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;
306 parse_oplevel(char *str)
309 while (isdigit(*str))
310 oplevel = oplevel * 10 + *str++ - '0';
314 /* Numerics can be XYY, XYYY, or XXYYY; with X's identifying the
315 * server and Y's indentifying the client on that server. */
317 GetServerN(const char *numeric)
319 switch (strlen(numeric)) {
321 return servers_num[base64toint(numeric, 2)];
325 return servers_num[base64toint(numeric, 1)];
332 GetUserN(const char *numeric) /* using numeric */
338 switch (strlen(numeric)) {
340 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): numeric too long!", numeric);
342 case 5: slen = 2; ulen = 3; break;
343 case 4: slen = 1; ulen = 3; break;
344 case 3: slen = 1; ulen = 2; break;
345 case 2: case 1: case 0:
346 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): numeric too short!", numeric);
349 if (!(s = servers_num[base64toint(numeric, slen)])) {
350 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s): couldn't find server (len=%d)!", numeric, slen);
353 n = base64toint(numeric+slen, ulen) & s->num_mask;
354 if (!(un = s->users[n])) {
355 log_module(MAIN_LOG, LOG_WARNING, "GetUserN(%s) couldn't find user!", numeric);
361 privmsg_user_helper(struct userNode *un, void *data)
363 struct privmsg_desc *pd = data;
364 unsigned int num = un->num_local;
365 if (!pd->is_notice) {
366 if ((num < num_privmsg_funcs) && privmsg_funcs[num]) {
367 privmsg_funcs[num](pd->user, un, pd->text, pd->is_qualified);
370 if ((num < num_notice_funcs) && notice_funcs[num]) {
371 notice_funcs[num](pd->user, un, pd->text, pd->is_qualified);
377 irc_server(struct server *srv)
379 char extranum[COMBO_NUMERIC_LEN+1];
381 inttobase64(extranum, srv->num_mask, (srv->numeric[1] || (srv->num_mask >= 64*64)) ? 3 : 2);
383 /* The +s, ignored by Run's ircu, means "service" to Undernet's ircu */
384 putsock(P10_SERVER " %s %d %lu %lu J10 %s%s +s6 :%s",
385 srv->name, srv->hops+1, srv->boot, srv->link_time, srv->numeric, extranum, srv->description);
387 putsock("%s " P10_SERVER " %s %d %lu %lu %c10 %s%s +s6 :%s",
388 self->numeric, srv->name, srv->hops+1, srv->boot, srv->link_time, (srv->self_burst ? 'J' : 'P'), srv->numeric, extranum, srv->description);
393 irc_p10_pton(irc_in_addr_t *ip, const char *input)
395 if (strlen(input) == 6) {
397 memset(ip, 0, 6 * sizeof(ip->in6[0]));
398 value = base64toint(input, 6);
400 ip->in6[5] = htons(65535);
401 ip->in6[6] = htons(value >> 16);
402 ip->in6[7] = htons(value & 65535);
404 unsigned int pos = 0;
408 for (left = (25 - strlen(input)) / 3 - pos; left; left--)
412 ip->in6[pos++] = ntohs(base64toint(input, 3));
420 irc_p10_ntop(char *output, const irc_in_addr_t *ip)
422 if (!irc_in_addr_is_valid(*ip)) {
423 strcpy(output, "AAAAAA");
424 } else if (irc_in_addr_is_ipv4(*ip)) {
426 in4 = (ntohs(ip->in6[6]) << 16) | ntohs(ip->in6[7]);
427 inttobase64(output, in4, 6);
429 } else if (irc_in_addr_is_ipv6(*ip)) {
430 unsigned int max_start, max_zeros, curr_zeros, zero, ii;
431 /* Can start by printing out the leading non-zero parts. */
432 for (ii = 0; (ip->in6[ii]) && (ii < 8); ++ii) {
433 inttobase64(output, ntohs(ip->in6[ii]), 3);
436 /* Find the longest run of zeros. */
437 for (max_start = zero = ii, max_zeros = curr_zeros = 0; ii < 8; ++ii) {
440 else if (curr_zeros > max_zeros) {
441 max_start = ii - curr_zeros;
442 max_zeros = curr_zeros;
446 if (curr_zeros > max_zeros) {
447 max_start = ii - curr_zeros;
448 max_zeros = curr_zeros;
451 /* Print the rest of the address */
452 for (ii = zero; ii < 8; ) {
453 if ((ii == max_start) && max_zeros) {
457 inttobase64(output, ntohs(ip->in6[ii]), 3);
464 strcpy(output, "???");
469 irc_user(struct userNode *user)
472 if (!user || IsDummy(user))
474 irc_p10_ntop(b64ip, &user->ip);
477 irc_user_modes(user, modes, sizeof(modes));
478 putsock("%s " P10_NICK " %s %d %lu %s %s +%s %s %s :%s",
479 user->uplink->numeric, user->nick, user->uplink->hops+1, (unsigned long)user->timestamp, user->ident, user->hostname, modes, b64ip, user->numeric, user->info);
481 putsock("%s " P10_NICK " %s %d %lu %s %s %s %s :%s",
482 user->uplink->numeric, user->nick, user->uplink->hops+1, (unsigned long)user->timestamp, user->ident, user->hostname, b64ip, user->numeric, user->info);
487 irc_account(struct userNode *user, const char *stamp, unsigned long timestamp, unsigned long serial)
489 putsock("%s " P10_ACCOUNT " %s %s %lu %lu", self->numeric, user->numeric, stamp, timestamp, serial);
493 irc_fakehost(struct userNode *user, const char *host)
495 putsock("%s " P10_FAKEHOST " %s %s", self->numeric, user->numeric, host);
499 irc_regnick(UNUSED_ARG(struct userNode *user))
501 /* no operation here */
505 irc_nick(struct userNode *user, UNUSED_ARG(const char *old_nick))
507 putsock("%s " P10_NICK " %s %lu", user->numeric, user->nick, (unsigned long)now);
511 irc_fetchtopic(struct userNode *from, const char *to)
515 putsock("%s " P10_TOPIC " %s", from->numeric, to);
519 irc_squit(struct server *srv, const char *message, const char *service_message)
521 if (!service_message)
522 service_message = message;
524 /* Are we leaving the network? */
525 if (srv == self && cManager.uplink->state == CONNECTED) {
528 /* Quit all clients linked to me. */
529 for (i = 0; i <= self->num_mask; i++) {
532 irc_quit(self->users[i], service_message);
536 putsock("%s " P10_SQUIT " %s %d :%s", self->numeric, srv->name, 0, message);
539 /* Force a reconnect to the currently selected server. */
540 cManager.uplink->tries = 0;
541 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", message);
547 irc_wallchops(struct userNode *from, const char *to, const char *message)
549 putsock("%s " P10_WALLCHOPS " %s :%s", from->numeric, to, message);
553 deliver_to_dummy(struct userNode *source, struct userNode *dest, const char *message, int type)
557 if (!dest || !IsDummy(dest) || !IsLocal(dest))
559 num = dest->num_local;
562 if ((num < num_notice_funcs) && notice_funcs[num])
563 notice_funcs[num](source, dest, message, 0);
566 if ((num < num_privmsg_funcs) && privmsg_funcs[num])
567 privmsg_funcs[num](source, dest, message, 0);
574 irc_notice(struct userNode *from, const char *to, const char *message)
576 if (to[0] == '#' || to[0] == '$'
577 || !deliver_to_dummy(from, GetUserN(to), message, 0))
578 putsock("%s " P10_NOTICE " %s :%s", from->numeric, to, message);
582 irc_notice_user(struct userNode *from, struct userNode *to, const char *message)
584 if (!deliver_to_dummy(from, to, message, 0))
585 putsock("%s " P10_NOTICE " %s :%s", from->numeric, to->numeric, message);
589 irc_privmsg(struct userNode *from, const char *to, const char *message)
591 if (to[0] == '#' || to[0] == '$'
592 || !deliver_to_dummy(from, GetUserN(to), message, 1))
593 putsock("%s " P10_PRIVMSG " %s :%s", from->numeric, to, message);
599 putsock("%s " P10_EOB, self->numeric);
605 putsock("%s " P10_EOB_ACK, self->numeric);
609 irc_ping(const char *payload)
611 putsock("%s " P10_PING " :%s", self->numeric, payload);
615 irc_pong(const char *who, const char *data)
617 putsock("%s " P10_PONG " %s :%s", self->numeric, who, data);
621 irc_pong_asll(const char *who, const char *orig_ts)
625 struct timeval sys_now;
628 orig.tv_sec = strtoul(orig_ts, &delim, 10);
629 orig.tv_usec = (*delim == '.') ? strtoul(delim + 1, NULL, 10) : 0;
630 gettimeofday(&sys_now, NULL);
631 diff = (sys_now.tv_sec - orig.tv_sec) * 1000 + (sys_now.tv_usec - orig.tv_usec) / 1000;
632 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);
636 irc_pass(const char *passwd)
638 putsock(P10_PASS " :%s", passwd);
642 irc_introduce(const char *passwd)
644 void timed_send_ping(void *data);
646 self->self_burst = self->burst = 1;
650 timeq_add(now + ping_freq, timed_send_ping, 0);
654 irc_gline(struct server *srv, struct gline *gline)
657 putsock("%s " P10_GLINE " %s +%s %lu %lu :%s",
658 self->numeric, (srv ? srv->numeric : "*"), gline->target, (unsigned long)(gline->expires-now), (unsigned long)gline->lastmod, gline->reason);
660 putsock("%s " P10_GLINE " %s +%s %lu :%s",
661 self->numeric, (srv ? srv->numeric : "*"), gline->target, (unsigned long)(gline->expires-now), gline->reason);
665 irc_settime(const char *srv_name_mask, unsigned long new_time)
667 ioset_set_time(new_time);
668 if (!strcmp(srv_name_mask, "*"))
670 putsock("%s " P10_SETTIME " %lu %s", self->numeric, new_time, srv_name_mask);
674 irc_ungline(const char *mask)
676 putsock("%s " P10_GLINE " * -%s", self->numeric, mask);
679 /* Return negative if *(struct modeNode**)pa is "less than" pb,
680 * positive if pa is "larger than" pb. Comparison is based on sorting
681 * so that non-voiced/non-opped users are first, voiced-only users are
682 * next, and the "strongest" oplevels are before "weaker" oplevels.
683 * Within those sets, ordering is arbitrary.
686 modeNode_sort(const void *pa, const void *pb)
688 struct modeNode *a = *(struct modeNode**)pa;
689 struct modeNode *b = *(struct modeNode**)pb;
691 if (a->modes & MODE_CHANOP) {
692 if (!(b->modes & MODE_CHANOP))
694 else if ((a->modes & MODE_VOICE) != (b->modes & MODE_VOICE))
695 return (a->modes & MODE_VOICE) - (b->modes & MODE_VOICE);
696 else if (a->oplevel != b->oplevel)
697 return a->oplevel - b->oplevel;
698 } else if (b->modes & MODE_CHANOP)
700 else if ((a->modes & MODE_VOICE) != (b->modes & MODE_VOICE))
701 return (a->modes & MODE_VOICE) - (b->modes & MODE_VOICE);
702 return (a < b) ? -1 : 1;
706 irc_burst(struct chanNode *chan)
708 char burst_line[512];
709 int pos, base_len, len;
712 int last_oplevel = 0;
715 unsigned int first_ban;
718 base_len = sprintf(burst_line, "%s " P10_BURST " %s %lu ",
719 self->numeric, chan->name,
720 (unsigned long)chan->timestamp);
721 len = irc_make_chanmode(chan, burst_line+base_len);
722 pos = base_len + len;
723 if (len > 0 && chan->members.used > 0)
724 burst_line[pos++] = ' ';
726 /* sort the users for oplevel-sending purposes */
727 qsort(chan->members.list, chan->members.used, sizeof(chan->members.list[0]), modeNode_sort);
730 for (n=0; n<chan->members.used; n++) {
731 mn = chan->members.list[n];
733 burst_line[pos-1] = 0; /* -1 to back up over the space or comma */
734 putsock("%s", burst_line);
739 memcpy(burst_line+pos, mn->user->numeric, strlen(mn->user->numeric));
740 pos += strlen(mn->user->numeric);
741 new_modes = mn->modes & (MODE_CHANOP | MODE_VOICE);
742 if (new_modes != last_mode) {
743 last_mode = new_modes;
744 burst_line[pos++] = ':';
745 if (new_modes & MODE_VOICE)
746 burst_line[pos++] = 'v';
747 /* Note: :vNNN (oplevel NNN with voice) resets the
748 * implicit oplevel back to zero, so we always use the raw
749 * oplevel value here. Read ircu's m_burst.c for more
752 if (new_modes & MODE_CHANOP) {
753 last_oplevel = mn->oplevel;
754 if (mn->oplevel < MAXOPLEVEL)
755 pos += sprintf(burst_line + pos, "%u", mn->oplevel);
757 burst_line[pos++] = 'o';
759 } else if ((last_mode & MODE_CHANOP) && (mn->oplevel != last_oplevel)) {
760 pos += sprintf(burst_line + pos, ":%u", mn->oplevel - last_oplevel);
761 last_oplevel = mn->oplevel;
763 if ((n+1)<chan->members.used)
764 burst_line[pos++] = ',';
768 if (chan->banlist.used) {
771 if (chan->members.used > 0)
772 burst_line[pos++] = ' ';
774 for (n=0; n<chan->banlist.used; ) {
775 if (first_ban && (pos < 500)) {
776 burst_line[pos++] = ':';
777 burst_line[pos++] = '%';
779 bn = chan->banlist.list[n];
780 len = strlen(bn->ban);
781 if (pos + 2 + len < 505) {
782 memcpy(burst_line + pos, bn->ban, len);
784 burst_line[pos++] = ' ';
788 burst_line[pos-1] = 0;
789 putsock("%s", burst_line);
796 /* print the last line */
798 putsock("%s", burst_line);
802 irc_quit(struct userNode *user, const char *message)
804 putsock("%s " P10_QUIT " :%s", user->numeric, message);
808 irc_error(const char *to, const char *message)
811 putsock("%s " P10_ERROR " :%s", to, message);
813 putsock(":%s " P10_ERROR " :%s", self->name, message);
818 irc_kill(struct userNode *from, struct userNode *target, const char *message)
821 putsock("%s " P10_KILL " %s :%s (%s)",
822 from->numeric, target->numeric, from->nick, message);
824 putsock("%s " P10_KILL " %s :%s (%s)",
825 self->numeric, target->numeric, self->name, message);
830 irc_mode(struct userNode *from, struct chanNode *target, const char *modes)
832 putsock("%s " P10_MODE " %s %s %lu",
833 (from ? from->numeric : self->numeric),
834 target->name, modes, (unsigned long)target->timestamp);
838 irc_invite(struct userNode *from, struct userNode *who, struct chanNode *to)
840 putsock("%s " P10_INVITE " %s %s", from->numeric, who->nick, to->name);
844 irc_join(struct userNode *who, struct chanNode *what)
846 if (what->members.used == 1) {
847 putsock("%s " P10_CREATE " %s %lu",
848 who->numeric, what->name, (unsigned long)what->timestamp);
850 putsock("%s " P10_JOIN " %s %lu", who->numeric, what->name,
851 (unsigned long)what->timestamp);
856 irc_kick(struct userNode *who, struct userNode *target, struct chanNode *channel, const char *msg)
859 struct modeNode *mn = GetUserMode(channel, who);
860 numeric = ((mn && (mn->modes & MODE_CHANOP)) || off_channel) ? who->numeric : self->numeric;
861 putsock("%s " P10_KICK " %s %s :%s",
862 numeric, channel->name, target->numeric, msg);
866 irc_stats(struct userNode *from, struct server *target, char type)
868 putsock("%s " P10_STATS " %c :%s", from->numeric, type, target->numeric);
872 irc_svsnick(struct userNode *from, struct userNode *target, const char *newnick)
874 putsock("%s " P10_SVSNICK " %s %s %lu", from->uplink->numeric, target->numeric, newnick, (unsigned long)now);
878 irc_part(struct userNode *who, struct chanNode *what, const char *reason)
881 putsock("%s " P10_PART " %s :%s", who->numeric, what->name, reason);
883 putsock("%s " P10_PART " %s", who->numeric, what->name);
888 irc_topic(struct userNode *who, struct chanNode *what, const char *topic)
890 putsock("%s " P10_TOPIC " %s :%s", who->numeric, what->name, topic);
894 irc_raw(const char *what)
900 irc_numeric(struct userNode *user, unsigned int num, const char *format, ...)
904 va_start(arg_list, format);
905 vsnprintf(buffer, MAXLEN-2, format, arg_list);
906 buffer[MAXLEN-1] = 0;
907 putsock(":%s %03d %s %s", self->name, num, user->nick, buffer);
910 static void send_burst(void);
913 change_nicklen(int new_nicklen)
916 char new_nick[NICKLEN+1];
917 struct userNode *user;
919 nicklen = new_nicklen;
920 /* fix up any users we have here */
921 for (nn=0; nn<=self->num_mask; nn++) {
922 if (!(user = self->users[nn]))
924 safestrncpy(new_nick, user->nick, sizeof(new_nick));
925 new_nick[nicklen] = 0;
926 NickChange(user, new_nick, 1);
930 static CMD_FUNC(cmd_whois)
932 struct userNode *from;
933 struct userNode *who;
935 unsigned int i, mlen, len;
939 if (!(from = GetUserH(origin))) {
940 log_module(MAIN_LOG, LOG_ERROR, "Could not find WHOIS origin user %s", origin);
943 if (!(who = GetUserH(argv[2]))) {
944 irc_numeric(from, ERR_NOSUCHNICK, "%s@%s :No such nick", argv[2], self->name);
948 if (IsFakeHost(who) && IsHiddenHost(who))
949 irc_numeric(from, RPL_WHOISUSER, "%s %s %s * :%s", who->nick, who->ident, who->fakehost, who->info);
950 else if (IsHiddenHost(who) && who->handle_info && hidden_host_suffix)
951 irc_numeric(from, RPL_WHOISUSER, "%s %s %s.%s * :%s", who->nick, who->ident, who->handle_info->handle, hidden_host_suffix, who->info);
953 irc_numeric(from, RPL_WHOISUSER, "%s %s %s * :%s", who->nick, who->ident, who->hostname, who->info);
955 if ((!IsService(who) && !IsNoChan(who)) || (from == who)) {
957 mlen = strlen(self->name) + strlen(from->nick) + 12 + strlen(who->nick);
960 for (i = who->channels.used; i > 0; )
962 mn = who->channels.list[--i];
964 if (!IsOper(from) && (mn->channel->modes & (MODE_PRIVATE | MODE_SECRET)) && !GetUserMode(mn->channel, from))
967 if (len + strlen(mn->channel->name) + mlen > MAXLEN - 5)
969 irc_numeric(from, RPL_WHOISCHANNELS, "%s :%s", who->nick, buf);
975 *(buf + len++) = '-';
976 if ((mn->channel->modes & (MODE_PRIVATE | MODE_SECRET)) && !GetUserMode(mn->channel, from))
977 *(buf + len++) = '*';
978 if (mn->modes & MODE_CHANOP)
979 *(buf + len++) = '@';
980 else if (mn->modes & MODE_VOICE)
981 *(buf + len++) = '+';
985 strcpy(buf + len, mn->channel->name);
986 len += strlen(mn->channel->name);
987 strcat(buf + len, " ");
991 irc_numeric(from, RPL_WHOISCHANNELS, "%s :%s", who->nick, buf);
994 if (his_servername && his_servercomment && !IsOper(from) && from != who)
995 irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, his_servername, his_servercomment);
997 irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, who->uplink->name, who->uplink->description);
1000 irc_numeric(from, RPL_AWAY, "%s :Away", who->nick);
1002 irc_numeric(from, RPL_WHOISOPERATOR, "%s :%s", who->nick, IsLocal(who) ? "is a megalomaniacal power hungry tyrant" : "is an IRC Operator");
1003 if (who->handle_info)
1004 irc_numeric(from, RPL_WHOISACCOUNT, "%s %s :is logged in as", who->nick, who->handle_info->handle);
1005 if (IsHiddenHost(who) && who->handle_info && (IsOper(from) || from == who))
1006 irc_numeric(from, RPL_WHOISACTUALLY, "%s %s@%s %s :Actual user@host, Actual IP", who->nick, who->ident, who->hostname, irc_ntoa(&who->ip));
1007 if (IsLocal(who) && !IsService(who) && (!IsNoIdle(who) || IsOper(from) || from == who))
1008 irc_numeric(from, RPL_WHOISIDLE, "%s %ld %ld :seconds idle, signon time", who->nick, now - who->idle_since, who->timestamp);
1010 irc_numeric(from, RPL_ENDOFWHOIS, "%s :End of /WHOIS list", who->nick);
1014 static CMD_FUNC(cmd_server)
1022 /* another server introduced us */
1023 srv = AddServer(GetServerH(origin), argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), argv[6], argv[argc-1]);
1026 srv->self_burst = argv[5][0] == 'J';
1029 /* this must be our uplink */
1030 srv = self->uplink = AddServer(self, argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), argv[6], argv[argc-1]);
1033 srv->self_burst = argv[5][0] == 'J';
1035 if ((argv[7][0] == '+') && !force_n2k) {
1036 log_module(MAIN_LOG, LOG_WARNING, "Got Undernet-style SERVER message but \"force_n2k\" not on.");
1041 /* Fix up our timestamps if necessary. */
1042 if (srv->boot <= PREHISTORY) {
1043 /* Server from the mists of time.. */
1044 if (srv->hops == 1) {
1045 log_module(MAIN_LOG, LOG_ERROR, "Server %s claims to have booted at time %lu. This is absurd.", srv->name, (unsigned long)srv->boot);
1047 } else if ((str = conf_get_data("server/reliable_clock", RECDB_QSTRING))
1048 && enabled_string(str)) {
1049 /* If we have a reliable clock, we just keep our current time. */
1051 if (srv->boot <= self->boot) {
1052 /* The other server is older than us. Accept their timestamp.
1053 * Alternately, we are same age, but we accept their time
1054 * since we are linking to them. */
1055 self->boot = srv->boot;
1056 ioset_set_time(srv->link_time);
1059 if (srv == self->uplink) {
1060 extern unsigned long burst_begin;
1066 static CMD_FUNC(cmd_eob)
1068 struct server *sender;
1072 if (!(sender = GetServerH(origin)))
1074 if (sender == self->uplink) {
1075 cManager.uplink->state = CONNECTED;
1076 for (it = dict_first(unbursted_channels); it; it = iter_next(it))
1077 irc_burst(iter_data(it));
1078 dict_delete(unbursted_channels);
1079 unbursted_channels = NULL;
1083 sender->self_burst = 0;
1084 recalc_bursts(sender);
1085 for (ii=0; ii<slf_used; ii++)
1086 slf_list[ii](sender);
1090 static CMD_FUNC(cmd_eob_ack)
1092 extern unsigned long burst_begin;
1094 if (GetServerH(origin) == self->uplink) {
1095 burst_length = now - burst_begin;
1096 self->self_burst = self->burst = 0;
1098 cManager.uplink->state = CONNECTED;
1102 static CMD_FUNC(cmd_ping)
1105 struct userNode *un;
1108 irc_pong_asll(argv[2], argv[3]);
1109 else if ((srv = GetServerH(origin)))
1110 irc_pong(self->name, srv->numeric);
1111 else if ((un = GetUserH(origin)))
1112 irc_pong(self->name, un->numeric);
1114 irc_pong(self->name, origin);
1116 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1117 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1118 timeq_add(now + ping_freq, timed_send_ping, 0);
1123 static CMD_FUNC(cmd_error_nick)
1125 /* Go back to original IRC length .. and try to reconnect :/ */
1127 irc_squit(self, "Got erroneous nickname, truncating nicks.", NULL);
1131 struct create_desc {
1132 struct userNode *user;
1137 join_helper(struct chanNode *chan, void *data)
1139 struct create_desc *cd = data;
1140 AddChannelUser(cd->user, chan);
1144 create_helper(char *name, void *data)
1146 struct create_desc *cd = data;
1148 if (!strcmp(name, "0")) {
1149 while (cd->user->channels.used > 0)
1150 DelChannelUser(cd->user, cd->user->channels.list[0]->channel, 0, 0);
1154 AddChannelUser(cd->user, AddChannel(name, cd->when, NULL, NULL));
1157 static CMD_FUNC(cmd_create)
1159 struct create_desc cd;
1160 struct userNode *user;
1162 if ((argc < 3) || !(user = GetUserH(origin)))
1165 cd.when = atoi(argv[2]);
1166 parse_foreach(argv[1], join_helper, create_helper, NULL, NULL, &cd);
1170 static CMD_FUNC(cmd_join)
1172 struct create_desc cd;
1174 if (!(cd.user = GetUserH(origin)))
1181 cd.when = atoi(argv[2]);
1182 parse_foreach(argv[1], join_helper, create_helper, NULL, NULL, &cd);
1186 static CMD_FUNC(cmd_pong)
1190 if (!strcmp(argv[2], self->name)) {
1191 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1192 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
1193 timeq_add(now + ping_freq, timed_send_ping, 0);
1199 static CMD_FUNC(cmd_nick)
1201 struct userNode *user;
1202 if ((user = GetUserH(origin))) {
1203 /* nick change (since the source is a user numeric) */
1206 NickChange(user, argv[1], 1);
1208 struct server *serv;
1213 serv = GetServerH(origin);
1215 unsplit_string(argv+6, argc-9, modes);
1218 AddUser(serv, argv[1], argv[4], argv[5], modes, argv[argc-2], argv[argc-1], atoi(argv[3]), argv[argc-3]);
1223 static CMD_FUNC(cmd_account)
1225 struct userNode *user;
1226 unsigned long timestamp = 0;
1227 unsigned long serial = 0;
1229 if ((argc < 3) || !origin || !GetServerH(origin))
1230 return 0; /* Origin must be server. */
1231 user = GetUserN(argv[1]);
1233 return 1; /* A QUIT probably passed the ACCOUNT. */
1235 timestamp = strtoul(argv[3], NULL, 10);
1237 serial = strtoul(argv[4], NULL, 10);
1238 call_account_func(user, argv[2], timestamp, serial);
1242 static CMD_FUNC(cmd_fakehost)
1244 struct userNode *user;
1246 if ((argc < 3) || !origin || !GetServerH(origin))
1248 if (!(user = GetUserN(argv[1])))
1250 assign_fakehost(user, argv[2], 0);
1254 static CMD_FUNC(cmd_burst)
1257 char modes[MAXLEN], *members = "", *banlist = NULL;
1258 unsigned int next = 3, res = 1;
1259 struct chanNode *cNode;
1260 struct userNode *un;
1261 struct modeNode *mNode;
1264 char *user, *end, sep;
1265 unsigned long in_timestamp;
1270 while (next < argc) {
1271 switch (argv[next][0]) {
1275 for (pos=argv[next], n_modes = 1; *pos; pos++)
1276 if ((*pos == 'k') || (*pos == 'l') || (*pos == 'A')
1279 if (next + n_modes > argc)
1280 n_modes = argc - next;
1281 unsplit_string(argv+next, n_modes, modes);
1285 case '%': banlist = argv[next++]+1; break;
1286 default: members = argv[next++]; break;
1290 in_timestamp = atoi(argv[2]);
1291 if ((cNode = dict_find(unbursted_channels, argv[1], NULL))) {
1292 cNode->timestamp = in_timestamp;
1293 dict_remove(unbursted_channels, cNode->name);
1296 cNode = AddChannel(argv[1], in_timestamp, modes, banlist);
1298 /* Burst channel members in now. */
1299 for (user = members, sep = *members, mode = 0; sep; user = end) {
1300 for (end = user + 3; isalnum(*end) || *end == '[' || *end == ']'; end++) ;
1301 sep = *end++; end[-1] = 0;
1304 while ((sep = *end++)) {
1306 mode |= MODE_CHANOP;
1307 oplevel = MAXOPLEVEL;
1308 } else if (sep == 'v') {
1311 } else if (isdigit(sep)) {
1312 mode |= MODE_CHANOP;
1313 oplevel += parse_oplevel(end - 1);
1314 while (isdigit(*end)) end++;
1321 if (!(un = GetUserN(user))) {
1325 if ((mNode = AddChannelUser(un, cNode))) {
1326 mNode->modes = mode;
1327 mNode->oplevel = oplevel;
1334 static CMD_FUNC(cmd_mode)
1336 struct chanNode *cn;
1337 struct userNode *un;
1341 if (!IsChannelName(argv[1])) {
1342 un = GetUserH(argv[1]);
1344 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s whose mode is changing.", argv[1]);
1347 mod_usermode(un, argv[2]);
1351 if (!(cn = GetChannel(argv[1]))) {
1352 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1355 if ((un = GetUserH(origin))) {
1356 struct modeNode *mn;
1357 /* Update idle time for person setting the mode */
1358 if ((mn = GetUserMode(cn, un)))
1359 mn->idle_since = now;
1361 /* If it came from a server, reset timestamp to re-sync. */
1362 cn->timestamp = atoi(argv[argc-1]);
1365 return mod_chanmode(un, cn, argv+2, argc-2, MCP_ALLOW_OVB|MCP_FROM_SERVER|(un ? MC_NOTIFY : 0));
1368 static CMD_FUNC(cmd_opmode)
1370 struct chanNode *cn;
1371 struct userNode *un;
1376 if (!(cn = GetChannel(argv[1]))) {
1377 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1380 if (!(un = GetUserH(origin))) {
1381 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s requesting OPMODE.", origin);
1385 log_module(MAIN_LOG, LOG_ERROR, "Non-privileged user %s using OPMODE.", un->nick);
1389 return mod_chanmode(un, cn, argv+2, argc-2, MCP_ALLOW_OVB|MCP_FROM_SERVER); /* do NOT announce opmode locally */
1392 static int clear_chanmode(struct chanNode *channel, const char *modes);
1394 static CMD_FUNC(cmd_clearmode)
1396 struct chanNode *cn;
1397 struct userNode *un;
1402 if (!(cn = GetChannel(argv[1]))) {
1403 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing.", argv[1]);
1406 if (!(un = GetUserH(origin))) {
1407 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s requesting CLEARMODE.", origin);
1411 log_module(MAIN_LOG, LOG_ERROR, "Non-privileged user %s using CLEARMODE.", un->nick);
1415 return clear_chanmode(cn, argv[2]);
1418 static CMD_FUNC(cmd_topic)
1420 struct chanNode *cn;
1421 unsigned long chan_ts, topic_ts;
1425 if (!(cn = GetChannel(argv[1]))) {
1426 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose topic is being set", argv[1]);
1430 /* Looks like an Asuka style topic burst. */
1431 chan_ts = atoi(argv[2]);
1432 topic_ts = atoi(argv[3]);
1434 chan_ts = cn->timestamp;
1437 SetChannelTopic(cn, GetUserH(origin), argv[argc-1], 0);
1438 cn->topic_time = topic_ts;
1442 static CMD_FUNC(cmd_num_topic)
1444 struct chanNode *cn;
1447 return 0; /* huh? */
1449 cn = GetChannel(argv[2]);
1451 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s in topic reply", argv[2]);
1457 switch (atoi(argv[0])) {
1460 break; /* no topic */
1464 safestrncpy(cn->topic, unsplit_string(argv+3, argc-3, NULL), sizeof(cn->topic));
1469 safestrncpy(cn->topic_nick, argv[3], sizeof(cn->topic_nick));
1470 cn->topic_time = atoi(argv[4]);
1473 return 0; /* should never happen */
1478 static CMD_FUNC(cmd_num_gline)
1480 unsigned long lastmod;
1483 lastmod = (argc > 5) ? strtoul(argv[5], NULL, 0) : 0;
1484 gline_add(origin, argv[3], atoi(argv[4])-now, argv[argc - 1], now, lastmod, 0);
1488 static CMD_FUNC(cmd_quit)
1490 struct userNode *user;
1493 /* Sometimes we get a KILL then a QUIT or the like, so we don't want to
1494 * call DelUser unless we have the user in our grasp. */
1495 if ((user = GetUserH(origin)))
1496 DelUser(user, NULL, false, argv[1]);
1500 static CMD_FUNC(cmd_kill)
1502 struct userNode *user;
1505 user = GetUserN(argv[1]);
1507 /* If we get a KILL for a non-existent user, it could be a
1508 * Ghost response to a KILL we sent out earlier. So we only
1509 * whine if the target is local.
1511 if (!strncmp(argv[1], self->numeric, strlen(self->numeric)))
1512 log_module(MAIN_LOG, LOG_ERROR, "Unable to find kill victim %s", argv[1]);
1516 if (IsLocal(user) && IsService(user)) {
1517 /* TODO: rate limit this so silly things don't happen. */
1518 ReintroduceUser(user);
1522 DelUser(user, NULL, false, argv[2]);
1526 static CMD_FUNC(cmd_kick)
1530 ChannelUserKicked(GetUserH(origin), GetUserN(argv[2]), GetChannel(argv[1]));
1534 static CMD_FUNC(cmd_squit)
1536 struct server *server;
1540 if (!(server = GetServerH(argv[1])))
1543 if (server == self->uplink) {
1544 /* Force a reconnect to the currently selected server. */
1545 cManager.uplink->tries = 0;
1546 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", argv[3]);
1551 DelServer(server, 0, argv[3]);
1555 static CMD_FUNC(cmd_privmsg)
1557 struct privmsg_desc pd;
1560 pd.user = GetUserH(origin);
1561 if (!pd.user || (IsGagged(pd.user) && !IsOper(pd.user)))
1564 pd.text = argv[argc - 1];
1565 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
1569 static CMD_FUNC(cmd_notice)
1571 struct privmsg_desc pd;
1574 pd.user = GetUserH(origin);
1575 if (!pd.user || (IsGagged(pd.user) && !IsOper(pd.user)))
1578 pd.text = argv[argc - 1];
1579 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
1583 static CMD_FUNC(cmd_away)
1585 struct userNode *uNode;
1587 uNode = GetUserH(origin);
1591 uNode->modes &= ~FLAGS_AWAY;
1593 uNode->modes |= FLAGS_AWAY;
1597 static CMD_FUNC(cmd_gline)
1599 unsigned long lastmod;
1603 if (argv[2][0] == '+') {
1606 lastmod = (argc > 5) ? strtoul(argv[5], NULL, 0) : 0;
1607 gline_add(origin, argv[2]+1, strtoul(argv[3], NULL, 0), argv[argc-1], now, lastmod, 0);
1609 } else if (argv[2][0] == '-') {
1610 gline_remove(argv[2]+1, 0);
1616 static CMD_FUNC(cmd_svsnick)
1618 struct userNode *target, *dest;
1620 || !(target = GetUserN(argv[1]))
1622 || (dest = GetUserH(argv[2])))
1624 NickChange(target, argv[2], 0);
1629 free_user(struct userNode *user)
1640 free(privmsg_funcs);
1641 num_privmsg_funcs = 0;
1643 num_notice_funcs = 0;
1645 dict_delete(irc_func_dict);
1646 for (nn=0; nn<dead_users.used; nn++)
1647 free_user(dead_users.list[nn]);
1648 userList_clean(&dead_users);
1652 p10_conf_reload(void) {
1653 hidden_host_suffix = conf_get_data("server/hidden_host", RECDB_QSTRING);
1654 his_servername = conf_get_data("server/his_servername", RECDB_QSTRING);
1655 his_servercomment = conf_get_data("server/his_servercomment", RECDB_QSTRING);
1659 remove_unbursted_channel(struct chanNode *cNode) {
1660 if (unbursted_channels)
1661 dict_remove(unbursted_channels, cNode->name);
1667 const char *str, *desc;
1668 int numnick, usermask, max_users;
1669 char numer[COMBO_NUMERIC_LEN+1];
1671 /* read config items */
1672 str = conf_get_data("server/ping_freq", RECDB_QSTRING);
1673 ping_freq = str ? ParseInterval(str) : 120;
1674 str = conf_get_data("server/ping_timeout", RECDB_QSTRING);
1675 ping_timeout = str ? ParseInterval(str) : 30;
1676 str = conf_get_data("server/force_n2k", RECDB_QSTRING);
1677 force_n2k = str ? enabled_string(str) : 1;
1678 str = conf_get_data("server/numeric", RECDB_QSTRING);
1680 log_module(MAIN_LOG, LOG_ERROR, "No server/numeric entry in config file.");
1683 numnick = atoi(str);
1684 str = conf_get_data("server/max_users", RECDB_QSTRING);
1685 max_users = str ? atoi(str) : 4096;
1686 for (usermask = 4; usermask < max_users; usermask <<= 1) ;
1688 if ((numnick < 64) && (usermask < 4096) && !force_n2k)
1689 inttobase64(numer, (numnick << 12) + (usermask & 0x00fff), 3);
1691 inttobase64(numer, (numnick << 18) + (usermask & 0x3ffff), 5);
1693 str = conf_get_data("server/hostname", RECDB_QSTRING);
1694 desc = conf_get_data("server/description", RECDB_QSTRING);
1695 if (!str || !desc) {
1696 log_module(MAIN_LOG, LOG_ERROR, "No server/hostname entry in config file.");
1699 self = AddServer(NULL, str, 0, boot_time, now, numer, desc);
1700 conf_register_reload(p10_conf_reload);
1702 irc_func_dict = dict_new();
1703 dict_insert(irc_func_dict, CMD_BURST, cmd_burst);
1704 dict_insert(irc_func_dict, TOK_BURST, cmd_burst);
1705 dict_insert(irc_func_dict, CMD_CREATE, cmd_create);
1706 dict_insert(irc_func_dict, TOK_CREATE, cmd_create);
1707 dict_insert(irc_func_dict, CMD_EOB, cmd_eob);
1708 dict_insert(irc_func_dict, TOK_EOB, cmd_eob);
1709 dict_insert(irc_func_dict, CMD_EOB_ACK, cmd_eob_ack);
1710 dict_insert(irc_func_dict, TOK_EOB_ACK, cmd_eob_ack);
1711 dict_insert(irc_func_dict, CMD_MODE, cmd_mode);
1712 dict_insert(irc_func_dict, TOK_MODE, cmd_mode);
1713 dict_insert(irc_func_dict, CMD_NICK, cmd_nick);
1714 dict_insert(irc_func_dict, TOK_NICK, cmd_nick);
1715 dict_insert(irc_func_dict, CMD_ACCOUNT, cmd_account);
1716 dict_insert(irc_func_dict, TOK_ACCOUNT, cmd_account);
1717 dict_insert(irc_func_dict, CMD_FAKEHOST, cmd_fakehost);
1718 dict_insert(irc_func_dict, TOK_FAKEHOST, cmd_fakehost);
1719 dict_insert(irc_func_dict, CMD_PASS, cmd_pass);
1720 dict_insert(irc_func_dict, TOK_PASS, cmd_pass);
1721 dict_insert(irc_func_dict, CMD_PING, cmd_ping);
1722 dict_insert(irc_func_dict, TOK_PING, cmd_ping);
1723 dict_insert(irc_func_dict, CMD_PRIVMSG, cmd_privmsg);
1724 dict_insert(irc_func_dict, TOK_PRIVMSG, cmd_privmsg);
1725 dict_insert(irc_func_dict, CMD_PONG, cmd_pong);
1726 dict_insert(irc_func_dict, TOK_PONG, cmd_pong);
1727 dict_insert(irc_func_dict, CMD_QUIT, cmd_quit);
1728 dict_insert(irc_func_dict, TOK_QUIT, cmd_quit);
1729 dict_insert(irc_func_dict, CMD_SERVER, cmd_server);
1730 dict_insert(irc_func_dict, TOK_SERVER, cmd_server);
1731 dict_insert(irc_func_dict, CMD_JOIN, cmd_join);
1732 dict_insert(irc_func_dict, TOK_JOIN, cmd_join);
1733 dict_insert(irc_func_dict, CMD_PART, cmd_part);
1734 dict_insert(irc_func_dict, TOK_PART, cmd_part);
1735 dict_insert(irc_func_dict, CMD_ERROR, cmd_error);
1736 dict_insert(irc_func_dict, TOK_ERROR, cmd_error);
1737 dict_insert(irc_func_dict, CMD_TOPIC, cmd_topic);
1738 dict_insert(irc_func_dict, TOK_TOPIC, cmd_topic);
1739 dict_insert(irc_func_dict, CMD_AWAY, cmd_away);
1740 dict_insert(irc_func_dict, TOK_AWAY, cmd_away);
1741 dict_insert(irc_func_dict, CMD_SILENCE, cmd_dummy);
1742 dict_insert(irc_func_dict, TOK_SILENCE, cmd_dummy);
1743 dict_insert(irc_func_dict, CMD_KICK, cmd_kick);
1744 dict_insert(irc_func_dict, TOK_KICK, cmd_kick);
1745 dict_insert(irc_func_dict, CMD_SQUIT, cmd_squit);
1746 dict_insert(irc_func_dict, TOK_SQUIT, cmd_squit);
1747 dict_insert(irc_func_dict, CMD_KILL, cmd_kill);
1748 dict_insert(irc_func_dict, TOK_KILL, cmd_kill);
1749 dict_insert(irc_func_dict, CMD_NOTICE, cmd_notice);
1750 dict_insert(irc_func_dict, TOK_NOTICE, cmd_notice);
1751 dict_insert(irc_func_dict, CMD_STATS, cmd_stats);
1752 dict_insert(irc_func_dict, TOK_STATS, cmd_stats);
1753 dict_insert(irc_func_dict, CMD_SVSNICK, cmd_svsnick);
1754 dict_insert(irc_func_dict, TOK_SVSNICK, cmd_svsnick);
1755 dict_insert(irc_func_dict, CMD_WHOIS, cmd_whois);
1756 dict_insert(irc_func_dict, TOK_WHOIS, cmd_whois);
1757 dict_insert(irc_func_dict, CMD_GLINE, cmd_gline);
1758 dict_insert(irc_func_dict, TOK_GLINE, cmd_gline);
1759 dict_insert(irc_func_dict, CMD_OPMODE, cmd_opmode);
1760 dict_insert(irc_func_dict, TOK_OPMODE, cmd_opmode);
1761 dict_insert(irc_func_dict, CMD_CLEARMODE, cmd_clearmode);
1762 dict_insert(irc_func_dict, TOK_CLEARMODE, cmd_clearmode);
1763 dict_insert(irc_func_dict, CMD_VERSION, cmd_version);
1764 dict_insert(irc_func_dict, TOK_VERSION, cmd_version);
1765 dict_insert(irc_func_dict, CMD_ADMIN, cmd_admin);
1766 dict_insert(irc_func_dict, TOK_ADMIN, cmd_admin);
1768 /* In P10, DESTRUCT doesn't do anything except be broadcast to servers.
1769 * Apparently to obliterate channels from any servers that think they
1772 dict_insert(irc_func_dict, CMD_DESTRUCT, cmd_dummy);
1773 dict_insert(irc_func_dict, TOK_DESTRUCT, cmd_dummy);
1774 /* Ignore invites */
1775 dict_insert(irc_func_dict, CMD_INVITE, cmd_dummy);
1776 dict_insert(irc_func_dict, TOK_INVITE, cmd_dummy);
1777 /* DESYNCH is just informational, so ignore it */
1778 dict_insert(irc_func_dict, CMD_DESYNCH, cmd_dummy);
1779 dict_insert(irc_func_dict, TOK_DESYNCH, cmd_dummy);
1780 /* Ignore channel operator notices. */
1781 dict_insert(irc_func_dict, CMD_WALLCHOPS, cmd_dummy);
1782 dict_insert(irc_func_dict, TOK_WALLCHOPS, cmd_dummy);
1783 dict_insert(irc_func_dict, CMD_WALLVOICES, cmd_dummy);
1784 dict_insert(irc_func_dict, TOK_WALLVOICES, cmd_dummy);
1785 /* Ignore opers being silly. */
1786 dict_insert(irc_func_dict, CMD_WALLOPS, cmd_dummy);
1787 dict_insert(irc_func_dict, TOK_WALLOPS, cmd_dummy);
1788 /* We have reliable clock! Always! Wraaa! */
1789 dict_insert(irc_func_dict, CMD_SETTIME, cmd_dummy);
1790 dict_insert(irc_func_dict, TOK_SETTIME, cmd_dummy);
1792 dict_insert(irc_func_dict, "331", cmd_num_topic);
1793 dict_insert(irc_func_dict, "332", cmd_num_topic);
1794 dict_insert(irc_func_dict, "333", cmd_num_topic);
1795 dict_insert(irc_func_dict, "345", cmd_dummy); /* blah has been invited to blah */
1796 dict_insert(irc_func_dict, "432", cmd_error_nick); /* Erroneus [sic] nickname */
1797 /* ban list resetting */
1798 /* "stats g" responses */
1799 dict_insert(irc_func_dict, "247", cmd_num_gline);
1800 dict_insert(irc_func_dict, "219", cmd_dummy); /* "End of /STATS report" */
1801 /* other numeric responses we might get */
1802 dict_insert(irc_func_dict, "401", cmd_dummy); /* target left network */
1803 dict_insert(irc_func_dict, "403", cmd_dummy); /* no such channel */
1804 dict_insert(irc_func_dict, "404", cmd_dummy); /* cannot send to channel */
1805 dict_insert(irc_func_dict, "439", cmd_dummy); /* target change too fast */
1806 dict_insert(irc_func_dict, "441", cmd_dummy); /* target isn't on that channel */
1807 dict_insert(irc_func_dict, "442", cmd_dummy); /* you aren't on that channel */
1808 dict_insert(irc_func_dict, "443", cmd_dummy); /* is already on channel (after invite?) */
1809 dict_insert(irc_func_dict, "461", cmd_dummy); /* Not enough parameters (after TOPIC w/ 0 args) */
1810 dict_insert(irc_func_dict, "467", cmd_dummy); /* Channel key already set */
1812 num_privmsg_funcs = 16;
1813 privmsg_funcs = malloc(sizeof(privmsg_func_t)*num_privmsg_funcs);
1814 memset(privmsg_funcs, 0, sizeof(privmsg_func_t)*num_privmsg_funcs);
1816 num_notice_funcs = 16;
1817 notice_funcs = malloc(sizeof(privmsg_func_t)*num_notice_funcs);
1818 memset(notice_funcs, 0, sizeof(privmsg_func_t)*num_notice_funcs);
1820 userList_init(&dead_users);
1821 reg_del_channel_func(remove_unbursted_channel);
1822 reg_exit_func(parse_cleanup);
1826 parse_line(char *line, int recursive)
1828 char *argv[MAXNUMPARAMS], *origin;
1829 int argc, cmd, res=0;
1832 argc = split_line(line, true, MAXNUMPARAMS, argv);
1833 cmd = self->uplink || !argv[0][1] || !argv[0][2];
1836 if (argv[0][0] == ':') {
1838 } else if (!argv[0][1] || !argv[0][2]) {
1839 struct server *sNode = GetServerN(argv[0]);
1840 origin = sNode ? sNode->name : 0;
1842 struct userNode *uNode = GetUserN(argv[0]);
1843 origin = uNode ? uNode->nick : 0;
1847 if ((func = dict_find(irc_func_dict, argv[cmd], NULL)))
1848 res = func(origin, argc-cmd, argv+cmd);
1851 log_module(MAIN_LOG, LOG_ERROR, "PARSE ERROR on line: %s", unsplit_string(argv, argc, NULL));
1852 } else if (!recursive) {
1854 for (i=0; i<dead_users.used; i++)
1855 free_user(dead_users.list[i]);
1856 dead_users.used = 0;
1862 parse_foreach(char *target_list, foreach_chanfunc cf, foreach_nonchan nc, foreach_userfunc uf, foreach_nonuser nu, void *data)
1868 while (*j != 0 && *j != ',')
1873 if (IsChannelName(target_list)
1874 || (target_list[0] == '0' && target_list[1] == '\0')) {
1875 struct chanNode *chan = GetChannel(target_list);
1882 nc(target_list, data);
1885 struct userNode *user;
1886 struct privmsg_desc *pd = data;
1888 pd->is_qualified = 0;
1889 if (*target_list == '@') {
1891 } else if (strchr(target_list, '@')) {
1892 struct server *server;
1894 pd->is_qualified = 1;
1895 user = GetUserH(strtok(target_list, "@"));
1896 server = GetServerH(strtok(NULL, "@"));
1898 if (user && (user->uplink != server)) {
1899 /* Don't attempt to index into any arrays
1900 using a user's numeric on another server. */
1904 user = GetUserN(target_list);
1912 nu(target_list, data);
1916 } while (old == ',');
1920 get_local_numeric(void)
1922 static unsigned int next_numeric = 0;
1923 if (self->clients > self->num_mask)
1925 while (self->users[next_numeric])
1926 if (++next_numeric > self->num_mask)
1928 return next_numeric;
1932 make_numeric(struct server *svr, int local_num, char *outbuf)
1936 if (force_n2k || svr->numeric[1]) {
1941 llen = (local_num < 64*64) ? 2 : 3;
1943 strncpy(outbuf, svr->numeric, slen);
1944 inttobase64(outbuf+slen, local_num, llen);
1945 outbuf[slen+llen] = 0;
1949 AddServer(struct server *uplink, const char *name, int hops, unsigned long boot, unsigned long link_time, const char *numeric, const char *description)
1951 struct server* sNode;
1954 if ((sNode = GetServerN(numeric))) {
1955 /* This means we're trying to re-add an existant server.
1956 * To be safe, we should forget the previous incarnation.
1957 * (And all its linked servers.)
1959 * It usually only happens in replays when the original
1960 * had a ping timeout and the replay didn't (because
1961 * replaying a ping timeout invariably gets things wrong).
1963 DelServer(sNode, 0, NULL);
1966 switch (strlen(numeric)) {
1967 case 5: slen = 2; mlen = 3; break;
1968 case 4: slen = 1; mlen = 3; break;
1969 case 3: slen = 1; mlen = 2; break;
1971 log_module(MAIN_LOG, LOG_ERROR, "AddServer(\"%s\", \"%s\", ...): Numeric %s has invalid length.", uplink->name, name, numeric);
1975 sNode = calloc(1, sizeof(*sNode));
1976 sNode->uplink = uplink;
1977 safestrncpy(sNode->name, name, sizeof(sNode->name));
1978 sNode->num_mask = base64toint(numeric+slen, mlen);
1981 sNode->link_time = link_time;
1982 strncpy(sNode->numeric, numeric, slen);
1983 safestrncpy(sNode->description, description, sizeof(sNode->description));
1984 sNode->users = calloc(sNode->num_mask+1, sizeof(*sNode->users));
1985 serverList_init(&sNode->children);
1986 if (sNode->uplink) {
1987 /* uplink may be NULL if we're just building ourself */
1988 serverList_append(&sNode->uplink->children, sNode);
1990 servers_num[base64toint(numeric, slen)] = sNode;
1991 dict_insert(servers, sNode->name, sNode);
1995 void DelServer(struct server* serv, int announce, const char *message)
1999 /* If we receive an ERROR command before the SERVER
2000 * command a NULL server can be passed */
2004 /* Hrm, what's the right way to SQUIT some other server?
2005 * (This code is only to handle killing juped servers.) */
2006 if (announce && (serv->uplink == self) && (serv != self->uplink))
2007 irc_squit(serv, message, NULL);
2009 /* must recursively remove servers linked to this one first */
2010 for (i=serv->children.used;i>0;)
2011 if (serv->children.list[--i] != self)
2012 DelServer(serv->children.list[i], false, NULL);
2014 /* clean up server's user hash tables */
2015 for (i=0;i<=serv->num_mask;i++)
2017 DelUser(serv->users[i], NULL, false, "server delinked");
2021 serverList_remove(&serv->uplink->children, serv);
2022 if (serv == self->uplink)
2023 self->uplink = NULL;
2024 servers_num[base64toint(serv->numeric, strlen(serv->numeric))] = NULL;
2025 dict_remove(servers, serv->name);
2026 serverList_clean(&serv->children);
2032 AddLocalUser(const char *nick, const char *ident, const char *hostname, const char *desc, const char *modes)
2034 char numeric[COMBO_NUMERIC_LEN+1];
2035 int local_num = get_local_numeric();
2036 unsigned long timestamp = now;
2037 struct userNode *old_user = GetUserH(nick);
2042 if (IsLocal(old_user))
2044 timestamp = old_user->timestamp - 1;
2046 if (local_num == -1) {
2047 log_module(MAIN_LOG, LOG_ERROR, "Unable to allocate numnick for service %s", nick);
2051 hostname = self->name;
2052 make_numeric(self, local_num, numeric);
2053 return AddUser(self, nick, ident, hostname, modes, numeric, desc, now, "AAAAAA");
2057 AddClone(const char *nick, const char *ident, const char *hostname, const char *desc)
2059 char numeric[COMBO_NUMERIC_LEN+1];
2060 int local_num = get_local_numeric();
2061 unsigned long timestamp = now;
2062 struct userNode *old_user = GetUserH(nick);
2065 if (IsLocal(old_user))
2067 timestamp = old_user->timestamp - 1;
2069 if (local_num == -1) {
2070 log_module(MAIN_LOG, LOG_ERROR, "Unable to allocate numnick for clone %s", nick);
2073 make_numeric(self, local_num, numeric);
2074 return AddUser(self, nick, ident, hostname, "+i", numeric, desc, timestamp, "AAAAAA");
2078 is_valid_nick(const char *nick) {
2080 /* IRC has some of The Most Fucked-Up ideas about character sets
2082 if (!isalpha(*nick) && !strchr("{|}~[\\]^_`", *nick))
2084 for (ii = 0; nick[ii]; ++ii)
2085 if (!isalnum(nick[ii]) && !strchr("{|}~[\\]^-_`", nick[ii]))
2087 if (strlen(nick) > nicklen)
2092 static struct userNode*
2093 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)
2095 struct userNode *oldUser, *uNode;
2096 unsigned int n, ignore_user, dummy;
2098 if ((strlen(numeric) < 3) || (strlen(numeric) > 5)) {
2099 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): numeric %s wrong length!", (void*)uplink, nick, numeric);
2104 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server for numeric %s doesn't exist!", (void*)uplink, nick, numeric);
2108 if (uplink != GetServerN(numeric)) {
2109 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server for numeric %s differs from nominal uplink %s.", (void*)uplink, nick, numeric, uplink->name);
2113 dummy = modes && modes[0] == '*';
2116 } else if (!is_valid_nick(nick)) {
2117 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): invalid nickname detected.", (void*)uplink, nick);
2122 if ((oldUser = GetUserH(nick))) {
2123 if (IsLocal(oldUser)
2124 && (IsService(oldUser) || IsPersistent(oldUser))) {
2125 /* The service should collide the new user off - but not
2126 * if the new user is coming in during a burst. (During a
2127 * burst, the bursting server will kill either our user --
2128 * triggering a ReintroduceUser() -- or its own.)
2130 oldUser->timestamp = timestamp - 1;
2134 } else if (oldUser->timestamp > timestamp) {
2135 /* "Old" user is really newer; remove them. */
2136 DelUser(oldUser, 0, 1, "Overruled by older nick");
2138 /* User being added is too new; do not add them to
2139 * clients, but do add them to the server's list, since it
2140 * will send a KILL and QUIT soon. */
2145 /* create new usernode and set all values */
2146 uNode = calloc(1, sizeof(*uNode));
2147 uNode->nick = strdup(nick);
2148 safestrncpy(uNode->ident, ident, sizeof(uNode->ident));
2149 safestrncpy(uNode->info, userinfo, sizeof(uNode->info));
2150 safestrncpy(uNode->hostname, hostname, sizeof(uNode->hostname));
2151 safestrncpy(uNode->numeric, numeric, sizeof(uNode->numeric));
2152 irc_p10_pton(&uNode->ip, realip);
2153 uNode->timestamp = timestamp;
2154 uNode->idle_since = timestamp;
2155 modeList_init(&uNode->channels);
2156 uNode->uplink = uplink;
2157 if (++uNode->uplink->clients > uNode->uplink->max_clients) {
2158 uNode->uplink->max_clients = uNode->uplink->clients;
2160 uNode->num_local = base64toint(numeric+strlen(uNode->uplink->numeric), 3) & uNode->uplink->num_mask;
2161 uNode->uplink->users[uNode->num_local] = uNode;
2162 mod_usermode(uNode, modes);
2164 uNode->modes |= FLAGS_DUMMY;
2168 dict_insert(clients, uNode->nick, uNode);
2169 if (dict_size(clients) > max_clients) {
2170 max_clients = dict_size(clients);
2171 max_clients_time = now;
2175 for (n=0; (n<nuf_used) && !uNode->dead; n++)
2180 /* removes user from it's server's hash table and nick hash table */
2182 DelUser(struct userNode* user, struct userNode *killer, int announce, const char *why)
2188 /* mark them as dead, in case anybody cares */
2191 /* remove user from all channels */
2192 while (user->channels.used > 0)
2193 DelChannelUser(user, user->channels.list[user->channels.used-1]->channel, NULL, false);
2195 /* Call these in reverse order so ChanServ can update presence
2196 information before NickServ nukes the handle_info. */
2197 for (n = duf_used; n > 0; )
2198 duf_list[--n](user, killer, why);
2200 user->uplink->clients--;
2201 user->uplink->users[user->num_local] = NULL;
2203 userList_remove(&curr_opers, user);
2204 /* remove from global dictionary, but not if after a collide */
2205 if (user == dict_find(clients, user->nick, NULL))
2206 dict_remove(clients, user->nick);
2208 if (IsInvisible(user))
2213 irc_quit(user, why);
2215 irc_kill(killer, user, why);
2218 if (IsLocal(user)) {
2219 unsigned int num = user->num_local;
2220 if (num < num_privmsg_funcs)
2221 privmsg_funcs[num] = NULL;
2222 if (num < num_notice_funcs)
2223 notice_funcs[num] = NULL;
2226 modeList_clean(&user->channels);
2227 /* We don't free them, in case we try to privmsg them or something
2228 * (like when a stupid oper kills themself). We just put them onto
2229 * a list of clients that get freed after processing each line.
2231 if (dead_users.size)
2232 userList_append(&dead_users, user);
2237 static void call_oper_funcs(struct userNode *user);
2239 void mod_usermode(struct userNode *user, const char *mode_change) {
2241 const char *word = mode_change;
2243 if (!user || !mode_change)
2245 while (*word != ' ' && *word) word++;
2246 while (*word == ' ') word++;
2248 #define do_user_mode(FLAG) do { if (add) user->modes |= FLAG; else user->modes &= ~FLAG; } while (0)
2249 switch (*mode_change++) {
2250 case 0: case ' ': return;
2251 case '+': add = 1; break;
2252 case '-': add = 0; break;
2254 do_user_mode(FLAGS_OPER);
2256 userList_remove(&curr_opers, user);
2257 } else if (!userList_contains(&curr_opers, user)) {
2258 userList_append(&curr_opers, user);
2259 call_oper_funcs(user);
2262 case 'i': do_user_mode(FLAGS_INVISIBLE);
2268 case 'w': do_user_mode(FLAGS_WALLOP); break;
2269 case 'd': do_user_mode(FLAGS_DEAF); break;
2270 case 'k': do_user_mode(FLAGS_SERVICE); break;
2271 case 'g': do_user_mode(FLAGS_GLOBAL); break;
2272 case 'n': do_user_mode(FLAGS_NOCHAN); break;
2273 case 'I': do_user_mode(FLAGS_NOIDLE); break;
2274 case 'x': do_user_mode(FLAGS_HIDDEN_HOST); break;
2280 unsigned long ts = 0;
2281 unsigned long id = 0;
2283 for (ii=0; (*word != ' ') && (*word != '\0') && (*word != ':'); )
2284 tag[ii++] = *word++;
2286 ts = strtoul(word + 1, &sep, 10);
2288 id = strtoul(sep + 1, &sep, 10);
2289 } else if (*sep != ' ' && *sep != '\0') {
2295 while (*word == ' ')
2297 call_account_func(user, tag, ts, id);
2304 for (ii=0; (*word != ' ') && (*word != '\0'); )
2305 host[ii++] = *word++;
2307 while (*word == ' ')
2309 assign_fakehost(user, host, 0);
2318 keyncpy(char output[], char input[], size_t output_size)
2322 if (input[0] == ':')
2328 for (ii = 0; (ii + 1 < output_size) && (input[ii] != '\0'); ++ii)
2330 output[ii] = input[ii];
2337 struct mod_chanmode *
2338 mod_chanmode_parse(struct chanNode *channel, char **modes, unsigned int argc, unsigned int flags, short base_oplevel)
2340 struct mod_chanmode *change;
2341 unsigned int ii, in_arg, ch_arg, add;
2345 if (!(change = mod_chanmode_alloc(argc - 1)))
2348 for (ii = ch_arg = 0, in_arg = add = 1;
2349 (modes[0][ii] != '\0') && (modes[0][ii] != ' ');
2351 switch (modes[0][ii]) {
2358 #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)
2359 case 'C': do_chan_mode(MODE_NOCTCPS); break;
2360 case 'D': do_chan_mode(MODE_DELAYJOINS); break;
2361 case 'c': do_chan_mode(MODE_NOCOLORS); break;
2362 case 'i': do_chan_mode(MODE_INVITEONLY); break;
2363 case 'm': do_chan_mode(MODE_MODERATED); break;
2364 case 'n': do_chan_mode(MODE_NOPRIVMSGS); break;
2365 case 'p': do_chan_mode(MODE_PRIVATE); break;
2366 case 'r': do_chan_mode(MODE_REGONLY); break;
2367 case 's': do_chan_mode(MODE_SECRET); break;
2368 case 't': do_chan_mode(MODE_TOPICLIMIT); break;
2370 if (!(flags & MCP_REGISTERED)) {
2371 do_chan_mode(MODE_REGISTERED);
2373 mod_chanmode_free(change);
2382 change->modes_set |= MODE_LIMIT;
2383 change->new_limit = atoi(modes[in_arg++]);
2385 change->modes_set &= ~MODE_LIMIT;
2386 change->modes_clear |= MODE_LIMIT;
2391 if ((in_arg >= argc)
2392 || keyncpy(change->new_key, modes[in_arg++], sizeof(change->new_key)))
2394 change->modes_set |= MODE_KEY;
2396 change->modes_clear |= MODE_KEY;
2397 if (!(flags & MCP_KEY_FREE)) {
2407 if ((in_arg >= argc)
2408 || keyncpy(change->new_upass, modes[in_arg++], sizeof(change->new_upass)))
2410 change->modes_set |= MODE_UPASS;
2412 change->modes_clear |= MODE_UPASS;
2413 if (!(flags & MCP_UPASS_FREE)) {
2422 if ((in_arg >= argc)
2423 || keyncpy(change->new_apass, modes[in_arg++], sizeof(change->new_apass)))
2425 change->modes_set |= MODE_APASS;
2427 change->modes_clear |= MODE_APASS;
2428 if (!(flags & MCP_APASS_FREE)) {
2436 if (!(flags & MCP_ALLOW_OVB))
2440 change->args[ch_arg].mode = MODE_BAN;
2442 change->args[ch_arg].mode |= MODE_REMOVE;
2443 change->args[ch_arg++].u.hostmask = modes[in_arg++];
2447 struct userNode *victim;
2453 oplevel_str = strchr(modes[in_arg], ':');
2456 /* XXYYY M #channel +o XXYYY:<oplevel> */
2457 *oplevel_str++ = '\0';
2458 oplevel = parse_oplevel(oplevel_str);
2459 if (oplevel <= base_oplevel && !(flags & MCP_FROM_SERVER))
2460 oplevel = base_oplevel + 1;
2462 else if (channel->modes & MODE_UPASS)
2463 oplevel = base_oplevel + 1;
2465 oplevel = MAXOPLEVEL;
2467 /* Check that oplevel is within bounds. */
2468 if (oplevel > MAXOPLEVEL)
2469 oplevel = MAXOPLEVEL;
2471 if (!(flags & MCP_ALLOW_OVB))
2475 change->args[ch_arg].mode = (modes[0][ii] == 'o') ? MODE_CHANOP : MODE_VOICE;
2477 change->args[ch_arg].mode |= MODE_REMOVE;
2478 if (flags & MCP_FROM_SERVER)
2479 victim = GetUserN(modes[in_arg++]);
2481 victim = GetUserH(modes[in_arg++]);
2484 if ((change->args[ch_arg].u.member = GetUserMode(channel, victim)))
2486 /* Apply the oplevel change if the user is being (de-)opped */
2487 if (modes[0][ii] == 'o')
2488 change->args[ch_arg].u.member->oplevel = oplevel;
2494 if (!(flags & MCP_FROM_SERVER))
2499 change->argc = ch_arg; /* in case any turned out to be ignored */
2500 if (change->modes_set & MODE_SECRET) {
2501 change->modes_set &= ~(MODE_PRIVATE);
2502 change->modes_clear |= MODE_PRIVATE;
2503 } else if (change->modes_set & MODE_PRIVATE) {
2504 change->modes_set &= ~(MODE_SECRET);
2505 change->modes_clear |= MODE_SECRET;
2509 mod_chanmode_free(change);
2513 struct chanmode_buffer {
2516 struct chanNode *channel;
2517 struct userNode *actor;
2518 unsigned int modes_used;
2519 unsigned int args_used;
2521 unsigned int is_add : 1;
2522 unsigned int is_chanop : 1;
2526 mod_chanmode_append(struct chanmode_buffer *buf, char ch, const char *arg)
2528 size_t arg_len = strlen(arg);
2529 if (buf->modes_used > (MAXMODEPARAMS) ||
2530 buf->modes_used + buf->args_used + buf->chname_len + arg_len > 450) {
2531 memcpy(buf->modes + buf->modes_used, buf->args, buf->args_used);
2532 buf->modes[buf->modes_used + buf->args_used] = '\0';
2533 irc_mode((buf->is_chanop ? buf->actor : NULL), buf->channel, buf->modes);
2534 buf->modes[0] = buf->is_add ? '+' : '-';
2535 buf->modes_used = 1;
2538 buf->modes[buf->modes_used++] = ch;
2539 buf->args[buf->args_used++] = ' ';
2540 memcpy(buf->args + buf->args_used, arg, arg_len);
2541 buf->args_used += arg_len;
2545 mod_chanmode_announce(struct userNode *who, struct chanNode *channel, struct mod_chanmode *change)
2547 struct chanmode_buffer chbuf;
2549 struct modeNode *mn;
2550 char int_buff[32], mode = '\0';
2552 assert(change->argc <= change->alloc_argc);
2553 memset(&chbuf, 0, sizeof(chbuf));
2554 chbuf.channel = channel;
2556 chbuf.chname_len = strlen(channel->name);
2558 mn = GetUserMode(channel, who);
2559 if ((mn && (mn->modes & MODE_CHANOP)) || off_channel)
2560 chbuf.is_chanop = 1;
2562 /* First remove modes */
2564 if (change->modes_clear) {
2566 chbuf.modes[chbuf.modes_used++] = mode = '-';
2567 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR
2568 DO_MODE_CHAR(PRIVATE, 'p');
2569 DO_MODE_CHAR(SECRET, 's');
2570 DO_MODE_CHAR(MODERATED, 'm');
2571 DO_MODE_CHAR(TOPICLIMIT, 't');
2572 DO_MODE_CHAR(INVITEONLY, 'i');
2573 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2574 DO_MODE_CHAR(LIMIT, 'l');
2575 DO_MODE_CHAR(DELAYJOINS, 'D');
2576 DO_MODE_CHAR(REGONLY, 'r');
2577 DO_MODE_CHAR(NOCOLORS, 'c');
2578 DO_MODE_CHAR(NOCTCPS, 'C');
2579 DO_MODE_CHAR(REGISTERED, 'z');
2581 if (change->modes_clear & channel->modes & MODE_KEY)
2582 mod_chanmode_append(&chbuf, 'k', channel->key);
2583 if (change->modes_clear & channel->modes & MODE_UPASS)
2584 mod_chanmode_append(&chbuf, 'U', channel->upass);
2585 if (change->modes_clear & channel->modes & MODE_APASS)
2586 mod_chanmode_append(&chbuf, 'A', channel->apass);
2588 for (arg = 0; arg < change->argc; ++arg) {
2589 if (!(change->args[arg].mode & MODE_REMOVE))
2592 chbuf.modes[chbuf.modes_used++] = mode = '-';
2593 switch (change->args[arg].mode & ~MODE_REMOVE) {
2595 mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask);
2598 if (change->args[arg].mode & MODE_CHANOP)
2599 mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->numeric);
2600 if (change->args[arg].mode & MODE_VOICE)
2601 mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->numeric);
2608 if (change->modes_set) {
2610 chbuf.modes[chbuf.modes_used++] = mode = '+';
2611 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR
2612 DO_MODE_CHAR(PRIVATE, 'p');
2613 DO_MODE_CHAR(SECRET, 's');
2614 DO_MODE_CHAR(MODERATED, 'm');
2615 DO_MODE_CHAR(TOPICLIMIT, 't');
2616 DO_MODE_CHAR(INVITEONLY, 'i');
2617 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2618 DO_MODE_CHAR(DELAYJOINS, 'D');
2619 DO_MODE_CHAR(REGONLY, 'r');
2620 DO_MODE_CHAR(NOCOLORS, 'c');
2621 DO_MODE_CHAR(NOCTCPS, 'C');
2622 DO_MODE_CHAR(REGISTERED, 'z');
2624 if(change->modes_set & MODE_KEY)
2625 mod_chanmode_append(&chbuf, 'k', change->new_key);
2626 if (change->modes_set & MODE_UPASS)
2627 mod_chanmode_append(&chbuf, 'U', change->new_upass);
2628 if (change->modes_set & MODE_APASS)
2629 mod_chanmode_append(&chbuf, 'A', change->new_apass);
2630 if(change->modes_set & MODE_LIMIT) {
2631 sprintf(int_buff, "%d", change->new_limit);
2632 mod_chanmode_append(&chbuf, 'l', int_buff);
2635 for (arg = 0; arg < change->argc; ++arg) {
2636 if (change->args[arg].mode & MODE_REMOVE)
2639 chbuf.modes[chbuf.modes_used++] = mode = '+';
2640 switch (change->args[arg].mode) {
2642 mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask);
2645 if (change->args[arg].mode & MODE_CHANOP)
2646 mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->numeric);
2647 if (change->args[arg].mode & MODE_VOICE)
2648 mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->numeric);
2653 /* Flush the buffer and apply changes locally */
2654 if (chbuf.modes_used > 0) {
2655 memcpy(chbuf.modes + chbuf.modes_used, chbuf.args, chbuf.args_used);
2656 chbuf.modes[chbuf.modes_used + chbuf.args_used] = '\0';
2657 irc_mode((chbuf.is_chanop ? chbuf.actor : NULL), chbuf.channel, chbuf.modes);
2659 mod_chanmode_apply(who, channel, change);
2663 mod_chanmode_format(struct mod_chanmode *change, char *outbuff)
2665 unsigned int used = 0;
2666 assert(change->argc <= change->alloc_argc);
2667 if (change->modes_clear) {
2668 outbuff[used++] = '-';
2669 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) outbuff[used++] = CHAR
2670 DO_MODE_CHAR(PRIVATE, 'p');
2671 DO_MODE_CHAR(SECRET, 's');
2672 DO_MODE_CHAR(MODERATED, 'm');
2673 DO_MODE_CHAR(TOPICLIMIT, 't');
2674 DO_MODE_CHAR(INVITEONLY, 'i');
2675 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2676 DO_MODE_CHAR(LIMIT, 'l');
2677 DO_MODE_CHAR(KEY, 'k');
2678 DO_MODE_CHAR(UPASS, 'U');
2679 DO_MODE_CHAR(APASS, 'A');
2680 DO_MODE_CHAR(DELAYJOINS, 'D');
2681 DO_MODE_CHAR(REGONLY, 'r');
2682 DO_MODE_CHAR(NOCOLORS, 'c');
2683 DO_MODE_CHAR(NOCTCPS, 'C');
2684 DO_MODE_CHAR(REGISTERED, 'z');
2687 if (change->modes_set) {
2688 outbuff[used++] = '+';
2689 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) outbuff[used++] = CHAR
2690 DO_MODE_CHAR(PRIVATE, 'p');
2691 DO_MODE_CHAR(SECRET, 's');
2692 DO_MODE_CHAR(MODERATED, 'm');
2693 DO_MODE_CHAR(TOPICLIMIT, 't');
2694 DO_MODE_CHAR(INVITEONLY, 'i');
2695 DO_MODE_CHAR(NOPRIVMSGS, 'n');
2696 DO_MODE_CHAR(DELAYJOINS, 'D');
2697 DO_MODE_CHAR(REGONLY, 'r');
2698 DO_MODE_CHAR(NOCOLORS, 'c');
2699 DO_MODE_CHAR(NOCTCPS, 'C');
2700 DO_MODE_CHAR(REGISTERED, 'z');
2702 switch (change->modes_set & (MODE_KEY|MODE_LIMIT|MODE_APASS|MODE_UPASS)) {
2703 /* Doing this implementation has been a pain in the arse, I hope I didn't forget a possible combination */
2704 case MODE_KEY|MODE_LIMIT|MODE_APASS|MODE_UPASS:
2705 used += sprintf(outbuff+used, "lkAU %d %s %s %s", change->new_limit, change->new_key, change->new_apass, change->new_upass);
2708 case MODE_KEY|MODE_LIMIT|MODE_APASS:
2709 used += sprintf(outbuff+used, "lkA %d %s %s", change->new_limit, change->new_key, change->new_apass);
2711 case MODE_KEY|MODE_LIMIT|MODE_UPASS:
2712 used += sprintf(outbuff+used, "lkU %d %s %s", change->new_limit, change->new_key, change->new_upass);
2714 case MODE_KEY|MODE_APASS|MODE_UPASS:
2715 used += sprintf(outbuff+used, "kAU %s %s %s", change->new_key, change->new_apass, change->new_upass);
2718 case MODE_KEY|MODE_APASS:
2719 used += sprintf(outbuff+used, "kA %s %s", change->new_key, change->new_apass);
2721 case MODE_KEY|MODE_UPASS:
2722 used += sprintf(outbuff+used, "kU %s %s", change->new_key, change->new_upass);
2724 case MODE_KEY|MODE_LIMIT:
2725 used += sprintf(outbuff+used, "lk %d %s", change->new_limit, change->new_key);
2727 case MODE_LIMIT|MODE_UPASS:
2728 used += sprintf(outbuff+used, "lU %d %s", change->new_limit, change->new_upass);
2730 case MODE_LIMIT|MODE_APASS:
2731 used += sprintf(outbuff+used, "lA %d %s", change->new_limit, change->new_apass);
2733 case MODE_APASS|MODE_UPASS:
2734 used += sprintf(outbuff+used, "AU %s %s", change->new_apass, change->new_upass);
2737 case MODE_LIMIT|MODE_APASS|MODE_UPASS:
2738 used += sprintf(outbuff+used, "lAU %d %s %s", change->new_limit, change->new_apass, change->new_upass);
2742 used += sprintf(outbuff+used, "A %s", change->new_apass);
2745 used += sprintf(outbuff+used, "U %s", change->new_upass);
2748 used += sprintf(outbuff+used, "k %s", change->new_key);
2751 used += sprintf(outbuff+used, "l %d", change->new_limit);
2760 clear_chanmode(struct chanNode *channel, const char *modes)
2762 unsigned int cleared;
2764 for (cleared = 0; *modes; modes++) {
2766 case 'o': cleared |= MODE_CHANOP; break;
2767 case 'v': cleared |= MODE_VOICE; break;
2768 case 'p': cleared |= MODE_PRIVATE; break;
2769 case 's': cleared |= MODE_SECRET; break;
2770 case 'm': cleared |= MODE_MODERATED; break;
2771 case 't': cleared |= MODE_TOPICLIMIT; break;
2772 case 'i': cleared |= MODE_INVITEONLY; break;
2773 case 'n': cleared |= MODE_NOPRIVMSGS; break;
2775 cleared |= MODE_KEY;
2776 channel->key[0] = '\0';
2779 cleared |= MODE_APASS;
2780 channel->apass[0] = '\0';
2783 cleared |= MODE_UPASS;
2784 channel->upass[0] = '\0';
2787 cleared |= MODE_LIMIT;
2790 case 'b': cleared |= MODE_BAN; break;
2791 case 'D': cleared |= MODE_DELAYJOINS; break;
2792 case 'r': cleared |= MODE_REGONLY; break;
2793 case 'c': cleared |= MODE_NOCOLORS; break;
2794 case 'C': cleared |= MODE_NOCTCPS; break;
2795 case 'z': cleared |= MODE_REGISTERED; break;
2802 /* Remove simple modes. */
2803 channel->modes &= ~cleared;
2805 /* If removing bans, kill 'em all. */
2806 if ((cleared & MODE_BAN) && channel->banlist.used) {
2808 for (i=0; i<channel->banlist.used; i++)
2809 free(channel->banlist.list[i]);
2810 channel->banlist.used = 0;
2813 /* Remove member modes. */
2814 if ((cleared & (MODE_CHANOP | MODE_VOICE)) && channel->members.used) {
2815 int mask = ~(cleared & (MODE_CHANOP | MODE_VOICE));
2818 for (i = 0; i < channel->members.used; i++)
2819 channel->members.list[i]->modes &= mask;
2826 reg_privmsg_func(struct userNode *user, privmsg_func_t handler)
2828 unsigned int numeric = user->num_local;
2829 if (numeric >= num_privmsg_funcs) {
2830 int newnum = numeric + 8, ii;
2831 privmsg_funcs = realloc(privmsg_funcs, newnum*sizeof(privmsg_func_t));
2832 for (ii = num_privmsg_funcs; ii < newnum; ++ii)
2833 privmsg_funcs[ii] = NULL;
2834 num_privmsg_funcs = newnum;
2836 if (privmsg_funcs[numeric])
2837 log_module(MAIN_LOG, LOG_WARNING, "re-registering new privmsg handler for numeric %d", numeric);
2838 privmsg_funcs[numeric] = handler;
2842 unreg_privmsg_func(struct userNode *user)
2844 if (!IsLocal(user) || user->num_local >= num_privmsg_funcs)
2845 return; /* this really only works with users */
2847 privmsg_funcs[user->num_local] = NULL;
2852 reg_notice_func(struct userNode *user, privmsg_func_t handler)
2854 unsigned int numeric = user->num_local;
2855 if (numeric >= num_notice_funcs) {
2856 int newnum = numeric + 8, ii;
2857 notice_funcs = realloc(notice_funcs, newnum*sizeof(privmsg_func_t));
2858 for (ii = num_privmsg_funcs; ii < newnum; ++ii)
2859 privmsg_funcs[ii] = NULL;
2860 num_notice_funcs = newnum;
2862 if (notice_funcs[numeric])
2863 log_module(MAIN_LOG, LOG_WARNING, "re-registering new notice handler for numeric %d", numeric);
2864 notice_funcs[numeric] = handler;
2868 unreg_notice_func(struct userNode *user)
2870 if (!IsLocal(user) || user->num_local >= num_privmsg_funcs)
2871 return; /* this really only works with users */
2873 notice_funcs[user->num_local] = NULL;
2879 unsigned int i, hop, max_hop=1;
2882 /* burst (juped) servers, closest first (except self, which is sent already) */
2883 for (i=0; i<ArrayLength(servers_num); i++)
2884 if (servers_num[i] && servers_num[i]->hops > max_hop)
2885 max_hop = servers_num[i]->hops;
2886 for (hop=1; hop<=max_hop; hop++) {
2887 for (i=0;i<ArrayLength(servers_num);i++) {
2889 && (servers_num[i]->hops == hop)
2890 && (servers_num[i] != self->uplink))
2891 irc_server(servers_num[i]);
2895 /* burst local nicks */
2896 for (i=0; i<=self->num_mask; i++)
2898 irc_user(self->users[i]);
2900 /* build dict of unbursted channel names (just copy existing channels) */
2901 unbursted_channels = dict_new();
2902 for (it = dict_first(channels); it; it = iter_next(it))
2903 dict_insert(unbursted_channels, iter_key(it), iter_data(it));