1 /* proto-bahamut.c - IRC protocol output
2 * Copyright 2000-2004 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 void irc_svsmode(struct userNode *target, char *modes, unsigned long stamp);
44 AddServer(struct server *uplink, const char *name, int hops, time_t boot, time_t link, UNUSED_ARG(const char *numeric), const char *description) {
47 sNode = calloc(1, sizeof(*sNode));
48 sNode->uplink = uplink;
49 safestrncpy(sNode->name, name, sizeof(sNode->name));
53 sNode->users = dict_new();
54 safestrncpy(sNode->description, description, sizeof(sNode->description));
55 serverList_init(&sNode->children);
57 /* uplink may be NULL if we're just building ourself */
58 serverList_append(&sNode->uplink->children, sNode);
60 dict_insert(servers, sNode->name, sNode);
62 if (hops && !self->burst) {
64 for (n=0; n<slf_used; n++) {
73 DelServer(struct server* serv, int announce, const char *message) {
75 dict_iterator_t it, next;
78 if (announce && (serv->uplink == self) && (serv != self->uplink)) {
79 irc_squit(serv, message, NULL);
81 for (nn=serv->children.used; nn>0;) {
82 if (serv->children.list[--nn] != self) {
83 DelServer(serv->children.list[nn], false, "uplink delinking");
86 for (it=dict_first(serv->users); it; it=next) {
88 DelUser(iter_data(it), NULL, false, "server delinking");
90 if (serv->uplink) serverList_remove(&serv->uplink->children, serv);
91 if (serv == self->uplink) self->uplink = NULL;
92 dict_remove(servers, serv->name);
93 serverList_clean(&serv->children);
94 dict_delete(serv->users);
99 is_valid_nick(const char *nick) {
100 /* IRC has some of The Most Fucked-Up ideas about character sets
102 if ((*nick < 'A') || (*nick >= '~')) return 0;
103 for (++nick; *nick; ++nick) {
104 if (!((*nick >= 'A') && (*nick < '~'))
110 if (strlen(nick) > nicklen) return 0;
115 AddUser(struct server* uplink, const char *nick, const char *ident, const char *hostname, const char *modes, const char *userinfo, time_t timestamp, struct in_addr realip, const char *stamp) {
116 struct userNode *uNode, *oldUser;
120 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): server does not exist!", uplink, nick);
124 if (!is_valid_nick(nick)) {
125 log_module(MAIN_LOG, LOG_WARNING, "AddUser(%p, %s, ...): invalid nickname detected.", uplink, nick);
129 if ((oldUser = GetUserH(nick))) {
130 if (IsLocal(oldUser) && IsService(oldUser)) {
131 /* The service should collide the new user off. */
132 oldUser->timestamp = timestamp - 1;
135 if (oldUser->timestamp > timestamp) {
136 /* "Old" user is really newer; remove them */
137 DelUser(oldUser, 0, 1, "Overruled by older nick");
139 /* User being added is too new */
144 uNode = calloc(1, sizeof(*uNode));
145 uNode->nick = strdup(nick);
146 safestrncpy(uNode->ident, ident, sizeof(uNode->ident));
147 safestrncpy(uNode->info, userinfo, sizeof(uNode->info));
148 safestrncpy(uNode->hostname, hostname, sizeof(uNode->hostname));
150 uNode->timestamp = timestamp;
151 modeList_init(&uNode->channels);
152 uNode->uplink = uplink;
153 dict_insert(uplink->users, uNode->nick, uNode);
154 if (++uNode->uplink->clients > uNode->uplink->max_clients) {
155 uNode->uplink->max_clients = uNode->uplink->clients;
158 dict_insert(clients, uNode->nick, uNode);
159 if (dict_size(clients) > max_clients) {
160 max_clients = dict_size(clients);
161 max_clients_time = now;
164 mod_usermode(uNode, modes);
165 if (stamp) call_account_func(uNode, stamp);
166 if (IsLocal(uNode)) irc_user(uNode);
167 for (nn=0; nn<nuf_used; nn++) {
168 if (nuf_list[nn](uNode)) break;
174 AddService(const char *nick, const char *desc) {
175 time_t timestamp = now;
176 struct userNode *old_user = GetUserH(nick);
177 struct in_addr ipaddr = { INADDR_LOOPBACK };
179 if (IsLocal(old_user))
181 timestamp = old_user->timestamp - 1;
183 return AddUser(self, nick, nick, self->name, "+oikr", desc, timestamp, ipaddr, 0);
187 AddClone(const char *nick, const char *ident, const char *hostname, const char *desc) {
188 time_t timestamp = now;
189 struct userNode *old_user = GetUserH(nick);
190 struct in_addr ipaddr = { INADDR_LOOPBACK };
192 if (IsLocal(old_user))
194 timestamp = old_user->timestamp - 1;
196 return AddUser(self, nick, ident, hostname, "+ir", desc, timestamp, ipaddr, 0);
200 free_user(struct userNode *user)
207 DelUser(struct userNode* user, struct userNode *killer, int announce, const char *why) {
210 for (nn=user->channels.used; nn>0;) {
211 DelChannelUser(user, user->channels.list[--nn]->channel, false, 0);
213 for (nn=duf_used; nn>0; ) duf_list[--nn](user, killer, why);
214 user->uplink->clients--;
215 dict_remove(user->uplink->users, user->nick);
216 if (IsOper(user)) userList_remove(&curr_opers, user);
217 if (IsInvisible(user)) invis_clients--;
218 if (user == dict_find(clients, user->nick, NULL)) dict_remove(clients, user->nick);
223 irc_kill(killer, user, why);
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) {
248 if (IsOper(user)) modes[modelen++] = 'o';
249 if (IsInvisible(user)) modes[modelen++] = 'i';
250 if (IsWallOp(user)) modes[modelen++] = 'w';
251 if (IsService(user)) modes[modelen++] = 'k';
252 if (IsServNotice(user)) modes[modelen++] = 's';
253 if (IsDeaf(user)) modes[modelen++] = 'd';
254 if (IsReggedNick(user)) modes[modelen++] = 'r';
255 if (IsGlobal(user)) modes[modelen++] = 'g';
257 putsock("NICK %s %d "FMT_TIME_T" +%s %s %s %s %d %u :%s",
258 user->nick, user->uplink->hops+2, user->timestamp, modes,
259 user->ident, user->hostname, user->uplink->name, 0, ntohl(user->ip.s_addr), user->info);
263 irc_account(struct userNode *user, const char *stamp)
265 if (IsReggedNick(user)) {
266 irc_svsmode(user, "+rd", base64toint(stamp, IDLEN));
268 irc_svsmode(user, "+d", base64toint(stamp, IDLEN));
273 irc_regnick(struct userNode *user)
275 if (IsReggedNick(user)) {
276 irc_svsmode(user, "+r", 0);
278 irc_svsmode(user, "-r", 0);
283 irc_nick(struct userNode *user, const char *old_nick) {
284 if (user->uplink == self) {
285 /* update entries in PRIVMSG/NOTICE handlers (if they exist) */
286 struct service_message_info *smi = dict_find(service_msginfo_dict, user->nick, NULL);
288 dict_remove2(service_msginfo_dict, old_nick, 1);
289 dict_insert(service_msginfo_dict, user->nick, smi);
292 putsock(":%s NICK %s :"FMT_TIME_T, old_nick, user->nick, user->timestamp);
296 irc_pass(const char *passwd) {
297 putsock("PASS %s :TS", passwd);
302 putsock("CAPAB TS3 NOQUIT SSJOIN BURST UNCONNECT NICKIP TSMODE");
307 putsock("SVINFO 3 3 0 :"FMT_TIME_T, now);
316 irc_introduce(const char *passwd) {
317 extern time_t burst_begin;
325 timeq_add(now + ping_freq, timed_send_ping, 0);
329 irc_ping(const char *something) {
330 putsock("PING :%s", something);
334 irc_pong(const char *who, const char *data) {
335 putsock(":%s PONG %s :%s", self->name, who, data);
339 irc_quit(struct userNode *user, const char *message) {
340 putsock(":%s QUIT :%s", user->nick, message);
344 irc_squit(struct server *srv, const char *message, const char *service_message) {
345 if (!service_message) service_message = message;
346 /* If we're leaving the network, QUIT all our clients. */
347 if ((srv == self) && (cManager.uplink->state == CONNECTED)) {
349 for (it = dict_first(srv->users); it; it = iter_next(it)) {
350 irc_quit(iter_data(it), service_message);
353 putsock(":%s SQUIT %s 0 :%s", self->name, srv->name, message);
355 /* Reconnect to the currently selected server. */
356 cManager.uplink->tries = 0;
357 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", message);
363 irc_privmsg(struct userNode *from, const char *to, const char *message) {
364 putsock(":%s PRIVMSG %s :%s", from->nick, to, message);
368 irc_notice(struct userNode *from, const char *to, const char *message) {
369 putsock(":%s NOTICE %s :%s", from->nick, to, message);
373 irc_wallchops(UNUSED_ARG(struct userNode *from), UNUSED_ARG(const char *to), UNUSED_ARG(const char *message)) {
377 irc_join(struct userNode *who, struct chanNode *what) {
378 if (what->members.used == 1) {
379 putsock(":%s SJOIN "FMT_TIME_T" %s + :@%s", self->name, what->timestamp, what->name, who->nick);
381 putsock(":%s SJOIN "FMT_TIME_T" %s", who->nick, what->timestamp, what->name);
386 irc_invite(struct userNode *from, struct userNode *who, struct chanNode *to) {
387 putsock(":%s INVITE %s %s", from->nick, who->nick, to->name);
391 irc_mode(struct userNode *who, struct chanNode *target, const char *modes) {
392 putsock(":%s MODE %s "FMT_TIME_T" %s", who->nick, target->name, target->timestamp, modes);
396 irc_svsmode(struct userNode *target, char *modes, unsigned long stamp) {
397 extern struct userNode *nickserv;
399 putsock(":%s SVSMODE %s "FMT_TIME_T" %s %lu", nickserv->nick, target->nick, target->timestamp, modes, stamp);
401 putsock(":%s SVSMODE %s "FMT_TIME_T" %s", nickserv->nick, target->nick, target->timestamp, modes);
406 irc_kick(struct userNode *who, struct userNode *target, struct chanNode *from, const char *msg) {
407 putsock(":%s KICK %s %s :%s", who->nick, from->name, target->nick, msg);
408 ChannelUserKicked(who, target, from);
412 irc_part(struct userNode *who, struct chanNode *what, const char *reason) {
414 putsock(":%s PART %s :%s", who->nick, what->name, reason);
416 putsock(":%s PART %s", who->nick, what->name);
421 irc_topic(struct userNode *who, struct chanNode *what, const char *topic) {
422 putsock(":%s TOPIC %s :%s", who->nick, what->name, topic);
426 irc_fetchtopic(struct userNode *from, const char *to) {
427 if (!from || !to) return;
428 putsock(":%s TOPIC %s", from->nick, to);
432 irc_gline(struct server *srv, struct gline *gline) {
433 char host[HOSTLEN+1], ident[USERLEN+1], *sep;
436 log_module(MAIN_LOG, LOG_WARNING, "%s tried to send a targeted G-line for %s (not supported by protocol!)", gline->issuer, gline->target);
439 if (!(sep = strchr(gline->target, '@'))) {
440 log_module(MAIN_LOG, LOG_ERROR, "%s tried to add G-line with bad mask %s", gline->issuer, gline->target);
443 len = sep - gline->target + 1;
444 if (len > ArrayLength(ident)) len = ArrayLength(ident);
445 safestrncpy(ident, gline->target, len);
446 safestrncpy(host, sep+1, ArrayLength(host));
447 putsock(":%s AKILL %s %s "FMT_TIME_T" %s "FMT_TIME_T" :%s", self->name, host, ident, gline->expires-gline->issued, gline->issuer, gline->issued, gline->reason);
451 irc_settime(UNUSED_ARG(const char *srv_name_mask), UNUSED_ARG(time_t new_time))
453 /* Bahamut has nothing like this, so ignore it. */
457 irc_ungline(const char *mask) {
458 char host[HOSTLEN+1], ident[USERLEN+1], *sep;
460 if (!(sep = strchr(mask, '@'))) {
461 log_module(MAIN_LOG, LOG_ERROR, "Tried to remove G-line with bad mask %s", mask);
464 len = sep - mask + 1;
465 if (len > ArrayLength(ident)) len = ArrayLength(ident);
466 safestrncpy(ident, mask, len);
467 safestrncpy(host, sep+1, ArrayLength(host));
468 putsock(":%s RAKILL %s %s", self->name, host, ident);
472 irc_error(const char *to, const char *message) {
474 putsock("%s ERROR :%s", to, message);
476 putsock(":%s ERROR :%s", self->name, message);
481 irc_kill(struct userNode *from, struct userNode *target, const char *message) {
483 putsock(":%s KILL %s :%s!%s (%s)", from->nick, target->nick, self->name, from->nick, message);
485 putsock(":%s KILL %s :%s (%s)", self->name, target->nick, self->name, message);
490 irc_raw(const char *what) {
495 irc_stats(struct userNode *from, struct server *target, char type) {
496 putsock(":%s STATS %c :%s", from->nick, type, target->name);
500 irc_svsnick(struct userNode *from, struct userNode *target, const char *newnick)
502 putsock(":%s SVSNICK %s %s :"FMT_TIME_T, from->nick, target->nick, newnick, now);
506 irc_numeric(struct userNode *user, unsigned int num, const char *format, ...) {
509 va_start(arg_list, format);
510 vsnprintf(buffer, MAXLEN-2, format, arg_list);
511 buffer[MAXLEN-1] = 0;
512 putsock(":%s %03d %s %s", self->name, num, user->nick, buffer);
516 parse_foreach(char *target_list, foreach_chanfunc cf, foreach_nonchan nc, foreach_userfunc uf, foreach_nonuser nu, void *data) {
520 while (*j != 0 && *j != ',') j++;
523 if (IsChannelName(target_list)) {
524 struct chanNode *chan = GetChannel(target_list);
526 if (cf) cf(chan, data);
528 if (nc) nc(target_list, data);
531 struct userNode *user;
532 struct privmsg_desc *pd = data;
534 pd->is_qualified = 0;
535 if (*target_list == '@') {
537 } else if (strchr(target_list, '@')) {
538 struct server *server;
540 pd->is_qualified = 1;
541 user = GetUserH(strtok(target_list, "@"));
542 server = GetServerH(strtok(NULL, "@"));
544 if (user && (user->uplink != server)) {
545 /* Don't attempt to index into any arrays
546 using a user's numeric on another server. */
550 user = GetUserH(target_list);
554 if (uf) uf(user, data);
556 if (nu) nu(target_list, data);
560 } while (old == ',');
563 static CMD_FUNC(cmd_notice) {
564 struct privmsg_desc pd;
565 if ((argc < 3) || !origin) return 0;
566 if (!(pd.user = GetUserH(origin))) return 1;
567 if (IsGagged(pd.user) && !IsOper(pd.user)) return 1;
570 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
574 static CMD_FUNC(cmd_privmsg) {
575 struct privmsg_desc pd;
576 if ((argc < 3) || !origin) return 0;
577 if (!(pd.user = GetUserH(origin))) return 1;
578 if (IsGagged(pd.user) && !IsOper(pd.user)) return 1;
581 parse_foreach(argv[1], privmsg_chan_helper, NULL, privmsg_user_helper, privmsg_invalid, &pd);
585 static CMD_FUNC(cmd_capab) {
586 static const struct {
590 { "TS3", CAPAB_TS3 },
591 { "NOQUIT", CAPAB_NOQUIT },
592 { "SSJOIN", CAPAB_SSJOIN },
593 { "BURST", CAPAB_BURST },
594 { "UNCONNECT", CAPAB_UNCONNECT },
595 { "NICKIP", CAPAB_NICKIP },
596 { "TSMODE", CAPAB_TSMODE },
597 { "ZIP", CAPAB_ZIP },
603 for(nn=1; nn<argc; nn++) {
604 for (mm=0; capabs[mm].name && irccasecmp(capabs[mm].name, argv[nn]); mm++) ;
605 if (capabs[mm].name) {
606 uplink_capab |= capabs[mm].mask;
608 log_module(MAIN_LOG, LOG_INFO, "Saw unrecognized/unhandled capability %s. Please notify srvx developers so they can add it.", argv[nn]);
614 static void burst_channel(struct chanNode *chan) {
616 int pos, base_len, len, queued;
619 if (!chan->members.used) return;
620 /* send list of users in the channel.. */
621 base_len = sprintf(line, ":%s SJOIN "FMT_TIME_T" %s ", self->name, chan->timestamp, chan->name);
622 len = irc_make_chanmode(chan, line+base_len);
623 pos = base_len + len;
626 for (nn=0; nn<chan->members.used; nn++) {
627 struct modeNode *mn = chan->members.list[nn];
628 len = strlen(mn->user->nick);
629 if (pos + len > 500) {
637 if (mn->modes & MODE_CHANOP) line[pos++] = '@';
638 if (mn->modes & MODE_VOICE) line[pos++] = '+';
639 memcpy(line+pos, mn->user->nick, len);
643 /* print the last line */
646 /* now send the bans.. */
647 base_len = sprintf(line, ":%s MODE "FMT_TIME_T" %s +", self->name, chan->timestamp, chan->name);
648 pos = sizeof(line)-1;
650 for (nn=queued=0; nn<chan->banlist.used; nn++) {
651 struct banNode *bn = chan->banlist.list[nn];
652 len = strlen(bn->ban);
653 if (pos < base_len+queued+len+4) {
658 putsock("%s%s", line, line+pos);
659 pos = sizeof(line)-1;
662 memcpy(line+pos, bn->ban, len);
671 putsock("%s%s", line, line+pos);
675 static void send_burst() {
677 for (it = dict_first(servers); it; it = iter_next(it)) {
678 struct server *serv = iter_data(it);
679 if ((serv != self) && (serv != self->uplink)) irc_server(serv);
682 for (it = dict_first(clients); it; it = iter_next(it)) {
683 irc_user(iter_data(it));
685 for (it = dict_first(channels); it; it = iter_next(it)) {
686 burst_channel(iter_data(it));
688 /* Uplink will do AWAY and TOPIC bursts before sending BURST 0, but we don't */
692 static CMD_FUNC(cmd_server) {
693 if (argc < 4) return 0;
695 AddServer(GetServerH(origin), argv[1], atoi(argv[2]), 0, now, 0, argv[3]);
697 self->uplink = AddServer(self, argv[1], atoi(argv[2]), 0, now, 0, argv[3]);
703 static CMD_FUNC(cmd_svinfo) {
704 if (argc < 5) return 0;
705 if ((atoi(argv[1]) < 3) || (atoi(argv[2]) > 3)) return 0;
706 /* TODO: something with the timestamp we get from the other guy */
710 static CMD_FUNC(cmd_ping)
712 irc_pong(self->name, argc > 1 ? argv[1] : origin);
713 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
714 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
715 timeq_add(now + ping_freq, timed_send_ping, 0);
720 static CMD_FUNC(cmd_burst) {
721 struct server *sender = GetServerH(origin);
722 if (!sender) return 0;
723 if (argc == 1) return 1;
724 if (sender == self->uplink) {
725 cManager.uplink->state = CONNECTED;
727 sender->self_burst = 0;
728 recalc_bursts(sender);
732 static CMD_FUNC(cmd_nick) {
734 if ((un = GetUserH(origin))) {
736 if (argc < 2) return 0;
737 NickChange(un, argv[1], 1);
739 /* new nick from a server */
744 if (argc < 10) return 0;
745 stamp = strtoul(argv[8], NULL, 0);
746 if (stamp) inttobase64(id, stamp, IDLEN);
747 ip.s_addr = (argc > 10) ? atoi(argv[9]) : 0;
748 un = AddUser(GetServerH(argv[7]), argv[1], argv[5], argv[6], argv[4], argv[argc-1], atoi(argv[3]), ip, (stamp ? id : 0));
753 static CMD_FUNC(cmd_sjoin) {
754 struct chanNode *cNode;
755 struct userNode *uNode;
756 struct modeNode *mNode;
757 unsigned int next = 4, last;
758 char *nick, *nickend;
760 if ((argc == 3) && (uNode = GetUserH(origin))) {
762 if (!(cNode = GetChannel(argv[2]))) {
763 log_module(MAIN_LOG, LOG_ERROR, "Unable to find SJOIN target %s", argv[2]);
766 AddChannelUser(uNode, cNode);
769 if (argc < 5) return 0;
770 if (argv[3][0] == '+') {
771 char modes[MAXLEN], *pos;
773 for (pos = argv[3], n_modes = 1; *pos; pos++) {
774 if ((*pos == 'k') || (*pos == 'l')) n_modes++;
776 unsplit_string(argv+3, n_modes, modes);
777 cNode = AddChannel(argv[2], atoi(argv[1]), modes, NULL);
778 } else if (argv[3][0] == '0') {
779 cNode = GetChannel(argv[2]);
781 log_module(MAIN_LOG, LOG_ERROR, "Unsure how to handle SJOIN when arg 3 is %s", argv[3]);
785 /* argv[next] is now the space-delimited, @+-prefixed list of
786 * nicks in the channel. Split it and add the users. */
787 for (last = 0, nick = argv[next]; !last; nick = nickend + 1) {
789 for (nickend = nick; *nickend && (*nickend != ' '); nickend++) ;
790 if (!*nickend) last = 1;
792 if (*nick == '@') { mode |= MODE_CHANOP; nick++; }
793 if (*nick == '+') { mode |= MODE_VOICE; nick++; }
794 if ((uNode = GetUserH(nick)) && (mNode = AddChannelUser(uNode, cNode))) {
801 static CMD_FUNC(cmd_mode) {
805 log_module(MAIN_LOG, LOG_ERROR, "Illegal MODE from %s (no arguments).", origin);
807 } else if (IsChannelName(argv[1])) {
811 if (!(cn = GetChannel(argv[1]))) {
812 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose mode is changing", argv[1]);
816 if ((un = GetUserH(origin))) {
817 /* Update idle time for the user */
818 if ((mn = GetUserMode(cn, un)))
819 mn->idle_since = now;
821 /* Must be a server in burst or something. Make sure we're using the right timestamp. */
822 cn->timestamp = atoi(argv[2]);
825 return mod_chanmode(un, cn, argv+3, argc-3, MCP_ALLOW_OVB|MCP_FROM_SERVER|MC_ANNOUNCE);
826 } else if ((un = GetUserH(argv[1]))) {
827 mod_usermode(un, argv[2]);
830 log_module(MAIN_LOG, LOG_ERROR, "Not sure what MODE %s is affecting (not a channel name and no such user)", argv[1]);
835 static CMD_FUNC(cmd_topic) {
837 if (argc < 5) return 0;
838 if (!(cn = GetChannel(argv[1]))) {
839 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s whose topic is being set", argv[1]);
842 if (irccasecmp(origin, argv[2])) {
843 /* coming from a topic burst; the origin is a server */
844 safestrncpy(cn->topic, argv[4], sizeof(cn->topic));
845 safestrncpy(cn->topic_nick, argv[2], sizeof(cn->topic_nick));
846 cn->topic_time = atoi(argv[3]);
848 SetChannelTopic(cn, GetUserH(argv[2]), argv[4], 0);
853 static CMD_FUNC(cmd_part) {
854 if (argc < 2) return 0;
855 parse_foreach(argv[1], part_helper, NULL, NULL, NULL, GetUserH(origin));
859 static CMD_FUNC(cmd_away) {
862 if (!(un = GetUserH(origin))) {
863 log_module(MAIN_LOG, LOG_ERROR, "Unable to find user %s sending AWAY", origin);
867 un->modes |= FLAGS_AWAY;
869 un->modes &= ~FLAGS_AWAY;
874 static CMD_FUNC(cmd_kick) {
875 if (argc < 3) return 0;
876 ChannelUserKicked(GetUserH(origin), GetUserH(argv[2]), GetChannel(argv[1]));
880 static CMD_FUNC(cmd_kill) {
881 struct userNode *user;
882 if (argc < 3) return 0;
883 if (!(user = GetUserH(argv[1]))) {
884 log_module(MAIN_LOG, LOG_ERROR, "Unable to find kill victim %s", argv[1]);
887 if (IsLocal(user) && IsService(user)) {
888 ReintroduceUser(user);
890 DelUser(user, GetUserH(origin), false, ((argc >= 3) ? argv[2] : NULL));
895 static CMD_FUNC(cmd_pong)
897 if (argc < 3) return 0;
898 if (!strcmp(argv[2], self->name)) {
899 timeq_del(0, timed_send_ping, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
900 timeq_del(0, timed_ping_timeout, 0, TIMEQ_IGNORE_WHEN|TIMEQ_IGNORE_DATA);
901 timeq_add(now + ping_freq, timed_send_ping, 0);
907 static CMD_FUNC(cmd_num_topic)
909 static struct chanNode *cn;
914 cn = GetChannel(argv[2]);
916 log_module(MAIN_LOG, LOG_ERROR, "Unable to find channel %s in topic reply", argv[2]);
922 switch (atoi(argv[0])) {
925 break; /* no topic */
929 safestrncpy(cn->topic, unsplit_string(argv+3, argc-3, NULL), sizeof(cn->topic));
934 safestrncpy(cn->topic_nick, argv[3], sizeof(cn->topic_nick));
935 cn->topic_time = atoi(argv[4]);
938 return 0; /* should never happen */
943 static CMD_FUNC(cmd_quit)
945 struct userNode *user;
946 if (argc < 2) return 0;
947 /* Sometimes we get a KILL then a QUIT or the like, so we don't want to
948 * call DelUser unless we have the user in our grasp. */
949 if ((user = GetUserH(origin))) {
950 DelUser(user, NULL, false, argv[1]);
955 static CMD_FUNC(cmd_squit)
957 struct server *server;
960 if (!(server = GetServerH(argv[1])))
962 if (server == self->uplink) {
963 /* Force a reconnect to the currently selected server. */
964 cManager.uplink->tries = 0;
965 log_module(MAIN_LOG, LOG_INFO, "Squitting from uplink: %s", argv[3]);
970 DelServer(server, 0, argv[3]);
974 static CMD_FUNC(cmd_svsnick)
976 struct userNode *target, *dest;
977 if (argc < 4) return 0;
978 if (!(target = GetUserH(argv[1]))) return 0;
979 if (!IsLocal(target)) return 0;
980 if ((dest = GetUserH(argv[2]))) return 0; /* Note: Bahamut will /KILL instead. */
981 NickChange(target, argv[2], 0);
985 static oper_func_t *of_list;
986 static unsigned int of_size = 0, of_used = 0;
988 void parse_cleanup(void) {
990 if (of_list) free(of_list);
991 dict_delete(irc_func_dict);
992 dict_delete(service_msginfo_dict);
994 for (nn=0; nn<dead_users.used; nn++) free_user(dead_users.list[nn]);
995 userList_clean(&dead_users);
998 void init_parse(void) {
999 const char *str, *desc;
1001 str = conf_get_data("server/ping_freq", RECDB_QSTRING);
1002 ping_freq = str ? ParseInterval(str) : 120;
1003 str = conf_get_data("server/ping_timeout", RECDB_QSTRING);
1004 ping_timeout = str ? ParseInterval(str) : 30;
1005 str = conf_get_data("server/hostname", RECDB_QSTRING);
1006 desc = conf_get_data("server/description", RECDB_QSTRING);
1007 if (!str || !desc) {
1008 log_module(MAIN_LOG, LOG_ERROR, "No server/hostname entry in config file.");
1011 self = AddServer(NULL, str, 0, boot_time, now, NULL, desc);
1013 str = conf_get_data("server/ping_freq", RECDB_QSTRING);
1014 ping_freq = str ? ParseInterval(str) : 120;
1015 str = conf_get_data("server/ping_timeout", RECDB_QSTRING);
1016 ping_timeout = str ? ParseInterval(str) : 30;
1018 service_msginfo_dict = dict_new();
1019 dict_set_free_data(service_msginfo_dict, free);
1020 irc_func_dict = dict_new();
1021 dict_insert(irc_func_dict, "ADMIN", cmd_admin);
1022 dict_insert(irc_func_dict, "AWAY", cmd_away);
1023 dict_insert(irc_func_dict, "BURST", cmd_burst);
1024 dict_insert(irc_func_dict, "CAPAB", cmd_capab);
1025 dict_insert(irc_func_dict, "ERROR", cmd_error);
1026 dict_insert(irc_func_dict, "GNOTICE", cmd_dummy);
1027 dict_insert(irc_func_dict, "INVITE", cmd_dummy);
1028 dict_insert(irc_func_dict, "KICK", cmd_kick);
1029 dict_insert(irc_func_dict, "KILL", cmd_kill);
1030 dict_insert(irc_func_dict, "LUSERSLOCK", cmd_dummy);
1031 dict_insert(irc_func_dict, "MODE", cmd_mode);
1032 dict_insert(irc_func_dict, "NICK", cmd_nick);
1033 dict_insert(irc_func_dict, "NOTICE", cmd_notice);
1034 dict_insert(irc_func_dict, "PART", cmd_part);
1035 dict_insert(irc_func_dict, "PASS", cmd_pass);
1036 dict_insert(irc_func_dict, "PING", cmd_ping);
1037 dict_insert(irc_func_dict, "PONG", cmd_pong);
1038 dict_insert(irc_func_dict, "PRIVMSG", cmd_privmsg);
1039 dict_insert(irc_func_dict, "QUIT", cmd_quit);
1040 dict_insert(irc_func_dict, "SERVER", cmd_server);
1041 dict_insert(irc_func_dict, "SJOIN", cmd_sjoin);
1042 dict_insert(irc_func_dict, "SQUIT", cmd_squit);
1043 dict_insert(irc_func_dict, "STATS", cmd_stats);
1044 dict_insert(irc_func_dict, "SVSNICK", cmd_svsnick);
1045 dict_insert(irc_func_dict, "SVINFO", cmd_svinfo);
1046 dict_insert(irc_func_dict, "TOPIC", cmd_topic);
1047 dict_insert(irc_func_dict, "VERSION", cmd_version);
1048 dict_insert(irc_func_dict, "WHOIS", cmd_whois);
1049 dict_insert(irc_func_dict, "331", cmd_num_topic);
1050 dict_insert(irc_func_dict, "332", cmd_num_topic);
1051 dict_insert(irc_func_dict, "333", cmd_num_topic);
1052 dict_insert(irc_func_dict, "413", cmd_num_topic);
1054 userList_init(&dead_users);
1055 reg_exit_func(parse_cleanup);
1058 int parse_line(char *line, int recursive) {
1059 char *argv[MAXNUMPARAMS];
1063 argc = split_line(line, true, ArrayLength(argv), argv);
1064 cmd = line[0] == ':';
1065 if ((argc > cmd) && (func = dict_find(irc_func_dict, argv[cmd], NULL))) {
1068 origin = argv[0] + 1;
1069 } else if (self->uplink) {
1070 origin = self->uplink->name;
1074 res = func(origin, argc-cmd, argv+cmd);
1079 log_module(MAIN_LOG, LOG_ERROR, "PARSE ERROR on line: %s", unsplit_string(argv, argc, NULL));
1080 } else if (!recursive) {
1082 for (i=0; i<dead_users.used; i++) {
1083 free_user(dead_users.list[i]);
1085 dead_users.used = 0;
1091 privmsg_user_helper(struct userNode *un, void *data)
1093 struct privmsg_desc *pd = data;
1094 struct service_message_info *info = dict_find(service_msginfo_dict, un->nick, 0);
1096 if (pd->is_notice) {
1097 if (info->on_notice) info->on_notice(pd->user, un, pd->text, pd->is_qualified);
1099 if (info->on_privmsg) info->on_privmsg(pd->user, un, pd->text, pd->is_qualified);
1105 reg_privmsg_func(struct userNode *user, privmsg_func_t handler) {
1106 struct service_message_info *info = dict_find(service_msginfo_dict, user->nick, NULL);
1108 info = calloc(1, sizeof(*info));
1109 dict_insert(service_msginfo_dict, user->nick, info);
1111 info->on_privmsg = handler;
1115 reg_notice_func(struct userNode *user, privmsg_func_t handler) {
1116 struct service_message_info *info = dict_find(service_msginfo_dict, user->nick, NULL);
1118 info = calloc(1, sizeof(*info));
1119 dict_insert(service_msginfo_dict, user->nick, info);
1121 info->on_notice = handler;
1125 reg_oper_func(oper_func_t handler)
1127 if (of_used == of_size) {
1130 of_list = realloc(of_list, of_size*sizeof(oper_func_t));
1133 of_list = malloc(of_size*sizeof(oper_func_t));
1136 of_list[of_used++] = handler;
1140 call_oper_funcs(struct userNode *user)
1143 if (IsLocal(user)) return;
1144 for (n=0; n<of_used; n++)
1150 void mod_usermode(struct userNode *user, const char *mode_change) {
1153 if (!user || !mode_change) return;
1155 #define do_user_mode(FLAG) do { if (add) user->modes |= FLAG; else user->modes &= ~FLAG; } while (0)
1156 switch (*mode_change++) {
1158 case '+': add = 1; break;
1159 case '-': add = 0; break;
1161 do_user_mode(FLAGS_OPER);
1163 userList_append(&curr_opers, user);
1164 call_oper_funcs(user);
1166 userList_remove(&curr_opers, user);
1169 case 'O': do_user_mode(FLAGS_LOCOP); break;
1170 case 'i': do_user_mode(FLAGS_INVISIBLE);
1171 if (add) invis_clients++; else invis_clients--;
1173 case 'w': do_user_mode(FLAGS_WALLOP); break;
1174 case 's': do_user_mode(FLAGS_SERVNOTICE); break;
1175 case 'd': do_user_mode(FLAGS_DEAF); break;
1176 case 'r': do_user_mode(FLAGS_REGNICK); break;
1177 case 'k': do_user_mode(FLAGS_SERVICE); break;
1178 case 'g': do_user_mode(FLAGS_GLOBAL); break;
1179 case 'h': do_user_mode(FLAGS_HELPER); break;
1185 struct mod_chanmode *
1186 mod_chanmode_parse(struct chanNode *channel, char **modes, unsigned int argc, unsigned int flags)
1188 struct mod_chanmode *change;
1189 unsigned int ii, in_arg, ch_arg, add;
1193 if (!(change = mod_chanmode_alloc(argc)))
1196 for (ii = ch_arg = 0, in_arg = add = 1;
1197 (modes[0][ii] != '\0') && (modes[0][ii] != ' ');
1199 switch (modes[0][ii]) {
1206 #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)
1207 case 'R': do_chan_mode(MODE_REGONLY); break;
1208 case 'D': do_chan_mode(MODE_DELAYJOINS); break;
1209 case 'c': do_chan_mode(MODE_NOCOLORS); break;
1210 case 'i': do_chan_mode(MODE_INVITEONLY); break;
1211 case 'm': do_chan_mode(MODE_MODERATED); break;
1212 case 'n': do_chan_mode(MODE_NOPRIVMSGS); break;
1213 case 'p': do_chan_mode(MODE_PRIVATE); break;
1214 case 's': do_chan_mode(MODE_SECRET); break;
1215 case 't': do_chan_mode(MODE_TOPICLIMIT); break;
1221 change->modes_set |= MODE_LIMIT;
1222 change->new_limit = atoi(modes[in_arg++]);
1224 change->modes_clear |= MODE_LIMIT;
1231 change->modes_set |= MODE_KEY;
1232 safestrncpy(change->new_key, modes[in_arg++], sizeof(change->new_key));
1234 change->modes_clear |= MODE_KEY;
1235 if (!(flags & MCP_KEY_FREE)) {
1243 if (!(flags & MCP_ALLOW_OVB))
1247 change->args[ch_arg].mode = MODE_BAN;
1249 change->args[ch_arg].mode |= MODE_REMOVE;
1250 change->args[ch_arg++].hostmask = modes[in_arg++];
1254 struct userNode *victim;
1255 if (!(flags & MCP_ALLOW_OVB))
1259 change->args[ch_arg].mode = (modes[0][ii] == 'o') ? MODE_CHANOP : MODE_VOICE;
1261 change->args[ch_arg].mode |= MODE_REMOVE;
1262 victim = GetUserH(modes[in_arg++]);
1265 if ((change->args[ch_arg].member = GetUserMode(channel, victim)))
1270 if (!(flags & MCP_FROM_SERVER))
1274 change->argc = argc; /* in case any turned out to be ignored */
1275 if (change->modes_set & MODE_SECRET) {
1276 change->modes_set &= ~(MODE_PRIVATE);
1277 change->modes_clear |= MODE_PRIVATE;
1278 } else if (change->modes_set & MODE_PRIVATE) {
1279 change->modes_set &= ~(MODE_SECRET);
1280 change->modes_clear |= MODE_SECRET;
1284 mod_chanmode_free(change);
1288 struct chanmode_buffer {
1291 struct chanNode *channel;
1292 struct userNode *actor;
1293 unsigned int modes_used;
1294 unsigned int args_used;
1296 unsigned int is_add : 1;
1300 mod_chanmode_append(struct chanmode_buffer *buf, char ch, const char *arg)
1302 size_t arg_len = strlen(arg);
1303 if (buf->modes_used + buf->args_used + buf->chname_len + arg_len > 450) {
1304 memcpy(buf->modes + buf->modes_used, buf->args, buf->args_used);
1305 buf->modes[buf->modes_used + buf->args_used] = '\0';
1306 irc_mode(buf->actor, buf->channel, buf->modes);
1307 buf->modes[0] = buf->is_add ? '+' : '-';
1308 buf->modes_used = 1;
1311 buf->modes[buf->modes_used++] = ch;
1312 buf->args[buf->args_used++] = ' ';
1313 memcpy(buf->args + buf->args_used, arg, arg_len);
1314 buf->args_used += arg_len;
1318 mod_chanmode_announce(struct userNode *who, struct chanNode *channel, struct mod_chanmode *change)
1320 struct chanmode_buffer chbuf;
1324 assert(change->argc <= change->alloc_argc);
1325 memset(&chbuf, 0, sizeof(chbuf));
1326 chbuf.channel = channel;
1328 chbuf.chname_len = strlen(channel->name);
1330 /* First remove modes */
1332 if (change->modes_clear) {
1333 chbuf.modes[chbuf.modes_used++] = '-';
1334 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR;
1335 DO_MODE_CHAR(PRIVATE, 'p');
1336 DO_MODE_CHAR(SECRET, 's');
1337 DO_MODE_CHAR(MODERATED, 'm');
1338 DO_MODE_CHAR(TOPICLIMIT, 't');
1339 DO_MODE_CHAR(INVITEONLY, 'i');
1340 DO_MODE_CHAR(NOPRIVMSGS, 'n');
1341 DO_MODE_CHAR(LIMIT, 'l');
1342 DO_MODE_CHAR(DELAYJOINS, 'D');
1343 DO_MODE_CHAR(REGONLY, 'R');
1344 DO_MODE_CHAR(NOCOLORS, 'c');
1346 if (change->modes_clear & channel->modes & MODE_KEY)
1347 mod_chanmode_append(&chbuf, 'k', channel->key);
1349 for (arg = 0; arg < change->argc; ++arg) {
1350 if (!(change->args[arg].mode & MODE_REMOVE))
1352 switch (change->args[arg].mode & ~MODE_REMOVE) {
1354 mod_chanmode_append(&chbuf, 'b', change->args[arg].hostmask);
1357 if (change->args[arg].mode & MODE_CHANOP)
1358 mod_chanmode_append(&chbuf, 'o', change->args[arg].member->user->nick);
1359 if (change->args[arg].mode & MODE_VOICE)
1360 mod_chanmode_append(&chbuf, 'v', change->args[arg].member->user->nick);
1367 if (change->modes_set) {
1368 chbuf.modes[chbuf.modes_used++] = '+';
1369 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) chbuf.modes[chbuf.modes_used++] = CHAR;
1370 DO_MODE_CHAR(PRIVATE, 'p');
1371 DO_MODE_CHAR(SECRET, 's');
1372 DO_MODE_CHAR(MODERATED, 'm');
1373 DO_MODE_CHAR(TOPICLIMIT, 't');
1374 DO_MODE_CHAR(INVITEONLY, 'i');
1375 DO_MODE_CHAR(NOPRIVMSGS, 'n');
1376 DO_MODE_CHAR(DELAYJOINS, 'D');
1377 DO_MODE_CHAR(REGONLY, 'R');
1378 DO_MODE_CHAR(NOCOLORS, 'c');
1380 if (change->modes_set & MODE_KEY)
1381 mod_chanmode_append(&chbuf, 'k', change->new_key);
1382 if (change->modes_set & MODE_LIMIT)
1384 sprintf(int_buff, "%d", change->new_limit);
1385 mod_chanmode_append(&chbuf, 'l', int_buff);
1388 for (arg = 0; arg < change->argc; ++arg) {
1389 if (change->args[arg].mode & MODE_REMOVE)
1391 switch (change->args[arg].mode) {
1393 mod_chanmode_append(&chbuf, 'b', change->args[arg].hostmask);
1396 if (change->args[arg].mode & MODE_CHANOP)
1397 mod_chanmode_append(&chbuf, 'o', change->args[arg].member->user->nick);
1398 if (change->args[arg].mode & MODE_VOICE)
1399 mod_chanmode_append(&chbuf, 'v', change->args[arg].member->user->nick);
1404 /* Flush the buffer and apply changes locally */
1405 if (chbuf.modes_used > 0) {
1406 memcpy(chbuf.modes + chbuf.modes_used, chbuf.args, chbuf.args_used);
1407 chbuf.modes[chbuf.modes_used + chbuf.args_used] = '\0';
1408 irc_mode(chbuf.actor, chbuf.channel, chbuf.modes);
1410 mod_chanmode_apply(who, channel, change);
1414 mod_chanmode_format(struct mod_chanmode *change, char *outbuff)
1416 unsigned int used = 0;
1417 assert(change->argc <= change->alloc_argc);
1418 if (change->modes_clear) {
1419 outbuff[used++] = '-';
1420 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_clear & MODE_##BIT) outbuff[used++] = CHAR
1421 DO_MODE_CHAR(PRIVATE, 'p');
1422 DO_MODE_CHAR(SECRET, 's');
1423 DO_MODE_CHAR(MODERATED, 'm');
1424 DO_MODE_CHAR(TOPICLIMIT, 't');
1425 DO_MODE_CHAR(INVITEONLY, 'i');
1426 DO_MODE_CHAR(NOPRIVMSGS, 'n');
1427 DO_MODE_CHAR(LIMIT, 'l');
1428 DO_MODE_CHAR(KEY, 'k');
1429 DO_MODE_CHAR(DELAYJOINS, 'D');
1430 DO_MODE_CHAR(REGONLY, '$');
1431 DO_MODE_CHAR(NOCOLORS, 'c');
1434 if (change->modes_set) {
1435 outbuff[used++] = '+';
1436 #define DO_MODE_CHAR(BIT, CHAR) if (change->modes_set & MODE_##BIT) outbuff[used++] = CHAR
1437 DO_MODE_CHAR(PRIVATE, 'p');
1438 DO_MODE_CHAR(SECRET, 's');
1439 DO_MODE_CHAR(MODERATED, 'm');
1440 DO_MODE_CHAR(TOPICLIMIT, 't');
1441 DO_MODE_CHAR(INVITEONLY, 'i');
1442 DO_MODE_CHAR(NOPRIVMSGS, 'n');
1443 DO_MODE_CHAR(DELAYJOINS, 'D');
1444 DO_MODE_CHAR(REGONLY, 'R');
1445 DO_MODE_CHAR(NOCOLORS, 'c');
1447 switch (change->modes_set & (MODE_KEY|MODE_LIMIT)) {
1448 case MODE_KEY|MODE_LIMIT:
1449 used += sprintf(outbuff+used, "lk %d %s", change->new_limit, change->new_key);
1452 used += sprintf(outbuff+used, "k %s", change->new_key);
1455 used += sprintf(outbuff+used, "l %d", change->new_limit);