1 /* proto-bahamut.c - IRC protocol output
2 * Copyright 2000-2006 srvx Development Team
4 * This file is part of srvx.
6 * srvx is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with srvx; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
21 #include "proto-common.c"
23 #define CAPAB_TS3 0x01
24 #define CAPAB_NOQUIT 0x02
25 #define CAPAB_SSJOIN 0x04
26 #define CAPAB_BURST 0x08
27 #define CAPAB_UNCONNECT 0x10
28 #define CAPAB_NICKIP 0x20
29 #define CAPAB_TSMODE 0x40
30 #define CAPAB_ZIP 0x80
32 struct service_message_info {
33 privmsg_func_t on_privmsg;
34 privmsg_func_t on_notice;
37 static dict_t service_msginfo_dict; /* holds service_message_info structs */
38 static int uplink_capab;
39 static void privmsg_user_helper(struct userNode *un, void *data);
41 /* These correspond to 1 << X: 012345678901234567 */
42 const char irc_user_mode_chars[] = "o iw dkg r ";
44 void irc_svsmode(struct userNode *target, char *modes, unsigned long stamp);
47 AddServer(struct server *uplink, const char *name, int hops, unsigned long boot, unsigned long link_time, UNUSED_ARG(const char *numeric), const char *description) {
50 sNode = calloc(1, sizeof(*sNode));
51 sNode->uplink = uplink;
52 safestrncpy(sNode->name, name, sizeof(sNode->name));
55 sNode->link_time = link_time;
56 sNode->users = dict_new();
57 safestrncpy(sNode->description, description, sizeof(sNode->description));
58 serverList_init(&sNode->children);
60 /* uplink may be NULL if we're just building ourself */
61 serverList_append(&sNode->uplink->children, sNode);
63 dict_insert(servers, sNode->name, sNode);
65 if (hops && !self->burst) {
67 for (n=0; n<slf_used; n++) {
76 DelServer(struct server* serv, int announce, const char *message) {
78 dict_iterator_t it, next;
81 if (announce && (serv->uplink == self) && (serv != self->uplink)) {
82 irc_squit(serv, message, NULL);
84 for (nn=serv->children.used; nn>0;) {
85 if (serv->children.list[--nn] != self) {
86 DelServer(serv->children.list[nn], false, "uplink delinking");
89 for (it=dict_first(serv->users); it; it=next) {
91 DelUser(iter_data(it), NULL, false, "server delinking");
93 if (serv->uplink) serverList_remove(&serv->uplink->children, serv);
94 if (serv == self->uplink) self->uplink = NULL;
95 dict_remove(servers, serv->name);
96 serverList_clean(&serv->children);
97 dict_delete(serv->users);
102 is_valid_nick(const char *nick) {
103 /* IRC has some of The Most Fucked-Up ideas about character sets
105 if ((*nick < 'A') || (*nick >= '~')) return 0;
106 for (++nick; *nick; ++nick) {
107 if (!((*nick >= 'A') && (*nick < '~'))
113 if (strlen(nick) > nicklen) return 0;
118 AddUser(struct server* uplink, const char *nick, const char *ident, const char *hostname, const char *modes, const char *userinfo, unsigned long timestamp, irc_in_addr_t realip, unsigned long stamp) {
119 struct userNode *uNode, *oldUser;
120 unsigned int nn, dummy;
123 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server does not exist!", uplink, nick);
127 dummy = modes && modes[0] == '*';
130 } else if (!is_valid_nick(nick)) {
131 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): invalid nickname detected.", uplink, nick);
135 if ((oldUser = GetUserH(nick))) {
136 if (IsLocal(oldUser) && IsService(oldUser)) {
137 /* The service should collide the new user off. */
138 oldUser->timestamp = timestamp - 1;
141 if (oldUser->timestamp > timestamp) {
142 /* "Old" user is really newer; remove them */
143 DelUser(oldUser, 0, 1, "Overruled by older nick");
145 /* User being added is too new */
150 uNode = calloc(1, sizeof(*uNode));
151 uNode->nick = strdup(nick);
152 safestrncpy(uNode->ident, ident, sizeof(uNode->ident));
153 safestrncpy(uNode->info, userinfo, sizeof(uNode->info));
154 safestrncpy(uNode->hostname, hostname, sizeof(uNode->hostname));
156 uNode->timestamp = timestamp;
157 modeList_init(&uNode->channels);
158 uNode->uplink = uplink;
159 dict_insert(uplink->users, uNode->nick, uNode);
160 if (++uNode->uplink->clients > uNode->uplink->max_clients) {
161 uNode->uplink->max_clients = uNode->uplink->clients;
164 dict_insert(clients, uNode->nick, uNode);
165 if (dict_size(clients) > max_clients) {
166 max_clients = dict_size(clients);
167 max_clients_time = now;
170 mod_usermode(uNode, modes);
171 if (dummy) uNode->modes |= FLAGS_DUMMY;
172 if (stamp) call_account_func(uNode, NULL, 0, stamp);
173 if (IsLocal(uNode)) irc_user(uNode);
174 for (nn=0; (nn<nuf_used) && !uNode->dead; nn++)
180 AddLocalUser(const char *nick, const char *ident, const char *hostname, const char *desc, const char *modes)
182 unsigned long timestamp = now;
183 struct userNode *old_user = GetUserH(nick);
184 static const irc_in_addr_t ipaddr;
189 if (IsLocal(old_user))
191 timestamp = old_user->timestamp - 1;
194 hostname = self->name;
195 return AddUser(self, nick, ident, hostname, modes, desc, timestamp, ipaddr, 0);
199 free_user(struct userNode *user)
206 DelUser(struct userNode* user, struct userNode *killer, int announce, const char *why) {
209 for (nn=user->channels.used; nn>0;) {
210 DelChannelUser(user, user->channels.list[--nn]->channel, NULL, false);
212 for (nn=duf_used; nn>0; ) duf_list[--nn](user, killer, why);
213 user->uplink->clients--;
214 dict_remove(user->uplink->users, user->nick);
215 if (IsOper(user)) userList_remove(&curr_opers, user);
216 if (IsInvisible(user)) invis_clients--;
217 if (user == dict_find(clients, user->nick, NULL)) dict_remove(clients, user->nick);
222 irc_kill(killer, user, why);
225 dict_remove(service_msginfo_dict, user->nick);
226 modeList_clean(&user->channels);
228 if (dead_users.size) {
229 userList_append(&dead_users, user);
236 irc_server(struct server *srv) {
238 putsock("SERVER %s %d :%s", srv->name, srv->hops, srv->description);
240 putsock(":%s SERVER %s %d :%s", self->name, srv->name, srv->hops, srv->description);
245 irc_user(struct userNode *user) {
247 if (!user || user->nick[0] != ' ') return;
248 irc_user_modes(user, modes, sizeof(modes));
249 putsock("NICK %s %d %lu +%s %s %s %s %d %u :%s",
250 user->nick, user->uplink->hops+2, (unsigned long)user->timestamp,
251 modes, user->ident, user->hostname, user->uplink->name, 0,
252 ntohl(user->ip.in6_32[3]), user->info);
256 irc_account(struct userNode *user, UNUSED_ARG(const char *stamp), UNUSED_ARG(unsigned long timestamp), unsigned long serial)
258 if (IsReggedNick(user)) {
259 irc_svsmode(user, "+rd", serial);
261 irc_svsmode(user, "+d", serial);
266 irc_fakehost(UNUSED_ARG(struct userNode *user), UNUSED_ARG(const char *host), UNUSED_ARG(const char *ident), UNUSED_ARG(int force))
268 /* not supported in bahamut */
272 irc_regnick(struct userNode *user)
274 if (IsReggedNick(user)) {
275 irc_svsmode(user, "+r", 0);
277 irc_svsmode(user, "-r", 0);
282 irc_nick(struct userNode *user, const char *old_nick) {
283 if (user->uplink == self) {
284 /* update entries in PRIVMSG/NOTICE handlers (if they exist) */
285 struct service_message_info *smi = dict_find(service_msginfo_dict, user->nick, NULL);
287 dict_remove2(service_msginfo_dict, old_nick, 1);
288 dict_insert(service_msginfo_dict, user->nick, smi);
291 putsock(":%s NICK %s :%lu", old_nick, user->nick, (unsigned long)user->timestamp);
295 irc_pass(const char *passwd) {
296 putsock("PASS %s :TS", passwd);
301 putsock("CAPAB TS3 NOQUIT SSJOIN BURST UNCONNECT NICKIP TSMODE");
306 putsock("SVINFO 3 3 0 :%lu", (unsigned long)now);
310 irc_introduce(const char *passwd) {
311 extern unsigned long burst_begin;
319 timeq_add(now + ping_freq, timed_send_ping, 0);
323 irc_ping(const char *something) {
324 putsock("PING :%s", something);
328 irc_pong(const char *who, const char *data) {
329 putsock(":%s PONG %s :%s", self->name, who, data);
333 irc_quit(struct userNode *user, const char *message) {
334 putsock(":%s QUIT :%s", user->nick, message);
338 irc_squit(struct server *srv, const char *message, const char *service_message) {
339 if (!service_message) service_message = message;
340 /* If we're leaving the network, QUIT all our clients. */
341 if ((srv == self) && (cManager.uplink->state == CONNECTED)) {
343 for (it = dict_first(srv->users); it; it = iter_next(it)) {
344 irc_quit(iter_data(it), service_message);
347 putsock(":%s SQUIT %s 0 :%s", self->name, srv->name, message);
349 /* Reconnect to the currently selected server. */
350 cManager.uplink->tries = 0;
351 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", message);
357 deliver_to_dummy(struct userNode *source, struct userNode *dest, const char *message, int type)
359 struct service_message_info *smi;
361 if (!dest || !IsDummy(dest) || !IsLocal(dest))
363 smi = dict_find(service_msginfo_dict, dest->nick, NULL);
366 if (smi && smi->on_privmsg)
368 smi->on_privmsg(source, dest, message, 0);
373 if (smi && smi->on_notice)
375 smi->on_notice(source, dest, message, 0);
384 irc_privmsg(struct userNode *from, const char *to, const char *message) {
385 if (!deliver_to_dummy(from, GetUserH(to), message, 1))
386 putsock(":%s PRIVMSG %s :%s", from->nick, to, message);
390 irc_notice(struct userNode *from, const char *to, const char *message) {
391 if (!deliver_to_dummy(from, GetUserH(to), message, 0))
392 putsock(":%s NOTICE %s :%s", from->nick, to, message);
396 irc_notice_user(struct userNode *from, struct userNode *to, const char *message) {
397 if (!deliver_to_dummy(from, to, message, 0))
398 putsock(":%s NOTICE %s :%s", from->nick, to->nick, message);
402 irc_wallchops(UNUSED_ARG(struct userNode *from), UNUSED_ARG(const char *to), UNUSED_ARG(const char *message)) {
406 irc_join(struct userNode *who, struct chanNode *what) {
407 if (what->members.used == 1) {
408 putsock(":%s SJOIN %lu %s + :@%s", self->name, (unsigned long)what->timestamp, what->name, who->nick);
410 putsock(":%s SJOIN %lu %s", who->nick, (unsigned long)what->timestamp, what->name);
415 irc_invite(struct userNode *from, struct userNode *who, struct chanNode *to) {
416 putsock(":%s INVITE %s %s", from->nick, who->nick, to->name);
420 irc_mode(struct userNode *who, struct chanNode *target, const char *modes) {
421 putsock(":%s MODE %s %lu %s", who->nick, target->name, (unsigned long)target->timestamp, modes);
425 irc_svsmode(struct userNode *target, char *modes, unsigned long stamp) {
426 extern struct userNode *nickserv;
428 putsock(":%s SVSMODE %s %lu %s %lu", nickserv->nick, target->nick, (unsigned long)target->timestamp, modes, stamp);
430 putsock(":%s SVSMODE %s %lu %s", nickserv->nick, target->nick, (unsigned long)target->timestamp, modes);
435 irc_kick(struct userNode *who, struct userNode *target, struct chanNode *from, const char *msg) {
436 putsock(":%s KICK %s %s :%s", who->nick, from->name, target->nick, msg);
437 ChannelUserKicked(who, target, from);
441 irc_part(struct userNode *who, struct chanNode *what, const char *reason) {
443 putsock(":%s PART %s :%s", who->nick, what->name, reason);
445 putsock(":%s PART %s", who->nick, what->name);
450 irc_topic(struct userNode *who, struct chanNode *what, const char *topic) {
451 putsock(":%s TOPIC %s :%s", who->nick, what->name, topic);
455 irc_fetchtopic(struct userNode *from, const char *to) {
456 if (!from || !to) return;
457 putsock(":%s TOPIC %s", from->nick, to);
461 irc_gline(struct server *srv, struct gline *gline) {
462 char host[HOSTLEN+1], ident[USERLEN+1], *sep;
465 log_module(MAIN_LOG, LOG_WARNING, "%s tried to send a targeted G-line for %s (not supported by protocol!)", gline->issuer, gline->target);
468 if (!(sep = strchr(gline->target, '@'))) {
469 log_module(MAIN_LOG, LOG_ERROR, "%s tried to add G-line with bad mask %s", gline->issuer, gline->target);
472 len = sep - gline->target + 1;
473 if (len > ArrayLength(ident)) len = ArrayLength(ident);
474 safestrncpy(ident, gline->target, len);
475 safestrncpy(host, sep+1, ArrayLength(host));
476 putsock(":%s AKILL %s %s %lu %s %lu :%s", self->name, host, ident, (unsigned long)(gline->expires-gline->issued), gline->issuer, (unsigned long)gline->issued, gline->reason);
480 irc_settime(UNUSED_ARG(const char *srv_name_mask), UNUSED_ARG(unsigned long new_time))
482 /* Bahamut has nothing like this, so ignore it. */
486 irc_ungline(const char *mask) {
487 char host[HOSTLEN+1], ident[USERLEN+1], *sep;
489 if (!(sep = strchr(mask, '@'))) {
490 log_module(MAIN_LOG, LOG_ERROR, "Tried to remove G-line with bad mask %s", mask);
493 len = sep - mask + 1;
494 if (len > ArrayLength(ident)) len = ArrayLength(ident);
495 safestrncpy(ident, mask, len);
496 safestrncpy(host, sep+1, ArrayLength(host));
497 putsock(":%s RAKILL %s %s", self->name, host, ident);
501 irc_error(const char *to, const char *message) {
503 putsock("%s ERROR :%s", to, message);
505 putsock(":%s ERROR :%s", self->name, message);
510 irc_kill(struct userNode *from, struct userNode *target, const char *message) {
512 putsock(":%s KILL %s :%s!%s (%s)", from->nick, target->nick, self->name, from->nick, message);
514 putsock(":%s KILL %s :%s (%s)", self->name, target->nick, self->name, message);
519 irc_raw(const char *what) {
524 irc_stats(struct userNode *from, struct server *target, char type) {
525 putsock(":%s STATS %c :%s", from->nick, type, target->name);
529 irc_svsnick(struct userNode *from, struct userNode *target, const char *newnick)
531 putsock(":%s SVSNICK %s %s :%lu", from->nick, target->nick, newnick, (unsigned long)now);
535 irc_numeric(struct userNode *user, unsigned int num, const char *format, ...) {
538 va_start(arg_list, format);
539 vsnprintf(buffer, MAXLEN-2, format, arg_list);
540 buffer[MAXLEN-1] = 0;
541 putsock(":%s %03d %s %s", self->name, num, user->nick, buffer);
545 parse_foreach(char *target_list, foreach_chanfunc cf, foreach_nonchan nc, foreach_userfunc uf, foreach_nonuser nu, void *data) {
549 while (*j != 0 && *j != ',') j++;
552 if (IsChannelName(target_list)) {
553 struct chanNode *chan = GetChannel(target_list);
555 if (cf) cf(chan, data);
557 if (nc) nc(target_list, data);
560 struct userNode *user;
561 struct privmsg_desc *pd = data;
563 pd->is_qualified = 0;
564 if (*target_list == '@') {
566 } else if (strchr(target_list, '@')) {
567 struct server *server;
569 pd->is_qualified = 1;
570 user = GetUserH(strtok(target_list, "@"));
571 server = GetServerH(strtok(NULL, "@"));
573 if (user && (user->uplink != server)) {
574 /* Don't attempt to index into any arrays
575 using a user's numeric on another server. */
579 user = GetUserH(target_list);
583 if (uf) uf(user, data);
585 if (nu) nu(target_list, data);
589 } while (old == ',');
592 static CMD_FUNC(cmd_notice) {
593 struct privmsg_desc pd;
594 if ((argc < 3) || !origin) return 0;
595 if (!(pd.user = GetUserH(origin))) return 1;
596 if (IsGagged(pd.user) && !IsOper(pd.user)) return 1;
599 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
603 static CMD_FUNC(cmd_privmsg) {
604 struct privmsg_desc pd;
605 if ((argc < 3) || !origin) return 0;
606 if (!(pd.user = GetUserH(origin))) return 1;
607 if (IsGagged(pd.user) && !IsOper(pd.user)) return 1;
610 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
614 static CMD_FUNC(cmd_whois) {
615 struct userNode *from;
616 struct userNode *who;
620 if (!(from = GetUserH(origin))) {
621 log_module(MAIN_LOG, LOG_ERROR, "Could not find WHOIS origin user %s", origin);
624 if(!(who = GetUserH(argv[2]))) {
625 irc_numeric(from, ERR_NOSUCHNICK, "%s@%s :No such nick", argv[2], self->name);
628 if (IsHiddenHost(who) && !IsOper(from)) {
629 /* Just stay quiet. */
632 irc_numeric(from, RPL_WHOISUSER, "%s %s %s * :%s", who->nick, who->ident, who->hostname, who->info);
633 #ifdef WITH_PROTOCOL_P10
634 if (his_servername && his_servercomment)
635 irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, his_servername, his_servercomment);
638 irc_numeric(from, RPL_WHOISSERVER, "%s %s :%s", who->nick, who->uplink->name, who->uplink->description);
641 irc_numeric(from, RPL_WHOISOPERATOR, "%s :is a megalomaniacal power hungry tyrant", who->nick);
643 irc_numeric(from, RPL_ENDOFWHOIS, "%s :End of /WHOIS list", who->nick);
647 static CMD_FUNC(cmd_capab) {
648 static const struct {
652 { "TS3", CAPAB_TS3 },
653 { "NOQUIT", CAPAB_NOQUIT },
654 { "SSJOIN", CAPAB_SSJOIN },
655 { "BURST", CAPAB_BURST },
656 { "UNCONNECT", CAPAB_UNCONNECT },
657 { "NICKIP", CAPAB_NICKIP },
658 { "TSMODE", CAPAB_TSMODE },
659 { "ZIP", CAPAB_ZIP },
665 for(nn=1; nn<argc; nn++) {
666 for (mm=0; capabs[mm].name && irccasecmp(capabs[mm].name, argv[nn]); mm++) ;
667 if (capabs[mm].name) {
668 uplink_capab |= capabs[mm].mask;
670 log_module(MAIN_LOG, LOG_INFO, "Saw unrecognized/unhandled capability %s. Please notify srvx developers so they can add it.", argv[nn]);
676 static void burst_channel(struct chanNode *chan) {
678 int pos, base_len, len, queued;
681 if (!chan->members.used) return;
682 /* send list of users in the channel.. */
683 base_len = sprintf(line, ":%s SJOIN %lu %s ", self->name, (unsigned long)chan->timestamp, chan->name);
684 len = irc_make_chanmode(chan, line+base_len);
685 pos = base_len + len;
688 for (nn=0; nn<chan->members.used; nn++) {
689 struct modeNode *mn = chan->members.list[nn];
690 len = strlen(mn->user->nick);
691 if (pos + len > 500) {
699 if (mn->modes & MODE_CHANOP) line[pos++] = '@';
700 if (mn->modes & MODE_VOICE) line[pos++] = '+';
701 memcpy(line+pos, mn->user->nick, len);
705 /* print the last line */
708 /* now send the bans.. */
709 base_len = sprintf(line, ":%s MODE %lu %s +", self->name, (unsigned long)chan->timestamp, chan->name);
710 pos = sizeof(line)-1;
712 for (nn=queued=0; nn<chan->banlist.used; nn++) {
713 struct banNode *bn = chan->banlist.list[nn];
714 len = strlen(bn->ban);
715 if (pos < base_len+queued+len+4) {
720 putsock("%s%s", line, line+pos);
721 pos = sizeof(line)-1;
724 memcpy(line+pos, bn->ban, len);
733 putsock("%s%s", line, line+pos);
737 static void send_burst() {
739 for (it = dict_first(servers); it; it = iter_next(it)) {
740 struct server *serv = iter_data(it);
741 if ((serv != self) && (serv != self->uplink)) irc_server(serv);
744 for (it = dict_first(clients); it; it = iter_next(it)) {
745 irc_user(iter_data(it));
747 for (it = dict_first(channels); it; it = iter_next(it)) {
748 burst_channel(iter_data(it));
750 /* Uplink will do AWAY and TOPIC bursts before sending BURST 0, but we don't */
754 static CMD_FUNC(cmd_server) {
755 if (argc < 4) return 0;
757 AddServer(GetServerH(origin), argv[1], atoi(argv[2]), 0, now, 0, argv[3]);
759 self->uplink = AddServer(self, argv[1], atoi(argv[2]), 0, now, 0, argv[3]);
764 static CMD_FUNC(cmd_svinfo) {
765 if (argc < 5) return 0;
766 if ((atoi(argv[1]) < 3) || (atoi(argv[2]) > 3)) return 0;
767 /* TODO: something with the timestamp we get from the other guy */
772 static CMD_FUNC(cmd_ping)
774 irc_pong(self->name, argc > 1 ? argv[1] : origin);
775 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
776 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
777 timeq_add(now + ping_freq, timed_send_ping, 0);
782 static CMD_FUNC(cmd_burst) {
783 struct server *sender = GetServerH(origin);
784 if (!sender) return 0;
785 if (argc == 1) return 1;
786 if (sender == self->uplink) {
787 cManager.uplink->state = CONNECTED;
789 sender->self_burst = 0;
790 recalc_bursts(sender);
794 static CMD_FUNC(cmd_nick) {
796 if ((un = GetUserH(origin))) {
798 if (argc < 2) return 0;
799 NickChange(un, argv[1], 1);
801 /* new nick from a server */
805 if (argc < 10) return 0;
806 stamp = strtoul(argv[8], NULL, 0);
808 ip.in6_32[3] = htonl(atoi(argv[9]));
809 un = AddUser(GetServerH(argv[7]), argv[1], argv[5], argv[6], argv[4], argv[argc-1], atoi(argv[3]), ip, stamp);
814 static CMD_FUNC(cmd_sjoin) {
815 struct chanNode *cNode;
816 struct userNode *uNode;
817 struct modeNode *mNode;
818 unsigned int next = 4, last;
819 char *nick, *nickend;
821 if ((argc == 3) && (uNode = GetUserH(origin))) {
823 if (!(cNode = GetChannel(argv[2]))) {
824 log_module(MAIN_LOG, LOG_ERROR, "Unable to find SJOIN target %s", argv[2]);
827 AddChannelUser(uNode, cNode);
830 if (argc < 5) return 0;
831 if (argv[3][0] == '+') {
832 char modes[MAXLEN], *pos;
834 for (pos = argv[3], n_modes = 1; *pos; pos++) {
835 if ((*pos == 'k') || (*pos == 'l')) n_modes++;
837 unsplit_string(argv+3, n_modes, modes);
838 cNode = AddChannel(argv[2], atoi(argv[1]), modes, NULL);
839 } else if (argv[3][0] == '0') {
840 cNode = GetChannel(argv[2]);
842 log_module(MAIN_LOG, LOG_ERROR, "Unsure how to handle SJOIN when arg 3 is %s", argv[3]);
846 /* argv[next] is now the space-delimited, @+-prefixed list of
847 * nicks in the channel. Split it and add the users. */
848 for (last = 0, nick = argv[next]; !last; nick = nickend + 1) {
850 for (nickend = nick; *nickend && (*nickend != ' '); nickend++) ;
851 if (!*nickend) last = 1;
853 if (*nick == '@') { mode |= MODE_CHANOP; nick++; }
854 if (*nick == '+') { mode |= MODE_VOICE; nick++; }
855 if ((uNode = GetUserH(nick)) && (mNode = AddChannelUser(uNode, cNode))) {
862 static CMD_FUNC(cmd_mode) {
866 log_module(MAIN_LOG, LOG_ERROR, "Illegal MODE from %s (no arguments).", origin);
868 } else if (IsChannelName(argv[1])) {
872 if (!(cn = GetChannel(argv[1]))) {
873 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing", argv[1]);
877 if ((un = GetUserH(origin))) {
878 /* Update idle time for the user */
879 if ((mn = GetUserMode(cn, un)))
880 mn->idle_since = now;
882 /* Must be a server in burst or something. Make sure we're using the right timestamp. */
883 cn->timestamp = atoi(argv[2]);
886 return mod_chanmode(un, cn, argv+3, argc-3, MCP_ALLOW_OVB|MCP_FROM_SERVER|MC_ANNOUNCE);
887 } else if ((un = GetUserH(argv[1]))) {
888 mod_usermode(un, argv[2]);
891 log_module(MAIN_LOG, LOG_ERROR, "Not sure what MODE %s is affecting (not a channel name and no such user)", argv[1]);
896 static CMD_FUNC(cmd_topic) {
898 if (argc < 5) return 0;
899 if (!(cn = GetChannel(argv[1]))) {
900 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose topic is being set", argv[1]);
903 if (irccasecmp(origin, argv[2])) {
904 /* coming from a topic burst; the origin is a server */
905 safestrncpy(cn->topic, argv[4], sizeof(cn->topic));
906 safestrncpy(cn->topic_nick, argv[2], sizeof(cn->topic_nick));
907 cn->topic_time = atoi(argv[3]);
909 SetChannelTopic(cn, GetUserH(argv[2]), argv[4], 0);
914 static CMD_FUNC(cmd_away) {
917 if (!(un = GetUserH(origin))) {
918 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s sending AWAY", origin);
922 un->modes |= FLAGS_AWAY;
924 un->modes &= ~FLAGS_AWAY;
929 static CMD_FUNC(cmd_kick) {
930 if (argc < 3) return 0;
931 ChannelUserKicked(GetUserH(origin), GetUserH(argv[2]), GetChannel(argv[1]));
935 static CMD_FUNC(cmd_kill) {
936 struct userNode *user;
937 if (argc < 3) return 0;
938 if (!(user = GetUserH(argv[1]))) {
939 log_module(MAIN_LOG, LOG_ERROR, "Unable to find kill victim %s", argv[1]);
942 if (IsLocal(user) && IsService(user)) {
943 ReintroduceUser(user);
945 DelUser(user, GetUserH(origin), false, ((argc >= 3) ? argv[2] : NULL));
950 static CMD_FUNC(cmd_pong)
952 if (argc < 3) return 0;
953 if (!strcmp(argv[2], self->name)) {
954 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
955 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
956 timeq_add(now + ping_freq, timed_send_ping, 0);
962 static CMD_FUNC(cmd_num_topic)
964 static struct chanNode *cn;
969 cn = GetChannel(argv[2]);
971 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s in topic reply", argv[2]);
977 switch (atoi(argv[0])) {
980 break; /* no topic */
984 safestrncpy(cn->topic, unsplit_string(argv+3, argc-3, NULL), sizeof(cn->topic));
989 safestrncpy(cn->topic_nick, argv[3], sizeof(cn->topic_nick));
990 cn->topic_time = atoi(argv[4]);
993 return 0; /* should never happen */
998 static CMD_FUNC(cmd_quit)
1000 struct userNode *user;
1001 if (argc < 2) return 0;
1002 /* Sometimes we get a KILL then a QUIT or the like, so we don't want to
1003 * call DelUser unless we have the user in our grasp. */
1004 if ((user = GetUserH(origin))) {
1005 DelUser(user, NULL, false, argv[1]);
1010 static CMD_FUNC(cmd_squit)
1012 struct server *server;
1015 if (!(server = GetServerH(argv[1])))
1017 if (server == self->uplink) {
1018 /* Force a reconnect to the currently selected server. */
1019 cManager.uplink->tries = 0;
1020 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", argv[3]);
1025 DelServer(server, 0, argv[3]);
1029 static CMD_FUNC(cmd_svsnick)
1031 struct userNode *target, *dest;
1032 if (argc < 4) return 0;
1033 if (!(target = GetUserH(argv[1]))) return 0;
1034 if (!IsLocal(target)) return 0;
1035 if ((dest = GetUserH(argv[2]))) return 0; /* Note: Bahamut will /KILL instead. */
1036 NickChange(target, argv[2], 0);
1040 void parse_cleanup(void) {
1043 dict_delete(irc_func_dict);
1044 dict_delete(service_msginfo_dict);
1046 for (nn=0; nn<dead_users.used; nn++) free_user(dead_users.list[nn]);
1047 userList_clean(&dead_users);
1050 void init_parse(void) {
1051 const char *str, *desc;
1053 str = conf_get_data("server/ping_freq", RECDB_QSTRING);
1054 ping_freq = str ? ParseInterval(str) : 120;
1055 str = conf_get_data("server/ping_timeout", RECDB_QSTRING);
1056 ping_timeout = str ? ParseInterval(str) : 30;
1057 str = conf_get_data("server/hostname", RECDB_QSTRING);
1058 desc = conf_get_data("server/description", RECDB_QSTRING);
1059 if (!str || !desc) {
1060 log_module(MAIN_LOG, LOG_ERROR, "No server/hostname entry in config file.");
1063 self = AddServer(NULL, str, 0, boot_time, now, NULL, desc);
1065 str = conf_get_data("server/ping_freq", RECDB_QSTRING);
1066 ping_freq = str ? ParseInterval(str) : 120;
1067 str = conf_get_data("server/ping_timeout", RECDB_QSTRING);
1068 ping_timeout = str ? ParseInterval(str) : 30;
1070 service_msginfo_dict = dict_new();
1071 dict_set_free_data(service_msginfo_dict, free);
1072 irc_func_dict = dict_new();
1073 dict_insert(irc_func_dict, "ADMIN", cmd_admin);
1074 dict_insert(irc_func_dict, "AWAY", cmd_away);
1075 dict_insert(irc_func_dict, "BURST", cmd_burst);
1076 dict_insert(irc_func_dict, "CAPAB", cmd_capab);
1077 dict_insert(irc_func_dict, "ERROR", cmd_error);
1078 dict_insert(irc_func_dict, "GNOTICE", cmd_dummy);
1079 dict_insert(irc_func_dict, "INVITE", cmd_dummy);
1080 dict_insert(irc_func_dict, "KICK", cmd_kick);
1081 dict_insert(irc_func_dict, "KILL", cmd_kill);
1082 dict_insert(irc_func_dict, "LUSERSLOCK", cmd_dummy);
1083 dict_insert(irc_func_dict, "MODE", cmd_mode);
1084 dict_insert(irc_func_dict, "NICK", cmd_nick);
1085 dict_insert(irc_func_dict, "NOTICE", cmd_notice);
1086 dict_insert(irc_func_dict, "PART", cmd_part);
1087 dict_insert(irc_func_dict, "PASS", cmd_pass);
1088 dict_insert(irc_func_dict, "PING", cmd_ping);
1089 dict_insert(irc_func_dict, "PONG", cmd_pong);
1090 dict_insert(irc_func_dict, "PRIVMSG", cmd_privmsg);
1091 dict_insert(irc_func_dict, "QUIT", cmd_quit);
1092 dict_insert(irc_func_dict, "SERVER", cmd_server);
1093 dict_insert(irc_func_dict, "SJOIN", cmd_sjoin);
1094 dict_insert(irc_func_dict, "SQUIT", cmd_squit);
1095 dict_insert(irc_func_dict, "STATS", cmd_stats);
1096 dict_insert(irc_func_dict, "SVSNICK", cmd_svsnick);
1097 dict_insert(irc_func_dict, "SVINFO", cmd_svinfo);
1098 dict_insert(irc_func_dict, "TOPIC", cmd_topic);
1099 dict_insert(irc_func_dict, "VERSION", cmd_version);
1100 dict_insert(irc_func_dict, "WHOIS", cmd_whois);
1101 dict_insert(irc_func_dict, "331", cmd_num_topic);
1102 dict_insert(irc_func_dict, "332", cmd_num_topic);
1103 dict_insert(irc_func_dict, "333", cmd_num_topic);
1104 dict_insert(irc_func_dict, "413", cmd_num_topic);
1106 userList_init(&dead_users);
1107 reg_exit_func(parse_cleanup);
1110 int parse_line(char *line, int recursive) {
1111 char *argv[MAXNUMPARAMS];
1115 argc = split_line(line, true, ArrayLength(argv), argv);
1116 cmd = line[0] == ':';
1117 if ((argc > cmd) && (func = dict_find(irc_func_dict, argv[cmd], NULL))) {
1120 origin = argv[0] + 1;
1121 } else if (self->uplink) {
1122 origin = self->uplink->name;
1126 res = func(origin, argc-cmd, argv+cmd);
1131 log_module(MAIN_LOG, LOG_ERROR, "PARSE ERROR on line: %s", unsplit_string(argv, argc, NULL));
1132 } else if (!recursive) {
1134 for (i=0; i<dead_users.used; i++) {
1135 free_user(dead_users.list[i]);
1137 dead_users.used = 0;
1143 privmsg_user_helper(struct userNode *un, void *data)
1145 struct privmsg_desc *pd = data;
1146 struct service_message_info *info = dict_find(service_msginfo_dict, un->nick, 0);
1148 if (pd->is_notice) {
1149 if (info->on_notice) info->on_notice(pd->user, un, pd->text, pd->is_qualified);
1151 if (info->on_privmsg) info->on_privmsg(pd->user, un, pd->text, pd->is_qualified);
1157 reg_privmsg_func(struct userNode *user, privmsg_func_t handler) {
1158 struct service_message_info *info = dict_find(service_msginfo_dict, user->nick, NULL);
1160 info = calloc(1, sizeof(*info));
1161 dict_insert(service_msginfo_dict, user->nick, info);
1163 info->on_privmsg = handler;
1167 unreg_privmsg_func(struct userNode *user) {
1168 struct service_message_info *info;
1169 info = dict_find(service_msginfo_dict, user->nick, NULL);
1171 info->on_privmsg = NULL;
1172 if (info->on_notice == NULL) {
1173 dict_remove(service_msginfo_dict, user->nick);
1179 reg_notice_func(struct userNode *user, privmsg_func_t handler) {
1180 struct service_message_info *info = dict_find(service_msginfo_dict, user->nick, NULL);
1182 info = calloc(1, sizeof(*info));
1183 dict_insert(service_msginfo_dict, user->nick, info);
1185 info->on_notice = handler;
1189 unreg_notice_func(struct userNode *user) {
1190 struct service_message_info *info;
1191 info = dict_find(service_msginfo_dict, user->nick, NULL);
1193 info->on_notice = NULL;
1194 if (info->on_privmsg == NULL) {
1195 dict_remove(service_msginfo_dict, user->nick);
1200 void mod_usermode(struct userNode *user, const char *mode_change) {
1203 if (!user || !mode_change) return;
1205 #define do_user_mode(FLAG) do { if (add) user->modes |= FLAG; else user->modes &= ~FLAG; } while (0)
1206 switch (*mode_change++) {
1208 case '+': add = 1; break;
1209 case '-': add = 0; break;
1211 do_user_mode(FLAGS_OPER);
1213 userList_append(&curr_opers, user);
1214 call_oper_funcs(user);
1216 userList_remove(&curr_opers, user);
1219 case 'i': do_user_mode(FLAGS_INVISIBLE);
1220 if (add) invis_clients++; else invis_clients--;
1222 case 'w': do_user_mode(FLAGS_WALLOP); break;
1223 case 'd': do_user_mode(FLAGS_DEAF); break;
1224 case 'r': do_user_mode(FLAGS_REGNICK); break;
1225 case 'k': do_user_mode(FLAGS_SERVICE); break;
1226 case 'g': do_user_mode(FLAGS_GLOBAL); break;
1232 struct mod_chanmode *
1233 mod_chanmode_parse(struct chanNode *channel, struct userNode *user, char **modes, unsigned int argc, unsigned int flags, short base_oplevel)
1235 struct mod_chanmode *change;
1236 unsigned int ii, in_arg, ch_arg, add;
1240 if (!(change = mod_chanmode_alloc(argc)))
1243 for (ii = ch_arg = 0, in_arg = add = 1;
1244 (modes[0][ii] != '\0') && (modes[0][ii] != ' ');
1246 switch (modes[0][ii]) {
1253 #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)
1254 case 'R': do_chan_mode(MODE_REGONLY); break;
1255 case 'D': do_chan_mode(MODE_DELAYJOINS); break;
1256 case 'c': do_chan_mode(MODE_NOCOLORS); break;
1257 case 'i': do_chan_mode(MODE_INVITEONLY); break;
1258 case 'm': do_chan_mode(MODE_MODERATED); break;
1259 case 'n': do_chan_mode(MODE_NOPRIVMSGS); break;
1260 case 'p': do_chan_mode(MODE_PRIVATE); break;
1261 case 's': do_chan_mode(MODE_SECRET); break;
1262 case 't': do_chan_mode(MODE_TOPICLIMIT); break;
1264 if (!(flags & MCP_REGISTERED)) {
1265 do_chan_mode(MODE_REGISTERED);
1267 mod_chanmode_free(change);
1276 change->modes_set |= MODE_LIMIT;
1277 change->new_limit = atoi(modes[in_arg++]);
1279 change->modes_clear |= MODE_LIMIT;
1286 change->modes_set |= MODE_KEY;
1287 safestrncpy(change->new_key, modes[in_arg++], sizeof(change->new_key));
1289 change->modes_clear |= MODE_KEY;
1290 if (!(flags & MCP_KEY_FREE)) {
1298 if (!(flags & MCP_ALLOW_OVB))
1302 change->args[ch_arg].mode = MODE_BAN;
1304 change->args[ch_arg].mode |= MODE_REMOVE;
1305 change->args[ch_arg++].u.hostmask = modes[in_arg++];
1309 struct userNode *victim;
1310 if (!(flags & MCP_ALLOW_OVB))
1314 change->args[ch_arg].mode = (modes[0][ii] == 'o') ? MODE_CHANOP : MODE_VOICE;
1316 change->args[ch_arg].mode |= MODE_REMOVE;
1317 victim = GetUserH(modes[in_arg++]);
1320 if ((change->args[ch_arg].u.member = GetUserMode(channel, victim)))
1325 if (!(flags & MCP_FROM_SERVER))
1330 change->argc = ch_arg; /* in case any turned out to be ignored */
1331 if (change->modes_set & MODE_SECRET) {
1332 change->modes_set &= ~(MODE_PRIVATE);
1333 change->modes_clear |= MODE_PRIVATE;
1334 } else if (change->modes_set & MODE_PRIVATE) {
1335 change->modes_set &= ~(MODE_SECRET);
1336 change->modes_clear |= MODE_SECRET;
1340 mod_chanmode_free(change);
1345 struct chanmode_buffer {
1348 struct chanNode *channel;
1349 struct userNode *actor;
1350 unsigned int modes_used;
1351 unsigned int args_used;
1353 unsigned int is_add : 1;
1357 mod_chanmode_append(struct chanmode_buffer *buf, char ch, const char *arg)
1359 size_t arg_len = strlen(arg);
1360 if (buf->modes_used + buf->args_used + buf->chname_len + arg_len > 450) {
1361 memcpy(buf->modes + buf->modes_used, buf->args, buf->args_used);
1362 buf->modes[buf->modes_used + buf->args_used] = '\0';
1363 irc_mode(buf->actor, buf->channel, buf->modes);
1364 buf->modes[0] = buf->is_add ? '+' : '-';
1365 buf->modes_used = 1;
1368 buf->modes[buf->modes_used++] = ch;
1369 buf->args[buf->args_used++] = ' ';
1370 memcpy(buf->args + buf->args_used, arg, arg_len);
1371 buf->args_used += arg_len;
1375 mod_chanmode_announce(struct userNode *who, struct chanNode *channel, struct mod_chanmode *change)
1377 struct chanmode_buffer chbuf;
1381 assert(change->argc <= change->alloc_argc);
1382 memset(&chbuf, 0, sizeof(chbuf));
1383 chbuf.channel = channel;
1385 chbuf.chname_len = strlen(channel->name);
1387 /* First remove modes */
1389 if (change->modes_clear) {
1390 chbuf.modes[chbuf.modes_used++] = '-';
1391 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR;
1392 DO_MODE_CHAR(PRIVATE, 'p');
1393 DO_MODE_CHAR(SECRET, 's');
1394 DO_MODE_CHAR(MODERATED, 'm');
1395 DO_MODE_CHAR(TOPICLIMIT, 't');
1396 DO_MODE_CHAR(INVITEONLY, 'i');
1397 DO_MODE_CHAR(NOPRIVMSGS, 'n');
1398 DO_MODE_CHAR(LIMIT, 'l');
1399 DO_MODE_CHAR(DELAYJOINS, 'D');
1400 DO_MODE_CHAR(REGONLY, 'R');
1401 DO_MODE_CHAR(NOCOLORS, 'c');
1402 DO_MODE_CHAR(REGISTERED, 'r');
1404 if (change->modes_clear & channel->modes & MODE_KEY)
1405 mod_chanmode_append(&chbuf, 'k', channel->key);
1407 for (arg = 0; arg < change->argc; ++arg) {
1408 if (!(change->args[arg].mode & MODE_REMOVE))
1410 switch (change->args[arg].mode & ~MODE_REMOVE) {
1412 mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask);
1415 if (change->args[arg].mode & MODE_CHANOP)
1416 mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->nick);
1417 if (change->args[arg].mode & MODE_VOICE)
1418 mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->nick);
1425 if (change->modes_set) {
1426 chbuf.modes[chbuf.modes_used++] = '+';
1427 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR;
1428 DO_MODE_CHAR(PRIVATE, 'p');
1429 DO_MODE_CHAR(SECRET, 's');
1430 DO_MODE_CHAR(MODERATED, 'm');
1431 DO_MODE_CHAR(TOPICLIMIT, 't');
1432 DO_MODE_CHAR(INVITEONLY, 'i');
1433 DO_MODE_CHAR(NOPRIVMSGS, 'n');
1434 DO_MODE_CHAR(DELAYJOINS, 'D');
1435 DO_MODE_CHAR(REGONLY, 'R');
1436 DO_MODE_CHAR(NOCOLORS, 'c');
1437 DO_MODE_CHAR(REGISTERED, 'r');
1439 if (change->modes_set & MODE_KEY)
1440 mod_chanmode_append(&chbuf, 'k', change->new_key);
1441 if (change->modes_set & MODE_LIMIT)
1443 sprintf(int_buff, "%d", change->new_limit);
1444 mod_chanmode_append(&chbuf, 'l', int_buff);
1447 for (arg = 0; arg < change->argc; ++arg) {
1448 if (change->args[arg].mode & MODE_REMOVE)
1450 switch (change->args[arg].mode) {
1452 mod_chanmode_append(&chbuf, 'b', change->args[arg].u.hostmask);
1455 if (change->args[arg].mode & MODE_CHANOP)
1456 mod_chanmode_append(&chbuf, 'o', change->args[arg].u.member->user->nick);
1457 if (change->args[arg].mode & MODE_VOICE)
1458 mod_chanmode_append(&chbuf, 'v', change->args[arg].u.member->user->nick);
1463 /* Flush the buffer and apply changes locally */
1464 if (chbuf.modes_used > 0) {
1465 memcpy(chbuf.modes + chbuf.modes_used, chbuf.args, chbuf.args_used);
1466 chbuf.modes[chbuf.modes_used + chbuf.args_used] = '\0';
1467 irc_mode(chbuf.actor, chbuf.channel, chbuf.modes);
1469 mod_chanmode_apply(who, channel, change);
1473 mod_chanmode_format(struct mod_chanmode *change, char *outbuff)
1475 unsigned int used = 0;
1476 unsigned int args_used = 0;
1479 assert(change->argc <= change->alloc_argc);
1480 if (change->modes_clear) {
1481 outbuff[used++] = '-';
1482 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) outbuff[used++] = CHAR
1483 DO_MODE_CHAR(PRIVATE, 'p');
1484 DO_MODE_CHAR(SECRET, 's');
1485 DO_MODE_CHAR(MODERATED, 'm');
1486 DO_MODE_CHAR(TOPICLIMIT, 't');
1487 DO_MODE_CHAR(INVITEONLY, 'i');
1488 DO_MODE_CHAR(NOPRIVMSGS, 'n');
1489 DO_MODE_CHAR(LIMIT, 'l');
1490 DO_MODE_CHAR(KEY, 'k');
1491 DO_MODE_CHAR(DELAYJOINS, 'D');
1492 DO_MODE_CHAR(REGONLY, 'R');
1493 DO_MODE_CHAR(NOCOLORS, 'c');
1494 DO_MODE_CHAR(REGISTERED, 'r');
1497 if (change->modes_set) {
1498 outbuff[used++] = '+';
1499 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) outbuff[used++] = CHAR
1500 DO_MODE_CHAR(PRIVATE, 'p');
1501 DO_MODE_CHAR(SECRET, 's');
1502 DO_MODE_CHAR(MODERATED, 'm');
1503 DO_MODE_CHAR(TOPICLIMIT, 't');
1504 DO_MODE_CHAR(INVITEONLY, 'i');
1505 DO_MODE_CHAR(NOPRIVMSGS, 'n');
1506 DO_MODE_CHAR(DELAYJOINS, 'D');
1507 DO_MODE_CHAR(REGONLY, 'R');
1508 DO_MODE_CHAR(NOCOLORS, 'c');
1509 DO_MODE_CHAR(REGISTERED, 'r');
1510 DO_MODE_CHAR(LIMIT, 'l'), args_used += sprintf(args + args_used, " %d", change->new_limit);
1511 DO_MODE_CHAR(KEY, 'k'), args_used += sprintf(args + args_used, " %s", change->new_key);
1514 args[args_used] = '\0';
1515 strcpy(outbuff + used, args);