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source: protocols/jabber/iq.c @ faeb521

Last change on this file since faeb521 was faeb521, checked in by dequis <dx@…>, at 2015-05-28T05:26:30Z

Simplify display of gmail notifications

Add gmail_notifications_limit hidden setting, set to 5 by default.
Don't show "snippets" in email notifications. Not very useful and they make the whole thing seem too spammy
Show sender name instead of your own email
Default values for empty subject / sender

Property mode set to 100644

File size: 30.7 KB

Rev	Line
[f06894d]	1	/***************************************************************************\
	2	* *
	3	* BitlBee - An IRC to IM gateway *
	4	* Jabber module - IQ packets *
	5	* *
[0e788f5]	6	* Copyright 2006-2012 Wilmer van der Gaast <wilmer@gaast.net> *
[f06894d]	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 "jabber.h"
[77bfd07]	25	#include "sha1.h"
[f06894d]	26
[5ebff60]	27	static xt_status jabber_parse_roster(struct im_connection ic, struct xt_node node, struct xt_node *orig);
	28	static xt_status jabber_iq_display_vcard(struct im_connection ic, struct xt_node node, struct xt_node *orig);
[dd43c62]	29	static xt_status jabber_gmail_handle_new(struct im_connection ic, struct xt_node node);
[abbd8ed]	30
[5ebff60]	31	xt_status jabber_pkt_iq(struct xt_node *node, gpointer data)
[f06894d]	32	{
[0da65d5]	33	struct im_connection *ic = data;
[68286eb]	34	struct jabber_data *jd = ic->proto_data;
[58b5f62]	35	struct xt_node c, reply = NULL;
[861c199]	36	char type, s;
[259edd4]	37	int st, pack = 1;
[5ebff60]	38
	39	type = xt_find_attr(node, "type");
	40
	41	if (!type) {
	42	imcb_error(ic, "Received IQ packet without type.");
	43	imc_logout(ic, TRUE);
[861c199]	44	return XT_ABORT;
	45	}
[5ebff60]	46
	47	if (strcmp(type, "result") == 0 \|\| strcmp(type, "error") == 0) {
	48	return jabber_cache_handle_packet(ic, node);
	49	} else if (strcmp(type, "get") == 0) {
	50	if (!((c = xt_find_node(node->children, "query")) \|\|
	51	(c = xt_find_node(node->children, "ping")) \|\|
	52	(c = xt_find_node(node->children, "time"))) \|\|
	53	!(s = xt_find_attr(c, "xmlns"))) {
[74349eb]	54	/* Sigh. Who decided to suddenly invent new elements
	55	instead of just sticking with <query/>? */
[58b5f62]	56	return XT_HANDLED;
	57	}
[5ebff60]	58
	59	reply = xt_new_node("query", NULL, NULL);
	60	xt_add_attr(reply, "xmlns", s);
	61
[58b5f62]	62	/* Of course this is a very essential query to support. ;-) */
[5ebff60]	63	if (strcmp(s, XMLNS_VERSION) == 0) {
	64	xt_add_child(reply, xt_new_node("name", set_getstr(&ic->acc->set, "user_agent"), NULL));
	65	xt_add_child(reply, xt_new_node("version", BITLBEE_VERSION, NULL));
	66	xt_add_child(reply, xt_new_node("os", ARCH, NULL));
	67	} else if (strcmp(s, XMLNS_TIME_OLD) == 0) {
[a4effbf]	68	time_t time_ep;
	69	char buf[1024];
[5ebff60]	70
	71	buf[sizeof(buf) - 1] = 0;
	72	time_ep = time(NULL);
	73
	74	strftime(buf, sizeof(buf) - 1, "%Y%m%dT%H:%M:%S", gmtime(&time_ep));
	75	xt_add_child(reply, xt_new_node("utc", buf, NULL));
	76
	77	strftime(buf, sizeof(buf) - 1, "%Z", localtime(&time_ep));
	78	xt_add_child(reply, xt_new_node("tz", buf, NULL));
	79	} else if (strcmp(s, XMLNS_TIME) == 0) {
[d76e12f]	80	time_t time_ep;
	81	char buf[1024];
[5ebff60]	82
	83	buf[sizeof(buf) - 1] = 0;
	84	time_ep = time(NULL);
	85
	86	xt_free_node(reply);
	87	reply = xt_new_node("time", NULL, NULL);
	88	xt_add_attr(reply, "xmlns", XMLNS_TIME);
	89
	90	strftime(buf, sizeof(buf) - 1, "%Y%m%dT%H:%M:%SZ", gmtime(&time_ep));
	91	xt_add_child(reply, xt_new_node("utc", buf, NULL));
	92
	93	strftime(buf, sizeof(buf) - 1, "%z", localtime(&time_ep));
	94	if (strlen(buf) >= 5) {
[d76e12f]	95	buf[6] = '\0';
	96	buf[5] = buf[4];
	97	buf[4] = buf[3];
	98	buf[3] = ':';
	99	}
[5ebff60]	100	xt_add_child(reply, xt_new_node("tzo", buf, NULL));
	101	} else if (strcmp(s, XMLNS_PING) == 0) {
	102	xt_free_node(reply);
	103	reply = jabber_make_packet("iq", "result", xt_find_attr(node, "from"), NULL);
	104	if ((s = xt_find_attr(node, "id"))) {
	105	xt_add_attr(reply, "id", s);
	106	}
[eded1f7]	107	pack = 0;
[5ebff60]	108	} else if (strcmp(s, XMLNS_DISCO_INFO) == 0) {
[1ba7e8f]	109	const char *features[] = { XMLNS_DISCO_INFO,
[5ebff60]	110	XMLNS_VERSION,
	111	XMLNS_TIME_OLD,
	112	XMLNS_TIME,
	113	XMLNS_CHATSTATES,
	114	XMLNS_MUC,
	115	XMLNS_PING,
	116	XMLNS_RECEIPTS,
	117	XMLNS_SI,
	118	XMLNS_BYTESTREAMS,
	119	XMLNS_FILETRANSFER,
	120	NULL };
[40ef702]	121	const char **f;
[5ebff60]	122
	123	c = xt_new_node("identity", NULL, NULL);
	124	xt_add_attr(c, "category", "client");
	125	xt_add_attr(c, "type", "pc");
	126	xt_add_attr(c, "name", set_getstr(&ic->acc->set, "user_agent"));
	127	xt_add_child(reply, c);
	128
	129	for (f = features; *f; f++) {
	130	c = xt_new_node("feature", NULL, NULL);
	131	xt_add_attr(c, "var", *f);
	132	xt_add_child(reply, c);
[40ef702]	133	}
[5ebff60]	134	} else {
	135	xt_free_node(reply);
	136	reply = jabber_make_error_packet(node, "feature-not-implemented", "cancel", NULL);
[259edd4]	137	pack = 0;
[58b5f62]	138	}
[5ebff60]	139	} else if (strcmp(type, "set") == 0) {
	140	if ((c = xt_find_node(node->children, "si")) &&
	141	(s = xt_find_attr(c, "xmlns")) &&
	142	(strcmp(s, XMLNS_SI) == 0)) {
	143	return jabber_si_handle_request(ic, node, c);
[dd43c62]	144	} else if ((c = xt_find_node(node->children, "new-mail")) &&
	145	(s = xt_find_attr(c, "xmlns")) &&
	146	(strcmp(s, XMLNS_GMAILNOTIFY) == 0)) {
	147	return jabber_gmail_handle_new(ic, node);
[5ebff60]	148	} else if (!(c = xt_find_node(node->children, "query")) \|\|
	149	!(s = xt_find_attr(c, "xmlns"))) {
[dfa41a4]	150	return XT_HANDLED;
[5ebff60]	151	} else if (strcmp(s, XMLNS_ROSTER) == 0) {
	152	/* This is a roster push. XMPP servers send this when someone
	153	was added to (or removed from) the buddy list. AFAIK they're
	154	sent even if we added this buddy in our own session. */
	155	int bare_len = strlen(jd->me);
	156
	157	if ((s = xt_find_attr(node, "from")) == NULL \|\|
	158	(strncmp(s, jd->me, bare_len) == 0 &&
	159	(s[bare_len] == 0 \|\| s[bare_len] == '/'))) {
	160	jabber_parse_roster(ic, node, NULL);
	161
[abbd8ed]	162	/* Should we generate a reply here? Don't think it's
	163	very important... */
[5ebff60]	164	} else {
	165	imcb_log(ic, "Warning: %s tried to fake a roster push!", s ? s : "(unknown)");
	166
	167	xt_free_node(reply);
	168	reply = jabber_make_error_packet(node, "not-allowed", "cancel", NULL);
[abbd8ed]	169	pack = 0;
	170	}
[5ebff60]	171	} else if (strcmp(s, XMLNS_BYTESTREAMS) == 0) {
[1c3008a]	172	/* Bytestream Request (stage 2 of file transfer) */
[5ebff60]	173	return jabber_bs_recv_request(ic, node, c);
	174	} else {
	175	xt_free_node(reply);
	176	reply = jabber_make_error_packet(node, "feature-not-implemented", "cancel", NULL);
[dfa41a4]	177	pack = 0;
	178	}
[259edd4]	179	}
[5ebff60]	180
[259edd4]	181	/* If we recognized the xmlns and managed to generate a reply,
	182	finish and send it. */
[5ebff60]	183	if (reply) {
[259edd4]	184	/* Normally we still have to pack it into an iq-result
	185	packet, but for errors, for example, we don't. */
[5ebff60]	186	if (pack) {
	187	reply = jabber_make_packet("iq", "result", xt_find_attr(node, "from"), reply);
	188	if ((s = xt_find_attr(node, "id"))) {
	189	xt_add_attr(reply, "id", s);
	190	}
	191	}
	192
	193	st = jabber_write_packet(ic, reply);
	194	xt_free_node(reply);
	195	if (!st) {
[259edd4]	196	return XT_ABORT;
[5ebff60]	197	}
[58b5f62]	198	}
[5ebff60]	199
[861c199]	200	return XT_HANDLED;
	201	}
	202
[5ebff60]	203	static xt_status jabber_do_iq_auth(struct im_connection ic, struct xt_node node, struct xt_node *orig);
	204	static xt_status jabber_finish_iq_auth(struct im_connection ic, struct xt_node node, struct xt_node *orig);
[861c199]	205
[5ebff60]	206	int jabber_init_iq_auth(struct im_connection *ic)
[861c199]	207	{
[0da65d5]	208	struct jabber_data *jd = ic->proto_data;
[861c199]	209	struct xt_node *node;
	210	int st;
[5ebff60]	211
	212	node = xt_new_node("query", NULL, xt_new_node("username", jd->username, NULL));
	213	xt_add_attr(node, "xmlns", XMLNS_AUTH);
	214	node = jabber_make_packet("iq", "get", NULL, node);
	215
	216	jabber_cache_add(ic, node, jabber_do_iq_auth);
	217	st = jabber_write_packet(ic, node);
	218
[861c199]	219	return st;
	220	}
	221
[5ebff60]	222	static xt_status jabber_do_iq_auth(struct im_connection ic, struct xt_node node, struct xt_node *orig)
[861c199]	223	{
[0da65d5]	224	struct jabber_data *jd = ic->proto_data;
[861c199]	225	struct xt_node reply, query;
	226	xt_status st;
	227	char *s;
[5ebff60]	228
	229	if (!(query = xt_find_node(node->children, "query"))) {
	230	imcb_log(ic, "Warning: Received incomplete IQ packet while authenticating");
	231	imc_logout(ic, FALSE);
[9bcbe48]	232	return XT_HANDLED;
	233	}
[5ebff60]	234
[861c199]	235	/* Time to authenticate ourselves! */
[5ebff60]	236	reply = xt_new_node("query", NULL, NULL);
	237	xt_add_attr(reply, "xmlns", XMLNS_AUTH);
	238	xt_add_child(reply, xt_new_node("username", jd->username, NULL));
	239	xt_add_child(reply, xt_new_node("resource", set_getstr(&ic->acc->set, "resource"), NULL));
	240
	241	if (xt_find_node(query->children, "digest") && (s = xt_find_attr(jd->xt->root, "id"))) {
[861c199]	242	/* We can do digest authentication, it seems, and of
	243	course we prefer that. */
[77bfd07]	244	sha1_state_t sha;
[e727608]	245	char hash_hex[41];
[861c199]	246	unsigned char hash[20];
	247	int i;
[5ebff60]	248
	249	sha1_init(&sha);
	250	sha1_append(&sha, (unsigned char *) s, strlen(s));
	251	sha1_append(&sha, (unsigned char *) ic->acc->pass, strlen(ic->acc->pass));
	252	sha1_finish(&sha, hash);
	253
	254	for (i = 0; i < 20; i++) {
	255	sprintf(hash_hex + i * 2, "%02x", hash[i]);
	256	}
	257
	258	xt_add_child(reply, xt_new_node("digest", hash_hex, NULL));
	259	} else if (xt_find_node(query->children, "password")) {
[861c199]	260	/* We'll have to stick with plaintext. Let's hope we're using SSL/TLS... */
[5ebff60]	261	xt_add_child(reply, xt_new_node("password", ic->acc->pass, NULL));
	262	} else {
	263	xt_free_node(reply);
	264
	265	imcb_error(ic, "Can't find suitable authentication method");
	266	imc_logout(ic, FALSE);
[861c199]	267	return XT_ABORT;
[70f6aab8]	268	}
[5ebff60]	269
	270	reply = jabber_make_packet("iq", "set", NULL, reply);
	271	jabber_cache_add(ic, reply, jabber_finish_iq_auth);
	272	st = jabber_write_packet(ic, reply);
	273
[861c199]	274	return st ? XT_HANDLED : XT_ABORT;
	275	}
	276
[5ebff60]	277	static xt_status jabber_finish_iq_auth(struct im_connection ic, struct xt_node node, struct xt_node *orig)
[861c199]	278	{
[0da65d5]	279	struct jabber_data *jd = ic->proto_data;
[9bcbe48]	280	char *type;
[5ebff60]	281
	282	if (!(type = xt_find_attr(node, "type"))) {
	283	imcb_log(ic, "Warning: Received incomplete IQ packet while authenticating");
	284	imc_logout(ic, FALSE);
[9bcbe48]	285	return XT_HANDLED;
	286	}
[5ebff60]	287
	288	if (strcmp(type, "error") == 0) {
	289	imcb_error(ic, "Authentication failure");
	290	imc_logout(ic, FALSE);
[861c199]	291	return XT_ABORT;
[5ebff60]	292	} else if (strcmp(type, "result") == 0) {
[861c199]	293	/* This happens when we just successfully authenticated the
	294	old (non-SASL) way. */
	295	jd->flags \|= JFLAG_AUTHENTICATED;
[5ebff60]	296	if (!jabber_get_roster(ic)) {
[70f6aab8]	297	return XT_ABORT;
[5ebff60]	298	}
	299	if (!jabber_iq_disco_server(ic)) {
[bb2d198]	300	return XT_ABORT;
[5ebff60]	301	}
[70f6aab8]	302	}
[5ebff60]	303
[f06894d]	304	return XT_HANDLED;
	305	}
	306
[5ebff60]	307	xt_status jabber_pkt_bind_sess(struct im_connection ic, struct xt_node node, struct xt_node *orig)
[21167d2]	308	{
[0da65d5]	309	struct jabber_data *jd = ic->proto_data;
[8fb1263]	310	struct xt_node c, reply = NULL;
[861c199]	311	char *s;
[5ebff60]	312
	313	if (node && (c = xt_find_node(node->children, "bind"))) {
	314	c = xt_find_node(c->children, "jid");
	315	if (!c \|\| !c->text) {
[68286eb]	316	/* Server is crap, but this is no disaster. */
[5ebff60]	317	} else if (jabber_compare_jid(jd->me, c->text) == 0) {
	318	s = strchr(c->text, '/');
	319	if (s) {
[68286eb]	320	*s = '\0';
[5ebff60]	321	}
	322	jabber_set_me(ic, c->text);
	323	if (s) {
[68286eb]	324	*s = '/';
[5ebff60]	325	}
	326	} else if (c && c->text_len && (s = strchr(c->text, '/')) &&
	327	strcmp(s + 1, set_getstr(&ic->acc->set, "resource")) != 0) {
	328	imcb_log(ic, "Server changed session resource string to `%s'", s + 1);
[68286eb]	329	}
[861c199]	330	}
[5ebff60]	331
	332	if (jd->flags & JFLAG_WANT_BIND) {
	333	reply = xt_new_node("bind", NULL, xt_new_node("resource", set_getstr(&ic->acc->set, "resource"), NULL));
	334	xt_add_attr(reply, "xmlns", XMLNS_BIND);
[315dd4c]	335	jd->flags &= ~JFLAG_WANT_BIND;
[5ebff60]	336	} else if (jd->flags & JFLAG_WANT_SESSION) {
	337	reply = xt_new_node("session", NULL, NULL);
	338	xt_add_attr(reply, "xmlns", XMLNS_SESSION);
[315dd4c]	339	jd->flags &= ~JFLAG_WANT_SESSION;
[861c199]	340	}
[5ebff60]	341
	342	if (reply != NULL) {
	343	reply = jabber_make_packet("iq", "set", NULL, reply);
	344	jabber_cache_add(ic, reply, jabber_pkt_bind_sess);
	345
	346	if (!jabber_write_packet(ic, reply)) {
[8fb1263]	347	return XT_ABORT;
[5ebff60]	348	}
[dd43c62]	349	if (jd->flags & JFLAG_GMAILNOTIFY && node == NULL) {
	350	jabber_iq_query_server(ic, jd->server, XMLNS_DISCO_INFO);
	351	}
[5ebff60]	352	} else if ((jd->flags & (JFLAG_WANT_BIND \| JFLAG_WANT_SESSION)) == 0) {
	353	if (!jabber_get_roster(ic)) {
[861c199]	354	return XT_ABORT;
[5ebff60]	355	}
	356	if (!jabber_iq_disco_server(ic)) {
[bb2d198]	357	return XT_ABORT;
[5ebff60]	358	}
[861c199]	359	}
[5ebff60]	360
[861c199]	361	return XT_HANDLED;
[21167d2]	362	}
[70f6aab8]	363
[5ebff60]	364	int jabber_get_roster(struct im_connection *ic)
[70f6aab8]	365	{
	366	struct xt_node *node;
	367	int st;
[5ebff60]	368
	369	imcb_log(ic, "Authenticated, requesting buddy list");
	370
	371	node = xt_new_node("query", NULL, NULL);
	372	xt_add_attr(node, "xmlns", XMLNS_ROSTER);
	373	node = jabber_make_packet("iq", "get", NULL, node);
	374
	375	jabber_cache_add(ic, node, jabber_parse_roster);
	376	st = jabber_write_packet(ic, node);
	377
[70f6aab8]	378	return st;
	379	}
[cfbb3a6]	380
[dd43c62]	381	xt_status jabber_iq_query_gmail(struct im_connection *ic);
	382
	383	static xt_status jabber_gmail_handle_new(struct im_connection ic, struct xt_node node)
	384	{
	385	struct xt_node *response;
	386	struct jabber_data *jd = ic->proto_data;
	387
	388	response = jabber_make_packet("iq", "result", g_strdup_printf("%s@%s", jd->username, jd->server), NULL);
	389
	390	jabber_cache_add(ic, response, NULL);
	391	if (!jabber_write_packet(ic, response)) {
	392	return XT_ABORT;
	393	}
	394
	395	jabber_iq_query_gmail(ic);
	396
	397	return XT_HANDLED;
	398	}
	399
[5ebff60]	400	static xt_status jabber_parse_roster(struct im_connection ic, struct xt_node node, struct xt_node *orig)
[861c199]	401	{
[40cfbc5]	402	struct jabber_data *jd = ic->proto_data;
[861c199]	403	struct xt_node query, c;
[5ebff60]	404	int initial = (orig != NULL);
	405
	406	if (!(query = xt_find_node(node->children, "query"))) {
	407	imcb_log(ic, "Warning: Received NULL roster packet");
[9bcbe48]	408	return XT_HANDLED;
	409	}
[5ebff60]	410
[861c199]	411	c = query->children;
[5ebff60]	412	while ((c = xt_find_node(c, "item"))) {
	413	struct xt_node *group = xt_find_node(c->children, "group");
	414	char *jid = xt_find_attr(c, "jid");
	415	char *name = xt_find_attr(c, "name");
	416	char *sub = xt_find_attr(c, "subscription");
[40cfbc5]	417	char *mention_name = xt_find_attr(c, "mention_name");
[5ebff60]	418
	419	if (jid && sub) {
	420	if ((strcmp(sub, "both") == 0 \|\| strcmp(sub, "to") == 0)) {
	421	imcb_add_buddy(ic, jid, (group && group->text_len) ?
	422	group->text : NULL);
	423
	424	if (name) {
	425	imcb_rename_buddy(ic, jid, name);
	426	}
[40cfbc5]	427
	428	/* This could also be used to set the full name as nick for fb/gtalk,
	429	* but i'm keeping the old (ugly?) default behavior just to be safe */
	430	if (mention_name && (jd->flags & JFLAG_HIPCHAT)) {
	431	imcb_buddy_nick_hint(ic, jid, mention_name);
	432	}
[5ebff60]	433	} else if (strcmp(sub, "remove") == 0) {
	434	jabber_buddy_remove_bare(ic, jid);
	435	imcb_remove_buddy(ic, jid, NULL);
[abbd8ed]	436	}
	437	}
[5ebff60]	438
[861c199]	439	c = c->next;
	440	}
[5ebff60]	441
	442	if (initial) {
	443	imcb_connected(ic);
	444	}
	445
[861c199]	446	return XT_HANDLED;
	447	}
	448
[5ebff60]	449	int jabber_get_vcard(struct im_connection ic, char bare_jid)
[1991be6]	450	{
	451	struct xt_node *node;
[5ebff60]	452
	453	if (strchr(bare_jid, '/')) {
	454	return 1; /* This was an error, but return 0 should only be done if the connection died... */
	455
	456	}
	457	node = xt_new_node("vCard", NULL, NULL);
	458	xt_add_attr(node, "xmlns", XMLNS_VCARD);
	459	node = jabber_make_packet("iq", "get", bare_jid, node);
	460
	461	jabber_cache_add(ic, node, jabber_iq_display_vcard);
	462	return jabber_write_packet(ic, node);
[1991be6]	463	}
	464
[5ebff60]	465	static xt_status jabber_iq_display_vcard(struct im_connection ic, struct xt_node node, struct xt_node *orig)
[1991be6]	466	{
[0da65d5]	467	struct xt_node vc, c, sc; / subchild, ic is already in use ;-) */
[1991be6]	468	GString *reply;
	469	char *s;
[5ebff60]	470
	471	if ((s = xt_find_attr(node, "type")) == NULL \|\|
	472	strcmp(s, "result") != 0 \|\|
	473	(vc = xt_find_node(node->children, "vCard")) == NULL) {
	474	s = xt_find_attr(orig, "to"); /* If this returns NULL something's wrong.. */
	475	imcb_log(ic, "Could not retrieve vCard of %s", s ? s : "(NULL)");
[1991be6]	476	return XT_HANDLED;
	477	}
[5ebff60]	478
	479	s = xt_find_attr(orig, "to");
	480	reply = g_string_new("vCard information for ");
	481	reply = g_string_append(reply, s ? s : "(NULL)");
	482	reply = g_string_append(reply, ":\n");
	483
[1991be6]	484	/* I hate this format, I really do... */
[5ebff60]	485
	486	if ((c = xt_find_node(vc->children, "FN")) && c->text_len) {
	487	g_string_append_printf(reply, "Name: %s\n", c->text);
	488	}
	489
	490	if ((c = xt_find_node(vc->children, "N")) && c->children) {
	491	reply = g_string_append(reply, "Full name:");
	492
	493	if ((sc = xt_find_node(c->children, "PREFIX")) && sc->text_len) {
	494	g_string_append_printf(reply, " %s", sc->text);
	495	}
	496	if ((sc = xt_find_node(c->children, "GIVEN")) && sc->text_len) {
	497	g_string_append_printf(reply, " %s", sc->text);
	498	}
	499	if ((sc = xt_find_node(c->children, "MIDDLE")) && sc->text_len) {
	500	g_string_append_printf(reply, " %s", sc->text);
	501	}
	502	if ((sc = xt_find_node(c->children, "FAMILY")) && sc->text_len) {
	503	g_string_append_printf(reply, " %s", sc->text);
	504	}
	505	if ((sc = xt_find_node(c->children, "SUFFIX")) && sc->text_len) {
	506	g_string_append_printf(reply, " %s", sc->text);
	507	}
	508
	509	reply = g_string_append_c(reply, '\n');
	510	}
	511
	512	if ((c = xt_find_node(vc->children, "NICKNAME")) && c->text_len) {
	513	g_string_append_printf(reply, "Nickname: %s\n", c->text);
	514	}
	515
	516	if ((c = xt_find_node(vc->children, "BDAY")) && c->text_len) {
	517	g_string_append_printf(reply, "Date of birth: %s\n", c->text);
	518	}
	519
[1991be6]	520	/* Slightly alternative use of for... ;-) */
[5ebff60]	521	for (c = vc->children; (c = xt_find_node(c, "EMAIL")); c = c->next) {
	522	if ((sc = xt_find_node(c->children, "USERID")) == NULL \|\| sc->text_len == 0) {
[1991be6]	523	continue;
[5ebff60]	524	}
	525
	526	if (xt_find_node(c->children, "HOME")) {
[1991be6]	527	s = "Home";
[5ebff60]	528	} else if (xt_find_node(c->children, "WORK")) {
[1991be6]	529	s = "Work";
[5ebff60]	530	} else {
[1991be6]	531	s = "Misc.";
[5ebff60]	532	}
	533
	534	g_string_append_printf(reply, "%s e-mail address: %s\n", s, sc->text);
[1991be6]	535	}
[5ebff60]	536
	537	if ((c = xt_find_node(vc->children, "URL")) && c->text_len) {
	538	g_string_append_printf(reply, "Homepage: %s\n", c->text);
	539	}
	540
[1991be6]	541	/* Slightly alternative use of for... ;-) */
[5ebff60]	542	for (c = vc->children; (c = xt_find_node(c, "ADR")); c = c->next) {
	543	if (xt_find_node(c->children, "HOME")) {
[1991be6]	544	s = "Home";
[5ebff60]	545	} else if (xt_find_node(c->children, "WORK")) {
[1991be6]	546	s = "Work";
[5ebff60]	547	} else {
[1991be6]	548	s = "Misc.";
[5ebff60]	549	}
	550
	551	g_string_append_printf(reply, "%s address: ", s);
	552
	553	if ((sc = xt_find_node(c->children, "STREET")) && sc->text_len) {
	554	g_string_append_printf(reply, "%s ", sc->text);
	555	}
	556	if ((sc = xt_find_node(c->children, "EXTADR")) && sc->text_len) {
	557	g_string_append_printf(reply, "%s, ", sc->text);
	558	}
	559	if ((sc = xt_find_node(c->children, "PCODE")) && sc->text_len) {
	560	g_string_append_printf(reply, "%s, ", sc->text);
	561	}
	562	if ((sc = xt_find_node(c->children, "LOCALITY")) && sc->text_len) {
	563	g_string_append_printf(reply, "%s, ", sc->text);
	564	}
	565	if ((sc = xt_find_node(c->children, "REGION")) && sc->text_len) {
	566	g_string_append_printf(reply, "%s, ", sc->text);
	567	}
	568	if ((sc = xt_find_node(c->children, "CTRY")) && sc->text_len) {
	569	g_string_append_printf(reply, "%s", sc->text);
	570	}
	571
	572	if (reply->str[reply->len - 2] == ',') {
	573	reply = g_string_truncate(reply, reply->len - 2);
	574	}
	575
	576	reply = g_string_append_c(reply, '\n');
	577	}
	578
	579	for (c = vc->children; (c = xt_find_node(c, "TEL")); c = c->next) {
	580	if ((sc = xt_find_node(c->children, "NUMBER")) == NULL \|\| sc->text_len == 0) {
[1991be6]	581	continue;
[5ebff60]	582	}
	583
	584	if (xt_find_node(c->children, "HOME")) {
[1991be6]	585	s = "Home";
[5ebff60]	586	} else if (xt_find_node(c->children, "WORK")) {
[1991be6]	587	s = "Work";
[5ebff60]	588	} else {
[1991be6]	589	s = "Misc.";
[5ebff60]	590	}
	591
	592	g_string_append_printf(reply, "%s phone number: %s\n", s, sc->text);
	593	}
	594
	595	if ((c = xt_find_node(vc->children, "DESC")) && c->text_len) {
	596	g_string_append_printf(reply, "Other information:\n%s", c->text);
[1991be6]	597	}
[5ebff60]	598
[1991be6]	599	/* sigh */
[5ebff60]	600
	601	imcb_log(ic, "%s", reply->str);
	602	g_string_free(reply, TRUE);
	603
[1991be6]	604	return XT_HANDLED;
	605	}
	606
[5ebff60]	607	static xt_status jabber_add_to_roster_callback(struct im_connection ic, struct xt_node node, struct xt_node *orig);
[a73e91a]	608
[5ebff60]	609	int jabber_add_to_roster(struct im_connection ic, const char handle, const char name, const char group)
[cfbb3a6]	610	{
	611	struct xt_node *node;
	612	int st;
[5ebff60]	613
[cfbb3a6]	614	/* Build the item entry */
[5ebff60]	615	node = xt_new_node("item", NULL, NULL);
	616	xt_add_attr(node, "jid", handle);
	617	if (name) {
	618	xt_add_attr(node, "name", name);
	619	}
	620	if (group) {
	621	xt_add_child(node, xt_new_node("group", group, NULL));
	622	}
	623
[cfbb3a6]	624	/* And pack it into a roster-add packet */
[5ebff60]	625	node = xt_new_node("query", NULL, node);
	626	xt_add_attr(node, "xmlns", XMLNS_ROSTER);
	627	node = jabber_make_packet("iq", "set", NULL, node);
	628	jabber_cache_add(ic, node, jabber_add_to_roster_callback);
	629
	630	st = jabber_write_packet(ic, node);
	631
[cfbb3a6]	632	return st;
	633	}
	634
[5ebff60]	635	static xt_status jabber_add_to_roster_callback(struct im_connection ic, struct xt_node node, struct xt_node *orig)
[a73e91a]	636	{
	637	char s, jid = NULL;
	638	struct xt_node *c;
[5ebff60]	639
	640	if ((c = xt_find_node(orig->children, "query")) &&
	641	(c = xt_find_node(c->children, "item")) &&
	642	(jid = xt_find_attr(c, "jid")) &&
	643	(s = xt_find_attr(node, "type")) &&
	644	strcmp(s, "result") == 0) {
	645	if (bee_user_by_handle(ic->bee, ic, jid) == NULL) {
	646	imcb_add_buddy(ic, jid, NULL);
	647	}
	648	} else {
	649	imcb_log(ic, "Error while adding `%s' to your contact list.",
	650	jid ? jid : "(unknown handle)");
	651	}
	652
[a73e91a]	653	return XT_HANDLED;
	654	}
	655
[5ebff60]	656	int jabber_remove_from_roster(struct im_connection ic, char handle)
[cfbb3a6]	657	{
	658	struct xt_node *node;
	659	int st;
[5ebff60]	660
[cfbb3a6]	661	/* Build the item entry */
[5ebff60]	662	node = xt_new_node("item", NULL, NULL);
	663	xt_add_attr(node, "jid", handle);
	664	xt_add_attr(node, "subscription", "remove");
	665
[cfbb3a6]	666	/* And pack it into a roster-add packet */
[5ebff60]	667	node = xt_new_node("query", NULL, node);
	668	xt_add_attr(node, "xmlns", XMLNS_ROSTER);
	669	node = jabber_make_packet("iq", "set", NULL, node);
	670
	671	st = jabber_write_packet(ic, node);
	672
	673	xt_free_node(node);
[cfbb3a6]	674	return st;
	675	}
[dc0ba9c]	676
[5ebff60]	677	xt_status jabber_iq_parse_features(struct im_connection ic, struct xt_node node, struct xt_node *orig);
[dc0ba9c]	678
[5ebff60]	679	xt_status jabber_iq_query_features(struct im_connection ic, char bare_jid)
[dc0ba9c]	680	{
	681	struct xt_node node, query;
	682	struct jabber_buddy *bud;
[5ebff60]	683
	684	if ((bud = jabber_buddy_by_jid(ic, bare_jid, 0)) == NULL) {
[dc0ba9c]	685	/* Who cares about the unknown... */
[5ebff60]	686	imcb_log(ic, "Couldn't find buddy: %s", bare_jid);
[54a2014]	687	return XT_HANDLED;
[dc0ba9c]	688	}
[5ebff60]	689
	690	if (bud->features) { /* been here already */
[dc0ba9c]	691	return XT_HANDLED;
[5ebff60]	692	}
	693
	694	node = xt_new_node("query", NULL, NULL);
	695	xt_add_attr(node, "xmlns", XMLNS_DISCO_INFO);
	696
	697	if (!(query = jabber_make_packet("iq", "get", bare_jid, node))) {
	698	imcb_log(ic, "WARNING: Couldn't generate feature query");
	699	xt_free_node(node);
[54a2014]	700	return XT_HANDLED;
[dc0ba9c]	701	}
	702
[5ebff60]	703	jabber_cache_add(ic, query, jabber_iq_parse_features);
[dc0ba9c]	704
[5ebff60]	705	return jabber_write_packet(ic, query) ? XT_HANDLED : XT_ABORT;
[dc0ba9c]	706	}
	707
[5ebff60]	708	xt_status jabber_iq_parse_features(struct im_connection ic, struct xt_node node, struct xt_node *orig)
[dc0ba9c]	709	{
	710	struct xt_node *c;
	711	struct jabber_buddy *bud;
[c1a3c27]	712	char feature, xmlns, *from;
[dc0ba9c]	713
[5ebff60]	714	if (!(from = xt_find_attr(node, "from")) \|\|
	715	!(c = xt_find_node(node->children, "query")) \|\|
	716	!(xmlns = xt_find_attr(c, "xmlns")) \|\|
	717	!(strcmp(xmlns, XMLNS_DISCO_INFO) == 0)) {
	718	imcb_log(ic, "WARNING: Received incomplete IQ-result packet for discover");
[dc0ba9c]	719	return XT_HANDLED;
	720	}
[5ebff60]	721	if ((bud = jabber_buddy_by_jid(ic, from, 0)) == NULL) {
[dc0ba9c]	722	/* Who cares about the unknown... */
[5ebff60]	723	imcb_log(ic, "Couldn't find buddy: %s", from);
[54a2014]	724	return XT_HANDLED;
[dc0ba9c]	725	}
[5ebff60]	726
[dc0ba9c]	727	c = c->children;
[5ebff60]	728	while ((c = xt_find_node(c, "feature"))) {
	729	feature = xt_find_attr(c, "var");
	730	if (feature) {
	731	bud->features = g_slist_append(bud->features, g_strdup(feature));
	732	}
[dc0ba9c]	733	c = c->next;
	734	}
	735
	736	return XT_HANDLED;
	737	}
	738
[dd43c62]	739	xt_status jabber_iq_parse_gmail(struct im_connection ic, struct xt_node node, struct xt_node *orig);
	740
	741	xt_status jabber_iq_query_gmail(struct im_connection *ic)
	742	{
	743	struct xt_node node, query;
	744	struct jabber_data *jd = ic->proto_data;
	745
	746	node = xt_new_node("query", NULL, NULL);
	747	xt_add_attr(node, "xmlns", XMLNS_GMAILNOTIFY);
	748	if (jd->gmail_time) {
	749	char *formatted = g_strdup_printf("%" G_GUINT64_FORMAT, (jd->gmail_time + 1));
	750	xt_add_attr(node, "newer-than-time", formatted);
	751	g_free(formatted);
	752	}
	753	if (jd->gmail_tid) {
	754	xt_add_attr(node, "newer-than-tid", jd->gmail_tid);
	755	}
	756
	757	if (!(query = jabber_make_packet("iq", "get", jd->me, node))) {
	758	imcb_log(ic, "WARNING: Couldn't generate server query");
	759	xt_free_node(node);
	760	}
	761
	762	jabber_cache_add(ic, query, jabber_iq_parse_gmail);
	763
	764	return jabber_write_packet(ic, query) ? XT_HANDLED : XT_ABORT;
	765	}
	766
[5ebff60]	767	xt_status jabber_iq_parse_server_features(struct im_connection ic, struct xt_node node, struct xt_node *orig);
[dc0ba9c]	768
[5ebff60]	769	xt_status jabber_iq_query_server(struct im_connection ic, char jid, char *xmlns)
[dc0ba9c]	770	{
	771	struct xt_node node, query;
	772	struct jabber_data *jd = ic->proto_data;
[5ebff60]	773
	774	node = xt_new_node("query", NULL, NULL);
	775	xt_add_attr(node, "xmlns", xmlns);
	776
	777	if (!(query = jabber_make_packet("iq", "get", jid, node))) {
	778	imcb_log(ic, "WARNING: Couldn't generate server query");
	779	xt_free_node(node);
[dc0ba9c]	780	}
	781
	782	jd->have_streamhosts--;
[5ebff60]	783	jabber_cache_add(ic, query, jabber_iq_parse_server_features);
[dc0ba9c]	784
[5ebff60]	785	return jabber_write_packet(ic, query) ? XT_HANDLED : XT_ABORT;
[dc0ba9c]	786	}
	787
[dd43c62]	788	xt_status jabber_iq_parse_gmail(struct im_connection ic, struct xt_node node, struct xt_node *orig)
	789	{
	790	struct xt_node *c;
	791	struct jabber_data *jd = ic->proto_data;
	792	char xmlns, from;
	793	guint64 l_time = 0;
	794	char *tid = NULL;
[faeb521]	795	int max = 0;
[dd43c62]	796
	797	if (!(c = xt_find_node(node->children, "mailbox")) \|\|
	798	!(from = xt_find_attr(node, "from")) \|\|
	799	!(xmlns = xt_find_attr(c, "xmlns")) \|\|
	800	(g_strcmp0(xmlns, XMLNS_GMAILNOTIFY) != 0)) {
	801	imcb_log(ic, "WARNING: Received incomplete mailbox packet for gmail notify");
	802	return XT_HANDLED;
	803	}
	804
[faeb521]	805	max = set_getint(&ic->acc->set, "gmail_notifications_limit");
[dd43c62]	806	c = c->children;
	807
[faeb521]	808	while ((max-- > 0) && (c = xt_find_node(c, "mail-thread-info"))) {
	809	struct xt_node *s;
	810	char *subject = "<no subject>";
	811	char *sender = "<no sender>";
[dd43c62]	812	char *msg = NULL;
	813	guint64 t_time;
	814
	815	t_time = g_ascii_strtoull(xt_find_attr(c, "date"), NULL, 10);
	816	if (t_time && t_time > l_time) {
	817	l_time = t_time;
	818	tid = xt_find_attr(c, "tid");
	819	}
	820
[faeb521]	821	if ((s = xt_find_node(c->children, "senders")) &&
	822	(s = xt_find_node_by_attr(s->children, "sender", "unread", "1"))) {
	823	sender = xt_find_attr(s, "name");
	824	}
[dd43c62]	825
[faeb521]	826	if ((s = xt_find_node(c->children, "subject")) && s->text) {
[dd43c62]	827	subject = s->text;
	828	}
	829
[faeb521]	830	msg = g_strdup_printf("New mail from %s: %s", sender, subject);
[dd43c62]	831
	832	imcb_notify_email(ic, set_getstr(&ic->acc->set, "notify_handle"), msg, 0, 0);
	833
	834	c = c->next;
	835	g_free(msg);
	836	}
	837
	838	if (l_time && (!jd->gmail_time \|\| l_time > jd->gmail_time)) {
	839	jd->gmail_time = l_time;
	840	if (tid) {
	841	g_free(jd->gmail_tid);
	842	jd->gmail_tid = g_strdup(tid);
	843	}
	844	}
	845
	846	return XT_HANDLED;
	847	}
	848
[dc0ba9c]	849	/*
	850	* Query the server for "items", query each "item" for identities, query each "item" that's a proxy for it's bytestream info
	851	*/
[5ebff60]	852	xt_status jabber_iq_parse_server_features(struct im_connection ic, struct xt_node node, struct xt_node *orig)
[dc0ba9c]	853	{
	854	struct xt_node *c;
	855	struct jabber_data *jd = ic->proto_data;
[c1a3c27]	856	char xmlns, from;
[dc0ba9c]	857
[5ebff60]	858	if (!(c = xt_find_node(node->children, "query")) \|\|
	859	!(from = xt_find_attr(node, "from")) \|\|
	860	!(xmlns = xt_find_attr(c, "xmlns"))) {
	861	imcb_log(ic, "WARNING: Received incomplete IQ-result packet for discover");
[dc0ba9c]	862	return XT_HANDLED;
	863	}
	864
	865	jd->have_streamhosts++;
	866
[5ebff60]	867	if (strcmp(xmlns, XMLNS_DISCO_ITEMS) == 0) {
[c1a3c27]	868	char *itemjid;
[dc0ba9c]	869
	870	/* answer from server */
[5ebff60]	871
[dc0ba9c]	872	c = c->children;
[5ebff60]	873	while ((c = xt_find_node(c, "item"))) {
	874	itemjid = xt_find_attr(c, "jid");
	875
	876	if (itemjid) {
	877	jabber_iq_query_server(ic, itemjid, XMLNS_DISCO_INFO);
	878	}
[dc0ba9c]	879
	880	c = c->next;
	881	}
[5ebff60]	882	} else if (strcmp(xmlns, XMLNS_DISCO_INFO) == 0) {
[dc0ba9c]	883	char category, type;
	884
	885	/* answer from potential proxy */
	886
	887	c = c->children;
[5ebff60]	888	while ((c = xt_find_node(c, "identity"))) {
	889	category = xt_find_attr(c, "category");
	890	type = xt_find_attr(c, "type");
[dc0ba9c]	891
[5ebff60]	892	if (type && (strcmp(type, "bytestreams") == 0) &&
	893	category && (strcmp(category, "proxy") == 0)) {
	894	jabber_iq_query_server(ic, from, XMLNS_BYTESTREAMS);
	895	}
[dc0ba9c]	896
	897	c = c->next;
	898	}
[dd43c62]	899
	900	if (jd->flags & JFLAG_GMAILNOTIFY) {
	901	/* search for gmail notification feature */
	902	c = xt_find_node(node->children, "query");
	903	c = c->children;
	904	while ((c = xt_find_node(c, "feature"))) {
	905	if (strcmp(xt_find_attr(c, "var"), XMLNS_GMAILNOTIFY) == 0) {
	906	jabber_iq_query_gmail(ic);
	907	}
	908	c = c->next;
	909	}
	910	}
	911
[5ebff60]	912	} else if (strcmp(xmlns, XMLNS_BYTESTREAMS) == 0) {
[c1a3c27]	913	char host, jid, *port_s;
[dc0ba9c]	914	int port;
	915
	916	/* answer from proxy */
	917
[5ebff60]	918	if ((c = xt_find_node(c->children, "streamhost")) &&
	919	(host = xt_find_attr(c, "host")) &&
	920	(port_s = xt_find_attr(c, "port")) &&
	921	(sscanf(port_s, "%d", &port) == 1) &&
	922	(jid = xt_find_attr(c, "jid"))) {
	923	jabber_streamhost_t *sh = g_new0(jabber_streamhost_t, 1);
[dc0ba9c]	924
[5ebff60]	925	sh->jid = g_strdup(jid);
	926	sh->host = g_strdup(host);
	927	g_snprintf(sh->port, sizeof(sh->port), "%u", port);
	928
	929	imcb_log(ic, "Proxy found: jid %s host %s port %u", jid, host, port);
	930	jd->streamhosts = g_slist_append(jd->streamhosts, sh);
[dc0ba9c]	931	}
	932	}
	933
[5ebff60]	934	if (jd->have_streamhosts == 0) {
[dc0ba9c]	935	jd->have_streamhosts++;
[5ebff60]	936	}
[1c3008a]	937
[dc0ba9c]	938	return XT_HANDLED;
	939	}
[d88c92a]	940
[5ebff60]	941	static xt_status jabber_iq_version_response(struct im_connection *ic,
	942	struct xt_node node, struct xt_node orig);
[d88c92a]	943
[5ebff60]	944	void jabber_iq_version_send(struct im_connection ic, struct jabber_buddy bud, void *data)
[d88c92a]	945	{
	946	struct xt_node node, query;
	947
[5ebff60]	948	node = xt_new_node("query", NULL, NULL);
	949	xt_add_attr(node, "xmlns", XMLNS_VERSION);
	950	query = jabber_make_packet("iq", "get", bud->full_jid, node);
	951	jabber_cache_add(ic, query, jabber_iq_version_response);
	952
	953	jabber_write_packet(ic, query);
[d88c92a]	954	}
	955
[5ebff60]	956	static xt_status jabber_iq_version_response(struct im_connection *ic,
	957	struct xt_node node, struct xt_node orig)
[d88c92a]	958	{
	959	struct xt_node *query;
	960	GString *rets;
	961	char *s;
	962	char *ret[2] = {};
	963	bee_user_t *bu;
	964	struct jabber_buddy *bud = NULL;
[5ebff60]	965
	966	if ((s = xt_find_attr(node, "from")) &&
	967	(bud = jabber_buddy_by_jid(ic, s, 0)) &&
	968	(query = xt_find_node(node->children, "query")) &&
	969	(bu = bee_user_by_handle(ic->bee, ic, bud->bare_jid))) {
	970	rets = g_string_new("Resource ");
	971	g_string_append(rets, bud->resource);
	972	} else {
[d88c92a]	973	return XT_HANDLED;
[5ebff60]	974	}
	975
	976	for (query = query->children; query; query = query->next) {
	977	if (query->text_len > 0) {
	978	g_string_append_printf(rets, " %s: %s,", query->name, query->text);
	979	}
	980	}
	981
	982	g_string_truncate(rets, rets->len - 1);
[d88c92a]	983	ret[0] = rets->str;
[5ebff60]	984	imcb_buddy_action_response(bu, "VERSION", ret, NULL);
	985	g_string_free(rets, TRUE);
	986
[d88c92a]	987	return XT_HANDLED;
	988	}
[bb2d198]	989
[5ebff60]	990	static xt_status jabber_iq_disco_server_response(struct im_connection *ic,
	991	struct xt_node node, struct xt_node orig);
[bb2d198]	992
[40cfbc5]	993	int jabber_iq_disco_server(struct im_connection *ic)
[bb2d198]	994	{
	995	struct xt_node node, iq;
	996	struct jabber_data *jd = ic->proto_data;
[5ebff60]	997
	998	node = xt_new_node("query", NULL, NULL);
	999	xt_add_attr(node, "xmlns", XMLNS_DISCO_INFO);
	1000	iq = jabber_make_packet("iq", "get", jd->server, node);
	1001
	1002	jabber_cache_add(ic, iq, jabber_iq_disco_server_response);
	1003	return jabber_write_packet(ic, iq);
[bb2d198]	1004	}
	1005
[5ebff60]	1006	static xt_status jabber_iq_disco_server_response(struct im_connection *ic,
	1007	struct xt_node node, struct xt_node orig)
[bb2d198]	1008	{
	1009	struct jabber_data *jd = ic->proto_data;
	1010	struct xt_node *id;
[5ebff60]	1011
	1012	if ((id = xt_find_path(node, "query/identity"))) {
[bb2d198]	1013	char cat, type, *name;
[5ebff60]	1014
	1015	if (!(cat = xt_find_attr(id, "category")) \|\|
	1016	!(type = xt_find_attr(id, "type")) \|\|
	1017	!(name = xt_find_attr(id, "name"))) {
[bb2d198]	1018	return XT_HANDLED;
[5ebff60]	1019	}
	1020
	1021	if (strcmp(cat, "server") == 0 && strcmp(type, "im") == 0 &&
	1022	strstr(name, "Google") != NULL) {
[bb2d198]	1023	jd->flags \|= JFLAG_GTALK;
[5ebff60]	1024	}
[bb2d198]	1025	}
[5ebff60]	1026
[bb2d198]	1027	return XT_HANDLED;
	1028	}

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