unsigned int numeric = user->num_local;
2693 if (numeric >= num_notice_funcs) {
2694 int newnum = numeric + 8;
2695 notice_funcs = realloc(notice_funcs, newnum*sizeof(privmsg_func_t));
2696 memset(notice_funcs+num_notice_funcs, 0, (newnum-num_notice_funcs)*sizeof(privmsg_func_t));
2697 num_notice_funcs = newnum;
2698 }
2699 if (notice_funcs[numeric])
2700 log_module(MAIN_LOG, LOG_WARNING, "re-registering new notice handler for numeric %d", numeric);
2701 notice_funcs[numeric] = handler;
2702}
2703
2704void
2705unreg_notice_func(struct userNode *user, privmsg_func_t handler)
2706{
2707 unsigned int x;
2708
2709 if (!user || handler)
2710 return; /* this really only works with users */
2711
2712 memset(notice_funcs+user->num_local, 0, sizeof(privmsg_func_t));
2713
2714 for (x = user->num_local+1; x < num_notice_funcs; x++)
2715 memmove(notice_funcs+x-1, notice_funcs+x, sizeof(privmsg_func_t));
2716
2717 memset(notice_funcs+user->num_local, 0, sizeof(privmsg_func_t));
2718 notice_funcs = realloc(notice_funcs, num_notice_funcs*sizeof(privmsg_func_t));
2719 num_notice_funcs--;
2720}
2721
2722void
2723reg_oper_func(oper_func_t handler)
2724{
2725 if (of_used == of_size) {
2726 if (of_size) {
2727 of_size <<= 1;
2728 of_list = realloc(of_list, of_size*sizeof(oper_func_t));
2729 } else {
2730 of_size = 8;
2731 of_list = malloc(of_size*sizeof(oper_func_t));
2732 }
2733 }
2734 of_list[of_used++] = handler;
2735}
2736
2737static void
2738call_oper_funcs(struct userNode *user)
2739{
2740 unsigned int n;
2741 if (IsLocal(user))
2742 return;
2743 for (n=0; n<of_used; n++)
2744 of_list[n](user);
2745}
2746
2747static void
2748send_burst(void)
2749{
2750 unsigned int i, hop, max_hop=1;
2751 dict_iterator_t it;
2752
2753 /* burst (juped) servers, closest first (except self, which is sent already) */
2754 for (i=0; i<ArrayLength(servers_num); i++)
2755 if (servers_num[i] && servers_num[i]->hops > max_hop)
2756 max_hop = servers_num[i]->hops;
2757 for (hop=1; hop<=max_hop; hop++) {
2758 for (i=0;i<ArrayLength(servers_num);i++) {
2759 if (servers_num[i]
2760 && (servers_num[i]->hops == hop)
2761 && (servers_num[i] != self->uplink))
2762 irc_server(servers_num[i]);
2763 }
2764 }
2765
2766 /* burst local nicks */
2767 for (i=0; i<=self->num_mask; i++)
2768 if (self->users[i])
2769 irc_user(self->users[i]);
2770
2771 /* build dict of unbursted channel names (just copy existing channels) */
2772 unbursted_channels = dict_new();
2773 for (it = dict_first(channels); it; it = iter_next(it))
2774 dict_insert(unbursted_channels, iter_key(it), iter_data(it));
2775}
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