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source: irc_im.c @ 33528bd

Last change on this file since 33528bd was e3e2059, checked in by dequis <dx@…>, at 2015-04-06T12:35:57Z

irc: split bee_irc_chat_name_hint in a few functions

Also split underscore_dedupe from nick_dedupe.

Property mode set to 100644

File size: 26.1 KB

Line
1	/********************************************************************\
2	* BitlBee -- An IRC to other IM-networks gateway *
3	* *
4	* Copyright 2002-2012 Wilmer van der Gaast and others *
5	\********************************************************************/
6
7	/* Some glue to put the IRC and the IM stuff together. */
8
9	/*
10	This program is free software; you can redistribute it and/or modify
11	it under the terms of the GNU General Public License as published by
12	the Free Software Foundation; either version 2 of the License, or
13	(at your option) any later version.
14
15	This program is distributed in the hope that it will be useful,
16	but WITHOUT ANY WARRANTY; without even the implied warranty of
17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18	GNU General Public License for more details.
19
20	You should have received a copy of the GNU General Public License with
21	the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
22	if not, write to the Free Software Foundation, Inc., 51 Franklin St.,
23	Fifth Floor, Boston, MA 02110-1301 USA
24	*/
25
26	#include "bitlbee.h"
27	#include "dcc.h"
28
29	/* IM->IRC callbacks: Simple IM/buddy-related stuff. */
30
31	static const struct irc_user_funcs irc_user_im_funcs;
32
33	static void bee_irc_imc_connected(struct im_connection *ic)
34	{
35	irc_t irc = (irc_t ) ic->bee->ui_data;
36
37	irc_channel_auto_joins(irc, ic->acc);
38	}
39
40	static void bee_irc_imc_disconnected(struct im_connection *ic)
41	{
42	/* Maybe try to send /QUITs here instead of later on. */
43	}
44
45	static gboolean bee_irc_user_new(bee_t bee, bee_user_t bu)
46	{
47	irc_user_t *iu;
48	irc_t irc = (irc_t ) bee->ui_data;
49	char nick[MAX_NICK_LENGTH + 1], *s;
50
51	memset(nick, 0, MAX_NICK_LENGTH + 1);
52	strcpy(nick, nick_get(bu));
53
54	bu->ui_data = iu = irc_user_new(irc, nick);
55	iu->bu = bu;
56
57	if (set_getbool(&irc->b->set, "private")) {
58	iu->last_channel = NULL;
59	} else {
60	iu->last_channel = irc_channel_with_user(irc, iu);
61	}
62
63	if ((s = strchr(bu->handle, '@'))) {
64	iu->host = g_strdup(s + 1);
65	iu->user = g_strndup(bu->handle, s - bu->handle);
66	} else {
67	iu->user = g_strdup(bu->handle);
68	if (bu->ic->acc->server) {
69	iu->host = g_strdup(bu->ic->acc->server);
70	} else {
71	char *s;
72	for (s = bu->ic->acc->tag; g_ascii_isalnum(*s); s++) {
73	;
74	}
75	/* Only use the tag if we got to the end of the string.
76	(So allow alphanumerics only. Hopefully not too
77	restrictive.) */
78	if (*s) {
79	iu->host = g_strdup(bu->ic->acc->prpl->name);
80	} else {
81	iu->host = g_strdup(bu->ic->acc->tag);
82	}
83	}
84	}
85
86	while ((s = strchr(iu->user, ' '))) {
87	*s = '_';
88	}
89
90	if (bu->flags & BEE_USER_LOCAL) {
91	char *s = set_getstr(&bee->set, "handle_unknown");
92
93	if (strcmp(s, "add_private") == 0) {
94	iu->last_channel = NULL;
95	} else if (strcmp(s, "add_channel") == 0) {
96	iu->last_channel = irc->default_channel;
97	}
98	}
99
100	iu->f = &irc_user_im_funcs;
101
102	return TRUE;
103	}
104
105	static gboolean bee_irc_user_free(bee_t bee, bee_user_t bu)
106	{
107	return irc_user_free(bee->ui_data, (irc_user_t *) bu->ui_data);
108	}
109
110	static gboolean bee_irc_user_status(bee_t bee, bee_user_t bu, bee_user_t *old)
111	{
112	irc_t *irc = bee->ui_data;
113	irc_user_t *iu = bu->ui_data;
114
115	/* Do this outside the if below since away state can change without
116	the online state changing. */
117	iu->flags &= ~IRC_USER_AWAY;
118	if (bu->flags & BEE_USER_AWAY \|\| !(bu->flags & BEE_USER_ONLINE)) {
119	iu->flags \|= IRC_USER_AWAY;
120	}
121
122	if ((bu->flags & BEE_USER_ONLINE) != (old->flags & BEE_USER_ONLINE)) {
123	if (bu->flags & BEE_USER_ONLINE) {
124	if (g_hash_table_lookup(irc->watches, iu->key)) {
125	irc_send_num(irc, 600, "%s %s %s %d :%s", iu->nick, iu->user,
126	iu->host, (int) time(NULL), "logged online");
127	}
128	} else {
129	if (g_hash_table_lookup(irc->watches, iu->key)) {
130	irc_send_num(irc, 601, "%s %s %s %d :%s", iu->nick, iu->user,
131	iu->host, (int) time(NULL), "logged offline");
132	}
133
134	/* Send a QUIT since those will also show up in any
135	query windows the user may have, plus it's only
136	one QUIT instead of possibly many (in case of
137	multiple control chans). If there's a channel that
138	shows offline people, a JOIN will follow. */
139	if (set_getbool(&bee->set, "offline_user_quits")) {
140	irc_user_quit(iu, "Leaving...");
141	}
142	}
143	}
144
145	/* Reset this one since the info may have changed. */
146	iu->away_reply_timeout = 0;
147
148	bee_irc_channel_update(irc, NULL, iu);
149
150	return TRUE;
151	}
152
153	void bee_irc_channel_update(irc_t irc, irc_channel_t ic, irc_user_t *iu)
154	{
155	GSList *l;
156
157	if (ic == NULL) {
158	for (l = irc->channels; l; l = l->next) {
159	ic = l->data;
160	/* TODO: Just add a type flag or so.. */
161	if (ic->f == irc->default_channel->f &&
162	(ic->flags & IRC_CHANNEL_JOINED)) {
163	bee_irc_channel_update(irc, ic, iu);
164	}
165	}
166	return;
167	}
168	if (iu == NULL) {
169	for (l = irc->users; l; l = l->next) {
170	iu = l->data;
171	if (iu->bu) {
172	bee_irc_channel_update(irc, ic, l->data);
173	}
174	}
175	return;
176	}
177
178	if (!irc_channel_wants_user(ic, iu)) {
179	irc_channel_del_user(ic, iu, IRC_CDU_PART, NULL);
180	} else {
181	struct irc_control_channel *icc = ic->data;
182	int mode = 0;
183
184	if (!(iu->bu->flags & BEE_USER_ONLINE)) {
185	mode = icc->modes[0];
186	} else if (iu->bu->flags & BEE_USER_AWAY) {
187	mode = icc->modes[1];
188	} else if (iu->bu->flags & BEE_USER_SPECIAL) {
189	mode = icc->modes[2];
190	} else {
191	mode = icc->modes[3];
192	}
193
194	if (!mode) {
195	irc_channel_del_user(ic, iu, IRC_CDU_PART, NULL);
196	} else {
197	irc_channel_add_user(ic, iu);
198	irc_channel_user_set_mode(ic, iu, mode);
199	}
200	}
201	}
202
203	static gboolean bee_irc_user_msg(bee_t bee, bee_user_t bu, const char *msg_, time_t sent_at)
204	{
205	irc_t *irc = bee->ui_data;
206	irc_user_t iu = (irc_user_t ) bu->ui_data;
207	const char *dst;
208	char *prefix = NULL;
209	char wrapped, ts = NULL;
210	char *msg = g_strdup(msg_);
211	GSList *l;
212
213	if (sent_at > 0 && set_getbool(&irc->b->set, "display_timestamps")) {
214	ts = irc_format_timestamp(irc, sent_at);
215	}
216
217	dst = irc_user_msgdest(iu);
218	if (dst != irc->user->nick) {
219	/* if not messaging directly, call user by name */
220	prefix = g_strdup_printf("%s%s%s", irc->user->nick, set_getstr(&bee->set, "to_char"), ts ? : "");
221	} else {
222	prefix = ts;
223	ts = NULL; /* don't double-free */
224	}
225
226	for (l = irc_plugins; l; l = l->next) {
227	irc_plugin_t *p = l->data;
228	if (p->filter_msg_in) {
229	char *s = p->filter_msg_in(iu, msg, 0);
230	if (s) {
231	if (s != msg) {
232	g_free(msg);
233	}
234	msg = s;
235	} else {
236	/* Modules can swallow messages. */
237	goto cleanup;
238	}
239	}
240	}
241
242	if ((g_strcasecmp(set_getstr(&bee->set, "strip_html"), "always") == 0) \|\|
243	((bu->ic->flags & OPT_DOES_HTML) && set_getbool(&bee->set, "strip_html"))) {
244	char *s = g_strdup(msg);
245	strip_html(s);
246	g_free(msg);
247	msg = s;
248	}
249
250	wrapped = word_wrap(msg, 425);
251	irc_send_msg(iu, "PRIVMSG", dst, wrapped, prefix);
252	g_free(wrapped);
253
254	cleanup:
255	g_free(prefix);
256	g_free(msg);
257	g_free(ts);
258
259	return TRUE;
260	}
261
262	static gboolean bee_irc_user_typing(bee_t bee, bee_user_t bu, uint32_t flags)
263	{
264	irc_t irc = (irc_t ) bee->ui_data;
265
266	if (set_getbool(&bee->set, "typing_notice")) {
267	irc_send_msg_f((irc_user_t *) bu->ui_data, "PRIVMSG", irc->user->nick,
268	"\001TYPING %d\001", (flags >> 8) & 3);
269	} else {
270	return FALSE;
271	}
272
273	return TRUE;
274	}
275
276	static gboolean bee_irc_user_action_response(bee_t bee, bee_user_t bu, const char action, char const args[],
277	void *data)
278	{
279	irc_t irc = (irc_t ) bee->ui_data;
280	GString *msg = g_string_new("\001");
281
282	g_string_append(msg, action);
283	while (*args) {
284	if (strchr(*args, ' ')) {
285	g_string_append_printf(msg, " \"%s\"", *args);
286	} else {
287	g_string_append_printf(msg, " %s", *args);
288	}
289	args++;
290	}
291	g_string_append_c(msg, '\001');
292
293	irc_send_msg((irc_user_t *) bu->ui_data, "NOTICE", irc->user->nick, msg->str, NULL);
294
295	g_string_free(msg, TRUE);
296
297	return TRUE;
298	}
299
300	static gboolean bee_irc_user_nick_update(irc_user_t *iu);
301
302	static gboolean bee_irc_user_fullname(bee_t bee, bee_user_t bu)
303	{
304	irc_user_t iu = (irc_user_t ) bu->ui_data;
305	char *s;
306
307	if (iu->fullname != iu->nick) {
308	g_free(iu->fullname);
309	}
310	iu->fullname = g_strdup(bu->fullname);
311
312	/* Strip newlines (unlikely, but IRC-unfriendly so they must go)
313	TODO(wilmer): Do the same with away msgs again! */
314	for (s = iu->fullname; *s; s++) {
315	if (g_ascii_isspace(*s)) {
316	*s = ' ';
317	}
318	}
319
320	if ((bu->ic->flags & OPT_LOGGED_IN) && set_getbool(&bee->set, "display_namechanges")) {
321	/* People don't like this /NOTICE. Meh, let's go back to the old one.
322	char *msg = g_strdup_printf( "<< \002BitlBee\002 - Changed name to `%s' >>", iu->fullname );
323	irc_send_msg( iu, "NOTICE", irc->user->nick, msg, NULL );
324	*/
325	imcb_log(bu->ic, "User `%s' changed name to `%s'", iu->nick, iu->fullname);
326	}
327
328	bee_irc_user_nick_update(iu);
329
330	return TRUE;
331	}
332
333	static gboolean bee_irc_user_nick_hint(bee_t bee, bee_user_t bu, const char *hint)
334	{
335	bee_irc_user_nick_update((irc_user_t *) bu->ui_data);
336
337	return TRUE;
338	}
339
340	static gboolean bee_irc_user_group(bee_t bee, bee_user_t bu)
341	{
342	irc_user_t iu = (irc_user_t ) bu->ui_data;
343	irc_t irc = (irc_t ) bee->ui_data;
344	bee_user_flags_t online;
345
346	/* Take the user offline temporarily so we can change the nick (if necessary). */
347	if ((online = bu->flags & BEE_USER_ONLINE)) {
348	bu->flags &= ~BEE_USER_ONLINE;
349	}
350
351	bee_irc_channel_update(irc, NULL, iu);
352	bee_irc_user_nick_update(iu);
353
354	if (online) {
355	bu->flags \|= online;
356	bee_irc_channel_update(irc, NULL, iu);
357	}
358
359	return TRUE;
360	}
361
362	static gboolean bee_irc_user_nick_update(irc_user_t *iu)
363	{
364	bee_user_t *bu = iu->bu;
365	char *newnick;
366
367	if (bu->flags & BEE_USER_ONLINE) {
368	/* Ignore if the user is visible already. */
369	return TRUE;
370	}
371
372	if (nick_saved(bu)) {
373	/* The user already assigned a nickname to this person. */
374	return TRUE;
375	}
376
377	newnick = nick_get(bu);
378
379	if (strcmp(iu->nick, newnick) != 0) {
380	nick_dedupe(bu, newnick);
381	irc_user_set_nick(iu, newnick);
382	}
383
384	return TRUE;
385	}
386
387	void bee_irc_user_nick_reset(irc_user_t *iu)
388	{
389	bee_user_t *bu = iu->bu;
390	bee_user_flags_t online;
391
392	if (bu == FALSE) {
393	return;
394	}
395
396	/* In this case, pretend the user is offline. */
397	if ((online = bu->flags & BEE_USER_ONLINE)) {
398	bu->flags &= ~BEE_USER_ONLINE;
399	}
400
401	nick_del(bu);
402	bee_irc_user_nick_update(iu);
403
404	bu->flags \|= online;
405	}
406
407	/* IRC->IM calls */
408
409	static gboolean bee_irc_user_privmsg_cb(gpointer data, gint fd, b_input_condition cond);
410
411	static gboolean bee_irc_user_privmsg(irc_user_t iu, const char msg)
412	{
413	const char *away;
414
415	if (iu->bu == NULL) {
416	return FALSE;
417	}
418
419	if ((away = irc_user_get_away(iu)) &&
420	time(NULL) >= iu->away_reply_timeout) {
421	irc_send_num(iu->irc, 301, "%s :%s", iu->nick, away);
422	iu->away_reply_timeout = time(NULL) +
423	set_getint(&iu->irc->b->set, "away_reply_timeout");
424	}
425
426	if (iu->pastebuf == NULL) {
427	iu->pastebuf = g_string_new(msg);
428	} else {
429	b_event_remove(iu->pastebuf_timer);
430	g_string_append_printf(iu->pastebuf, "\n%s", msg);
431	}
432
433	if (set_getbool(&iu->irc->b->set, "paste_buffer")) {
434	int delay;
435
436	if ((delay = set_getint(&iu->irc->b->set, "paste_buffer_delay")) <= 5) {
437	delay *= 1000;
438	}
439
440	iu->pastebuf_timer = b_timeout_add(delay, bee_irc_user_privmsg_cb, iu);
441
442	return TRUE;
443	} else {
444	bee_irc_user_privmsg_cb(iu, 0, 0);
445
446	return TRUE;
447	}
448	}
449
450	static gboolean bee_irc_user_privmsg_cb(gpointer data, gint fd, b_input_condition cond)
451	{
452	irc_user_t *iu = data;
453	char *msg;
454	GSList *l;
455
456	msg = g_string_free(iu->pastebuf, FALSE);
457	iu->pastebuf = NULL;
458	iu->pastebuf_timer = 0;
459
460	for (l = irc_plugins; l; l = l->next) {
461	irc_plugin_t *p = l->data;
462	if (p->filter_msg_out) {
463	char *s = p->filter_msg_out(iu, msg, 0);
464	if (s) {
465	if (s != msg) {
466	g_free(msg);
467	}
468	msg = s;
469	} else {
470	/* Modules can swallow messages. */
471	iu->pastebuf = NULL;
472	g_free(msg);
473	return FALSE;
474	}
475	}
476	}
477
478	bee_user_msg(iu->irc->b, iu->bu, msg, 0);
479
480	g_free(msg);
481
482	return FALSE;
483	}
484
485	static gboolean bee_irc_user_ctcp(irc_user_t iu, char const *ctcp)
486	{
487	if (ctcp[1] && g_strcasecmp(ctcp[0], "DCC") == 0
488	&& g_strcasecmp(ctcp[1], "SEND") == 0) {
489	if (iu->bu && iu->bu->ic && iu->bu->ic->acc->prpl->transfer_request) {
490	file_transfer_t *ft = dcc_request(iu->bu->ic, ctcp);
491	if (ft) {
492	iu->bu->ic->acc->prpl->transfer_request(iu->bu->ic, ft, iu->bu->handle);
493	}
494
495	return TRUE;
496	}
497	} else if (g_strcasecmp(ctcp[0], "TYPING") == 0) {
498	if (iu->bu && iu->bu->ic && iu->bu->ic->acc->prpl->send_typing && ctcp[1]) {
499	int st = ctcp[1][0];
500	if (st >= '0' && st <= '2') {
501	st <<= 8;
502	iu->bu->ic->acc->prpl->send_typing(iu->bu->ic, iu->bu->handle, st);
503	}
504
505	return TRUE;
506	}
507	} else if (g_strcasecmp(ctcp[0], "HELP") == 0 && iu->bu) {
508	GString *supp = g_string_new("Supported CTCPs:");
509	GList *l;
510
511	if (iu->bu->ic && iu->bu->ic->acc->prpl->transfer_request) {
512	g_string_append(supp, " DCC SEND,");
513	}
514	if (iu->bu->ic && iu->bu->ic->acc->prpl->send_typing) {
515	g_string_append(supp, " TYPING,");
516	}
517	if (iu->bu->ic->acc->prpl->buddy_action_list) {
518	for (l = iu->bu->ic->acc->prpl->buddy_action_list(iu->bu); l; l = l->next) {
519	struct buddy_action *ba = l->data;
520	g_string_append_printf(supp, " %s (%s),",
521	ba->name, ba->description);
522	}
523	}
524	g_string_truncate(supp, supp->len - 1);
525	irc_send_msg_f(iu, "NOTICE", iu->irc->user->nick, "\001HELP %s\001", supp->str);
526	g_string_free(supp, TRUE);
527	} else if (iu->bu && iu->bu->ic && iu->bu->ic->acc->prpl->buddy_action) {
528	iu->bu->ic->acc->prpl->buddy_action(iu->bu, ctcp[0], ctcp + 1, NULL);
529	}
530
531	return FALSE;
532	}
533
534	static const struct irc_user_funcs irc_user_im_funcs = {
535	bee_irc_user_privmsg,
536	bee_irc_user_ctcp,
537	};
538
539
540	/* IM->IRC: Groupchats */
541	const struct irc_channel_funcs irc_channel_im_chat_funcs;
542
543	static gboolean bee_irc_chat_new(bee_t bee, struct groupchat c)
544	{
545	irc_t *irc = bee->ui_data;
546	irc_channel_t *ic;
547	char *topic;
548	GSList *l;
549	int i;
550
551	/* Try to find a channel that expects to receive a groupchat.
552	This flag is set earlier in our current call trace. */
553	for (l = irc->channels; l; l = l->next) {
554	ic = l->data;
555	if (ic->flags & IRC_CHANNEL_CHAT_PICKME) {
556	break;
557	}
558	}
559
560	/* If we found none, just generate some stupid name. */
561	if (l == NULL) {
562	for (i = 0; i <= 999; i++) {
563	char name[16];
564	sprintf(name, "#chat_%03d", i);
565	if ((ic = irc_channel_new(irc, name))) {
566	break;
567	}
568	}
569	}
570
571	if (ic == NULL) {
572	return FALSE;
573	}
574
575	c->ui_data = ic;
576	ic->data = c;
577
578	topic = g_strdup_printf(
579	"BitlBee groupchat: \"%s\". Please keep in mind that root-commands won't work here. Have fun!",
580	c->title);
581	irc_channel_set_topic(ic, topic, irc->root);
582	g_free(topic);
583
584	return TRUE;
585	}
586
587	static gboolean bee_irc_chat_free(bee_t bee, struct groupchat c)
588	{
589	irc_channel_t *ic = c->ui_data;
590
591	if (ic == NULL) {
592	return FALSE;
593	}
594
595	if (ic->flags & IRC_CHANNEL_JOINED) {
596	irc_channel_printf(ic, "Cleaning up channel, bye!");
597	}
598
599	ic->data = NULL;
600	c->ui_data = NULL;
601	irc_channel_del_user(ic, ic->irc->user, IRC_CDU_KICK, "Chatroom closed by server");
602
603	return TRUE;
604	}
605
606	static gboolean bee_irc_chat_log(bee_t bee, struct groupchat c, const char *text)
607	{
608	irc_channel_t *ic = c->ui_data;
609
610	if (ic == NULL) {
611	return FALSE;
612	}
613
614	irc_channel_printf(ic, "%s", text);
615
616	return TRUE;
617	}
618
619	static gboolean bee_irc_chat_msg(bee_t bee, struct groupchat c, bee_user_t bu, const char msg, time_t sent_at)
620	{
621	irc_t *irc = bee->ui_data;
622	irc_user_t *iu = bu->ui_data;
623	irc_channel_t *ic = c->ui_data;
624	char wrapped, ts = NULL;
625
626	if (ic == NULL) {
627	return FALSE;
628	}
629
630	if (sent_at > 0 && set_getbool(&bee->set, "display_timestamps")) {
631	ts = irc_format_timestamp(irc, sent_at);
632	}
633
634	wrapped = word_wrap(msg, 425);
635	irc_send_msg(iu, "PRIVMSG", ic->name, wrapped, ts);
636	g_free(ts);
637	g_free(wrapped);
638
639	return TRUE;
640	}
641
642	static gboolean bee_irc_chat_add_user(bee_t bee, struct groupchat c, bee_user_t *bu)
643	{
644	irc_t *irc = bee->ui_data;
645	irc_channel_t *ic = c->ui_data;
646
647	if (ic == NULL) {
648	return FALSE;
649	}
650
651	irc_channel_add_user(ic, bu == bee->user ? irc->user : bu->ui_data);
652
653	return TRUE;
654	}
655
656	static gboolean bee_irc_chat_remove_user(bee_t bee, struct groupchat c, bee_user_t *bu)
657	{
658	irc_t *irc = bee->ui_data;
659	irc_channel_t *ic = c->ui_data;
660
661	if (ic == NULL \|\| bu == NULL) {
662	return FALSE;
663	}
664
665	/* TODO: Possible bug here: If a module removes $user here instead of just
666	using imcb_chat_free() and the channel was IRC_CHANNEL_TEMP, we get into
667	a broken state around here. */
668	irc_channel_del_user(ic, bu == bee->user ? irc->user : bu->ui_data, IRC_CDU_PART, NULL);
669
670	return TRUE;
671	}
672
673	static gboolean bee_irc_chat_topic(bee_t bee, struct groupchat c, const char new, bee_user_t bu)
674	{
675	irc_channel_t *ic = c->ui_data;
676	irc_t *irc = bee->ui_data;
677	irc_user_t *iu;
678
679	if (ic == NULL) {
680	return FALSE;
681	}
682
683	if (bu == NULL) {
684	iu = irc->root;
685	} else if (bu == bee->user) {
686	iu = irc->user;
687	} else {
688	iu = bu->ui_data;
689	}
690
691	irc_channel_set_topic(ic, new, iu);
692
693	return TRUE;
694	}
695
696	static gboolean bee_irc_chat_name_hint(bee_t bee, struct groupchat c, const char *name)
697	{
698	return irc_channel_name_hint(c->ui_data, name);
699	}
700
701	static gboolean bee_irc_chat_invite(bee_t bee, bee_user_t bu, const char name, const char msg)
702	{
703	char channel, s;
704	irc_t *irc = bee->ui_data;
705	irc_user_t *iu = bu->ui_data;
706	irc_channel_t *chan;
707
708	if (strchr(CTYPES, name[0])) {
709	channel = g_strdup(name);
710	} else {
711	channel = g_strdup_printf("#%s", name);
712	}
713
714	if ((s = strchr(channel, '@'))) {
715	*s = '\0';
716	}
717
718	if (strlen(channel) > MAX_NICK_LENGTH) {
719	/* If the channel name is very long (like those insane GTalk
720	UUID names), try if we can use the inviter's nick. */
721	s = g_strdup_printf("#%s", iu->nick);
722	if (irc_channel_by_name(irc, s) == NULL) {
723	g_free(channel);
724	channel = s;
725	}
726	}
727
728	if ((chan = irc_channel_new(irc, channel)) &&
729	set_setstr(&chan->set, "type", "chat") &&
730	set_setstr(&chan->set, "chat_type", "room") &&
731	set_setstr(&chan->set, "account", bu->ic->acc->tag) &&
732	set_setstr(&chan->set, "room", (char *) name)) {
733	/* I'm assuming that if the user didn't "chat add" the room
734	himself but got invited, it's temporary, so make this a
735	temporary mapping that is removed as soon as we /PART. */
736	chan->flags \|= IRC_CHANNEL_TEMP;
737	} else {
738	irc_channel_free(chan);
739	chan = NULL;
740	}
741	g_free(channel);
742
743	irc_send_msg_f(iu, "PRIVMSG", irc->user->nick, "<< \002BitlBee\002 - Invitation to chatroom %s >>", name);
744	if (msg) {
745	irc_send_msg(iu, "PRIVMSG", irc->user->nick, msg, NULL);
746	}
747	if (chan) {
748	irc_send_msg_f(iu, "PRIVMSG", irc->user->nick, "To join the room, just /join %s", chan->name);
749	irc_send_invite(iu, chan);
750	}
751
752	return TRUE;
753	}
754
755	/* IRC->IM */
756	static gboolean bee_irc_channel_chat_privmsg_cb(gpointer data, gint fd, b_input_condition cond);
757
758	static gboolean bee_irc_channel_chat_privmsg(irc_channel_t ic, const char msg)
759	{
760	struct groupchat *c = ic->data;
761	char trans = NULL, s;
762
763	if (c == NULL) {
764	return FALSE;
765	}
766
767	if (set_getbool(&ic->set, "translate_to_nicks")) {
768	char nick[MAX_NICK_LENGTH + 1];
769	irc_user_t *iu;
770
771	strncpy(nick, msg, MAX_NICK_LENGTH);
772	nick[MAX_NICK_LENGTH] = '\0';
773	if ((s = strchr(nick, ':')) \|\| (s = strchr(nick, ','))) {
774	*s = '\0';
775	if ((iu = irc_user_by_name(ic->irc, nick)) && iu->bu &&
776	iu->bu->nick && irc_channel_has_user(ic, iu)) {
777	trans = g_strconcat(iu->bu->nick, msg + (s - nick), NULL);
778	msg = trans;
779	}
780	}
781	}
782
783	if (set_getbool(&ic->irc->b->set, "paste_buffer")) {
784	int delay;
785
786	if (ic->pastebuf == NULL) {
787	ic->pastebuf = g_string_new(msg);
788	} else {
789	b_event_remove(ic->pastebuf_timer);
790	g_string_append_printf(ic->pastebuf, "\n%s", msg);
791	}
792
793	if ((delay = set_getint(&ic->irc->b->set, "paste_buffer_delay")) <= 5) {
794	delay *= 1000;
795	}
796
797	ic->pastebuf_timer = b_timeout_add(delay, bee_irc_channel_chat_privmsg_cb, ic);
798
799	g_free(trans);
800	return TRUE;
801	} else {
802	bee_chat_msg(ic->irc->b, c, msg, 0);
803	}
804
805	g_free(trans);
806	return TRUE;
807	}
808
809	static gboolean bee_irc_channel_chat_privmsg_cb(gpointer data, gint fd, b_input_condition cond)
810	{
811	irc_channel_t *ic = data;
812
813	if (ic->data) {
814	bee_chat_msg(ic->irc->b, ic->data, ic->pastebuf->str, 0);
815	}
816
817	g_string_free(ic->pastebuf, TRUE);
818	ic->pastebuf = 0;
819	ic->pastebuf_timer = 0;
820
821	return FALSE;
822	}
823
824	static gboolean bee_irc_channel_chat_join(irc_channel_t *ic)
825	{
826	char acc_s, room;
827	account_t *acc;
828
829	if (strcmp(set_getstr(&ic->set, "chat_type"), "room") != 0) {
830	return TRUE;
831	}
832
833	if ((acc_s = set_getstr(&ic->set, "account")) &&
834	(room = set_getstr(&ic->set, "room")) &&
835	(acc = account_get(ic->irc->b, acc_s)) &&
836	acc->ic && acc->prpl->chat_join) {
837	char *nick;
838
839	if (!(nick = set_getstr(&ic->set, "nick"))) {
840	nick = ic->irc->user->nick;
841	}
842
843	ic->flags \|= IRC_CHANNEL_CHAT_PICKME;
844	acc->prpl->chat_join(acc->ic, room, nick, NULL, &ic->set);
845	ic->flags &= ~IRC_CHANNEL_CHAT_PICKME;
846
847	return FALSE;
848	} else {
849	irc_send_num(ic->irc, 403, "%s :Can't join channel, account offline?", ic->name);
850	return FALSE;
851	}
852	}
853
854	static gboolean bee_irc_channel_chat_part(irc_channel_t ic, const char msg)
855	{
856	struct groupchat *c = ic->data;
857
858	if (c && c->ic->acc->prpl->chat_leave) {
859	c->ic->acc->prpl->chat_leave(c);
860	}
861
862	/* Remove the reference. We don't need it anymore. */
863	ic->data = NULL;
864
865	return TRUE;
866	}
867
868	static gboolean bee_irc_channel_chat_topic(irc_channel_t ic, const char new)
869	{
870	struct groupchat *c = ic->data;
871
872	if (c == NULL) {
873	return FALSE;
874	}
875
876	if (c->ic->acc->prpl->chat_topic == NULL) {
877	irc_send_num(ic->irc, 482, "%s :IM network does not support channel topics", ic->name);
878	} else {
879	/* TODO: Need more const goodness here, sigh */
880	char *topic = g_strdup(new);
881	c->ic->acc->prpl->chat_topic(c, topic);
882	g_free(topic);
883	}
884
885	/* Whatever happened, the IM module should ack the topic change. */
886	return FALSE;
887	}
888
889	static gboolean bee_irc_channel_chat_invite(irc_channel_t ic, irc_user_t iu)
890	{
891	struct groupchat *c = ic->data;
892	bee_user_t *bu = iu->bu;
893
894	if (bu == NULL) {
895	return FALSE;
896	}
897
898	if (c) {
899	if (iu->bu->ic != c->ic) {
900	irc_send_num(ic->irc, 482, "%s :Can't mix different IM networks in one groupchat", ic->name);
901	} else if (c->ic->acc->prpl->chat_invite) {
902	c->ic->acc->prpl->chat_invite(c, iu->bu->handle, NULL);
903	} else {
904	irc_send_num(ic->irc, 482, "%s :IM protocol does not support room invitations", ic->name);
905	}
906	} else if (bu->ic->acc->prpl->chat_with &&
907	strcmp(set_getstr(&ic->set, "chat_type"), "groupchat") == 0) {
908	ic->flags \|= IRC_CHANNEL_CHAT_PICKME;
909	iu->bu->ic->acc->prpl->chat_with(bu->ic, bu->handle);
910	ic->flags &= ~IRC_CHANNEL_CHAT_PICKME;
911	} else {
912	irc_send_num(ic->irc, 482, "%s :IM protocol does not support room invitations", ic->name);
913	}
914
915	return TRUE;
916	}
917
918	static void bee_irc_channel_chat_kick(irc_channel_t ic, irc_user_t iu, const char *msg)
919	{
920	struct groupchat *c = ic->data;
921	bee_user_t *bu = iu->bu;
922
923	if ((c == NULL) \|\| (bu == NULL)) {
924	return;
925	}
926
927	if (!c->ic->acc->prpl->chat_kick) {
928	irc_send_num(ic->irc, 482, "%s :IM protocol does not support room kicking", ic->name);
929	return;
930	}
931
932	c->ic->acc->prpl->chat_kick(c, iu->bu->handle, msg);
933	}
934
935	static char set_eval_room_account(set_t set, char *value);
936	static char set_eval_chat_type(set_t set, char *value);
937
938	static gboolean bee_irc_channel_init(irc_channel_t *ic)
939	{
940	set_t *s;
941
942	set_add(&ic->set, "account", NULL, set_eval_room_account, ic);
943	set_add(&ic->set, "chat_type", "groupchat", set_eval_chat_type, ic);
944
945	s = set_add(&ic->set, "nick", NULL, NULL, ic);
946	s->flags \|= SET_NULL_OK;
947
948	set_add(&ic->set, "room", NULL, NULL, ic);
949	set_add(&ic->set, "translate_to_nicks", "true", set_eval_bool, ic);
950
951	/* chat_type == groupchat */
952	ic->flags \|= IRC_CHANNEL_TEMP;
953
954	return TRUE;
955	}
956
957	static char set_eval_room_account(set_t set, char *value)
958	{
959	struct irc_channel *ic = set->data;
960	account_t acc, oa;
961
962	if (!(acc = account_get(ic->irc->b, value))) {
963	return SET_INVALID;
964	} else if (!acc->prpl->chat_join) {
965	irc_rootmsg(ic->irc, "Named chatrooms not supported on that account.");
966	return SET_INVALID;
967	}
968
969	if (set->value && (oa = account_get(ic->irc->b, set->value)) &&
970	oa->prpl->chat_free_settings) {
971	oa->prpl->chat_free_settings(oa, &ic->set);
972	}
973
974	if (acc->prpl->chat_add_settings) {
975	acc->prpl->chat_add_settings(acc, &ic->set);
976	}
977
978	return g_strdup(acc->tag);
979	}
980
981	static char set_eval_chat_type(set_t set, char *value)
982	{
983	struct irc_channel *ic = set->data;
984
985	if (strcmp(value, "groupchat") == 0) {
986	ic->flags \|= IRC_CHANNEL_TEMP;
987	} else if (strcmp(value, "room") == 0) {
988	ic->flags &= ~IRC_CHANNEL_TEMP;
989	} else {
990	return NULL;
991	}
992
993	return value;
994	}
995
996	static gboolean bee_irc_channel_free(irc_channel_t *ic)
997	{
998	struct groupchat *c = ic->data;
999
1000	set_del(&ic->set, "account");
1001	set_del(&ic->set, "chat_type");
1002	set_del(&ic->set, "nick");
1003	set_del(&ic->set, "room");
1004	set_del(&ic->set, "translate_to_nicks");
1005
1006	ic->flags &= ~IRC_CHANNEL_TEMP;
1007
1008	/* That one still points at this channel. Don't. */
1009	if (c) {
1010	c->ui_data = NULL;
1011	}
1012
1013	return TRUE;
1014	}
1015
1016	const struct irc_channel_funcs irc_channel_im_chat_funcs = {
1017	bee_irc_channel_chat_privmsg,
1018	bee_irc_channel_chat_join,
1019	bee_irc_channel_chat_part,
1020	bee_irc_channel_chat_topic,
1021	bee_irc_channel_chat_invite,
1022	bee_irc_channel_chat_kick,
1023
1024	bee_irc_channel_init,
1025	bee_irc_channel_free,
1026	};
1027
1028
1029	/* IM->IRC: File transfers */
1030	static file_transfer_t bee_irc_ft_in_start(bee_t bee, bee_user_t bu, const char file_name, size_t file_size)
1031	{
1032	return dccs_send_start(bu->ic, (irc_user_t *) bu->ui_data, file_name, file_size);
1033	}
1034
1035	static gboolean bee_irc_ft_out_start(struct im_connection ic, file_transfer_t ft)
1036	{
1037	return dccs_recv_start(ft);
1038	}
1039
1040	static void bee_irc_ft_close(struct im_connection ic, file_transfer_t ft)
1041	{
1042	return dcc_close(ft);
1043	}
1044
1045	static void bee_irc_ft_finished(struct im_connection ic, file_transfer_t file)
1046	{
1047	dcc_file_transfer_t *df = file->priv;
1048
1049	if (file->bytes_transferred >= file->file_size) {
1050	dcc_finish(file);
1051	} else {
1052	df->proto_finished = TRUE;
1053	}
1054	}
1055
1056	const struct bee_ui_funcs irc_ui_funcs = {
1057	bee_irc_imc_connected,
1058	bee_irc_imc_disconnected,
1059
1060	bee_irc_user_new,
1061	bee_irc_user_free,
1062	bee_irc_user_fullname,
1063	bee_irc_user_nick_hint,
1064	bee_irc_user_group,
1065	bee_irc_user_status,
1066	bee_irc_user_msg,
1067	bee_irc_user_typing,
1068	bee_irc_user_action_response,
1069
1070	bee_irc_chat_new,
1071	bee_irc_chat_free,
1072	bee_irc_chat_log,
1073	bee_irc_chat_msg,
1074	bee_irc_chat_add_user,
1075	bee_irc_chat_remove_user,
1076	bee_irc_chat_topic,
1077	bee_irc_chat_name_hint,
1078	bee_irc_chat_invite,
1079
1080	bee_irc_ft_in_start,
1081	bee_irc_ft_out_start,
1082	bee_irc_ft_close,
1083	bee_irc_ft_finished,
1084	};

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