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source: protocols/msn/ns.c @ 899c8e8

Last change on this file since 899c8e8 was 899c8e8, checked in by dequis <dx@…>, at 2015-05-31T02:40:05Z
msn: misc MSNP24 command format changes
Property mode set to `100644`
File size: 18.2 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	#include "ssl_client.h"
35
36	static gboolean msn_ns_connected(gpointer data, int source, void *scd, b_input_condition cond);
37	static gboolean msn_ns_callback(gpointer data, gint source, b_input_condition cond);
38
39	static void msn_ns_send_adl_start(struct im_connection *ic);
40	static void msn_ns_send_adl(struct im_connection *ic);
41	static void msn_ns_structured_message(struct msn_data md, char msg, int msglen, char **cmd);
42	static void msn_ns_sdg(struct msn_data md, char who, char *parts, char action);
43	static void msn_ns_nfy(struct msn_data md, char who, char *parts, char action, gboolean is_put);
44
45	int msn_ns_write(struct im_connection ic, const char fmt, ...)
46	{
47	struct msn_data *md = ic->proto_data;
48	va_list params;
49	char *out;
50	size_t len;
51	int st;
52
53	va_start(params, fmt);
54	out = g_strdup_vprintf(fmt, params);
55	va_end(params);
56
57	if (getenv("BITLBEE_DEBUG")) {
58	fprintf(stderr, "\n\x1b[91m>>>[NS] %s\n\x1b[97m", out);
59	}
60
61	len = strlen(out);
62
63	if (md->is_http) {
64	st = len;
65	msn_gw_write(md->gw, out, len);
66	} else {
67	st = ssl_write(md->ssl, out, len);
68	}
69
70	g_free(out);
71	if (st != len) {
72	imcb_error(ic, "Short write() to main server");
73	imc_logout(ic, TRUE);
74	return 0;
75	}
76
77	return 1;
78	}
79
80	int msn_ns_write_cmd(struct im_connection ic, const char cmd, const char params, const char payload)
81	{
82	struct msn_data *md = ic->proto_data;
83	int trid = ++md->trId;
84	const char headers = "\r\n"; / not needed yet */
85	size_t len = strlen(headers) + strlen(payload);
86
87	if (params && *params) {
88	return msn_ns_write(ic, "%s %d %s %zd\r\n%s%s", cmd, trid, params, len, headers, payload);
89	} else {
90	return msn_ns_write(ic, "%s %d %zd\r\n%s%s", cmd, trid, len, headers, payload);
91	}
92	}
93
94	gboolean msn_ns_connect(struct im_connection ic, const char host, int port)
95	{
96	struct msn_data *md = ic->proto_data;
97
98	if (md->fd >= 0) {
99	closesocket(md->fd);
100	}
101
102	if (md->is_http) {
103	md->gw = msn_gw_new(ic);
104	md->gw->callback = msn_ns_callback;
105	msn_ns_connected(md, 0, NULL, B_EV_IO_READ);
106	} else {
107	md->ssl = ssl_connect((char *) host, port, TRUE, msn_ns_connected, md);
108	md->fd = md->ssl ? ssl_getfd(md->ssl) : -1;
109	if (md->fd < 0) {
110	imcb_error(ic, "Could not connect to server");
111	imc_logout(ic, TRUE);
112	return FALSE;
113	}
114	}
115
116	return TRUE;
117	}
118
119	static gboolean msn_ns_connected(gpointer data, int source, void *scd, b_input_condition cond)
120	{
121	struct msn_data *md = data;
122	struct im_connection *ic = md->ic;
123
124	if (!scd && !md->is_http) {
125	md->ssl = NULL;
126	imcb_error(ic, "Could not connect to server");
127	imc_logout(ic, TRUE);
128	return FALSE;
129	}
130
131	g_free(md->rxq);
132	md->rxlen = 0;
133	md->rxq = g_new0(char, 1);
134
135	if (md->uuid == NULL) {
136	struct utsname name;
137	sha1_state_t sha[1];
138
139	/* UUID == SHA1("BitlBee" + my hostname + MSN username) */
140	sha1_init(sha);
141	sha1_append(sha, (void *) "BitlBee", 7);
142	if (uname(&name) == 0) {
143	sha1_append(sha, (void *) name.nodename, strlen(name.nodename));
144	}
145	sha1_append(sha, (void *) ic->acc->user, strlen(ic->acc->user));
146	md->uuid = sha1_random_uuid(sha);
147	memcpy(md->uuid, "b171be3e", 8); /* :-P */
148	}
149
150	if (msn_ns_write_cmd(ic, "CNT", "CON", "<connect><ver>2</ver><agent><os>winnt</os><osVer>5.2</osVer><proc>x86</proc><lcid>en-us</lcid></agent></connect>")) {
151	if (!md->is_http) {
152	md->inpa = b_input_add(md->fd, B_EV_IO_READ, msn_ns_callback, md);
153	}
154	imcb_log(ic, "Connected to server, waiting for reply");
155	}
156
157	return FALSE;
158	}
159
160	void msn_ns_close(struct msn_data *md)
161	{
162	if (md->gw) {
163	msn_gw_free(md->gw);
164	}
165
166	if (md->ssl) {
167	ssl_disconnect(md->ssl);
168	b_event_remove(md->inpa);
169	}
170
171	md->ssl = NULL;
172	md->fd = md->inpa = -1;
173
174	g_free(md->rxq);
175	g_free(md->cmd_text);
176
177	md->rxlen = 0;
178	md->rxq = NULL;
179	md->cmd_text = NULL;
180	}
181
182	static gboolean msn_ns_callback(gpointer data, gint source, b_input_condition cond)
183	{
184	struct msn_data *md = data;
185	struct im_connection *ic = md->ic;
186	char *bytes;
187	int st;
188
189	if (md->is_http) {
190	st = msn_gw_read(md->gw, &bytes);
191	} else {
192	bytes = g_malloc(1024);
193	st = ssl_read(md->ssl, bytes, 1024);
194	}
195
196	if (st == 0 \|\| (st < 0 && (md->is_http \|\| !ssl_sockerr_again(md->ssl)))) {
197	imcb_error(ic, "Error while reading from server");
198	imc_logout(ic, TRUE);
199	g_free(bytes);
200	return FALSE;
201	}
202
203	msn_queue_feed(md, bytes, st);
204
205	g_free(bytes);
206
207	if (!md->is_http && ssl_pending(md->ssl)) {
208	return msn_ns_callback(data, source, cond);
209	}
210
211	return msn_handler(md);
212	}
213
214	int msn_ns_command(struct msn_data md, char cmd, int num_parts, char msg, int msglen)
215	{
216	struct im_connection *ic = md->ic;
217	struct xt_node *xml;
218
219	if (strcmp(cmd[0], "XFR") == 0) {
220	struct xt_node *target;
221	char server, p;
222	int port, st;
223
224	if (!(xml = xt_from_string(msg + 2, msglen - 2)) \|\|
225	!(target = xt_find_node(xml->children, "target")) \|\|
226	!(server = target->text) \|\|
227	!(p = strchr(server, ':'))) {
228	return 1;
229	}
230
231	server = target->text;
232	*p = 0;
233	port = atoi(p + 1);
234
235	b_event_remove(md->inpa);
236	md->inpa = -1;
237
238	imcb_log(ic, "Transferring to other server");
239
240	st = msn_ns_connect(ic, server, port);
241
242	xt_free_node(xml);
243
244	return st;
245
246	} else if (strcmp(cmd[0], "CNT") == 0) {
247	msn_soap_passport_sso_request(ic);
248
249	/* continues in msn_auth_got_passport_token */
250
251	} else if (strcmp(cmd[0], "ATH") == 0) {
252	char *payload;
253
254	if (md->flags & MSN_DONE_BND) {
255	return 1;
256	}
257
258	md->flags \|= MSN_DONE_BND;
259
260	// BND
261	payload = g_markup_printf_escaped(
262	"<msgr><ver>1</ver><client><name>Skype</name><ver>2/4.3.0.37/174</ver></client>"
263	"<epid>%s</epid></msgr>\r\n",
264	md->uuid);
265
266	msn_ns_write_cmd(ic, "BND", "CON\\MSGR", payload);
267
268	g_free(payload);
269
270	} else if (strcmp(cmd[0], "BND") == 0) {
271	struct xt_node *node;
272	char nonce, resp, *payload;
273
274	if (!(xml = xt_from_string(msg + 2, msglen - 2)) \|\|
275	!(node = xt_find_node(xml->children, "nonce")) \|\|
276	!(nonce = node->text)) {
277	return 1;
278	}
279
280	resp = msn_p11_challenge(nonce);
281
282	// PUT MSGR\CHALLENGE
283	payload = g_markup_printf_escaped(
284	"<challenge><appId>%s</appId><response>%s</response></challenge>",
285	MSNP11_PROD_ID, resp);
286
287	msn_ns_write_cmd(ic, "PUT", "MSGR\\CHALLENGE", payload);
288
289	imcb_log(ic, "Authenticated, getting buddy list");
290	msn_soap_memlist_request(ic);
291
292	xt_free_node(xml);
293	g_free(payload);
294	g_free(resp);
295
296	} else if (strcmp(cmd[0], "PUT") == 0) {
297	/* We could keep track TrIDs... or we could guess what this PUT means */
298	if ((md->flags & MSN_DONE_BND) && !(md->flags & MSN_DONE_ADL)) {
299	msn_ns_send_adl(ic);
300	return msn_ns_finish_login(ic);
301	}
302	} else if (strcmp(cmd[0], "OUT") == 0) {
303	imcb_error(ic, "Session terminated by remote server (%s)", cmd[1] ? cmd[1] : "reason unknown");
304	imc_logout(ic, TRUE);
305	return(0);
306	} else if (strcmp(cmd[0], "QNG") == 0) {
307	ic->flags \|= OPT_PONGED;
308	} else if (g_ascii_isdigit(cmd[0][0])) {
309	int num = atoi(cmd[0]);
310	const struct msn_status_code *err = msn_status_by_number(num);
311
312	imcb_error(ic, "Error reported by MSN server: %s", err->text);
313
314	if (err->flags & STATUS_FATAL) {
315	imc_logout(ic, TRUE);
316	return(0);
317	}
318	} else if ((strcmp(cmd[0], "SDG") == 0) \|\| (strcmp(cmd[0], "NFY") == 0)) {
319	msn_ns_structured_message(md, msg, msglen, cmd);
320	} else {
321	imcb_error(ic, "Received unknown command from main server: %s", cmd[0]);
322	}
323
324	return(1);
325	}
326
327	int msn_ns_message(struct msn_data md, char msg, int msglen, char **cmd, int num_parts)
328	{
329	struct im_connection *ic = md->ic;
330	char *body;
331	int blen = 0;
332
333	if ((body = strstr(msg, "\r\n\r\n"))) {
334	body += 4;
335	blen = msglen - (body - msg);
336	}
337
338	if (strcmp(cmd[0], "MSG") == 0) {
339	if (g_strcasecmp(cmd[1], "Hotmail") == 0) {
340	char *ct = get_rfc822_header(msg, "Content-Type:", msglen);
341
342	if (!ct) {
343	return(1);
344	}
345
346	if (g_strncasecmp(ct, "application/x-msmsgssystemmessage", 33) == 0) {
347	char *mtype;
348	char *arg1;
349
350	if (!body) {
351	return(1);
352	}
353
354	mtype = get_rfc822_header(body, "Type:", blen);
355	arg1 = get_rfc822_header(body, "Arg1:", blen);
356
357	if (mtype && strcmp(mtype, "1") == 0) {
358	if (arg1) {
359	imcb_log(ic, "The server is going down for maintenance in %s minutes.",
360	arg1);
361	}
362	}
363
364	g_free(arg1);
365	g_free(mtype);
366	} else if (g_strncasecmp(ct, "text/x-msmsgsprofile", 20) == 0) {
367	/* We don't care about this profile for now... */
368	} else if (g_strncasecmp(ct, "text/x-msmsgsinitialemailnotification", 37) == 0) {
369	if (set_getbool(&ic->acc->set, "mail_notifications")) {
370	char *inbox = get_rfc822_header(body, "Inbox-Unread:", blen);
371	char *folders = get_rfc822_header(body, "Folders-Unread:", blen);
372
373	if (inbox && folders) {
374	imcb_notify_email(ic,
375	"INBOX contains %s new messages, plus %s messages in other folders.", inbox,
376	folders);
377	}
378
379	g_free(inbox);
380	g_free(folders);
381	}
382	} else if (g_strncasecmp(ct, "text/x-msmsgsemailnotification", 30) == 0) {
383	if (set_getbool(&ic->acc->set, "mail_notifications")) {
384	char *from = get_rfc822_header(body, "From-Addr:", blen);
385	char *fromname = get_rfc822_header(body, "From:", blen);
386
387	if (from && fromname) {
388	imcb_notify_email(ic, "Received an e-mail message from %s <%s>.", fromname, from);
389	}
390
391	g_free(from);
392	g_free(fromname);
393	}
394	} else if (g_strncasecmp(ct, "text/x-msmsgsactivemailnotification", 35) == 0) {
395	/* Notification that a message has been read... Ignore it */
396	}
397
398	g_free(ct);
399	}
400	} else if (strcmp(cmd[0], "ADL") == 0) {
401	struct xt_node adl, d, *c;
402
403	if (!(adl = xt_from_string(msg, msglen))) {
404	return 1;
405	}
406
407	for (d = adl->children; d; d = d->next) {
408	char *dn;
409	if (strcmp(d->name, "d") != 0 \|\|
410	(dn = xt_find_attr(d, "n")) == NULL) {
411	continue;
412	}
413	for (c = d->children; c; c = c->next) {
414	bee_user_t *bu;
415	struct msn_buddy_data *bd;
416	char cn, handle, f, l;
417	int flags;
418
419	if (strcmp(c->name, "c") != 0 \|\|
420	(l = xt_find_attr(c, "l")) == NULL \|\|
421	(cn = xt_find_attr(c, "n")) == NULL) {
422	continue;
423	}
424
425	/* FIXME: Use "t" here, guess I should just add it
426	as a prefix like elsewhere in the protocol. */
427	handle = g_strdup_printf("%s@%s", cn, dn);
428	if (!((bu = bee_user_by_handle(ic->bee, ic, handle)) \|\|
429	(bu = bee_user_new(ic->bee, ic, handle, 0)))) {
430	g_free(handle);
431	continue;
432	}
433	g_free(handle);
434	bd = bu->data;
435
436	if ((f = xt_find_attr(c, "f"))) {
437	http_decode(f);
438	imcb_rename_buddy(ic, bu->handle, f);
439	}
440
441	flags = atoi(l) & 15;
442	if (bd->flags != flags) {
443	bd->flags = flags;
444	msn_buddy_ask(bu);
445	}
446	}
447	}
448	}
449
450	return 1;
451	}
452
453	static void msn_ns_structured_message(struct msn_data md, char msg, int msglen, char **cmd)
454	{
455	char **parts = NULL;
456	char *semicolon = NULL;
457	char *action = NULL;
458	char *from = NULL;
459	char *who = NULL;
460
461	parts = g_strsplit(msg, "\r\n\r\n", 4);
462
463	if (!(from = get_rfc822_header(parts[0], "From", 0))) {
464	goto cleanup;
465	}
466
467	/* either the semicolon or the end of the string */
468	semicolon = strchr(from, ';') ? : (from + strlen(from));
469
470	who = g_strndup(from + 2, semicolon - from - 2);
471
472	if ((strcmp(cmd[0], "SDG") == 0) && (action = get_rfc822_header(parts[2], "Message-Type", 0))) {
473	msn_ns_sdg(md, who, parts, action);
474
475	} else if ((strcmp(cmd[0], "NFY") == 0) && (action = get_rfc822_header(parts[2], "Uri", 0))) {
476	gboolean is_put = (strcmp(cmd[2], "MSGR\\PUT") == 0);
477	msn_ns_nfy(md, who, parts, action, is_put);
478	}
479
480	cleanup:
481	g_strfreev(parts);
482	g_free(action);
483	g_free(from);
484	g_free(who);
485	}
486
487	static void msn_ns_sdg(struct msn_data md, char who, char *parts, char action)
488	{
489	struct im_connection *ic = md->ic;
490
491	if (strcmp(action, "Control/Typing") == 0) {
492	imcb_buddy_typing(ic, who, OPT_TYPING);
493	} else if (strcmp(action, "Text") == 0) {
494	imcb_buddy_msg(ic, who, parts[3], 0, 0);
495	}
496	}
497
498	static void msn_ns_nfy(struct msn_data md, char who, char *parts, char action, gboolean is_put)
499	{
500	struct im_connection *ic = md->ic;
501	struct xt_node *body = NULL;
502	struct xt_node *s = NULL;
503	const char *state = NULL;
504	char *nick = NULL;
505	char *psm = NULL;
506	int flags = OPT_LOGGED_IN;
507
508	if (strcmp(action, "/user") != 0) {
509	return;
510	}
511
512	if (!(body = xt_from_string(parts[3], 0))) {
513	goto cleanup;
514	}
515
516	s = body->children;
517	while ((s = xt_find_node(s, "s"))) {
518	struct xt_node *s2;
519	char n = xt_find_attr(s, "n"); / service name: IM, PE, etc */
520
521	if (strcmp(n, "IM") == 0) {
522	/* IM has basic presence information */
523	if (!is_put) {
524	/* NFY DEL with a <s> usually means log out from the last endpoint */
525	flags &= ~OPT_LOGGED_IN;
526	break;
527	}
528
529	s2 = xt_find_node(s->children, "Status");
530	if (s2 && s2->text_len) {
531	const struct msn_away_state *msn_state = msn_away_state_by_code(s2->text);
532	state = msn_state->name;
533	if (msn_state != msn_away_state_list) {
534	flags \|= OPT_AWAY;
535	}
536	}
537	} else if (strcmp(n, "PE") == 0) {
538	if ((s2 = xt_find_node(s->children, "PSM")) && s2->text_len) {
539	psm = s2->text;
540	}
541	if ((s2 = xt_find_node(s->children, "FriendlyName")) && s2->text_len) {
542	nick = s2->text;
543	}
544	}
545	s = s->next;
546	}
547
548	imcb_buddy_status(ic, who, flags, state, psm);
549
550	if (nick) {
551	imcb_rename_buddy(ic, who, nick);
552	}
553
554	cleanup:
555	xt_free_node(body);
556	}
557
558	void msn_auth_got_passport_token(struct im_connection ic, const char token, const char *error)
559	{
560	struct msn_data *md;
561	char *payload = NULL;
562
563	/* Dead connection? */
564	if (g_slist_find(msn_connections, ic) == NULL) {
565	return;
566	}
567
568	md = ic->proto_data;
569
570	if (!token) {
571	imcb_error(ic, "Error during Passport authentication: %s", error);
572	imc_logout(ic, TRUE);
573	}
574
575	// ATH
576	payload = g_markup_printf_escaped(
577	"<user><ssl-compact-ticket>%s</ssl-compact-ticket>"
578	"<ssl-site-name>chatservice.live.com</ssl-site-name></user>",
579	md->tokens[0]);
580
581	msn_ns_write_cmd(ic, "ATH", "CON\\USER", payload);
582
583	g_free(payload);
584
585	/* continues in msn_ns_command */
586	}
587
588	void msn_auth_got_contact_list(struct im_connection *ic)
589	{
590	/* Dead connection? */
591	if (g_slist_find(msn_connections, ic) == NULL) {
592	return;
593	}
594
595	msn_ns_send_adl_start(ic);
596	msn_ns_finish_login(ic);
597	}
598
599	static gboolean msn_ns_send_adl_1(gpointer key, gpointer value, gpointer data)
600	{
601	struct xt_node adl = data, d, c, s;
602	struct bee_user *bu = value;
603	struct msn_buddy_data *bd = bu->data;
604	struct msn_data *md = bu->ic->proto_data;
605	char handle[strlen(bu->handle) + 1];
606	char *domain;
607	char l[4];
608
609	if ((bd->flags & (MSN_BUDDY_FL \| MSN_BUDDY_AL)) == 0 \|\| (bd->flags & MSN_BUDDY_ADL_SYNCED)) {
610	return FALSE;
611	}
612
613	strcpy(handle, bu->handle);
614	if ((domain = strchr(handle, '@')) == NULL) { /* WTF */
615	return FALSE;
616	}
617	*domain = '\0';
618	domain++;
619
620	if ((d = adl->children) == NULL \|\|
621	g_strcasecmp(xt_find_attr(d, "n"), domain) != 0) {
622	d = xt_new_node("d", NULL, NULL);
623	xt_add_attr(d, "n", domain);
624	xt_insert_child(adl, d);
625	}
626
627	g_snprintf(l, sizeof(l), "%d", bd->flags & (MSN_BUDDY_FL \| MSN_BUDDY_AL));
628	c = xt_new_node("c", NULL, NULL);
629	xt_add_attr(c, "n", handle);
630	xt_add_attr(c, "t", "1"); /* FIXME: Network type, i.e. 32 for Y!MSG */
631	s = xt_new_node("s", NULL, NULL);
632	xt_add_attr(s, "n", "IM");
633	xt_add_attr(s, "l", l);
634	xt_insert_child(c, s);
635	xt_insert_child(d, c);
636
637	/* Do this in batches of 100. */
638	bd->flags \|= MSN_BUDDY_ADL_SYNCED;
639	return (--md->adl_todo % 140) == 0;
640	}
641
642	static void msn_ns_send_adl(struct im_connection *ic)
643	{
644	struct xt_node *adl;
645	struct msn_data *md = ic->proto_data;
646	char *adls;
647
648	adl = xt_new_node("ml", NULL, NULL);
649	xt_add_attr(adl, "l", "1");
650	g_tree_foreach(md->domaintree, msn_ns_send_adl_1, adl);
651	if (adl->children == NULL) {
652	/* This tells the caller that we're done now. */
653	md->adl_todo = -1;
654	xt_free_node(adl);
655	return;
656	}
657
658	adls = xt_to_string(adl);
659	xt_free_node(adl);
660	msn_ns_write_cmd(ic, "PUT", "MSGR\\CONTACTS", adls);
661	g_free(adls);
662	}
663
664	static void msn_ns_send_adl_start(struct im_connection *ic)
665	{
666	struct msn_data *md;
667	GSList *l;
668
669	/* Dead connection? */
670	if (g_slist_find(msn_connections, ic) == NULL) {
671	return;
672	}
673
674	md = ic->proto_data;
675	md->adl_todo = 0;
676	for (l = ic->bee->users; l; l = l->next) {
677	bee_user_t *bu = l->data;
678	struct msn_buddy_data *bd = bu->data;
679
680	if (bu->ic != ic \|\| (bd->flags & (MSN_BUDDY_FL \| MSN_BUDDY_AL)) == 0) {
681	continue;
682	}
683
684	bd->flags &= ~MSN_BUDDY_ADL_SYNCED;
685	md->adl_todo++;
686	}
687
688	msn_ns_send_adl(ic);
689	}
690
691	int msn_ns_finish_login(struct im_connection *ic)
692	{
693	struct msn_data *md = ic->proto_data;
694
695	if (ic->flags & OPT_LOGGED_IN) {
696	return 1;
697	}
698
699	if (md->adl_todo < 0) {
700	md->flags \|= MSN_DONE_ADL;
701	}
702
703	if ((md->flags & MSN_DONE_ADL) && (md->flags & MSN_GOT_PROFILE)) {
704	imcb_connected(ic);
705	}
706
707	return 1;
708	}
709
710	static int msn_ns_send_sdg(struct im_connection ic, bee_user_t bu, const char message_type, const char text)
711	{
712	struct msn_data *md = ic->proto_data;
713	int retval = 0;
714	char *buf;
715
716	buf = g_strdup_printf(MSN_MESSAGE_HEADERS, bu->handle, ic->acc->user, md->uuid, message_type, strlen(text), text);
717	retval = msn_ns_write_cmd(ic, "SDG", "MSGR", buf);
718	g_free(buf);
719	return retval;
720	}
721
722	int msn_ns_send_typing(struct im_connection ic, bee_user_t bu)
723	{
724	return msn_ns_send_sdg(ic, bu, "Control/Typing", "");
725	}
726
727	int msn_ns_send_message(struct im_connection ic, bee_user_t bu, const char *text)
728	{
729	return msn_ns_send_sdg(ic, bu, "Text", text);
730	}
731

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