1 /* proto-p10.c - IRC protocol output
2 * Copyright 2000-2008 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 /* These correspond to 1 << X: 012345678901234567 */
296 const char irc_user_mode_chars[] = "o iw dkgn I";
298 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);
300 extern int off_channel;
302 static int parse_oplevel(char *str);
304 /* Numerics can be XYY, XYYY, or XXYYY; with X's identifying the
305 * server and Y's indentifying the client on that server. */
307 GetServerN(const char *numeric)
309 switch (strlen(numeric)) {
311 return servers_num[base64toint(numeric, 2)];
315 return servers_num[base64toint(numeric, 1)];
322 GetUserN(const char *numeric) /* using numeric */
328 switch (strlen(numeric)) {
330 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): numeric too long!", numeric);
332 case 5: slen = 2; ulen = 3; break;
333 case 4: slen = 1; ulen = 3; break;
334 case 3: slen = 1; ulen = 2; break;
335 case 2: case 1: case 0:
336 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): numeric too short!", numeric);
339 if (!(s = servers_num[base64toint(numeric, slen)])) {
340 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): couldn't find server (len=%d)!", numeric, slen);
343 n = base64toint(numeric+slen, ulen) & s->num_mask;
344 if (!(un = s->users[n])) {
345 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s) couldn't find user!", numeric);
351 privmsg_user_helper(struct userNode *un, void *data)
353 struct privmsg_desc *pd = data;
354 unsigned int num = un->num_local;
355 if (!pd->is_notice) {
356 if ((num < num_privmsg_funcs) && privmsg_funcs[num]) {
357 privmsg_funcs[num](pd->user, un, pd->text, pd->is_qualified);
360 if ((num < num_notice_funcs) && notice_funcs[num]) {
361 notice_funcs[num](pd->user, un, pd->text, pd->is_qualified);
367 irc_server(struct server *srv)
369 char extranum[COMBO_NUMERIC_LEN+1];
371 inttobase64(extranum, srv->num_mask, (srv->numeric[1] || (srv->num_mask >= 64*64)) ? 3 : 2);
373 /* The +s, ignored by Run's ircu, means "service" to Undernet's ircu */
374 putsock(P10_SERVER " %s %d %lu %lu J10 %s%s +s6 :%s",
375 srv->name, srv->hops+1, srv->boot, srv->link_time, srv->numeric, extranum, srv->description);
377 putsock("%s " P10_SERVER " %s %d %lu %lu %c10 %s%s +s6 :%s",
378 self->numeric, srv->name, srv->hops+1, srv->boot, srv->link_time, (srv->self_burst ? 'J' : 'P'), srv->numeric, extranum, srv->description);
383 irc_p10_pton(irc_in_addr_t *ip, const char *input)
385 if (strlen(input) == 6) {
387 memset(ip, 0, 6 * sizeof(ip->in6[0]));
388 value = base64toint(input, 6);
390 ip->in6[5] = htons(65535);
391 ip->in6[6] = htons(value >> 16);
392 ip->in6[7] = htons(value & 65535);
394 unsigned int pos = 0;
398 for (left = (25 - strlen(input)) / 3; left; left--)
402 ip->in6[pos++] = ntohs(base64toint(input, 3));
410 irc_p10_ntop(char *output, const irc_in_addr_t *ip)
412 if (!irc_in_addr_is_valid(*ip)) {
413 strcpy(output, "AAAAAA");
414 } else if (irc_in_addr_is_ipv4(*ip)) {
416 in4 = (ntohs(ip->in6[6]) << 16) | ntohs(ip->in6[7]);
417 inttobase64(output, in4, 6);
419 } else if (irc_in_addr_is_ipv6(*ip)) {
420 unsigned int max_start, max_zeros, curr_zeros, zero, ii;
421 /* Can start by printing out the leading non-zero parts. */
422 for (ii = 0; (ip->in6[ii]) && (ii < 8); ++ii) {
423 inttobase64(output, ntohs(ip->in6[ii]), 3);
426 /* Find the longest run of zeros. */
427 for (max_start = zero = ii, max_zeros = curr_zeros = 0; ii < 8; ++ii) {
430 else if (curr_zeros > max_zeros) {
431 max_start = ii - curr_zeros;
432 max_zeros = curr_zeros;
436 if (curr_zeros > max_zeros) {
437 max_start = ii - curr_zeros;
438 max_zeros = curr_zeros;
441 /* Print the rest of the address */
442 for (ii = zero; ii < 8; ) {
443 if ((ii == max_start) && max_zeros) {
447 inttobase64(output, ntohs(ip->in6[ii]), 3);
453 strcpy(output, "???");
458 irc_user(struct userNode *user)
461 if (!user || IsDummy(user))
463 irc_p10_ntop(b64ip, &user->ip);
466 irc_user_modes(user, modes, sizeof(modes));
467 putsock("%s " P10_NICK " %s %d %lu %s %s +%s %s %s :%s",
468 user->uplink->numeric, user->nick, user->uplink->hops+1, (unsigned long)user->timestamp, user->ident, user->hostname, modes, b64ip, user->numeric, user->info);
470 putsock("%s " P10_NICK " %s %d %lu %s %s %s %s :%s",
471 user->uplink->numeric, user->nick, user->uplink->hops+1, (unsigned long)user->timestamp, user->ident, user->hostname, b64ip, user->numeric, user->info);
476 irc_account(struct userNode *user, const char *stamp, unsigned long timestamp, unsigned long serial)
478 putsock("%s " P10_ACCOUNT " %s %s %lu %lu", self->numeric, user->numeric, stamp, timestamp, serial);
482 irc_fakehost(struct userNode *user, const char *host)
484 putsock("%s " P10_FAKEHOST " %s %s", self->numeric, user->numeric, host);
488 irc_regnick(UNUSED_ARG(struct userNode *user))
490 /* no operation here */
494 irc_nick(struct userNode *user, UNUSED_ARG(const char *old_nick))
496 putsock("%s " P10_NICK " %s %lu", user->numeric, user->nick, (unsigned long)now);
500 irc_fetchtopic(struct userNode *from, const char *to)
504 putsock("%s " P10_TOPIC " %s", from->numeric, to);
508 irc_squit(struct server *srv, const char *message, const char *service_message)
510 if (!service_message)
511 service_message = message;
513 /* Are we leaving the network? */
514 if (srv == self && cManager.uplink->state == CONNECTED) {
517 /* Quit all clients linked to me. */
518 for (i = 0; i <= self->num_mask; i++) {
521 irc_quit(self->users[i], service_message);
525 putsock("%s " P10_SQUIT " %s %d :%s", self->numeric, srv->name, 0, message);
528 /* Force a reconnect to the currently selected server. */
529 cManager.uplink->tries = 0;
530 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", message);
536 irc_wallchops(struct userNode *from, const char *to, const char *message)
538 putsock("%s " P10_WALLCHOPS " %s :%s", from->numeric, to, message);
542 deliver_to_dummy(struct userNode *source, struct userNode *dest, const char *message, int type)
546 if (!dest || !IsDummy(dest) || !IsLocal(dest))
548 num = dest->num_local;
551 if ((num < num_notice_funcs) && notice_funcs[num])
552 notice_funcs[num](source, dest, message, 0);
555 if ((num < num_privmsg_funcs) && privmsg_funcs[num])
556 privmsg_funcs[num](source, dest, message, 0);
563 irc_notice(struct userNode *from, const char *to, const char *message)
565 if (to[0] == '#' || to[0] == '$'
566 || !deliver_to_dummy(from, GetUserN(to), message, 0))
567 putsock("%s " P10_NOTICE " %s :%s", from->numeric, to, message);
571 irc_notice_user(struct userNode *from, struct userNode *to, const char *message)
573 if (!deliver_to_dummy(from, to, message, 0))
574 putsock("%s " P10_NOTICE " %s :%s", from->numeric, to->numeric, message);
578 irc_privmsg(struct userNode *from, const char *to, const char *message)
580 if (to[0] == '#' || to[0] == '$'
581 || !deliver_to_dummy(from, GetUserN(to), message, 1))
582 putsock("%s " P10_PRIVMSG " %s :%s", from->numeric, to, message);
588 putsock("%s " P10_EOB, self->numeric);
594 putsock("%s " P10_EOB_ACK, self->numeric);
598 irc_ping(const char *payload)
600 putsock("%s " P10_PING " :%s", self->numeric, payload);
604 irc_pong(const char *who, const char *data)
606 putsock("%s " P10_PONG " %s :%s", self->numeric, who, data);
610 irc_pong_asll(const char *who, const char *orig_ts)
614 struct timeval sys_now;
617 orig.tv_sec = strtoul(orig_ts, &delim, 10);
618 orig.tv_usec = (*delim == '.') ? strtoul(delim + 1, NULL, 10) : 0;
619 gettimeofday(&sys_now, NULL);
620 diff = (sys_now.tv_sec - orig.tv_sec) * 1000 + (sys_now.tv_usec - orig.tv_usec) / 1000;
621 putsock("%s " P10_PONG " %s %s %d %lu.%06lu", self->numeric, who, orig_ts, diff, (unsigned long)sys_now.tv_sec, (unsigned long)sys_now.tv_usec);
625 irc_pass(const char *passwd)
627 putsock(P10_PASS " :%s", passwd);
631 irc_introduce(const char *passwd)
633 void timed_send_ping(void *data);
635 self->self_burst = self->burst = 1;
639 timeq_add(now + ping_freq, timed_send_ping, 0);
643 irc_gline(struct server *srv, struct gline *gline)
646 putsock("%s " P10_GLINE " %s +%s %lu %lu :%s",
647 self->numeric, (srv ? srv->numeric : "*"), gline->target, (unsigned long)(gline->expires-now), (unsigned long)gline->lastmod, gline->reason);
649 putsock("%s " P10_GLINE " %s +%s %lu :%s",
650 self->numeric, (srv ? srv->numeric : "*"), gline->target, (unsigned long)(gline->expires-now), gline->reason);
654 irc_settime(const char *srv_name_mask, unsigned long new_time)
656 ioset_set_time(new_time);
657 if (!strcmp(srv_name_mask, "*"))
659 putsock("%s " P10_SETTIME " %lu %s", self->numeric, new_time, srv_name_mask);
663 irc_ungline(const char *mask)
665 putsock("%s " P10_GLINE " * -%s", self->numeric, mask);
669 irc_burst(struct chanNode *chan)
671 char burst_line[512];
672 int pos, base_len, len;
676 unsigned int first_ban;
679 base_len = sprintf(burst_line, "%s " P10_BURST " %s %lu ",
680 self->numeric, chan->name,
681 (unsigned long)chan->timestamp);
682 len = irc_make_chanmode(chan, burst_line+base_len);
683 pos = base_len + len;
684 if (len > 0 && chan->members.used > 0)
685 burst_line[pos++] = ' ';
688 for (n=0; n<chan->members.used; n++) {
689 mn = chan->members.list[n];
691 burst_line[pos-1] = 0; /* -1 to back up over the space or comma */
692 putsock("%s", burst_line);
696 memcpy(burst_line+pos, mn->user->numeric, strlen(mn->user->numeric));
697 pos += strlen(mn->user->numeric);
698 if (mn->modes && (mn->modes != last_mode)) {
699 last_mode = mn->modes;
700 burst_line[pos++] = ':';
701 if (last_mode & MODE_CHANOP)
702 burst_line[pos++] = 'o';
703 if (last_mode & MODE_VOICE)
704 burst_line[pos++] = 'v';
706 if ((n+1)<chan->members.used)
707 burst_line[pos++] = ',';
711 if (chan->banlist.used) {
714 if (chan->members.used > 0)
715 burst_line[pos++] = ' ';
717 for (n=0; n<chan->banlist.used; ) {
718 if (first_ban && (pos < 500)) {
719 burst_line[pos++] = ':';
720 burst_line[pos++] = '%';
722 bn = chan->banlist.list[n];
723 len = strlen(bn->ban);
724 if (pos + 2 + len < 505) {
725 memcpy(burst_line + pos, bn->ban, len);
727 burst_line[pos++] = ' ';
731 burst_line[pos-1] = 0;
732 putsock("%s", burst_line);
739 /* print the last line */
741 putsock("%s", burst_line);
745 irc_quit(struct userNode *user, const char *message)
747 putsock("%s " P10_QUIT " :%s", user->numeric, message);
751 irc_error(const char *to, const char *message)
754 putsock("%s " P10_ERROR " :%s", to, message);
756 putsock(":%s " P10_ERROR " :%s", self->name, message);
761 irc_kill(struct userNode *from, struct userNode *target, const char *message)
764 putsock("%s " P10_KILL " %s :%s!%s (%s)",
765 from->numeric, target->numeric, self->name, from->nick, message);
767 putsock("%s " P10_KILL " %s :%s (%s)",
768 self->numeric, target->numeric, self->name, message);
773 irc_mode(struct userNode *from, struct chanNode *target, const char *modes)
775 putsock("%s " P10_MODE " %s %s %lu",
776 (from ? from->numeric : self->numeric),
777 target->name, modes, (unsigned long)target->timestamp);
781 irc_invite(struct userNode *from, struct userNode *who, struct chanNode *to)
783 putsock("%s " P10_INVITE " %s %s", from->numeric, who->nick, to->name);
787 irc_join(struct userNode *who, struct chanNode *what)
789 if (what->members.used == 1) {
790 putsock("%s " P10_CREATE " %s %lu",
791 who->numeric, what->name, (unsigned long)what->timestamp);
793 putsock("%s " P10_JOIN " %s %lu", who->numeric, what->name,
794 (unsigned long)what->timestamp);
799 irc_kick(struct userNode *who, struct userNode *target, struct chanNode *channel, const char *msg)
802 struct modeNode *mn = GetUserMode(channel, who);
803 numeric = ((mn && (mn->modes & MODE_CHANOP)) || off_channel) ? who->numeric : self->numeric;
804 putsock("%s " P10_KICK " %s %s :%s",
805 numeric, channel->name, target->numeric, msg);
809 irc_stats(struct userNode *from, struct server *target, char type)
811 putsock("%s " P10_STATS " %c :%s", from->numeric, type, target->numeric);
815 irc_svsnick(struct userNode *from, struct userNode *target, const char *newnick)
817 putsock("%s " P10_SVSNICK " %s %s %lu", from->uplink->numeric, target->numeric, newnick, (unsigned long)now);
821 irc_part(struct userNode *who, struct chanNode *what, const char *reason)
824 putsock("%s " P10_PART " %s :%s", who->numeric, what->name, reason);
826 putsock("%s " P10_PART " %s", who->numeric, what->name);
831 irc_topic(struct userNode *who, struct chanNode *what, const char *topic)
833 putsock("%s " P10_TOPIC " %s :%s", who->numeric, what->name, topic);
837 irc_raw(const char *what)
843 irc_numeric(struct userNode *user, unsigned int num, const char *format, ...)
847 va_start(arg_list, format);
848 vsnprintf(buffer, MAXLEN-2, format, arg_list);
849 buffer[MAXLEN-1] = 0;
850 putsock(":%s %03d %s %s", self->name, num, user->nick, buffer);
853 static void send_burst(void);
856 change_nicklen(int new_nicklen)
859 char new_nick[NICKLEN+1];
860 struct userNode *user;
862 nicklen = new_nicklen;
863 /* fix up any users we have here */
864 for (nn=0; nn<=self->num_mask; nn++) {
865 if (!(user = self->users[nn]))
867 safestrncpy(new_nick, user->nick, sizeof(new_nick));
868 new_nick[nicklen] = 0;
869 NickChange(user, new_nick, 1);
873 static CMD_FUNC(cmd_whois)
875 struct userNode *from;
876 struct userNode *who;
878 unsigned int i, mlen, len;
882 if (!(from = GetUserH(origin))) {
883 log_module(MAIN_LOG, LOG_ERROR, "Could not find WHOIS origin user %s", origin);
886 if (!(who = GetUserH(argv[2]))) {
887 irc_numeric(from, ERR_NOSUCHNICK, "%s@%s :No such nick", argv[2], self->name);
891 if (IsFakeHost(who) && IsHiddenHost(who))
892 irc_numeric(from, RPL_WHOISUSER, "%s %s %s * :%s", who->nick, who->ident, who->fakehost, who->info);
893 else if (IsHiddenHost(who) && who->handle_info && hidden_host_suffix)
894 irc_numeric(from, RPL_WHOISUSER, "%s %s %s.%s * :%s", who->nick, who->ident, who->handle_info->handle, hidden_host_suffix, who->info);
896 irc_numeric(from, RPL_WHOISUSER, "%s %s %s * :%s", who->nick, who->ident, who->hostname, who->info);
898 if ((!IsService(who) && !IsNoChan(who)) || (from == who)) {
900 mlen = strlen(self->name) + strlen(from->nick) + 12 + strlen(who->nick);
903 for (i = who->channels.used; i > 0; )
905 mn = who->channels.list[--i];
907 if (!IsOper(from) && (mn->channel->modes & (MODE_PRIVATE | MODE_SECRET)) && !GetUserMode(mn->channel, from))
910 if (len + strlen(mn->channel->name) + mlen > MAXLEN - 5)
912 irc_numeric(from, RPL_WHOISCHANNELS, "%s :%s", who->nick, buf);
918 *(buf + len++) = '-';
919 if ((mn->channel->modes & (MODE_PRIVATE | MODE_SECRET)) && !GetUserMode(mn->channel, from))
920 *(buf + len++) = '*';
921 if (mn->modes & MODE_CHANOP)
922 *(buf + len++) = '@';
923 else if (mn->modes & MODE_VOICE)
924 *(buf + len++) = '+';
928 strcpy(buf + len, mn->channel->name);
929 len += strlen(mn->channel->name);
930 strcat(buf + len, " ");
934 irc_numeric(from, RPL_WHOISCHANNELS, "%s :%s", who->nick, buf);
937 if (his_servername && his_servercomment && !IsOper(from) && from != who)
938 irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, his_servername, his_servercomment);
940 irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, who->uplink->name, who->uplink->description);
943 irc_numeric(from, RPL_AWAY, "%s :Away", who->nick);
945 irc_numeric(from, RPL_WHOISOPERATOR, "%s :%s", who->nick, IsLocal(who) ? "is a megalomaniacal power hungry tyrant" : "is an IRC Operator");
946 if (who->handle_info)
947 irc_numeric(from, RPL_WHOISACCOUNT, "%s %s :is logged in as", who->nick, who->handle_info->handle);
948 if (IsHiddenHost(who) && who->handle_info && (IsOper(from) || from == who))
949 irc_numeric(from, RPL_WHOISACTUALLY, "%s %s@%s %s :Actual user@host, Actual IP", who->nick, who->ident, who->hostname, irc_ntoa(&who->ip));
950 if (IsLocal(who) && !IsService(who) && (!IsNoIdle(who) || IsOper(from) || from == who))
951 irc_numeric(from, RPL_WHOISIDLE, "%s %ld %ld :seconds idle, signon time", who->nick, now - who->idle_since, who->timestamp);
953 irc_numeric(from, RPL_ENDOFWHOIS, "%s :End of /WHOIS list", who->nick);
957 static CMD_FUNC(cmd_server)
965 /* another server introduced us */
966 srv = AddServer(GetServerH(origin), argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), argv[6], argv[argc-1]);
969 srv->self_burst = argv[5][0] == 'J';
972 /* this must be our uplink */
973 srv = self->uplink = AddServer(self, argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), argv[6], argv[argc-1]);
976 srv->self_burst = argv[5][0] == 'J';
978 if ((argv[7][0] == '+') && !force_n2k) {
979 log_module(MAIN_LOG, LOG_WARNING, "Got Undernet-style SERVER message but \"force_n2k\" not on.");
984 /* Fix up our timestamps if necessary. */
985 if (srv->boot <= PREHISTORY) {
986 /* Server from the mists of time.. */
987 if (srv->hops == 1) {
988 log_module(MAIN_LOG, LOG_ERROR, "Server %s claims to have booted at time %lu. This is absurd.", srv->name, (unsigned long)srv->boot);
990 } else if ((str = conf_get_data("server/reliable_clock", RECDB_QSTRING))
991 && enabled_string(str)) {
992 /* If we have a reliable clock, we just keep our current time. */
994 if (srv->boot <= self->boot) {
995 /* The other server is older than us. Accept their timestamp.
996 * Alternately, we are same age, but we accept their time
997 * since we are linking to them. */
998 self->boot = srv->boot;
999 ioset_set_time(srv->link_time);
1002 if (srv == self->uplink) {
1003 extern unsigned long burst_begin;
1009 static CMD_FUNC(cmd_eob)
1011 struct server *sender;
1015 if (!(sender = GetServerH(origin)))
1017 if (sender == self->uplink) {
1018 cManager.uplink->state = CONNECTED;
1019 for (it = dict_first(unbursted_channels); it; it = iter_next(it))
1020 irc_burst(iter_data(it));
1021 dict_delete(unbursted_channels);
1022 unbursted_channels = NULL;
1026 sender->self_burst = 0;
1027 recalc_bursts(sender);
1028 for (ii=0; ii<slf_used; ii++)
1029 slf_list[ii](sender);
1033 static CMD_FUNC(cmd_eob_ack)
1035 extern unsigned long burst_begin;
1037 if (GetServerH(origin) == self->uplink) {
1038 burst_length = now - burst_begin;
1039 self->self_burst = self->burst = 0;
1041 cManager.uplink->state = CONNECTED;
1045 static CMD_FUNC(cmd_ping)
1048 struct userNode *un;
1051 irc_pong_asll(argv[2], argv[3]);
1052 else if ((srv = GetServerH(origin)))
1053 irc_pong(self->name, srv->numeric);
1054 else if ((un = GetUserH(origin)))
1055 irc_pong(self->name, un->numeric);
1057 irc_pong(self->name, origin);
1059 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1060 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1061 timeq_add(now + ping_freq, timed_send_ping, 0);
1066 static CMD_FUNC(cmd_error_nick)
1068 /* Go back to original IRC length .. and try to reconnect :/ */
1070 irc_squit(self, "Got erroneous nickname, truncating nicks.", NULL);
1074 struct create_desc {
1075 struct userNode *user;
1080 join_helper(struct chanNode *chan, void *data)
1082 struct create_desc *cd = data;
1083 AddChannelUser(cd->user, chan);
1087 create_helper(char *name, void *data)
1089 struct create_desc *cd = data;
1091 if (!strcmp(name, "0")) {
1092 while (cd->user->channels.used > 0)
1093 DelChannelUser(cd->user, cd->user->channels.list[0]->channel, 0, 0);
1097 AddChannelUser(cd->user, AddChannel(name, cd->when, NULL, NULL));
1100 static CMD_FUNC(cmd_create)
1102 struct create_desc cd;
1103 struct userNode *user;
1105 if ((argc < 3) || !(user = GetUserH(origin)))
1108 cd.when = atoi(argv[2]);
1109 parse_foreach(argv[1], join_helper, create_helper, NULL, NULL, &cd);
1113 static CMD_FUNC(cmd_join)
1115 struct create_desc cd;
1117 if (!(cd.user = GetUserH(origin)))
1124 cd.when = atoi(argv[2]);
1125 parse_foreach(argv[1], join_helper, create_helper, NULL, NULL, &cd);
1129 static CMD_FUNC(cmd_pong)
1133 if (!strcmp(argv[2], self->name)) {
1134 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1135 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1136 timeq_add(now + ping_freq, timed_send_ping, 0);
1142 static CMD_FUNC(cmd_nick)
1144 struct userNode *user;
1145 if ((user = GetUserH(origin))) {
1146 /* nick change (since the source is a user numeric) */
1149 NickChange(user, argv[1], 1);
1151 struct server *serv;
1156 serv = GetServerH(origin);
1158 unsplit_string(argv+6, argc-9, modes);
1161 AddUser(serv, argv[1], argv[4], argv[5], modes, argv[argc-2], argv[argc-1], atoi(argv[3]), argv[argc-3]);
1166 static CMD_FUNC(cmd_account)
1168 struct userNode *user;
1169 unsigned long timestamp = 0;
1170 unsigned long serial = 0;
1172 if ((argc < 3) || !origin || !GetServerH(origin))
1173 return 0; /* Origin must be server. */
1174 user = GetUserN(argv[1]);
1176 return 1; /* A QUIT probably passed the ACCOUNT. */
1178 timestamp = strtoul(argv[3], NULL, 10);
1180 serial = strtoul(argv[4], NULL, 10);
1181 call_account_func(user, argv[2], timestamp, serial);
1185 static CMD_FUNC(cmd_fakehost)
1187 struct userNode *user;
1189 if ((argc < 3) || !origin || !GetServerH(origin))
1191 if (!(user = GetUserN(argv[1])))
1193 assign_fakehost(user, argv[2], 0);
1197 static CMD_FUNC(cmd_burst)
1200 char modes[MAXLEN], *members = "", *banlist = NULL;
1201 unsigned int next = 3, res = 1;
1202 struct chanNode *cNode;
1203 struct userNode *un;
1204 struct modeNode *mNode;
1207 char *user, *end, sep;
1208 unsigned long in_timestamp;
1213 while (next < argc) {
1214 switch (argv[next][0]) {
1218 for (pos=argv[next], n_modes = 1; *pos; pos++)
1219 if ((*pos == 'k') || (*pos == 'l') || (*pos == 'A')
1222 if (next + n_modes > argc)
1223 n_modes = argc - next;
1224 unsplit_string(argv+next, n_modes, modes);
1228 case '%': banlist = argv[next++]+1; break;
1229 default: members = argv[next++]; break;
1233 in_timestamp = atoi(argv[2]);
1234 if ((cNode = dict_find(unbursted_channels, argv[1], NULL))) {
1235 cNode->timestamp = in_timestamp;
1236 dict_remove(unbursted_channels, cNode->name);
1239 cNode = AddChannel(argv[1], in_timestamp, modes, banlist);
1241 /* Burst channel members in now. */
1242 for (user = members, sep = *members, mode = 0; sep; user = end) {
1243 for (end = user + 3; isalnum(*end) || *end == '[' || *end == ']'; end++) ;
1244 sep = *end++; end[-1] = 0;
1247 while ((sep = *end++)) {
1249 mode |= MODE_CHANOP;
1251 } else if (sep == 'v') {
1254 } else if (isdigit(sep)) {
1255 mode |= MODE_CHANOP;
1257 oplevel += parse_oplevel(end);
1259 oplevel = parse_oplevel(end);
1260 while (isdigit(*end)) end++;
1267 if (!(un = GetUserN(user))) {
1271 if ((mNode = AddChannelUser(un, cNode))) {
1272 mNode->modes = mode;
1273 mNode->oplevel = oplevel;
1280 static CMD_FUNC(cmd_mode)
1282 struct chanNode *cn;
1283 struct userNode *un;
1287 if (!IsChannelName(argv[1])) {
1288 un = GetUserH(argv[1]);
1290 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s whose mode is changing.", argv[1]);
1293 mod_usermode(un, argv[2]);
1297 if (!(cn = GetChannel(argv[1]))) {
1298 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1301 if ((un = GetUserH(origin))) {
1302 struct modeNode *mn;
1303 /* Update idle time for person setting the mode */
1304 if ((mn = GetUserMode(cn, un)))
1305 mn->idle_since = now;
1307 /* If it came from a server, reset timestamp to re-sync. */
1308 cn->timestamp = atoi(argv[argc-1]);
1311 return mod_chanmode(un, cn, argv+2, argc-2, MCP_ALLOW_OVB|MCP_FROM_SERVER|(un ? MC_NOTIFY : 0));
1314 static CMD_FUNC(cmd_opmode)
1316 struct chanNode *cn;
1317 struct userNode *un;
1322 if (!(cn = GetChannel(argv[1]))) {
1323 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1326 if (!(un = GetUserH(origin))) {
1327 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s requesting OPMODE.", origin);
1331 log_module(MAIN_LOG, LOG_ERROR, "Non-privileged user %s using OPMODE.", un->nick);
1335 return mod_chanmode(un, cn, argv+2, argc-2, MCP_ALLOW_OVB|MCP_FROM_SERVER); /* do NOT announce opmode locally */
1338 static int clear_chanmode(struct chanNode *channel, const char *modes);
1340 static CMD_FUNC(cmd_clearmode)
1342 struct chanNode *cn;
1343 struct userNode *un;
1348 if (!(cn = GetChannel(argv[1]))) {
1349 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1352 if (!(un = GetUserH(origin))) {
1353 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s requesting CLEARMODE.", origin);
1357 log_module(MAIN_LOG, LOG_ERROR, "Non-privileged user %s using CLEARMODE.", un->nick);
1361 return clear_chanmode(cn, argv[2]);
1364 static CMD_FUNC(cmd_topic)
1366 struct chanNode *cn;
1367 unsigned long chan_ts, topic_ts;
1371 if (!(cn = GetChannel(argv[1]))) {
1372 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose topic is being set", argv[1]);
1376 /* Looks like an Asuka style topic burst. */
1377 chan_ts = atoi(argv[2]);
1378 topic_ts = atoi(argv[3]);
1380 chan_ts = cn->timestamp;
1383 SetChannelTopic(cn, GetUserH(origin), argv[argc-1], 0);
1384 cn->topic_time = topic_ts;
1388 static CMD_FUNC(cmd_num_topic)
1390 struct chanNode *cn;
1393 return 0; /* huh? */
1395 cn = GetChannel(argv[2]);
1397 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s in topic reply", argv[2]);
1403 switch (atoi(argv[0])) {
1406 break; /* no topic */
1410 safestrncpy(cn->topic, unsplit_string(argv+3, argc-3, NULL), sizeof(cn->topic));
1415 safestrncpy(cn->topic_nick, argv[3], sizeof(cn->topic_nick));
1416 cn->topic_time = atoi(argv[4]);
1419 return 0; /* should never happen */
1424 static CMD_FUNC(cmd_num_gline)
1426 unsigned long lastmod;
1429 lastmod = (argc > 5) ? strtoul(argv[5], NULL, 0) : 0;
1430 gline_add(origin, argv[3], atoi(argv[4])-now, argv[argc - 1], now, lastmod, 0);
1434 static CMD_FUNC(cmd_quit)
1436 struct userNode *user;
1439 /* Sometimes we get a KILL then a QUIT or the like, so we don't want to
1440 * call DelUser unless we have the user in our grasp. */
1441 if ((user = GetUserH(origin)))
1442 DelUser(user, NULL, false, argv[1]);
1446 static CMD_FUNC(cmd_kill)
1448 struct userNode *user;
1451 user = GetUserN(argv[1]);
1453 /* If we get a KILL for a non-existent user, it could be a
1454 * Ghost response to a KILL we sent out earlier. So we only
1455 * whine if the target is local.
1457 if (!strncmp(argv[1], self->numeric, strlen(self->numeric)))
1458 log_module(MAIN_LOG, LOG_ERROR, "Unable to find kill victim %s", argv[1]);
1462 if (IsLocal(user) && IsService(user)) {
1463 /* TODO: rate limit this so silly things don't happen. */
1464 ReintroduceUser(user);
1468 DelUser(user, NULL, false, argv[2]);
1472 static CMD_FUNC(cmd_kick)
1476 ChannelUserKicked(GetUserH(origin), GetUserN(argv[2]), GetChannel(argv[1]));
1480 static CMD_FUNC(cmd_squit)
1482 struct server *server;
1486 if (!(server = GetServerH(argv[1])))
1489 if (server == self->uplink) {
1490 /* Force a reconnect to the currently selected server. */
1491 cManager.uplink->tries = 0;
1492 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", argv[3]);
1497 DelServer(server, 0, argv[3]);
1501 static CMD_FUNC(cmd_privmsg)
1503 struct privmsg_desc pd;
1506 pd.user = GetUserH(origin);
1507 if (!pd.user || (IsGagged(pd.user) && !IsOper(pd.user)))
1510 pd.text = argv[argc - 1];
1511 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
1515 static CMD_FUNC(cmd_notice)
1517 struct privmsg_desc pd;
1520 pd.user = GetUserH(origin);
1521 if (!pd.user || (IsGagged(pd.user) && !IsOper(pd.user)))
1524 pd.text = argv[argc - 1];
1525 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
1529 static CMD_FUNC(cmd_away)
1531 struct userNode *uNode;
1533 uNode = GetUserH(origin);
1537 uNode->modes &= ~FLAGS_AWAY;
1539 uNode->modes |= FLAGS_AWAY;
1543 static CMD_FUNC(cmd_gline)
1545 unsigned long lastmod;
1549 if (argv[2][0] == '+') {
1552 lastmod = (argc > 5) ? strtoul(argv[5], NULL, 0) : 0;
1553 gline_add(origin, argv[2]+1, strtoul(argv[3], NULL, 0), argv[argc-1], now, lastmod, 0);
1555 } else if (argv[2][0] == '-') {
1556 gline_remove(argv[2]+1, 0);
1562 static CMD_FUNC(cmd_svsnick)
1564 struct userNode *target, *dest;
1566 || !(target = GetUserN(argv[1]))
1568 || (dest = GetUserH(argv[2])))
1570 NickChange(target, argv[2], 0);
1575 free_user(struct userNode *user)
1586 free(privmsg_funcs);
1587 num_privmsg_funcs = 0;
1589 num_notice_funcs = 0;
1591 dict_delete(irc_func_dict);
1592 for (nn=0; nn<dead_users.used; nn++)
1593 free_user(dead_users.list[nn]);
1594 userList_clean(&dead_users);
1598 p10_conf_reload(void) {
1599 hidden_host_suffix = conf_get_data("server/hidden_host", RECDB_QSTRING);
1600 his_servername = conf_get_data("server/his_servername", RECDB_QSTRING);
1601 his_servercomment = conf_get_data("server/his_servercomment", RECDB_QSTRING);
1605 remove_unbursted_channel(struct chanNode *cNode) {
1606 if (unbursted_channels)
1607 dict_remove(unbursted_channels, cNode->name);
1613 const char *str, *desc;
1614 int numnick, usermask, max_users;
1615 char numer[COMBO_NUMERIC_LEN+1];
1617 /* read config items */
1618 str = conf_get_data("server/ping_freq", RECDB_QSTRING);
1619 ping_freq = str ? ParseInterval(str) : 120;
1620 str = conf_get_data("server/ping_timeout", RECDB_QSTRING);
1621 ping_timeout = str ? ParseInterval(str) : 30;
1622 str = conf_get_data("server/force_n2k", RECDB_QSTRING);
1623 force_n2k = str ? enabled_string(str) : 1;
1624 str = conf_get_data("server/numeric", RECDB_QSTRING);
1626 log_module(MAIN_LOG, LOG_ERROR, "No server/numeric entry in config file.");
1629 numnick = atoi(str);
1630 str = conf_get_data("server/max_users", RECDB_QSTRING);
1631 max_users = str ? atoi(str) : 4096;
1632 for (usermask = 4; usermask < max_users; usermask <<= 1) ;
1634 if ((numnick < 64) && (usermask < 4096) && !force_n2k)
1635 inttobase64(numer, (numnick << 12) + (usermask & 0x00fff), 3);
1637 inttobase64(numer, (numnick << 18) + (usermask & 0x3ffff), 5);
1639 str = conf_get_data("server/hostname", RECDB_QSTRING);
1640 desc = conf_get_data("server/description", RECDB_QSTRING);
1641 if (!str || !desc) {
1642 log_module(MAIN_LOG, LOG_ERROR, "No server/hostname entry in config file.");
1645 self = AddServer(NULL, str, 0, boot_time, now, numer, desc);
1646 conf_register_reload(p10_conf_reload);
1648 irc_func_dict = dict_new();
1649 dict_insert(irc_func_dict, CMD_BURST, cmd_burst);
1650 dict_insert(irc_func_dict, TOK_BURST, cmd_burst);
1651 dict_insert(irc_func_dict, CMD_CREATE, cmd_create);
1652 dict_insert(irc_func_dict, TOK_CREATE, cmd_create);
1653 dict_insert(irc_func_dict, CMD_EOB, cmd_eob);
1654 dict_insert(irc_func_dict, TOK_EOB, cmd_eob);
1655 dict_insert(irc_func_dict, CMD_EOB_ACK, cmd_eob_ack);
1656 dict_insert(irc_func_dict, TOK_EOB_ACK, cmd_eob_ack);
1657 dict_insert(irc_func_dict, CMD_MODE, cmd_mode);
1658 dict_insert(irc_func_dict, TOK_MODE, cmd_mode);
1659 dict_insert(irc_func_dict, CMD_NICK, cmd_nick);
1660 dict_insert(irc_func_dict, TOK_NICK, cmd_nick);
1661 dict_insert(irc_func_dict, CMD_ACCOUNT, cmd_account);
1662 dict_insert(irc_func_dict, TOK_ACCOUNT, cmd_account);
1663 dict_insert(irc_func_dict, CMD_FAKEHOST, cmd_fakehost);
1664 dict_insert(irc_func_dict, TOK_FAKEHOST, cmd_fakehost);
1665 dict_insert(irc_func_dict, CMD_PASS, cmd_pass);
1666 dict_insert(irc_func_dict, TOK_PASS, cmd_pass);
1667 dict_insert(irc_func_dict, CMD_PING, cmd_ping);
1668 dict_insert(irc_func_dict, TOK_PING, cmd_ping);
1669 dict_insert(irc_func_dict, CMD_PRIVMSG, cmd_privmsg);
1670 dict_insert(irc_func_dict, TOK_PRIVMSG, cmd_privmsg);
1671 dict_insert(irc_func_dict, CMD_PONG, cmd_pong);
1672 dict_insert(irc_func_dict, TOK_PONG, cmd_pong);
1673 dict_insert(irc_func_dict, CMD_QUIT, cmd_quit);
1674 dict_insert(irc_func_dict, TOK_QUIT, cmd_quit);
1675 dict_insert(irc_func_dict, CMD_SERVER, cmd_server);
1676 dict_insert(irc_func_dict, TOK_SERVER, cmd_server);
1677 dict_insert(irc_func_dict, CMD_JOIN, cmd_join);
1678 dict_insert(irc_func_dict, TOK_JOIN, cmd_join);
1679 dict_insert(irc_func_dict, CMD_PART, cmd_part);
1680 dict_insert(irc_func_dict, TOK_PART, cmd_part);
1681 dict_insert(irc_func_dict, CMD_ERROR, cmd_error);
1682 dict_insert(irc_func_dict, TOK_ERROR, cmd_error);
1683 dict_insert(irc_func_dict, CMD_TOPIC, cmd_topic);
1684 dict_insert(irc_func_dict, TOK_TOPIC, cmd_topic);
1685 dict_insert(irc_func_dict, CMD_AWAY, cmd_away);
1686 dict_insert(irc_func_dict, TOK_AWAY, cmd_away);
1687 dict_insert(irc_func_dict, CMD_SILENCE, cmd_dummy);
1688 dict_insert(irc_func_dict, TOK_SILENCE, cmd_dummy);
1689 dict_insert(irc_func_dict, CMD_KICK, cmd_kick);
1690 dict_insert(irc_func_dict, TOK_KICK, cmd_kick);
1691 dict_insert(irc_func_dict, CMD_SQUIT, cmd_squit);
1692 dict_insert(irc_func_dict, TOK_SQUIT, cmd_squit);
1693 dict_insert(irc_func_dict, CMD_KILL, cmd_kill);
1694 dict_insert(irc_func_dict, TOK_KILL, cmd_kill);
1695 dict_insert(irc_func_dict, CMD_NOTICE, cmd_notice);
1696 dict_insert(irc_func_dict, TOK_NOTICE, cmd_notice);
1697 dict_insert(irc_func_dict, CMD_STATS, cmd_stats);
1698 dict_insert(irc_func_dict, TOK_STATS, cmd_stats);
1699 dict_insert(irc_func_dict, CMD_SVSNICK, cmd_svsnick);
1700 dict_insert(irc_func_dict, TOK_SVSNICK, cmd_svsnick);
1701 dict_insert(irc_func_dict, CMD_WHOIS, cmd_whois);
1702 dict_insert(irc_func_dict, TOK_WHOIS, cmd_whois);
1703 dict_insert(irc_func_dict, CMD_GLINE, cmd_gline);
1704 dict_insert(irc_func_dict, TOK_GLINE, cmd_gline);
1705 dict_insert(irc_func_dict, CMD_OPMODE, cmd_opmode);
1706 dict_insert(irc_func_dict, TOK_OPMODE, cmd_opmode);
1707 dict_insert(irc_func_dict, CMD_CLEARMODE, cmd_clearmode);
1708 dict_insert(irc_func_dict, TOK_CLEARMODE, cmd_clearmode);
1709 dict_insert(irc_func_dict, CMD_VERSION, cmd_version);
1710 dict_insert(irc_func_dict, TOK_VERSION, cmd_version);
1711 dict_insert(irc_func_dict, CMD_ADMIN, cmd_admin);
1712 dict_insert(irc_func_dict, TOK_ADMIN, cmd_admin);
1714 /* In P10, DESTRUCT doesn't do anything except be broadcast to servers.
1715 * Apparently to obliterate channels from any servers that think they
1718 dict_insert(irc_func_dict, CMD_DESTRUCT, cmd_dummy);
1719 dict_insert(irc_func_dict, TOK_DESTRUCT, cmd_dummy);
1720 /* Ignore invites */
1721 dict_insert(irc_func_dict, CMD_INVITE, cmd_dummy);
1722 dict_insert(irc_func_dict, TOK_INVITE, cmd_dummy);
1723 /* DESYNCH is just informational, so ignore it */
1724 dict_insert(irc_func_dict, CMD_DESYNCH, cmd_dummy);
1725 dict_insert(irc_func_dict, TOK_DESYNCH, cmd_dummy);
1726 /* Ignore channel operator notices. */
1727 dict_insert(irc_func_dict, CMD_WALLCHOPS, cmd_dummy);
1728 dict_insert(irc_func_dict, TOK_WALLCHOPS, cmd_dummy);
1729 dict_insert(irc_func_dict, CMD_WALLVOICES, cmd_dummy);
1730 dict_insert(irc_func_dict, TOK_WALLVOICES, cmd_dummy);
1731 /* Ignore opers being silly. */
1732 dict_insert(irc_func_dict, CMD_WALLOPS, cmd_dummy);
1733 dict_insert(irc_func_dict, TOK_WALLOPS, cmd_dummy);
1734 /* We have reliable clock! Always! Wraaa! */
1735 dict_insert(irc_func_dict, CMD_SETTIME, cmd_dummy);
1736 dict_insert(irc_func_dict, TOK_SETTIME, cmd_dummy);
1738 dict_insert(irc_func_dict, "331", cmd_num_topic);
1739 dict_insert(irc_func_dict, "332", cmd_num_topic);
1740 dict_insert(irc_func_dict, "333", cmd_num_topic);
1741 dict_insert(irc_func_dict, "345", cmd_dummy); /* blah has been invited to blah */
1742 dict_insert(irc_func_dict, "432", cmd_error_nick); /* Erroneus [sic] nickname */
1743 /* ban list resetting */
1744 /* "stats g" responses */
1745 dict_insert(irc_func_dict, "247", cmd_num_gline);
1746 dict_insert(irc_func_dict, "219", cmd_dummy); /* "End of /STATS report" */
1747 /* other numeric responses we might get */
1748 dict_insert(irc_func_dict, "401", cmd_dummy); /* target left network */
1749 dict_insert(irc_func_dict, "403", cmd_dummy); /* no such channel */
1750 dict_insert(irc_func_dict, "404", cmd_dummy); /* cannot send to channel */
1751 dict_insert(irc_func_dict, "439", cmd_dummy); /* target change too fast */
1752 dict_insert(irc_func_dict, "441", cmd_dummy); /* target isn't on that channel */
1753 dict_insert(irc_func_dict, "442", cmd_dummy); /* you aren't on that channel */
1754 dict_insert(irc_func_dict, "443", cmd_dummy); /* is already on channel (after invite?) */
1755 dict_insert(irc_func_dict, "461", cmd_dummy); /* Not enough parameters (after TOPIC w/ 0 args) */
1756 dict_insert(irc_func_dict, "467", cmd_dummy); /* Channel key already set */
1758 num_privmsg_funcs = 16;
1759 privmsg_funcs = malloc(sizeof(privmsg_func_t)*num_privmsg_funcs);
1760 memset(privmsg_funcs, 0, sizeof(privmsg_func_t)*num_privmsg_funcs);
1762 num_notice_funcs = 16;
1763 notice_funcs = malloc(sizeof(privmsg_func_t)*num_notice_funcs);
1764 memset(notice_funcs, 0, sizeof(privmsg_func_t)*num_notice_funcs);
1766 userList_init(&dead_users);
1767 reg_del_channel_func(remove_unbursted_channel);
1768 reg_exit_func(parse_cleanup);
1772 parse_line(char *line, int recursive)
1774 char *argv[MAXNUMPARAMS], *origin;
1775 int argc, cmd, res=0;
1778 argc = split_line(line, true, MAXNUMPARAMS, argv);
1779 cmd = self->uplink || !argv[0][1] || !argv[0][2];
1782 if (argv[0][0] == ':') {
1784 } else if (!argv[0][1] || !argv[0][2]) {
1785 struct server *sNode = GetServerN(argv[0]);
1786 origin = sNode ? sNode->name : 0;
1788 struct userNode *uNode = GetUserN(argv[0]);
1789 origin = uNode ? uNode->nick : 0;
1793 if ((func = dict_find(irc_func_dict, argv[cmd], NULL)))
1794 res = func(origin, argc-cmd, argv+cmd);
1797 log_module(MAIN_LOG, LOG_ERROR, "PARSE ERROR on line: %s", unsplit_string(argv, argc, NULL));
1798 } else if (!recursive) {
1800 for (i=0; i<dead_users.used; i++)
1801 free_user(dead_users.list[i]);
1802 dead_users.used = 0;
1808 parse_foreach(char *target_list, foreach_chanfunc cf, foreach_nonchan nc, foreach_userfunc uf, foreach_nonuser nu, void *data)
1814 while (*j != 0 && *j != ',')
1819 if (IsChannelName(target_list)
1820 || (target_list[0] == '0' && target_list[1] == '\0')) {
1821 struct chanNode *chan = GetChannel(target_list);
1828 nc(target_list, data);
1831 struct userNode *user;
1832 struct privmsg_desc *pd = data;
1834 pd->is_qualified = 0;
1835 if (*target_list == '@') {
1837 } else if (strchr(target_list, '@')) {
1838 struct server *server;
1840 pd->is_qualified = 1;
1841 user = GetUserH(strtok(target_list, "@"));
1842 server = GetServerH(strtok(NULL, "@"));
1844 if (user && (user->uplink != server)) {
1845 /* Don't attempt to index into any arrays
1846 using a user's numeric on another server. */
1850 user = GetUserN(target_list);
1858 nu(target_list, data);
1862 } while (old == ',');
1866 get_local_numeric(void)
1868 static unsigned int next_numeric = 0;
1869 if (self->clients > self->num_mask)
1871 while (self->users[next_numeric])
1872 if (++next_numeric > self->num_mask)
1874 return next_numeric;
1878 make_numeric(struct server *svr, int local_num, char *outbuf)
1882 if (force_n2k || svr->numeric[1]) {
1887 llen = (local_num < 64*64) ? 2 : 3;
1889 strncpy(outbuf, svr->numeric, slen);
1890 inttobase64(outbuf+slen, local_num, llen);
1891 outbuf[slen+llen] = 0;
1895 AddServer(struct server *uplink, const char *name, int hops, unsigned long boot, unsigned long link_time, const char *numeric, const char *description)
1897 struct server* sNode;
1900 if ((sNode = GetServerN(numeric))) {
1901 /* This means we're trying to re-add an existant server.
1902 * To be safe, we should forget the previous incarnation.
1903 * (And all its linked servers.)
1905 * It usually only happens in replays when the original
1906 * had a ping timeout and the replay didn't (because
1907 * replaying a ping timeout invariably gets things wrong).
1909 DelServer(sNode, 0, NULL);
1912 switch (strlen(numeric)) {
1913 case 5: slen = 2; mlen = 3; break;
1914 case 4: slen = 1; mlen = 3; break;
1915 case 3: slen = 1; mlen = 2; break;
1917 log_module(MAIN_LOG, LOG_ERROR, "AddServer(\"%s\", \"%s\", ...): Numeric %s has invalid length.", uplink->name, name, numeric);
1921 sNode = calloc(1, sizeof(*sNode));
1922 sNode->uplink = uplink;
1923 safestrncpy(sNode->name, name, sizeof(sNode->name));
1924 sNode->num_mask = base64toint(numeric+slen, mlen);
1927 sNode->link_time = link_time;
1928 strncpy(sNode->numeric, numeric, slen);
1929 safestrncpy(sNode->description, description, sizeof(sNode->description));
1930 sNode->users = calloc(sNode->num_mask+1, sizeof(*sNode->users));
1931 serverList_init(&sNode->children);
1932 if (sNode->uplink) {
1933 /* uplink may be NULL if we're just building ourself */
1934 serverList_append(&sNode->uplink->children, sNode);
1936 servers_num[base64toint(numeric, slen)] = sNode;
1937 dict_insert(servers, sNode->name, sNode);
1941 void DelServer(struct server* serv, int announce, const char *message)
1945 /* If we receive an ERROR command before the SERVER
1946 * command a NULL server can be passed */
1950 /* Hrm, what's the right way to SQUIT some other server?
1951 * (This code is only to handle killing juped servers.) */
1952 if (announce && (serv->uplink == self) && (serv != self->uplink))
1953 irc_squit(serv, message, NULL);
1955 /* must recursively remove servers linked to this one first */
1956 for (i=serv->children.used;i>0;)
1957 if (serv->children.list[--i] != self)
1958 DelServer(serv->children.list[i], false, NULL);
1960 /* clean up server's user hash tables */
1961 for (i=0;i<=serv->num_mask;i++)
1963 DelUser(serv->users[i], NULL, false, "server delinked");
1967 serverList_remove(&serv->uplink->children, serv);
1968 if (serv == self->uplink)
1969 self->uplink = NULL;
1970 servers_num[base64toint(serv->numeric, strlen(serv->numeric))] = NULL;
1971 dict_remove(servers, serv->name);
1972 serverList_clean(&serv->children);
1978 AddLocalUser(const char *nick, const char *ident, const char *hostname, const char *desc, const char *modes)
1980 char numeric[COMBO_NUMERIC_LEN+1];
1981 int local_num = get_local_numeric();
1982 unsigned long timestamp = now;
1983 struct userNode *old_user = GetUserH(nick);
1988 if (IsLocal(old_user))
1990 timestamp = old_user->timestamp - 1;
1992 if (local_num == -1) {
1993 log_module(MAIN_LOG, LOG_ERROR, "Unable to allocate numnick for service %s", nick);
1997 hostname = self->name;
1998 make_numeric(self, local_num, numeric);
1999 return AddUser(self, nick, ident, hostname, modes, numeric, desc, now, "AAAAAA");
2003 AddClone(const char *nick, const char *ident, const char *hostname, const char *desc)
2005 char numeric[COMBO_NUMERIC_LEN+1];
2006 int local_num = get_local_numeric();
2007 unsigned long timestamp = now;
2008 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 clone %s", nick);
2019 make_numeric(self, local_num, numeric);
2020 return AddUser(self, nick, ident, hostname, "+i", numeric, desc, timestamp, "AAAAAA");
2024 is_valid_nick(const char *nick) {
2026 /* IRC has some of The Most Fucked-Up ideas about character sets
2028 if (!isalpha(*nick) && !strchr("{|}~[\\]^_`", *nick))
2030 for (ii = 0; nick[ii]; ++ii)
2031 if (!isalnum(nick[ii]) && !strchr("{|}~[\\]^-_`", nick[ii]))
2033 if (strlen(nick) > nicklen)
2038 static struct userNode*
2039 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)
2041 struct userNode *oldUser, *uNode;
2042 unsigned int n, ignore_user, dummy;
2044 if ((strlen(numeric) < 3) || (strlen(numeric) > 5)) {
2045 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): numeric %s wrong length!", (void*)uplink, nick, numeric);
2050 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server for numeric %s doesn't exist!", (void*)uplink, nick, numeric);
2054 if (uplink != GetServerN(numeric)) {
2055 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server for numeric %s differs from nominal uplink %s.", (void*)uplink, nick, numeric, uplink->name);
2059 dummy = modes && modes[0] == '*';
2062 } else if (!is_valid_nick(nick)) {
2063 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): invalid nickname detected.", (void*)uplink, nick);
2068 if ((oldUser = GetUserH(nick))) {
2069 if (IsLocal(oldUser)
2070 && (IsService(oldUser) || IsPersistent(oldUser))) {
2071 /* The service should collide the new user off - but not
2072 * if the new user is coming in during a burst. (During a
2073 * burst, the bursting server will kill either our user --
2074 * triggering a ReintroduceUser() -- or its own.)
2076 oldUser->timestamp = timestamp - 1;
2080 } else if (oldUser->timestamp > timestamp) {
2081 /* "Old" user is really newer; remove them. */
2082 DelUser(oldUser, 0, 1, "Overruled by older nick");
2084 /* User being added is too new; do not add them to
2085 * clients, but do add them to the server's list, since it
2086 * will send a KILL and QUIT soon. */
2091 /* create new usernode and set all values */
2092 uNode = calloc(1, sizeof(*uNode));
2093 uNode->nick = strdup(nick);
2094 safestrncpy(uNode->ident, ident, sizeof(uNode->ident));
2095 safestrncpy(uNode->info, userinfo, sizeof(uNode->info));
2096 safestrncpy(uNode->hostname, hostname, sizeof(uNode->hostname));
2097 safestrncpy(uNode->numeric, numeric, sizeof(uNode->numeric));
2098 irc_p10_pton(&uNode->ip, realip);
2099 uNode->timestamp = timestamp;
2100 uNode->idle_since = timestamp;
2101 modeList_init(&uNode->channels);
2102 uNode->uplink = uplink;
2103 if (++uNode->uplink->clients > uNode->uplink->max_clients) {
2104 uNode->uplink->max_clients = uNode->uplink->clients;
2106 uNode->num_local = base64toint(numeric+strlen(uNode->uplink->numeric), 3) & uNode->uplink->num_mask;
2107 uNode->uplink->users[uNode->num_local] = uNode;
2108 mod_usermode(uNode, modes);
2110 uNode->modes |= FLAGS_DUMMY;
2114 dict_insert(clients, uNode->nick, uNode);
2115 if (dict_size(clients) > max_clients) {
2116 max_clients = dict_size(clients);
2117 max_clients_time = now;
2121 for (n=0; (n<nuf_used) && !uNode->dead; n++)
2126 /* removes user from it's server's hash table and nick hash table */
2128 DelUser(struct userNode* user, struct userNode *killer, int announce, const char *why)
2134 /* mark them as dead, in case anybody cares */
2137 /* remove user from all channels */
2138 while (user->channels.used > 0)
2139 DelChannelUser(user, user->channels.list[user->channels.used-1]->channel, NULL, false);
2141 /* Call these in reverse order so ChanServ can update presence
2142 information before NickServ nukes the handle_info. */
2143 for (n = duf_used; n > 0; )
2144 duf_list[--n](user, killer, why);
2146 user->uplink->clients--;
2147 user->uplink->users[user->num_local] = NULL;
2149 userList_remove(&curr_opers, user);
2150 /* remove from global dictionary, but not if after a collide */
2151 if (user == dict_find(clients, user->nick, NULL))
2152 dict_remove(clients, user->nick);
2154 if (IsInvisible(user))
2159 irc_quit(user, why);
2161 irc_kill(killer, user, why);
2164 if (IsLocal(user)) {
2165 unsigned int num = user->num_local;
2166 if (num < num_privmsg_funcs)
2167 privmsg_funcs[num] = NULL;
2168 if (num < num_notice_funcs)
2169 notice_funcs[num] = NULL;
2172 modeList_clean(&user->channels);
2173 /* We don't free them, in case we try to privmsg them or something
2174 * (like when a stupid oper kills themself). We just put them onto
2175 * a list of clients that get freed after processing each line.
2177 if (dead_users.size)
2178 userList_append(&dead_users, user);
2183 static void call_oper_funcs(struct userNode *user);
2185 void mod_usermode(struct userNode *user, const char *mode_change) {
2187 const char *word = mode_change;
2189 if (!user || !mode_change)
2191 while (*word != ' ' && *word) word++;
2192 while (*word == ' ') word++;
2194 #define do_user_mode(FLAG) do { if (add) user->modes |= FLAG; else user->modes &= ~FLAG; } while (0)
2195 switch (*mode_change++) {
2196 case 0: case ' ': return;
2197 case '+': add = 1; break;
2198 case '-': add = 0; break;
2200 do_user_mode(FLAGS_OPER);
2202 userList_remove(&curr_opers, user);
2203 } else if (!userList_contains(&curr_opers, user)) {
2204 userList_append(&curr_opers, user);
2205 call_oper_funcs(user);
2208 case 'i': do_user_mode(FLAGS_INVISIBLE);
2214 case 'w': do_user_mode(FLAGS_WALLOP); break;
2215 case 'd': do_user_mode(FLAGS_DEAF); break;
2216 case 'k': do_user_mode(FLAGS_SERVICE); break;
2217 case 'g': do_user_mode(FLAGS_GLOBAL); break;
2218 case 'n': do_user_mode(FLAGS_NOCHAN); break;
2219 case 'I': do_user_mode(FLAGS_NOIDLE); break;
2220 case 'x': do_user_mode(FLAGS_HIDDEN_HOST); break;
2226 unsigned long ts = 0;
2227 unsigned long id = 0;
2229 for (ii=0; (*word != ' ') && (*word != '\0') && (*word != ':'); )
2230 tag[ii++] = *word++;
2232 ts = strtoul(word + 1, &sep, 10);
2234 id = strtoul(sep + 1, &sep, 10);
2235 } else if (*sep != ' ' && *sep != '\0') {
2241 while (*word == ' ')
2243 call_account_func(user, tag, ts, id);
2250 for (ii=0; (*word != ' ') && (*word != '\0'); )
2251 host[ii++] = *word++;
2253 while (*word == ' ')
2255 assign_fakehost(user, host, 0);
2264 keyncpy(char output[], char input[], size_t output_size)
2268 if (input[0] == ':')
2274 for (ii = 0; (ii + 1 < output_size) && (input[ii] != '\0'); ++ii)
2276 output[ii] = input[ii];
2283 struct mod_chanmode *
2284 mod_chanmode_parse(struct chanNode *channel, char **modes, unsigned int argc, unsigned int flags, short base_oplevel)
2286 struct mod_chanmode *change;
2287 unsigned int ii, in_arg, ch_arg, add;
2291 if (!(change = mod_chanmode_alloc(argc - 1)))
2294 for (ii = ch_arg = 0, in_arg = add = 1;
2295 (modes[0][ii] != '\0') && (modes[0][ii] != ' ');
2297 switch (modes[0][ii]) {
2304 #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)
2305 case 'C': do_chan_mode(MODE_NOCTCPS); break;
2306 case 'D': do_chan_mode(MODE_DELAYJOINS); break;
2307 case 'c': do_chan_mode(MODE_NOCOLORS); break;
2308 case 'i': do_chan_mode(MODE_INVITEONLY); break;
2309 case 'm': do_chan_mode(MODE_MODERATED); break;
2310 case 'n': do_chan_mode(MODE_NOPRIVMSGS); break;
2311 case 'p': do_chan_mode(MODE_PRIVATE); break;
2312 case 'r': do_chan_mode(MODE_REGONLY); break;
2313 case 's': do_chan_mode(MODE_SECRET); break;
2314 case 't': do_chan_mode(MODE_TOPICLIMIT); break;
2316 if (!(flags & MCP_REGISTERED)) {
2317 do_chan_mode(MODE_REGISTERED);
2319 mod_chanmode_free(change);
2328 change->modes_set |= MODE_LIMIT;
2329 change->new_limit = atoi(modes[in_arg++]);
2331 change->modes_set &= ~MODE_LIMIT;
2332 change->modes_clear |= MODE_LIMIT;
2337 if ((in_arg >= argc)
2338 || keyncpy(change->new_key, modes[in_arg++], sizeof(change->new_key)))
2340 change->modes_set |= MODE_KEY;
2342 change->modes_clear |= MODE_KEY;
2343 if (!(flags & MCP_KEY_FREE)) {
2353 if ((in_arg >= argc)
2354 || keyncpy(change->new_upass, modes[in_arg++], sizeof(change->new_upass)))
2356 change->modes_set |= MODE_UPASS;
2358 change->modes_clear |= MODE_UPASS;
2359 if (!(flags & MCP_UPASS_FREE)) {
2368 if ((in_arg >= argc)
2369 || keyncpy(change->new_apass, modes[in_arg++], sizeof(change->new_apass)))
2371 change->modes_set |= MODE_APASS;
2373 change->modes_clear |= MODE_APASS;
2374 if (!(flags & MCP_APASS_FREE)) {
2382 if (!(flags & MCP_ALLOW_OVB))
2386 change->args[ch_arg].mode = MODE_BAN;
2388 change->args[ch_arg].mode |= MODE_REMOVE;
2389 change->args[ch_arg++].u.hostmask = modes[in_arg++];
2393 struct userNode *victim;
2399 oplevel_str = strchr(modes[in_arg], ':');
2402 /* XXYYY M #channel +o XXYYY:<oplevel> */
2403 *oplevel_str++ = '\0';
2404 oplevel = parse_oplevel(oplevel_str);
2405 if (oplevel <= base_oplevel && !(flags & MCP_FROM_SERVER))
2406 oplevel = base_oplevel + 1;
2408 else if (channel->modes & MODE_UPASS)
2409 oplevel = base_oplevel + 1;
2413 /* Check that oplevel is within bounds. */
2414 if (oplevel > MAXOPLEVEL)
2415 oplevel = MAXOPLEVEL;
2417 if (!(flags & MCP_ALLOW_OVB))
2421 change->args[ch_arg].mode = (modes[0][ii] == 'o') ? MODE_CHANOP : MODE_VOICE;
2423 change->args[ch_arg].mode |= MODE_REMOVE;
2424 if (flags & MCP_FROM_SERVER)
2425 victim = GetUserN(modes[in_arg++]);
2427 victim = GetUserH(modes[in_arg++]);
2430 if ((change->args[ch_arg].u.member = GetUserMode(channel, victim)))
2432 /* Apply the oplevel change */
2433 change->args[ch_arg].u.member->oplevel = oplevel;
2439 if (!(flags & MCP_FROM_SERVER))
2444 change->argc = ch_arg; /* in case any turned out to be ignored */
2445 if (change->modes_set & MODE_SECRET) {
2446 change->modes_set &= ~(MODE_PRIVATE);
2447 change->modes_clear |= MODE_PRIVATE;
2448 } else if (change->modes_set & MODE_PRIVATE) {
2449 change->modes_set &= ~(MODE_SECRET);
2450 change->modes_clear |= MODE_SECRET;
2454 mod_chanmode_free(change);
2458 struct chanmode_buffer {
2461 struct chanNode *channel;
2462 struct userNode *actor;
2463 unsigned int modes_used;
2464 unsigned int args_used;
2466 unsigned int is_add : 1;
2467 unsigned int is_chanop : 1;
2471 mod_chanmode_append(struct chanmode_buffer *buf, char ch, const char *arg)
2473 size_t arg_len = strlen(arg);
2474 if (buf->modes_used > (MAXMODEPARAMS) ||
2475 buf->modes_used + buf->args_used + buf->chname_len + arg_len > 450) {
2476 memcpy(buf->modes + buf->modes_used, buf->args, buf->args_used);
2477 buf->modes[buf->modes_used + buf->args_used] = '\0';
2478 irc_mode((buf->is_chanop ? buf->actor : NULL), buf->channel, buf->modes);
2479 buf->modes[0] = buf->is_add ? '+' : '-';
2480 buf->modes_used = 1;
2483 buf->modes[buf->modes_used++] = ch;
2484 buf->args[buf->args_used++] = ' ';
2485 memcpy(buf->args + buf->args_used, arg, arg_len);
2486 buf->args_used += arg_len;
2490 mod_chanmode_announce(struct userNode *who, struct chanNode *channel, struct mod_chanmode *change)
2492 struct chanmode_buffer chbuf;
2494 struct modeNode *mn;
2495 char int_buff[32], mode = '\0';
2497 assert(change->argc <= change->alloc_argc);
2498 memset(&chbuf, 0, sizeof(chbuf));
2499 chbuf.channel = channel;
2501 chbuf.chname_len = strlen(channel->name);
2503 mn = GetUserMode(channel, who);
2504 if ((mn && (mn->modes & MODE_CHANOP)) || off_channel)
2505 chbuf.is_chanop = 1;
2507 /* First remove modes */
2509 if (change->modes_clear) {
2511 chbuf.modes[chbuf.modes_used++] = mode = '-';
2512 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR
2513 DO_MODE_CHAR(PRIVATE, 'p');
2514 DO_MODE_CHAR(SECRET, 's');
2515 DO_MODE_CHAR(MODERATED, 'm');
2516 DO_MODE_CHAR(TOPICLIMIT, 't');
2517 DO_MODE_CHAR(INVITEONLY, 'i');
2518 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2519 DO_MODE_CHAR(LIMIT, 'l');
2520 DO_MODE_CHAR(DELAYJOINS, 'D');
2521 DO_MODE_CHAR(REGONLY, 'r');
2522 DO_MODE_CHAR(NOCOLORS, 'c');
2523 DO_MODE_CHAR(NOCTCPS, 'C');
2524 DO_MODE_CHAR(REGISTERED, 'z');
2526 if (change->modes_clear & channel->modes & MODE_KEY)
2527 mod_chanmode_append(&chbuf, 'k', channel->key);
2528 if (change->modes_clear & channel->modes & MODE_UPASS)
2529 mod_chanmode_append(&chbuf, 'U', channel->upass);
2530 if (change->modes_clear & channel->modes & MODE_APASS)
2531 mod_chanmode_append(&chbuf, 'A', channel->apass);
2533 for (arg = 0; arg < change->argc; ++arg) {
2534 if (!(change->args[arg].mode & MODE_REMOVE))
2537 chbuf.modes[chbuf.modes_used++] = mode = '-';
2538 switch (change->args[arg].mode & ~MODE_REMOVE) {
2540 mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask);
2543 if (change->args[arg].mode & MODE_CHANOP)
2544 mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->numeric);
2545 if (change->args[arg].mode & MODE_VOICE)
2546 mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->numeric);
2553 if (change->modes_set) {
2555 chbuf.modes[chbuf.modes_used++] = mode = '+';
2556 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR
2557 DO_MODE_CHAR(PRIVATE, 'p');
2558 DO_MODE_CHAR(SECRET, 's');
2559 DO_MODE_CHAR(MODERATED, 'm');
2560 DO_MODE_CHAR(TOPICLIMIT, 't');
2561 DO_MODE_CHAR(INVITEONLY, 'i');
2562 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2563 DO_MODE_CHAR(DELAYJOINS, 'D');
2564 DO_MODE_CHAR(REGONLY, 'r');
2565 DO_MODE_CHAR(NOCOLORS, 'c');
2566 DO_MODE_CHAR(NOCTCPS, 'C');
2567 DO_MODE_CHAR(REGISTERED, 'z');
2569 if(change->modes_set & MODE_KEY)
2570 mod_chanmode_append(&chbuf, 'k', change->new_key);
2571 if (change->modes_set & MODE_UPASS)
2572 mod_chanmode_append(&chbuf, 'U', change->new_upass);
2573 if (change->modes_set & MODE_APASS)
2574 mod_chanmode_append(&chbuf, 'A', change->new_apass);
2575 if(change->modes_set & MODE_LIMIT) {
2576 sprintf(int_buff, "%d", change->new_limit);
2577 mod_chanmode_append(&chbuf, 'l', int_buff);
2580 for (arg = 0; arg < change->argc; ++arg) {
2581 if (change->args[arg].mode & MODE_REMOVE)
2584 chbuf.modes[chbuf.modes_used++] = mode = '+';
2585 switch (change->args[arg].mode) {
2587 mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask);
2590 if (change->args[arg].mode & MODE_CHANOP)
2591 mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->numeric);
2592 if (change->args[arg].mode & MODE_VOICE)
2593 mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->numeric);
2598 /* Flush the buffer and apply changes locally */
2599 if (chbuf.modes_used > 0) {
2600 memcpy(chbuf.modes + chbuf.modes_used, chbuf.args, chbuf.args_used);
2601 chbuf.modes[chbuf.modes_used + chbuf.args_used] = '\0';
2602 irc_mode((chbuf.is_chanop ? chbuf.actor : NULL), chbuf.channel, chbuf.modes);
2604 mod_chanmode_apply(who, channel, change);
2608 mod_chanmode_format(struct mod_chanmode *change, char *outbuff)
2610 unsigned int used = 0;
2611 assert(change->argc <= change->alloc_argc);
2612 if (change->modes_clear) {
2613 outbuff[used++] = '-';
2614 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) outbuff[used++] = CHAR
2615 DO_MODE_CHAR(PRIVATE, 'p');
2616 DO_MODE_CHAR(SECRET, 's');
2617 DO_MODE_CHAR(MODERATED, 'm');
2618 DO_MODE_CHAR(TOPICLIMIT, 't');
2619 DO_MODE_CHAR(INVITEONLY, 'i');
2620 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2621 DO_MODE_CHAR(LIMIT, 'l');
2622 DO_MODE_CHAR(KEY, 'k');
2623 DO_MODE_CHAR(UPASS, 'U');
2624 DO_MODE_CHAR(APASS, 'A');
2625 DO_MODE_CHAR(DELAYJOINS, 'D');
2626 DO_MODE_CHAR(REGONLY, 'r');
2627 DO_MODE_CHAR(NOCOLORS, 'c');
2628 DO_MODE_CHAR(NOCTCPS, 'C');
2629 DO_MODE_CHAR(REGISTERED, 'z');
2632 if (change->modes_set) {
2633 outbuff[used++] = '+';
2634 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) outbuff[used++] = CHAR
2635 DO_MODE_CHAR(PRIVATE, 'p');
2636 DO_MODE_CHAR(SECRET, 's');
2637 DO_MODE_CHAR(MODERATED, 'm');
2638 DO_MODE_CHAR(TOPICLIMIT, 't');
2639 DO_MODE_CHAR(INVITEONLY, 'i');
2640 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2641 DO_MODE_CHAR(DELAYJOINS, 'D');
2642 DO_MODE_CHAR(REGONLY, 'r');
2643 DO_MODE_CHAR(NOCOLORS, 'c');
2644 DO_MODE_CHAR(NOCTCPS, 'C');
2645 DO_MODE_CHAR(REGISTERED, 'z');
2647 switch (change->modes_set & (MODE_KEY|MODE_LIMIT|MODE_APASS|MODE_UPASS)) {
2648 /* Doing this implementation has been a pain in the arse, I hope I didn't forget a possible combination */
2649 case MODE_KEY|MODE_LIMIT|MODE_APASS|MODE_UPASS:
2650 used += sprintf(outbuff+used, "lkAU %d %s %s %s", change->new_limit, change->new_key, change->new_apass, change->new_upass);
2653 case MODE_KEY|MODE_LIMIT|MODE_APASS:
2654 used += sprintf(outbuff+used, "lkA %d %s %s", change->new_limit, change->new_key, change->new_apass);
2656 case MODE_KEY|MODE_LIMIT|MODE_UPASS:
2657 used += sprintf(outbuff+used, "lkU %d %s %s", change->new_limit, change->new_key, change->new_upass);
2659 case MODE_KEY|MODE_APASS|MODE_UPASS:
2660 used += sprintf(outbuff+used, "kAU %s %s %s", change->new_key, change->new_apass, change->new_upass);
2663 case MODE_KEY|MODE_APASS:
2664 used += sprintf(outbuff+used, "kA %s %s", change->new_key, change->new_apass);
2666 case MODE_KEY|MODE_UPASS:
2667 used += sprintf(outbuff+used, "kU %s %s", change->new_key, change->new_upass);
2669 case MODE_KEY|MODE_LIMIT:
2670 used += sprintf(outbuff+used, "lk %d %s", change->new_limit, change->new_key);
2672 case MODE_LIMIT|MODE_UPASS:
2673 used += sprintf(outbuff+used, "lU %d %s", change->new_limit, change->new_upass);
2675 case MODE_LIMIT|MODE_APASS:
2676 used += sprintf(outbuff+used, "lA %d %s", change->new_limit, change->new_apass);
2678 case MODE_APASS|MODE_UPASS:
2679 used += sprintf(outbuff+used, "AU %s %s", change->new_apass, change->new_upass);
2682 case MODE_LIMIT|MODE_APASS|MODE_UPASS:
2683 used += sprintf(outbuff+used, "lAU %d %s %s", change->new_limit, change->new_apass, change->new_upass);
2687 used += sprintf(outbuff+used, "A %s", change->new_apass);
2690 used += sprintf(outbuff+used, "U %s", change->new_upass);
2693 used += sprintf(outbuff+used, "k %s", change->new_key);
2696 used += sprintf(outbuff+used, "l %d", change->new_limit);
2705 clear_chanmode(struct chanNode *channel, const char *modes)
2707 unsigned int cleared;
2709 for (cleared = 0; *modes; modes++) {
2711 case 'o': cleared |= MODE_CHANOP; break;
2712 case 'v': cleared |= MODE_VOICE; break;
2713 case 'p': cleared |= MODE_PRIVATE; break;
2714 case 's': cleared |= MODE_SECRET; break;
2715 case 'm': cleared |= MODE_MODERATED; break;
2716 case 't': cleared |= MODE_TOPICLIMIT; break;
2717 case 'i': cleared |= MODE_INVITEONLY; break;
2718 case 'n': cleared |= MODE_NOPRIVMSGS; break;
2720 cleared |= MODE_KEY;
2721 channel->key[0] = '\0';
2724 cleared |= MODE_APASS;
2725 channel->apass[0] = '\0';
2728 cleared |= MODE_UPASS;
2729 channel->upass[0] = '\0';
2732 cleared |= MODE_LIMIT;
2735 case 'b': cleared |= MODE_BAN; break;
2736 case 'D': cleared |= MODE_DELAYJOINS; break;
2737 case 'r': cleared |= MODE_REGONLY; break;
2738 case 'c': cleared |= MODE_NOCOLORS; break;
2739 case 'C': cleared |= MODE_NOCTCPS; break;
2740 case 'z': cleared |= MODE_REGISTERED; break;
2747 /* Remove simple modes. */
2748 channel->modes &= ~cleared;
2750 /* If removing bans, kill 'em all. */
2751 if ((cleared & MODE_BAN) && channel->banlist.used) {
2753 for (i=0; i<channel->banlist.used; i++)
2754 free(channel->banlist.list[i]);
2755 channel->banlist.used = 0;
2758 /* Remove member modes. */
2759 if ((cleared & (MODE_CHANOP | MODE_VOICE)) && channel->members.used) {
2760 int mask = ~(cleared & (MODE_CHANOP | MODE_VOICE));
2763 for (i = 0; i < channel->members.used; i++)
2764 channel->members.list[i]->modes &= mask;
2771 reg_privmsg_func(struct userNode *user, privmsg_func_t handler)
2773 unsigned int numeric = user->num_local;
2774 if (numeric >= num_privmsg_funcs) {
2775 int newnum = numeric + 8, ii;
2776 privmsg_funcs = realloc(privmsg_funcs, newnum*sizeof(privmsg_func_t));
2777 for (ii = num_privmsg_funcs; ii < newnum; ++ii)
2778 privmsg_funcs[ii] = NULL;
2779 num_privmsg_funcs = newnum;
2781 if (privmsg_funcs[numeric])
2782 log_module(MAIN_LOG, LOG_WARNING, "re-registering new privmsg handler for numeric %d", numeric);
2783 privmsg_funcs[numeric] = handler;
2787 unreg_privmsg_func(struct userNode *user)
2789 if (!IsLocal(user) || user->num_local >= num_privmsg_funcs)
2790 return; /* this really only works with users */
2792 privmsg_funcs[user->num_local] = NULL;
2797 reg_notice_func(struct userNode *user, privmsg_func_t handler)
2799 unsigned int numeric = user->num_local;
2800 if (numeric >= num_notice_funcs) {
2801 int newnum = numeric + 8, ii;
2802 notice_funcs = realloc(notice_funcs, newnum*sizeof(privmsg_func_t));
2803 for (ii = num_privmsg_funcs; ii < newnum; ++ii)
2804 privmsg_funcs[ii] = NULL;
2805 num_notice_funcs = newnum;
2807 if (notice_funcs[numeric])
2808 log_module(MAIN_LOG, LOG_WARNING, "re-registering new notice handler for numeric %d", numeric);
2809 notice_funcs[numeric] = handler;
2813 unreg_notice_func(struct userNode *user)
2815 if (!IsLocal(user) || user->num_local >= num_privmsg_funcs)
2816 return; /* this really only works with users */
2818 notice_funcs[user->num_local] = NULL;
2824 unsigned int i, hop, max_hop=1;
2827 /* burst (juped) servers, closest first (except self, which is sent already) */
2828 for (i=0; i<ArrayLength(servers_num); i++)
2829 if (servers_num[i] && servers_num[i]->hops > max_hop)
2830 max_hop = servers_num[i]->hops;
2831 for (hop=1; hop<=max_hop; hop++) {
2832 for (i=0;i<ArrayLength(servers_num);i++) {
2834 && (servers_num[i]->hops == hop)
2835 && (servers_num[i] != self->uplink))
2836 irc_server(servers_num[i]);
2840 /* burst local nicks */
2841 for (i=0; i<=self->num_mask; i++)
2843 irc_user(self->users[i]);
2845 /* build dict of unbursted channel names (just copy existing channels) */
2846 unbursted_channels = dict_new();
2847 for (it = dict_first(channels); it; it = iter_next(it))
2848 dict_insert(unbursted_channels, iter_key(it), iter_data(it));
2855 parse_oplevel(char *str)
2858 while (isdigit(*str))
2859 oplevel = oplevel * 10 + *str++ - '0';