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source: protocols/jabber/jabber.c @ 601e813

Last change on this file since 601e813 was 75cde5d, checked in by Wilmer van der Gaast <wilmer@…>, at 2006-05-16T21:27:59Z
Fixed possible double free() in Jabber module.
Property mode set to `100644`
File size: 59.0 KB

Line
1	/* -- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -- */
2	/*
3	* gaim
4	*
5	* Some code copyright (C) 1998-1999, Mark Spencer <markster@marko.net>
6	* libfaim code copyright 1998, 1999 Adam Fritzler <afritz@auk.cx>
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
19	* along with this program; if not, write to the Free Software
20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21	*
22	*/
23
24	#ifndef _WIN32
25	#include <sys/utsname.h>
26	#endif
27	#include <errno.h>
28	#include <string.h>
29	#include <stdlib.h>
30	#include <stdio.h>
31	#include <time.h>
32	#include <sys/stat.h>
33	#include "jabber.h"
34	#include "nogaim.h"
35	#include "bitlbee.h"
36	#include "proxy.h"
37	#include "ssl_client.h"
38
39	/* The priv member of gjconn's is a gaim_connection for now. */
40	#define GJ_GC(x) ((struct gaim_connection *)(x)->priv)
41
42	#define IQID_AUTH "__AUTH__"
43
44	#define IQ_NONE -1
45	#define IQ_AUTH 0
46	#define IQ_ROSTER 1
47
48	#define UC_AWAY (0x02 \| UC_UNAVAILABLE)
49	#define UC_CHAT 0x04
50	#define UC_XA (0x08 \| UC_UNAVAILABLE)
51	#define UC_DND (0x10 \| UC_UNAVAILABLE)
52
53	#define DEFAULT_SERVER "jabber.org"
54	#define DEFAULT_GROUPCHAT "conference.jabber.org"
55	#define DEFAULT_PORT 5222
56	#define DEFAULT_PORT_SSL 5223
57	#define JABBER_PORT_MIN 5220
58	#define JABBER_PORT_MAX 5229
59
60	#define JABBER_GROUP "Friends"
61
62	/* i18n disabled - Bitlbee */
63	#define N_(String) String
64
65	/*
66	* Note: "was_connected" may seem redundant, but it was needed and I
67	* didn't want to touch the Jabber state stuff not specific to Gaim.
68	*/
69	typedef struct gjconn_struct {
70	/* Core structure */
71	pool p; /* Memory allocation pool */
72	int state; /* Connection state flag */
73	int was_connected; /* We were once connected */
74	int fd; /* Connection file descriptor */
75	void ssl; / SSL connection */
76	jid user; /* User info */
77	char pass; / User passwd */
78
79	/* Stream stuff */
80	int id; /* id counter for jab_getid() function */
81	char idbuf[9]; /* temporary storage for jab_getid() */
82	char sid; / stream id from server, for digest auth */
83	XML_Parser parser; /* Parser instance */
84	xmlnode current; /* Current node in parsing instance.. */
85
86	/* Event callback ptrs */
87	void (on_state)(struct gjconn_struct gjc, int state);
88	void (on_packet)(struct gjconn_struct gjc, jpacket p);
89
90	GHashTable queries; / query tracker */
91
92	void *priv;
93	} *gjconn, gjconn_struct;
94
95	typedef void (*gjconn_state_h)(gjconn gjc, int state);
96	typedef void (*gjconn_packet_h)(gjconn gjc, jpacket p);
97
98	static gjconn gjab_new(char user, char pass, void *priv);
99	static void gjab_delete(gjconn gjc);
100	static void gjab_state_handler(gjconn gjc, gjconn_state_h h);
101	static void gjab_packet_handler(gjconn gjc, gjconn_packet_h h);
102	static void gjab_start(gjconn gjc);
103	static void gjab_stop(gjconn gjc);
104	/*
105	static int gjab_getfd(gjconn gjc);
106	static jid gjab_getjid(gjconn gjc);
107	static char *gjab_getsid(gjconn gjc);
108	*/
109	static char *gjab_getid(gjconn gjc);
110	static void gjab_send(gjconn gjc, xmlnode x);
111	static void gjab_send_raw(gjconn gjc, const char *str);
112	static void gjab_recv(gjconn gjc);
113	static void gjab_auth(gjconn gjc);
114
115	/*
116	* It is this to which we point the gaim_connection proto_data
117	*/
118	struct jabber_data {
119	gjconn gjc;
120	gboolean did_import;
121	GSList *chats;
122	GHashTable *hash;
123	time_t idle;
124	gboolean die;
125	};
126
127	/*
128	* Jabber "chat group" info. Pointers to these go in jabber_data
129	* pending and existing chats lists.
130	*/
131	struct jabber_chat {
132	jid Jid;
133	struct gaim_connection *gc;
134	struct conversation *b;
135	int id;
136	int state;
137	};
138
139	/*
140	* Jabber chat states...
141	*
142	* Note: due to a bug in one version of the Jabber server, subscriptions
143	* to chat groups aren't (always?) properly removed at the server. The
144	* result is clients receive Jabber "presence" notifications for JIDs
145	* they no longer care about. The problem with such vestigial notifies is
146	* that we really have no way of telling if it's vestigial or if it's a
147	* valid "buddy" presence notification. So we keep jabber_chat structs
148	* around after leaving a chat group and simply mark them "closed." That
149	* way we can test for such errant presence notifications. I.e.: if we
150	* get a presence notfication from a JID that matches a chat group JID,
151	* we disregard it.
152	*/
153	#define JCS_PENDING 1 /* pending */
154	#define JCS_ACTIVE 2 /* active */
155	#define JCS_CLOSED 3 /* closed */
156
157
158	#define STATE_EVT(arg) if(gjc->on_state) { (gjc->on_state)(gjc, (arg) ); }
159
160	static void jabber_remove_buddy(struct gaim_connection gc, char name, char *group);
161	static void jabber_handlevcard(gjconn gjc, xmlnode querynode, char *from);
162
163	static char create_valid_jid(const char given, char server, char resource)
164	{
165	char *valid;
166
167	if (!strchr(given, '@'))
168	valid = g_strdup_printf("%s@%s/%s", given, server, resource);
169	else if (!strchr(strchr(given, '@'), '/'))
170	valid = g_strdup_printf("%s/%s", given, resource);
171	else
172	valid = g_strdup(given);
173
174	return valid;
175	}
176
177	static gjconn gjab_new(char user, char pass, void *priv)
178	{
179	pool p;
180	gjconn gjc;
181
182	if (!user)
183	return (NULL);
184
185	p = pool_new();
186	if (!p)
187	return (NULL);
188	gjc = pmalloc_x(p, sizeof(gjconn_struct), 0);
189	if (!gjc) {
190	pool_free(p); /* no need for this anymore! */
191	return (NULL);
192	}
193	gjc->p = p;
194
195	if((gjc->user = jid_new(p, user)) == NULL) {
196	pool_free(p); /* no need for this anymore! */
197	return (NULL);
198	}
199	gjc->pass = pstrdup(p, pass);
200
201	gjc->state = JCONN_STATE_OFF;
202	gjc->was_connected = 0;
203	gjc->id = 1;
204	gjc->fd = -1;
205
206	gjc->priv = priv;
207
208	return gjc;
209	}
210
211	static void gjab_delete(gjconn gjc)
212	{
213	if (!gjc)
214	return;
215
216	gjab_stop(gjc);
217	pool_free(gjc->p);
218	}
219
220	static void gjab_state_handler(gjconn gjc, gjconn_state_h h)
221	{
222	if (!gjc)
223	return;
224
225	gjc->on_state = h;
226	}
227
228	static void gjab_packet_handler(gjconn gjc, gjconn_packet_h h)
229	{
230	if (!gjc)
231	return;
232
233	gjc->on_packet = h;
234	}
235
236	static void gjab_stop(gjconn gjc)
237	{
238	if (!gjc \|\| gjc->state == JCONN_STATE_OFF)
239	return;
240
241	gjab_send_raw(gjc, "</stream:stream>");
242	gjc->state = JCONN_STATE_OFF;
243	gjc->was_connected = 0;
244	if (gjc->ssl) {
245	ssl_disconnect(gjc->ssl);
246	gjc->ssl = NULL;
247	} else {
248	closesocket(gjc->fd);
249	}
250	gjc->fd = -1;
251	XML_ParserFree(gjc->parser);
252	gjc->parser = NULL;
253	}
254
255	/*
256	static int gjab_getfd(gjconn gjc)
257	{
258	if (gjc)
259	return gjc->fd;
260	else
261	return -1;
262	}
263
264	static jid gjab_getjid(gjconn gjc)
265	{
266	if (gjc)
267	return (gjc->user);
268	else
269	return NULL;
270	}
271
272	static char *gjab_getsid(gjconn gjc)
273	{
274	if (gjc)
275	return (gjc->sid);
276	else
277	return NULL;
278	}
279	*/
280
281	static char *gjab_getid(gjconn gjc)
282	{
283	g_snprintf(gjc->idbuf, 8, "%d", gjc->id++);
284	return &gjc->idbuf[0];
285	}
286
287	static void gjab_send(gjconn gjc, xmlnode x)
288	{
289	if (gjc && gjc->state != JCONN_STATE_OFF) {
290	char *buf = xmlnode2str(x);
291	if (!buf)
292	return;
293	else if (gjc->ssl)
294	ssl_write(gjc->ssl, buf, strlen(buf));
295	else
296	write(gjc->fd, buf, strlen(buf));
297	}
298	}
299
300	static void gjab_send_raw(gjconn gjc, const char *str)
301	{
302	if (gjc && gjc->state != JCONN_STATE_OFF) {
303	int len;
304
305	/*
306	* JFIXME: No error detection?!?!
307	*/
308	if (gjc->ssl)
309	len = ssl_write(gjc->ssl, str, strlen(str));
310	else
311	len = write(gjc->fd, str, strlen(str));
312
313	if(len < 0) {
314	/* Do NOT write to stdout/stderr directly, IRC clients
315	might get confused, and we don't want that...
316	fprintf(stderr, "DBG: Problem sending. Error: %d\n", errno);
317	fflush(stderr); */
318	}
319	}
320	}
321
322	static void gjab_reqroster(gjconn gjc)
323	{
324	xmlnode x;
325
326	x = jutil_iqnew(JPACKET__GET, NS_ROSTER);
327	xmlnode_put_attrib(x, "id", gjab_getid(gjc));
328
329	gjab_send(gjc, x);
330	xmlnode_free(x);
331	}
332
333	static void gjab_reqauth(gjconn gjc)
334	{
335	xmlnode x, y, z;
336	char *user;
337
338	if (!gjc)
339	return;
340
341	x = jutil_iqnew(JPACKET__GET, NS_AUTH);
342	xmlnode_put_attrib(x, "id", IQID_AUTH);
343	y = xmlnode_get_tag(x, "query");
344
345	user = gjc->user->user;
346
347	if (user) {
348	z = xmlnode_insert_tag(y, "username");
349	xmlnode_insert_cdata(z, user, -1);
350	}
351
352	gjab_send(gjc, x);
353	xmlnode_free(x);
354	}
355
356	static void gjab_auth(gjconn gjc)
357	{
358	xmlnode x, y, z;
359	char hash, user;
360
361	if (!gjc)
362	return;
363
364	x = jutil_iqnew(JPACKET__SET, NS_AUTH);
365	xmlnode_put_attrib(x, "id", IQID_AUTH);
366	y = xmlnode_get_tag(x, "query");
367
368	user = gjc->user->user;
369
370	if (user) {
371	z = xmlnode_insert_tag(y, "username");
372	xmlnode_insert_cdata(z, user, -1);
373	}
374
375	z = xmlnode_insert_tag(y, "resource");
376	xmlnode_insert_cdata(z, gjc->user->resource, -1);
377
378	if (gjc->sid) {
379	z = xmlnode_insert_tag(y, "digest");
380	hash = pmalloc(x->p, strlen(gjc->sid) + strlen(gjc->pass) + 1);
381	strcpy(hash, gjc->sid);
382	strcat(hash, gjc->pass);
383	hash = shahash(hash);
384	xmlnode_insert_cdata(z, hash, 40);
385	} else {
386	z = xmlnode_insert_tag(y, "password");
387	xmlnode_insert_cdata(z, gjc->pass, -1);
388	}
389
390	gjab_send(gjc, x);
391	xmlnode_free(x);
392
393	return;
394	}
395
396	static void gjab_recv(gjconn gjc)
397	{
398	static char buf[4096];
399	int len;
400
401	if (!gjc \|\| gjc->state == JCONN_STATE_OFF)
402	return;
403
404	if (gjc->ssl)
405	len = ssl_read(gjc->ssl, buf, sizeof(buf) - 1);
406	else
407	len = read(gjc->fd, buf, sizeof(buf) - 1);
408
409	if (len > 0) {
410	struct jabber_data *jd = GJ_GC(gjc)->proto_data;
411	buf[len] = '\0';
412	XML_Parse(gjc->parser, buf, len, 0);
413	if (jd->die)
414	signoff(GJ_GC(gjc));
415	} else if (len == 0 \|\| (len < 0 && (!sockerr_again() \|\| gjc->ssl))) {
416	STATE_EVT(JCONN_STATE_OFF)
417	}
418	}
419
420	static void startElement(void userdata, const char name, const char **attribs)
421	{
422	xmlnode x;
423	gjconn gjc = (gjconn) userdata;
424
425	if (gjc->current) {
426	/* Append the node to the current one */
427	x = xmlnode_insert_tag(gjc->current, name);
428	xmlnode_put_expat_attribs(x, attribs);
429
430	gjc->current = x;
431	} else {
432	x = xmlnode_new_tag(name);
433	xmlnode_put_expat_attribs(x, attribs);
434	if (strcmp(name, "stream:stream") == 0) {
435	/* special case: name == stream:stream */
436	/* id attrib of stream is stored for digest auth */
437	gjc->sid = g_strdup(xmlnode_get_attrib(x, "id"));
438	/* STATE_EVT(JCONN_STATE_AUTH) */
439	xmlnode_free(x);
440	} else {
441	gjc->current = x;
442	}
443	}
444	}
445
446	static void endElement(void userdata, const char name)
447	{
448	gjconn gjc = (gjconn) userdata;
449	xmlnode x;
450	jpacket p;
451
452	if (gjc->current == NULL) {
453	/* we got </stream:stream> */
454	STATE_EVT(JCONN_STATE_OFF)
455	return;
456	}
457
458	x = xmlnode_get_parent(gjc->current);
459
460	if (!x) {
461	/* it is time to fire the event */
462	p = jpacket_new(gjc->current);
463
464	if (gjc->on_packet)
465	(gjc->on_packet) (gjc, p);
466	else
467	xmlnode_free(gjc->current);
468	}
469
470	gjc->current = x;
471	}
472
473	static void jabber_callback(gpointer data, gint source, GaimInputCondition condition)
474	{
475	struct gaim_connection gc = (struct gaim_connection )data;
476	struct jabber_data jd = (struct jabber_data )gc->proto_data;
477
478	gjab_recv(jd->gjc);
479	}
480
481	static void charData(void userdata, const char s, int slen)
482	{
483	gjconn gjc = (gjconn) userdata;
484
485	if (gjc->current)
486	xmlnode_insert_cdata(gjc->current, s, slen);
487	}
488
489	static void gjab_connected(gpointer data, gint source, GaimInputCondition cond)
490	{
491	xmlnode x;
492	char t, t2;
493	struct gaim_connection *gc = data;
494	struct jabber_data *jd;
495	gjconn gjc;
496
497	if (!g_slist_find(get_connections(), gc)) {
498	closesocket(source);
499	return;
500	}
501
502	jd = gc->proto_data;
503	gjc = jd->gjc;
504
505	if (gjc->fd != source)
506	gjc->fd = source;
507
508	if (source == -1) {
509	STATE_EVT(JCONN_STATE_OFF)
510	return;
511	}
512
513	gjc->state = JCONN_STATE_CONNECTED;
514	STATE_EVT(JCONN_STATE_CONNECTED)
515
516	/* start stream */
517	x = jutil_header(NS_CLIENT, gjc->user->server);
518	t = xmlnode2str(x);
519	/* this is ugly, we can create the string here instead of jutil_header */
520	/* what do you think about it? -madcat */
521	t2 = strstr(t, "/>");
522	*t2++ = '>';
523	*t2 = '\0';
524	gjab_send_raw(gjc, "<?xml version='1.0'?>");
525	gjab_send_raw(gjc, t);
526	xmlnode_free(x);
527
528	gjc->state = JCONN_STATE_ON;
529	STATE_EVT(JCONN_STATE_ON);
530
531	gc = GJ_GC(gjc);
532	gc->inpa = gaim_input_add(gjc->fd, GAIM_INPUT_READ, jabber_callback, gc);
533	}
534
535	static void gjab_connected_ssl(gpointer data, void *source, GaimInputCondition cond)
536	{
537	struct gaim_connection *gc = data;
538	struct jabber_data *jd;
539	gjconn gjc;
540
541	jd = gc->proto_data;
542	gjc = jd->gjc;
543
544	if (source == NULL) {
545	STATE_EVT(JCONN_STATE_OFF)
546	return;
547	}
548
549	if (!g_slist_find(get_connections(), gc)) {
550	ssl_disconnect(source);
551	return;
552	}
553
554	gjab_connected(data, gjc->fd, cond);
555	}
556
557	static void gjab_start(gjconn gjc)
558	{
559	struct aim_user *user;
560	int port = -1, ssl = 0;
561	char server = NULL, s;
562
563	if (!gjc \|\| gjc->state != JCONN_STATE_OFF)
564	return;
565
566	user = GJ_GC(gjc)->user;
567	if (*user->proto_opt[0]) {
568	/* If there's a dot, assume there's a hostname in the beginning */
569	if (strchr(user->proto_opt[0], '.')) {
570	server = g_strdup(user->proto_opt[0]);
571	if ((s = strchr(server, ':')))
572	*s = 0;
573	}
574
575	/* After the hostname, there can be a port number */
576	s = strchr(user->proto_opt[0], ':');
577	if (s && isdigit(s[1]))
578	sscanf(s + 1, "%d", &port);
579
580	/* And if there's the string ssl, the user wants an SSL-connection */
581	if (strstr(user->proto_opt[0], ":ssl") \|\| g_strcasecmp(user->proto_opt[0], "ssl") == 0)
582	ssl = 1;
583	}
584
585	if (port == -1 && !ssl)
586	port = DEFAULT_PORT;
587	else if (port == -1 && ssl)
588	port = DEFAULT_PORT_SSL;
589	else if (port < JABBER_PORT_MIN \|\| port > JABBER_PORT_MAX) {
590	serv_got_crap(GJ_GC(gjc), "For security reasons, the Jabber port number must be in the %d-%d range.", JABBER_PORT_MIN, JABBER_PORT_MAX);
591	STATE_EVT(JCONN_STATE_OFF)
592	return;
593	}
594
595	if (server == NULL)
596	server = g_strdup(gjc->user->server);
597
598	gjc->parser = XML_ParserCreate(NULL);
599	XML_SetUserData(gjc->parser, (void *)gjc);
600	XML_SetElementHandler(gjc->parser, startElement, endElement);
601	XML_SetCharacterDataHandler(gjc->parser, charData);
602
603	if (ssl) {
604	if ((gjc->ssl = ssl_connect(server, port, gjab_connected_ssl, GJ_GC(gjc))))
605	gjc->fd = ssl_getfd(gjc->ssl);
606	else
607	gjc->fd = -1;
608	} else {
609	gjc->fd = proxy_connect(server, port, gjab_connected, GJ_GC(gjc));
610	}
611
612	g_free(server);
613
614	if (!user->gc \|\| (gjc->fd < 0)) {
615	STATE_EVT(JCONN_STATE_OFF)
616	return;
617	}
618	}
619
620	/*
621	* Find existing/active Jabber chat
622	*/
623	static struct jabber_chat find_existing_chat(struct gaim_connection gc, jid chat)
624	{
625	GSList jcs = ((struct jabber_data )gc->proto_data)->chats;
626	struct jabber_chat *jc = NULL;
627
628	while (jcs) {
629	jc = jcs->data;
630	if (jc->state == JCS_ACTIVE && !jid_cmpx(chat, jc->Jid, JID_USER \| JID_SERVER))
631	break;
632	jc = NULL;
633	jcs = jcs->next;
634	}
635
636	return jc;
637	}
638
639	/*
640	* Find pending chat
641	*/
642	static struct jabber_chat find_pending_chat(struct gaim_connection gc, jid chat)
643	{
644	GSList jcs = ((struct jabber_data )gc->proto_data)->chats;
645	struct jabber_chat *jc = NULL;
646
647	while (jcs) {
648	jc = jcs->data;
649	if (jc->state == JCS_PENDING && !jid_cmpx(chat, jc->Jid, JID_USER \| JID_SERVER))
650	break;
651	jc = NULL;
652	jcs = jcs->next;
653	}
654
655	return jc;
656	}
657
658	static gboolean find_chat_buddy(struct conversation b, char name)
659	{
660	GList *m = b->in_room;
661
662	while (m) {
663	if (!strcmp(m->data, name))
664	return TRUE;
665	m = m->next;
666	}
667
668	return FALSE;
669	}
670
671	/*
672	* Remove a buddy from the (gaim) buddylist (if he's on it)
673	*/
674	static void jabber_remove_gaim_buddy(struct gaim_connection gc, char buddyname)
675	{
676	struct buddy *b;
677
678	if ((b = find_buddy(gc, buddyname)) != NULL) {
679	/* struct group *group;
680
681	group = find_group_by_buddy(gc, buddyname);
682	remove_buddy(gc, group, b); */
683	jabber_remove_buddy(gc, b->name, JABBER_GROUP);
684	}
685	}
686
687	/*
688	* keep track of away msg same as yahoo plugin
689	*/
690	static void jabber_track_away(gjconn gjc, jpacket p, char name, char type)
691	{
692	struct jabber_data *jd = GJ_GC(gjc)->proto_data;
693	gpointer val = g_hash_table_lookup(jd->hash, name);
694	char *show;
695	char *vshow = NULL;
696	char *status = NULL;
697	char *msg = NULL;
698
699	if (type && (g_strcasecmp(type, "unavailable") == 0)) {
700	vshow = _("Unavailable");
701	} else {
702	if((show = xmlnode_get_tag_data(p->x, "show")) != NULL) {
703	if (!g_strcasecmp(show, "away")) {
704	vshow = _("Away");
705	} else if (!g_strcasecmp(show, "chat")) {
706	vshow = _("Online");
707	} else if (!g_strcasecmp(show, "xa")) {
708	vshow = _("Extended Away");
709	} else if (!g_strcasecmp(show, "dnd")) {
710	vshow = _("Do Not Disturb");
711	}
712	}
713	}
714
715	status = xmlnode_get_tag_data(p->x, "status");
716
717	if(vshow != NULL \|\| status != NULL ) {
718	/* kinda hokey, but it works :-) */
719	msg = g_strdup_printf("%s%s%s",
720	(vshow == NULL? "" : vshow),
721	(vshow == NULL \|\| status == NULL? "" : ": "),
722	(status == NULL? "" : status));
723	} else {
724	msg = g_strdup(_("Online"));
725	}
726
727	if (val) {
728	g_free(val);
729	g_hash_table_insert(jd->hash, name, msg);
730	} else {
731	g_hash_table_insert(jd->hash, g_strdup(name), msg);
732	}
733	}
734
735	static time_t iso8601_to_time(char *timestamp)
736	{
737	struct tm t;
738	time_t retval = 0;
739
740	if(sscanf(timestamp,"%04d%02d%02dT%02d:%02d:%02d",
741	&t.tm_year, &t.tm_mon, &t.tm_mday, &t.tm_hour, &t.tm_min, &t.tm_sec))
742	{
743	t.tm_year -= 1900;
744	t.tm_mon -= 1;
745	t.tm_isdst = 0;
746	retval = mktime(&t);
747	# ifdef HAVE_TM_GMTOFF
748	retval += t.tm_gmtoff;
749	# else
750	# ifdef HAVE_TIMEZONE
751	tzset(); /* making sure */
752	retval -= timezone;
753	# endif
754	# endif
755	}
756
757	return retval;
758	}
759
760	static void jabber_handlemessage(gjconn gjc, jpacket p)
761	{
762	xmlnode y, xmlns, z;
763	time_t time_sent = time(NULL);
764
765	char from = NULL, msg = NULL, *type = NULL;
766	char m[BUF_LONG * 2];
767
768	type = xmlnode_get_attrib(p->x, "type");
769
770	z = xmlnode_get_firstchild(p->x);
771
772	while(z)
773	{
774	if(NSCHECK(z,NS_DELAY))
775	{
776	char *timestamp = xmlnode_get_attrib(z,"stamp");
777	time_sent = iso8601_to_time(timestamp);
778	}
779	z = xmlnode_get_nextsibling(z);
780	}
781
782	if (!type \|\| !g_strcasecmp(type, "normal") \|\| !g_strcasecmp(type, "chat")) {
783
784	/* XXX namespaces could be handled better. (mid) */
785	if ((xmlns = xmlnode_get_tag(p->x, "x")))
786	type = xmlnode_get_attrib(xmlns, "xmlns");
787
788	from = jid_full(p->from);
789	/*
790	if ((y = xmlnode_get_tag(p->x, "html"))) {
791	msg = xmlnode_get_data(y);
792	} else
793	*/
794	if ((y = xmlnode_get_tag(p->x, "body"))) {
795	msg = xmlnode_get_data(y);
796	}
797
798
799	if (!from)
800	return;
801
802	if (type && !g_strcasecmp(type, "jabber:x:conference")) {
803	/* do nothing */
804	} else if (msg) { /* whisper */
805	struct jabber_chat *jc;
806	g_snprintf(m, sizeof(m), "%s", msg);
807	if (((jc = find_existing_chat(GJ_GC(gjc), p->from)) != NULL) && jc->b)
808	serv_got_chat_in(GJ_GC(gjc), jc->b->id, p->from->resource, 1, m, time_sent);
809	else {
810	int flags = 0;
811
812	if(p->from->user) {
813	from = g_strdup_printf("%s@%s", p->from->user, p->from->server);
814	} else {
815	/* server message? */
816	from = g_strdup(p->from->server);
817	}
818	serv_got_im(GJ_GC(gjc), from, m, flags, time_sent, -1);
819	g_free(from);
820	}
821	}
822
823	} else if (!g_strcasecmp(type, "error")) {
824	if ((y = xmlnode_get_tag(p->x, "error"))) {
825	type = xmlnode_get_attrib(y, "code");
826	msg = xmlnode_get_data(y);
827	}
828
829	if (msg) {
830	from = g_strdup_printf("Error %s", type ? type : "");
831	do_error_dialog(GJ_GC(gjc), msg, from);
832	g_free(from);
833	}
834	} else if (!g_strcasecmp(type, "headline")) {
835	char subject, body, *url;
836
837	y = xmlnode_get_tag( p->x, "body" );
838	body = y ? g_strdup( xmlnode_get_data( y ) ) : NULL;
839
840	y = xmlnode_get_tag( p->x, "subject" );
841	subject = y ? g_strdup( xmlnode_get_data( y ) ) : NULL;
842
843	url = NULL;
844	z = xmlnode_get_firstchild(p->x);
845	while( z )
846	{
847	char *xtype = xmlnode_get_attrib( z, "xmlns" );
848
849	if( xtype && g_strcasecmp( xtype, "jabber:x:oob" ) == 0 &&
850	( y = xmlnode_get_tag( z, "url" ) ) )
851	{
852	url = g_strdup( xmlnode_get_data( y ) );
853	break;
854	}
855
856	z = xmlnode_get_nextsibling( z );
857	}
858
859	g_snprintf( m, BUF_LONG, "Subject: %s\nURL: %s\nMessage:\n%s", subject ? subject : "(none)",
860	url ? url : "(none)", body ? body : "(none)" );
861
862	if( p->from->user )
863	from = g_strdup_printf( "%s@%s", p->from->user, p->from->server );
864	else
865	from = g_strdup( p->from->server );
866
867	serv_got_im( GJ_GC(gjc), from, m, 0, time_sent, -1 );
868
869	g_free( from );
870	g_free( subject );
871	g_free( body );
872	g_free( url );
873	}
874	}
875
876	static void jabber_handlepresence(gjconn gjc, jpacket p)
877	{
878	char to, from, *type;
879	struct buddy *b = NULL;
880	jid who;
881	char *buddy;
882	xmlnode y;
883	char *show;
884	int state = 0;
885	GSList *resources;
886	char *res;
887	struct conversation *cnv = NULL;
888	struct jabber_chat *jc = NULL;
889
890	to = xmlnode_get_attrib(p->x, "to");
891	from = xmlnode_get_attrib(p->x, "from");
892	type = xmlnode_get_attrib(p->x, "type");
893
894	if (type && g_strcasecmp(type, "error") == 0) {
895	return;
896	}
897	else if ((y = xmlnode_get_tag(p->x, "show"))) {
898	show = xmlnode_get_data(y);
899	if (!show) {
900	state = 0;
901	} else if (!g_strcasecmp(show, "away")) {
902	state = UC_AWAY;
903	} else if (!g_strcasecmp(show, "chat")) {
904	state = UC_CHAT;
905	} else if (!g_strcasecmp(show, "xa")) {
906	state = UC_XA;
907	} else if (!g_strcasecmp(show, "dnd")) {
908	state = UC_DND;
909	}
910	} else {
911	state = 0;
912	}
913
914	who = jid_new(gjc->p, from);
915	if (who->user == NULL) {
916	/* FIXME: transport */
917	return;
918	}
919
920	buddy = g_strdup_printf("%s@%s", who->user, who->server);
921
922	/* um. we're going to check if it's a chat. if it isn't, and there are pending
923	* chats, create the chat. if there aren't pending chats and we don't have the
924	* buddy on our list, simply bail out. */
925	if ((cnv = NULL) == NULL) {
926	static int i = 0x70;
927	if ((jc = find_pending_chat(GJ_GC(gjc), who)) != NULL) {
928	jc->b = cnv = serv_got_joined_chat(GJ_GC(gjc), i++, who->user);
929	jc->id = jc->b->id;
930	jc->state = JCS_ACTIVE;
931	} else if ((b = find_buddy(GJ_GC(gjc), buddy)) == NULL) {
932	g_free(buddy);
933	return;
934	}
935	}
936
937	if (!cnv) {
938	resources = b->proto_data;
939	res = who->resource;
940	if (res)
941	while (resources) {
942	if (!strcmp(res, resources->data))
943	break;
944	resources = resources->next;
945	}
946
947	/* keep track of away msg same as yahoo plugin */
948	jabber_track_away(gjc, p, normalize(b->name), type);
949
950	if (type && (g_strcasecmp(type, "unavailable") == 0)) {
951	if (resources) {
952	g_free(resources->data);
953	b->proto_data = g_slist_remove(b->proto_data, resources->data);
954	}
955	if (!b->proto_data) {
956	serv_got_update(GJ_GC(gjc), buddy, 0, 0, 0, 0, 0, 0);
957	}
958	} else {
959	if (!resources) {
960	b->proto_data = g_slist_append(b->proto_data, g_strdup(res));
961	}
962
963	serv_got_update(GJ_GC(gjc), buddy, 1, 0, b->signon, b->idle, state, 0);
964
965	}
966	} else {
967	if (who->resource) {
968	char *buf;
969
970	buf = g_strdup_printf("%s@%s/%s", who->user, who->server, who->resource);
971	jabber_track_away(gjc, p, buf, type);
972	g_free(buf);
973
974	if (type && !g_strcasecmp(type, "unavailable")) {
975	struct jabber_data *jd;
976	if (!jc && !(jc = find_existing_chat(GJ_GC(gjc), who))) {
977	g_free(buddy);
978	return;
979	}
980	jd = jc->gc->proto_data;
981	/* if it's not ourselves...*/
982	if (strcmp(who->resource, jc->Jid->resource) && jc->b) {
983	remove_chat_buddy(jc->b, who->resource, NULL);
984	g_free(buddy);
985	return;
986	}
987
988	jc->state = JCS_CLOSED;
989	serv_got_chat_left(GJ_GC(gjc), jc->id);
990	/*
991	* TBD: put back some day?
992	jd->chats = g_slist_remove(jd->chats, jc);
993	g_free(jc);
994	*/
995	} else {
996	if ((!jc && !(jc = find_existing_chat(GJ_GC(gjc), who))) \|\| !jc->b) {
997	g_free(buddy);
998	return;
999	}
1000	if (!find_chat_buddy(jc->b, who->resource)) {
1001	add_chat_buddy(jc->b, who->resource);
1002	}
1003	}
1004	}
1005	}
1006
1007	g_free(buddy);
1008
1009	return;
1010	}
1011
1012	/*
1013	* Used only by Jabber accept/deny add stuff just below
1014	*/
1015	struct jabber_add_permit {
1016	gjconn gjc;
1017	gchar *user;
1018	};
1019
1020	/*
1021	* Common part for Jabber accept/deny adds
1022	*
1023	* "type" says whether we'll permit/deny the subscribe request
1024	*/
1025	static void jabber_accept_deny_add(struct jabber_add_permit jap, const char type)
1026	{
1027	xmlnode g = xmlnode_new_tag("presence");
1028
1029	xmlnode_put_attrib(g, "to", jap->user);
1030	xmlnode_put_attrib(g, "type", type);
1031	gjab_send(jap->gjc, g);
1032
1033	xmlnode_free(g);
1034	}
1035
1036	/*
1037	* Callback from "accept" in do_ask_dialog() invoked by jabber_handles10n()
1038	*/
1039	static void jabber_accept_add(gpointer w, struct jabber_add_permit *jap)
1040	{
1041	jabber_accept_deny_add(jap, "subscribed");
1042	/*
1043	* If we don't already have the buddy on our buddylist,
1044	* ask if we want him or her added.
1045	*/
1046	if(find_buddy(GJ_GC(jap->gjc), jap->user) == NULL) {
1047	show_got_added(GJ_GC(jap->gjc), jap->user, NULL);
1048	}
1049	g_free(jap->user);
1050	g_free(jap);
1051	}
1052
1053	/*
1054	* Callback from "deny/cancel" in do_ask_dialog() invoked by jabber_handles10n()
1055	*/
1056	static void jabber_deny_add(gpointer w, struct jabber_add_permit *jap)
1057	{
1058	jabber_accept_deny_add(jap, "unsubscribed");
1059	g_free(jap->user);
1060	g_free(jap);
1061	}
1062
1063	/*
1064	* Handle subscription requests
1065	*/
1066	static void jabber_handles10n(gjconn gjc, jpacket p)
1067	{
1068	xmlnode g;
1069	char *Jid = xmlnode_get_attrib(p->x, "from");
1070	char *type = xmlnode_get_attrib(p->x, "type");
1071
1072	g = xmlnode_new_tag("presence");
1073	xmlnode_put_attrib(g, "to", Jid);
1074
1075	if (!strcmp(type, "subscribe")) {
1076	/*
1077	* A "subscribe to us" request was received - put up the approval dialog
1078	*/
1079	struct jabber_add_permit *jap = g_new0(struct jabber_add_permit, 1);
1080	gchar *msg = g_strdup_printf(_("The user %s wants to add you to his/her buddy list."),
1081	Jid);
1082
1083	jap->gjc = gjc;
1084	jap->user = g_strdup(Jid);
1085	do_ask_dialog(GJ_GC(gjc), msg, jap, jabber_accept_add, jabber_deny_add);
1086
1087	g_free(msg);
1088	xmlnode_free(g); /* Never needed it here anyway */
1089	return;
1090
1091	} else if (!strcmp(type, "unsubscribe")) {
1092	/*
1093	* An "unsubscribe to us" was received - simply "approve" it
1094	*/
1095	xmlnode_put_attrib(g, "type", "unsubscribed");
1096	} else {
1097	/*
1098	* Did we attempt to subscribe to somebody and they do not exist?
1099	*/
1100	if (!strcmp(type, "unsubscribed")) {
1101	xmlnode y;
1102	char *status;
1103	if((y = xmlnode_get_tag(p->x, "status")) && (status = xmlnode_get_data(y)) &&
1104	!strcmp(status, "Not Found")) {
1105	char *msg = g_strdup_printf("%s: \"%s\"", _("No such user"),
1106	xmlnode_get_attrib(p->x, "from"));
1107	do_error_dialog(GJ_GC(gjc), msg, _("Jabber Error"));
1108	g_free(msg);
1109	}
1110	}
1111
1112	xmlnode_free(g);
1113	return;
1114	}
1115
1116	gjab_send(gjc, g);
1117	xmlnode_free(g);
1118	}
1119
1120	/*
1121	* Pending subscription to a buddy?
1122	*/
1123	#define BUD_SUB_TO_PEND(sub, ask) ((!g_strcasecmp((sub), "none") \|\| !g_strcasecmp((sub), "from")) && \
1124	(ask) != NULL && !g_strcasecmp((ask), "subscribe"))
1125
1126	/*
1127	* Subscribed to a buddy?
1128	*/
1129	#define BUD_SUBD_TO(sub, ask) ((!g_strcasecmp((sub), "to") \|\| !g_strcasecmp((sub), "both")) && \
1130	((ask) == NULL \|\| !g_strcasecmp((ask), "subscribe")))
1131
1132	/*
1133	* Pending unsubscription to a buddy?
1134	*/
1135	#define BUD_USUB_TO_PEND(sub, ask) ((!g_strcasecmp((sub), "to") \|\| !g_strcasecmp((sub), "both")) && \
1136	(ask) != NULL && !g_strcasecmp((ask), "unsubscribe"))
1137
1138	/*
1139	* Unsubscribed to a buddy?
1140	*/
1141	#define BUD_USUBD_TO(sub, ask) ((!g_strcasecmp((sub), "none") \|\| !g_strcasecmp((sub), "from")) && \
1142	((ask) == NULL \|\| !g_strcasecmp((ask), "unsubscribe")))
1143
1144	/*
1145	* If a buddy is added or removed from the roster on another resource
1146	* jabber_handlebuddy is called
1147	*
1148	* Called with roster item node.
1149	*/
1150	static void jabber_handlebuddy(gjconn gjc, xmlnode x)
1151	{
1152	xmlnode g;
1153	char Jid, name, sub, ask;
1154	jid who;
1155	struct buddy *b = NULL;
1156	char buddyname, groupname = NULL;
1157
1158	Jid = xmlnode_get_attrib(x, "jid");
1159	name = xmlnode_get_attrib(x, "name");
1160	sub = xmlnode_get_attrib(x, "subscription");
1161	ask = xmlnode_get_attrib(x, "ask");
1162	who = jid_new(gjc->p, Jid);
1163
1164	/* JFIXME: jabber_handleroster() had a "FIXME: transport" at this
1165	* equivilent point. So...
1166	*
1167	* We haven't allocated any memory or done anything interesting to
1168	* this point, so we'll violate Good Coding Structure here by
1169	* simply bailing out.
1170	*/
1171	if (!who \|\| !who->user) {
1172	return;
1173	}
1174
1175	buddyname = g_strdup_printf("%s@%s", who->user, who->server);
1176
1177	if((g = xmlnode_get_tag(x, "group")) != NULL) {
1178	groupname = xmlnode_get_data(g);
1179	}
1180
1181	/*
1182	* Add or remove a buddy? Change buddy's alias or group?
1183	*/
1184	if (BUD_SUB_TO_PEND(sub, ask) \|\| BUD_SUBD_TO(sub, ask)) {
1185	if ((b = find_buddy(GJ_GC(gjc), buddyname)) == NULL) {
1186	add_buddy(GJ_GC(gjc), groupname ? groupname : _("Buddies"), buddyname,
1187	name ? name : buddyname);
1188	} else {
1189	/* struct group c_grp = find_group_by_buddy(GJ_GC(gjc), buddyname); /
1190
1191	/*
1192	* If the buddy's in a new group or his/her alias is changed...
1193	*/
1194	if(groupname) {
1195	int present = b->present; /* save presence state */
1196	int uc = b->uc; /* and away state (?) */
1197	int idle = b->idle;
1198	int signon = b->signon;
1199
1200	/*
1201	* seems rude, but it seems to be the only way...
1202	*/
1203	/* remove_buddy(GJ_GC(gjc), c_grp, b); */
1204	jabber_remove_buddy(GJ_GC(gjc), b->name, JABBER_GROUP);
1205
1206	add_buddy(GJ_GC(gjc), groupname, buddyname,
1207	name ? name : buddyname);
1208	if(present) {
1209	serv_got_update(GJ_GC(gjc), buddyname, 1, 0, signon, idle, uc, 0);
1210	}
1211	} else if(name != NULL && strcmp(b->show, name)) {
1212	strncpy(b->show, name, BUDDY_ALIAS_MAXLEN);
1213	b->show[BUDDY_ALIAS_MAXLEN - 1] = '\0'; /* cheap safety feature */
1214	serv_buddy_rename(GJ_GC(gjc), buddyname, b->show);
1215	}
1216	}
1217	} else if (BUD_USUB_TO_PEND(sub, ask) \|\| BUD_USUBD_TO(sub, ask) \|\| !g_strcasecmp(sub, "remove")) {
1218	jabber_remove_gaim_buddy(GJ_GC(gjc), buddyname);
1219	}
1220	g_free(buddyname);
1221
1222	}
1223
1224	static void jabber_handleroster(gjconn gjc, xmlnode querynode)
1225	{
1226	xmlnode x;
1227
1228	x = xmlnode_get_firstchild(querynode);
1229	while (x) {
1230	jabber_handlebuddy(gjc, x);
1231	x = xmlnode_get_nextsibling(x);
1232	}
1233
1234	account_online(GJ_GC(gjc));
1235	}
1236
1237	static void jabber_handleauthresp(gjconn gjc, jpacket p)
1238	{
1239	if (jpacket_subtype(p) == JPACKET__RESULT) {
1240	if (xmlnode_has_children(p->x)) {
1241	xmlnode query = xmlnode_get_tag(p->x, "query");
1242	set_login_progress(GJ_GC(gjc), 4, _("Authenticating"));
1243	if (!xmlnode_get_tag(query, "digest")) {
1244	g_free(gjc->sid);
1245	gjc->sid = NULL;
1246	}
1247	gjab_auth(gjc);
1248	} else {
1249	gjab_reqroster(gjc);
1250
1251	((struct jabber_data *)GJ_GC(gjc)->proto_data)->did_import = TRUE;
1252	}
1253	} else {
1254	xmlnode xerr;
1255	char *errmsg = NULL;
1256	int errcode = 0;
1257	struct jabber_data *jd = GJ_GC(gjc)->proto_data;
1258
1259	xerr = xmlnode_get_tag(p->x, "error");
1260	if (xerr) {
1261	char msg[BUF_LONG];
1262	errmsg = xmlnode_get_data(xerr);
1263	if (xmlnode_get_attrib(xerr, "code")) {
1264	errcode = atoi(xmlnode_get_attrib(xerr, "code"));
1265	g_snprintf(msg, sizeof(msg), "Error %d: %s", errcode, errmsg ? errmsg : "Unknown error");
1266	} else
1267	g_snprintf(msg, sizeof(msg), "%s", errmsg);
1268	hide_login_progress(GJ_GC(gjc), msg);
1269	} else {
1270	hide_login_progress(GJ_GC(gjc), _("Unknown login error"));
1271	}
1272
1273	jd->die = TRUE;
1274	}
1275	}
1276
1277	static void jabber_handleversion(gjconn gjc, xmlnode iqnode) {
1278	xmlnode querynode, x;
1279	char id, from;
1280	char os[1024];
1281	#ifndef _WIN32
1282	struct utsname osinfo;
1283
1284	uname(&osinfo);
1285	g_snprintf(os, sizeof os, "%s %s %s", osinfo.sysname, osinfo.release, osinfo.machine);
1286	#else
1287	g_snprintf(os, sizeof os, "Windows %d %d", _winmajor, _winminor);
1288	#endif
1289
1290
1291	id = xmlnode_get_attrib(iqnode, "id");
1292	from = xmlnode_get_attrib(iqnode, "from");
1293
1294	x = jutil_iqnew(JPACKET__RESULT, NS_VERSION);
1295
1296	xmlnode_put_attrib(x, "to", from);
1297	xmlnode_put_attrib(x, "id", id);
1298	querynode = xmlnode_get_tag(x, "query");
1299	xmlnode_insert_cdata(xmlnode_insert_tag(querynode, "name"), PACKAGE, -1);
1300	xmlnode_insert_cdata(xmlnode_insert_tag(querynode, "version"), BITLBEE_VERSION, -1);
1301	xmlnode_insert_cdata(xmlnode_insert_tag(querynode, "os"), os, -1);
1302
1303	gjab_send(gjc, x);
1304
1305	xmlnode_free(x);
1306	}
1307
1308	static void jabber_handletime(gjconn gjc, xmlnode iqnode) {
1309	xmlnode querynode, x;
1310	char id, from;
1311	time_t now_t;
1312	struct tm *now;
1313	char buf[1024];
1314
1315	time(&now_t);
1316	now = localtime(&now_t);
1317
1318	id = xmlnode_get_attrib(iqnode, "id");
1319	from = xmlnode_get_attrib(iqnode, "from");
1320
1321	x = jutil_iqnew(JPACKET__RESULT, NS_TIME);
1322
1323	xmlnode_put_attrib(x, "to", from);
1324	xmlnode_put_attrib(x, "id", id);
1325	querynode = xmlnode_get_tag(x, "query");
1326
1327	strftime(buf, 1024, "%Y%m%dT%T", now);
1328	xmlnode_insert_cdata(xmlnode_insert_tag(querynode, "utc"), buf, -1);
1329	strftime(buf, 1024, "%Z", now);
1330	xmlnode_insert_cdata(xmlnode_insert_tag(querynode, "tz"), buf, -1);
1331	strftime(buf, 1024, "%d %b %Y %T", now);
1332	xmlnode_insert_cdata(xmlnode_insert_tag(querynode, "display"), buf, -1);
1333
1334	gjab_send(gjc, x);
1335
1336	xmlnode_free(x);
1337	}
1338
1339	static void jabber_handlelast(gjconn gjc, xmlnode iqnode) {
1340	xmlnode x, querytag;
1341	char id, from;
1342	struct jabber_data *jd = GJ_GC(gjc)->proto_data;
1343	char idle_time[32];
1344
1345	id = xmlnode_get_attrib(iqnode, "id");
1346	from = xmlnode_get_attrib(iqnode, "from");
1347
1348	x = jutil_iqnew(JPACKET__RESULT, "jabber:iq:last");
1349
1350	xmlnode_put_attrib(x, "to", from);
1351	xmlnode_put_attrib(x, "id", id);
1352	querytag = xmlnode_get_tag(x, "query");
1353	g_snprintf(idle_time, sizeof idle_time, "%ld", jd->idle ? time(NULL) - jd->idle : 0);
1354	xmlnode_put_attrib(querytag, "seconds", idle_time);
1355
1356	gjab_send(gjc, x);
1357	xmlnode_free(x);
1358	}
1359
1360	/*
1361	* delete == TRUE: delete found entry
1362	*
1363	* returns pointer to (local) copy of value if found, NULL otherwise
1364	*
1365	* Note: non-reentrant! Local static storage re-used on subsequent calls.
1366	* If you're going to need to keep the returned value, make a copy!
1367	*/
1368	static gchar jabber_track_queries(GHashTable queries, gchar *key, gboolean delete)
1369	{
1370	gpointer my_key, my_val;
1371	static gchar *ret_val = NULL;
1372
1373	if(ret_val != NULL) {
1374	g_free(ret_val);
1375	ret_val = NULL;
1376	}
1377
1378	/* self-protection */
1379	if(queries != NULL && key != NULL) {
1380	if(g_hash_table_lookup_extended(queries, key, &my_key, &my_val)) {
1381	ret_val = g_strdup((gchar *) my_val);
1382	if(delete) {
1383	g_hash_table_remove(queries, key);
1384	g_free(my_key);
1385	g_free(my_val);
1386	}
1387	}
1388	}
1389
1390	return(ret_val);
1391	}
1392
1393	static void jabber_handlepacket(gjconn gjc, jpacket p)
1394	{
1395	char *id;
1396	switch (p->type) {
1397	case JPACKET_MESSAGE:
1398	jabber_handlemessage(gjc, p);
1399	break;
1400	case JPACKET_PRESENCE:
1401	jabber_handlepresence(gjc, p);
1402	break;
1403	case JPACKET_IQ:
1404	id = xmlnode_get_attrib(p->x, "id");
1405	if (id != NULL && !strcmp(id, IQID_AUTH)) {
1406	jabber_handleauthresp(gjc, p);
1407	break;
1408	}
1409
1410	if (jpacket_subtype(p) == JPACKET__SET) {
1411	xmlnode querynode;
1412	querynode = xmlnode_get_tag(p->x, "query");
1413	if (NSCHECK(querynode, "jabber:iq:roster")) {
1414	jabber_handlebuddy(gjc, xmlnode_get_firstchild(querynode));
1415	}
1416	} else if (jpacket_subtype(p) == JPACKET__GET) {
1417	xmlnode querynode;
1418	querynode = xmlnode_get_tag(p->x, "query");
1419	if (NSCHECK(querynode, NS_VERSION)) {
1420	jabber_handleversion(gjc, p->x);
1421	} else if (NSCHECK(querynode, NS_TIME)) {
1422	jabber_handletime(gjc, p->x);
1423	} else if (NSCHECK(querynode, "jabber:iq:last")) {
1424	jabber_handlelast(gjc, p->x);
1425	}
1426	} else if (jpacket_subtype(p) == JPACKET__RESULT) {
1427	xmlnode querynode, vcard;
1428	/* char xmlns; /
1429	char *from;
1430
1431	/*
1432	* TBD: ISTM maybe this part could use a serious re-work?
1433	*/
1434	from = xmlnode_get_attrib(p->x, "from");
1435	querynode = xmlnode_get_tag(p->x, "query");
1436	vcard = xmlnode_get_tag(p->x, "vCard");
1437	if (!vcard)
1438	vcard = xmlnode_get_tag(p->x, "VCARD");
1439
1440	if (NSCHECK(querynode, NS_ROSTER)) {
1441	jabber_handleroster(gjc, querynode);
1442	} else if (NSCHECK(querynode, NS_VCARD)) {
1443	jabber_track_queries(gjc->queries, id, TRUE); /* delete query track */
1444	jabber_handlevcard(gjc, querynode, from);
1445	} else if (vcard) {
1446	jabber_track_queries(gjc->queries, id, TRUE); /* delete query track */
1447	jabber_handlevcard(gjc, vcard, from);
1448	} else {
1449	char *val;
1450
1451	/* handle "null" query results */
1452	if((val = jabber_track_queries(gjc->queries, id, TRUE)) != NULL) {
1453	if (!g_strncasecmp(val, "vcard", 5)) {
1454	jabber_handlevcard(gjc, NULL, from);
1455	}
1456
1457	/* No-op */
1458	}
1459	}
1460
1461	} else if (jpacket_subtype(p) == JPACKET__ERROR) {
1462	xmlnode xerr;
1463	char from, errmsg = NULL;
1464	int errcode = 0;
1465
1466	from = xmlnode_get_attrib(p->x, "from");
1467	xerr = xmlnode_get_tag(p->x, "error");
1468	if (xerr) {
1469	errmsg = xmlnode_get_data(xerr);
1470	if (xmlnode_get_attrib(xerr, "code"))
1471	errcode = atoi(xmlnode_get_attrib(xerr, "code"));
1472	}
1473
1474	from = g_strdup_printf("Error %d (%s)", errcode, from);
1475	do_error_dialog(GJ_GC(gjc), errmsg, from);
1476	g_free(from);
1477
1478	}
1479
1480	break;
1481	case JPACKET_S10N:
1482	jabber_handles10n(gjc, p);
1483	break;
1484	}
1485
1486	xmlnode_free(p->x);
1487
1488	return;
1489	}
1490
1491	static void jabber_handlestate(gjconn gjc, int state)
1492	{
1493	switch (state) {
1494	case JCONN_STATE_OFF:
1495	if(gjc->was_connected) {
1496	hide_login_progress_error(GJ_GC(gjc), _("Connection lost"));
1497	} else {
1498	hide_login_progress(GJ_GC(gjc), _("Unable to connect"));
1499	}
1500	signoff(GJ_GC(gjc));
1501	break;
1502	case JCONN_STATE_CONNECTED:
1503	gjc->was_connected = 1;
1504	set_login_progress(GJ_GC(gjc), 2, _("Connected"));
1505	break;
1506	case JCONN_STATE_ON:
1507	set_login_progress(GJ_GC(gjc), 3, _("Requesting Authentication Method"));
1508	gjab_reqauth(gjc);
1509	break;
1510	}
1511	return;
1512	}
1513
1514	static void jabber_login(struct aim_user *user)
1515	{
1516	struct gaim_connection *gc = new_gaim_conn(user);
1517	struct jabber_data *jd = gc->proto_data = g_new0(struct jabber_data, 1);
1518	char *loginname = create_valid_jid(user->username, DEFAULT_SERVER, "BitlBee");
1519
1520	jd->hash = g_hash_table_new(g_str_hash, g_str_equal);
1521	jd->chats = NULL; /* we have no chats yet */
1522
1523	set_login_progress(gc, 1, _("Connecting"));
1524
1525	if (!(jd->gjc = gjab_new(loginname, user->password, gc))) {
1526	g_free(loginname);
1527	hide_login_progress(gc, _("Unable to connect"));
1528	signoff(gc);
1529	return;
1530	}
1531
1532	g_free(loginname);
1533	gjab_state_handler(jd->gjc, jabber_handlestate);
1534	gjab_packet_handler(jd->gjc, jabber_handlepacket);
1535	jd->gjc->queries = g_hash_table_new(g_str_hash, g_str_equal);
1536	gjab_start(jd->gjc);
1537	}
1538
1539	static gboolean jabber_destroy_hash(gpointer key, gpointer val, gpointer data) {
1540	g_free(key);
1541	g_free(val);
1542	return TRUE;
1543	}
1544
1545	static gboolean jabber_free(gpointer data)
1546	{
1547	struct jabber_data *jd = data;
1548
1549	if(jd->gjc != NULL) {
1550	gjab_delete(jd->gjc);
1551	/* YAY for modules with their own memory pool managers!...
1552	g_free(jd->gjc->sid);
1553	And a less sarcastic yay for valgrind. :-) */
1554	jd->gjc = NULL;
1555	}
1556	g_free(jd);
1557
1558	return FALSE;
1559	}
1560
1561	static void jabber_close(struct gaim_connection *gc)
1562	{
1563	struct jabber_data *jd = gc->proto_data;
1564
1565	if(jd) {
1566	GSList *jcs = jd->chats;
1567
1568	/* Free-up the jabber_chat struct allocs and the list */
1569	while (jcs) {
1570	g_free(jcs->data);
1571	jcs = jcs->next;
1572	}
1573	g_slist_free(jd->chats);
1574
1575	/* Free-up the away status memories and the list */
1576	if(jd->hash != NULL) {
1577	g_hash_table_foreach_remove(jd->hash, jabber_destroy_hash, NULL);
1578	g_hash_table_destroy(jd->hash);
1579	jd->hash = NULL;
1580	}
1581
1582	/* Free-up the pending queries memories and the list */
1583	if(jd->gjc != NULL && jd->gjc->queries != NULL) {
1584	g_hash_table_foreach_remove(jd->gjc->queries, jabber_destroy_hash, NULL);
1585	g_hash_table_destroy(jd->gjc->queries);
1586	jd->gjc->queries = NULL;
1587	}
1588	}
1589	if (gc->inpa)
1590	gaim_input_remove(gc->inpa);
1591
1592	if(jd) {
1593	g_timeout_add(50, jabber_free, jd);
1594	if(jd->gjc != NULL)
1595	xmlnode_free(jd->gjc->current);
1596	}
1597	gc->proto_data = NULL;
1598	}
1599
1600	static int jabber_send_im(struct gaim_connection gc, char who, char *message, int len, int flags)
1601	{
1602	xmlnode x, y;
1603	char *realwho;
1604	gjconn gjc = ((struct jabber_data *)gc->proto_data)->gjc;
1605
1606	if (!who \|\| !message)
1607	return 0;
1608
1609	x = xmlnode_new_tag("message");
1610	/* Bare username and "username" not the server itself? */
1611	if (!strchr(who, '@') && strcmp(who, gjc->user->server) != 0)
1612	realwho = g_strdup_printf("%s@%s", who, gjc->user->server);
1613	else
1614	realwho = g_strdup(who);
1615	xmlnode_put_attrib(x, "to", realwho);
1616	g_free(realwho);
1617
1618	xmlnode_insert_tag(x, "bitlbee");
1619	xmlnode_put_attrib(x, "type", "chat");
1620
1621	if (message && strlen(message)) {
1622	y = xmlnode_insert_tag(x, "body");
1623	xmlnode_insert_cdata(y, message, -1);
1624	}
1625
1626	gjab_send(((struct jabber_data *)gc->proto_data)->gjc, x);
1627	xmlnode_free(x);
1628	return 1;
1629	}
1630
1631	/*
1632	* Add/update buddy's roster entry on server
1633	*/
1634	static void jabber_roster_update(struct gaim_connection gc, char name)
1635	{
1636	xmlnode x, y;
1637	char *realwho;
1638	gjconn gjc;
1639	struct buddy *buddy = NULL;
1640	/* struct group buddy_group = NULL; /
1641
1642	if(gc && gc->proto_data && ((struct jabber_data *)gc->proto_data)->gjc && name) {
1643	gjc = ((struct jabber_data *)gc->proto_data)->gjc;
1644
1645	if (!strchr(name, '@'))
1646	realwho = g_strdup_printf("%s@%s", name, gjc->user->server);
1647	else {
1648	jid who = jid_new(gjc->p, name);
1649	if (who->user == NULL) {
1650	/* FIXME: transport */
1651	return;
1652	}
1653	realwho = g_strdup_printf("%s@%s", who->user, who->server);
1654	}
1655
1656
1657	x = jutil_iqnew(JPACKET__SET, NS_ROSTER);
1658	y = xmlnode_insert_tag(xmlnode_get_tag(x, "query"), "item");
1659	xmlnode_put_attrib(y, "jid", realwho);
1660
1661
1662	/* If we can find the buddy, there's an alias for him, it's not 0-length
1663	* and it doesn't match his JID, add the "name" attribute.
1664	*/
1665	if((buddy = find_buddy(gc, realwho)) != NULL &&
1666	buddy->show != NULL && buddy->show[0] != '\0' && strcmp(realwho, buddy->show)) {
1667
1668	xmlnode_put_attrib(y, "name", buddy->show);
1669	}
1670
1671	/*
1672	* Find out what group the buddy's in and send that along
1673	* with the roster item.
1674	*/
1675	/* Bitlbee disabled
1676	if((buddy_group = NULL) != NULL) {
1677	xmlnode z;
1678	z = xmlnode_insert_tag(y, "group");
1679	xmlnode_insert_cdata(z, buddy_group->name, -1);
1680	}
1681	End - Bitlbee */
1682
1683	gjab_send(((struct jabber_data *)gc->proto_data)->gjc, x);
1684
1685	xmlnode_free(x);
1686	g_free(realwho);
1687	}
1688	}
1689
1690	/*
1691	* Change buddy's group on server roster
1692	*/
1693	static void jabber_group_change(struct gaim_connection gc, char name, char old_group, char new_group)
1694	{
1695	if(strcmp(old_group, new_group)) {
1696	jabber_roster_update(gc, name);
1697	}
1698	}
1699
1700	static void jabber_add_buddy(struct gaim_connection gc, char name)
1701	{
1702	xmlnode x;
1703	char *realwho;
1704	gjconn gjc = ((struct jabber_data *)gc->proto_data)->gjc;
1705
1706	if (!((struct jabber_data *)gc->proto_data)->did_import)
1707	return;
1708
1709	if (!name)
1710	return;
1711
1712	if (!strcmp(gc->username, name))
1713	return;
1714
1715	if (!strchr(name, '@'))
1716	realwho = g_strdup_printf("%s@%s", name, gjc->user->server);
1717	else {
1718	jid who;
1719
1720	if((who = jid_new(gjc->p, name)) == NULL) {
1721	char *msg = g_strdup_printf("%s: \"%s\"", _("Invalid Jabber I.D."), name);
1722	do_error_dialog(GJ_GC(gjc), msg, _("Jabber Error"));
1723	g_free(msg);
1724	jabber_remove_gaim_buddy(gc, name);
1725	return;
1726	}
1727	if (who->user == NULL) {
1728	/* FIXME: transport */
1729	return;
1730	}
1731	realwho = g_strdup_printf("%s@%s", who->user, who->server);
1732	}
1733
1734	x = xmlnode_new_tag("presence");
1735	xmlnode_put_attrib(x, "to", realwho);
1736	xmlnode_put_attrib(x, "type", "subscribe");
1737	gjab_send(((struct jabber_data *)gc->proto_data)->gjc, x);
1738	xmlnode_free(x);
1739
1740	jabber_roster_update(gc, realwho);
1741
1742	g_free(realwho);
1743	}
1744
1745	static void jabber_remove_buddy(struct gaim_connection gc, char name, char *group)
1746	{
1747	xmlnode x;
1748	char *realwho;
1749	gjconn gjc = ((struct jabber_data *)gc->proto_data)->gjc;
1750
1751	if (!name)
1752	return;
1753
1754	if (!strchr(name, '@'))
1755	realwho = g_strdup_printf("%s@%s", name, gjc->user->server);
1756	else
1757	realwho = g_strdup(name);
1758
1759	x = xmlnode_new_tag("presence");
1760	xmlnode_put_attrib(x, "to", realwho);
1761	xmlnode_put_attrib(x, "type", "unsubscribe");
1762	gjab_send(((struct jabber_data *)gc->proto_data)->gjc, x);
1763	g_free(realwho);
1764	xmlnode_free(x);
1765	}
1766
1767	static void jabber_get_info(struct gaim_connection gc, char who) {
1768	xmlnode x;
1769	char *id;
1770	char *realwho;
1771	struct jabber_data *jd = gc->proto_data;
1772	gjconn gjc = jd->gjc;
1773
1774	x = jutil_iqnew(JPACKET__GET, NS_VCARD);
1775	/* Bare username? */
1776	if (!strchr(who, '@')) {
1777	realwho = g_strdup_printf("%s@%s", who, gjc->user->server);
1778	} else {
1779	realwho = g_strdup(who);
1780	}
1781	xmlnode_put_attrib(x, "to", realwho);
1782	g_free(realwho);
1783
1784	id = gjab_getid(gjc);
1785	xmlnode_put_attrib(x, "id", id);
1786
1787	g_hash_table_insert(jd->gjc->queries, g_strdup(id), g_strdup("vCard"));
1788
1789	gjab_send(gjc, x);
1790
1791	xmlnode_free(x);
1792
1793	}
1794
1795	static void jabber_get_away_msg(struct gaim_connection gc, char who) {
1796	struct jabber_data *jd = gc->proto_data;
1797	gjconn gjc = jd->gjc;
1798	char *status;
1799
1800	/* space for all elements: Jabber I.D. + "status" + NULL (list terminator) */
1801	gchar str_arr = (gchar ) g_new(gpointer, 3);
1802	gchar **ap = str_arr;
1803	gchar realwho, final;
1804
1805	/* Bare username? */
1806	if (!strchr(who, '@')) {
1807	realwho = g_strdup_printf("%s@%s", who, gjc->user->server);
1808	} else {
1809	realwho = g_strdup(who);
1810	}
1811	*ap++ = g_strdup_printf("<B>Jabber ID:</B> %s<BR>\n", realwho);
1812
1813	if((status = g_hash_table_lookup(jd->hash, realwho)) == NULL) {
1814	status = _("Unknown");
1815	}
1816	*ap++ = g_strdup_printf("<B>Status:</B> %s<BR>\n", status);
1817
1818	*ap = NULL;
1819
1820	final= g_strjoinv(NULL, str_arr);
1821	g_strfreev(str_arr);
1822
1823	g_free(realwho);
1824	g_free(final);
1825
1826	}
1827
1828	static GList jabber_away_states(struct gaim_connection gc) {
1829	GList *m = NULL;
1830
1831	m = g_list_append(m, "Online");
1832	m = g_list_append(m, "Chatty");
1833	m = g_list_append(m, "Away");
1834	m = g_list_append(m, "Extended Away");
1835	m = g_list_append(m, "Do Not Disturb");
1836
1837	return m;
1838	}
1839
1840	static void jabber_set_away(struct gaim_connection gc, char state, char *message)
1841	{
1842	xmlnode x, y;
1843	struct jabber_data *jd = gc->proto_data;
1844	gjconn gjc = jd->gjc;
1845
1846	gc->away = NULL; /* never send an auto-response */
1847
1848	x = xmlnode_new_tag("presence");
1849
1850	if (!strcmp(state, GAIM_AWAY_CUSTOM)) {
1851	/* oh goody. Gaim is telling us what to do. */
1852	if (message) {
1853	/* Gaim wants us to be away */
1854	y = xmlnode_insert_tag(x, "show");
1855	xmlnode_insert_cdata(y, "away", -1);
1856	y = xmlnode_insert_tag(x, "status");
1857	xmlnode_insert_cdata(y, message, -1);
1858	gc->away = "";
1859	} else {
1860	/* Gaim wants us to not be away */
1861	/* but for Jabber, we can just send presence with no other information. */
1862	}
1863	} else {
1864	/* state is one of our own strings. it won't be NULL. */
1865	if (!g_strcasecmp(state, "Online")) {
1866	/* once again, we don't have to put anything here */
1867	} else if (!g_strcasecmp(state, "Chatty")) {
1868	y = xmlnode_insert_tag(x, "show");
1869	xmlnode_insert_cdata(y, "chat", -1);
1870	} else if (!g_strcasecmp(state, "Away")) {
1871	y = xmlnode_insert_tag(x, "show");
1872	xmlnode_insert_cdata(y, "away", -1);
1873	gc->away = "";
1874	} else if (!g_strcasecmp(state, "Extended Away")) {
1875	y = xmlnode_insert_tag(x, "show");
1876	xmlnode_insert_cdata(y, "xa", -1);
1877	gc->away = "";
1878	} else if (!g_strcasecmp(state, "Do Not Disturb")) {
1879	y = xmlnode_insert_tag(x, "show");
1880	xmlnode_insert_cdata(y, "dnd", -1);
1881	gc->away = "";
1882	}
1883	}
1884
1885	gjab_send(gjc, x);
1886	xmlnode_free(x);
1887	}
1888
1889	static void jabber_keepalive(struct gaim_connection *gc) {
1890	struct jabber_data jd = (struct jabber_data )gc->proto_data;
1891	gjab_send_raw(jd->gjc, " \t ");
1892	}
1893
1894	/---------------------------------------/
1895	/* Jabber "set info" (vCard) support */
1896	/---------------------------------------/
1897
1898	/*
1899	* V-Card format:
1900	*
1901	* <vCard prodid='' version='' xmlns=''>
1902	* <FN></FN>
1903	* <N>
1904	* <FAMILY/>
1905	* <GIVEN/>
1906	* </N>
1907	* <NICKNAME/>
1908	* <URL/>
1909	* <ADR>
1910	* <STREET/>
1911	* <EXTADD/>
1912	* <LOCALITY/>
1913	* <REGION/>
1914	* <PCODE/>
1915	* <COUNTRY/>
1916	* </ADR>
1917	* <TEL/>
1918	* <EMAIL/>
1919	* <ORG>
1920	* <ORGNAME/>
1921	* <ORGUNIT/>
1922	* </ORG>
1923	* <TITLE/>
1924	* <ROLE/>
1925	* <DESC/>
1926	* <BDAY/>
1927	* </vCard>
1928	*
1929	* See also:
1930	*
1931	* http://docs.jabber.org/proto/html/vcard-temp.html
1932	* http://www.vcard-xml.org/dtd/vCard-XML-v2-20010520.dtd
1933	*/
1934
1935	/*
1936	* Cross-reference user-friendly V-Card entry labels to vCard XML tags
1937	* and attributes.
1938	*
1939	* Order is (or should be) unimportant. For example: we have no way of
1940	* knowing in what order real data will arrive.
1941	*
1942	* Format: Label, Pre-set text, "visible" flag, "editable" flag, XML tag
1943	* name, XML tag's parent tag "path" (relative to vCard node).
1944	*
1945	* List is terminated by a NULL label pointer.
1946	*
1947	* Entries with no label text, but with XML tag and parent tag
1948	* entries, are used by V-Card XML construction routines to
1949	* "automagically" construct the appropriate XML node tree.
1950	*
1951	* Thoughts on future direction/expansion
1952	*
1953	* This is a "simple" vCard.
1954	*
1955	* It is possible for nodes other than the "vCard" node to have
1956	* attributes. Should that prove necessary/desirable, add an
1957	* "attributes" pointer to the vcard_template struct, create the
1958	* necessary tag_attr structs, and add 'em to the vcard_dflt_data
1959	* array.
1960	*
1961	* The above changes will (obviously) require changes to the vCard
1962	* construction routines.
1963	*/
1964
1965	static struct vcard_template {
1966	char label; / label text pointer */
1967	char text; / entry text pointer */
1968	int visible; /* should entry field be "visible?" */
1969	int editable; /* should entry field be editable? */
1970	char tag; / tag text */
1971	char ptag; / parent tag "path" text */
1972	char url; / vCard display format if URL */
1973	} vcard_template_data[] = {
1974	{N_("Full Name"), NULL, TRUE, TRUE, "FN", NULL, NULL},
1975	{N_("Family Name"), NULL, TRUE, TRUE, "FAMILY", "N", NULL},
1976	{N_("Given Name"), NULL, TRUE, TRUE, "GIVEN", "N", NULL},
1977	{N_("Nickname"), NULL, TRUE, TRUE, "NICKNAME", NULL, NULL},
1978	{N_("URL"), NULL, TRUE, TRUE, "URL", NULL, "<A HREF=\"%s\">%s</A>"},
1979	{N_("Street Address"), NULL, TRUE, TRUE, "STREET", "ADR", NULL},
1980	{N_("Extended Address"), NULL, TRUE, TRUE, "EXTADD", "ADR", NULL},
1981	{N_("Locality"), NULL, TRUE, TRUE, "LOCALITY", "ADR", NULL},
1982	{N_("Region"), NULL, TRUE, TRUE, "REGION", "ADR", NULL},
1983	{N_("Postal Code"), NULL, TRUE, TRUE, "PCODE", "ADR", NULL},
1984	{N_("Country"), NULL, TRUE, TRUE, "COUNTRY", "ADR", NULL},
1985	{N_("Telephone"), NULL, TRUE, TRUE, "TELEPHONE", NULL, NULL},
1986	{N_("Email"), NULL, TRUE, TRUE, "EMAIL", NULL, "<A HREF=\"mailto:%s\">%s</A>"},
1987	{N_("Organization Name"), NULL, TRUE, TRUE, "ORGNAME", "ORG", NULL},
1988	{N_("Organization Unit"), NULL, TRUE, TRUE, "ORGUNIT", "ORG", NULL},
1989	{N_("Title"), NULL, TRUE, TRUE, "TITLE", NULL, NULL},
1990	{N_("Role"), NULL, TRUE, TRUE, "ROLE", NULL, NULL},
1991	{N_("Birthday"), NULL, TRUE, TRUE, "BDAY", NULL, NULL},
1992	{N_("Description"), NULL, TRUE, TRUE, "DESC", NULL, NULL},
1993	{"", NULL, TRUE, TRUE, "N", NULL, NULL},
1994	{"", NULL, TRUE, TRUE, "ADR", NULL, NULL},
1995	{"", NULL, TRUE, TRUE, "ORG", NULL, NULL},
1996	{NULL, NULL, 0, 0, NULL, NULL, NULL}
1997	};
1998
1999	/*
2000	* Used by routines to parse an XML-encoded string into an xmlnode tree
2001	*/
2002	typedef struct {
2003	XML_Parser parser;
2004	xmlnode current;
2005	} *xmlstr2xmlnode_parser, xmlstr2xmlnode_parser_struct;
2006
2007
2008	/*
2009	* Used by XML_Parse on parsing CDATA
2010	*/
2011	static void xmlstr2xmlnode_charData(void userdata, const char s, int slen)
2012	{
2013	xmlstr2xmlnode_parser xmlp = (xmlstr2xmlnode_parser) userdata;
2014
2015	if (xmlp->current)
2016	xmlnode_insert_cdata(xmlp->current, s, slen);
2017	}
2018
2019	/*
2020	* Used by XML_Parse to start or append to an xmlnode
2021	*/
2022	static void xmlstr2xmlnode_startElement(void userdata, const char name, const char **attribs)
2023	{
2024	xmlnode x;
2025	xmlstr2xmlnode_parser xmlp = (xmlstr2xmlnode_parser) userdata;
2026
2027	if (xmlp->current) {
2028	/* Append the node to the current one */
2029	x = xmlnode_insert_tag(xmlp->current, name);
2030	xmlnode_put_expat_attribs(x, attribs);
2031
2032	xmlp->current = x;
2033	} else {
2034	x = xmlnode_new_tag(name);
2035	xmlnode_put_expat_attribs(x, attribs);
2036	xmlp->current = x;
2037	}
2038	}
2039
2040	/*
2041	* Used by XML_Parse to end an xmlnode
2042	*/
2043	static void xmlstr2xmlnode_endElement(void userdata, const char name)
2044	{
2045	xmlstr2xmlnode_parser xmlp = (xmlstr2xmlnode_parser) userdata;
2046	xmlnode x;
2047
2048	if (xmlp->current != NULL && (x = xmlnode_get_parent(xmlp->current)) != NULL) {
2049	xmlp->current = x;
2050	}
2051	}
2052
2053	/*
2054	* Parse an XML-encoded string into an xmlnode tree
2055	*
2056	* Caller is responsible for freeing the returned xmlnode
2057	*/
2058	static xmlnode xmlstr2xmlnode(char *xmlstring)
2059	{
2060	xmlstr2xmlnode_parser my_parser = g_new(xmlstr2xmlnode_parser_struct, 1);
2061	xmlnode x = NULL;
2062
2063	my_parser->parser = XML_ParserCreate(NULL);
2064	my_parser->current = NULL;
2065
2066	XML_SetUserData(my_parser->parser, (void *)my_parser);
2067	XML_SetElementHandler(my_parser->parser, xmlstr2xmlnode_startElement, xmlstr2xmlnode_endElement);
2068	XML_SetCharacterDataHandler(my_parser->parser, xmlstr2xmlnode_charData);
2069	XML_Parse(my_parser->parser, xmlstring, strlen(xmlstring), 0);
2070
2071	x = my_parser->current;
2072
2073	XML_ParserFree(my_parser->parser);
2074	g_free(my_parser);
2075
2076	return(x);
2077	}
2078
2079	/*
2080	* Insert a tag node into an xmlnode tree, recursively inserting parent tag
2081	* nodes as necessary
2082	*
2083	* Returns pointer to inserted node
2084	*
2085	* Note to hackers: this code is designed to be re-entrant (it's recursive--it
2086	* calls itself), so don't put any "static"s in here!
2087	*/
2088	static xmlnode insert_tag_to_parent_tag(xmlnode start, const char parent_tag, const char new_tag)
2089	{
2090	xmlnode x = NULL;
2091
2092	/*
2093	* If the parent tag wasn't specified, see if we can get it
2094	* from the vCard template struct.
2095	*/
2096	if(parent_tag == NULL) {
2097	struct vcard_template *vc_tp = vcard_template_data;
2098
2099	while(vc_tp->label != NULL) {
2100	if(strcmp(vc_tp->tag, new_tag) == 0) {
2101	parent_tag = vc_tp->ptag;
2102	break;
2103	}
2104	++vc_tp;
2105	}
2106	}
2107
2108	/*
2109	* If we have a parent tag...
2110	*/
2111	if(parent_tag != NULL ) {
2112	/*
2113	* Try to get the parent node for a tag
2114	*/
2115	if((x = xmlnode_get_tag(start, parent_tag)) == NULL) {
2116	/*
2117	* Descend?
2118	*/
2119	char *grand_parent = strcpy(g_malloc(strlen(parent_tag) + 1), parent_tag);
2120	char *parent;
2121
2122	if((parent = strrchr(grand_parent, '/')) != NULL) {
2123	*(parent++) = '\0';
2124	x = insert_tag_to_parent_tag(start, grand_parent, parent);
2125	} else {
2126	x = xmlnode_insert_tag(start, grand_parent);
2127	}
2128	g_free(grand_parent);
2129	} else {
2130	/*
2131	* We found something to be the parent node.
2132	* Note: may be the "root" node!
2133	*/
2134	xmlnode y;
2135	if((y = xmlnode_get_tag(x, new_tag)) != NULL) {
2136	return(y);
2137	}
2138	}
2139	}
2140
2141	/*
2142	* insert the new tag into its parent node
2143	*/
2144	return(xmlnode_insert_tag((x == NULL? start : x), new_tag));
2145	}
2146
2147	/*
2148	* Send vCard info to Jabber server
2149	*/
2150	static void jabber_set_info(struct gaim_connection gc, char info)
2151	{
2152	xmlnode x, vc_node;
2153	char *id;
2154	struct jabber_data *jd = gc->proto_data;
2155	gjconn gjc = jd->gjc;
2156
2157	x = xmlnode_new_tag("iq");
2158	xmlnode_put_attrib(x,"type","set");
2159
2160	id = gjab_getid(gjc);
2161
2162	xmlnode_put_attrib(x, "id", id);
2163
2164	/*
2165	* Send only if there's actually any information to send
2166	*/
2167	if((vc_node = xmlstr2xmlnode(info)) != NULL && xmlnode_get_name(vc_node) != NULL &&
2168	g_strncasecmp(xmlnode_get_name(vc_node), "vcard", 5) == 0) {
2169	xmlnode_insert_tag_node(x, vc_node);
2170	gjab_send(gjc, x);
2171	}
2172
2173	xmlnode_free(x);
2174	}
2175
2176	/*
2177	* displays a Jabber vCard
2178	*/
2179	static void jabber_handlevcard(gjconn gjc, xmlnode querynode, char *from)
2180	{
2181	struct jabber_data *jd = GJ_GC(gjc)->proto_data;
2182	jid who = jid_new(gjc->p, from);
2183	char status = NULL, text = NULL;
2184	GString *str = g_string_sized_new(100);
2185	xmlnode child;
2186
2187	gchar *buddy = NULL;
2188
2189	if(querynode == NULL) {
2190	serv_got_crap(GJ_GC(gjc), "%s - Received empty info reply from %s", _("User Info"), from);
2191	return;
2192	}
2193
2194	if(who->resource != NULL && (who->resource)[0] != '\0') {
2195	buddy = g_strdup_printf("%s@%s/%s", who->user, who->server, who->resource);
2196	} else {
2197	buddy = g_strdup_printf("%s@%s", who->user, who->server);
2198	}
2199
2200	if((status = g_hash_table_lookup(jd->hash, buddy)) == NULL) {
2201	status = _("Unknown");
2202	}
2203
2204	g_string_sprintfa(str, "%s: %s - %s: %s", _("Jabber ID"), buddy, _("Status"),
2205	status);
2206
2207	for(child = querynode->firstchild; child; child = child->next)
2208	{
2209	xmlnode child2;
2210
2211	if(child->type != NTYPE_TAG)
2212	continue;
2213
2214	text = xmlnode_get_data(child);
2215	if(text && !strcmp(child->name, "FN")) {
2216	info_string_append(str, "\n", _("Full Name"), text);
2217	} else if (!strcmp(child->name, "N")) {
2218	for (child2 = child->firstchild; child2; child2 = child2->next) {
2219	char *text2 = NULL;
2220
2221	if (child2->type != NTYPE_TAG)
2222	continue;
2223
2224	text2 = xmlnode_get_data(child2);
2225	if (text2 && !strcmp(child2->name, "FAMILY")) {
2226	info_string_append(str, "\n", _("Family Name"), text2);
2227	} else if (text2 && !strcmp(child2->name, "GIVEN")) {
2228	info_string_append(str, "\n", _("Given Name"), text2);
2229	} else if (text2 && !strcmp(child2->name, "MIDDLE")) {
2230	info_string_append(str, "\n", _("Middle Name"), text2);
2231	}
2232	}
2233	} else if (text && !strcmp(child->name, "NICKNAME")) {
2234	info_string_append(str, "\n", _("Nickname"), text);
2235	} else if (text && !strcmp(child->name, "BDAY")) {
2236	info_string_append(str, "\n", _("Birthday"), text);
2237	} else if (!strcmp(child->name, "ADR")) {
2238	/* show wich address it is */
2239	/* Just for the beauty of bitlbee
2240	if (child->firstchild)
2241	g_string_sprintfa(str, "%s:\n", _("Address"));
2242	*/
2243	for(child2 = child->firstchild; child2; child2 = child2->next) {
2244	char *text2 = NULL;
2245
2246	if(child2->type != NTYPE_TAG)
2247	continue;
2248
2249	text2 = xmlnode_get_data(child2);
2250	if(text2 && !strcmp(child2->name, "POBOX")) {
2251	info_string_append(str, "\n",
2252	_("P.O. Box"), text2);
2253	} else if(text2 && !strcmp(child2->name, "EXTADR")) {
2254	info_string_append(str, "\n",
2255	_("Extended Address"), text2);
2256	} else if(text2 && !strcmp(child2->name, "STREET")) {
2257	info_string_append(str, "\n",
2258	_("Street Address"), text2);
2259	} else if(text2 && !strcmp(child2->name, "LOCALITY")) {
2260	info_string_append(str, "\n",
2261	_("Locality"), text2);
2262	} else if(text2 && !strcmp(child2->name, "REGION")) {
2263	info_string_append(str, "\n",
2264	_("Region"), text2);
2265	} else if(text2 && !strcmp(child2->name, "PCODE")) {
2266	info_string_append(str, "\n",
2267	_("Postal Code"), text2);
2268	} else if(text2 && (!strcmp(child2->name, "CTRY")
2269	\|\| !strcmp(child2->name, "COUNTRY"))) {
2270	info_string_append(str, "\n", _("Country"), text2);
2271	}
2272	}
2273	} else if(!strcmp(child->name, "TEL")) {
2274	char *number = NULL;
2275	if ((child2 = xmlnode_get_tag(child, "NUMBER"))) {
2276	/* show what kind of number it is */
2277	number = xmlnode_get_data(child2);
2278	if(number) {
2279	info_string_append(str, "\n", _("Telephone"), number);
2280	}
2281	} else if((number = xmlnode_get_data(child))) {
2282	/* lots of clients (including gaim) do this,
2283	* but it's out of spec */
2284	info_string_append(str, "\n", _("Telephone"), number);
2285	}
2286	} else if(!strcmp(child->name, "EMAIL")) {
2287	char *userid = NULL;
2288	if((child2 = xmlnode_get_tag(child, "USERID"))) {
2289	/* show what kind of email it is */
2290	userid = xmlnode_get_data(child2);
2291	if(userid) {
2292	info_string_append(str, "\n", _("Email"), userid);
2293	}
2294	} else if((userid = xmlnode_get_data(child))) {
2295	/* lots of clients (including gaim) do this,
2296	* but it's out of spec */
2297	info_string_append(str, "\n", _("Email"), userid);
2298	}
2299	} else if(!strcmp(child->name, "ORG")) {
2300	for(child2 = child->firstchild; child2; child2 = child2->next) {
2301	char *text2 = NULL;
2302
2303	if(child2->type != NTYPE_TAG)
2304	continue;
2305
2306	text2 = xmlnode_get_data(child2);
2307	if(text2 && !strcmp(child2->name, "ORGNAME")) {
2308	info_string_append(str, "\n", _("Organization Name"), text2);
2309	} else if(text2 && !strcmp(child2->name, "ORGUNIT")) {
2310	info_string_append(str, "\n", _("Organization Unit"), text2);
2311	}
2312	}
2313	} else if(text && !strcmp(child->name, "TITLE")) {
2314	info_string_append(str, "\n", _("Title"), text);
2315	} else if(text && !strcmp(child->name, "ROLE")) {
2316	info_string_append(str, "\n", _("Role"), text);
2317	} else if(text && !strcmp(child->name, "DESC")) {
2318	g_string_sprintfa(str, "\n%s:\n%s\n%s", _("Description"),
2319	text, _("End of Description"));
2320	}
2321	}
2322
2323	serv_got_crap(GJ_GC(gjc), "%s\n%s", _("User Info"), str->str);
2324
2325	g_free(buddy);
2326	g_string_free(str, TRUE);
2327	}
2328
2329	void jabber_init()
2330	{
2331	struct prpl *ret = g_new0(struct prpl, 1);
2332
2333	ret->name = "jabber";
2334	ret->away_states = jabber_away_states;
2335	ret->login = jabber_login;
2336	ret->close = jabber_close;
2337	ret->send_im = jabber_send_im;
2338	ret->set_info = jabber_set_info;
2339	ret->get_info = jabber_get_info;
2340	ret->set_away = jabber_set_away;
2341	ret->get_away = jabber_get_away_msg;
2342	ret->add_buddy = jabber_add_buddy;
2343	ret->remove_buddy = jabber_remove_buddy;
2344	ret->keepalive = jabber_keepalive;
2345	ret->alias_buddy = jabber_roster_update;
2346	ret->group_buddy = jabber_group_change;
2347	ret->cmp_buddynames = g_strcasecmp;
2348
2349	register_protocol (ret);
2350	}

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