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[irc/evilnet/x3.git] / src / proto-p10.c
1 /* proto-p10.c - IRC protocol output
2 * Copyright 2000-2004 srvx Development Team
3 *
4 * This file is part of x3.
5 *
6 * x3 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 "nickserv.h"
22 #include "chanserv.h"
23 #include "hash.h"
24 #include "helpfile.h"
25 #include "hosthiding.h"
26 #include "proto-common.c"
27 #include "opserv.h"
28
29 /* Full commands. */
30 #define CMD_ACCOUNT "ACCOUNT"
31 #define CMD_ADMIN "ADMIN"
32 #define CMD_ASLL "ASLL"
33 #define CMD_AWAY "AWAY"
34 #define CMD_BURST "BURST"
35 #define CMD_CLEARMODE "CLEARMODE"
36 #define CMD_CLOSE "CLOSE"
37 #define CMD_CNOTICE "CNOTICE"
38 #define CMD_CONNECT "CONNECT"
39 #define CMD_CPRIVMSG "CPRIVMSG"
40 #define CMD_CREATE "CREATE"
41 #define CMD_DESTRUCT "DESTRUCT"
42 #define CMD_DESYNCH "DESYNCH"
43 #define CMD_DIE "DIE"
44 #define CMD_DNS "DNS"
45 #define CMD_EOB "END_OF_BURST"
46 #define CMD_EOB_ACK "EOB_ACK"
47 #define CMD_ERROR "ERROR"
48 #define CMD_FAKEHOST "FAKE"
49 #define CMD_GET "GET"
50 #define CMD_GLINE "GLINE"
51 #define CMD_HASH "HASH"
52 #define CMD_HELP "HELP"
53 #define CMD_INFO "INFO"
54 #define CMD_INVITE "INVITE"
55 #define CMD_ISON "ISON"
56 #define CMD_JOIN "JOIN"
57 #define CMD_JUPE "JUPE"
58 #define CMD_KICK "KICK"
59 #define CMD_KILL "KILL"
60 #define CMD_LINKS "LINKS"
61 #define CMD_LIST "LIST"
62 #define CMD_LUSERS "LUSERS"
63 #define CMD_MAP "MAP"
64 #define CMD_MARK "MARK"
65 #define CMD_MODE "MODE"
66 #define CMD_MOTD "MOTD"
67 #define CMD_NAMES "NAMES"
68 #define CMD_NICK "NICK"
69 #define CMD_NOTICE "NOTICE"
70 #define CMD_OPER "OPER"
71 #define CMD_OPMODE "OPMODE"
72 #define CMD_PART "PART"
73 #define CMD_PASS "PASS"
74 #define CMD_PING "PING"
75 #define CMD_PONG "PONG"
76 #define CMD_POST "POST"
77 #define CMD_PRIVMSG "PRIVMSG"
78 #define CMD_PRIVS "PRIVS"
79 #define CMD_PROTO "PROTO"
80 #define CMD_QUIT "QUIT"
81 #define CMD_REHASH "REHASH"
82 #define CMD_RESET "RESET"
83 #define CMD_RESTART "RESTART"
84 #define CMD_RPING "RPING"
85 #define CMD_RPONG "RPONG"
86 #define CMD_SERVER "SERVER"
87 #define CMD_SERVLIST "SERVLIST"
88 #define CMD_SERVSET "SERVSET"
89 #define CMD_SET "SET"
90 #define CMD_SETTIME "SETTIME"
91 #define CMD_SHUN "SHUN"
92 #define CMD_SILENCE "SILENCE"
93 #define CMD_SQUERY "SQUERY"
94 #define CMD_SQUIT "SQUIT"
95 #define CMD_STATS "STATS"
96 #define CMD_SVSJOIN "SVSJOIN"
97 #define CMD_SVSNICK "SVSNICK"
98 #define CMD_SVSPART "SVSPART"
99 #define CMD_SWHOIS "SWHOIS"
100 #define CMD_TIME "TIME"
101 #define CMD_TOPIC "TOPIC"
102 #define CMD_TRACE "TRACE"
103 #define CMD_UPING "UPING"
104 #define CMD_USER "USER"
105 #define CMD_USERHOST "USERHOST"
106 #define CMD_USERIP "USERIP"
107 #define CMD_VERSION "VERSION"
108 #define CMD_WALLCHOPS "WALLCHOPS"
109 #define CMD_WALLOPS "WALLOPS"
110 #define CMD_WALLHOPS "WALLHOPS"
111 #define CMD_WALLUSERS "WALLUSERS"
112 #define CMD_WALLVOICES "WALLVOICES"
113 #define CMD_WALLHOPS "WALLHOPS"
114 #define CMD_WHO "WHO"
115 #define CMD_WHOIS "WHOIS"
116 #define CMD_WHOWAS "WHOWAS"
117
118 /* Tokenized commands. */
119 #define TOK_ACCOUNT "AC"
120 #define TOK_ADMIN "AD"
121 #define TOK_ASLL "LL"
122 #define TOK_AWAY "A"
123 #define TOK_BURST "B"
124 #define TOK_CLEARMODE "CM"
125 #define TOK_CLOSE "CLOSE"
126 #define TOK_CNOTICE "CN"
127 #define TOK_CONNECT "CO"
128 #define TOK_CPRIVMSG "CP"
129 #define TOK_CREATE "C"
130 #define TOK_DESTRUCT "DE"
131 #define TOK_DESYNCH "DS"
132 #define TOK_DIE "DIE"
133 #define TOK_DNS "DNS"
134 #define TOK_EOB "EB"
135 #define TOK_EOB_ACK "EA"
136 #define TOK_ERROR "Y"
137 #define TOK_EXEMPT "EX"
138 #define TOK_FAKEHOST "FA"
139 #define TOK_GET "GET"
140 #define TOK_GLINE "GL"
141 #define TOK_HASH "HASH"
142 #define TOK_HELP "HELP"
143 #define TOK_INFO "F"
144 #define TOK_INVITE "I"
145 #define TOK_ISON "ISON"
146 #define TOK_JOIN "J"
147 #define TOK_JUPE "JU"
148 #define TOK_KICK "K"
149 #define TOK_KILL "D"
150 #define TOK_LINKS "LI"
151 #define TOK_LIST "LIST"
152 #define TOK_LUSERS "LU"
153 #define TOK_MAP "MAP"
154 #define TOK_MARK "MK"
155 #define TOK_MODE "M"
156 #define TOK_MOTD "MO"
157 #define TOK_NAMES "E"
158 #define TOK_NICK "N"
159 #define TOK_NOTICE "O"
160 #define TOK_OPER "OPER"
161 #define TOK_OPMODE "OM"
162 #define TOK_PART "L"
163 #define TOK_PASS "PA"
164 #define TOK_PING "G"
165 #define TOK_PONG "Z"
166 #define TOK_POST "POST"
167 #define TOK_PRIVMSG "P"
168 #define TOK_PRIVS "PRIVS"
169 #define TOK_PROTO "PROTO"
170 #define TOK_QUIT "Q"
171 #define TOK_REHASH "REHASH"
172 #define TOK_RESET "RESET"
173 #define TOK_RESTART "RESTART"
174 #define TOK_RPING "RI"
175 #define TOK_RPONG "RO"
176 #define TOK_SERVER "S"
177 #define TOK_SERVLIST "SERVSET"
178 #define TOK_SERVSET "SERVSET"
179 #define TOK_SET "SET"
180 #define TOK_SETTIME "SE"
181 #define TOK_SHUN "SU"
182 #define TOK_SILENCE "U"
183 #define TOK_SQUERY "SQUERY"
184 #define TOK_SQUIT "SQ"
185 #define TOK_STATS "R"
186 #define TOK_SVSJOIN "SJ"
187 #define TOK_SVSNICK "SN"
188 #define TOK_SVSPART "SP"
189 #define TOK_SWHOIS "SW"
190 #define TOK_TIME "TI"
191 #define TOK_TOPIC "T"
192 #define TOK_TRACE "TR"
193 #define TOK_UPING "UP"
194 #define TOK_USER "USER"
195 #define TOK_USERHOST "USERHOST"
196 #define TOK_USERIP "USERIP"
197 #define TOK_VERSION "V"
198 #define TOK_WALLCHOPS "WC"
199 #define TOK_WALLOPS "WA"
200 #define TOK_WALLHOPS "WH"
201 #define TOK_WALLUSERS "WU"
202 #define TOK_WALLVOICES "WV"
203 #define TOK_WALLHOPS "WH"
204 #define TOK_WHO "H"
205 #define TOK_WHOIS "W"
206 #define TOK_WHOWAS "X"
207
208 /* Protocol messages; aliased to full commands or tokens depending
209 on compile-time configuration. ircu prefers tokens WITH THE
210 EXCEPTION OF THE SERVER AND PASS COMMANDS, which cannot be
211 tokenized, because clients' (ie. a linking server) commands are
212 only checked against the full command list.
213 */
214 #if defined(ENABLE_TOKENS)
215 #define TYPE(NAME) TOK_ ## NAME
216 #else /* !ENABLE_TOKENS */
217 #define TYPE(NAME) CMD_ ## NAME
218 #endif /* ENABLE_TOKENS */
219
220 #define P10_ACCOUNT TYPE(ACCOUNT)
221 #define P10_ADMIN TYPE(ADMIN)
222 #define P10_ASLL TYPE(ASLL)
223 #define P10_AWAY TYPE(AWAY)
224 #define P10_BURST TYPE(BURST)
225 #define P10_CLEARMODE TYPE(CLEARMODE)
226 #define P10_CLOSE TYPE(CLOSE)
227 #define P10_CNOTICE TYPE(CNOTICE)
228 #define P10_CONNECT TYPE(CONNECT)
229 #define P10_CPRIVMSG TYPE(CPRIVMSG)
230 #define P10_CREATE TYPE(CREATE)
231 #define P10_DESTRUCT TYPE(DESTRUCT)
232 #define P10_DESYNCH TYPE(DESYNCH)
233 #define P10_DIE TYPE(DIE)
234 #define P10_DNS TYPE(DNS)
235 #define P10_EOB TYPE(EOB)
236 #define P10_EOB_ACK TYPE(EOB_ACK)
237 #define P10_ERROR TYPE(ERROR)
238 #define P10_FAKEHOST TYPE(FAKEHOST)
239 #define P10_GET TYPE(GET)
240 #define P10_GLINE TYPE(GLINE)
241 #define P10_HASH TYPE(HASH)
242 #define P10_HELP TYPE(HELP)
243 #define P10_INFO TYPE(INFO)
244 #define P10_INVITE TYPE(INVITE)
245 #define P10_ISON TYPE(ISON)
246 #define P10_JOIN TYPE(JOIN)
247 #define P10_JUPE TYPE(JUPE)
248 #define P10_KICK TYPE(KICK)
249 #define P10_KILL TYPE(KILL)
250 #define P10_LINKS TYPE(LINKS)
251 #define P10_LIST TYPE(LIST)
252 #define P10_LUSERS TYPE(LUSERS)
253 #define P10_MAP TYPE(MAP)
254 #define P10_MARK TYPE(MARK)
255 #define P10_MODE TYPE(MODE)
256 #define P10_MOTD TYPE(MOTD)
257 #define P10_NAMES TYPE(NAMES)
258 #define P10_NICK TYPE(NICK)
259 #define P10_NOTICE TYPE(NOTICE)
260 #define P10_OPER TYPE(OPER)
261 #define P10_OPMODE TYPE(OPMODE)
262 #define P10_PART TYPE(PART)
263 #define P10_PASS CMD_PASS
264 #define P10_PING TYPE(PING)
265 #define P10_PONG TYPE(PONG)
266 #define P10_POST TYPE(POST)
267 #define P10_PRIVMSG TYPE(PRIVMSG)
268 #define P10_PRIVS TYPE(PRIVS)
269 #define P10_PROTO TYPE(PROTO)
270 #define P10_QUIT TYPE(QUIT)
271 #define P10_REHASH TYPE(REHASH)
272 #define P10_RESET TYPE(RESET)
273 #define P10_RESTART TYPE(RESTART)
274 #define P10_RPING TYPE(RPING)
275 #define P10_RPONG TYPE(RPONG)
276 #define P10_SERVER CMD_SERVER
277 #define P10_SERVLIST TYPE(SERVLIST)
278 #define P10_SERVSET TYPE(SERVSET)
279 #define P10_SET TYPE(SET)
280 #define P10_SETTIME TYPE(SETTIME)
281 #define P10_SHUN TYPE(SHUN)
282 #define P10_SILENCE TYPE(SILENCE)
283 #define P10_SQUERY TYPE(SQUERY)
284 #define P10_SQUIT TYPE(SQUIT)
285 #define P10_STATS TYPE(STATS)
286 #define P10_SVSJOIN TYPE(SVSJOIN)
287 #define P10_SVSNICK TYPE(SVSNICK)
288 #define P10_SVSPART TYPE(SVSPART)
289 #define P10_SWHOIS TYPE(SWHOIS)
290 #define P10_TIME TYPE(TIME)
291 #define P10_TOPIC TYPE(TOPIC)
292 #define P10_TRACE TYPE(TRACE)
293 #define P10_UPING TYPE(UPING)
294 #define P10_USER TYPE(USER)
295 #define P10_USERHOST TYPE(USERHOST)
296 #define P10_USERIP TYPE(USERIP)
297 #define P10_VERSION TYPE(VERSION)
298 #define P10_WALLCHOPS TYPE(WALLCHOPS)
299 #define P10_WALLOPS TYPE(WALLOPS)
300 #define P10_WALLHOPS TYPE(WALLHOPS)
301 #define P10_WALLUSERS TYPE(WALLUSERS)
302 #define P10_WALLVOICES TYPE(WALLVOICES)
303 #define P10_WHO TYPE(WHO)
304 #define P10_WHOIS TYPE(WHOIS)
305 #define P10_WHOWAS TYPE(WHOWAS)
306 #define P10_EXEMPT TYPE(EXEMPT)
307
308 /* Servers claiming to have a boot or link time before PREHISTORY
309 * trigger errors to the log. We hope no server has been running
310 * constantly since September 1994. :)
311 */
312 #define PREHISTORY 780000000
313
314 #define MODELEN 40 + KEYLEN
315
316 static struct server *servers_num[64*64];
317 static privmsg_func_t *privmsg_funcs;
318 static unsigned int num_privmsg_funcs;
319 static privmsg_func_t *notice_funcs;
320 static unsigned int num_notice_funcs;
321 static struct dict *unbursted_channels;
322 static char *his_servername;
323 static char *his_servercomment;
324 static int extended_accounts;
325
326 static 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);
327
328 extern int off_channel;
329 extern int DefConLevel;
330 extern int DefConTimeOut;
331 extern char *DefConChanModes;
332
333 static int parse_oplevel(char *str);
334
335 char privbuf[512] = "";
336
337 /* Numerics can be XYY, XYYY, or XXYYY; with X's identifying the
338 * server and Y's indentifying the client on that server. */
339 struct server*
340 GetServerN(const char *numeric)
341 {
342 switch (strlen(numeric)) {
343 default:
344 return servers_num[base64toint(numeric, 2)];
345 case 4:
346 case 3:
347 case 1:
348 return servers_num[base64toint(numeric, 1)];
349 case 0:
350 return NULL;
351 }
352 }
353
354 struct userNode*
355 GetUserN(const char *numeric) /* using numeric */
356 {
357 struct userNode *un;
358 struct server *s;
359 int n, slen, ulen;
360
361 switch (strlen(numeric)) {
362 default:
363 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): numeric too long!", numeric);
364 return NULL;
365 case 5: slen = 2; ulen = 3; break;
366 case 4: slen = 1; ulen = 3; break;
367 case 3: slen = 1; ulen = 2; break;
368 case 2: case 1: case 0:
369 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): numeric too short!", numeric);
370 return NULL;
371 }
372 if (!(s = servers_num[base64toint(numeric, slen)])) {
373 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): couldn't find server (len=%d)!", numeric, slen);
374 return NULL;
375 }
376 n = base64toint(numeric+slen, ulen) & s->num_mask;
377 if (!(un = s->users[n])) {
378 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s) couldn't find user!", numeric);
379 }
380 return un;
381 }
382
383 static void
384 privmsg_user_helper(struct userNode *un, void *data)
385 {
386 struct privmsg_desc *pd = data;
387 unsigned int num = un->num_local;
388 if (!pd->is_notice) {
389 if ((num < num_privmsg_funcs) && privmsg_funcs[num]) {
390 privmsg_funcs[num](pd->user, un, pd->text, pd->is_qualified);
391 }
392 } else {
393 if ((num < num_notice_funcs) && notice_funcs[num]) {
394 notice_funcs[num](pd->user, un, pd->text, pd->is_qualified);
395 }
396 }
397 }
398
399 /* equiv to user doing /connect server port target */
400 void irc_connect(struct userNode *user, char *server, unsigned int port, struct server *target)
401 {
402 putsock("%s " P10_CONNECT " %s %d %s", user->numeric, server, port, target->numeric);
403 }
404
405 void
406 irc_squit_route(struct server *srv, const char *message, ...)
407 {
408 va_list arg_list;
409 char buffer[MAXLEN];
410 va_start(arg_list, message);
411 vsnprintf(buffer, MAXLEN-2, message, arg_list);
412 buffer[MAXLEN-1] = 0;
413
414 /* When would we squit ourselves exactly?? -Rubin */
415 if(srv == self && cManager.uplink->state == CONNECTED ) {
416 unsigned int i;
417
418 /* Quit all clients linked to me. */
419 for(i = 0; i <= self->num_mask; i++) {
420 if(!self->users[i])
421 continue;
422 irc_quit(self->users[i], buffer);
423 }
424 }
425
426 putsock("%s " P10_SQUIT " %s %d :%s", self->numeric, srv->name, 0, buffer);
427
428 if(srv == self) {
429 /* Force a reconnect to the currently selected server. */
430 cManager.uplink->tries = 0;
431 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", buffer);
432 close_socket();
433 }
434 }
435
436 void
437 irc_server(struct server *srv)
438 {
439 char extranum[COMBO_NUMERIC_LEN+1];
440
441 inttobase64(extranum, srv->num_mask, (srv->numeric[1] || (srv->num_mask >= 64*64)) ? 3 : 2);
442 if (srv == self) {
443 putsock(P10_SERVER " %s %d %li %li J10 %s%s +s6 :%s",
444 srv->name, srv->hops+1, srv->boot, srv->link, srv->numeric, extranum, srv->description);
445 } else {
446 putsock("%s " P10_SERVER " %s %d %li %li %c10 %s%s +s6 :%s",
447 self->numeric, srv->name, srv->hops+1, srv->boot, srv->link, (srv->self_burst ? 'J' : 'P'), srv->numeric, extranum, srv->description);
448 }
449 }
450
451 static void
452 irc_p10_pton(irc_in_addr_t *ip, const char *input)
453 {
454 if (strlen(input) == 6) {
455 unsigned int value;
456 memset(ip, 0, 6 * sizeof(ip->in6[0]));
457 value = base64toint(input, 6);
458 if (value)
459 ip->in6[5] = htons(65535);
460 ip->in6[6] = htons(value >> 16);
461 ip->in6[7] = htons(value & 65535);
462 } else {
463 unsigned int pos = 0;
464 do {
465 if (*input == '_') {
466 unsigned int left;
467 for (left = (25 - strlen(input)) / 3; left; left--)
468 ip->in6[pos++] = 0;
469 input++;
470 } else {
471 ip->in6[pos++] = ntohs(base64toint(input, 3));
472 input += 3;
473 }
474 } while (pos < 8);
475 }
476 }
477
478 static void
479 irc_p10_ntop(char *output, const irc_in_addr_t *ip)
480 {
481 if (!irc_in_addr_is_valid(*ip)) {
482 strcpy(output, "AAAAAA");
483 } else if (irc_in_addr_is_ipv4(*ip)) {
484 unsigned int in4;
485 in4 = (ntohs(ip->in6[6]) << 16) | ntohs(ip->in6[7]);
486 inttobase64(output, in4, 6);
487 output[6] = '\0';
488 } else if (irc_in_addr_is_ipv6(*ip)) {
489 unsigned int max_start, max_zeros, curr_zeros, zero, ii;
490 /* Can start by printing out the leading non-zero parts. */
491 for (ii = 0; (ip->in6[ii]) && (ii < 8); ++ii) {
492 inttobase64(output, ntohs(ip->in6[ii]), 3);
493 output += 3;
494 }
495 /* Find the longest run of zeros. */
496 for (max_start = zero = ii, max_zeros = curr_zeros = 0; ii < 8; ++ii) {
497 if (!ip->in6[ii])
498 curr_zeros++;
499 else if (curr_zeros > max_zeros) {
500 max_start = ii - curr_zeros;
501 max_zeros = curr_zeros;
502 curr_zeros = 0;
503 }
504 }
505 if (curr_zeros > max_zeros) {
506 max_start = ii - curr_zeros;
507 max_zeros = curr_zeros;
508 curr_zeros = 0;
509 }
510 /* Print the rest of the address */
511 for (ii = zero; ii < 8; ) {
512 if ((ii == max_start) && max_zeros) {
513 *output++ = '_';
514 ii += max_zeros;
515 } else {
516 inttobase64(output, ntohs(ip->in6[ii]), 3);
517 output += 3;
518 }
519 }
520 *output = '\0';
521 } else {
522 strcpy(output, "???");
523 }
524 }
525
526 void
527 irc_user(struct userNode *user)
528 {
529 char b64ip[25];
530 if (!user)
531 return;
532 irc_p10_ntop(b64ip, &user->ip);
533 if (user->modes) {
534 int modelen;
535 char modes[32];
536
537 modelen = 0;
538 if (IsOper(user))
539 modes[modelen++] = 'o';
540 if (IsInvisible(user))
541 modes[modelen++] = 'i';
542 if (IsWallOp(user))
543 modes[modelen++] = 'w';
544 if (IsService(user))
545 modes[modelen++] = 'k';
546 if (IsServNotice(user))
547 modes[modelen++] = 's';
548 if (IsDeaf(user))
549 modes[modelen++] = 'd';
550 if (IsGlobal(user))
551 modes[modelen++] = 'g';
552 // sethost - reed/apples
553 // if (IsHelperIrcu(user))
554 if (IsSetHost(user))
555 modes[modelen++] = 'h';
556 if (IsFakeHost(user))
557 modes[modelen++] = 'f';
558 if (IsHiddenHost(user))
559 modes[modelen++] = 'x';
560 modes[modelen] = 0;
561
562 /* we don't need to put the + in modes because it's in the format string. */
563 putsock("%s " P10_NICK " %s %d %li %s %s +%s %s %s :%s",
564 user->uplink->numeric, user->nick, user->uplink->hops+1, user->timestamp, user->ident, user->hostname, modes, b64ip, user->numeric, user->info);
565 } else {
566 putsock("%s " P10_NICK " %s %d %li %s %s %s %s :%s",
567 user->uplink->numeric, user->nick, user->uplink->hops+1, user->timestamp, user->ident, user->hostname, b64ip, user->numeric, user->info);
568 }
569 }
570
571 void
572 irc_rename(struct userNode *user, const char *new_handle)
573 {
574 if(extended_accounts)
575 putsock("%s " P10_ACCOUNT " %s M %s", self->numeric, user->numeric, new_handle);
576 }
577
578 void
579 irc_delete(struct userNode *user)
580 {
581 if(extended_accounts)
582 putsock("%s " P10_ACCOUNT " %s U", self->numeric, user->numeric);
583 }
584
585 void
586 irc_account(struct userNode *user, const char *stamp, time_t timestamp)
587 {
588 if(extended_accounts)
589 putsock("%s " P10_ACCOUNT " %s R %s %lu", self->numeric, user->numeric, stamp, timestamp);
590 else
591 putsock("%s " P10_ACCOUNT " %s %s %lu", self->numeric, user->numeric, stamp, timestamp);
592 }
593
594 void
595 irc_fakehost(struct userNode *user, const char *host)
596 {
597 putsock("%s " P10_FAKEHOST " %s %s", self->numeric, user->numeric, host);
598 }
599
600 void
601 irc_regnick(UNUSED_ARG(struct userNode *user))
602 {
603 /* no operation here */
604 }
605
606 void
607 irc_nick(struct userNode *user, UNUSED_ARG(const char *old_nick))
608 {
609 putsock("%s " P10_NICK " %s "FMT_TIME_T, user->numeric, user->nick, now);
610 }
611
612 void
613 irc_fetchtopic(struct userNode *from, const char *to)
614 {
615 if (!from || !to)
616 return;
617 putsock("%s " P10_TOPIC " %s", from->numeric, to);
618 }
619
620 void
621 irc_squit(struct server *srv, const char *message, const char *service_message)
622 {
623 if (!service_message)
624 service_message = message;
625
626 /* Are we leaving the network? */
627 if (srv == self && cManager.uplink->state == CONNECTED) {
628 unsigned int i;
629
630 /* Quit all clients linked to me. */
631 for (i = 0; i <= self->num_mask; i++) {
632 if (!self->users[i])
633 continue;
634 irc_quit(self->users[i], service_message);
635 }
636 }
637
638 putsock("%s " P10_SQUIT " %s %d :%s", self->numeric, srv->name, 0, message);
639
640 if (srv == self) {
641 /* Force a reconnect to the currently selected server. */
642 cManager.uplink->tries = 0;
643 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", message);
644 close_socket();
645 }
646 }
647
648 void
649 irc_wallchops(struct userNode *from, const char *to, const char *message)
650 {
651 putsock("%s " P10_WALLCHOPS " %s :%s", from->numeric, to, message);
652 }
653
654 void
655 irc_wallops(const char *format, ...)
656 {
657 va_list arg_list;
658 char buffer[MAXLEN];
659 va_start(arg_list, format);
660 vsnprintf(buffer, MAXLEN-2, format, arg_list);
661 buffer[MAXLEN-1] = 0;
662 putsock("%s " P10_WALLOPS " :%s", self->numeric, buffer);
663 }
664
665
666 void
667 irc_notice(struct userNode *from, const char *to, const char *message)
668 {
669 putsock("%s " P10_NOTICE " %s :%s", from->numeric, to, message);
670 }
671
672 void
673 irc_notice_user(struct userNode *from, struct userNode *to, const char *message)
674 {
675 putsock("%s " P10_NOTICE " %s :%s", from->numeric, to->numeric, message);
676 }
677
678 void
679 irc_privmsg(struct userNode *from, const char *to, const char *message)
680 {
681 putsock("%s " P10_PRIVMSG " %s :%s", from->numeric, to, message);
682 }
683
684 void
685 irc_privmsg_user(struct userNode *from, struct userNode *to, const char *message)
686 {
687 putsock("%s " P10_PRIVMSG " %s :%s", from->numeric, to->numeric, message);
688 }
689
690 void
691 irc_version_user(struct userNode *from, struct userNode *to)
692 {
693 irc_privmsg_user(from, to, "\001VERSION\001");
694 }
695
696 void
697 irc_eob(void)
698 {
699 putsock("%s " P10_EOB, self->numeric);
700 }
701
702 void
703 irc_eob_ack(void)
704 {
705 putsock("%s " P10_EOB_ACK, self->numeric);
706
707 char *nick;
708 const char *str;
709 str = conf_get_data("services/opserv/nick", RECDB_QSTRING);
710 nick = strdup(str);
711
712 if (nick && (DefConLevel < 5)) {
713 DefConProcess(GetUserH(nick));
714
715 if (DefConTimeOut > 0)
716 timeq_add(now + DefConTimeOut, defcon_timeout, NULL);
717 }
718 }
719
720 void
721 irc_ping(const char *payload)
722 {
723 putsock("%s " P10_PING " :%s", self->numeric, payload);
724 }
725
726 void
727 irc_pong(const char *who, const char *data)
728 {
729 putsock("%s " P10_PONG " %s :%s", self->numeric, who, data);
730 }
731
732 void
733 irc_pong_asll(const char *who, const char *orig_ts)
734 {
735 char *delim;
736 struct timeval orig;
737 struct timeval now;
738 int diff;
739
740 orig.tv_sec = strtoul(orig_ts, &delim, 10);
741 orig.tv_usec = (*delim == '.') ? strtoul(delim + 1, NULL, 10) : 0;
742 gettimeofday(&now, NULL);
743 diff = (now.tv_sec - orig.tv_sec) * 1000 + (now.tv_usec - orig.tv_usec) / 1000;
744 putsock("%s " P10_PONG " %s %s %d " FMT_TIME_T ".%06u", self->numeric, who, orig_ts, diff, now.tv_sec, (unsigned)now.tv_usec);
745 }
746
747 void
748 irc_pass(const char *passwd)
749 {
750 putsock(P10_PASS " :%s", passwd);
751 }
752
753 void
754 irc_introduce(const char *passwd)
755 {
756 void timed_send_ping(void *data);
757
758 self->self_burst = self->burst = 1;
759 irc_pass(passwd);
760 irc_server(self);
761 burst_length = 0;
762 timeq_add(now + ping_freq, timed_send_ping, 0);
763 }
764
765 void
766 irc_gline(struct server *srv, struct gline *gline, int silent)
767 {
768 putsock("%s " P10_GLINE " %s +%s %ld :%s<%s> %s",
769 self->numeric, (srv ? srv->numeric : "*"), gline->target, gline->expires-now, silent ? "AUTO " : "", gline->issuer, gline->reason);
770 }
771
772 void
773 irc_shun(struct server *srv, struct shun *shun)
774 {
775 putsock("%s " P10_SHUN " %s +%s %ld :<%s> %s",
776 self->numeric, (srv ? srv->numeric : "*"), shun->target, shun->expires-now, shun->issuer, shun->reason);
777 }
778
779 void
780 irc_settime(const char *srv_name_mask, time_t new_time)
781 {
782 ioset_set_time(new_time);
783 if (!strcmp(srv_name_mask, "*"))
784 srv_name_mask = "";
785 putsock("%s " P10_SETTIME " " FMT_TIME_T " %s", self->numeric, new_time, srv_name_mask);
786 }
787
788 void
789 irc_ungline(const char *mask)
790 {
791 putsock("%s " P10_GLINE " * -%s", self->numeric, mask);
792 }
793
794 void
795 irc_unshun(const char *mask)
796 {
797 putsock("%s " P10_SHUN " * -%s", self->numeric, mask);
798 }
799
800 static void
801 irc_burst(struct chanNode *chan)
802 {
803 char burst_line[512];
804 int pos, base_len, len;
805 struct modeNode *mn;
806 struct banNode *bn;
807 struct exemptNode *en;
808 long last_mode=-1;
809 unsigned int n;
810
811 base_len = sprintf(burst_line, "%s " P10_BURST " %s " FMT_TIME_T " ",
812 self->numeric, chan->name, chan->timestamp);
813 len = irc_make_chanmode(chan, burst_line+base_len);
814 pos = base_len + len;
815 if (len)
816 burst_line[pos++] = ' ';
817
818 if(chan->members.used < 1)
819 return; /* dont burst empty channels (created by discrims) */
820 /* dump the users */
821 for (n=0; n<chan->members.used; n++) {
822 mn = chan->members.list[n];
823 if (pos > 500) {
824 burst_line[pos-1] = 0; /* -1 to back up over the space or comma */
825 putsock("%s", burst_line);
826 pos = base_len;
827 last_mode = -1;
828 }
829 memcpy(burst_line+pos, mn->user->numeric, strlen(mn->user->numeric));
830 pos += strlen(mn->user->numeric);
831 if (mn->modes && (mn->modes != last_mode)) {
832 last_mode = mn->modes;
833 burst_line[pos++] = ':';
834 if (last_mode & MODE_CHANOP)
835 burst_line[pos++] = 'o';
836 if (last_mode & MODE_HALFOP)
837 burst_line[pos++] = 'h';
838 if (last_mode & MODE_VOICE)
839 burst_line[pos++] = 'v';
840 }
841 if ((n+1)<chan->members.used)
842 burst_line[pos++] = ',';
843 }
844 if (chan->banlist.used) {
845 /* dump the bans */
846 if (pos+2+strlen(chan->banlist.list[0]->ban) > 505) {
847 burst_line[pos-1] = 0;
848 putsock("%s", burst_line);
849 pos = base_len;
850 } else {
851 burst_line[pos++] = ' ';
852 }
853
854 burst_line[pos++] = ':';
855 burst_line[pos++] = '%';
856 base_len = pos;
857 for (n=0; n<chan->banlist.used; n++) {
858 bn = chan->banlist.list[n];
859 len = strlen(bn->ban);
860 if (pos+len+1 > 510) {
861 burst_line[pos-1] = 0; /* -1 to back up over the space or comma */
862 putsock("%s", burst_line);
863 pos = base_len;
864 }
865 memcpy(burst_line+pos, bn->ban, len);
866 pos += len;
867 burst_line[pos++] = ' ';
868 }
869 }
870 if (chan->exemptlist.used) {
871 /* dump the exempt */
872 if (pos+2+strlen(chan->exemptlist.list[0]->exempt) > 505) {
873 burst_line[pos-1] = 0;
874 putsock("%s", burst_line);
875 pos = base_len;
876 } else {
877 burst_line[pos++] = ' ';
878 }
879
880 burst_line[pos++] = ' ';
881 burst_line[pos++] = '~';
882 burst_line[pos++] = ' ';
883 base_len = pos;
884 for (n=0; n<chan->exemptlist.used; n++) {
885 en = chan->exemptlist.list[n];
886 len = strlen(en->exempt);
887 if (pos+len+1 > 510) {
888 burst_line[pos-1] = 0; /* -1 to back up over the space or comma */
889 putsock("%s", burst_line);
890 pos = base_len;
891 }
892 memcpy(burst_line+pos, en->exempt, len);
893 pos += len;
894 burst_line[pos++] = ' ';
895 }
896 }
897 /* print the last line */
898 burst_line[pos] = 0;
899 putsock("%s", burst_line);
900 }
901
902 void
903 irc_quit(struct userNode *user, const char *message)
904 {
905 putsock("%s " P10_QUIT " :%s", user->numeric, message);
906 }
907
908 void
909 irc_error(const char *to, const char *message)
910 {
911 if (to) {
912 putsock("%s " P10_ERROR " :%s", to, message);
913 } else {
914 putsock(":%s " P10_ERROR " :%s", self->name, message);
915 }
916 }
917
918 void
919 irc_kill(struct userNode *from, struct userNode *target, const char *message)
920 {
921 if (from) {
922 putsock("%s " P10_KILL " %s :%s!%s (%s)",
923 from->numeric, target->numeric, self->name, from->nick, message);
924 } else {
925 putsock("%s " P10_KILL " %s :%s (%s)",
926 self->numeric, target->numeric, self->name, message);
927 }
928 }
929
930 void
931 irc_mode(struct userNode *from, struct chanNode *target, const char *modes)
932 {
933 call_channel_mode_funcs(from, target, (char **)&modes, 0);
934 putsock("%s " P10_MODE " %s %s "FMT_TIME_T,
935 (from ? from->numeric : self->numeric),
936 target->name, modes, target->timestamp);
937 }
938
939 /* Added to allow services to mode users
940 2005 - 8 - 10 by Life4Christ
941 */
942 void
943 irc_umode(struct userNode *target, const char *modes)
944 {
945 putsock("%s " P10_MODE " %s %s ",self->numeric,target->nick, modes);
946 }
947
948
949 void
950 irc_invite(struct userNode *from, struct userNode *who, struct chanNode *to)
951 {
952 putsock("%s " P10_INVITE " %s %s", from->numeric, who->nick, to->name);
953 }
954
955 void
956 irc_silence(struct userNode *who, const char *mask, int add)
957 {
958 putsock("%s " P10_SILENCE " %s %s%s", self->numeric, who->numeric, add ? "+" : "-", mask);
959 }
960
961 void
962 irc_join(struct userNode *who, struct chanNode *what)
963 {
964 if (what->members.used == 1) {
965 putsock("%s " P10_CREATE " %s %lu",
966 who->numeric, what->name, what->timestamp);
967 } else {
968 putsock("%s " P10_JOIN " %s %lu", who->numeric, what->name, what->timestamp);
969 }
970 }
971
972 void
973 irc_svsjoin(struct userNode *from, struct userNode *who, struct chanNode *to)
974 {
975 putsock("%s " P10_SVSJOIN " %s %s "FMT_TIME_T, from->uplink->numeric, who->numeric, to->name, now);
976 }
977
978 void
979 irc_svspart(struct userNode *from, struct userNode *who, struct chanNode *to)
980 {
981 putsock("%s " P10_SVSPART " %s %s", from->uplink->numeric, who->numeric, to->name);
982 }
983
984 void
985 irc_kick(struct userNode *who, struct userNode *target, struct chanNode *channel, const char *msg)
986 {
987 const char *numeric;
988 struct modeNode *mn = GetUserMode(channel, who);
989 numeric = ((mn && (mn->modes & MODE_CHANOP)) || off_channel) ? who->numeric : self->numeric;
990 putsock("%s " P10_KICK " %s %s :%s",
991 numeric, channel->name, target->numeric, msg);
992 }
993
994 void
995 irc_stats(struct userNode *from, struct server *target, char type)
996 {
997 putsock("%s " P10_STATS " %c :%s", from->numeric, type, target->numeric);
998 }
999
1000 void
1001 irc_svsnick(struct userNode *from, struct userNode *target, const char *newnick)
1002 {
1003 putsock("%s " P10_SVSNICK " %s %s "FMT_TIME_T, from->uplink->numeric, target->numeric, newnick, now);
1004 }
1005
1006 void
1007 irc_swhois(struct userNode *from, struct userNode *target, const char *message)
1008 {
1009 putsock("%s " P10_SWHOIS " %s %s%s", from->uplink->numeric, target->numeric, message ? ":" : "",
1010 message ? message : "");
1011
1012 }
1013
1014 void
1015 irc_part(struct userNode *who, struct chanNode *what, const char *reason)
1016 {
1017 if (reason) {
1018 putsock("%s " P10_PART " %s :%s", who->numeric, what->name, reason);
1019 } else {
1020 putsock("%s " P10_PART " %s", who->numeric, what->name);
1021 }
1022 }
1023
1024 void
1025 irc_topic(struct userNode *service, struct userNode *who, struct chanNode *what, const char *topic)
1026 {
1027
1028 int type = 4;
1029 int host_in_topic = 0;
1030 const char *hstr, *tstr;
1031 char *host, *hostmask;
1032 char shost[MAXLEN];
1033 char sident[MAXLEN];
1034
1035 tstr = conf_get_data("server/type", RECDB_QSTRING);
1036 hstr = conf_get_data("server/host_in_topic", RECDB_QSTRING);
1037 if(tstr)
1038 type = atoi(tstr);
1039 else
1040 type = 4;/* default to 040 style topics */
1041
1042 if (hstr) {
1043 if (IsFakeHost(who))
1044 safestrncpy(shost, who->fakehost, sizeof(shost));
1045 else if (IsSetHost(who)) {
1046 hostmask = strdup(who->sethost);
1047 if ((host = (strrchr(hostmask, '@'))))
1048 *host++ = '\0';
1049 else
1050 host = hostmask;
1051
1052 safestrncpy(sident, hostmask, sizeof(shost));
1053 safestrncpy(shost, host, sizeof(shost));
1054 } else
1055 safestrncpy(shost, who->hostname, sizeof(shost));
1056
1057 host_in_topic = atoi(hstr);
1058 }
1059
1060 if (type >= 5) {
1061 putsock("%s " P10_TOPIC " %s %s%s%s%s%s " FMT_TIME_T " " FMT_TIME_T " :%s", service->numeric, what->name,
1062 who->nick, host_in_topic ? "!" : "", host_in_topic ? (IsSetHost(who) ? sident : who->ident) : "",
1063 host_in_topic ? "@" : "", host_in_topic ? shost : "", what->timestamp, now, topic);
1064 } else {
1065 who = service;
1066 putsock("%s " P10_TOPIC " %s :%s", who->numeric, what->name, topic);
1067 }
1068 }
1069
1070 void
1071 irc_raw(const char *what)
1072 {
1073 putsock("%s", what);
1074 }
1075
1076 void
1077 irc_numeric(struct userNode *user, unsigned int num, const char *format, ...)
1078 {
1079 va_list arg_list;
1080 char buffer[MAXLEN];
1081 va_start(arg_list, format);
1082 vsnprintf(buffer, MAXLEN-2, format, arg_list);
1083 buffer[MAXLEN-1] = 0;
1084 putsock(":%s %03d %s %s", self->name, num, user->nick, buffer);
1085 }
1086
1087 static void send_burst(void);
1088
1089 static void
1090 change_nicklen(int new_nicklen)
1091 {
1092 unsigned int nn;
1093 char new_nick[NICKLEN+1];
1094 struct userNode *user;
1095
1096 nicklen = new_nicklen;
1097 /* fix up any users we have here */
1098 for (nn=0; nn<=self->num_mask; nn++) {
1099 if (!(user = self->users[nn]))
1100 continue;
1101 safestrncpy(new_nick, user->nick, sizeof(new_nick));
1102 new_nick[nicklen] = 0;
1103 NickChange(user, new_nick, 1);
1104 }
1105 }
1106
1107 static CMD_FUNC(cmd_whois)
1108 {
1109 struct userNode *from;
1110 struct userNode *who;
1111
1112 if (argc < 3)
1113 return 0;
1114 if (!(from = GetUserH(origin))) {
1115 log_module(MAIN_LOG, LOG_ERROR, "Could not find WHOIS origin user %s", origin);
1116 return 0;
1117 }
1118 if(!(who = GetUserH(argv[2]))) {
1119 irc_numeric(from, ERR_NOSUCHNICK, "%s@%s :No such nick", argv[2], self->name);
1120 return 1;
1121 }
1122 if (IsHiddenHost(who) && !IsOper(from)) {
1123 /* Just stay quiet. */
1124 return 1;
1125 }
1126 irc_numeric(from, RPL_WHOISUSER, "%s %s %s * :%s", who->nick, who->ident, who->hostname, who->info);
1127 if (his_servername && his_servercomment)
1128 irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, his_servername, his_servercomment);
1129 else
1130 irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, who->uplink->name, who->uplink->description);
1131 if (IsOper(who))
1132 irc_numeric(from, RPL_WHOISOPERATOR, "%s :is a megalomaniacal power hungry tyrant", who->nick);
1133 irc_numeric(from, RPL_ENDOFWHOIS, "%s :End of /WHOIS list", who->nick);
1134 return 1;
1135 }
1136
1137 static CMD_FUNC(cmd_server)
1138 {
1139 struct server *srv;
1140 const char *str;
1141
1142 if (argc < 8)
1143 return 0;
1144 if (self->uplink) {
1145 /* another server introduced us */
1146 srv = AddServer(GetServerH(origin), argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), argv[6], argv[argc-1]);
1147 if (!srv)
1148 return 0;
1149 srv->self_burst = argv[5][0] == 'J';
1150 srv->burst = 1;
1151 } else {
1152 /* this must be our uplink */
1153 srv = self->uplink = AddServer(self, argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), argv[6], argv[argc-1]);
1154 if (!srv)
1155 return 0;
1156 srv->self_burst = argv[5][0] == 'J';
1157 srv->burst = 1;
1158 if ((argv[7][0] == '+') && !force_n2k) {
1159 log_module(MAIN_LOG, LOG_WARNING, "Got Undernet-style SERVER message but \"force_n2k\" not on.");
1160 }
1161 send_burst();
1162 }
1163
1164 /* Fix up our timestamps if necessary. */
1165 if (srv->boot <= PREHISTORY) {
1166 /* Server from the mists of time.. */
1167 if (srv->hops == 1) {
1168 log_module(MAIN_LOG, LOG_ERROR, "Server %s claims to have booted at time "FMT_TIME_T". This is absurd.", srv->name, srv->boot);
1169 }
1170 } else if ((str = conf_get_data("server/reliable_clock", RECDB_QSTRING))
1171 && enabled_string(str)) {
1172 /* If we have a reliable clock, we just keep our current time. */
1173 } else {
1174 if (srv->boot <= self->boot) {
1175 /* The other server is older than us. Accept their timestamp.
1176 * Alternately, we are same age, but we accept their time
1177 * since we are linking to them. */
1178 self->boot = srv->boot;
1179 ioset_set_time(srv->link);
1180 }
1181 }
1182 if (srv == self->uplink) {
1183 extern time_t burst_begin;
1184 burst_begin = now;
1185 }
1186 return 1;
1187 }
1188
1189
1190 static CMD_FUNC(cmd_eob)
1191 {
1192 struct server *sender;
1193 dict_iterator_t it;
1194 unsigned int ii;
1195
1196 if (!(sender = GetServerH(origin)))
1197 return 0;
1198 if (sender == self->uplink) {
1199 cManager.uplink->state = CONNECTED;
1200 for (it = dict_first(unbursted_channels); it; it = iter_next(it))
1201 irc_burst(iter_data(it));
1202 dict_delete(unbursted_channels);
1203 unbursted_channels = NULL;
1204 irc_eob();
1205 irc_eob_ack();
1206
1207 /* now that we know who our uplink is,
1208 * we can center the routing map and activate auto-routing.
1209 */
1210 activate_routing(NULL, NULL, NULL);
1211 }
1212 sender->self_burst = 0;
1213 recalc_bursts(sender);
1214 for (ii=0; ii<slf_used; ii++)
1215 slf_list[ii](sender);
1216 /* let auto-routing figure out if we were
1217 * wating on this server to link a child to it */
1218 /* DONT call this if uplink is _US_ */
1219 if(sender->uplink != self)
1220 routing_handle_connect(sender->name, sender->uplink->name);
1221 return 1;
1222 }
1223
1224 static CMD_FUNC(cmd_eob_ack)
1225 {
1226 extern time_t burst_begin;
1227
1228 if (GetServerH(origin) == self->uplink) {
1229 burst_length = now - burst_begin;
1230 self->self_burst = self->burst = 0;
1231 }
1232 cManager.uplink->state = CONNECTED;
1233 return 1;
1234 }
1235
1236 static CMD_FUNC(cmd_ping)
1237 {
1238 struct server *srv;
1239 struct userNode *un;
1240
1241 if (argc > 3)
1242 irc_pong_asll(argv[2], argv[3]);
1243 else if ((srv = GetServerH(origin)))
1244 irc_pong(self->name, srv->numeric);
1245 else if ((un = GetUserH(origin)))
1246 irc_pong(self->name, un->numeric);
1247 else
1248 irc_pong(self->name, origin);
1249
1250 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1251 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1252 timeq_add(now + ping_freq, timed_send_ping, 0);
1253 received_ping();
1254 return 1;
1255 }
1256
1257 static CMD_FUNC(cmd_error_nick)
1258 {
1259 /* Go back to original IRC length .. and try to reconnect :/ */
1260 change_nicklen(9);
1261 irc_squit(self, "Got erroneous nickname, truncating nicks.", NULL);
1262 return 1;
1263 }
1264
1265 struct create_desc {
1266 struct userNode *user;
1267 time_t when;
1268 };
1269
1270 static void
1271 join_helper(struct chanNode *chan, void *data)
1272 {
1273 struct create_desc *cd = data;
1274 AddChannelUser(cd->user, chan);
1275 }
1276
1277 static void
1278 create_helper(char *name, void *data)
1279 {
1280 struct create_desc *cd = data;
1281
1282 if (!strcmp(name, "0")) {
1283 while (cd->user->channels.used > 0)
1284 DelChannelUser(cd->user, cd->user->channels.list[0]->channel, 0, 0);
1285 return;
1286 }
1287
1288 AddChannelUser(cd->user, AddChannel(name, cd->when, NULL, NULL, NULL));
1289 }
1290
1291 static CMD_FUNC(cmd_create)
1292 {
1293 struct create_desc cd;
1294 struct userNode *user;
1295
1296 if ((argc < 3) || !(user = GetUserH(origin)))
1297 return 0;
1298 cd.user = user;
1299 cd.when = atoi(argv[2]);
1300 parse_foreach(argv[1], join_helper, create_helper, NULL, NULL, &cd);
1301 return 1;
1302 }
1303
1304 static CMD_FUNC(cmd_join)
1305 {
1306 struct create_desc cd;
1307
1308 if (!(cd.user = GetUserH(origin)))
1309 return 0;
1310 if (argc < 2)
1311 return 0;
1312 else if (argc < 3)
1313 cd.when = now;
1314 else
1315 cd.when = atoi(argv[2]);
1316 parse_foreach(argv[1], join_helper, create_helper, NULL, NULL, &cd);
1317 return 1;
1318 }
1319
1320 static CMD_FUNC(cmd_svsjoin)
1321 {
1322 struct create_desc cd;
1323
1324 if (!(cd.user = GetUserH(argv[1])))
1325 return 0;
1326 if (argc < 3)
1327 return 0;
1328 else if (argc < 4)
1329 cd.when = now;
1330 else
1331 cd.when = atoi(argv[3]);
1332 parse_foreach(argv[2], join_helper, create_helper, NULL, NULL, &cd);
1333 return 1;
1334 }
1335
1336 static CMD_FUNC(cmd_pong)
1337 {
1338 if (argc < 3)
1339 return 0;
1340 if (!strcmp(argv[2], self->name)) {
1341 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1342 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1343 timeq_add(now + ping_freq, timed_send_ping, 0);
1344 received_ping();
1345 }
1346 return 1;
1347 }
1348
1349 static CMD_FUNC(cmd_nick)
1350 {
1351 struct userNode *user;
1352 if ((user = GetUserH(origin))) {
1353 /* nick change (since the source is a user numeric) */
1354 if (argc < 2)
1355 return 0;
1356 NickChange(user, argv[1], 1);
1357 } else {
1358 struct server *serv;
1359 struct userNode *nuser;
1360 char modes[MAXLEN];
1361 /* new nick */
1362 if (argc < 9)
1363 return 0;
1364 serv = GetServerH(origin);
1365 if (argc > 9)
1366 unsplit_string(argv+6, argc-9, modes);
1367 else
1368 strcpy(modes, "+");
1369 nuser = AddUser(serv, argv[1], argv[4], argv[5], modes, argv[argc-2], argv[argc-1], atoi(argv[3]), argv[argc-3]);
1370 }
1371 return 1;
1372 }
1373
1374 static CMD_FUNC(cmd_account)
1375 {
1376 struct userNode *user;
1377 struct server *server;
1378 struct handle_info *hi;
1379
1380 if ((argc < 3) || !origin || !(server = GetServerH(origin)))
1381 return 0; /* Origin must be server. */
1382
1383 /* This next line appears to tremple origin.. why? */
1384 user = GetUserN(argv[1]);
1385 if (!user)
1386 return 1; /* A QUIT probably passed the ACCOUNT. */
1387
1388 if(!extended_accounts) /* any need for this function without? */
1389 return 1;
1390
1391 if(!strcmp(argv[2],"C"))
1392 {
1393 if((hi = loc_auth(argv[4], argv[5])))
1394 {
1395 /* Return a AC A */
1396 putsock("%s " P10_ACCOUNT " %s A %s %lu", self->numeric, server->numeric , argv[3], hi->registered);
1397
1398 }
1399 else
1400 {
1401 /* Return a AC D */
1402 putsock("%s " P10_ACCOUNT " %s D %s", self->numeric, server->numeric , argv[3]);
1403 }
1404 return 1;
1405 }
1406 else if(!strcmp(argv[2],"R"))
1407 call_account_func(user, argv[3]);
1408 else
1409 call_account_func(user, argv[2]); /* For backward compatability */
1410 return 1;
1411 }
1412
1413 static CMD_FUNC(cmd_fakehost)
1414 {
1415 struct userNode *user;
1416
1417 if ((argc < 3) || !origin || !GetServerH(origin))
1418 return 0;
1419 if (!(user = GetUserN(argv[1])))
1420 return 1;
1421 assign_fakehost(user, argv[2], 0);
1422 return 1;
1423 }
1424
1425 static struct {
1426 char *name;
1427 unsigned int priv;
1428 } privtab[] = {
1429 #define P(priv) { #priv, PRIV_ ## priv }
1430 P(CHAN_LIMIT), P(MODE_LCHAN), P(WALK_LCHAN), P(DEOP_LCHAN),
1431 P(SHOW_INVIS), P(SHOW_ALL_INVIS), P(UNLIMIT_QUERY), P(KILL),
1432 P(LOCAL_KILL), P(REHASH), P(RESTART), P(DIE),
1433 P(GLINE), P(LOCAL_GLINE), P(JUPE), P(LOCAL_JUPE),
1434 P(OPMODE), P(LOCAL_OPMODE), P(SET), P(WHOX),
1435 P(BADCHAN), P(LOCAL_BADCHAN), P(SEE_CHAN), P(PROPAGATE),
1436 P(DISPLAY), P(SEE_OPERS), P(WIDE_GLINE), P(FORCE_OPMODE),
1437 P(FORCE_LOCAL_OPMODE), P(REMOTEREHASH), P(CHECK), P(SEE_SECRET_CHAN),
1438 P(SHUN), P(LOCAL_SHUN), P(WIDE_SHUN),
1439 #undef P
1440 { 0, 0 }
1441 };
1442
1443 char *client_report_privs(struct userNode *client)
1444 {
1445 int i;
1446
1447 privbuf[0] = '\0';
1448 for (i = 0; privtab[i].name; i++) {
1449 if (HasPriv(client, privtab[i].priv)) {
1450 strcat(privbuf, privtab[i].name);
1451 strcat(privbuf, " ");
1452 }
1453 }
1454
1455 privbuf[strlen(privbuf)] = 0;
1456
1457 return privbuf;
1458 }
1459
1460 int client_modify_priv_by_name(struct userNode *who, char *priv, int what) {
1461 int i = 0;
1462 assert(0 != priv);
1463 assert(0 != who);
1464
1465 for (i = 0; privtab[i].name; i++) {
1466 if (0 == strcmp(privtab[i].name, priv)) {
1467 if (what == PRIV_ADD)
1468 GrantPriv(who, privtab[i].priv);
1469 else if (what == PRIV_DEL) {
1470 RevokePriv(who, privtab[i].priv);
1471 }
1472 }
1473 }
1474 return 0;
1475 }
1476
1477 int check_priv(char *priv)
1478 {
1479 int i;
1480
1481 for (i = 0; privtab[i].name; i++) {
1482 if (0 == strcmp(privtab[i].name, priv)) {
1483 return 1;
1484 }
1485 }
1486 return 0;
1487 }
1488
1489 void
1490 irc_privs(struct userNode *target, char *flag, int add)
1491 {
1492 client_modify_priv_by_name(target, flag, add);
1493 putsock("%s " P10_PRIVS " %s %s%s", self->numeric, target->numeric, (add == PRIV_ADD) ? "+" : "-", flag);
1494 }
1495
1496 static CMD_FUNC(cmd_privs)
1497 {
1498 char *tstr = NULL;
1499 int type = 0;
1500
1501 tstr = conf_get_data("server/type", RECDB_QSTRING);
1502 if(tstr)
1503 type = atoi(tstr);
1504
1505 if (type < 6)
1506 return 1; /* silently ignore */
1507
1508 struct userNode *user = argc > 1 ? GetUserN(argv[1]) : NULL;
1509 char buf[512] = "";
1510 int what = PRIV_ADD;
1511 char *p = 0;
1512 char *tmp;
1513 unsigned int i;
1514
1515 if (argc < 3)
1516 return 0;
1517
1518 if (!user)
1519 return 0;
1520
1521 for (i=1; i<argc; i++) {
1522 strcat(buf, argv[i]);
1523 strcat(buf, " ");
1524 }
1525
1526 for (i = 2; i < argc; i++) {
1527 if (*argv[i] == '+') { what = PRIV_ADD; argv[i]++; }
1528 if (*argv[i] == '-') { what = PRIV_DEL; argv[i]++; }
1529 for (tmp = x3_strtok(&p, argv[i], ","); tmp;
1530 tmp = x3_strtok(&p, NULL, ",")) {
1531 client_modify_priv_by_name(user, tmp, what);
1532 }
1533 }
1534 return 1;
1535 }
1536
1537 static CMD_FUNC(cmd_burst)
1538 {
1539 extern int rel_age;
1540 char modes[MAXLEN], *members = "";
1541 static char exemptlist[MAXLEN], banlist[MAXLEN];
1542 unsigned int next = 3, res = 1;
1543 int ctype = 0, echeck = 0, bcheck = 0;
1544 struct chanNode *cNode;
1545 struct userNode *un;
1546 struct modeNode *mNode;
1547 long mode;
1548 int oplevel = -1;
1549 char *user, *end, sep;
1550 time_t in_timestamp;
1551 char* parm = NULL;
1552
1553 if (argc < 3)
1554 return 0;
1555 modes[0] = 0;
1556
1557 exemptlist[0] = 0;
1558 banlist[0] = 0;
1559
1560 while (next < argc) {
1561 switch (argv[next][0]) {
1562 case '+': {
1563 const char *pos;
1564 int n_modes;
1565 for (pos=argv[next], n_modes = 1; *pos; pos++)
1566 if ((*pos == 'k') || (*pos == 'l') || (*pos == 'A')
1567 || (*pos == 'U'))
1568 n_modes++;
1569 unsplit_string(argv+next, n_modes, modes);
1570 next += n_modes;
1571 break;
1572 }
1573 case '%': {
1574 for(parm = mysep(&argv[next], " "); /* parm = first param */
1575 parm; /* While param is not null */
1576 parm = mysep(&argv[next], " ") /* parm = next param */
1577 )
1578 {
1579 switch (parm[0]) {
1580 case '%': {
1581 ctype = 1;
1582 break;
1583 }
1584 case '~': {
1585 ctype = 2;
1586 break;
1587 }
1588 default: {
1589 break;
1590 }
1591 }
1592 if (ctype == 1) {
1593 if (bcheck == 0) {
1594 /* strip % char off start of very first ban */
1595 if (strlen(parm) > 1) {
1596 strncat(banlist, strtok(parm, "%"), sizeof(banlist) - 1 - strlen(banlist));
1597 strncat(banlist, " ", sizeof(banlist) - 1 - strlen(banlist));
1598 }
1599 bcheck = 1;
1600 } else {
1601 strncat(banlist, parm, sizeof(banlist) - 1 - strlen(banlist));
1602 strncat(banlist, " ", sizeof(banlist) - 1 - strlen(banlist));
1603 }
1604 } else if (ctype == 2) {
1605 if (echeck == 0) {
1606 echeck = 1;
1607 } else {
1608 strncat(exemptlist, parm, sizeof(exemptlist) - 1 - strlen(exemptlist));
1609 strncat(exemptlist, " ", sizeof(exemptlist) - 1 - strlen(exemptlist));
1610 }
1611 }
1612 }
1613 next++;
1614 break;
1615 }
1616 default: members = argv[next++]; break;
1617 }
1618 }
1619
1620 in_timestamp = atoi(argv[2]);
1621 if ((cNode = dict_find(unbursted_channels, argv[1], NULL))) {
1622 cNode->timestamp = in_timestamp;
1623 dict_remove(unbursted_channels, cNode->name);
1624 irc_burst(cNode);
1625 }
1626 cNode = AddChannel(argv[1], in_timestamp, modes, banlist, exemptlist);
1627
1628 /* Burst channel members in now. */
1629 for (user = members, sep = *members, mode = 0; sep; user = end) {
1630 for (end = user + 3; isalnum(*end) || *end == '[' || *end == ']'; end++) ;
1631 sep = *end++; end[-1] = 0;
1632 if (sep == ':') {
1633 mode = 0;
1634 while ((sep = *end++)) {
1635 if (sep == 'o') {
1636 mode |= MODE_CHANOP;
1637 oplevel = -1;
1638 } else if (sep == 'h') {
1639 mode |= MODE_HALFOP;
1640 oplevel = -1;
1641 } else if (sep == 'v') {
1642 mode |= MODE_VOICE;
1643 oplevel = -1;
1644 } else if (isdigit(sep)) {
1645 mode |= MODE_CHANOP;
1646 if (oplevel >= 0)
1647 oplevel += parse_oplevel(end);
1648 else
1649 oplevel = parse_oplevel(end);
1650 while (isdigit(*end)) end++;
1651 } else
1652 break;
1653 }
1654 if (rel_age < 0)
1655 mode = 0;
1656 }
1657 if (!(un = GetUserN(user))) {
1658 res = 0;
1659 continue;
1660 }
1661 if ((mNode = AddChannelUser(un, cNode))) {
1662 mNode->modes = mode;
1663 mNode->oplevel = oplevel;
1664 }
1665 }
1666
1667 return res;
1668 }
1669
1670 static CMD_FUNC(cmd_mode)
1671 {
1672 struct chanNode *cn;
1673 struct userNode *un;
1674 char *sethost; // sethost - reed/apples
1675 int i; // sethost - reed/apples
1676
1677 if (argc < 3)
1678 return 0;
1679 if (!IsChannelName(argv[1])) {
1680 un = GetUserH(argv[1]);
1681 if (!un) {
1682 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s whose mode is changing.", argv[1]);
1683 return 0;
1684 }
1685 // sethost - reed/apples
1686 if (argc == 3)
1687 mod_usermode(un, argv[2]);
1688 else {
1689 sethost = malloc(strlen(argv[2]) + 1 + strlen(argv[3]) + 1);
1690 i = 0;
1691 while((sethost[i++] = *argv[2]++));
1692 i--;
1693 sethost[i++] = ' ';
1694 while((sethost[i++] = *argv[3]++));
1695 mod_usermode(un, sethost); // sethost - reed/apples
1696 }
1697
1698 return 1;
1699 }
1700
1701 if (!(cn = GetChannel(argv[1]))) {
1702 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1703 return 0;
1704 }
1705 if ((un = GetUserH(origin))) {
1706 struct modeNode *mn;
1707 /* Update idle time for person setting the mode */
1708 if ((mn = GetUserMode(cn, un)))
1709 mn->idle_since = now;
1710 } else {
1711 /* If it came from a server, reset timestamp to re-sync. */
1712 cn->timestamp = atoi(argv[argc-1]);
1713 }
1714
1715 if (checkDefCon(DEFCON_NO_MODE_CHANGE) && !IsOper(un)) {
1716 const char *str;
1717 str = conf_get_data("services/opserv/nick", RECDB_QSTRING);
1718 if (str) {
1719 char modes[MODELEN];
1720 struct userNode *opserv = GetUserH(str);
1721
1722 send_message_type(4, un, opserv, "Channel modes cannot be changed due to DefCon level %d in effect, please try again soon", DefConLevel);
1723 irc_make_chanmode(cn, modes);
1724 irc_mode(opserv, cn, modes);
1725 irc_mode(opserv, cn, DefConChanModes);
1726 }
1727 return 1;
1728 }
1729
1730
1731 return mod_chanmode(un, cn, argv+2, argc-2, MCP_ALLOW_OVB|MCP_FROM_SERVER|(un ? MC_NOTIFY : 0));
1732 }
1733
1734 static CMD_FUNC(cmd_opmode)
1735 {
1736 struct chanNode *cn;
1737 struct userNode *un;
1738
1739 if (argc < 3)
1740 return 0;
1741
1742 if (!(cn = GetChannel(argv[1]))) {
1743 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1744 return 0;
1745 }
1746 if (!(un = GetUserH(origin))) {
1747 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s requesting OPMODE.", origin);
1748 return 0;
1749 }
1750 if (!IsOper(un)) {
1751 log_module(MAIN_LOG, LOG_ERROR, "Non-privileged user %s using OPMODE.", un->nick);
1752 return 0;
1753 }
1754
1755 return mod_chanmode(un, cn, argv+2, argc-2, MCP_ALLOW_OVB|MCP_FROM_SERVER); /* do NOT announce opmode locally */
1756 }
1757
1758 static int clear_chanmode(struct chanNode *channel, const char *modes);
1759
1760 static CMD_FUNC(cmd_clearmode)
1761 {
1762 struct chanNode *cn;
1763 struct userNode *un;
1764
1765 if (argc < 3)
1766 return 0;
1767
1768 if (!(cn = GetChannel(argv[1]))) {
1769 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1770 return 0;
1771 }
1772 if (!(un = GetUserH(origin))) {
1773 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s requesting CLEARMODE.", origin);
1774 return 0;
1775 }
1776 if (!IsOper(un)) {
1777 log_module(MAIN_LOG, LOG_ERROR, "Non-privileged user %s using CLEARMODE.", un->nick);
1778 return 0;
1779 }
1780
1781 return clear_chanmode(cn, argv[2]);
1782 }
1783
1784 static CMD_FUNC(cmd_topic)
1785 {
1786 struct chanNode *cn;
1787 time_t chan_ts, topic_ts;
1788 struct userNode *user;
1789
1790 if (argc < 3)
1791 return 0;
1792 if (!(cn = GetChannel(argv[1]))) {
1793 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose topic is being set", argv[1]);
1794 return 0;
1795 }
1796
1797
1798 if (argc == 5) { /* Asuka / Topic Bursting IRCu's */
1799 user = GetUserH(origin);
1800 chan_ts = atoi(argv[2]);
1801 topic_ts = atoi(argv[3]);
1802 } else if (argc >= 6) { /* Nefarious 0.5.0 */
1803 user = GetUserH(strtok(argv[2], "!"));
1804 chan_ts = atoi(argv[3]);
1805 topic_ts = atoi(argv[4]);
1806 } else { /* Regular IRCu (No Topic Bursting)*/
1807 user = GetUserH(origin);
1808 chan_ts = cn->timestamp;
1809 topic_ts = now;
1810 }
1811
1812 SetChannelTopic(cn, user, user, argv[argc-1], 0);
1813 cn->topic_time = topic_ts;
1814 return 1;
1815 }
1816
1817 static CMD_FUNC(cmd_num_topic)
1818 {
1819 struct chanNode *cn;
1820
1821 if (!argv[0])
1822 return 0; /* huh? */
1823 if (argv[2]) {
1824 cn = GetChannel(argv[2]);
1825 if (!cn) {
1826 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s in topic reply", argv[2]);
1827 return 0;
1828 }
1829 } else
1830 return 0;
1831
1832 switch (atoi(argv[0])) {
1833 case 331:
1834 cn->topic_time = 0;
1835 break; /* no topic */
1836 case 332:
1837 if (argc < 4)
1838 return 0;
1839 safestrncpy(cn->topic, unsplit_string(argv+3, argc-3, NULL), sizeof(cn->topic));
1840 break;
1841 case 333:
1842 if (argc < 5)
1843 return 0;
1844 safestrncpy(cn->topic_nick, argv[3], sizeof(cn->topic_nick));
1845 cn->topic_time = atoi(argv[4]);
1846 break;
1847 default:
1848 return 0; /* should never happen */
1849 }
1850 return 1;
1851 }
1852
1853 static CMD_FUNC(cmd_num_gline)
1854 {
1855 if (argc < 6)
1856 return 0;
1857 gline_add(origin, argv[3], atoi(argv[4])-now, argv[5], now, 0, 0);
1858 return 1;
1859 }
1860
1861 static CMD_FUNC(cmd_num_shun)
1862 {
1863 if (argc < 6)
1864 return 0;
1865 shun_add(origin, argv[3], atoi(argv[4])-now, argv[5], now, 0);
1866 return 1;
1867 }
1868
1869 static CMD_FUNC(cmd_quit)
1870 {
1871 struct userNode *user;
1872 if (argc < 2)
1873 return 0;
1874 /* Sometimes we get a KILL then a QUIT or the like, so we don't want to
1875 * call DelUser unless we have the user in our grasp. */
1876 if ((user = GetUserH(origin)))
1877 DelUser(user, NULL, false, argv[1]);
1878 return 1;
1879 }
1880
1881 static CMD_FUNC(cmd_kill)
1882 {
1883 struct userNode *user;
1884 if (argc < 2)
1885 return 0;
1886 user = GetUserN(argv[1]);
1887 if (!user) {
1888 /* If we get a KILL for a non-existent user, it could be a
1889 * Ghost response to a KILL we sent out earlier. So we only
1890 * whine if the target is local.
1891 */
1892 if (!strncmp(argv[1], self->numeric, strlen(self->numeric)))
1893 log_module(MAIN_LOG, LOG_ERROR, "Unable to find kill victim %s", argv[1]);
1894 return 0;
1895 }
1896
1897 if (IsLocal(user) && IsService(user)) {
1898 /* TODO: rate limit this so silly things don't happen. */
1899 ReintroduceUser(user);
1900 return 1;
1901 }
1902
1903 DelUser(user, NULL, false, argv[2]);
1904 return 1;
1905 }
1906
1907 static CMD_FUNC(cmd_part)
1908 {
1909 struct userNode *user;
1910
1911 if (argc < 2)
1912 return 0;
1913 user = GetUserH(origin);
1914 if (!user)
1915 return 0;
1916 parse_foreach(argv[1], part_helper, NULL, NULL, NULL, user);
1917 return 1;
1918 }
1919
1920 static CMD_FUNC(cmd_svspart)
1921 {
1922 struct userNode *user;
1923
1924 if (argc < 3)
1925 return 0;
1926 user = GetUserH(argv[1]);
1927 if (!user)
1928 return 0;
1929 parse_foreach(argv[2], part_helper, NULL, NULL, NULL, user);
1930 return 1;
1931 }
1932
1933 static CMD_FUNC(cmd_silence)
1934 {
1935 struct userNode *user;
1936 char *mask;
1937 char *new_mask;
1938 unsigned int i;
1939
1940 if (argc < 2)
1941 return 0;
1942
1943 user = GetUserN(argv[1]);
1944
1945 /* Sanity, go nuts if this happens */
1946 if (!user)
1947 return 0;
1948
1949 /* We can safely ignore this if a user adding a silence is not
1950 * ignored. However this brings up a TODO. If a user logs in and
1951 * they have silences on the IRCd then we need to set them here
1952 * somehow
1953 */
1954 if (!user->handle_info)
1955 return 1;
1956
1957 mask = argv[2];
1958
1959 if (*mask == '-') {
1960 for (i=0; i<user->handle_info->ignores->used; i++) {
1961 if (!irccasecmp(mask+1, user->handle_info->ignores->list[i]))
1962 user->handle_info->ignores->list[i] = user->handle_info->ignores->list[--user->handle_info->ignores->used];
1963 }
1964 } else {
1965 for (i=0; i<user->handle_info->ignores->used; i++) {
1966 if (!strcmp(mask+1, user->handle_info->ignores->list[i]))
1967 return 1; /* Already on the users NickServ ignore list, safely ignore */
1968 }
1969
1970 new_mask = strdup(mask+1);
1971 string_list_append(user->handle_info->ignores, new_mask);
1972 }
1973 return 1;
1974 }
1975
1976 static CMD_FUNC(cmd_kick)
1977 {
1978 if (argc < 3)
1979 return 0;
1980 ChannelUserKicked(GetUserH(origin), GetUserN(argv[2]), GetChannel(argv[1]));
1981 return 1;
1982 }
1983
1984 static CMD_FUNC(cmd_squit)
1985 {
1986 struct server *server;
1987 char *uplink;
1988
1989 if (argc < 4)
1990 return 0;
1991 if (!(server = GetServerH(argv[1])))
1992 return 0;
1993
1994 if (server == self->uplink) {
1995 /* Force a reconnect to the currently selected server. */
1996 cManager.uplink->tries = 0;
1997 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", argv[3]);
1998 close_socket();
1999 return 1;
2000 }
2001
2002 uplink = strdup(server->uplink->name);
2003 DelServer(server, 0, argv[3]);
2004 /* if its a pingout and pingout connecting is enabled
2005 or its a read error and readerror connecting is enabled
2006 or were doing a "N" and i need to connect that server somewhere */
2007 routing_handle_squit(argv[1], uplink, argv[3]);
2008 free(uplink);
2009 return 1;
2010 }
2011
2012 static CMD_FUNC(cmd_privmsg)
2013 {
2014 struct privmsg_desc pd;
2015 if (argc != 3)
2016 return 0;
2017 pd.user = GetUserH(origin);
2018 if (!pd.user || (IsGagged(pd.user) && !IsOper(pd.user)))
2019 return 1;
2020
2021 if (checkDefCon(DEFCON_OPER_ONLY) && !IsOper(pd.user)) {
2022 const char *str;
2023 str = conf_get_data("services/opserv/nick", RECDB_QSTRING);
2024 if (str)
2025 send_message_type(4, pd.user, GetUserH(str), "Services are currently not available, please try again soon");
2026 return 1;
2027 }
2028
2029 if (checkDefCon(DEFCON_SILENT_OPER_ONLY) && !IsOper(pd.user))
2030 return 1; /* Silently Ignore */
2031
2032 pd.is_notice = 0;
2033 pd.text = argv[2];
2034 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
2035 return 1;
2036 }
2037
2038 static CMD_FUNC(cmd_notice)
2039 {
2040 struct privmsg_desc pd;
2041 struct server *srv;
2042 int nuser = 0;
2043
2044 if (argc != 3)
2045 return 0;
2046
2047 pd.user = GetUserH(origin);
2048 if(!pd.user)
2049 nuser = 1;
2050 if (!pd.user || (IsGagged(pd.user) && !IsOper(pd.user))) {
2051 }
2052 else {
2053 pd.is_notice = 1;
2054 pd.text = argv[2];
2055 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
2056 }
2057
2058 srv = GetServerH(origin);
2059 if(srv) {
2060 char *sargv[MAXNUMPARAMS];
2061 int sargc;
2062
2063 sargc = split_line(argv[2], true, MAXNUMPARAMS, sargv);
2064
2065 if(!strcasecmp(sargv[0], "Connect:")) {
2066 /* :Connect: Host shoe.loxxin.net not listed in ircd.conf */
2067 if(!strcasecmp(sargv[3], "not") && !strcasecmp(sargv[4], "listed")) {
2068 routing_handle_connect_failure(srv, sargv[2], unsplit_string(sargv+3, sargc-3, NULL));
2069 }
2070 }
2071 else if(!strcasecmp(sargv[0], "Link")) {
2072 /* :Link with mephisto.etheria.cx cancelled: Server mephisto.etheria.cx[216.46.33.71]
2073 *
2074 * :Link with laptop.afternet.org cancelled: Connection refused
2075 */
2076 if(!strcasecmp(sargv[3], "cancelled:")) {
2077 routing_handle_connect_failure(srv, sargv[2], unsplit_string(sargv+4, sargc-4, NULL));
2078 }
2079 }
2080 }
2081 return 1;
2082 }
2083
2084 static CMD_FUNC(cmd_away)
2085 {
2086 struct userNode *uNode;
2087
2088 uNode = GetUserH(origin);
2089 if (!uNode)
2090 return 1;
2091 if (argc < 2)
2092 uNode->modes &= ~FLAGS_AWAY;
2093 else
2094 uNode->modes |= FLAGS_AWAY;
2095 return 1;
2096 }
2097
2098 static CMD_FUNC(cmd_gline)
2099 {
2100 if (argc < 3)
2101 return 0;
2102 if (argv[2][0] == '+') {
2103 if (argc < 5)
2104 return 0;
2105 gline_add(origin, argv[2]+1, strtoul(argv[3], NULL, 0), argv[argc-1], now, 0, 0);
2106 return 1;
2107 } else if (argv[2][0] == '-') {
2108 gline_remove(argv[2]+1, 0);
2109 return 1;
2110 } else
2111 return 0;
2112 }
2113
2114 static CMD_FUNC(cmd_shun)
2115 {
2116 if (argc < 3)
2117 return 0;
2118 if (argv[2][0] == '+') {
2119 if (argc < 5)
2120 return 0;
2121 shun_add(origin, argv[2]+1, strtoul(argv[3], NULL, 0), argv[argc-1], now, 0);
2122 return 1;
2123 } else if (argv[2][0] == '-') {
2124 shun_remove(argv[2]+1, 0);
2125 return 1;
2126 } else
2127 return 0;
2128 }
2129
2130 static CMD_FUNC(cmd_svsnick)
2131 {
2132 struct userNode *target, *dest;
2133 if ((argc < 4)
2134 || !(target = GetUserN(argv[1]))
2135 || !IsLocal(target)
2136 || (dest = GetUserH(argv[2])))
2137 return 0;
2138 NickChange(target, argv[2], 0);
2139 return 1;
2140 }
2141
2142 static oper_func_t *of_list;
2143 static unsigned int of_size = 0, of_used = 0;
2144
2145 void
2146 free_user(struct userNode *user)
2147 {
2148 free(user->nick);
2149 free(user);
2150 }
2151
2152 static void
2153 parse_cleanup(void)
2154 {
2155 unsigned int nn;
2156 free(of_list);
2157 free(privmsg_funcs);
2158 free(notice_funcs);
2159 free(mcf_list);
2160 dict_delete(irc_func_dict);
2161 for (nn=0; nn<dead_users.used; nn++)
2162 free_user(dead_users.list[nn]);
2163 userList_clean(&dead_users);
2164 }
2165
2166 static void
2167 p10_conf_reload(void) {
2168 hidden_host_suffix = conf_get_data("server/hidden_host", RECDB_QSTRING);
2169 }
2170
2171 static void
2172 remove_unbursted_channel(struct chanNode *cNode) {
2173 if (unbursted_channels)
2174 dict_remove(unbursted_channels, cNode->name);
2175 }
2176
2177 void
2178 init_parse(void)
2179 {
2180 const char *str, *desc;
2181 int numnick, usermask, max_users;
2182 char numer[COMBO_NUMERIC_LEN+1];
2183
2184 /* read config items */
2185 str = conf_get_data("server/extended_accounts", RECDB_QSTRING);
2186 extended_accounts = str ? enabled_string(str) : 1;
2187 str = conf_get_data("server/ping_freq", RECDB_QSTRING);
2188 ping_freq = str ? ParseInterval(str) : 120;
2189 str = conf_get_data("server/ping_timeout", RECDB_QSTRING);
2190 ping_timeout = str ? ParseInterval(str) : 30;
2191 str = conf_get_data("server/force_n2k", RECDB_QSTRING);
2192 force_n2k = str ? enabled_string(str) : 1;
2193 str = conf_get_data("server/numeric", RECDB_QSTRING);
2194 if (!str) {
2195 log_module(MAIN_LOG, LOG_ERROR, "No server/numeric entry in config file.");
2196 exit(1);
2197 }
2198 numnick = atoi(str);
2199 str = conf_get_data("server/max_users", RECDB_QSTRING);
2200 max_users = str ? atoi(str) : 4096;
2201 for (usermask = 4; usermask < max_users; usermask <<= 1) ;
2202 usermask--;
2203 if ((numnick < 64) && (usermask < 4096) && !force_n2k)
2204 inttobase64(numer, (numnick << 12) + (usermask & 0x00fff), 3);
2205 else
2206 inttobase64(numer, (numnick << 18) + (usermask & 0x3ffff), 5);
2207
2208 str = conf_get_data("server/his_servername", RECDB_QSTRING);
2209 his_servername = str ? strdup(str) : NULL;
2210 str = conf_get_data("server/his_servercomment", RECDB_QSTRING);
2211 his_servercomment = str ? strdup(str) : NULL;
2212
2213 str = conf_get_data("server/hostname", RECDB_QSTRING);
2214 desc = conf_get_data("server/description", RECDB_QSTRING);
2215 if (!str || !desc) {
2216 log_module(MAIN_LOG, LOG_ERROR, "No server/hostname entry in config file.");
2217 exit(1);
2218 }
2219 self = AddServer(NULL, str, 0, boot_time, now, numer, desc);
2220 conf_register_reload(p10_conf_reload);
2221
2222 irc_func_dict = dict_new();
2223 dict_insert(irc_func_dict, CMD_BURST, cmd_burst);
2224 dict_insert(irc_func_dict, TOK_BURST, cmd_burst);
2225 dict_insert(irc_func_dict, CMD_CREATE, cmd_create);
2226 dict_insert(irc_func_dict, TOK_CREATE, cmd_create);
2227 dict_insert(irc_func_dict, CMD_EOB, cmd_eob);
2228 dict_insert(irc_func_dict, TOK_EOB, cmd_eob);
2229 dict_insert(irc_func_dict, CMD_EOB_ACK, cmd_eob_ack);
2230 dict_insert(irc_func_dict, TOK_EOB_ACK, cmd_eob_ack);
2231 dict_insert(irc_func_dict, CMD_MODE, cmd_mode);
2232 dict_insert(irc_func_dict, TOK_MODE, cmd_mode);
2233 dict_insert(irc_func_dict, CMD_NICK, cmd_nick);
2234 dict_insert(irc_func_dict, TOK_NICK, cmd_nick);
2235 dict_insert(irc_func_dict, CMD_ACCOUNT, cmd_account);
2236 dict_insert(irc_func_dict, TOK_ACCOUNT, cmd_account);
2237 dict_insert(irc_func_dict, CMD_FAKEHOST, cmd_fakehost);
2238 dict_insert(irc_func_dict, TOK_FAKEHOST, cmd_fakehost);
2239 dict_insert(irc_func_dict, CMD_PASS, cmd_pass);
2240 dict_insert(irc_func_dict, TOK_PASS, cmd_pass);
2241 dict_insert(irc_func_dict, CMD_PING, cmd_ping);
2242 dict_insert(irc_func_dict, TOK_PING, cmd_ping);
2243 dict_insert(irc_func_dict, CMD_PRIVMSG, cmd_privmsg);
2244 dict_insert(irc_func_dict, TOK_PRIVMSG, cmd_privmsg);
2245 dict_insert(irc_func_dict, CMD_PONG, cmd_pong);
2246 dict_insert(irc_func_dict, TOK_PONG, cmd_pong);
2247 dict_insert(irc_func_dict, CMD_QUIT, cmd_quit);
2248 dict_insert(irc_func_dict, TOK_QUIT, cmd_quit);
2249 dict_insert(irc_func_dict, CMD_SERVER, cmd_server);
2250 dict_insert(irc_func_dict, TOK_SERVER, cmd_server);
2251 dict_insert(irc_func_dict, CMD_JOIN, cmd_join);
2252 dict_insert(irc_func_dict, TOK_JOIN, cmd_join);
2253 dict_insert(irc_func_dict, CMD_PART, cmd_part);
2254 dict_insert(irc_func_dict, TOK_PART, cmd_part);
2255 dict_insert(irc_func_dict, CMD_ERROR, cmd_error);
2256 dict_insert(irc_func_dict, TOK_ERROR, cmd_error);
2257 dict_insert(irc_func_dict, CMD_TOPIC, cmd_topic);
2258 dict_insert(irc_func_dict, TOK_TOPIC, cmd_topic);
2259 dict_insert(irc_func_dict, CMD_AWAY, cmd_away);
2260 dict_insert(irc_func_dict, TOK_AWAY, cmd_away);
2261 dict_insert(irc_func_dict, CMD_SILENCE, cmd_silence);
2262 dict_insert(irc_func_dict, TOK_SILENCE, cmd_silence);
2263 dict_insert(irc_func_dict, CMD_KICK, cmd_kick);
2264 dict_insert(irc_func_dict, TOK_KICK, cmd_kick);
2265 dict_insert(irc_func_dict, CMD_SQUIT, cmd_squit);
2266 dict_insert(irc_func_dict, TOK_SQUIT, cmd_squit);
2267 dict_insert(irc_func_dict, CMD_KILL, cmd_kill);
2268 dict_insert(irc_func_dict, TOK_KILL, cmd_kill);
2269 dict_insert(irc_func_dict, CMD_NOTICE, cmd_notice);
2270 dict_insert(irc_func_dict, TOK_NOTICE, cmd_notice);
2271 dict_insert(irc_func_dict, CMD_STATS, cmd_stats);
2272 dict_insert(irc_func_dict, TOK_STATS, cmd_stats);
2273 dict_insert(irc_func_dict, CMD_SVSJOIN, cmd_svsjoin);
2274 dict_insert(irc_func_dict, TOK_SVSJOIN, cmd_svsjoin);
2275 dict_insert(irc_func_dict, CMD_SVSNICK, cmd_svsnick);
2276 dict_insert(irc_func_dict, TOK_SVSNICK, cmd_svsnick);
2277 dict_insert(irc_func_dict, CMD_SVSPART, cmd_svspart);
2278 dict_insert(irc_func_dict, TOK_SVSPART, cmd_svspart);
2279 dict_insert(irc_func_dict, CMD_SWHOIS, cmd_dummy);
2280 dict_insert(irc_func_dict, TOK_SWHOIS, cmd_dummy);
2281 dict_insert(irc_func_dict, CMD_WHOIS, cmd_whois);
2282 dict_insert(irc_func_dict, TOK_WHOIS, cmd_whois);
2283 dict_insert(irc_func_dict, CMD_GLINE, cmd_gline);
2284 dict_insert(irc_func_dict, TOK_GLINE, cmd_gline);
2285 dict_insert(irc_func_dict, CMD_SHUN, cmd_shun);
2286 dict_insert(irc_func_dict, TOK_SHUN, cmd_shun);
2287 dict_insert(irc_func_dict, CMD_OPMODE, cmd_opmode);
2288 dict_insert(irc_func_dict, TOK_OPMODE, cmd_opmode);
2289 dict_insert(irc_func_dict, CMD_CLEARMODE, cmd_clearmode);
2290 dict_insert(irc_func_dict, TOK_CLEARMODE, cmd_clearmode);
2291 dict_insert(irc_func_dict, CMD_VERSION, cmd_version);
2292 dict_insert(irc_func_dict, TOK_VERSION, cmd_version);
2293 dict_insert(irc_func_dict, CMD_ADMIN, cmd_admin);
2294 dict_insert(irc_func_dict, TOK_ADMIN, cmd_admin);
2295
2296 /* In P10, DESTRUCT doesn't do anything except be broadcast to servers.
2297 * Apparently to obliterate channels from any servers that think they
2298 * exist?
2299 */
2300 dict_insert(irc_func_dict, CMD_DESTRUCT, cmd_dummy);
2301 dict_insert(irc_func_dict, TOK_DESTRUCT, cmd_dummy);
2302 /* Ignore invites */
2303 dict_insert(irc_func_dict, CMD_INVITE, cmd_dummy);
2304 dict_insert(irc_func_dict, TOK_INVITE, cmd_dummy);
2305 /* DESYNCH is just informational, so ignore it */
2306 dict_insert(irc_func_dict, CMD_DESYNCH, cmd_dummy);
2307 dict_insert(irc_func_dict, TOK_DESYNCH, cmd_dummy);
2308 /* Ignore channel operator notices. */
2309 dict_insert(irc_func_dict, CMD_WALLCHOPS, cmd_dummy);
2310 dict_insert(irc_func_dict, TOK_WALLCHOPS, cmd_dummy);
2311 dict_insert(irc_func_dict, CMD_WALLVOICES, cmd_dummy);
2312 dict_insert(irc_func_dict, TOK_WALLVOICES, cmd_dummy);
2313 dict_insert(irc_func_dict, CMD_WALLHOPS, cmd_dummy);
2314 dict_insert(irc_func_dict, TOK_WALLHOPS, cmd_dummy);
2315 /* Ignore opers being silly. */
2316 dict_insert(irc_func_dict, CMD_WALLOPS, cmd_dummy);
2317 dict_insert(irc_func_dict, TOK_WALLOPS, cmd_dummy);
2318 dict_insert(irc_func_dict, CMD_WALLHOPS, cmd_dummy);
2319 dict_insert(irc_func_dict, TOK_WALLHOPS, cmd_dummy);
2320 dict_insert(irc_func_dict, TOK_WALLUSERS, cmd_dummy);
2321 /* Ignore dnsbl exemptions */
2322 dict_insert(irc_func_dict, TOK_EXEMPT, cmd_dummy);
2323 dict_insert(irc_func_dict, TOK_MARK, cmd_dummy);
2324 dict_insert(irc_func_dict, CMD_PRIVS, cmd_privs);
2325 dict_insert(irc_func_dict, TOK_PRIVS, cmd_privs);
2326 /* Ignore remote luser */
2327 dict_insert(irc_func_dict, TOK_LUSERS, cmd_dummy);
2328 /* We have reliable clock! Always! Wraaa! */
2329 dict_insert(irc_func_dict, CMD_SETTIME, cmd_dummy);
2330 dict_insert(irc_func_dict, TOK_SETTIME, cmd_dummy);
2331
2332 /* ignore /trace and /motd commands targetted at us */
2333 dict_insert(irc_func_dict, TOK_TRACE, cmd_dummy);
2334 dict_insert(irc_func_dict, TOK_MOTD, cmd_dummy);
2335
2336 /* handle topics */
2337 dict_insert(irc_func_dict, "331", cmd_num_topic);
2338 dict_insert(irc_func_dict, "332", cmd_num_topic);
2339 dict_insert(irc_func_dict, "333", cmd_num_topic);
2340 dict_insert(irc_func_dict, "345", cmd_dummy); /* blah has been invited to blah */
2341 dict_insert(irc_func_dict, "432", cmd_error_nick); /* Erroneus [sic] nickname */
2342 /* ban list resetting */
2343 /* "stats g" responses */
2344 dict_insert(irc_func_dict, "247", cmd_num_gline);
2345 dict_insert(irc_func_dict, "542", cmd_num_shun);
2346 dict_insert(irc_func_dict, "219", cmd_dummy); /* "End of /STATS report" */
2347 /* other numeric responses we might get */
2348 dict_insert(irc_func_dict, "401", cmd_dummy); /* target left network */
2349 dict_insert(irc_func_dict, "403", cmd_dummy); /* no such channel */
2350 dict_insert(irc_func_dict, "404", cmd_dummy); /* cannot send to channel */
2351 dict_insert(irc_func_dict, "439", cmd_dummy); /* target change too fast */
2352 dict_insert(irc_func_dict, "441", cmd_dummy); /* target isn't on that channel */
2353 dict_insert(irc_func_dict, "442", cmd_dummy); /* you aren't on that channel */
2354 dict_insert(irc_func_dict, "443", cmd_dummy); /* is already on channel (after invite?) */
2355 dict_insert(irc_func_dict, "461", cmd_dummy); /* Not enough parameters (after TOPIC w/ 0 args) */
2356 dict_insert(irc_func_dict, "467", cmd_dummy); /* Channel key already set */
2357
2358 num_privmsg_funcs = 16;
2359 privmsg_funcs = malloc(sizeof(privmsg_func_t)*num_privmsg_funcs);
2360 memset(privmsg_funcs, 0, sizeof(privmsg_func_t)*num_privmsg_funcs);
2361
2362 num_notice_funcs = 16;
2363 notice_funcs = malloc(sizeof(privmsg_func_t)*num_notice_funcs);
2364 memset(notice_funcs, 0, sizeof(privmsg_func_t)*num_notice_funcs);
2365
2366 userList_init(&dead_users);
2367 reg_del_channel_func(remove_unbursted_channel);
2368 reg_exit_func(parse_cleanup);
2369 }
2370
2371 int
2372 parse_line(char *line, int recursive)
2373 {
2374 char *argv[MAXNUMPARAMS], *origin;
2375 int argc, cmd, res=0;
2376 cmd_func_t *func;
2377
2378 argc = split_line(line, true, MAXNUMPARAMS, argv);
2379 cmd = self->uplink || !argv[0][1] || !argv[0][2];
2380 if (argc > cmd) {
2381 if (cmd) {
2382 if (argv[0][0] == ':') {
2383 origin = argv[0]+1;
2384 } else if (!argv[0][1] || !argv[0][2]) {
2385 struct server *sNode = GetServerN(argv[0]);
2386 origin = sNode ? sNode->name : 0;
2387 } else {
2388 struct userNode *uNode = GetUserN(argv[0]);
2389 origin = uNode ? uNode->nick : 0;
2390 }
2391 } else
2392 origin = 0;
2393 if ((func = dict_find(irc_func_dict, argv[cmd], NULL)))
2394 res = func(origin, argc-cmd, argv+cmd);
2395 }
2396 if (!res) {
2397 log_module(MAIN_LOG, LOG_ERROR, "PARSE ERROR on line: %s", unsplit_string(argv, argc, NULL));
2398 } else if (!recursive) {
2399 unsigned int i;
2400 for (i=0; i<dead_users.used; i++)
2401 free_user(dead_users.list[i]);
2402 dead_users.used = 0;
2403 }
2404 return res;
2405 }
2406
2407 static void
2408 parse_foreach(char *target_list, foreach_chanfunc cf, foreach_nonchan nc, foreach_userfunc uf, foreach_nonuser nu, void *data)
2409 {
2410 char *j, old;
2411
2412 do {
2413 j = target_list;
2414 while (*j != 0 && *j != ',')
2415 j++;
2416 old = *j;
2417 *j = 0;
2418
2419 if (IsChannelName(target_list)
2420 || (target_list[0] == '0' && target_list[1] == '\0')) {
2421 struct chanNode *chan = GetChannel(target_list);
2422
2423 if (chan) {
2424 if (cf)
2425 cf(chan, data);
2426 } else {
2427 if (nc)
2428 nc(target_list, data);
2429 }
2430 } else {
2431 struct userNode *user;
2432 struct privmsg_desc *pd = data;
2433
2434 pd->is_qualified = 0;
2435 if (*target_list == '@') {
2436 user = NULL;
2437 } else if (strchr(target_list, '@')) {
2438 struct server *server;
2439
2440 pd->is_qualified = 1;
2441 user = GetUserH(strtok(target_list, "@"));
2442 server = GetServerH(strtok(NULL, "@"));
2443
2444 if (user && (user->uplink != server)) {
2445 /* Don't attempt to index into any arrays
2446 using a user's numeric on another server. */
2447 user = NULL;
2448 }
2449 } else {
2450 user = GetUserN(target_list);
2451 }
2452
2453 if (user) {
2454 if (uf)
2455 uf(user, data);
2456 } else {
2457 if (nu)
2458 nu(target_list, data);
2459 }
2460 }
2461 target_list = j+1;
2462 } while (old == ',');
2463 }
2464
2465 static int
2466 get_local_numeric(void)
2467 {
2468 static unsigned int next_numeric = 0;
2469 if (self->clients > self->num_mask)
2470 return -1;
2471 while (self->users[next_numeric])
2472 if (++next_numeric > self->num_mask)
2473 next_numeric = 0;
2474 return next_numeric;
2475 }
2476
2477 static void
2478 make_numeric(struct server *svr, int local_num, char *outbuf)
2479 {
2480 int slen, llen;
2481
2482 if (force_n2k || svr->numeric[1]) {
2483 slen = 2;
2484 llen = 3;
2485 } else {
2486 slen = 1;
2487 llen = (local_num < 64*64) ? 2 : 3;
2488 }
2489 strncpy(outbuf, svr->numeric, slen);
2490 inttobase64(outbuf+slen, local_num, llen);
2491 outbuf[slen+llen] = 0;
2492 }
2493
2494 struct server *
2495 AddServer(struct server *uplink, const char *name, int hops, time_t boot, time_t link, const char *numeric, const char *description)
2496 {
2497 struct server* sNode;
2498 int slen, mlen;
2499
2500 if ((sNode = GetServerN(numeric))) {
2501 /* This means we're trying to re-add an existant server.
2502 * To be safe, we should forget the previous incarnation.
2503 * (And all its linked servers.)
2504 *
2505 * It usually only happens in replays when the original
2506 * had a ping timeout and the replay didn't (because
2507 * replaying a ping timeout invariably gets things wrong).
2508 */
2509 DelServer(sNode, 0, NULL);
2510 }
2511
2512 switch (strlen(numeric)) {
2513 case 5: slen = 2; mlen = 3; break;
2514 case 4: slen = 1; mlen = 3; break;
2515 case 3: slen = 1; mlen = 2; break;
2516 default:
2517 log_module(MAIN_LOG, LOG_ERROR, "AddServer(\"%s\", \"%s\", ...): Numeric %s has invalid length.", uplink->name, name, numeric);
2518 return NULL;
2519 }
2520
2521 sNode = calloc(1, sizeof(*sNode));
2522 sNode->uplink = uplink;
2523 safestrncpy(sNode->name, name, sizeof(sNode->name));
2524 sNode->num_mask = base64toint(numeric+slen, mlen);
2525 sNode->hops = hops;
2526 sNode->boot = boot;
2527 sNode->link = link;
2528 strncpy(sNode->numeric, numeric, slen);
2529 safestrncpy(sNode->description, description, sizeof(sNode->description));
2530 sNode->users = calloc(sNode->num_mask+1, sizeof(*sNode->users));
2531 serverList_init(&sNode->children);
2532 if (sNode->uplink) {
2533 /* uplink may be NULL if we're just building ourself */
2534 serverList_append(&sNode->uplink->children, sNode);
2535 }
2536 servers_num[base64toint(numeric, slen)] = sNode;
2537 dict_insert(servers, sNode->name, sNode);
2538 return sNode;
2539 }
2540
2541 void DelServer(struct server* serv, int announce, const char *message)
2542 {
2543 unsigned int i;
2544
2545 /* If we receive an ERROR command before the SERVER
2546 * command a NULL server can be passed */
2547 if (!serv)
2548 return;
2549
2550 /* Hrm, what's the right way to SQUIT some other server?
2551 * (This code is only to handle killing juped servers.) */
2552 if (announce && (serv->uplink == self) && (serv != self->uplink))
2553 irc_squit(serv, message, NULL);
2554
2555 /* must recursively remove servers linked to this one first */
2556 for (i=serv->children.used;i>0;)
2557 if (serv->children.list[--i] != self)
2558 DelServer(serv->children.list[i], false, NULL);
2559
2560 /* clean up server's user hash tables */
2561 for (i=0;i<=serv->num_mask;i++)
2562 if (serv->users[i])
2563 DelUser(serv->users[i], NULL, false, "server delinked");
2564
2565 /* delete server */
2566 if (serv->uplink)
2567 serverList_remove(&serv->uplink->children, serv);
2568 if (serv == self->uplink)
2569 self->uplink = NULL;
2570 servers_num[base64toint(serv->numeric, strlen(serv->numeric))] = NULL;
2571 dict_remove(servers, serv->name);
2572 serverList_clean(&serv->children);
2573 free(serv->users);
2574 free(serv);
2575 }
2576
2577 struct userNode *
2578 AddService(const char *nick, const char *modes, const char *desc, const char *hostname)
2579 {
2580 char numeric[COMBO_NUMERIC_LEN+1];
2581 int local_num = get_local_numeric();
2582 time_t timestamp = now;
2583 struct userNode *old_user = GetUserH(nick);
2584
2585 if (old_user) {
2586 if (IsLocal(old_user))
2587 return old_user;
2588 timestamp = old_user->timestamp - 1;
2589 }
2590 if (local_num == -1) {
2591 log_module(MAIN_LOG, LOG_ERROR, "Unable to allocate numnick for service %s", nick);
2592 return 0;
2593 }
2594 if (!hostname)
2595 hostname = self->name;
2596 make_numeric(self, local_num, numeric);
2597 /* TODO: Make these modes part of the conf file */
2598 return AddUser(self, nick, nick, hostname, modes ? modes : "+oik", numeric, desc, now, "AAAAAA");
2599 }
2600
2601 struct userNode *
2602 AddClone(const char *nick, const char *ident, const char *hostname, const char *desc)
2603 {
2604 char numeric[COMBO_NUMERIC_LEN+1];
2605 int local_num = get_local_numeric();
2606 time_t timestamp = now;
2607 struct userNode *old_user = GetUserH(nick);
2608
2609 if (old_user) {
2610 if (IsLocal(old_user))
2611 return old_user;
2612 timestamp = old_user->timestamp - 1;
2613 }
2614 if (local_num == -1) {
2615 log_module(MAIN_LOG, LOG_ERROR, "Unable to allocate numnick for clone %s", nick);
2616 return 0;
2617 }
2618 make_numeric(self, local_num, numeric);
2619 return AddUser(self, nick, ident, hostname, "+i", numeric, desc, timestamp, "AAAAAA");
2620 }
2621
2622 int
2623 is_valid_nick(const char *nick) {
2624 unsigned int ii;
2625 /* IRC has some of The Most Fucked-Up ideas about character sets
2626 * in the world.. */
2627 if (!isalpha(*nick) && !strchr("{|}~[\\]^_`", *nick))
2628 return 0;
2629 for (ii = 0; nick[ii]; ++ii)
2630 if (!isalnum(nick[ii]) && !strchr("{|}~[\\]^-_`", nick[ii]))
2631 return 0;
2632 if (strlen(nick) > nicklen)
2633 return 0;
2634 return 1;
2635 }
2636
2637 static struct userNode*
2638 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)
2639 {
2640 struct userNode *oldUser, *uNode;
2641 unsigned int n, ignore_user;
2642
2643 if ((strlen(numeric) < 3) || (strlen(numeric) > 5)) {
2644 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): numeric %s wrong length!", uplink, nick, numeric);
2645 return NULL;
2646 }
2647
2648 if (!uplink) {
2649 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server for numeric %s doesn't exist!", uplink, nick, numeric);
2650 return NULL;
2651 }
2652
2653 if (uplink != GetServerN(numeric)) {
2654 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server for numeric %s differs from nominal uplink %s.", uplink, nick, numeric, uplink->name);
2655 return NULL;
2656 }
2657
2658 if (!is_valid_nick(nick)) {
2659 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): invalid nickname detected.", uplink, nick);
2660 return NULL;
2661 }
2662
2663 ignore_user = 0;
2664 if ((oldUser = GetUserH(nick))) {
2665 if (IsLocal(oldUser) && (IsService(oldUser) || IsPersistent(oldUser))) {
2666 /* The service should collide the new user off. */
2667 oldUser->timestamp = timestamp - 1;
2668 irc_user(oldUser);
2669 }
2670 if (oldUser->timestamp > timestamp) {
2671 /* "Old" user is really newer; remove them */
2672 DelUser(oldUser, 0, 1, "Overruled by older nick");
2673 } else {
2674 /* User being added is too new; do not add them to
2675 * clients, but do add them to the server's list, since it
2676 * will send a KILL and QUIT soon. */
2677 ignore_user = 1;
2678 }
2679 }
2680
2681 /* create new usernode and set all values */
2682 uNode = calloc(1, sizeof(*uNode));
2683 uNode->nick = strdup(nick);
2684 safestrncpy(uNode->ident, ident, sizeof(uNode->ident));
2685 safestrncpy(uNode->info, userinfo, sizeof(uNode->info));
2686 safestrncpy(uNode->hostname, hostname, sizeof(uNode->hostname));
2687 safestrncpy(uNode->numeric, numeric, sizeof(uNode->numeric));
2688 irc_p10_pton(&uNode->ip, realip);
2689
2690 if (irc_in_addr_is_ipv4(uNode->ip)) {
2691 make_virtip((char*)irc_ntoa(&uNode->ip), (char*)irc_ntoa(&uNode->ip), uNode->cryptip);
2692 make_virthost((char*)irc_ntoa(&uNode->ip), uNode->hostname, uNode->crypthost);
2693 } else if (irc_in_addr_is_ipv6(uNode->ip)) {
2694 make_ipv6virthost((char*)irc_ntoa(&uNode->ip), uNode->hostname, uNode->crypthost);
2695 }
2696
2697 if (!uNode->crypthost && uNode->cryptip)
2698 snprintf(uNode->crypthost, sizeof(uNode->crypthost), "%s", strdup(uNode->cryptip));
2699
2700 uNode->timestamp = timestamp;
2701 modeList_init(&uNode->channels);
2702 uNode->uplink = uplink;
2703 if (++uNode->uplink->clients > uNode->uplink->max_clients) {
2704 uNode->uplink->max_clients = uNode->uplink->clients;
2705 }
2706 uNode->num_local = base64toint(numeric+strlen(uNode->uplink->numeric), 3) & uNode->uplink->num_mask;
2707 uNode->uplink->users[uNode->num_local] = uNode;
2708 mod_usermode(uNode, modes);
2709
2710 set_geoip_info(uNode);
2711
2712 if (ignore_user)
2713 return uNode;
2714
2715 dict_insert(clients, uNode->nick, uNode);
2716 if (dict_size(clients) > max_clients) {
2717 max_clients = dict_size(clients);
2718 max_clients_time = now;
2719 }
2720 if (IsLocal(uNode))
2721 irc_user(uNode);
2722 for (n=0; n<nuf_used; n++)
2723 if (nuf_list[n](uNode))
2724 break;
2725
2726 if ((uNode->loc == 1) && (uNode->handle_info))
2727 send_func_list(uNode);
2728
2729 return uNode;
2730 }
2731
2732 /* removes user from it's server's hash table and nick hash table */
2733 void
2734 DelUser(struct userNode* user, struct userNode *killer, int announce, const char *why)
2735 {
2736 unsigned int n;
2737
2738 verify(user);
2739
2740 /* mark them as dead, in case anybody cares */
2741 user->dead = 1;
2742
2743 /* remove pending adduser commands */
2744 wipe_adduser_pending(NULL, user);
2745
2746 /* remove user from all channels */
2747 while (user->channels.used > 0)
2748 DelChannelUser(user, user->channels.list[user->channels.used-1]->channel, false, 0);
2749
2750 /* Call these in reverse order so ChanServ can update presence
2751 information before NickServ nukes the handle_info. */
2752 for (n = duf_used; n > 0; )
2753 duf_list[--n](user, killer, why);
2754
2755 user->uplink->clients--;
2756 user->uplink->users[user->num_local] = NULL;
2757 if (IsOper(user))
2758 userList_remove(&curr_opers, user);
2759 /* remove from global dictionary, but not if after a collide */
2760 if (user == dict_find(clients, user->nick, NULL))
2761 dict_remove(clients, user->nick);
2762
2763 if (IsInvisible(user))
2764 invis_clients--;
2765
2766 if (announce) {
2767 if (IsLocal(user))
2768 irc_quit(user, why);
2769 else
2770 irc_kill(killer, user, why);
2771 }
2772
2773 modeList_clean(&user->channels);
2774
2775 /* Clean up version data */
2776 if(user->version_reply) {
2777 free(user->version_reply);
2778 user->version_reply = NULL;
2779 }
2780
2781 /* clean up geoip data if any */
2782 if(user->country_code) free(user->country_code);
2783 if(user->city) free(user->city);
2784 if(user->region) free(user->region);
2785 if(user->postal_code) free(user->postal_code);
2786
2787 /* We don't free them, in case we try to privmsg them or something
2788 * (like when a stupid oper kills themself). We just put them onto
2789 * a list of clients that get freed after processing each line.
2790 */
2791 if (dead_users.size)
2792 userList_append(&dead_users, user);
2793 else
2794 free_user(user);
2795 }
2796
2797 static void call_oper_funcs(struct userNode *user);
2798
2799 void mod_usermode(struct userNode *user, const char *mode_change) {
2800 int add = 1;
2801 const char *word = mode_change;
2802
2803 if (!user || !mode_change)
2804 return;
2805
2806 call_user_mode_funcs(user, mode_change);
2807
2808 while (*word != ' ' && *word) word++;
2809 while (*word == ' ') word++;
2810 while (1) {
2811 #define do_user_mode(FLAG) do { if (add) user->modes |= FLAG; else user->modes &= ~FLAG; } while (0)
2812 switch (*mode_change++) {
2813 case 0: case ' ': return;
2814 case '+': add = 1; break;
2815 case '-': add = 0; break;
2816 case 'o':
2817 if (add) {
2818 if(!IsOper(user)) { /* Dont re-oper an oper */
2819 userList_append(&curr_opers, user);
2820 call_oper_funcs(user);
2821 }
2822 } else {
2823 userList_remove(&curr_opers, user);
2824 }
2825 do_user_mode(FLAGS_OPER);
2826 break;
2827 case 'O': do_user_mode(FLAGS_LOCOP); break;
2828 case 'i': do_user_mode(FLAGS_INVISIBLE);
2829 if (add)
2830 invis_clients++;
2831 else
2832 invis_clients--;
2833 break;
2834 case 'w': do_user_mode(FLAGS_WALLOP); break;
2835 case 's': do_user_mode(FLAGS_SERVNOTICE); break;
2836 case 'd': do_user_mode(FLAGS_DEAF); break;
2837 case 'k': do_user_mode(FLAGS_SERVICE); break;
2838 case 'g': do_user_mode(FLAGS_GLOBAL); break;
2839 // sethost - reed/apples
2840 // case 'h': do_user_mode(FLAGS_HELPER); break;
2841 // I check if there's an 'h' in the first part, and if there,
2842 // then everything after the space becomes their new host.
2843 case 'h': do_user_mode(FLAGS_SETHOST);
2844 if (*word) {
2845 char sethost[MAXLEN];
2846 unsigned int ii;
2847 for (ii=0; (*word != ' ') && (*word != '\0'); )
2848 sethost[ii++] = *word++;
2849 sethost[ii] = 0;
2850 while (*word == ' ')
2851 word++;
2852 safestrncpy(user->sethost, sethost, sizeof(user->sethost));
2853 }
2854 break;
2855 case 'x': do_user_mode(FLAGS_HIDDEN_HOST); break;
2856 case 'r':
2857 if (*word) {
2858 char tag[MAXLEN];
2859 unsigned int ii;
2860 for (ii=0; (*word != ' ') && (*word != '\0'); )
2861 tag[ii++] = *word++;
2862 tag[ii] = 0;
2863 while (*word == ' ')
2864 word++;
2865 call_account_func(user, tag);
2866 }
2867 break;
2868 case 'f':
2869 if (*word) {
2870 char host[MAXLEN];
2871 unsigned int ii;
2872 for (ii=0; (*word != ' ') && (*word != '\0'); )
2873 host[ii++] = *word++;
2874 host[ii] = 0;
2875 while (*word == ' ')
2876 word++;
2877 assign_fakehost(user, host, 0);
2878 }
2879 break;
2880 }
2881 #undef do_user_mode
2882 }
2883 }
2884
2885 struct mod_chanmode *
2886 mod_chanmode_parse(struct chanNode *channel, char **modes, unsigned int argc, unsigned int flags, short base_oplevel)
2887 {
2888 struct mod_chanmode *change;
2889 unsigned int ii, in_arg, ch_arg, add;
2890
2891 if (argc == 0)
2892 return NULL;
2893 if (!(change = mod_chanmode_alloc(argc - 1)))
2894 return NULL;
2895
2896 for (ii = ch_arg = 0, in_arg = add = 1;
2897 (modes[0][ii] != '\0') && (modes[0][ii] != ' ');
2898 ++ii) {
2899 switch (modes[0][ii]) {
2900 case '+':
2901 add = 1;
2902 break;
2903 case '-':
2904 add = 0;
2905 break;
2906 #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)
2907 case 'C': do_chan_mode(MODE_NOCTCPS); break;
2908 case 'D': do_chan_mode(MODE_DELAYJOINS); break;
2909 case 'c': do_chan_mode(MODE_NOCOLORS); break;
2910 case 'i': do_chan_mode(MODE_INVITEONLY); break;
2911 case 'm': do_chan_mode(MODE_MODERATED); break;
2912 case 'n': do_chan_mode(MODE_NOPRIVMSGS); break;
2913 case 'p': do_chan_mode(MODE_PRIVATE); break;
2914 case 'r': do_chan_mode(MODE_REGONLY); break;
2915 case 's': do_chan_mode(MODE_SECRET); break;
2916 case 't': do_chan_mode(MODE_TOPICLIMIT); break;
2917 case 'S': do_chan_mode(MODE_STRIPCOLOR); break;
2918 case 'M': do_chan_mode(MODE_MODUNREG); break;
2919 case 'N': do_chan_mode(MODE_NONOTICE); break;
2920 case 'Q': do_chan_mode(MODE_NOQUITMSGS); break;
2921 case 'T': do_chan_mode(MODE_NOAMSG); break;
2922 case 'O': do_chan_mode(MODE_OPERSONLY); break;
2923 case 'Z': do_chan_mode(MODE_SSLONLY); break;
2924 case 'L': do_chan_mode(MODE_HIDEMODE); break;
2925 case 'z':
2926 if (!(flags & MCP_REGISTERED)) {
2927 do_chan_mode(MODE_REGISTERED);
2928 } else {
2929 mod_chanmode_free(change);
2930 return NULL;
2931 }
2932 break;
2933 #undef do_chan_mode
2934 case 'l':
2935 if (add) {
2936 if (in_arg >= argc)
2937 goto error;
2938 change->modes_set |= MODE_LIMIT;
2939 change->new_limit = atoi(modes[in_arg++]);
2940 } else {
2941 change->modes_set &= ~MODE_LIMIT;
2942 change->modes_clear |= MODE_LIMIT;
2943 }
2944 break;
2945 case 'k':
2946 if (add) {
2947 if (in_arg >= argc)
2948 goto error;
2949 change->modes_set |= MODE_KEY;
2950 safestrncpy(change->new_key, modes[in_arg++], sizeof(change->new_key));
2951 } else {
2952 change->modes_clear |= MODE_KEY;
2953 if (!(flags & MCP_KEY_FREE)) {
2954 if (in_arg >= argc)
2955 goto error;
2956 in_arg++;
2957 }
2958 }
2959 break;
2960 case 'U':
2961 if (add)
2962 {
2963 if (in_arg >= argc)
2964 goto error;
2965 change->modes_set |= MODE_UPASS;
2966 safestrncpy(change->new_upass, modes[in_arg++], sizeof(change->new_upass));
2967 } else {
2968 change->modes_clear |= MODE_UPASS;
2969 if (!(flags & MCP_UPASS_FREE)) {
2970 if (in_arg >= argc)
2971 goto error;
2972 in_arg++;
2973 }
2974 }
2975 break;
2976 case 'A':
2977 if (add) {
2978 if (in_arg >= argc)
2979 goto error;
2980 change->modes_set |= MODE_APASS;
2981 safestrncpy(change->new_apass, modes[in_arg++], sizeof(change->new_apass));
2982 } else {
2983 change->modes_clear |= MODE_APASS;
2984 if (!(flags & MCP_APASS_FREE)) {
2985 if (in_arg >= argc)
2986 goto error;
2987 in_arg++;
2988 }
2989 }
2990 break;
2991 case 'b':
2992 if (!(flags & MCP_ALLOW_OVB))
2993 goto error;
2994 if (in_arg >= argc)
2995 goto error;
2996 change->args[ch_arg].mode = MODE_BAN;
2997 if (!add)
2998 change->args[ch_arg].mode |= MODE_REMOVE;
2999 change->args[ch_arg++].u.hostmask = modes[in_arg++];
3000 break;
3001 case 'e':
3002 if (!(flags & MCP_ALLOW_OVB))
3003 goto error;
3004 if (in_arg >= argc)
3005 goto error;
3006 change->args[ch_arg].mode = MODE_EXEMPT;
3007 if (!add)
3008 change->args[ch_arg].mode |= MODE_REMOVE;
3009 change->args[ch_arg++].u.hostmask = modes[in_arg++];
3010 break;
3011 case 'o': case 'h': case 'v':
3012 {
3013 struct userNode *victim;
3014 char *oplevel_str;
3015 int oplevel;
3016
3017 if (in_arg >= argc)
3018 goto error;
3019 oplevel_str = strchr(modes[in_arg], ':');
3020 if (oplevel_str)
3021 {
3022 /* XXYYY M #channel +o XXYYY:<oplevel> */
3023 *oplevel_str++ = '\0';
3024 oplevel = parse_oplevel(oplevel_str);
3025 if (oplevel <= base_oplevel && !(flags & MCP_FROM_SERVER))
3026 oplevel = base_oplevel + 1;
3027 }
3028 else if (channel->modes & MODE_UPASS)
3029 oplevel = base_oplevel + 1;
3030 else
3031 oplevel = -1;
3032
3033 /* Check that oplevel is within bounds. */
3034 if (oplevel > MAXOPLEVEL)
3035 oplevel = MAXOPLEVEL;
3036
3037 if (!(flags & MCP_ALLOW_OVB))
3038 goto error;
3039 if (in_arg >= argc)
3040 goto error;
3041
3042 if (modes[0][ii] == 'o')
3043 change->args[ch_arg].mode = MODE_CHANOP;
3044 else if (modes[0][ii] == 'h')
3045 change->args[ch_arg].mode = MODE_HALFOP;
3046 else if (modes[0][ii] == 'v')
3047 change->args[ch_arg].mode = MODE_VOICE;
3048
3049 if (!add)
3050 change->args[ch_arg].mode |= MODE_REMOVE;
3051 if (flags & MCP_FROM_SERVER)
3052 victim = GetUserN(modes[in_arg++]);
3053 else
3054 victim = GetUserH(modes[in_arg++]);
3055 if (!victim)
3056 continue;
3057 if ((change->args[ch_arg].u.member = GetUserMode(channel, victim)))
3058 {
3059 /* Apply the oplevel change */
3060 change->args[ch_arg].u.member->oplevel = oplevel;
3061 ch_arg++;
3062 }
3063 break;
3064 }
3065 default:
3066 if (!(flags & MCP_FROM_SERVER))
3067 goto error;
3068 break;
3069 }
3070 }
3071 change->argc = ch_arg; /* in case any turned out to be ignored */
3072 if (change->modes_set & MODE_SECRET) {
3073 change->modes_set &= ~(MODE_PRIVATE);
3074 change->modes_clear |= MODE_PRIVATE;
3075 } else if (change->modes_set & MODE_PRIVATE) {
3076 change->modes_set &= ~(MODE_SECRET);
3077 change->modes_clear |= MODE_SECRET;
3078 }
3079 return change;
3080 error:
3081 mod_chanmode_free(change);
3082 return NULL;
3083 }
3084
3085 struct chanmode_buffer {
3086 char modes[MAXLEN];
3087 char args[MAXLEN];
3088 struct chanNode *channel;
3089 struct userNode *actor;
3090 unsigned int modes_used;
3091 unsigned int args_used;
3092 size_t chname_len;
3093 unsigned int is_add : 1;
3094 unsigned int is_chanop : 1;
3095 };
3096
3097 static void
3098 mod_chanmode_append(struct chanmode_buffer *buf, char ch, const char *arg)
3099 {
3100 size_t arg_len = strlen(arg);
3101 if (buf->modes_used > (MAXMODEPARAMS) ||
3102 buf->modes_used + buf->args_used + buf->chname_len + arg_len > 450) {
3103 memcpy(buf->modes + buf->modes_used, buf->args, buf->args_used);
3104 buf->modes[buf->modes_used + buf->args_used] = '\0';
3105 irc_mode((buf->is_chanop ? buf->actor : NULL), buf->channel, buf->modes);
3106 buf->modes[0] = buf->is_add ? '+' : '-';
3107 buf->modes_used = 1;
3108 buf->args_used = 0;
3109 }
3110 buf->modes[buf->modes_used++] = ch;
3111 buf->args[buf->args_used++] = ' ';
3112 memcpy(buf->args + buf->args_used, arg, arg_len);
3113 buf->args_used += arg_len;
3114 }
3115
3116 void
3117 mod_chanmode_announce(struct userNode *who, struct chanNode *channel, struct mod_chanmode *change)
3118 {
3119 struct chanmode_buffer chbuf;
3120 unsigned int arg;
3121 struct modeNode *mn;
3122 char int_buff[32], mode = '\0';
3123
3124 assert(change->argc <= change->alloc_argc);
3125 memset(&chbuf, 0, sizeof(chbuf));
3126 chbuf.channel = channel;
3127 chbuf.actor = who;
3128 chbuf.chname_len = strlen(channel->name);
3129
3130 mn = GetUserMode(channel, who);
3131 if ((mn && (mn->modes & MODE_CHANOP)) || off_channel)
3132 chbuf.is_chanop = 1;
3133
3134 /* First remove modes */
3135 chbuf.is_add = 0;
3136 if (change->modes_clear) {
3137 if (mode != '-')
3138 chbuf.modes[chbuf.modes_used++] = mode = '-';
3139 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR
3140 DO_MODE_CHAR(PRIVATE, 'p');
3141 DO_MODE_CHAR(SECRET, 's');
3142 DO_MODE_CHAR(MODERATED, 'm');
3143 DO_MODE_CHAR(TOPICLIMIT, 't');
3144 DO_MODE_CHAR(INVITEONLY, 'i');
3145 DO_MODE_CHAR(NOPRIVMSGS, 'n');
3146 DO_MODE_CHAR(LIMIT, 'l');
3147 DO_MODE_CHAR(DELAYJOINS, 'D');
3148 DO_MODE_CHAR(REGONLY, 'r');
3149 DO_MODE_CHAR(NOCOLORS, 'c');
3150 DO_MODE_CHAR(NOCTCPS, 'C');
3151 DO_MODE_CHAR(STRIPCOLOR, 'S');
3152 DO_MODE_CHAR(MODUNREG, 'M');
3153 DO_MODE_CHAR(NONOTICE, 'N');
3154 DO_MODE_CHAR(NOQUITMSGS, 'Q');
3155 DO_MODE_CHAR(NOAMSG, 'T');
3156 DO_MODE_CHAR(OPERSONLY, 'O');
3157 DO_MODE_CHAR(REGISTERED, 'z');
3158 DO_MODE_CHAR(SSLONLY, 'Z');
3159 DO_MODE_CHAR(HIDEMODE, 'L');
3160 #undef DO_MODE_CHAR
3161 if (change->modes_clear & channel->modes & MODE_KEY)
3162 mod_chanmode_append(&chbuf, 'k', channel->key);
3163 if (change->modes_clear & channel->modes & MODE_UPASS)
3164 mod_chanmode_append(&chbuf, 'U', channel->upass);
3165 if (change->modes_clear * channel->modes & MODE_APASS)
3166 mod_chanmode_append(&chbuf, 'A', channel->apass);
3167 }
3168 for (arg = 0; arg < change->argc; ++arg) {
3169 if (!(change->args[arg].mode & MODE_REMOVE))
3170 continue;
3171 if (mode != '-')
3172 chbuf.modes[chbuf.modes_used++] = mode = '-';
3173 switch (change->args[arg].mode & ~MODE_REMOVE) {
3174 case MODE_BAN:
3175 mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask);
3176 break;
3177 case MODE_EXEMPT:
3178 mod_chanmode_append(&chbuf, 'e', change->args[arg].u.hostmask);
3179 break;
3180 default:
3181 if (change->args[arg].mode & MODE_CHANOP)
3182 mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->numeric);
3183 if (change->args[arg].mode & MODE_HALFOP)
3184 mod_chanmode_append(&chbuf, 'h', change->args[arg].u.member->user->numeric);
3185 if (change->args[arg].mode & MODE_VOICE)
3186 mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->numeric);
3187 break;
3188 }
3189 }
3190
3191 /* Then set them */
3192 chbuf.is_add = 1;
3193 if (change->modes_set) {
3194 if (mode != '+')
3195 chbuf.modes[chbuf.modes_used++] = mode = '+';
3196 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR
3197 DO_MODE_CHAR(PRIVATE, 'p');
3198 DO_MODE_CHAR(SECRET, 's');
3199 DO_MODE_CHAR(MODERATED, 'm');
3200 DO_MODE_CHAR(TOPICLIMIT, 't');
3201 DO_MODE_CHAR(INVITEONLY, 'i');
3202 DO_MODE_CHAR(NOPRIVMSGS, 'n');
3203 DO_MODE_CHAR(DELAYJOINS, 'D');
3204 DO_MODE_CHAR(REGONLY, 'r');
3205 DO_MODE_CHAR(NOCOLORS, 'c');
3206 DO_MODE_CHAR(NOCTCPS, 'C');
3207 DO_MODE_CHAR(STRIPCOLOR, 'S');
3208 DO_MODE_CHAR(MODUNREG, 'M');
3209 DO_MODE_CHAR(NONOTICE, 'N');
3210 DO_MODE_CHAR(NOQUITMSGS, 'Q');
3211 DO_MODE_CHAR(NOAMSG, 'T');
3212 DO_MODE_CHAR(OPERSONLY, 'O');
3213 DO_MODE_CHAR(REGISTERED, 'z');
3214 DO_MODE_CHAR(SSLONLY, 'Z');
3215 DO_MODE_CHAR(HIDEMODE, 'L');
3216 #undef DO_MODE_CHAR
3217 if(change->modes_set & MODE_KEY)
3218 mod_chanmode_append(&chbuf, 'k', change->new_key);
3219 if (change->modes_set & MODE_UPASS)
3220 mod_chanmode_append(&chbuf, 'U', change->new_upass);
3221 if (change->modes_set & MODE_APASS)
3222 mod_chanmode_append(&chbuf, 'A', change->new_apass);
3223 if(change->modes_set & MODE_LIMIT) {
3224 sprintf(int_buff, "%d", change->new_limit);
3225 mod_chanmode_append(&chbuf, 'l', int_buff);
3226 }
3227 }
3228 for (arg = 0; arg < change->argc; ++arg) {
3229 if (change->args[arg].mode & MODE_REMOVE)
3230 continue;
3231 if (mode != '+')
3232 chbuf.modes[chbuf.modes_used++] = mode = '+';
3233 switch (change->args[arg].mode) {
3234 case MODE_BAN:
3235 mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask);
3236 break;
3237 case MODE_EXEMPT:
3238 mod_chanmode_append(&chbuf, 'e', change->args[arg].u.hostmask);
3239 break;
3240 default:
3241 if (change->args[arg].mode & MODE_CHANOP)
3242 mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->numeric);
3243 if (change->args[arg].mode & MODE_HALFOP)
3244 mod_chanmode_append(&chbuf, 'h', change->args[arg].u.member->user->numeric);
3245 if (change->args[arg].mode & MODE_VOICE)
3246 mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->numeric);
3247 break;
3248 }
3249 }
3250
3251 /* Flush the buffer and apply changes locally */
3252 if (chbuf.modes_used > 0) {
3253 memcpy(chbuf.modes + chbuf.modes_used, chbuf.args, chbuf.args_used);
3254 chbuf.modes[chbuf.modes_used + chbuf.args_used] = '\0';
3255 irc_mode((chbuf.is_chanop ? chbuf.actor : NULL), chbuf.channel, chbuf.modes);
3256 }
3257 mod_chanmode_apply(who, channel, change);
3258 }
3259
3260 char *
3261 mod_chanmode_format(struct mod_chanmode *change, char *outbuff)
3262 {
3263 unsigned int used = 0;
3264 assert(change->argc <= change->alloc_argc);
3265 if (change->modes_clear) {
3266 outbuff[used++] = '-';
3267 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) outbuff[used++] = CHAR
3268 DO_MODE_CHAR(PRIVATE, 'p');
3269 DO_MODE_CHAR(SECRET, 's');
3270 DO_MODE_CHAR(MODERATED, 'm');
3271 DO_MODE_CHAR(TOPICLIMIT, 't');
3272 DO_MODE_CHAR(INVITEONLY, 'i');
3273 DO_MODE_CHAR(NOPRIVMSGS, 'n');
3274 DO_MODE_CHAR(LIMIT, 'l');
3275 DO_MODE_CHAR(KEY, 'k');
3276 DO_MODE_CHAR(UPASS, 'U');
3277 DO_MODE_CHAR(APASS, 'A');
3278 DO_MODE_CHAR(DELAYJOINS, 'D');
3279 DO_MODE_CHAR(REGONLY, 'r');
3280 DO_MODE_CHAR(NOCOLORS, 'c');
3281 DO_MODE_CHAR(NOCTCPS, 'C');
3282 DO_MODE_CHAR(STRIPCOLOR, 'S');
3283 DO_MODE_CHAR(MODUNREG, 'M');
3284 DO_MODE_CHAR(NONOTICE, 'N');
3285 DO_MODE_CHAR(NOQUITMSGS, 'Q');
3286 DO_MODE_CHAR(NOAMSG, 'T');
3287 DO_MODE_CHAR(OPERSONLY, 'O');
3288 DO_MODE_CHAR(REGISTERED, 'z');
3289 DO_MODE_CHAR(SSLONLY, 'Z');
3290 DO_MODE_CHAR(HIDEMODE, 'L');
3291 #undef DO_MODE_CHAR
3292 }
3293 if (change->modes_set) {
3294 outbuff[used++] = '+';
3295 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) outbuff[used++] = CHAR
3296 DO_MODE_CHAR(PRIVATE, 'p');
3297 DO_MODE_CHAR(SECRET, 's');
3298 DO_MODE_CHAR(MODERATED, 'm');
3299 DO_MODE_CHAR(TOPICLIMIT, 't');
3300 DO_MODE_CHAR(INVITEONLY, 'i');
3301 DO_MODE_CHAR(NOPRIVMSGS, 'n');
3302 DO_MODE_CHAR(DELAYJOINS, 'D');
3303 DO_MODE_CHAR(REGONLY, 'r');
3304 DO_MODE_CHAR(NOCOLORS, 'c');
3305 DO_MODE_CHAR(NOCTCPS, 'C');
3306 DO_MODE_CHAR(STRIPCOLOR, 'S');
3307 DO_MODE_CHAR(MODUNREG, 'M');
3308 DO_MODE_CHAR(NONOTICE, 'N');
3309 DO_MODE_CHAR(NOQUITMSGS, 'Q');
3310 DO_MODE_CHAR(NOAMSG, 'T');
3311 DO_MODE_CHAR(OPERSONLY, 'O');
3312 DO_MODE_CHAR(REGISTERED, 'z');
3313 DO_MODE_CHAR(SSLONLY, 'Z');
3314 DO_MODE_CHAR(HIDEMODE, 'L');
3315 #undef DO_MODE_CHAR
3316 switch (change->modes_set & (MODE_KEY|MODE_LIMIT|MODE_APASS|MODE_UPASS)) {
3317 /* Doing this implementation has been a pain in the arse, I hope I didn't forget a possible combination */
3318 case MODE_KEY|MODE_LIMIT|MODE_APASS|MODE_UPASS:
3319 used += sprintf(outbuff+used, "lkAU %d %s %s %s", change->new_limit, change->new_key,change->new_apass, change->new_upass);
3320 break;
3321
3322 case MODE_KEY|MODE_LIMIT|MODE_APASS:
3323 used += sprintf(outbuff+used, "lkA %d %s %s", change->new_limit, change->new_key, change->new_apass);
3324 break;
3325 case MODE_KEY|MODE_LIMIT|MODE_UPASS:
3326 used += sprintf(outbuff+used, "lkU %d %s %s", change->new_limit, change->new_key, change->new_upass);
3327 break;
3328 case MODE_KEY|MODE_APASS|MODE_UPASS:
3329 used += sprintf(outbuff+used, "kAU %s %s %s", change->new_key, change->new_apass, change->new_upass);
3330 break;
3331
3332 case MODE_KEY|MODE_APASS:
3333 used += sprintf(outbuff+used, "kA %s %s", change->new_key, change->new_apass);
3334 break;
3335 case MODE_KEY|MODE_UPASS:
3336 used += sprintf(outbuff+used, "kU %s %s", change->new_key, change->new_upass);
3337 break;
3338 case MODE_KEY|MODE_LIMIT:
3339 used += sprintf(outbuff+used, "lk %d %s", change->new_limit, change->new_key);
3340 break;
3341
3342 case MODE_LIMIT|MODE_UPASS:
3343 used += sprintf(outbuff+used, "lU %d %s", change->new_limit, change->new_upass);
3344 break;
3345 case MODE_LIMIT|MODE_APASS:
3346 used += sprintf(outbuff+used, "lA %d %s", change->new_limit, change->new_apass);
3347 break;
3348 case MODE_APASS|MODE_UPASS:
3349 used += sprintf(outbuff+used, "AU %s %s", change->new_apass, change->new_upass);
3350
3351 case MODE_LIMIT|MODE_APASS|MODE_UPASS:
3352 used += sprintf(outbuff+used, "lAU %d %s %s", change->new_limit, change->new_apass, change->new_upass);
3353 break;
3354
3355 case MODE_APASS:
3356 used += sprintf(outbuff+used, "A %s", change->new_apass);
3357 break;
3358 case MODE_UPASS:
3359 used += sprintf(outbuff+used, "U %s", change->new_upass);
3360 break;
3361 case MODE_KEY:
3362 used += sprintf(outbuff+used, "k %s", change->new_key);
3363 break;
3364 case MODE_LIMIT:
3365 used += sprintf(outbuff+used, "l %d", change->new_limit);
3366 break;
3367 }
3368 }
3369 outbuff[used] = 0;
3370 return outbuff;
3371 }
3372
3373 static int
3374 clear_chanmode(struct chanNode *channel, const char *modes)
3375 {
3376 unsigned int remove;
3377
3378 for (remove = 0; *modes; modes++) {
3379 switch (*modes) {
3380 case 'o': remove |= MODE_CHANOP; break;
3381 case 'h': remove |= MODE_HALFOP; break;
3382 case 'v': remove |= MODE_VOICE; break;
3383 case 'p': remove |= MODE_PRIVATE; break;
3384 case 's': remove |= MODE_SECRET; break;
3385 case 'm': remove |= MODE_MODERATED; break;
3386 case 't': remove |= MODE_TOPICLIMIT; break;
3387 case 'i': remove |= MODE_INVITEONLY; break;
3388 case 'n': remove |= MODE_NOPRIVMSGS; break;
3389 case 'k':
3390 remove |= MODE_KEY;
3391 channel->key[0] = '\0';
3392 break;
3393 case 'A':
3394 remove |= MODE_APASS;
3395 channel->apass[0] = '\0';
3396 break;
3397 case 'U':
3398 remove |= MODE_UPASS;
3399 channel->upass[0] = '\0';
3400 break;
3401 case 'l':
3402 remove |= MODE_LIMIT;
3403 channel->limit = 0;
3404 break;
3405 case 'b': remove |= MODE_BAN; break;
3406 case 'e': remove |= MODE_EXEMPT; break;
3407 case 'D': remove |= MODE_DELAYJOINS; break;
3408 case 'r': remove |= MODE_REGONLY; break;
3409 case 'c': remove |= MODE_NOCOLORS; break;
3410 case 'C': remove |= MODE_NOCTCPS; break;
3411 case 'S': remove |= MODE_STRIPCOLOR; break;
3412 case 'M': remove |= MODE_MODUNREG; break;
3413 case 'N': remove |= MODE_NONOTICE; break;
3414 case 'Q': remove |= MODE_NOQUITMSGS; break;
3415 case 'T': remove |= MODE_NOAMSG; break;
3416 case 'O': remove |= MODE_OPERSONLY; break;
3417 case 'z': remove |= MODE_REGISTERED; break;
3418 case 'Z': remove |= MODE_SSLONLY; break;
3419 case 'L': remove |= MODE_HIDEMODE; break;
3420 }
3421 }
3422
3423 if (!remove)
3424 return 1;
3425
3426 /* Remove simple modes. */
3427 channel->modes &= ~remove;
3428
3429 /* If removing bans, kill 'em all. */
3430 if ((remove & MODE_BAN) && channel->banlist.used) {
3431 unsigned int i;
3432 for (i=0; i<channel->banlist.used; i++)
3433 free(channel->banlist.list[i]);
3434 channel->banlist.used = 0;
3435 }
3436
3437 /* If removing exempts, kill 'em all. */
3438 if ((remove & MODE_EXEMPT) && channel->exemptlist.used) {
3439 unsigned int i;
3440 for (i=0; i<channel->exemptlist.used; i++)
3441 free(channel->exemptlist.list[i]);
3442 channel->exemptlist.used = 0;
3443 }
3444
3445 /* Remove member modes. */
3446 if ((remove & (MODE_CHANOP | MODE_HALFOP | MODE_VOICE)) && channel->members.used) {
3447 int mask = ~(remove & (MODE_CHANOP | MODE_HALFOP | MODE_VOICE));
3448 unsigned int i;
3449
3450 for (i = 0; i < channel->members.used; i++)
3451 channel->members.list[i]->modes &= mask;
3452 }
3453
3454 return 1;
3455 }
3456
3457 void
3458 reg_privmsg_func(struct userNode *user, privmsg_func_t handler)
3459 {
3460 unsigned int numeric = user->num_local;
3461 if (numeric >= num_privmsg_funcs) {
3462 int newnum = numeric + 8;
3463 privmsg_funcs = realloc(privmsg_funcs, newnum*sizeof(privmsg_func_t));
3464 memset(privmsg_funcs+num_privmsg_funcs, 0, (newnum-num_privmsg_funcs)*sizeof(privmsg_func_t));
3465 num_privmsg_funcs = newnum;
3466 }
3467 if (privmsg_funcs[numeric])
3468 log_module(MAIN_LOG, LOG_WARNING, "re-registering new privmsg handler for numeric %d", numeric);
3469 privmsg_funcs[numeric] = handler;
3470 }
3471
3472 void
3473 unreg_privmsg_func(struct userNode *user, privmsg_func_t handler)
3474 {
3475 unsigned int x;
3476
3477 if (!user || handler)
3478 return; /* this really only works with users */
3479
3480 memset(privmsg_funcs+user->num_local, 0, sizeof(privmsg_func_t));
3481
3482 for (x = user->num_local+1; x < num_privmsg_funcs; x++)
3483 memmove(privmsg_funcs+x-1, privmsg_funcs+x, sizeof(privmsg_func_t));
3484
3485 privmsg_funcs = realloc(privmsg_funcs, num_privmsg_funcs*sizeof(privmsg_func_t));
3486 num_privmsg_funcs--;
3487 }
3488
3489
3490 void
3491 reg_notice_func(struct userNode *user, privmsg_func_t handler)
3492 {
3493 unsigned int numeric = user->num_local;
3494 if (numeric >= num_notice_funcs) {
3495 int newnum = numeric + 8;
3496 notice_funcs = realloc(notice_funcs, newnum*sizeof(privmsg_func_t));
3497 memset(notice_funcs+num_notice_funcs, 0, (newnum-num_notice_funcs)*sizeof(privmsg_func_t));
3498 num_notice_funcs = newnum;
3499 }
3500 if (notice_funcs[numeric])
3501 log_module(MAIN_LOG, LOG_WARNING, "re-registering new notice handler for numeric %d", numeric);
3502 notice_funcs[numeric] = handler;
3503 }
3504
3505 void
3506 unreg_notice_func(struct userNode *user, privmsg_func_t handler)
3507 {
3508 unsigned int x;
3509
3510 if (!user || handler)
3511 return; /* this really only works with users */
3512
3513 memset(notice_funcs+user->num_local, 0, sizeof(privmsg_func_t));
3514
3515 for (x = user->num_local+1; x < num_notice_funcs; x++)
3516 memmove(notice_funcs+x-1, notice_funcs+x, sizeof(privmsg_func_t));
3517
3518 memset(notice_funcs+user->num_local, 0, sizeof(privmsg_func_t));
3519 notice_funcs = realloc(notice_funcs, num_notice_funcs*sizeof(privmsg_func_t));
3520 num_notice_funcs--;
3521 }
3522
3523 void
3524 reg_oper_func(oper_func_t handler)
3525 {
3526 if (of_used == of_size) {
3527 if (of_size) {
3528 of_size <<= 1;
3529 of_list = realloc(of_list, of_size*sizeof(oper_func_t));
3530 } else {
3531 of_size = 8;
3532 of_list = malloc(of_size*sizeof(oper_func_t));
3533 }
3534 }
3535 of_list[of_used++] = handler;
3536 }
3537
3538 static void
3539 call_oper_funcs(struct userNode *user)
3540 {
3541 unsigned int n;
3542 if (IsLocal(user))
3543 return;
3544 for (n=0; n<of_used; n++)
3545 of_list[n](user);
3546 }
3547
3548 static void
3549 send_burst(void)
3550 {
3551 unsigned int i, hop, max_hop=1;
3552 dict_iterator_t it;
3553
3554 /* burst (juped) servers, closest first (except self, which is sent already) */
3555 for (i=0; i<ArrayLength(servers_num); i++)
3556 if (servers_num[i] && servers_num[i]->hops > max_hop)
3557 max_hop = servers_num[i]->hops;
3558 for (hop=1; hop<=max_hop; hop++) {
3559 for (i=0;i<ArrayLength(servers_num);i++) {
3560 if (servers_num[i]
3561 && (servers_num[i]->hops == hop)
3562 && (servers_num[i] != self->uplink))
3563 irc_server(servers_num[i]);
3564 }
3565 }
3566
3567 /* burst local nicks */
3568 for (i=0; i<=self->num_mask; i++)
3569 if (self->users[i])
3570 irc_user(self->users[i]);
3571
3572 /* build dict of unbursted channel names (just copy existing channels) */
3573 unbursted_channels = dict_new();
3574 for (it = dict_first(channels); it; it = iter_next(it))
3575 dict_insert(unbursted_channels, iter_key(it), iter_data(it));
3576 }
3577
3578 /*
3579 * Oplevel parsing
3580 */
3581 static int
3582 parse_oplevel(char *str)
3583 {
3584 int oplevel = 0;
3585 while (isdigit(*str))
3586 oplevel = oplevel * 10 + *str++ - '0';
3587 return oplevel;
3588 }
3589
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