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source: protocols/jabber/jabber.c @ b9572c1

Last change on this file since b9572c1 was 246b98b, checked in by dequis <dx@…>, at 2018-03-31T03:05:46Z

jabber: try to join anyway after "Already present in chat"

Most of the time that error meant a confusion on bitlbee's side, often a
server for which we sent a join request and never got a reply for.

Property mode set to 100644

File size: 22.8 KB

Line
1	/***************************************************************************\
2	* *
3	* BitlBee - An IRC to IM gateway *
4	* Jabber module - Main file *
5	* *
6	* Copyright 2006-2013 Wilmer van der Gaast <wilmer@gaast.net> *
7	* *
8	* This program is free software; you can redistribute it and/or modify *
9	* it under the terms of the GNU General Public License as published by *
10	* the Free Software Foundation; either version 2 of the License, or *
11	* (at your option) any later version. *
12	* *
13	* This program is distributed in the hope that it will be useful, *
14	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
16	* GNU General Public License for more details. *
17	* *
18	* You should have received a copy of the GNU General Public License along *
19	* with this program; if not, write to the Free Software Foundation, Inc., *
20	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
21	* *
22	\***************************************************************************/
23
24	#include <glib.h>
25	#include <string.h>
26	#include <unistd.h>
27	#include <ctype.h>
28	#include <stdio.h>
29
30	#include "ssl_client.h"
31	#include "xmltree.h"
32	#include "bitlbee.h"
33	#include "jabber.h"
34	#include "oauth.h"
35	#include "md5.h"
36
37	GSList *jabber_connections;
38
39	/* First enty is the default */
40	static const int jabber_port_list[] = {
41	5222,
42	5223,
43	5220,
44	5221,
45	5224,
46	5225,
47	5226,
48	5227,
49	5228,
50	5229,
51	80,
52	443,
53	0
54	};
55
56	static void jabber_init(account_t *acc)
57	{
58	set_t *s;
59	char str[16];
60
61	s = set_add(&acc->set, "activity_timeout", "600", set_eval_int, acc);
62
63	s = set_add(&acc->set, "display_name", NULL, NULL, acc);
64
65	g_snprintf(str, sizeof(str), "%d", jabber_port_list[0]);
66	s = set_add(&acc->set, "port", str, set_eval_int, acc);
67	s->flags \|= ACC_SET_OFFLINE_ONLY;
68
69	s = set_add(&acc->set, "priority", "0", set_eval_priority, acc);
70
71	s = set_add(&acc->set, "proxy", "<local>;<auto>", NULL, acc);
72
73	s = set_add(&acc->set, "resource", "BitlBee", NULL, acc);
74	s->flags \|= ACC_SET_OFFLINE_ONLY;
75
76	s = set_add(&acc->set, "resource_select", "activity", NULL, acc);
77
78	s = set_add(&acc->set, "sasl", "true", set_eval_bool, acc);
79	s->flags \|= ACC_SET_OFFLINE_ONLY \| SET_HIDDEN_DEFAULT;
80
81	s = set_add(&acc->set, "server", NULL, set_eval_account, acc);
82	s->flags \|= SET_NOSAVE \| ACC_SET_OFFLINE_ONLY \| SET_NULL_OK;
83
84	set_add(&acc->set, "oauth", "false", set_eval_oauth, acc);
85
86	if (strcmp(acc->prpl->name, "hipchat") == 0) {
87	set_setstr(&acc->set, "server", "chat.hipchat.com");
88	} else {
89	/* this reuses set_eval_oauth, which clears the password */
90	set_add(&acc->set, "anonymous", "false", set_eval_oauth, acc);
91	}
92
93	s = set_add(&acc->set, "ssl", "false", set_eval_bool, acc);
94	s->flags \|= ACC_SET_OFFLINE_ONLY;
95
96	s = set_add(&acc->set, "tls", "true", set_eval_tls, acc);
97	s->flags \|= ACC_SET_OFFLINE_ONLY;
98
99	s = set_add(&acc->set, "tls_verify", "true", set_eval_bool, acc);
100	s->flags \|= ACC_SET_OFFLINE_ONLY;
101
102	s = set_add(&acc->set, "user_agent", "BitlBee", NULL, acc);
103
104	s = set_add(&acc->set, "xmlconsole", "false", set_eval_bool, acc);
105
106	s = set_add(&acc->set, "mail_notifications", "false", set_eval_bool, acc);
107	s->flags \|= ACC_SET_OFFLINE_ONLY;
108
109	/* changing this is rarely needed so keeping it secret */
110	s = set_add(&acc->set, "mail_notifications_limit", "5", set_eval_int, acc);
111	s->flags \|= SET_HIDDEN_DEFAULT;
112
113	s = set_add(&acc->set, "mail_notifications_handle", NULL, NULL, acc);
114	s->flags \|= ACC_SET_OFFLINE_ONLY \| SET_NULL_OK;
115
116	s = set_add(&acc->set, "carbons", "true", set_eval_bool, acc);
117	s->flags \|= ACC_SET_OFFLINE_ONLY;
118
119	acc->flags \|= ACC_FLAG_AWAY_MESSAGE \| ACC_FLAG_STATUS_MESSAGE \|
120	ACC_FLAG_HANDLE_DOMAINS;
121	}
122
123	static void jabber_generate_id_hash(struct jabber_data *jd);
124
125	static void jabber_login(account_t *acc)
126	{
127	struct im_connection *ic = imcb_new(acc);
128	struct jabber_data *jd = g_new0(struct jabber_data, 1);
129	char *s;
130
131	/* For now this is needed in the _connected() handlers if using
132	GLib event handling, to make sure we're not handling events
133	on dead connections. */
134	jabber_connections = g_slist_prepend(jabber_connections, ic);
135
136	jd->ic = ic;
137	ic->proto_data = jd;
138
139	jabber_set_me(ic, acc->user);
140
141	jd->fd = jd->r_inpa = jd->w_inpa = -1;
142
143	if (strcmp(acc->prpl->name, "hipchat") == 0) {
144	jd->flags \|= JFLAG_HIPCHAT;
145	}
146
147	if (jd->server == NULL) {
148	imcb_error(ic, "Incomplete account name (format it like <username@jabberserver.name>)");
149	imc_logout(ic, FALSE);
150	return;
151	}
152
153	if (strstr(jd->server, ".facebook.com")) {
154	imcb_error(ic, "Facebook's XMPP service is gone. Try this instead: https://wiki.bitlbee.org/HowtoFacebookMQTT");
155	imc_logout(ic, FALSE);
156	return;
157	}
158
159	if ((s = strchr(jd->server, '/'))) {
160	*s = 0;
161	set_setstr(&acc->set, "resource", s + 1);
162
163	/* Also remove the /resource from the original variable so we
164	won't have to do this again every time. */
165	s = strchr(acc->user, '/');
166	*s = 0;
167	}
168
169	jd->node_cache = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, jabber_cache_entry_free);
170	jd->buddies = g_hash_table_new(g_str_hash, g_str_equal);
171
172	if (set_getbool(&acc->set, "oauth")) {
173	GSList *p_in = NULL;
174	const char *tok;
175
176	jd->fd = jd->r_inpa = jd->w_inpa = -1;
177
178	/* There are no other options atm, so assume google for everything
179	Facebook and MSN XMPP used to be here. RIP. */
180	jd->oauth2_service = &oauth2_service_google;
181
182	oauth_params_parse(&p_in, ic->acc->pass);
183
184	/* First see if we have a refresh token, in which case any
185	access token we might have has probably expired already
186	anyway. */
187	if ((tok = oauth_params_get(&p_in, "refresh_token"))) {
188	sasl_oauth2_refresh(ic, tok);
189	}
190	/* If we don't have a refresh token, let's hope the access
191	token is still usable. */
192	else if ((tok = oauth_params_get(&p_in, "access_token"))) {
193	jd->oauth2_access_token = g_strdup(tok);
194	jabber_connect(ic);
195	}
196	/* If we don't have any, start the OAuth process now. Don't
197	even open an XMPP connection yet. */
198	else {
199	sasl_oauth2_init(ic);
200	ic->flags \|= OPT_SLOW_LOGIN;
201	}
202
203	oauth_params_free(&p_in);
204	} else {
205	jabber_connect(ic);
206	}
207	}
208
209	static void jabber_xmlconsole_enable(struct im_connection *ic)
210	{
211	struct jabber_data *jd = ic->proto_data;
212	const char *handle = JABBER_XMLCONSOLE_HANDLE;
213	bee_user_t *bu;
214
215	jd->flags \|= JFLAG_XMLCONSOLE;
216
217	if (!(bu = bee_user_by_handle(ic->bee, ic, handle))) {
218	bu = bee_user_new(ic->bee, ic, handle, 0);
219	bu->flags \|= BEE_USER_NOOTR;
220	}
221	}
222
223	/* Separate this from jabber_login() so we can do OAuth first if necessary.
224	Putting this in io.c would probably be more correct. */
225	void jabber_connect(struct im_connection *ic)
226	{
227	account_t *acc = ic->acc;
228	struct jabber_data *jd = ic->proto_data;
229	int i;
230	char *connect_to;
231	struct ns_srv_reply *srvl = NULL, srv = NULL;
232
233	/* Figure out the hostname to connect to. */
234	if (acc->server && *acc->server) {
235	connect_to = acc->server;
236	} else if ((srvl = srv_lookup("xmpp-client", "tcp", jd->server)) \|\|
237	(srvl = srv_lookup("jabber-client", "tcp", jd->server))) {
238	/* Find the lowest-priority one. These usually come
239	back in random/shuffled order. Not looking at
240	weights etc for now. */
241	srv = *srvl;
242	for (i = 1; srvl[i]; i++) {
243	if (srvl[i]->prio < srv->prio) {
244	srv = srvl[i];
245	}
246	}
247
248	connect_to = srv->name;
249	} else {
250	connect_to = jd->server;
251	}
252
253	imcb_log(ic, "Connecting");
254
255	for (i = 0; jabber_port_list[i] > 0; i++) {
256	if (set_getint(&acc->set, "port") == jabber_port_list[i]) {
257	break;
258	}
259	}
260
261	if (jabber_port_list[i] == 0) {
262	imcb_log(ic, "Illegal port number");
263	imc_logout(ic, FALSE);
264	return;
265	}
266
267	/* For non-SSL connections we can try to use the port # from the SRV
268	reply, but let's not do that when using SSL, SSL usually runs on
269	non-standard ports... */
270	if (set_getbool(&acc->set, "ssl")) {
271	jd->ssl = ssl_connect(connect_to, set_getint(&acc->set, "port"), set_getbool(&acc->set,
272	"tls_verify"), jabber_connected_ssl,
273	ic);
274	jd->fd = jd->ssl ? ssl_getfd(jd->ssl) : -1;
275	} else {
276	jd->fd = proxy_connect(connect_to, srv ? srv->port : set_getint(&acc->set,
277	"port"), jabber_connected_plain, ic);
278	}
279	srv_free(srvl);
280
281	if (jd->fd == -1) {
282	imcb_error(ic, "Could not connect to server");
283	imc_logout(ic, TRUE);
284
285	return;
286	}
287
288	if (set_getbool(&acc->set, "xmlconsole")) {
289	jabber_xmlconsole_enable(ic);
290	}
291
292	if (set_getbool(&acc->set, "mail_notifications")) {
293	/* It's gmail specific, but it checks for server support before enabling it */
294	jd->flags \|= JFLAG_GMAILNOTIFY;
295	if (set_getstr(&acc->set, "mail_notifications_handle")) {
296	imcb_add_buddy(ic, set_getstr(&acc->set, "mail_notifications_handle"), NULL);
297	}
298	}
299
300	jabber_generate_id_hash(jd);
301	}
302
303	/* This generates an unfinished md5_state_t variable. Every time we generate
304	an ID, we finish the state by adding a sequence number and take the hash. */
305	static void jabber_generate_id_hash(struct jabber_data *jd)
306	{
307	md5_byte_t binbuf[4];
308	char *s;
309
310	md5_init(&jd->cached_id_prefix);
311	md5_append(&jd->cached_id_prefix, (unsigned char *) jd->username, strlen(jd->username));
312	md5_append(&jd->cached_id_prefix, (unsigned char *) jd->server, strlen(jd->server));
313	s = set_getstr(&jd->ic->acc->set, "resource");
314	md5_append(&jd->cached_id_prefix, (unsigned char *) s, strlen(s));
315	random_bytes(binbuf, 4);
316	md5_append(&jd->cached_id_prefix, binbuf, 4);
317	}
318
319	static void jabber_logout(struct im_connection *ic)
320	{
321	struct jabber_data *jd = ic->proto_data;
322
323	imcb_chat_list_free(ic);
324
325	while (jd->filetransfers) {
326	imcb_file_canceled(ic, (( struct jabber_transfer *) jd->filetransfers->data)->ft, "Logging out");
327	}
328
329	while (jd->streamhosts) {
330	jabber_streamhost_t *sh = jd->streamhosts->data;
331	jd->streamhosts = g_slist_remove(jd->streamhosts, sh);
332	g_free(sh->jid);
333	g_free(sh->host);
334	g_free(sh);
335	}
336
337	if (jd->fd >= 0) {
338	jabber_end_stream(ic);
339	}
340
341	while (ic->groupchats) {
342	jabber_chat_free(ic->groupchats->data);
343	}
344
345	if (jd->r_inpa >= 0) {
346	b_event_remove(jd->r_inpa);
347	}
348	if (jd->w_inpa >= 0) {
349	b_event_remove(jd->w_inpa);
350	}
351
352	if (jd->ssl) {
353	ssl_disconnect(jd->ssl);
354	}
355	if (jd->fd >= 0) {
356	proxy_disconnect(jd->fd);
357	}
358
359	if (jd->tx_len) {
360	g_free(jd->txq);
361	}
362
363	if (jd->node_cache) {
364	g_hash_table_destroy(jd->node_cache);
365	}
366
367	if (jd->buddies) {
368	jabber_buddy_remove_all(ic);
369	}
370
371	xt_free(jd->xt);
372
373	md5_free(&jd->cached_id_prefix);
374
375	g_free(jd->oauth2_access_token);
376	g_free(jd->away_message);
377	g_free(jd->internal_jid);
378	g_free(jd->gmail_tid);
379	g_free(jd->muc_host);
380	g_free(jd->username);
381	g_free(jd->me);
382	g_free(jd);
383
384	jabber_connections = g_slist_remove(jabber_connections, ic);
385	}
386
387	static int jabber_buddy_msg(struct im_connection ic, char who, char *message, int flags)
388	{
389	struct jabber_data *jd = ic->proto_data;
390	struct jabber_buddy *bud;
391	struct xt_node *node;
392	char *s;
393	int st;
394
395	if (g_strcasecmp(who, JABBER_XMLCONSOLE_HANDLE) == 0) {
396	return jabber_write(ic, message, strlen(message));
397	}
398
399	if (g_strcasecmp(who, JABBER_OAUTH_HANDLE) == 0 &&
400	!(jd->flags & OPT_LOGGED_IN) && jd->fd == -1) {
401
402	if (jd->flags & JFLAG_HIPCHAT) {
403	sasl_oauth2_got_token(ic, message, NULL, NULL);
404	return 1;
405	} else if (sasl_oauth2_get_refresh_token(ic, message)) {
406	return 1;
407	} else {
408	imcb_error(ic, "OAuth failure");
409	imc_logout(ic, TRUE);
410	return 0;
411	}
412	}
413
414	if ((s = strchr(who, '=')) && jabber_chat_by_jid(ic, s + 1)) {
415	bud = jabber_buddy_by_ext_jid(ic, who, 0);
416	} else {
417	bud = jabber_buddy_by_jid(ic, who, GET_BUDDY_BARE_OK);
418	}
419
420	node = xt_new_node("body", message, NULL);
421	node = jabber_make_packet("message", "chat", bud ? bud->full_jid : who, node);
422
423	if (bud && (jd->flags & JFLAG_WANT_TYPING) &&
424	((bud->flags & JBFLAG_DOES_XEP85) \|\|
425	!(bud->flags & JBFLAG_PROBED_XEP85))) {
426	struct xt_node *act;
427
428	/* If the user likes typing notification and if we don't know
429	(and didn't probe before) if this resource supports XEP85,
430	include a probe in this packet now. Also, if we know this
431	buddy does support XEP85, we have to send this <active/>
432	tag to tell that the user stopped typing (well, that's what
433	we guess when s/he pressed Enter...). */
434	act = xt_new_node("active", NULL, NULL);
435	xt_add_attr(act, "xmlns", XMLNS_CHATSTATES);
436	xt_add_child(node, act);
437
438	/* Just make sure we do this only once. */
439	bud->flags \|= JBFLAG_PROBED_XEP85;
440	}
441
442	/* XEP-0364 suggests we add message processing hints (XEP-0334) to OTR messages,
443	mostly to avoid carbons (XEP-0280) and server-side message archiving.
444	OTR messages are roughly like this: /^\?OTR(.*\?\| Error:\|:)/
445	But I'm going to simplify it to messages starting with "?OTR". */
446	if (g_str_has_prefix(message, "?OTR")) {
447	int i;
448	char *hints[] = {
449	"no-copy", XMLNS_HINTS,
450	"no-permanent-store", XMLNS_HINTS,
451	"private", XMLNS_CARBONS,
452	NULL
453	};
454
455	for (i = 0; hints[i]; i += 2) {
456	struct xt_node *hint;
457	hint = xt_new_node(hints[i], NULL, NULL);
458	xt_add_attr(hint, "xmlns", hints[i + 1]);
459	xt_add_child(node, hint);
460	}
461	}
462
463	st = jabber_write_packet(ic, node);
464	xt_free_node(node);
465
466	return st;
467	}
468
469	static GList jabber_away_states(struct im_connection ic)
470	{
471	static GList *l = NULL;
472	int i;
473
474	if (l == NULL) {
475	for (i = 0; jabber_away_state_list[i].full_name; i++) {
476	l = g_list_append(l, (void *) jabber_away_state_list[i].full_name);
477	}
478	}
479
480	return l;
481	}
482
483	static void jabber_get_info(struct im_connection ic, char who)
484	{
485	struct jabber_buddy *bud;
486
487	bud = jabber_buddy_by_jid(ic, who, GET_BUDDY_FIRST);
488
489	while (bud) {
490	imcb_log(ic, "Buddy %s (%d) information:", bud->full_jid, bud->priority);
491	if (bud->away_state) {
492	imcb_log(ic, "Away state: %s", bud->away_state->full_name);
493	}
494	imcb_log(ic, "Status message: %s", bud->away_message ? bud->away_message : "(none)");
495
496	bud = bud->next;
497	}
498
499	jabber_get_vcard(ic, who);
500	}
501
502	static void jabber_set_away(struct im_connection ic, char state_txt, char *message)
503	{
504	struct jabber_data *jd = ic->proto_data;
505
506	/* state_txt == NULL -> Not away.
507	Unknown state -> fall back to the first defined away state. */
508	if (state_txt == NULL) {
509	jd->away_state = NULL;
510	} else if ((jd->away_state = jabber_away_state_by_name(state_txt)) == NULL) {
511	jd->away_state = jabber_away_state_list;
512	}
513
514	g_free(jd->away_message);
515	jd->away_message = (message && *message) ? g_strdup(message) : NULL;
516
517	presence_send_update(ic);
518	}
519
520	static void jabber_add_buddy(struct im_connection ic, char who, char *group)
521	{
522	if (g_strcasecmp(who, JABBER_XMLCONSOLE_HANDLE) == 0) {
523	jabber_xmlconsole_enable(ic);
524	return;
525	}
526
527	if (jabber_add_to_roster(ic, who, NULL, group)) {
528	presence_send_request(ic, who, "subscribe");
529	}
530	}
531
532	static void jabber_remove_buddy(struct im_connection ic, char who, char *group)
533	{
534	struct jabber_data *jd = ic->proto_data;
535
536	if (g_strcasecmp(who, JABBER_XMLCONSOLE_HANDLE) == 0) {
537	jd->flags &= ~JFLAG_XMLCONSOLE;
538	/* Not necessary for now. And for now the code isn't too
539	happy if the buddy is completely gone right after calling
540	this function already.
541	imcb_remove_buddy( ic, JABBER_XMLCONSOLE_HANDLE, NULL );
542	*/
543	return;
544	}
545
546	/* We should always do this part. Clean up our administration a little bit. */
547	jabber_buddy_remove_bare(ic, who);
548
549	if (jabber_remove_from_roster(ic, who)) {
550	presence_send_request(ic, who, "unsubscribe");
551	}
552	}
553
554	static struct groupchat jabber_chat_join_(struct im_connection ic, const char room, const char nick,
555	const char password, set_t *sets)
556	{
557	struct jabber_data *jd = ic->proto_data;
558	char *final_nick;
559
560	/* Ignore the passed nick parameter if we have our own default */
561	if (!(final_nick = set_getstr(sets, "nick")) &&
562	!(final_nick = set_getstr(&ic->acc->set, "display_name"))) {
563	/* Well, whatever, actually use the provided default, then */
564	final_nick = (char *) nick;
565	}
566
567	if (jd->flags & JFLAG_HIPCHAT && jd->muc_host && !g_str_has_suffix(room, jd->muc_host)) {
568	char *guessed_name = hipchat_guess_channel_name(ic, room);
569	if (guessed_name) {
570	set_setstr(sets, "room", guessed_name);
571	g_free(guessed_name);
572
573	/* call this same function again with the fixed name */
574	return jabber_chat_join_(ic, set_getstr(sets, "room"), nick, password, sets);
575	}
576	}
577
578	if (strchr(room, '@') == NULL) {
579	imcb_error(ic, "%s is not a valid Jabber room name. Maybe you mean %s@conference.%s?",
580	room, room, jd->server);
581	} else {
582	struct groupchat *old;
583
584	if ((old = jabber_chat_by_jid(ic, room))) {
585	imcb_log(ic, "Warning: Already present in chat `%s' - trying to join anyway", room);
586	jabber_chat_free(old);
587	}
588
589	/* jabber_chat_join without the underscore is the conference.c one */
590	return jabber_chat_join(ic, room, final_nick, set_getstr(sets, "password"),
591	set_getbool(sets, "always_use_nicks"));
592	}
593
594	return NULL;
595	}
596
597	static struct groupchat jabber_chat_with_(struct im_connection ic, char *who)
598	{
599	return jabber_chat_with(ic, who);
600	}
601
602	static void jabber_chat_list_(struct im_connection ic, const char server)
603	{
604	struct jabber_data *jd = ic->proto_data;
605
606	if (server && *server) {
607	jabber_iq_disco_muc(ic, server);
608	} else if (jd->muc_host && *jd->muc_host) {
609	jabber_iq_disco_muc(ic, jd->muc_host);
610	} else {
611	/* throw an error here, don't query conference.[server] directly.
612	* for things like jabber.org it gets you 18000 results of garbage */
613	imcb_error(ic, "Please specify a server name such as `conference.%s'", jd->server);
614	}
615	}
616
617	static void jabber_chat_msg_(struct groupchat c, char message, int flags)
618	{
619	if (c && message) {
620	jabber_chat_msg(c, message, flags);
621	}
622	}
623
624	static void jabber_chat_topic_(struct groupchat c, char topic)
625	{
626	if (c && topic) {
627	jabber_chat_topic(c, topic);
628	}
629	}
630
631	static void jabber_chat_leave_(struct groupchat *c)
632	{
633	if (c) {
634	jabber_chat_leave(c, NULL);
635	}
636	}
637
638	static void jabber_chat_invite_(struct groupchat c, char who, char *msg)
639	{
640	struct jabber_data *jd = c->ic->proto_data;
641	struct jabber_chat *jc = c->data;
642	gchar *msg_alt = NULL;
643
644	if (msg == NULL) {
645	msg_alt = g_strdup_printf("%s invited you to %s", jd->me, jc->name);
646	}
647
648	if (c && who) {
649	jabber_chat_invite(c, who, msg ? msg : msg_alt);
650	}
651
652	g_free(msg_alt);
653	}
654
655	static void jabber_keepalive(struct im_connection *ic)
656	{
657	/* Just any whitespace character is enough as a keepalive for XMPP sessions. */
658	if (!jabber_write(ic, "\n", 1)) {
659	return;
660	}
661
662	/* This runs the garbage collection every minute, which means every packet
663	is in the cache for about a minute (which should be enough AFAIK). */
664	jabber_cache_clean(ic);
665	}
666
667	static int jabber_send_typing(struct im_connection ic, char who, int typing)
668	{
669	struct jabber_data *jd = ic->proto_data;
670	struct jabber_buddy bud, bare;
671
672	/* Enable typing notification related code from now. */
673	jd->flags \|= JFLAG_WANT_TYPING;
674
675	if ((bud = jabber_buddy_by_jid(ic, who, 0)) == NULL \|\|
676	(bare = jabber_buddy_by_jid(ic, who, GET_BUDDY_BARE)) == NULL) {
677	/* Sending typing notifications to unknown buddies is
678	unsupported for now. Shouldn't be a problem, I think. */
679	return 0;
680	}
681
682
683	if (bud->flags & JBFLAG_DOES_XEP85 \|\| bare->flags & JBFLAG_DOES_XEP85) {
684	/* We're only allowed to send this stuff if we know the other
685	side supports it. If the bare JID has the flag, all other
686	resources get it, too (That is the case in gtalk) */
687
688	struct xt_node *node;
689	char *type;
690	int st;
691
692	if (typing & OPT_TYPING) {
693	type = "composing";
694	} else if (typing & OPT_THINKING) {
695	type = "paused";
696	} else {
697	type = "active";
698	}
699
700	node = xt_new_node(type, NULL, NULL);
701	xt_add_attr(node, "xmlns", XMLNS_CHATSTATES);
702	node = jabber_make_packet("message", "chat", bud->full_jid, node);
703
704	st = jabber_write_packet(ic, node);
705	xt_free_node(node);
706
707	return st;
708	}
709
710	return 1;
711	}
712
713	void jabber_chat_add_settings(account_t acc, set_t *head)
714	{
715	set_add(head, "always_use_nicks", "false", set_eval_bool, NULL);
716
717	/* Meh. Stupid room passwords. Not trying to obfuscate/hide
718	them from the user for now. */
719	set_add(head, "password", NULL, NULL, NULL);
720	}
721
722	void jabber_chat_free_settings(account_t acc, set_t *head)
723	{
724	set_del(head, "always_use_nicks");
725
726	set_del(head, "password");
727	}
728
729	GList jabber_buddy_action_list(bee_user_t bu)
730	{
731	static GList *ret = NULL;
732
733	if (ret == NULL) {
734	static const struct buddy_action ba[2] = {
735	{ "VERSION", "Get client (version) information" },
736	};
737
738	ret = g_list_prepend(ret, (void *) ba + 0);
739	}
740
741	return ret;
742	}
743
744	void jabber_buddy_action(struct bee_user bu, const char action, char const args[], void *data)
745	{
746	if (g_strcasecmp(action, "VERSION") == 0) {
747	struct jabber_buddy *bud;
748
749	if ((bud = jabber_buddy_by_ext_jid(bu->ic, bu->handle, 0)) == NULL) {
750	bud = jabber_buddy_by_jid(bu->ic, bu->handle, GET_BUDDY_FIRST);
751	}
752	for (; bud; bud = bud->next) {
753	jabber_iq_version_send(bu->ic, bud, data);
754	}
755	}
756
757	return NULL;
758	}
759
760	gboolean jabber_handle_is_self(struct im_connection ic, const char who)
761	{
762	struct jabber_data *jd = ic->proto_data;
763
764	return ((g_strcasecmp(who, ic->acc->user) == 0) \|\|
765	(jd->internal_jid &&
766	g_strcasecmp(who, jd->internal_jid) == 0));
767	}
768
769	void jabber_initmodule()
770	{
771	struct prpl *ret = g_new0(struct prpl, 1);
772	struct prpl *hipchat = NULL;
773
774	ret->name = "jabber";
775	ret->mms = 0; /* no limit */
776	ret->login = jabber_login;
777	ret->init = jabber_init;
778	ret->logout = jabber_logout;
779	ret->buddy_msg = jabber_buddy_msg;
780	ret->away_states = jabber_away_states;
781	ret->set_away = jabber_set_away;
782	// ret->set_info = jabber_set_info;
783	ret->get_info = jabber_get_info;
784	ret->add_buddy = jabber_add_buddy;
785	ret->remove_buddy = jabber_remove_buddy;
786	ret->chat_msg = jabber_chat_msg_;
787	ret->chat_topic = jabber_chat_topic_;
788	ret->chat_invite = jabber_chat_invite_;
789	ret->chat_leave = jabber_chat_leave_;
790	ret->chat_join = jabber_chat_join_;
791	ret->chat_with = jabber_chat_with_;
792	ret->chat_list = jabber_chat_list_;
793	ret->chat_add_settings = jabber_chat_add_settings;
794	ret->chat_free_settings = jabber_chat_free_settings;
795	ret->keepalive = jabber_keepalive;
796	ret->send_typing = jabber_send_typing;
797	ret->handle_cmp = g_strcasecmp;
798	ret->handle_is_self = jabber_handle_is_self;
799	ret->transfer_request = jabber_si_transfer_request;
800	ret->buddy_action_list = jabber_buddy_action_list;
801	ret->buddy_action = jabber_buddy_action;
802
803	register_protocol(ret);
804
805	/* Another one for hipchat, which has completely different logins */
806	hipchat = g_memdup(ret, sizeof(struct prpl));
807	hipchat->name = "hipchat";
808	register_protocol(hipchat);
809	}

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