1 /* proto-p10.c - IRC protocol output
2 * Copyright 2000-2006 srvx Development Team
4 * This file is part of srvx.
6 * srvx is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
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.
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.
21 #include "proto-common.c"
24 #define CMD_ACCOUNT "ACCOUNT"
25 #define CMD_ADMIN "ADMIN"
26 #define CMD_ASLL "ASLL"
27 #define CMD_AWAY "AWAY"
28 #define CMD_BURST "BURST"
29 #define CMD_CLEARMODE "CLEARMODE"
30 #define CMD_CLOSE "CLOSE"
31 #define CMD_CNOTICE "CNOTICE"
32 #define CMD_CONNECT "CONNECT"
33 #define CMD_CPRIVMSG "CPRIVMSG"
34 #define CMD_CREATE "CREATE"
35 #define CMD_DESTRUCT "DESTRUCT"
36 #define CMD_DESYNCH "DESYNCH"
39 #define CMD_EOB "END_OF_BURST"
40 #define CMD_EOB_ACK "EOB_ACK"
41 #define CMD_ERROR "ERROR"
42 #define CMD_FAKEHOST "FAKE"
44 #define CMD_GLINE "GLINE"
45 #define CMD_HASH "HASH"
46 #define CMD_HELP "HELP"
47 #define CMD_INFO "INFO"
48 #define CMD_INVITE "INVITE"
49 #define CMD_ISON "ISON"
50 #define CMD_JOIN "JOIN"
51 #define CMD_JUPE "JUPE"
52 #define CMD_KICK "KICK"
53 #define CMD_KILL "KILL"
54 #define CMD_LINKS "LINKS"
55 #define CMD_LIST "LIST"
56 #define CMD_LUSERS "LUSERS"
58 #define CMD_MODE "MODE"
59 #define CMD_MOTD "MOTD"
60 #define CMD_NAMES "NAMES"
61 #define CMD_NICK "NICK"
62 #define CMD_NOTICE "NOTICE"
63 #define CMD_OPER "OPER"
64 #define CMD_OPMODE "OPMODE"
65 #define CMD_PART "PART"
66 #define CMD_PASS "PASS"
67 #define CMD_PING "PING"
68 #define CMD_PONG "PONG"
69 #define CMD_POST "POST"
70 #define CMD_PRIVMSG "PRIVMSG"
71 #define CMD_PRIVS "PRIVS"
72 #define CMD_PROTO "PROTO"
73 #define CMD_QUIT "QUIT"
74 #define CMD_REHASH "REHASH"
75 #define CMD_RESET "RESET"
76 #define CMD_RESTART "RESTART"
77 #define CMD_RPING "RPING"
78 #define CMD_RPONG "RPONG"
79 #define CMD_SERVER "SERVER"
80 #define CMD_SERVLIST "SERVLIST"
81 #define CMD_SERVSET "SERVSET"
83 #define CMD_SETTIME "SETTIME"
84 #define CMD_SILENCE "SILENCE"
85 #define CMD_SQUERY "SQUERY"
86 #define CMD_SQUIT "SQUIT"
87 #define CMD_STATS "STATS"
88 #define CMD_SVSNICK "SVSNICK"
89 #define CMD_TIME "TIME"
90 #define CMD_TOPIC "TOPIC"
91 #define CMD_TRACE "TRACE"
92 #define CMD_UPING "UPING"
93 #define CMD_USER "USER"
94 #define CMD_USERHOST "USERHOST"
95 #define CMD_USERIP "USERIP"
96 #define CMD_VERSION "VERSION"
97 #define CMD_WALLCHOPS "WALLCHOPS"
98 #define CMD_WALLOPS "WALLOPS"
99 #define CMD_WALLUSERS "WALLUSERS"
100 #define CMD_WALLVOICES "WALLVOICES"
101 #define CMD_WHO "WHO"
102 #define CMD_WHOIS "WHOIS"
103 #define CMD_WHOWAS "WHOWAS"
105 /* Tokenized commands. */
106 #define TOK_ACCOUNT "AC"
107 #define TOK_ADMIN "AD"
108 #define TOK_ASLL "LL"
110 #define TOK_BURST "B"
111 #define TOK_CLEARMODE "CM"
112 #define TOK_CLOSE "CLOSE"
113 #define TOK_CNOTICE "CN"
114 #define TOK_CONNECT "CO"
115 #define TOK_CPRIVMSG "CP"
116 #define TOK_CREATE "C"
117 #define TOK_DESTRUCT "DE"
118 #define TOK_DESYNCH "DS"
119 #define TOK_DIE "DIE"
120 #define TOK_DNS "DNS"
122 #define TOK_EOB_ACK "EA"
123 #define TOK_ERROR "Y"
124 #define TOK_FAKEHOST "FA"
125 #define TOK_GET "GET"
126 #define TOK_GLINE "GL"
127 #define TOK_HASH "HASH"
128 #define TOK_HELP "HELP"
130 #define TOK_INVITE "I"
131 #define TOK_ISON "ISON"
133 #define TOK_JUPE "JU"
136 #define TOK_LINKS "LI"
137 #define TOK_LIST "LIST"
138 #define TOK_LUSERS "LU"
139 #define TOK_MAP "MAP"
141 #define TOK_MOTD "MO"
142 #define TOK_NAMES "E"
144 #define TOK_NOTICE "O"
145 #define TOK_OPER "OPER"
146 #define TOK_OPMODE "OM"
148 #define TOK_PASS "PA"
151 #define TOK_POST "POST"
152 #define TOK_PRIVMSG "P"
153 #define TOK_PRIVS "PRIVS"
154 #define TOK_PROTO "PROTO"
156 #define TOK_REHASH "REHASH"
157 #define TOK_RESET "RESET"
158 #define TOK_RESTART "RESTART"
159 #define TOK_RPING "RI"
160 #define TOK_RPONG "RO"
161 #define TOK_SERVER "S"
162 #define TOK_SERVLIST "SERVSET"
163 #define TOK_SERVSET "SERVSET"
164 #define TOK_SET "SET"
165 #define TOK_SETTIME "SE"
166 #define TOK_SILENCE "U"
167 #define TOK_SQUERY "SQUERY"
168 #define TOK_SQUIT "SQ"
169 #define TOK_STATS "R"
170 #define TOK_SVSNICK "SN"
171 #define TOK_TIME "TI"
172 #define TOK_TOPIC "T"
173 #define TOK_TRACE "TR"
174 #define TOK_UPING "UP"
175 #define TOK_USER "USER"
176 #define TOK_USERHOST "USERHOST"
177 #define TOK_USERIP "USERIP"
178 #define TOK_VERSION "V"
179 #define TOK_WALLCHOPS "WC"
180 #define TOK_WALLOPS "WA"
181 #define TOK_WALLUSERS "WU"
182 #define TOK_WALLVOICES "WV"
184 #define TOK_WHOIS "W"
185 #define TOK_WHOWAS "X"
187 /* Protocol messages; aliased to full commands or tokens depending
188 on compile-time configuration. ircu prefers tokens WITH THE
189 EXCEPTION OF THE SERVER AND PASS COMMANDS, which cannot be
190 tokenized, because clients' (ie. a linking server) commands are
191 only checked against the full command list.
193 #if defined(ENABLE_TOKENS)
194 #define TYPE(NAME) TOK_ ## NAME
195 #else /* !ENABLE_TOKENS */
196 #define TYPE(NAME) CMD_ ## NAME
197 #endif /* ENABLE_TOKENS */
199 #define P10_ACCOUNT TYPE(ACCOUNT)
200 #define P10_ADMIN TYPE(ADMIN)
201 #define P10_ASLL TYPE(ASLL)
202 #define P10_AWAY TYPE(AWAY)
203 #define P10_BURST TYPE(BURST)
204 #define P10_CLEARMODE TYPE(CLEARMODE)
205 #define P10_CLOSE TYPE(CLOSE)
206 #define P10_CNOTICE TYPE(CNOTICE)
207 #define P10_CONNECT TYPE(CONNECT)
208 #define P10_CPRIVMSG TYPE(CPRIVMSG)
209 #define P10_CREATE TYPE(CREATE)
210 #define P10_DESTRUCT TYPE(DESTRUCT)
211 #define P10_DESYNCH TYPE(DESYNCH)
212 #define P10_DIE TYPE(DIE)
213 #define P10_DNS TYPE(DNS)
214 #define P10_EOB TYPE(EOB)
215 #define P10_EOB_ACK TYPE(EOB_ACK)
216 #define P10_ERROR TYPE(ERROR)
217 #define P10_FAKEHOST TYPE(FAKEHOST)
218 #define P10_GET TYPE(GET)
219 #define P10_GLINE TYPE(GLINE)
220 #define P10_HASH TYPE(HASH)
221 #define P10_HELP TYPE(HELP)
222 #define P10_INFO TYPE(INFO)
223 #define P10_INVITE TYPE(INVITE)
224 #define P10_ISON TYPE(ISON)
225 #define P10_JOIN TYPE(JOIN)
226 #define P10_JUPE TYPE(JUPE)
227 #define P10_KICK TYPE(KICK)
228 #define P10_KILL TYPE(KILL)
229 #define P10_LINKS TYPE(LINKS)
230 #define P10_LIST TYPE(LIST)
231 #define P10_LUSERS TYPE(LUSERS)
232 #define P10_MAP TYPE(MAP)
233 #define P10_MODE TYPE(MODE)
234 #define P10_MOTD TYPE(MOTD)
235 #define P10_NAMES TYPE(NAMES)
236 #define P10_NICK TYPE(NICK)
237 #define P10_NOTICE TYPE(NOTICE)
238 #define P10_OPER TYPE(OPER)
239 #define P10_OPMODE TYPE(OPMODE)
240 #define P10_PART TYPE(PART)
241 #define P10_PASS CMD_PASS
242 #define P10_PING TYPE(PING)
243 #define P10_PONG TYPE(PONG)
244 #define P10_POST TYPE(POST)
245 #define P10_PRIVMSG TYPE(PRIVMSG)
246 #define P10_PRIVS TYPE(PRIVS)
247 #define P10_PROTO TYPE(PROTO)
248 #define P10_QUIT TYPE(QUIT)
249 #define P10_REHASH TYPE(REHASH)
250 #define P10_RESET TYPE(RESET)
251 #define P10_RESTART TYPE(RESTART)
252 #define P10_RPING TYPE(RPING)
253 #define P10_RPONG TYPE(RPONG)
254 #define P10_SERVER CMD_SERVER
255 #define P10_SERVLIST TYPE(SERVLIST)
256 #define P10_SERVSET TYPE(SERVSET)
257 #define P10_SET TYPE(SET)
258 #define P10_SETTIME TYPE(SETTIME)
259 #define P10_SILENCE TYPE(SILENCE)
260 #define P10_SQUERY TYPE(SQUERY)
261 #define P10_SQUIT TYPE(SQUIT)
262 #define P10_STATS TYPE(STATS)
263 #define P10_SVSNICK TYPE(SVSNICK)
264 #define P10_TIME TYPE(TIME)
265 #define P10_TOPIC TYPE(TOPIC)
266 #define P10_TRACE TYPE(TRACE)
267 #define P10_UPING TYPE(UPING)
268 #define P10_USER TYPE(USER)
269 #define P10_USERHOST TYPE(USERHOST)
270 #define P10_USERIP TYPE(USERIP)
271 #define P10_VERSION TYPE(VERSION)
272 #define P10_WALLCHOPS TYPE(WALLCHOPS)
273 #define P10_WALLOPS TYPE(WALLOPS)
274 #define P10_WALLUSERS TYPE(WALLUSERS)
275 #define P10_WALLVOICES TYPE(WALLVOICES)
276 #define P10_WHO TYPE(WHO)
277 #define P10_WHOIS TYPE(WHOIS)
278 #define P10_WHOWAS TYPE(WHOWAS)
280 /* Servers claiming to have a boot or link time before PREHISTORY
281 * trigger errors to the log. We hope no server has been running
282 * constantly since September 1994. :)
284 #define PREHISTORY 780000000
286 static struct server *servers_num[64*64];
287 static privmsg_func_t *privmsg_funcs;
288 static unsigned int num_privmsg_funcs;
289 static privmsg_func_t *notice_funcs;
290 static unsigned int num_notice_funcs;
291 static struct dict *unbursted_channels;
292 static const char *his_servername;
293 static const char *his_servercomment;
295 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, unsigned long timestamp, const char *realip);
297 extern int off_channel;
299 static int parse_oplevel(char *str);
301 /* Numerics can be XYY, XYYY, or XXYYY; with X's identifying the
302 * server and Y's indentifying the client on that server. */
304 GetServerN(const char *numeric)
306 switch (strlen(numeric)) {
308 return servers_num[base64toint(numeric, 2)];
312 return servers_num[base64toint(numeric, 1)];
319 GetUserN(const char *numeric) /* using numeric */
325 switch (strlen(numeric)) {
327 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): numeric too long!", numeric);
329 case 5: slen = 2; ulen = 3; break;
330 case 4: slen = 1; ulen = 3; break;
331 case 3: slen = 1; ulen = 2; break;
332 case 2: case 1: case 0:
333 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): numeric too short!", numeric);
336 if (!(s = servers_num[base64toint(numeric, slen)])) {
337 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): couldn't find server (len=%d)!", numeric, slen);
340 n = base64toint(numeric+slen, ulen) & s->num_mask;
341 if (!(un = s->users[n])) {
342 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s) couldn't find user!", numeric);
348 privmsg_user_helper(struct userNode *un, void *data)
350 struct privmsg_desc *pd = data;
351 unsigned int num = un->num_local;
352 if (!pd->is_notice) {
353 if ((num < num_privmsg_funcs) && privmsg_funcs[num]) {
354 privmsg_funcs[num](pd->user, un, pd->text, pd->is_qualified);
357 if ((num < num_notice_funcs) && notice_funcs[num]) {
358 notice_funcs[num](pd->user, un, pd->text, pd->is_qualified);
364 irc_server(struct server *srv)
366 char extranum[COMBO_NUMERIC_LEN+1];
368 inttobase64(extranum, srv->num_mask, (srv->numeric[1] || (srv->num_mask >= 64*64)) ? 3 : 2);
370 /* The +s, ignored by Run's ircu, means "service" to Undernet's ircu */
371 putsock(P10_SERVER " %s %d %lu %lu J10 %s%s +s6 :%s",
372 srv->name, srv->hops+1, srv->boot, srv->link, srv->numeric, extranum, srv->description);
374 putsock("%s " P10_SERVER " %s %d %lu %lu %c10 %s%s +s6 :%s",
375 self->numeric, srv->name, srv->hops+1, srv->boot, srv->link, (srv->self_burst ? 'J' : 'P'), srv->numeric, extranum, srv->description);
380 irc_p10_pton(irc_in_addr_t *ip, const char *input)
382 if (strlen(input) == 6) {
384 memset(ip, 0, 6 * sizeof(ip->in6[0]));
385 value = base64toint(input, 6);
387 ip->in6[5] = htons(65535);
388 ip->in6[6] = htons(value >> 16);
389 ip->in6[7] = htons(value & 65535);
391 unsigned int pos = 0;
395 for (left = (25 - strlen(input)) / 3; left; left--)
399 ip->in6[pos++] = ntohs(base64toint(input, 3));
407 irc_p10_ntop(char *output, const irc_in_addr_t *ip)
409 if (!irc_in_addr_is_valid(*ip)) {
410 strcpy(output, "AAAAAA");
411 } else if (irc_in_addr_is_ipv4(*ip)) {
413 in4 = (ntohs(ip->in6[6]) << 16) | ntohs(ip->in6[7]);
414 inttobase64(output, in4, 6);
416 } else if (irc_in_addr_is_ipv6(*ip)) {
417 unsigned int max_start, max_zeros, curr_zeros, zero, ii;
418 /* Can start by printing out the leading non-zero parts. */
419 for (ii = 0; (ip->in6[ii]) && (ii < 8); ++ii) {
420 inttobase64(output, ntohs(ip->in6[ii]), 3);
423 /* Find the longest run of zeros. */
424 for (max_start = zero = ii, max_zeros = curr_zeros = 0; ii < 8; ++ii) {
427 else if (curr_zeros > max_zeros) {
428 max_start = ii - curr_zeros;
429 max_zeros = curr_zeros;
433 if (curr_zeros > max_zeros) {
434 max_start = ii - curr_zeros;
435 max_zeros = curr_zeros;
438 /* Print the rest of the address */
439 for (ii = zero; ii < 8; ) {
440 if ((ii == max_start) && max_zeros) {
444 inttobase64(output, ntohs(ip->in6[ii]), 3);
450 strcpy(output, "???");
455 irc_user(struct userNode *user)
458 if (!user || IsDummy(user))
460 irc_p10_ntop(b64ip, &user->ip);
467 modes[modelen++] = 'o';
468 if (IsInvisible(user))
469 modes[modelen++] = 'i';
471 modes[modelen++] = 'w';
473 modes[modelen++] = 'k';
475 modes[modelen++] = 'd';
477 modes[modelen++] = 'g';
479 modes[modelen++] = 'n';
480 if (IsHiddenHost(user))
481 modes[modelen++] = 'x';
483 modes[modelen++] = 'I';
486 /* we don't need to put the + in modes because it's in the format string. */
487 putsock("%s " P10_NICK " %s %d %lu %s %s +%s %s %s :%s",
488 user->uplink->numeric, user->nick, user->uplink->hops+1, (unsigned long)user->timestamp, user->ident, user->hostname, modes, b64ip, user->numeric, user->info);
490 putsock("%s " P10_NICK " %s %d %lu %s %s %s %s :%s",
491 user->uplink->numeric, user->nick, user->uplink->hops+1, (unsigned long)user->timestamp, user->ident, user->hostname, b64ip, user->numeric, user->info);
496 irc_account(struct userNode *user, const char *stamp, unsigned long timestamp, unsigned long serial)
498 putsock("%s " P10_ACCOUNT " %s %s %lu %lu", self->numeric, user->numeric, stamp, timestamp, serial);
502 irc_fakehost(struct userNode *user, const char *host)
504 putsock("%s " P10_FAKEHOST " %s %s", self->numeric, user->numeric, host);
508 irc_regnick(UNUSED_ARG(struct userNode *user))
510 /* no operation here */
514 irc_nick(struct userNode *user, UNUSED_ARG(const char *old_nick))
516 putsock("%s " P10_NICK " %s %lu", user->numeric, user->nick, (unsigned long)now);
520 irc_fetchtopic(struct userNode *from, const char *to)
524 putsock("%s " P10_TOPIC " %s", from->numeric, to);
528 irc_squit(struct server *srv, const char *message, const char *service_message)
530 if (!service_message)
531 service_message = message;
533 /* Are we leaving the network? */
534 if (srv == self && cManager.uplink->state == CONNECTED) {
537 /* Quit all clients linked to me. */
538 for (i = 0; i <= self->num_mask; i++) {
541 irc_quit(self->users[i], service_message);
545 putsock("%s " P10_SQUIT " %s %d :%s", self->numeric, srv->name, 0, message);
548 /* Force a reconnect to the currently selected server. */
549 cManager.uplink->tries = 0;
550 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", message);
556 irc_wallchops(struct userNode *from, const char *to, const char *message)
558 putsock("%s " P10_WALLCHOPS " %s :%s", from->numeric, to, message);
562 deliver_to_dummy(struct userNode *source, struct userNode *dest, const char *message, int type)
566 if (!dest || !IsDummy(dest) || !IsLocal(dest))
568 num = dest->num_local;
571 if ((num < num_notice_funcs) && notice_funcs[num])
572 notice_funcs[num](source, dest, message, 0);
575 if ((num < num_privmsg_funcs) && privmsg_funcs[num])
576 privmsg_funcs[num](source, dest, message, 0);
583 irc_notice(struct userNode *from, const char *to, const char *message)
585 if (to[0] == '#' || to[0] == '$'
586 || !deliver_to_dummy(from, GetUserN(to), message, 0))
587 putsock("%s " P10_NOTICE " %s :%s", from->numeric, to, message);
591 irc_notice_user(struct userNode *from, struct userNode *to, const char *message)
593 if (!deliver_to_dummy(from, to, message, 0))
594 putsock("%s " P10_NOTICE " %s :%s", from->numeric, to->numeric, message);
598 irc_privmsg(struct userNode *from, const char *to, const char *message)
600 if (to[0] == '#' || to[0] == '$'
601 || !deliver_to_dummy(from, GetUserN(to), message, 1))
602 putsock("%s " P10_PRIVMSG " %s :%s", from->numeric, to, message);
608 putsock("%s " P10_EOB, self->numeric);
614 putsock("%s " P10_EOB_ACK, self->numeric);
618 irc_ping(const char *payload)
620 putsock("%s " P10_PING " :%s", self->numeric, payload);
624 irc_pong(const char *who, const char *data)
626 putsock("%s " P10_PONG " %s :%s", self->numeric, who, data);
630 irc_pong_asll(const char *who, const char *orig_ts)
637 orig.tv_sec = strtoul(orig_ts, &delim, 10);
638 orig.tv_usec = (*delim == '.') ? strtoul(delim + 1, NULL, 10) : 0;
639 gettimeofday(&now, NULL);
640 diff = (now.tv_sec - orig.tv_sec) * 1000 + (now.tv_usec - orig.tv_usec) / 1000;
641 putsock("%s " P10_PONG " %s %s %d %lu.%06lu", self->numeric, who, orig_ts, diff, (unsigned long)now.tv_sec, (unsigned long)now.tv_usec);
645 irc_pass(const char *passwd)
647 putsock(P10_PASS " :%s", passwd);
651 irc_introduce(const char *passwd)
653 void timed_send_ping(void *data);
655 self->self_burst = self->burst = 1;
659 timeq_add(now + ping_freq, timed_send_ping, 0);
663 irc_gline(struct server *srv, struct gline *gline)
666 putsock("%s " P10_GLINE " %s +%s %lu %lu :%s",
667 self->numeric, (srv ? srv->numeric : "*"), gline->target, (unsigned long)(gline->expires-now), (unsigned long)gline->lastmod, gline->reason);
669 putsock("%s " P10_GLINE " %s +%s %lu :%s",
670 self->numeric, (srv ? srv->numeric : "*"), gline->target, (unsigned long)(gline->expires-now), gline->reason);
674 irc_settime(const char *srv_name_mask, unsigned long new_time)
676 ioset_set_time(new_time);
677 if (!strcmp(srv_name_mask, "*"))
679 putsock("%s " P10_SETTIME " %lu %s", self->numeric, new_time, srv_name_mask);
683 irc_ungline(const char *mask)
685 putsock("%s " P10_GLINE " * -%s", self->numeric, mask);
689 irc_burst(struct chanNode *chan)
691 char burst_line[512];
692 int pos, base_len, len;
696 unsigned int first_ban;
699 base_len = sprintf(burst_line, "%s " P10_BURST " %s %lu ",
700 self->numeric, chan->name,
701 (unsigned long)chan->timestamp);
702 len = irc_make_chanmode(chan, burst_line+base_len);
703 pos = base_len + len;
704 if (len > 0 && chan->members.used > 0)
705 burst_line[pos++] = ' ';
708 for (n=0; n<chan->members.used; n++) {
709 mn = chan->members.list[n];
711 burst_line[pos-1] = 0; /* -1 to back up over the space or comma */
712 putsock("%s", burst_line);
716 memcpy(burst_line+pos, mn->user->numeric, strlen(mn->user->numeric));
717 pos += strlen(mn->user->numeric);
718 if (mn->modes && (mn->modes != last_mode)) {
719 last_mode = mn->modes;
720 burst_line[pos++] = ':';
721 if (last_mode & MODE_CHANOP)
722 burst_line[pos++] = 'o';
723 if (last_mode & MODE_VOICE)
724 burst_line[pos++] = 'v';
726 if ((n+1)<chan->members.used)
727 burst_line[pos++] = ',';
731 if (chan->banlist.used) {
734 if (chan->members.used > 0)
735 burst_line[pos++] = ' ';
737 for (n=0; n<chan->banlist.used; ) {
738 if (first_ban && (pos < 500)) {
739 burst_line[pos++] = ':';
740 burst_line[pos++] = '%';
742 bn = chan->banlist.list[n];
743 len = strlen(bn->ban);
744 if (pos + 2 + len < 505) {
745 memcpy(burst_line + pos, bn->ban, len);
747 burst_line[pos++] = ' ';
751 burst_line[pos-1] = 0;
752 putsock("%s", burst_line);
759 /* print the last line */
761 putsock("%s", burst_line);
765 irc_quit(struct userNode *user, const char *message)
767 putsock("%s " P10_QUIT " :%s", user->numeric, message);
771 irc_error(const char *to, const char *message)
774 putsock("%s " P10_ERROR " :%s", to, message);
776 putsock(":%s " P10_ERROR " :%s", self->name, message);
781 irc_kill(struct userNode *from, struct userNode *target, const char *message)
784 putsock("%s " P10_KILL " %s :%s!%s (%s)",
785 from->numeric, target->numeric, self->name, from->nick, message);
787 putsock("%s " P10_KILL " %s :%s (%s)",
788 self->numeric, target->numeric, self->name, message);
793 irc_mode(struct userNode *from, struct chanNode *target, const char *modes)
795 putsock("%s " P10_MODE " %s %s %lu",
796 (from ? from->numeric : self->numeric),
797 target->name, modes, (unsigned long)target->timestamp);
801 irc_invite(struct userNode *from, struct userNode *who, struct chanNode *to)
803 putsock("%s " P10_INVITE " %s %s", from->numeric, who->nick, to->name);
807 irc_join(struct userNode *who, struct chanNode *what)
809 if (what->members.used == 1) {
810 putsock("%s " P10_CREATE " %s %lu",
811 who->numeric, what->name, (unsigned long)what->timestamp);
813 putsock("%s " P10_JOIN " %s %lu", who->numeric, what->name,
814 (unsigned long)what->timestamp);
819 irc_kick(struct userNode *who, struct userNode *target, struct chanNode *channel, const char *msg)
822 struct modeNode *mn = GetUserMode(channel, who);
823 numeric = ((mn && (mn->modes & MODE_CHANOP)) || off_channel) ? who->numeric : self->numeric;
824 putsock("%s " P10_KICK " %s %s :%s",
825 numeric, channel->name, target->numeric, msg);
829 irc_stats(struct userNode *from, struct server *target, char type)
831 putsock("%s " P10_STATS " %c :%s", from->numeric, type, target->numeric);
835 irc_svsnick(struct userNode *from, struct userNode *target, const char *newnick)
837 putsock("%s " P10_SVSNICK " %s %s %lu", from->uplink->numeric, target->numeric, newnick, (unsigned long)now);
841 irc_part(struct userNode *who, struct chanNode *what, const char *reason)
844 putsock("%s " P10_PART " %s :%s", who->numeric, what->name, reason);
846 putsock("%s " P10_PART " %s", who->numeric, what->name);
851 irc_topic(struct userNode *who, struct chanNode *what, const char *topic)
853 putsock("%s " P10_TOPIC " %s :%s", who->numeric, what->name, topic);
857 irc_raw(const char *what)
863 irc_numeric(struct userNode *user, unsigned int num, const char *format, ...)
867 va_start(arg_list, format);
868 vsnprintf(buffer, MAXLEN-2, format, arg_list);
869 buffer[MAXLEN-1] = 0;
870 putsock(":%s %03d %s %s", self->name, num, user->nick, buffer);
873 static void send_burst(void);
876 change_nicklen(int new_nicklen)
879 char new_nick[NICKLEN+1];
880 struct userNode *user;
882 nicklen = new_nicklen;
883 /* fix up any users we have here */
884 for (nn=0; nn<=self->num_mask; nn++) {
885 if (!(user = self->users[nn]))
887 safestrncpy(new_nick, user->nick, sizeof(new_nick));
888 new_nick[nicklen] = 0;
889 NickChange(user, new_nick, 1);
893 static CMD_FUNC(cmd_whois)
895 struct userNode *from;
896 struct userNode *who;
898 unsigned int i, mlen, len;
902 if (!(from = GetUserH(origin))) {
903 log_module(MAIN_LOG, LOG_ERROR, "Could not find WHOIS origin user %s", origin);
906 if (!(who = GetUserH(argv[2]))) {
907 irc_numeric(from, ERR_NOSUCHNICK, "%s@%s :No such nick", argv[2], self->name);
911 if (IsFakeHost(who) && IsHiddenHost(who))
912 irc_numeric(from, RPL_WHOISUSER, "%s %s %s * :%s", who->nick, who->ident, who->fakehost, who->info);
913 else if (IsHiddenHost(who) && who->handle_info && hidden_host_suffix)
914 irc_numeric(from, RPL_WHOISUSER, "%s %s %s.%s * :%s", who->nick, who->ident, who->handle_info->handle, hidden_host_suffix, who->info);
916 irc_numeric(from, RPL_WHOISUSER, "%s %s %s * :%s", who->nick, who->ident, who->hostname, who->info);
918 if ((!IsService(who) && !IsNoChan(who)) || (from == who)) {
920 mlen = strlen(self->name) + strlen(from->nick) + 12 + strlen(who->nick);
923 for (i = who->channels.used; i > 0; )
925 mn = who->channels.list[--i];
927 if (!IsOper(from) && (mn->channel->modes & (MODE_PRIVATE | MODE_SECRET)) && !GetUserMode(mn->channel, from))
930 if (len + strlen(mn->channel->name) + mlen > MAXLEN - 5)
932 irc_numeric(from, RPL_WHOISCHANNELS, "%s :%s", who->nick, buf);
938 *(buf + len++) = '-';
939 if ((mn->channel->modes & (MODE_PRIVATE | MODE_SECRET)) && !GetUserMode(mn->channel, from))
940 *(buf + len++) = '*';
941 if (mn->modes & MODE_CHANOP)
942 *(buf + len++) = '@';
943 else if (mn->modes & MODE_VOICE)
944 *(buf + len++) = '+';
948 strcpy(buf + len, mn->channel->name);
949 len += strlen(mn->channel->name);
950 strcat(buf + len, " ");
954 irc_numeric(from, RPL_WHOISCHANNELS, "%s :%s", who->nick, buf);
957 if (his_servername && his_servercomment && !IsOper(from) && from != who)
958 irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, his_servername, his_servercomment);
960 irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, who->uplink->name, who->uplink->description);
963 irc_numeric(from, RPL_AWAY, "%s :Away", who->nick);
965 irc_numeric(from, RPL_WHOISOPERATOR, "%s :%s", who->nick, IsLocal(who) ? "is a megalomaniacal power hungry tyrant" : "is an IRC Operator");
966 if (who->handle_info)
967 irc_numeric(from, RPL_WHOISACCOUNT, "%s %s :is logged in as", who->nick, who->handle_info->handle);
968 if (IsHiddenHost(who) && who->handle_info && (IsOper(from) || from == who))
969 irc_numeric(from, RPL_WHOISACTUALLY, "%s %s@%s %s :Actual user@host, Actual IP", who->nick, who->ident, who->hostname, irc_ntoa(&who->ip));
970 if (IsLocal(who) && !IsService(who) && (!IsNoIdle(who) || IsOper(from) || from == who))
971 irc_numeric(from, RPL_WHOISIDLE, "%s %ld %ld :seconds idle, signon time", who->nick, now - who->idle_since, who->timestamp);
973 irc_numeric(from, RPL_ENDOFWHOIS, "%s :End of /WHOIS list", who->nick);
977 static CMD_FUNC(cmd_server)
985 /* another server introduced us */
986 srv = AddServer(GetServerH(origin), argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), argv[6], argv[argc-1]);
989 srv->self_burst = argv[5][0] == 'J';
992 /* this must be our uplink */
993 srv = self->uplink = AddServer(self, argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), argv[6], argv[argc-1]);
996 srv->self_burst = argv[5][0] == 'J';
998 if ((argv[7][0] == '+') && !force_n2k) {
999 log_module(MAIN_LOG, LOG_WARNING, "Got Undernet-style SERVER message but \"force_n2k\" not on.");
1004 /* Fix up our timestamps if necessary. */
1005 if (srv->boot <= PREHISTORY) {
1006 /* Server from the mists of time.. */
1007 if (srv->hops == 1) {
1008 log_module(MAIN_LOG, LOG_ERROR, "Server %s claims to have booted at time %lu. This is absurd.", srv->name, (unsigned long)srv->boot);
1010 } else if ((str = conf_get_data("server/reliable_clock", RECDB_QSTRING))
1011 && enabled_string(str)) {
1012 /* If we have a reliable clock, we just keep our current time. */
1014 if (srv->boot <= self->boot) {
1015 /* The other server is older than us. Accept their timestamp.
1016 * Alternately, we are same age, but we accept their time
1017 * since we are linking to them. */
1018 self->boot = srv->boot;
1019 ioset_set_time(srv->link);
1022 if (srv == self->uplink) {
1023 extern unsigned long burst_begin;
1029 static CMD_FUNC(cmd_eob)
1031 struct server *sender;
1035 if (!(sender = GetServerH(origin)))
1037 if (sender == self->uplink) {
1038 cManager.uplink->state = CONNECTED;
1039 for (it = dict_first(unbursted_channels); it; it = iter_next(it))
1040 irc_burst(iter_data(it));
1041 dict_delete(unbursted_channels);
1042 unbursted_channels = NULL;
1046 sender->self_burst = 0;
1047 recalc_bursts(sender);
1048 for (ii=0; ii<slf_used; ii++)
1049 slf_list[ii](sender);
1053 static CMD_FUNC(cmd_eob_ack)
1055 extern unsigned long burst_begin;
1057 if (GetServerH(origin) == self->uplink) {
1058 burst_length = now - burst_begin;
1059 self->self_burst = self->burst = 0;
1061 cManager.uplink->state = CONNECTED;
1065 static CMD_FUNC(cmd_ping)
1068 struct userNode *un;
1071 irc_pong_asll(argv[2], argv[3]);
1072 else if ((srv = GetServerH(origin)))
1073 irc_pong(self->name, srv->numeric);
1074 else if ((un = GetUserH(origin)))
1075 irc_pong(self->name, un->numeric);
1077 irc_pong(self->name, origin);
1079 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1080 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1081 timeq_add(now + ping_freq, timed_send_ping, 0);
1086 static CMD_FUNC(cmd_error_nick)
1088 /* Go back to original IRC length .. and try to reconnect :/ */
1090 irc_squit(self, "Got erroneous nickname, truncating nicks.", NULL);
1094 struct create_desc {
1095 struct userNode *user;
1100 join_helper(struct chanNode *chan, void *data)
1102 struct create_desc *cd = data;
1103 AddChannelUser(cd->user, chan);
1107 create_helper(char *name, void *data)
1109 struct create_desc *cd = data;
1111 if (!strcmp(name, "0")) {
1112 while (cd->user->channels.used > 0)
1113 DelChannelUser(cd->user, cd->user->channels.list[0]->channel, 0, 0);
1117 AddChannelUser(cd->user, AddChannel(name, cd->when, NULL, NULL));
1120 static CMD_FUNC(cmd_create)
1122 struct create_desc cd;
1123 struct userNode *user;
1125 if ((argc < 3) || !(user = GetUserH(origin)))
1128 cd.when = atoi(argv[2]);
1129 parse_foreach(argv[1], join_helper, create_helper, NULL, NULL, &cd);
1133 static CMD_FUNC(cmd_join)
1135 struct create_desc cd;
1137 if (!(cd.user = GetUserH(origin)))
1144 cd.when = atoi(argv[2]);
1145 parse_foreach(argv[1], join_helper, create_helper, NULL, NULL, &cd);
1149 static CMD_FUNC(cmd_pong)
1153 if (!strcmp(argv[2], self->name)) {
1154 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1155 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1156 timeq_add(now + ping_freq, timed_send_ping, 0);
1162 static CMD_FUNC(cmd_nick)
1164 struct userNode *user;
1165 if ((user = GetUserH(origin))) {
1166 /* nick change (since the source is a user numeric) */
1169 NickChange(user, argv[1], 1);
1171 struct server *serv;
1176 serv = GetServerH(origin);
1178 unsplit_string(argv+6, argc-9, modes);
1181 AddUser(serv, argv[1], argv[4], argv[5], modes, argv[argc-2], argv[argc-1], atoi(argv[3]), argv[argc-3]);
1186 static CMD_FUNC(cmd_account)
1188 struct userNode *user;
1189 unsigned long timestamp = 0;
1190 unsigned long serial = 0;
1192 if ((argc < 3) || !origin || !GetServerH(origin))
1193 return 0; /* Origin must be server. */
1194 user = GetUserN(argv[1]);
1196 return 1; /* A QUIT probably passed the ACCOUNT. */
1198 timestamp = strtoul(argv[3], NULL, 10);
1200 serial = strtoul(argv[4], NULL, 10);
1201 call_account_func(user, argv[2], timestamp, serial);
1205 static CMD_FUNC(cmd_fakehost)
1207 struct userNode *user;
1209 if ((argc < 3) || !origin || !GetServerH(origin))
1211 if (!(user = GetUserN(argv[1])))
1213 assign_fakehost(user, argv[2], 0);
1217 static CMD_FUNC(cmd_burst)
1220 char modes[MAXLEN], *members = "", *banlist = NULL;
1221 unsigned int next = 3, res = 1;
1222 struct chanNode *cNode;
1223 struct userNode *un;
1224 struct modeNode *mNode;
1227 char *user, *end, sep;
1228 unsigned long in_timestamp;
1233 while (next < argc) {
1234 switch (argv[next][0]) {
1238 for (pos=argv[next], n_modes = 1; *pos; pos++)
1239 if ((*pos == 'k') || (*pos == 'l') || (*pos == 'A')
1242 if (next + n_modes > argc)
1243 n_modes = argc - next;
1244 unsplit_string(argv+next, n_modes, modes);
1248 case '%': banlist = argv[next++]+1; break;
1249 default: members = argv[next++]; break;
1253 in_timestamp = atoi(argv[2]);
1254 if ((cNode = dict_find(unbursted_channels, argv[1], NULL))) {
1255 cNode->timestamp = in_timestamp;
1256 dict_remove(unbursted_channels, cNode->name);
1259 cNode = AddChannel(argv[1], in_timestamp, modes, banlist);
1261 /* Burst channel members in now. */
1262 for (user = members, sep = *members, mode = 0; sep; user = end) {
1263 for (end = user + 3; isalnum(*end) || *end == '[' || *end == ']'; end++) ;
1264 sep = *end++; end[-1] = 0;
1267 while ((sep = *end++)) {
1269 mode |= MODE_CHANOP;
1271 } else if (sep == 'v') {
1274 } else if (isdigit(sep)) {
1275 mode |= MODE_CHANOP;
1277 oplevel += parse_oplevel(end);
1279 oplevel = parse_oplevel(end);
1280 while (isdigit(*end)) end++;
1287 if (!(un = GetUserN(user))) {
1291 if ((mNode = AddChannelUser(un, cNode))) {
1292 mNode->modes = mode;
1293 mNode->oplevel = oplevel;
1300 static CMD_FUNC(cmd_mode)
1302 struct chanNode *cn;
1303 struct userNode *un;
1307 if (!IsChannelName(argv[1])) {
1308 un = GetUserH(argv[1]);
1310 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s whose mode is changing.", argv[1]);
1313 mod_usermode(un, argv[2]);
1317 if (!(cn = GetChannel(argv[1]))) {
1318 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1321 if ((un = GetUserH(origin))) {
1322 struct modeNode *mn;
1323 /* Update idle time for person setting the mode */
1324 if ((mn = GetUserMode(cn, un)))
1325 mn->idle_since = now;
1327 /* If it came from a server, reset timestamp to re-sync. */
1328 cn->timestamp = atoi(argv[argc-1]);
1331 return mod_chanmode(un, cn, argv+2, argc-2, MCP_ALLOW_OVB|MCP_FROM_SERVER|(un ? MC_NOTIFY : 0));
1334 static CMD_FUNC(cmd_opmode)
1336 struct chanNode *cn;
1337 struct userNode *un;
1342 if (!(cn = GetChannel(argv[1]))) {
1343 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1346 if (!(un = GetUserH(origin))) {
1347 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s requesting OPMODE.", origin);
1351 log_module(MAIN_LOG, LOG_ERROR, "Non-privileged user %s using OPMODE.", un->nick);
1355 return mod_chanmode(un, cn, argv+2, argc-2, MCP_ALLOW_OVB|MCP_FROM_SERVER); /* do NOT announce opmode locally */
1358 static int clear_chanmode(struct chanNode *channel, const char *modes);
1360 static CMD_FUNC(cmd_clearmode)
1362 struct chanNode *cn;
1363 struct userNode *un;
1368 if (!(cn = GetChannel(argv[1]))) {
1369 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1372 if (!(un = GetUserH(origin))) {
1373 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s requesting CLEARMODE.", origin);
1377 log_module(MAIN_LOG, LOG_ERROR, "Non-privileged user %s using CLEARMODE.", un->nick);
1381 return clear_chanmode(cn, argv[2]);
1384 static CMD_FUNC(cmd_topic)
1386 struct chanNode *cn;
1387 unsigned long chan_ts, topic_ts;
1391 if (!(cn = GetChannel(argv[1]))) {
1392 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose topic is being set", argv[1]);
1396 /* Looks like an Asuka style topic burst. */
1397 chan_ts = atoi(argv[2]);
1398 topic_ts = atoi(argv[3]);
1400 chan_ts = cn->timestamp;
1403 SetChannelTopic(cn, GetUserH(origin), argv[argc-1], 0);
1404 cn->topic_time = topic_ts;
1408 static CMD_FUNC(cmd_num_topic)
1410 struct chanNode *cn;
1413 return 0; /* huh? */
1415 cn = GetChannel(argv[2]);
1417 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s in topic reply", argv[2]);
1423 switch (atoi(argv[0])) {
1426 break; /* no topic */
1430 safestrncpy(cn->topic, unsplit_string(argv+3, argc-3, NULL), sizeof(cn->topic));
1435 safestrncpy(cn->topic_nick, argv[3], sizeof(cn->topic_nick));
1436 cn->topic_time = atoi(argv[4]);
1439 return 0; /* should never happen */
1444 static CMD_FUNC(cmd_num_gline)
1446 unsigned long lastmod;
1449 lastmod = (argc > 5) ? strtoul(argv[5], NULL, 0) : 0;
1450 gline_add(origin, argv[3], atoi(argv[4])-now, argv[argc - 1], now, lastmod, 0);
1454 static CMD_FUNC(cmd_quit)
1456 struct userNode *user;
1459 /* Sometimes we get a KILL then a QUIT or the like, so we don't want to
1460 * call DelUser unless we have the user in our grasp. */
1461 if ((user = GetUserH(origin)))
1462 DelUser(user, NULL, false, argv[1]);
1466 static CMD_FUNC(cmd_kill)
1468 struct userNode *user;
1471 user = GetUserN(argv[1]);
1473 /* If we get a KILL for a non-existent user, it could be a
1474 * Ghost response to a KILL we sent out earlier. So we only
1475 * whine if the target is local.
1477 if (!strncmp(argv[1], self->numeric, strlen(self->numeric)))
1478 log_module(MAIN_LOG, LOG_ERROR, "Unable to find kill victim %s", argv[1]);
1482 if (IsLocal(user) && IsService(user)) {
1483 /* TODO: rate limit this so silly things don't happen. */
1484 ReintroduceUser(user);
1488 DelUser(user, NULL, false, argv[2]);
1492 static CMD_FUNC(cmd_kick)
1496 ChannelUserKicked(GetUserH(origin), GetUserN(argv[2]), GetChannel(argv[1]));
1500 static CMD_FUNC(cmd_squit)
1502 struct server *server;
1506 if (!(server = GetServerH(argv[1])))
1509 if (server == self->uplink) {
1510 /* Force a reconnect to the currently selected server. */
1511 cManager.uplink->tries = 0;
1512 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", argv[3]);
1517 DelServer(server, 0, argv[3]);
1521 static CMD_FUNC(cmd_privmsg)
1523 struct privmsg_desc pd;
1526 pd.user = GetUserH(origin);
1527 if (!pd.user || (IsGagged(pd.user) && !IsOper(pd.user)))
1530 pd.text = argv[argc - 1];
1531 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
1535 static CMD_FUNC(cmd_notice)
1537 struct privmsg_desc pd;
1540 pd.user = GetUserH(origin);
1541 if (!pd.user || (IsGagged(pd.user) && !IsOper(pd.user)))
1544 pd.text = argv[argc - 1];
1545 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
1549 static CMD_FUNC(cmd_away)
1551 struct userNode *uNode;
1553 uNode = GetUserH(origin);
1557 uNode->modes &= ~FLAGS_AWAY;
1559 uNode->modes |= FLAGS_AWAY;
1563 static CMD_FUNC(cmd_gline)
1565 unsigned long lastmod;
1569 if (argv[2][0] == '+') {
1572 lastmod = (argc > 5) ? strtoul(argv[5], NULL, 0) : 0;
1573 gline_add(origin, argv[2]+1, strtoul(argv[3], NULL, 0), argv[argc-1], now, lastmod, 0);
1575 } else if (argv[2][0] == '-') {
1576 gline_remove(argv[2]+1, 0);
1582 static CMD_FUNC(cmd_svsnick)
1584 struct userNode *target, *dest;
1586 || !(target = GetUserN(argv[1]))
1588 || (dest = GetUserH(argv[2])))
1590 NickChange(target, argv[2], 0);
1594 static oper_func_t *of_list;
1595 static unsigned int of_size = 0, of_used = 0;
1598 free_user(struct userNode *user)
1609 free(privmsg_funcs);
1610 num_privmsg_funcs = 0;
1612 num_notice_funcs = 0;
1614 dict_delete(irc_func_dict);
1615 for (nn=0; nn<dead_users.used; nn++)
1616 free_user(dead_users.list[nn]);
1617 userList_clean(&dead_users);
1621 p10_conf_reload(void) {
1622 hidden_host_suffix = conf_get_data("server/hidden_host", RECDB_QSTRING);
1623 his_servername = conf_get_data("server/his_servername", RECDB_QSTRING);
1624 his_servercomment = conf_get_data("server/his_servercomment", RECDB_QSTRING);
1628 remove_unbursted_channel(struct chanNode *cNode) {
1629 if (unbursted_channels)
1630 dict_remove(unbursted_channels, cNode->name);
1636 const char *str, *desc;
1637 int numnick, usermask, max_users;
1638 char numer[COMBO_NUMERIC_LEN+1];
1640 /* read config items */
1641 str = conf_get_data("server/ping_freq", RECDB_QSTRING);
1642 ping_freq = str ? ParseInterval(str) : 120;
1643 str = conf_get_data("server/ping_timeout", RECDB_QSTRING);
1644 ping_timeout = str ? ParseInterval(str) : 30;
1645 str = conf_get_data("server/force_n2k", RECDB_QSTRING);
1646 force_n2k = str ? enabled_string(str) : 1;
1647 str = conf_get_data("server/numeric", RECDB_QSTRING);
1649 log_module(MAIN_LOG, LOG_ERROR, "No server/numeric entry in config file.");
1652 numnick = atoi(str);
1653 str = conf_get_data("server/max_users", RECDB_QSTRING);
1654 max_users = str ? atoi(str) : 4096;
1655 for (usermask = 4; usermask < max_users; usermask <<= 1) ;
1657 if ((numnick < 64) && (usermask < 4096) && !force_n2k)
1658 inttobase64(numer, (numnick << 12) + (usermask & 0x00fff), 3);
1660 inttobase64(numer, (numnick << 18) + (usermask & 0x3ffff), 5);
1662 str = conf_get_data("server/hostname", RECDB_QSTRING);
1663 desc = conf_get_data("server/description", RECDB_QSTRING);
1664 if (!str || !desc) {
1665 log_module(MAIN_LOG, LOG_ERROR, "No server/hostname entry in config file.");
1668 self = AddServer(NULL, str, 0, boot_time, now, numer, desc);
1669 conf_register_reload(p10_conf_reload);
1671 irc_func_dict = dict_new();
1672 dict_insert(irc_func_dict, CMD_BURST, cmd_burst);
1673 dict_insert(irc_func_dict, TOK_BURST, cmd_burst);
1674 dict_insert(irc_func_dict, CMD_CREATE, cmd_create);
1675 dict_insert(irc_func_dict, TOK_CREATE, cmd_create);
1676 dict_insert(irc_func_dict, CMD_EOB, cmd_eob);
1677 dict_insert(irc_func_dict, TOK_EOB, cmd_eob);
1678 dict_insert(irc_func_dict, CMD_EOB_ACK, cmd_eob_ack);
1679 dict_insert(irc_func_dict, TOK_EOB_ACK, cmd_eob_ack);
1680 dict_insert(irc_func_dict, CMD_MODE, cmd_mode);
1681 dict_insert(irc_func_dict, TOK_MODE, cmd_mode);
1682 dict_insert(irc_func_dict, CMD_NICK, cmd_nick);
1683 dict_insert(irc_func_dict, TOK_NICK, cmd_nick);
1684 dict_insert(irc_func_dict, CMD_ACCOUNT, cmd_account);
1685 dict_insert(irc_func_dict, TOK_ACCOUNT, cmd_account);
1686 dict_insert(irc_func_dict, CMD_FAKEHOST, cmd_fakehost);
1687 dict_insert(irc_func_dict, TOK_FAKEHOST, cmd_fakehost);
1688 dict_insert(irc_func_dict, CMD_PASS, cmd_pass);
1689 dict_insert(irc_func_dict, TOK_PASS, cmd_pass);
1690 dict_insert(irc_func_dict, CMD_PING, cmd_ping);
1691 dict_insert(irc_func_dict, TOK_PING, cmd_ping);
1692 dict_insert(irc_func_dict, CMD_PRIVMSG, cmd_privmsg);
1693 dict_insert(irc_func_dict, TOK_PRIVMSG, cmd_privmsg);
1694 dict_insert(irc_func_dict, CMD_PONG, cmd_pong);
1695 dict_insert(irc_func_dict, TOK_PONG, cmd_pong);
1696 dict_insert(irc_func_dict, CMD_QUIT, cmd_quit);
1697 dict_insert(irc_func_dict, TOK_QUIT, cmd_quit);
1698 dict_insert(irc_func_dict, CMD_SERVER, cmd_server);
1699 dict_insert(irc_func_dict, TOK_SERVER, cmd_server);
1700 dict_insert(irc_func_dict, CMD_JOIN, cmd_join);
1701 dict_insert(irc_func_dict, TOK_JOIN, cmd_join);
1702 dict_insert(irc_func_dict, CMD_PART, cmd_part);
1703 dict_insert(irc_func_dict, TOK_PART, cmd_part);
1704 dict_insert(irc_func_dict, CMD_ERROR, cmd_error);
1705 dict_insert(irc_func_dict, TOK_ERROR, cmd_error);
1706 dict_insert(irc_func_dict, CMD_TOPIC, cmd_topic);
1707 dict_insert(irc_func_dict, TOK_TOPIC, cmd_topic);
1708 dict_insert(irc_func_dict, CMD_AWAY, cmd_away);
1709 dict_insert(irc_func_dict, TOK_AWAY, cmd_away);
1710 dict_insert(irc_func_dict, CMD_SILENCE, cmd_dummy);
1711 dict_insert(irc_func_dict, TOK_SILENCE, cmd_dummy);
1712 dict_insert(irc_func_dict, CMD_KICK, cmd_kick);
1713 dict_insert(irc_func_dict, TOK_KICK, cmd_kick);
1714 dict_insert(irc_func_dict, CMD_SQUIT, cmd_squit);
1715 dict_insert(irc_func_dict, TOK_SQUIT, cmd_squit);
1716 dict_insert(irc_func_dict, CMD_KILL, cmd_kill);
1717 dict_insert(irc_func_dict, TOK_KILL, cmd_kill);
1718 dict_insert(irc_func_dict, CMD_NOTICE, cmd_notice);
1719 dict_insert(irc_func_dict, TOK_NOTICE, cmd_notice);
1720 dict_insert(irc_func_dict, CMD_STATS, cmd_stats);
1721 dict_insert(irc_func_dict, TOK_STATS, cmd_stats);
1722 dict_insert(irc_func_dict, CMD_SVSNICK, cmd_svsnick);
1723 dict_insert(irc_func_dict, TOK_SVSNICK, cmd_svsnick);
1724 dict_insert(irc_func_dict, CMD_WHOIS, cmd_whois);
1725 dict_insert(irc_func_dict, TOK_WHOIS, cmd_whois);
1726 dict_insert(irc_func_dict, CMD_GLINE, cmd_gline);
1727 dict_insert(irc_func_dict, TOK_GLINE, cmd_gline);
1728 dict_insert(irc_func_dict, CMD_OPMODE, cmd_opmode);
1729 dict_insert(irc_func_dict, TOK_OPMODE, cmd_opmode);
1730 dict_insert(irc_func_dict, CMD_CLEARMODE, cmd_clearmode);
1731 dict_insert(irc_func_dict, TOK_CLEARMODE, cmd_clearmode);
1732 dict_insert(irc_func_dict, CMD_VERSION, cmd_version);
1733 dict_insert(irc_func_dict, TOK_VERSION, cmd_version);
1734 dict_insert(irc_func_dict, CMD_ADMIN, cmd_admin);
1735 dict_insert(irc_func_dict, TOK_ADMIN, cmd_admin);
1737 /* In P10, DESTRUCT doesn't do anything except be broadcast to servers.
1738 * Apparently to obliterate channels from any servers that think they
1741 dict_insert(irc_func_dict, CMD_DESTRUCT, cmd_dummy);
1742 dict_insert(irc_func_dict, TOK_DESTRUCT, cmd_dummy);
1743 /* Ignore invites */
1744 dict_insert(irc_func_dict, CMD_INVITE, cmd_dummy);
1745 dict_insert(irc_func_dict, TOK_INVITE, cmd_dummy);
1746 /* DESYNCH is just informational, so ignore it */
1747 dict_insert(irc_func_dict, CMD_DESYNCH, cmd_dummy);
1748 dict_insert(irc_func_dict, TOK_DESYNCH, cmd_dummy);
1749 /* Ignore channel operator notices. */
1750 dict_insert(irc_func_dict, CMD_WALLCHOPS, cmd_dummy);
1751 dict_insert(irc_func_dict, TOK_WALLCHOPS, cmd_dummy);
1752 dict_insert(irc_func_dict, CMD_WALLVOICES, cmd_dummy);
1753 dict_insert(irc_func_dict, TOK_WALLVOICES, cmd_dummy);
1754 /* Ignore opers being silly. */
1755 dict_insert(irc_func_dict, CMD_WALLOPS, cmd_dummy);
1756 dict_insert(irc_func_dict, TOK_WALLOPS, cmd_dummy);
1757 /* We have reliable clock! Always! Wraaa! */
1758 dict_insert(irc_func_dict, CMD_SETTIME, cmd_dummy);
1759 dict_insert(irc_func_dict, TOK_SETTIME, cmd_dummy);
1761 dict_insert(irc_func_dict, "331", cmd_num_topic);
1762 dict_insert(irc_func_dict, "332", cmd_num_topic);
1763 dict_insert(irc_func_dict, "333", cmd_num_topic);
1764 dict_insert(irc_func_dict, "345", cmd_dummy); /* blah has been invited to blah */
1765 dict_insert(irc_func_dict, "432", cmd_error_nick); /* Erroneus [sic] nickname */
1766 /* ban list resetting */
1767 /* "stats g" responses */
1768 dict_insert(irc_func_dict, "247", cmd_num_gline);
1769 dict_insert(irc_func_dict, "219", cmd_dummy); /* "End of /STATS report" */
1770 /* other numeric responses we might get */
1771 dict_insert(irc_func_dict, "401", cmd_dummy); /* target left network */
1772 dict_insert(irc_func_dict, "403", cmd_dummy); /* no such channel */
1773 dict_insert(irc_func_dict, "404", cmd_dummy); /* cannot send to channel */
1774 dict_insert(irc_func_dict, "439", cmd_dummy); /* target change too fast */
1775 dict_insert(irc_func_dict, "441", cmd_dummy); /* target isn't on that channel */
1776 dict_insert(irc_func_dict, "442", cmd_dummy); /* you aren't on that channel */
1777 dict_insert(irc_func_dict, "443", cmd_dummy); /* is already on channel (after invite?) */
1778 dict_insert(irc_func_dict, "461", cmd_dummy); /* Not enough parameters (after TOPIC w/ 0 args) */
1779 dict_insert(irc_func_dict, "467", cmd_dummy); /* Channel key already set */
1781 num_privmsg_funcs = 16;
1782 privmsg_funcs = malloc(sizeof(privmsg_func_t)*num_privmsg_funcs);
1783 memset(privmsg_funcs, 0, sizeof(privmsg_func_t)*num_privmsg_funcs);
1785 num_notice_funcs = 16;
1786 notice_funcs = malloc(sizeof(privmsg_func_t)*num_notice_funcs);
1787 memset(notice_funcs, 0, sizeof(privmsg_func_t)*num_notice_funcs);
1789 userList_init(&dead_users);
1790 reg_del_channel_func(remove_unbursted_channel);
1791 reg_exit_func(parse_cleanup);
1795 parse_line(char *line, int recursive)
1797 char *argv[MAXNUMPARAMS], *origin;
1798 int argc, cmd, res=0;
1801 argc = split_line(line, true, MAXNUMPARAMS, argv);
1802 cmd = self->uplink || !argv[0][1] || !argv[0][2];
1805 if (argv[0][0] == ':') {
1807 } else if (!argv[0][1] || !argv[0][2]) {
1808 struct server *sNode = GetServerN(argv[0]);
1809 origin = sNode ? sNode->name : 0;
1811 struct userNode *uNode = GetUserN(argv[0]);
1812 origin = uNode ? uNode->nick : 0;
1816 if ((func = dict_find(irc_func_dict, argv[cmd], NULL)))
1817 res = func(origin, argc-cmd, argv+cmd);
1820 log_module(MAIN_LOG, LOG_ERROR, "PARSE ERROR on line: %s", unsplit_string(argv, argc, NULL));
1821 } else if (!recursive) {
1823 for (i=0; i<dead_users.used; i++)
1824 free_user(dead_users.list[i]);
1825 dead_users.used = 0;
1831 parse_foreach(char *target_list, foreach_chanfunc cf, foreach_nonchan nc, foreach_userfunc uf, foreach_nonuser nu, void *data)
1837 while (*j != 0 && *j != ',')
1842 if (IsChannelName(target_list)
1843 || (target_list[0] == '0' && target_list[1] == '\0')) {
1844 struct chanNode *chan = GetChannel(target_list);
1851 nc(target_list, data);
1854 struct userNode *user;
1855 struct privmsg_desc *pd = data;
1857 pd->is_qualified = 0;
1858 if (*target_list == '@') {
1860 } else if (strchr(target_list, '@')) {
1861 struct server *server;
1863 pd->is_qualified = 1;
1864 user = GetUserH(strtok(target_list, "@"));
1865 server = GetServerH(strtok(NULL, "@"));
1867 if (user && (user->uplink != server)) {
1868 /* Don't attempt to index into any arrays
1869 using a user's numeric on another server. */
1873 user = GetUserN(target_list);
1881 nu(target_list, data);
1885 } while (old == ',');
1889 get_local_numeric(void)
1891 static unsigned int next_numeric = 0;
1892 if (self->clients > self->num_mask)
1894 while (self->users[next_numeric])
1895 if (++next_numeric > self->num_mask)
1897 return next_numeric;
1901 make_numeric(struct server *svr, int local_num, char *outbuf)
1905 if (force_n2k || svr->numeric[1]) {
1910 llen = (local_num < 64*64) ? 2 : 3;
1912 strncpy(outbuf, svr->numeric, slen);
1913 inttobase64(outbuf+slen, local_num, llen);
1914 outbuf[slen+llen] = 0;
1918 AddServer(struct server *uplink, const char *name, int hops, unsigned long boot, unsigned long link, const char *numeric, const char *description)
1920 struct server* sNode;
1923 if ((sNode = GetServerN(numeric))) {
1924 /* This means we're trying to re-add an existant server.
1925 * To be safe, we should forget the previous incarnation.
1926 * (And all its linked servers.)
1928 * It usually only happens in replays when the original
1929 * had a ping timeout and the replay didn't (because
1930 * replaying a ping timeout invariably gets things wrong).
1932 DelServer(sNode, 0, NULL);
1935 switch (strlen(numeric)) {
1936 case 5: slen = 2; mlen = 3; break;
1937 case 4: slen = 1; mlen = 3; break;
1938 case 3: slen = 1; mlen = 2; break;
1940 log_module(MAIN_LOG, LOG_ERROR, "AddServer(\"%s\", \"%s\", ...): Numeric %s has invalid length.", uplink->name, name, numeric);
1944 sNode = calloc(1, sizeof(*sNode));
1945 sNode->uplink = uplink;
1946 safestrncpy(sNode->name, name, sizeof(sNode->name));
1947 sNode->num_mask = base64toint(numeric+slen, mlen);
1951 strncpy(sNode->numeric, numeric, slen);
1952 safestrncpy(sNode->description, description, sizeof(sNode->description));
1953 sNode->users = calloc(sNode->num_mask+1, sizeof(*sNode->users));
1954 serverList_init(&sNode->children);
1955 if (sNode->uplink) {
1956 /* uplink may be NULL if we're just building ourself */
1957 serverList_append(&sNode->uplink->children, sNode);
1959 servers_num[base64toint(numeric, slen)] = sNode;
1960 dict_insert(servers, sNode->name, sNode);
1964 void DelServer(struct server* serv, int announce, const char *message)
1968 /* If we receive an ERROR command before the SERVER
1969 * command a NULL server can be passed */
1973 /* Hrm, what's the right way to SQUIT some other server?
1974 * (This code is only to handle killing juped servers.) */
1975 if (announce && (serv->uplink == self) && (serv != self->uplink))
1976 irc_squit(serv, message, NULL);
1978 /* must recursively remove servers linked to this one first */
1979 for (i=serv->children.used;i>0;)
1980 if (serv->children.list[--i] != self)
1981 DelServer(serv->children.list[i], false, NULL);
1983 /* clean up server's user hash tables */
1984 for (i=0;i<=serv->num_mask;i++)
1986 DelUser(serv->users[i], NULL, false, "server delinked");
1990 serverList_remove(&serv->uplink->children, serv);
1991 if (serv == self->uplink)
1992 self->uplink = NULL;
1993 servers_num[base64toint(serv->numeric, strlen(serv->numeric))] = NULL;
1994 dict_remove(servers, serv->name);
1995 serverList_clean(&serv->children);
2001 AddLocalUser(const char *nick, const char *ident, const char *hostname, const char *desc, const char *modes)
2003 char numeric[COMBO_NUMERIC_LEN+1];
2004 int local_num = get_local_numeric();
2005 unsigned long timestamp = now;
2006 struct userNode *old_user = GetUserH(nick);
2011 if (IsLocal(old_user))
2013 timestamp = old_user->timestamp - 1;
2015 if (local_num == -1) {
2016 log_module(MAIN_LOG, LOG_ERROR, "Unable to allocate numnick for service %s", nick);
2020 hostname = self->name;
2021 make_numeric(self, local_num, numeric);
2022 return AddUser(self, nick, ident, hostname, modes, numeric, desc, now, "AAAAAA");
2026 AddClone(const char *nick, const char *ident, const char *hostname, const char *desc)
2028 char numeric[COMBO_NUMERIC_LEN+1];
2029 int local_num = get_local_numeric();
2030 unsigned long timestamp = now;
2031 struct userNode *old_user = GetUserH(nick);
2034 if (IsLocal(old_user))
2036 timestamp = old_user->timestamp - 1;
2038 if (local_num == -1) {
2039 log_module(MAIN_LOG, LOG_ERROR, "Unable to allocate numnick for clone %s", nick);
2042 make_numeric(self, local_num, numeric);
2043 return AddUser(self, nick, ident, hostname, "+i", numeric, desc, timestamp, "AAAAAA");
2047 is_valid_nick(const char *nick) {
2049 /* IRC has some of The Most Fucked-Up ideas about character sets
2051 if (!isalpha(*nick) && !strchr("{|}~[\\]^_`", *nick))
2053 for (ii = 0; nick[ii]; ++ii)
2054 if (!isalnum(nick[ii]) && !strchr("{|}~[\\]^-_`", nick[ii]))
2056 if (strlen(nick) > nicklen)
2061 static struct userNode*
2062 AddUser(struct server* uplink, const char *nick, const char *ident, const char *hostname, const char *modes, const char *numeric, const char *userinfo, unsigned long timestamp, const char *realip)
2064 struct userNode *oldUser, *uNode;
2065 unsigned int n, ignore_user, dummy;
2067 if ((strlen(numeric) < 3) || (strlen(numeric) > 5)) {
2068 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): numeric %s wrong length!", (void*)uplink, nick, numeric);
2073 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server for numeric %s doesn't exist!", (void*)uplink, nick, numeric);
2077 if (uplink != GetServerN(numeric)) {
2078 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server for numeric %s differs from nominal uplink %s.", (void*)uplink, nick, numeric, uplink->name);
2082 dummy = modes && modes[0] == '*';
2085 } else if (!is_valid_nick(nick)) {
2086 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): invalid nickname detected.", (void*)uplink, nick);
2091 if ((oldUser = GetUserH(nick))) {
2092 if (IsLocal(oldUser)
2093 && (IsService(oldUser) || IsPersistent(oldUser))) {
2094 /* The service should collide the new user off - but not
2095 * if the new user is coming in during a burst. (During a
2096 * burst, the bursting server will kill either our user --
2097 * triggering a ReintroduceUser() -- or its own.)
2099 oldUser->timestamp = timestamp - 1;
2103 } else if (oldUser->timestamp > timestamp) {
2104 /* "Old" user is really newer; remove them. */
2105 DelUser(oldUser, 0, 1, "Overruled by older nick");
2107 /* User being added is too new; do not add them to
2108 * clients, but do add them to the server's list, since it
2109 * will send a KILL and QUIT soon. */
2114 /* create new usernode and set all values */
2115 uNode = calloc(1, sizeof(*uNode));
2116 uNode->nick = strdup(nick);
2117 safestrncpy(uNode->ident, ident, sizeof(uNode->ident));
2118 safestrncpy(uNode->info, userinfo, sizeof(uNode->info));
2119 safestrncpy(uNode->hostname, hostname, sizeof(uNode->hostname));
2120 safestrncpy(uNode->numeric, numeric, sizeof(uNode->numeric));
2121 irc_p10_pton(&uNode->ip, realip);
2122 uNode->timestamp = timestamp;
2123 uNode->idle_since = timestamp;
2124 modeList_init(&uNode->channels);
2125 uNode->uplink = uplink;
2126 if (++uNode->uplink->clients > uNode->uplink->max_clients) {
2127 uNode->uplink->max_clients = uNode->uplink->clients;
2129 uNode->num_local = base64toint(numeric+strlen(uNode->uplink->numeric), 3) & uNode->uplink->num_mask;
2130 uNode->uplink->users[uNode->num_local] = uNode;
2131 mod_usermode(uNode, modes);
2133 uNode->modes |= FLAGS_DUMMY;
2137 dict_insert(clients, uNode->nick, uNode);
2138 if (dict_size(clients) > max_clients) {
2139 max_clients = dict_size(clients);
2140 max_clients_time = now;
2144 for (n=0; n<nuf_used; n++)
2145 if (nuf_list[n](uNode))
2150 /* removes user from it's server's hash table and nick hash table */
2152 DelUser(struct userNode* user, struct userNode *killer, int announce, const char *why)
2158 /* mark them as dead, in case anybody cares */
2161 /* remove user from all channels */
2162 while (user->channels.used > 0)
2163 DelChannelUser(user, user->channels.list[user->channels.used-1]->channel, NULL, false);
2165 /* Call these in reverse order so ChanServ can update presence
2166 information before NickServ nukes the handle_info. */
2167 for (n = duf_used; n > 0; )
2168 duf_list[--n](user, killer, why);
2170 user->uplink->clients--;
2171 user->uplink->users[user->num_local] = NULL;
2173 userList_remove(&curr_opers, user);
2174 /* remove from global dictionary, but not if after a collide */
2175 if (user == dict_find(clients, user->nick, NULL))
2176 dict_remove(clients, user->nick);
2178 if (IsInvisible(user))
2183 irc_quit(user, why);
2185 irc_kill(killer, user, why);
2188 if (IsLocal(user)) {
2189 unsigned int num = user->num_local;
2190 if (num < num_privmsg_funcs)
2191 privmsg_funcs[num] = NULL;
2192 if (num < num_notice_funcs)
2193 notice_funcs[num] = NULL;
2196 modeList_clean(&user->channels);
2197 /* We don't free them, in case we try to privmsg them or something
2198 * (like when a stupid oper kills themself). We just put them onto
2199 * a list of clients that get freed after processing each line.
2201 if (dead_users.size)
2202 userList_append(&dead_users, user);
2207 static void call_oper_funcs(struct userNode *user);
2209 void mod_usermode(struct userNode *user, const char *mode_change) {
2211 const char *word = mode_change;
2213 if (!user || !mode_change)
2215 while (*word != ' ' && *word) word++;
2216 while (*word == ' ') word++;
2218 #define do_user_mode(FLAG) do { if (add) user->modes |= FLAG; else user->modes &= ~FLAG; } while (0)
2219 switch (*mode_change++) {
2220 case 0: case ' ': return;
2221 case '+': add = 1; break;
2222 case '-': add = 0; break;
2224 do_user_mode(FLAGS_OPER);
2226 userList_remove(&curr_opers, user);
2227 } else if (!userList_contains(&curr_opers, user)) {
2228 userList_append(&curr_opers, user);
2229 call_oper_funcs(user);
2232 case 'i': do_user_mode(FLAGS_INVISIBLE);
2238 case 'w': do_user_mode(FLAGS_WALLOP); break;
2239 case 'd': do_user_mode(FLAGS_DEAF); break;
2240 case 'k': do_user_mode(FLAGS_SERVICE); break;
2241 case 'g': do_user_mode(FLAGS_GLOBAL); break;
2242 case 'n': do_user_mode(FLAGS_NOCHAN); break;
2243 case 'I': do_user_mode(FLAGS_NOIDLE); break;
2244 case 'x': do_user_mode(FLAGS_HIDDEN_HOST); break;
2250 unsigned long ts = 0;
2251 unsigned long id = 0;
2253 for (ii=0; (*word != ' ') && (*word != '\0') && (*word != ':'); )
2254 tag[ii++] = *word++;
2256 ts = strtoul(word + 1, &sep, 10);
2258 id = strtoul(word + 1, &sep, 10);
2259 } else if (*sep != ' ' && *sep != '\0') {
2264 while (*word == ' ')
2266 call_account_func(user, tag, ts, id);
2273 for (ii=0; (*word != ' ') && (*word != '\0'); )
2274 host[ii++] = *word++;
2276 while (*word == ' ')
2278 assign_fakehost(user, host, 0);
2286 struct mod_chanmode *
2287 mod_chanmode_parse(struct chanNode *channel, char **modes, unsigned int argc, unsigned int flags, short base_oplevel)
2289 struct mod_chanmode *change;
2290 unsigned int ii, in_arg, ch_arg, add;
2294 if (!(change = mod_chanmode_alloc(argc - 1)))
2297 for (ii = ch_arg = 0, in_arg = add = 1;
2298 (modes[0][ii] != '\0') && (modes[0][ii] != ' ');
2300 switch (modes[0][ii]) {
2307 #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)
2308 case 'C': do_chan_mode(MODE_NOCTCPS); break;
2309 case 'D': do_chan_mode(MODE_DELAYJOINS); break;
2310 case 'c': do_chan_mode(MODE_NOCOLORS); break;
2311 case 'i': do_chan_mode(MODE_INVITEONLY); break;
2312 case 'm': do_chan_mode(MODE_MODERATED); break;
2313 case 'n': do_chan_mode(MODE_NOPRIVMSGS); break;
2314 case 'p': do_chan_mode(MODE_PRIVATE); break;
2315 case 'r': do_chan_mode(MODE_REGONLY); break;
2316 case 's': do_chan_mode(MODE_SECRET); break;
2317 case 't': do_chan_mode(MODE_TOPICLIMIT); break;
2319 if (!(flags & MCP_REGISTERED)) {
2320 do_chan_mode(MODE_REGISTERED);
2322 mod_chanmode_free(change);
2331 change->modes_set |= MODE_LIMIT;
2332 change->new_limit = atoi(modes[in_arg++]);
2334 change->modes_set &= ~MODE_LIMIT;
2335 change->modes_clear |= MODE_LIMIT;
2342 change->modes_set |= MODE_KEY;
2343 safestrncpy(change->new_key, modes[in_arg++], sizeof(change->new_key));
2345 change->modes_clear |= MODE_KEY;
2346 if (!(flags & MCP_KEY_FREE)) {
2358 change->modes_set |= MODE_UPASS;
2359 safestrncpy(change->new_upass, modes[in_arg++], sizeof(change->new_upass));
2361 change->modes_clear |= MODE_UPASS;
2362 if (!(flags & MCP_UPASS_FREE)) {
2373 change->modes_set |= MODE_APASS;
2374 safestrncpy(change->new_apass, modes[in_arg++], sizeof(change->new_apass));
2376 change->modes_clear |= MODE_APASS;
2377 if (!(flags & MCP_APASS_FREE)) {
2385 if (!(flags & MCP_ALLOW_OVB))
2389 change->args[ch_arg].mode = MODE_BAN;
2391 change->args[ch_arg].mode |= MODE_REMOVE;
2392 change->args[ch_arg++].u.hostmask = modes[in_arg++];
2396 struct userNode *victim;
2402 oplevel_str = strchr(modes[in_arg], ':');
2405 /* XXYYY M #channel +o XXYYY:<oplevel> */
2406 *oplevel_str++ = '\0';
2407 oplevel = parse_oplevel(oplevel_str);
2408 if (oplevel <= base_oplevel && !(flags & MCP_FROM_SERVER))
2409 oplevel = base_oplevel + 1;
2411 else if (channel->modes & MODE_UPASS)
2412 oplevel = base_oplevel + 1;
2416 /* Check that oplevel is within bounds. */
2417 if (oplevel > MAXOPLEVEL)
2418 oplevel = MAXOPLEVEL;
2420 if (!(flags & MCP_ALLOW_OVB))
2424 change->args[ch_arg].mode = (modes[0][ii] == 'o') ? MODE_CHANOP : MODE_VOICE;
2426 change->args[ch_arg].mode |= MODE_REMOVE;
2427 if (flags & MCP_FROM_SERVER)
2428 victim = GetUserN(modes[in_arg++]);
2430 victim = GetUserH(modes[in_arg++]);
2433 if ((change->args[ch_arg].u.member = GetUserMode(channel, victim)))
2435 /* Apply the oplevel change */
2436 change->args[ch_arg].u.member->oplevel = oplevel;
2442 if (!(flags & MCP_FROM_SERVER))
2447 change->argc = ch_arg; /* in case any turned out to be ignored */
2448 if (change->modes_set & MODE_SECRET) {
2449 change->modes_set &= ~(MODE_PRIVATE);
2450 change->modes_clear |= MODE_PRIVATE;
2451 } else if (change->modes_set & MODE_PRIVATE) {
2452 change->modes_set &= ~(MODE_SECRET);
2453 change->modes_clear |= MODE_SECRET;
2457 mod_chanmode_free(change);
2461 struct chanmode_buffer {
2464 struct chanNode *channel;
2465 struct userNode *actor;
2466 unsigned int modes_used;
2467 unsigned int args_used;
2469 unsigned int is_add : 1;
2470 unsigned int is_chanop : 1;
2474 mod_chanmode_append(struct chanmode_buffer *buf, char ch, const char *arg)
2476 size_t arg_len = strlen(arg);
2477 if (buf->modes_used > (MAXMODEPARAMS) ||
2478 buf->modes_used + buf->args_used + buf->chname_len + arg_len > 450) {
2479 memcpy(buf->modes + buf->modes_used, buf->args, buf->args_used);
2480 buf->modes[buf->modes_used + buf->args_used] = '\0';
2481 irc_mode((buf->is_chanop ? buf->actor : NULL), buf->channel, buf->modes);
2482 buf->modes[0] = buf->is_add ? '+' : '-';
2483 buf->modes_used = 1;
2486 buf->modes[buf->modes_used++] = ch;
2487 buf->args[buf->args_used++] = ' ';
2488 memcpy(buf->args + buf->args_used, arg, arg_len);
2489 buf->args_used += arg_len;
2493 mod_chanmode_announce(struct userNode *who, struct chanNode *channel, struct mod_chanmode *change)
2495 struct chanmode_buffer chbuf;
2497 struct modeNode *mn;
2498 char int_buff[32], mode = '\0';
2500 assert(change->argc <= change->alloc_argc);
2501 memset(&chbuf, 0, sizeof(chbuf));
2502 chbuf.channel = channel;
2504 chbuf.chname_len = strlen(channel->name);
2506 mn = GetUserMode(channel, who);
2507 if ((mn && (mn->modes & MODE_CHANOP)) || off_channel)
2508 chbuf.is_chanop = 1;
2510 /* First remove modes */
2512 if (change->modes_clear) {
2514 chbuf.modes[chbuf.modes_used++] = mode = '-';
2515 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR
2516 DO_MODE_CHAR(PRIVATE, 'p');
2517 DO_MODE_CHAR(SECRET, 's');
2518 DO_MODE_CHAR(MODERATED, 'm');
2519 DO_MODE_CHAR(TOPICLIMIT, 't');
2520 DO_MODE_CHAR(INVITEONLY, 'i');
2521 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2522 DO_MODE_CHAR(LIMIT, 'l');
2523 DO_MODE_CHAR(DELAYJOINS, 'D');
2524 DO_MODE_CHAR(REGONLY, 'r');
2525 DO_MODE_CHAR(NOCOLORS, 'c');
2526 DO_MODE_CHAR(NOCTCPS, 'C');
2527 DO_MODE_CHAR(REGISTERED, 'z');
2529 if (change->modes_clear & channel->modes & MODE_KEY)
2530 mod_chanmode_append(&chbuf, 'k', channel->key);
2531 if (change->modes_clear & channel->modes & MODE_UPASS)
2532 mod_chanmode_append(&chbuf, 'U', channel->upass);
2533 if (change->modes_clear & channel->modes & MODE_APASS)
2534 mod_chanmode_append(&chbuf, 'A', channel->apass);
2536 for (arg = 0; arg < change->argc; ++arg) {
2537 if (!(change->args[arg].mode & MODE_REMOVE))
2540 chbuf.modes[chbuf.modes_used++] = mode = '-';
2541 switch (change->args[arg].mode & ~MODE_REMOVE) {
2543 mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask);
2546 if (change->args[arg].mode & MODE_CHANOP)
2547 mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->numeric);
2548 if (change->args[arg].mode & MODE_VOICE)
2549 mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->numeric);
2556 if (change->modes_set) {
2558 chbuf.modes[chbuf.modes_used++] = mode = '+';
2559 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR
2560 DO_MODE_CHAR(PRIVATE, 'p');
2561 DO_MODE_CHAR(SECRET, 's');
2562 DO_MODE_CHAR(MODERATED, 'm');
2563 DO_MODE_CHAR(TOPICLIMIT, 't');
2564 DO_MODE_CHAR(INVITEONLY, 'i');
2565 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2566 DO_MODE_CHAR(DELAYJOINS, 'D');
2567 DO_MODE_CHAR(REGONLY, 'r');
2568 DO_MODE_CHAR(NOCOLORS, 'c');
2569 DO_MODE_CHAR(NOCTCPS, 'C');
2570 DO_MODE_CHAR(REGISTERED, 'z');
2572 if(change->modes_set & MODE_KEY)
2573 mod_chanmode_append(&chbuf, 'k', change->new_key);
2574 if (change->modes_set & MODE_UPASS)
2575 mod_chanmode_append(&chbuf, 'U', change->new_upass);
2576 if (change->modes_set & MODE_APASS)
2577 mod_chanmode_append(&chbuf, 'A', change->new_apass);
2578 if(change->modes_set & MODE_LIMIT) {
2579 sprintf(int_buff, "%d", change->new_limit);
2580 mod_chanmode_append(&chbuf, 'l', int_buff);
2583 for (arg = 0; arg < change->argc; ++arg) {
2584 if (change->args[arg].mode & MODE_REMOVE)
2587 chbuf.modes[chbuf.modes_used++] = mode = '+';
2588 switch (change->args[arg].mode) {
2590 mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask);
2593 if (change->args[arg].mode & MODE_CHANOP)
2594 mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->numeric);
2595 if (change->args[arg].mode & MODE_VOICE)
2596 mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->numeric);
2601 /* Flush the buffer and apply changes locally */
2602 if (chbuf.modes_used > 0) {
2603 memcpy(chbuf.modes + chbuf.modes_used, chbuf.args, chbuf.args_used);
2604 chbuf.modes[chbuf.modes_used + chbuf.args_used] = '\0';
2605 irc_mode((chbuf.is_chanop ? chbuf.actor : NULL), chbuf.channel, chbuf.modes);
2607 mod_chanmode_apply(who, channel, change);
2611 mod_chanmode_format(struct mod_chanmode *change, char *outbuff)
2613 unsigned int used = 0;
2614 assert(change->argc <= change->alloc_argc);
2615 if (change->modes_clear) {
2616 outbuff[used++] = '-';
2617 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) outbuff[used++] = CHAR
2618 DO_MODE_CHAR(PRIVATE, 'p');
2619 DO_MODE_CHAR(SECRET, 's');
2620 DO_MODE_CHAR(MODERATED, 'm');
2621 DO_MODE_CHAR(TOPICLIMIT, 't');
2622 DO_MODE_CHAR(INVITEONLY, 'i');
2623 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2624 DO_MODE_CHAR(LIMIT, 'l');
2625 DO_MODE_CHAR(KEY, 'k');
2626 DO_MODE_CHAR(UPASS, 'U');
2627 DO_MODE_CHAR(APASS, 'A');
2628 DO_MODE_CHAR(DELAYJOINS, 'D');
2629 DO_MODE_CHAR(REGONLY, 'r');
2630 DO_MODE_CHAR(NOCOLORS, 'c');
2631 DO_MODE_CHAR(NOCTCPS, 'C');
2632 DO_MODE_CHAR(REGISTERED, 'z');
2635 if (change->modes_set) {
2636 outbuff[used++] = '+';
2637 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) outbuff[used++] = CHAR
2638 DO_MODE_CHAR(PRIVATE, 'p');
2639 DO_MODE_CHAR(SECRET, 's');
2640 DO_MODE_CHAR(MODERATED, 'm');
2641 DO_MODE_CHAR(TOPICLIMIT, 't');
2642 DO_MODE_CHAR(INVITEONLY, 'i');
2643 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2644 DO_MODE_CHAR(DELAYJOINS, 'D');
2645 DO_MODE_CHAR(REGONLY, 'r');
2646 DO_MODE_CHAR(NOCOLORS, 'c');
2647 DO_MODE_CHAR(NOCTCPS, 'C');
2648 DO_MODE_CHAR(REGISTERED, 'z');
2650 switch (change->modes_set & (MODE_KEY|MODE_LIMIT|MODE_APASS|MODE_UPASS)) {
2651 /* Doing this implementation has been a pain in the arse, I hope I didn't forget a possible combination */
2652 case MODE_KEY|MODE_LIMIT|MODE_APASS|MODE_UPASS:
2653 used += sprintf(outbuff+used, "lkAU %d %s %s %s", change->new_limit, change->new_key, change->new_apass, change->new_upass);
2656 case MODE_KEY|MODE_LIMIT|MODE_APASS:
2657 used += sprintf(outbuff+used, "lkA %d %s %s", change->new_limit, change->new_key, change->new_apass);
2659 case MODE_KEY|MODE_LIMIT|MODE_UPASS:
2660 used += sprintf(outbuff+used, "lkU %d %s %s", change->new_limit, change->new_key, change->new_upass);
2662 case MODE_KEY|MODE_APASS|MODE_UPASS:
2663 used += sprintf(outbuff+used, "kAU %s %s %s", change->new_key, change->new_apass, change->new_upass);
2666 case MODE_KEY|MODE_APASS:
2667 used += sprintf(outbuff+used, "kA %s %s", change->new_key, change->new_apass);
2669 case MODE_KEY|MODE_UPASS:
2670 used += sprintf(outbuff+used, "kU %s %s", change->new_key, change->new_upass);
2672 case MODE_KEY|MODE_LIMIT:
2673 used += sprintf(outbuff+used, "lk %d %s", change->new_limit, change->new_key);
2675 case MODE_LIMIT|MODE_UPASS:
2676 used += sprintf(outbuff+used, "lU %d %s", change->new_limit, change->new_upass);
2678 case MODE_LIMIT|MODE_APASS:
2679 used += sprintf(outbuff+used, "lA %d %s", change->new_limit, change->new_apass);
2681 case MODE_APASS|MODE_UPASS:
2682 used += sprintf(outbuff+used, "AU %s %s", change->new_apass, change->new_upass);
2685 case MODE_LIMIT|MODE_APASS|MODE_UPASS:
2686 used += sprintf(outbuff+used, "lAU %d %s %s", change->new_limit, change->new_apass, change->new_upass);
2690 used += sprintf(outbuff+used, "A %s", change->new_apass);
2693 used += sprintf(outbuff+used, "U %s", change->new_upass);
2696 used += sprintf(outbuff+used, "k %s", change->new_key);
2699 used += sprintf(outbuff+used, "l %d", change->new_limit);
2708 clear_chanmode(struct chanNode *channel, const char *modes)
2710 unsigned int remove;
2712 for (remove = 0; *modes; modes++) {
2714 case 'o': remove |= MODE_CHANOP; break;
2715 case 'v': remove |= MODE_VOICE; break;
2716 case 'p': remove |= MODE_PRIVATE; break;
2717 case 's': remove |= MODE_SECRET; break;
2718 case 'm': remove |= MODE_MODERATED; break;
2719 case 't': remove |= MODE_TOPICLIMIT; break;
2720 case 'i': remove |= MODE_INVITEONLY; break;
2721 case 'n': remove |= MODE_NOPRIVMSGS; break;
2724 channel->key[0] = '\0';
2727 remove |= MODE_APASS;
2728 channel->apass[0] = '\0';
2731 remove |= MODE_UPASS;
2732 channel->upass[0] = '\0';
2735 remove |= MODE_LIMIT;
2738 case 'b': remove |= MODE_BAN; break;
2739 case 'D': remove |= MODE_DELAYJOINS; break;
2740 case 'r': remove |= MODE_REGONLY; break;
2741 case 'c': remove |= MODE_NOCOLORS; break;
2742 case 'C': remove |= MODE_NOCTCPS; break;
2743 case 'z': remove |= MODE_REGISTERED; break;
2750 /* Remove simple modes. */
2751 channel->modes &= ~remove;
2753 /* If removing bans, kill 'em all. */
2754 if ((remove & MODE_BAN) && channel->banlist.used) {
2756 for (i=0; i<channel->banlist.used; i++)
2757 free(channel->banlist.list[i]);
2758 channel->banlist.used = 0;
2761 /* Remove member modes. */
2762 if ((remove & (MODE_CHANOP | MODE_VOICE)) && channel->members.used) {
2763 int mask = ~(remove & (MODE_CHANOP | MODE_VOICE));
2766 for (i = 0; i < channel->members.used; i++)
2767 channel->members.list[i]->modes &= mask;
2774 reg_privmsg_func(struct userNode *user, privmsg_func_t handler)
2776 unsigned int numeric = user->num_local;
2777 if (numeric >= num_privmsg_funcs) {
2778 int newnum = numeric + 8, ii;
2779 privmsg_funcs = realloc(privmsg_funcs, newnum*sizeof(privmsg_func_t));
2780 for (ii = num_privmsg_funcs; ii < newnum; ++ii)
2781 privmsg_funcs[ii] = NULL;
2782 num_privmsg_funcs = newnum;
2784 if (privmsg_funcs[numeric])
2785 log_module(MAIN_LOG, LOG_WARNING, "re-registering new privmsg handler for numeric %d", numeric);
2786 privmsg_funcs[numeric] = handler;
2790 unreg_privmsg_func(struct userNode *user)
2792 if (!IsLocal(user) || user->num_local >= num_privmsg_funcs)
2793 return; /* this really only works with users */
2795 privmsg_funcs[user->num_local] = NULL;
2800 reg_notice_func(struct userNode *user, privmsg_func_t handler)
2802 unsigned int numeric = user->num_local;
2803 if (numeric >= num_notice_funcs) {
2804 int newnum = numeric + 8, ii;
2805 notice_funcs = realloc(notice_funcs, newnum*sizeof(privmsg_func_t));
2806 for (ii = num_privmsg_funcs; ii < newnum; ++ii)
2807 privmsg_funcs[ii] = NULL;
2808 num_notice_funcs = newnum;
2810 if (notice_funcs[numeric])
2811 log_module(MAIN_LOG, LOG_WARNING, "re-registering new notice handler for numeric %d", numeric);
2812 notice_funcs[numeric] = handler;
2816 unreg_notice_func(struct userNode *user)
2818 if (!IsLocal(user) || user->num_local >= num_privmsg_funcs)
2819 return; /* this really only works with users */
2821 notice_funcs[user->num_local] = NULL;
2825 reg_oper_func(oper_func_t handler)
2827 if (of_used == of_size) {
2830 of_list = realloc(of_list, of_size*sizeof(oper_func_t));
2833 of_list = malloc(of_size*sizeof(oper_func_t));
2836 of_list[of_used++] = handler;
2840 call_oper_funcs(struct userNode *user)
2845 for (n=0; n<of_used; n++)
2852 unsigned int i, hop, max_hop=1;
2855 /* burst (juped) servers, closest first (except self, which is sent already) */
2856 for (i=0; i<ArrayLength(servers_num); i++)
2857 if (servers_num[i] && servers_num[i]->hops > max_hop)
2858 max_hop = servers_num[i]->hops;
2859 for (hop=1; hop<=max_hop; hop++) {
2860 for (i=0;i<ArrayLength(servers_num);i++) {
2862 && (servers_num[i]->hops == hop)
2863 && (servers_num[i] != self->uplink))
2864 irc_server(servers_num[i]);
2868 /* burst local nicks */
2869 for (i=0; i<=self->num_mask; i++)
2871 irc_user(self->users[i]);
2873 /* build dict of unbursted channel names (just copy existing channels) */
2874 unbursted_channels = dict_new();
2875 for (it = dict_first(channels); it; it = iter_next(it))
2876 dict_insert(unbursted_channels, iter_key(it), iter_data(it));
2883 parse_oplevel(char *str)
2886 while (isdigit(*str))
2887 oplevel = oplevel * 10 + *str++ - '0';