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source: protocols/msn/ns.c @ 002fede

Last change on this file since 002fede was 002fede, checked in by dequis <dx@…>, at 2015-04-11T18:20:31Z
msn: handle NOT command payload length
Property mode set to `100644`
File size: 19.5 KB

Line
1	/********************************************************************\
2	* BitlBee -- An IRC to other IM-networks gateway *
3	* *
4	* Copyright 2002-2012 Wilmer van der Gaast and others *
5	\********************************************************************/
6
7	/* MSN module - Notification server callbacks */
8
9	/*
10	This program is free software; you can redistribute it and/or modify
11	it under the terms of the GNU General Public License as published by
12	the Free Software Foundation; either version 2 of the License, or
13	(at your option) any later version.
14
15	This program is distributed in the hope that it will be useful,
16	but WITHOUT ANY WARRANTY; without even the implied warranty of
17	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18	GNU General Public License for more details.
19
20	You should have received a copy of the GNU General Public License with
21	the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
22	if not, write to the Free Software Foundation, Inc., 51 Franklin St.,
23	Fifth Floor, Boston, MA 02110-1301 USA
24	*/
25
26	#include <ctype.h>
27	#include <sys/utsname.h>
28	#include "nogaim.h"
29	#include "msn.h"
30	#include "md5.h"
31	#include "sha1.h"
32	#include "soap.h"
33	#include "xmltree.h"
34
35	static gboolean msn_ns_connected(gpointer data, gint source, b_input_condition cond);
36	static gboolean msn_ns_callback(gpointer data, gint source, b_input_condition cond);
37
38	static void msn_ns_send_adl_start(struct im_connection *ic);
39	static void msn_ns_send_adl(struct im_connection *ic);
40	static void msn_ns_structured_message(struct msn_data handler, char msg, int msglen, char **cmd);
41	static void msn_ns_sdg(struct msn_data handler, char who, char *parts, char action);
42	static void msn_ns_nfy(struct msn_data handler, char who, char *parts, char action, gboolean is_put);
43
44	int msn_ns_write(struct im_connection ic, int fd, const char fmt, ...)
45	{
46	struct msn_data *md = ic->proto_data;
47	va_list params;
48	char *out;
49	size_t len;
50	int st;
51
52	va_start(params, fmt);
53	out = g_strdup_vprintf(fmt, params);
54	va_end(params);
55
56	if (fd < 0) {
57	fd = md->fd;
58	}
59
60	if (getenv("BITLBEE_DEBUG")) {
61	fprintf(stderr, "\x1b[91m>>>[NS%d] %s\n\x1b[97m", fd, out);
62	}
63
64	len = strlen(out);
65
66	if (md->is_http) {
67	st = len;
68	msn_gw_write(md->gw, out, len);
69	} else {
70	st = write(fd, out, len);
71	}
72
73	g_free(out);
74	if (st != len) {
75	imcb_error(ic, "Short write() to main server");
76	imc_logout(ic, TRUE);
77	return 0;
78	}
79
80	return 1;
81	}
82
83	gboolean msn_ns_connect(struct im_connection ic, const char host, int port)
84	{
85	struct msn_data *handler = ic->proto_data;
86
87	if (handler->fd >= 0) {
88	closesocket(handler->fd);
89	}
90
91	if (handler->is_http) {
92	handler->gw = msn_gw_new(handler);
93	handler->gw->callback = msn_ns_callback;
94	msn_ns_connected(handler, -1, B_EV_IO_READ);
95	} else {
96	handler->fd = proxy_connect(host, port, msn_ns_connected, handler);
97	if (handler->fd < 0) {
98	imcb_error(ic, "Could not connect to server");
99	imc_logout(ic, TRUE);
100	return FALSE;
101	}
102	}
103
104	return TRUE;
105	}
106
107	static gboolean msn_ns_connected(gpointer data, gint source, b_input_condition cond)
108	{
109	struct msn_data *md = data;
110	struct msn_data *handler = md;
111	struct im_connection *ic = md->ic;
112
113	if (source == -1 && !md->is_http) {
114	imcb_error(ic, "Could not connect to server");
115	imc_logout(ic, TRUE);
116	return FALSE;
117	}
118
119	g_free(handler->rxq);
120	handler->rxlen = 0;
121	handler->rxq = g_new0(char, 1);
122
123	if (md->uuid == NULL) {
124	struct utsname name;
125	sha1_state_t sha[1];
126
127	/* UUID == SHA1("BitlBee" + my hostname + MSN username) */
128	sha1_init(sha);
129	sha1_append(sha, (void *) "BitlBee", 7);
130	if (uname(&name) == 0) {
131	sha1_append(sha, (void *) name.nodename, strlen(name.nodename));
132	}
133	sha1_append(sha, (void *) ic->acc->user, strlen(ic->acc->user));
134	md->uuid = sha1_random_uuid(sha);
135	memcpy(md->uuid, "b171be3e", 8); /* :-P */
136	}
137
138	if (msn_ns_write(ic, source, "VER %d %s CVR0\r\n", ++md->trId, MSNP_VER)) {
139	if (!handler->is_http) {
140	handler->inpa = b_input_add(handler->fd, B_EV_IO_READ, msn_ns_callback, handler);
141	}
142	imcb_log(ic, "Connected to server, waiting for reply");
143	}
144
145	return FALSE;
146	}
147
148	void msn_ns_close(struct msn_data *handler)
149	{
150	if (handler->gw) {
151	if (handler->gw->waiting) {
152	/* mark it as closed, let the request callback clean it */
153	handler->gw->open = FALSE;
154	} else {
155	msn_gw_free(handler->gw);
156	}
157	}
158	if (handler->fd >= 0) {
159	closesocket(handler->fd);
160	b_event_remove(handler->inpa);
161	}
162
163	handler->fd = handler->inpa = -1;
164	g_free(handler->rxq);
165	g_free(handler->cmd_text);
166
167	handler->rxlen = 0;
168	handler->rxq = NULL;
169	handler->cmd_text = NULL;
170	}
171
172	static gboolean msn_ns_callback(gpointer data, gint source, b_input_condition cond)
173	{
174	struct msn_data *handler = data;
175	struct im_connection *ic = handler->ic;
176	char *bytes;
177	int st;
178
179	if (handler->is_http) {
180	st = msn_gw_read(handler->gw, &bytes);
181	} else {
182	bytes = g_malloc(1024);
183	st = read(handler->fd, bytes, 1024);
184	}
185
186	if (st <= 0) {
187	imcb_error(ic, "Error while reading from server");
188	imc_logout(ic, TRUE);
189	return FALSE;
190	}
191
192	msn_queue_feed(handler, bytes, st);
193
194	g_free(bytes);
195
196	/* Ignore ret == 0, it's already disconnected then. */
197	msn_handler(handler);
198
199	return TRUE;
200
201	}
202
203	int msn_ns_command(struct msn_data handler, char *cmd, int num_parts)
204	{
205	struct im_connection *ic = handler->ic;
206	struct msn_data *md = handler;
207
208	if (num_parts == 0) {
209	/* Hrrm... Empty command...? Ignore? */
210	return(1);
211	}
212
213	if (strcmp(cmd[0], "VER") == 0) {
214	if (cmd[2] && strncmp(cmd[2], MSNP_VER, 5) != 0) {
215	imcb_error(ic, "Unsupported protocol");
216	imc_logout(ic, FALSE);
217	return(0);
218	}
219
220	return(msn_ns_write(ic, handler->fd, "CVR %d 0x0409 mac 10.2.0 ppc macmsgs 3.5.1 macmsgs %s VmVyc2lvbjogMQ0KWGZyQ291bnQ6IDINClhmclNlbnRVVENUaW1lOiA2MzU2MTQ3OTU5NzgzOTAwMDANCklzR2VvWGZyOiB0cnVlDQo=\r\n",
221	++md->trId, ic->acc->user));
222	} else if (strcmp(cmd[0], "CVR") == 0) {
223	/* We don't give a damn about the information we just received */
224	return msn_ns_write(ic, handler->fd, "USR %d SSO I %s\r\n", ++md->trId, ic->acc->user);
225	} else if (strcmp(cmd[0], "XFR") == 0) {
226	char *server;
227	int port;
228
229	if (num_parts >= 6 && strcmp(cmd[2], "NS") == 0) {
230	b_event_remove(handler->inpa);
231	handler->inpa = -1;
232
233	server = strchr(cmd[3], ':');
234	if (!server) {
235	imcb_error(ic, "Syntax error");
236	imc_logout(ic, TRUE);
237	return(0);
238	}
239	*server = 0;
240	port = atoi(server + 1);
241	server = cmd[3];
242
243	imcb_log(ic, "Transferring to other server");
244	return msn_ns_connect(ic, server, port);
245	} else {
246	imcb_error(ic, "Syntax error");
247	imc_logout(ic, TRUE);
248	return(0);
249	}
250	} else if (strcmp(cmd[0], "USR") == 0) {
251	if (num_parts >= 6 && strcmp(cmd[2], "SSO") == 0 &&
252	strcmp(cmd[3], "S") == 0) {
253	g_free(md->pp_policy);
254	md->pp_policy = g_strdup(cmd[4]);
255	msn_soap_passport_sso_request(ic, cmd[5]);
256	} else if (strcmp(cmd[2], "OK") == 0) {
257	/* If the number after the handle is 0, the e-mail
258	address is unverified, which means we can't change
259	the display name. */
260	if (cmd[4][0] == '0') {
261	md->flags \|= MSN_EMAIL_UNVERIFIED;
262	}
263
264	imcb_log(ic, "Authenticated, getting buddy list");
265	msn_soap_memlist_request(ic);
266	} else {
267	imcb_error(ic, "Unknown authentication type");
268	imc_logout(ic, FALSE);
269	return(0);
270	}
271	} else if (strcmp(cmd[0], "MSG") == 0) {
272	if (num_parts < 4) {
273	imcb_error(ic, "Syntax error");
274	imc_logout(ic, TRUE);
275	return(0);
276	}
277
278	handler->msglen = atoi(cmd[3]);
279
280	if (handler->msglen <= 0) {
281	imcb_error(ic, "Syntax error");
282	imc_logout(ic, TRUE);
283	return(0);
284	}
285	} else if (strcmp(cmd[0], "ADL") == 0) {
286	if (num_parts >= 3 && strcmp(cmd[2], "OK") == 0) {
287	msn_ns_send_adl(ic);
288	return msn_ns_finish_login(ic);
289	} else if (num_parts >= 3) {
290	handler->msglen = atoi(cmd[2]);
291	}
292	} else if (strcmp(cmd[0], "CHL") == 0) {
293	char *resp;
294	int st;
295
296	if (num_parts < 3) {
297	imcb_error(ic, "Syntax error");
298	imc_logout(ic, TRUE);
299	return(0);
300	}
301
302	resp = msn_p11_challenge(cmd[2]);
303
304	st = msn_ns_write(ic, -1, "QRY %d %s %zd\r\n%s",
305	++md->trId, MSNP11_PROD_ID,
306	strlen(resp), resp);
307	g_free(resp);
308	return st;
309	} else if (strcmp(cmd[0], "QRY") == 0) {
310	/* CONGRATULATIONS */
311	} else if (strcmp(cmd[0], "OUT") == 0) {
312	int allow_reconnect = TRUE;
313
314	if (cmd[1] && strcmp(cmd[1], "OTH") == 0) {
315	imcb_error(ic, "Someone else logged in with your account");
316	allow_reconnect = FALSE;
317	} else if (cmd[1] && strcmp(cmd[1], "SSD") == 0) {
318	imcb_error(ic, "Terminating session because of server shutdown");
319	} else {
320	imcb_error(ic, "Session terminated by remote server (%s)",
321	cmd[1] ? cmd[1] : "reason unknown)");
322	}
323
324	imc_logout(ic, allow_reconnect);
325	return(0);
326	} else if (strcmp(cmd[0], "GCF") == 0) {
327	/* Coming up is cmd[2] bytes of stuff we're supposed to
328	censore. Meh. */
329	handler->msglen = atoi(cmd[2]);
330	} else if ((strcmp(cmd[0], "NFY") == 0) \|\| (strcmp(cmd[0], "SDG") == 0)) {
331	if (num_parts >= 3) {
332	handler->msglen = atoi(cmd[2]);
333	}
334	} else if (strcmp(cmd[0], "PUT") == 0) {
335	if (num_parts >= 4) {
336	handler->msglen = atoi(cmd[3]);
337	}
338	} else if (strcmp(cmd[0], "NOT") == 0) {
339	if (num_parts >= 2) {
340	handler->msglen = atoi(cmd[1]);
341	}
342	} else if (strcmp(cmd[0], "QNG") == 0) {
343	ic->flags \|= OPT_PONGED;
344	} else if (g_ascii_isdigit(cmd[0][0])) {
345	int num = atoi(cmd[0]);
346	const struct msn_status_code *err = msn_status_by_number(num);
347
348	imcb_error(ic, "Error reported by MSN server: %s", err->text);
349
350	if (err->flags & STATUS_FATAL) {
351	imc_logout(ic, TRUE);
352	return(0);
353	}
354
355	/* Oh yes, errors can have payloads too now. Discard them for now. */
356	if (num_parts >= 3) {
357	handler->msglen = atoi(cmd[2]);
358	}
359	} else {
360	imcb_error(ic, "Received unknown command from main server: %s", cmd[0]);
361	}
362
363	return(1);
364	}
365
366	int msn_ns_message(struct msn_data handler, char msg, int msglen, char **cmd, int num_parts)
367	{
368	struct im_connection *ic = handler->ic;
369	char *body;
370	int blen = 0;
371
372	if (!num_parts) {
373	return(1);
374	}
375
376	if ((body = strstr(msg, "\r\n\r\n"))) {
377	body += 4;
378	blen = msglen - (body - msg);
379	}
380
381	if (strcmp(cmd[0], "MSG") == 0) {
382	if (g_strcasecmp(cmd[1], "Hotmail") == 0) {
383	char *ct = get_rfc822_header(msg, "Content-Type:", msglen);
384
385	if (!ct) {
386	return(1);
387	}
388
389	if (g_strncasecmp(ct, "application/x-msmsgssystemmessage", 33) == 0) {
390	char *mtype;
391	char *arg1;
392
393	if (!body) {
394	return(1);
395	}
396
397	mtype = get_rfc822_header(body, "Type:", blen);
398	arg1 = get_rfc822_header(body, "Arg1:", blen);
399
400	if (mtype && strcmp(mtype, "1") == 0) {
401	if (arg1) {
402	imcb_log(ic, "The server is going down for maintenance in %s minutes.",
403	arg1);
404	}
405	}
406
407	g_free(arg1);
408	g_free(mtype);
409	} else if (g_strncasecmp(ct, "text/x-msmsgsprofile", 20) == 0) {
410	/* We don't care about this profile for now... */
411	} else if (g_strncasecmp(ct, "text/x-msmsgsinitialemailnotification", 37) == 0) {
412	if (set_getbool(&ic->acc->set, "mail_notifications")) {
413	char *inbox = get_rfc822_header(body, "Inbox-Unread:", blen);
414	char *folders = get_rfc822_header(body, "Folders-Unread:", blen);
415
416	if (inbox && folders) {
417	imcb_log(ic,
418	"INBOX contains %s new messages, plus %s messages in other folders.", inbox,
419	folders);
420	}
421
422	g_free(inbox);
423	g_free(folders);
424	}
425	} else if (g_strncasecmp(ct, "text/x-msmsgsemailnotification", 30) == 0) {
426	if (set_getbool(&ic->acc->set, "mail_notifications")) {
427	char *from = get_rfc822_header(body, "From-Addr:", blen);
428	char *fromname = get_rfc822_header(body, "From:", blen);
429
430	if (from && fromname) {
431	imcb_log(ic, "Received an e-mail message from %s <%s>.", fromname,
432	from);
433	}
434
435	g_free(from);
436	g_free(fromname);
437	}
438	} else if (g_strncasecmp(ct, "text/x-msmsgsactivemailnotification", 35) == 0) {
439	/* Notification that a message has been read... Ignore it */
440	} else {
441	debug("Can't handle %s packet from notification server", ct);
442	}
443
444	g_free(ct);
445	}
446	} else if (strcmp(cmd[0], "ADL") == 0) {
447	struct xt_node adl, d, *c;
448
449	if (!(adl = xt_from_string(msg, msglen))) {
450	return 1;
451	}
452
453	for (d = adl->children; d; d = d->next) {
454	char *dn;
455	if (strcmp(d->name, "d") != 0 \|\|
456	(dn = xt_find_attr(d, "n")) == NULL) {
457	continue;
458	}
459	for (c = d->children; c; c = c->next) {
460	bee_user_t *bu;
461	struct msn_buddy_data *bd;
462	char cn, handle, f, l;
463	int flags;
464
465	if (strcmp(c->name, "c") != 0 \|\|
466	(l = xt_find_attr(c, "l")) == NULL \|\|
467	(cn = xt_find_attr(c, "n")) == NULL) {
468	continue;
469	}
470
471	/* FIXME: Use "t" here, guess I should just add it
472	as a prefix like elsewhere in the protocol. */
473	handle = g_strdup_printf("%s@%s", cn, dn);
474	if (!((bu = bee_user_by_handle(ic->bee, ic, handle)) \|\|
475	(bu = bee_user_new(ic->bee, ic, handle, 0)))) {
476	g_free(handle);
477	continue;
478	}
479	g_free(handle);
480	bd = bu->data;
481
482	if ((f = xt_find_attr(c, "f"))) {
483	http_decode(f);
484	imcb_rename_buddy(ic, bu->handle, f);
485	}
486
487	flags = atoi(l) & 15;
488	if (bd->flags != flags) {
489	bd->flags = flags;
490	msn_buddy_ask(bu);
491	}
492	}
493	}
494	} else if ((strcmp(cmd[0], "SDG") == 0) \|\| (strcmp(cmd[0], "NFY") == 0)) {
495	msn_ns_structured_message(handler, msg, msglen, cmd);
496	}
497
498	return 1;
499	}
500
501	static void msn_ns_structured_message(struct msn_data handler, char msg, int msglen, char **cmd)
502	{
503	char **parts = NULL;
504	char *semicolon = NULL;
505	char *action = NULL;
506	char *from = NULL;
507	char *who = NULL;
508
509	parts = g_strsplit(msg, "\r\n\r\n", 4);
510
511	if (!(from = get_rfc822_header(parts[0], "From", 0))) {
512	goto cleanup;
513	}
514
515	/* either the semicolon or the end of the string */
516	semicolon = strchr(from, ';') ? : (from + strlen(from));
517
518	who = g_strndup(from + 2, semicolon - from - 2);
519
520	if ((strcmp(cmd[0], "SDG") == 0) && (action = get_rfc822_header(parts[2], "Message-Type", 0))) {
521	msn_ns_sdg(handler, who, parts, action);
522
523	} else if ((strcmp(cmd[0], "NFY") == 0) && (action = get_rfc822_header(parts[2], "Uri", 0))) {
524	gboolean is_put = (strcmp(cmd[1], "PUT") == 0);
525	msn_ns_nfy(handler, who, parts, action, is_put);
526	}
527
528	cleanup:
529	g_strfreev(parts);
530	g_free(action);
531	g_free(from);
532	g_free(who);
533	}
534
535	static void msn_ns_sdg(struct msn_data handler, char who, char *parts, char action)
536	{
537	struct im_connection *ic = handler->ic;
538
539	if (strcmp(action, "Control/Typing") == 0) {
540	imcb_buddy_typing(ic, who, OPT_TYPING);
541	} else if (strcmp(action, "Text") == 0) {
542	imcb_buddy_msg(ic, who, parts[3], 0, 0);
543	}
544	}
545
546	static void msn_ns_nfy(struct msn_data handler, char who, char *parts, char action, gboolean is_put)
547	{
548	struct im_connection *ic = handler->ic;
549	struct xt_node *body = NULL;
550	struct xt_node *s = NULL;
551	const char *state = NULL;
552	char *nick = NULL;
553	char *psm = NULL;
554	int flags = OPT_LOGGED_IN;
555
556	if (strcmp(action, "/user") != 0) {
557	return;
558	}
559
560	if (!(body = xt_from_string(parts[3], 0))) {
561	goto cleanup;
562	}
563
564	s = body->children;
565	while ((s = xt_find_node(s, "s"))) {
566	struct xt_node *s2;
567	char n = xt_find_attr(s, "n"); / service name: IM, PE, etc */
568
569	if (strcmp(n, "IM") == 0) {
570	/* IM has basic presence information */
571	if (!is_put) {
572	/* NFY DEL with a <s> usually means log out from the last endpoint */
573	flags &= ~OPT_LOGGED_IN;
574	break;
575	}
576
577	s2 = xt_find_node(s->children, "Status");
578	if (s2 && s2->text_len) {
579	const struct msn_away_state *msn_state = msn_away_state_by_code(s2->text);
580	state = msn_state->name;
581	if (msn_state != msn_away_state_list) {
582	flags \|= OPT_AWAY;
583	}
584	}
585	} else if (strcmp(n, "PE") == 0) {
586	if ((s2 = xt_find_node(s->children, "PSM")) && s2->text_len) {
587	psm = s2->text;
588	}
589	if ((s2 = xt_find_node(s->children, "FriendlyName")) && s2->text_len) {
590	nick = s2->text;
591	}
592	}
593	s = s->next;
594	}
595
596	imcb_buddy_status(ic, who, flags, state, psm);
597
598	if (nick) {
599	imcb_rename_buddy(ic, who, nick);
600	}
601
602	cleanup:
603	xt_free_node(body);
604	}
605
606	void msn_auth_got_passport_token(struct im_connection ic, const char token, const char *error)
607	{
608	struct msn_data *md;
609
610	/* Dead connection? */
611	if (g_slist_find(msn_connections, ic) == NULL) {
612	return;
613	}
614
615	md = ic->proto_data;
616
617	if (token) {
618	msn_ns_write(ic, -1, "USR %d SSO S %s %s {%s}\r\n", ++md->trId, md->tokens[0], token, md->uuid);
619	} else {
620	imcb_error(ic, "Error during Passport authentication: %s", error);
621	imc_logout(ic, TRUE);
622	}
623	}
624
625	void msn_auth_got_contact_list(struct im_connection *ic)
626	{
627	/* Dead connection? */
628	if (g_slist_find(msn_connections, ic) == NULL) {
629	return;
630	}
631
632	msn_ns_send_adl_start(ic);
633	msn_ns_finish_login(ic);
634	}
635
636	static gboolean msn_ns_send_adl_1(gpointer key, gpointer value, gpointer data)
637	{
638	struct xt_node adl = data, d, c, s;
639	struct bee_user *bu = value;
640	struct msn_buddy_data *bd = bu->data;
641	struct msn_data *md = bu->ic->proto_data;
642	char handle[strlen(bu->handle) + 1];
643	char *domain;
644	char l[4];
645
646	if ((bd->flags & 7) == 0 \|\| (bd->flags & MSN_BUDDY_ADL_SYNCED)) {
647	return FALSE;
648	}
649
650	strcpy(handle, bu->handle);
651	if ((domain = strchr(handle, '@')) == NULL) { /* WTF */
652	return FALSE;
653	}
654	*domain = '\0';
655	domain++;
656
657	if ((d = adl->children) == NULL \|\|
658	g_strcasecmp(xt_find_attr(d, "n"), domain) != 0) {
659	d = xt_new_node("d", NULL, NULL);
660	xt_add_attr(d, "n", domain);
661	xt_insert_child(adl, d);
662	}
663
664	g_snprintf(l, sizeof(l), "%d", bd->flags & 7);
665	c = xt_new_node("c", NULL, NULL);
666	xt_add_attr(c, "n", handle);
667	xt_add_attr(c, "t", "1"); /* FIXME: Network type, i.e. 32 for Y!MSG */
668	s = xt_new_node("s", NULL, NULL);
669	xt_add_attr(s, "n", "IM");
670	xt_add_attr(s, "l", l);
671	xt_insert_child(c, s);
672	xt_insert_child(d, c);
673
674	/* Do this in batches of 100. */
675	bd->flags \|= MSN_BUDDY_ADL_SYNCED;
676	return (--md->adl_todo % 140) == 0;
677	}
678
679	static void msn_ns_send_adl(struct im_connection *ic)
680	{
681	struct xt_node *adl;
682	struct msn_data *md = ic->proto_data;
683	char *adls;
684
685	adl = xt_new_node("ml", NULL, NULL);
686	xt_add_attr(adl, "l", "1");
687	g_tree_foreach(md->domaintree, msn_ns_send_adl_1, adl);
688	if (adl->children == NULL) {
689	/* This tells the caller that we're done now. */
690	md->adl_todo = -1;
691	xt_free_node(adl);
692	return;
693	}
694
695	adls = xt_to_string(adl);
696	xt_free_node(adl);
697	msn_ns_write(ic, -1, "ADL %d %zd\r\n%s", ++md->trId, strlen(adls), adls);
698	g_free(adls);
699	}
700
701	static void msn_ns_send_adl_start(struct im_connection *ic)
702	{
703	struct msn_data *md;
704	GSList *l;
705
706	/* Dead connection? */
707	if (g_slist_find(msn_connections, ic) == NULL) {
708	return;
709	}
710
711	md = ic->proto_data;
712	md->adl_todo = 0;
713	for (l = ic->bee->users; l; l = l->next) {
714	bee_user_t *bu = l->data;
715	struct msn_buddy_data *bd = bu->data;
716
717	if (bu->ic != ic \|\| (bd->flags & 7) == 0) {
718	continue;
719	}
720
721	bd->flags &= ~MSN_BUDDY_ADL_SYNCED;
722	md->adl_todo++;
723	}
724
725	msn_ns_send_adl(ic);
726	}
727
728	int msn_ns_finish_login(struct im_connection *ic)
729	{
730	struct msn_data *md = ic->proto_data;
731
732	if (ic->flags & OPT_LOGGED_IN) {
733	return 1;
734	}
735
736	if (md->adl_todo < 0) {
737	md->flags \|= MSN_DONE_ADL;
738	}
739
740	if ((md->flags & MSN_DONE_ADL) && (md->flags & MSN_GOT_PROFILE)) {
741	imcb_connected(ic);
742	}
743
744	return 1;
745	}
746
747	// TODO: typing notifications, nudges lol, etc
748	int msn_ns_sendmessage(struct im_connection ic, bee_user_t bu, const char *text)
749	{
750	struct msn_data *md = ic->proto_data;
751	int retval = 0;
752	char *buf;
753
754	if (strncmp(text, "\r\r\r", 3) == 0) {
755	/* Err. Shouldn't happen but I guess it can. Don't send others
756	any of the "SHAKE THAT THING" messages. :-D */
757	return 1;
758	}
759
760	buf = g_strdup_printf(MSN_MESSAGE_HEADERS, bu->handle, ic->acc->user, md->uuid, strlen(text), text);
761	retval = msn_ns_write(ic, -1, "SDG %d %zd\r\n%s", ++md->trId, strlen(buf), buf);
762	g_free(buf);
763	return retval;
764	}

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