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source: protocols/msn/ns.c @ 95fdf22

Last change on this file since 95fdf22 was 95fdf22, checked in by dequis <dx@…>, at 2015-05-31T02:40:04Z
msn: remove some MSNP21 commands
Property mode set to `100644`
File size: 18.0 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, "\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	gboolean msn_ns_connect(struct im_connection ic, const char host, int port)
81	{
82	struct msn_data *md = ic->proto_data;
83
84	if (md->fd >= 0) {
85	closesocket(md->fd);
86	}
87
88	if (md->is_http) {
89	md->gw = msn_gw_new(ic);
90	md->gw->callback = msn_ns_callback;
91	msn_ns_connected(md, 0, NULL, B_EV_IO_READ);
92	} else {
93	md->ssl = ssl_connect((char *) host, port, TRUE, msn_ns_connected, md);
94	md->fd = md->ssl ? ssl_getfd(md->ssl) : -1;
95	if (md->fd < 0) {
96	imcb_error(ic, "Could not connect to server");
97	imc_logout(ic, TRUE);
98	return FALSE;
99	}
100	}
101
102	return TRUE;
103	}
104
105	static gboolean msn_ns_connected(gpointer data, int source, void *scd, b_input_condition cond)
106	{
107	struct msn_data *md = data;
108	struct im_connection *ic = md->ic;
109
110	if (!scd && !md->is_http) {
111	md->ssl = NULL;
112	imcb_error(ic, "Could not connect to server");
113	imc_logout(ic, TRUE);
114	return FALSE;
115	}
116
117	g_free(md->rxq);
118	md->rxlen = 0;
119	md->rxq = g_new0(char, 1);
120
121	if (md->uuid == NULL) {
122	struct utsname name;
123	sha1_state_t sha[1];
124
125	/* UUID == SHA1("BitlBee" + my hostname + MSN username) */
126	sha1_init(sha);
127	sha1_append(sha, (void *) "BitlBee", 7);
128	if (uname(&name) == 0) {
129	sha1_append(sha, (void *) name.nodename, strlen(name.nodename));
130	}
131	sha1_append(sha, (void *) ic->acc->user, strlen(ic->acc->user));
132	md->uuid = sha1_random_uuid(sha);
133	memcpy(md->uuid, "b171be3e", 8); /* :-P */
134	}
135
136	if (msn_ns_write(ic, "VER %d %s CVR0\r\n", ++md->trId, MSNP_VER)) {
137	if (!md->is_http) {
138	md->inpa = b_input_add(md->fd, B_EV_IO_READ, msn_ns_callback, md);
139	}
140	imcb_log(ic, "Connected to server, waiting for reply");
141	}
142
143	return FALSE;
144	}
145
146	void msn_ns_close(struct msn_data *md)
147	{
148	if (md->gw) {
149	msn_gw_free(md->gw);
150	}
151
152	if (md->ssl) {
153	ssl_disconnect(md->ssl);
154	b_event_remove(md->inpa);
155	}
156
157	md->ssl = NULL;
158	md->fd = md->inpa = -1;
159
160	g_free(md->rxq);
161	g_free(md->cmd_text);
162
163	md->rxlen = 0;
164	md->rxq = NULL;
165	md->cmd_text = NULL;
166	}
167
168	static gboolean msn_ns_callback(gpointer data, gint source, b_input_condition cond)
169	{
170	struct msn_data *md = data;
171	struct im_connection *ic = md->ic;
172	char *bytes;
173	int st;
174
175	if (md->is_http) {
176	st = msn_gw_read(md->gw, &bytes);
177	} else {
178	bytes = g_malloc(1024);
179	st = ssl_read(md->ssl, bytes, 1024);
180	}
181
182	if (st == 0 \|\| (st < 0 && (md->is_http \|\| !ssl_sockerr_again(md->ssl)))) {
183	imcb_error(ic, "Error while reading from server");
184	imc_logout(ic, TRUE);
185	g_free(bytes);
186	return FALSE;
187	}
188
189	msn_queue_feed(md, bytes, st);
190
191	g_free(bytes);
192
193	if (!md->is_http && ssl_pending(md->ssl)) {
194	return msn_ns_callback(data, source, cond);
195	}
196
197	return msn_handler(md);
198	}
199
200	int msn_ns_command(struct msn_data md, char cmd, int num_parts, char msg, int msglen)
201	{
202	struct im_connection *ic = md->ic;
203
204	if (num_parts == 0) {
205	/* Hrrm... Empty command...? Ignore? */
206	return(1);
207	}
208
209	if (strcmp(cmd[0], "VER") == 0) {
210	if (cmd[2] && strncmp(cmd[2], MSNP_VER, 5) != 0) {
211	imcb_error(ic, "Unsupported protocol");
212	imc_logout(ic, FALSE);
213	return(0);
214	}
215
216	return(msn_ns_write(ic, "CVR %d 0x0409 mac 10.2.0 ppc macmsgs 3.5.1 macmsgs %s VmVyc2lvbjogMQ0KWGZyQ291bnQ6IDINClhmclNlbnRVVENUaW1lOiA2MzU2MTQ3OTU5NzgzOTAwMDANCklzR2VvWGZyOiB0cnVlDQo=\r\n",
217	++md->trId, ic->acc->user));
218	} else if (strcmp(cmd[0], "CVR") == 0) {
219	/* We don't give a damn about the information we just received */
220	return msn_ns_write(ic, "USR %d SSO I %s\r\n", ++md->trId, ic->acc->user);
221	} else if (strcmp(cmd[0], "XFR") == 0) {
222	char *server;
223	int port;
224
225	if (num_parts >= 6 && strcmp(cmd[2], "NS") == 0) {
226	b_event_remove(md->inpa);
227	md->inpa = -1;
228
229	server = strchr(cmd[3], ':');
230	if (!server) {
231	imcb_error(ic, "Syntax error");
232	imc_logout(ic, TRUE);
233	return(0);
234	}
235	*server = 0;
236	port = atoi(server + 1);
237	server = cmd[3];
238
239	imcb_log(ic, "Transferring to other server");
240	return msn_ns_connect(ic, server, port);
241	} else {
242	imcb_error(ic, "Syntax error");
243	imc_logout(ic, TRUE);
244	return(0);
245	}
246	} else if (strcmp(cmd[0], "USR") == 0) {
247	if (num_parts >= 6 && strcmp(cmd[2], "SSO") == 0 &&
248	strcmp(cmd[3], "S") == 0) {
249	g_free(md->pp_policy);
250	md->pp_policy = g_strdup(cmd[4]);
251	msn_soap_passport_sso_request(ic, cmd[5]);
252	} else if (strcmp(cmd[2], "OK") == 0) {
253	/* If the number after the handle is 0, the e-mail
254	address is unverified, which means we can't change
255	the display name. */
256	if (cmd[4][0] == '0') {
257	md->flags \|= MSN_EMAIL_UNVERIFIED;
258	}
259
260	imcb_log(ic, "Authenticated, getting buddy list");
261	msn_soap_memlist_request(ic);
262	} else {
263	imcb_error(ic, "Unknown authentication type");
264	imc_logout(ic, FALSE);
265	return(0);
266	}
267	} else if (strcmp(cmd[0], "ADL") == 0) {
268	if (num_parts >= 3 && strcmp(cmd[2], "OK") == 0) {
269	msn_ns_send_adl(ic);
270	return msn_ns_finish_login(ic);
271	}
272	} else if (strcmp(cmd[0], "CHL") == 0) {
273	char *resp;
274	int st;
275
276	if (num_parts < 3) {
277	imcb_error(ic, "Syntax error");
278	imc_logout(ic, TRUE);
279	return(0);
280	}
281
282	resp = msn_p11_challenge(cmd[2]);
283
284	st = msn_ns_write(ic, "QRY %d %s %zd\r\n%s",
285	++md->trId, MSNP11_PROD_ID,
286	strlen(resp), resp);
287	g_free(resp);
288	return st;
289	} else if (strcmp(cmd[0], "QRY") == 0) {
290	/* CONGRATULATIONS */
291	} else if (strcmp(cmd[0], "OUT") == 0) {
292	imcb_error(ic, "Session terminated by remote server (%s)", cmd[1] ? cmd[1] : "reason unknown");
293	imc_logout(ic, TRUE);
294	return(0);
295	} else if (strcmp(cmd[0], "QNG") == 0) {
296	ic->flags \|= OPT_PONGED;
297	} else if (g_ascii_isdigit(cmd[0][0])) {
298	int num = atoi(cmd[0]);
299	const struct msn_status_code *err = msn_status_by_number(num);
300
301	imcb_error(ic, "Error reported by MSN server: %s", err->text);
302
303	if (err->flags & STATUS_FATAL) {
304	imc_logout(ic, TRUE);
305	return(0);
306	}
307	} else if ((strcmp(cmd[0], "SDG") == 0) \|\| (strcmp(cmd[0], "NFY") == 0)) {
308	msn_ns_structured_message(md, msg, msglen, cmd);
309	} else {
310	imcb_error(ic, "Received unknown command from main server: %s", cmd[0]);
311	}
312
313	return(1);
314	}
315
316	int msn_ns_message(struct msn_data md, char msg, int msglen, char **cmd, int num_parts)
317	{
318	struct im_connection *ic = md->ic;
319	char *body;
320	int blen = 0;
321
322	if ((body = strstr(msg, "\r\n\r\n"))) {
323	body += 4;
324	blen = msglen - (body - msg);
325	}
326
327	if (strcmp(cmd[0], "MSG") == 0) {
328	if (g_strcasecmp(cmd[1], "Hotmail") == 0) {
329	char *ct = get_rfc822_header(msg, "Content-Type:", msglen);
330
331	if (!ct) {
332	return(1);
333	}
334
335	if (g_strncasecmp(ct, "application/x-msmsgssystemmessage", 33) == 0) {
336	char *mtype;
337	char *arg1;
338
339	if (!body) {
340	return(1);
341	}
342
343	mtype = get_rfc822_header(body, "Type:", blen);
344	arg1 = get_rfc822_header(body, "Arg1:", blen);
345
346	if (mtype && strcmp(mtype, "1") == 0) {
347	if (arg1) {
348	imcb_log(ic, "The server is going down for maintenance in %s minutes.",
349	arg1);
350	}
351	}
352
353	g_free(arg1);
354	g_free(mtype);
355	} else if (g_strncasecmp(ct, "text/x-msmsgsprofile", 20) == 0) {
356	/* We don't care about this profile for now... */
357	} else if (g_strncasecmp(ct, "text/x-msmsgsinitialemailnotification", 37) == 0) {
358	if (set_getbool(&ic->acc->set, "mail_notifications")) {
359	char *inbox = get_rfc822_header(body, "Inbox-Unread:", blen);
360	char *folders = get_rfc822_header(body, "Folders-Unread:", blen);
361
362	if (inbox && folders) {
363	imcb_notify_email(ic,
364	"INBOX contains %s new messages, plus %s messages in other folders.", inbox,
365	folders);
366	}
367
368	g_free(inbox);
369	g_free(folders);
370	}
371	} else if (g_strncasecmp(ct, "text/x-msmsgsemailnotification", 30) == 0) {
372	if (set_getbool(&ic->acc->set, "mail_notifications")) {
373	char *from = get_rfc822_header(body, "From-Addr:", blen);
374	char *fromname = get_rfc822_header(body, "From:", blen);
375
376	if (from && fromname) {
377	imcb_notify_email(ic, "Received an e-mail message from %s <%s>.", fromname, from);
378	}
379
380	g_free(from);
381	g_free(fromname);
382	}
383	} else if (g_strncasecmp(ct, "text/x-msmsgsactivemailnotification", 35) == 0) {
384	/* Notification that a message has been read... Ignore it */
385	}
386
387	g_free(ct);
388	}
389	} else if (strcmp(cmd[0], "ADL") == 0) {
390	struct xt_node adl, d, *c;
391
392	if (!(adl = xt_from_string(msg, msglen))) {
393	return 1;
394	}
395
396	for (d = adl->children; d; d = d->next) {
397	char *dn;
398	if (strcmp(d->name, "d") != 0 \|\|
399	(dn = xt_find_attr(d, "n")) == NULL) {
400	continue;
401	}
402	for (c = d->children; c; c = c->next) {
403	bee_user_t *bu;
404	struct msn_buddy_data *bd;
405	char cn, handle, f, l;
406	int flags;
407
408	if (strcmp(c->name, "c") != 0 \|\|
409	(l = xt_find_attr(c, "l")) == NULL \|\|
410	(cn = xt_find_attr(c, "n")) == NULL) {
411	continue;
412	}
413
414	/* FIXME: Use "t" here, guess I should just add it
415	as a prefix like elsewhere in the protocol. */
416	handle = g_strdup_printf("%s@%s", cn, dn);
417	if (!((bu = bee_user_by_handle(ic->bee, ic, handle)) \|\|
418	(bu = bee_user_new(ic->bee, ic, handle, 0)))) {
419	g_free(handle);
420	continue;
421	}
422	g_free(handle);
423	bd = bu->data;
424
425	if ((f = xt_find_attr(c, "f"))) {
426	http_decode(f);
427	imcb_rename_buddy(ic, bu->handle, f);
428	}
429
430	flags = atoi(l) & 15;
431	if (bd->flags != flags) {
432	bd->flags = flags;
433	msn_buddy_ask(bu);
434	}
435	}
436	}
437	}
438
439	return 1;
440	}
441
442	static void msn_ns_structured_message(struct msn_data md, char msg, int msglen, char **cmd)
443	{
444	char **parts = NULL;
445	char *semicolon = NULL;
446	char *action = NULL;
447	char *from = NULL;
448	char *who = NULL;
449
450	parts = g_strsplit(msg, "\r\n\r\n", 4);
451
452	if (!(from = get_rfc822_header(parts[0], "From", 0))) {
453	goto cleanup;
454	}
455
456	/* either the semicolon or the end of the string */
457	semicolon = strchr(from, ';') ? : (from + strlen(from));
458
459	who = g_strndup(from + 2, semicolon - from - 2);
460
461	if ((strcmp(cmd[0], "SDG") == 0) && (action = get_rfc822_header(parts[2], "Message-Type", 0))) {
462	msn_ns_sdg(md, who, parts, action);
463
464	} else if ((strcmp(cmd[0], "NFY") == 0) && (action = get_rfc822_header(parts[2], "Uri", 0))) {
465	gboolean is_put = (strcmp(cmd[1], "PUT") == 0);
466	msn_ns_nfy(md, who, parts, action, is_put);
467	}
468
469	cleanup:
470	g_strfreev(parts);
471	g_free(action);
472	g_free(from);
473	g_free(who);
474	}
475
476	static void msn_ns_sdg(struct msn_data md, char who, char *parts, char action)
477	{
478	struct im_connection *ic = md->ic;
479
480	if (strcmp(action, "Control/Typing") == 0) {
481	imcb_buddy_typing(ic, who, OPT_TYPING);
482	} else if (strcmp(action, "Text") == 0) {
483	imcb_buddy_msg(ic, who, parts[3], 0, 0);
484	}
485	}
486
487	static void msn_ns_nfy(struct msn_data md, char who, char *parts, char action, gboolean is_put)
488	{
489	struct im_connection *ic = md->ic;
490	struct xt_node *body = NULL;
491	struct xt_node *s = NULL;
492	const char *state = NULL;
493	char *nick = NULL;
494	char *psm = NULL;
495	int flags = OPT_LOGGED_IN;
496
497	if (strcmp(action, "/user") != 0) {
498	return;
499	}
500
501	if (!(body = xt_from_string(parts[3], 0))) {
502	goto cleanup;
503	}
504
505	s = body->children;
506	while ((s = xt_find_node(s, "s"))) {
507	struct xt_node *s2;
508	char n = xt_find_attr(s, "n"); / service name: IM, PE, etc */
509
510	if (strcmp(n, "IM") == 0) {
511	/* IM has basic presence information */
512	if (!is_put) {
513	/* NFY DEL with a <s> usually means log out from the last endpoint */
514	flags &= ~OPT_LOGGED_IN;
515	break;
516	}
517
518	s2 = xt_find_node(s->children, "Status");
519	if (s2 && s2->text_len) {
520	const struct msn_away_state *msn_state = msn_away_state_by_code(s2->text);
521	state = msn_state->name;
522	if (msn_state != msn_away_state_list) {
523	flags \|= OPT_AWAY;
524	}
525	}
526	} else if (strcmp(n, "PE") == 0) {
527	if ((s2 = xt_find_node(s->children, "PSM")) && s2->text_len) {
528	psm = s2->text;
529	}
530	if ((s2 = xt_find_node(s->children, "FriendlyName")) && s2->text_len) {
531	nick = s2->text;
532	}
533	}
534	s = s->next;
535	}
536
537	imcb_buddy_status(ic, who, flags, state, psm);
538
539	if (nick) {
540	imcb_rename_buddy(ic, who, nick);
541	}
542
543	cleanup:
544	xt_free_node(body);
545	}
546
547	void msn_auth_got_passport_token(struct im_connection ic, const char token, const char *error)
548	{
549	struct msn_data *md;
550
551	/* Dead connection? */
552	if (g_slist_find(msn_connections, ic) == NULL) {
553	return;
554	}
555
556	md = ic->proto_data;
557
558	if (token) {
559	msn_ns_write(ic, "USR %d SSO S %s %s {%s}\r\n", ++md->trId, md->tokens[0], token, md->uuid);
560	} else {
561	imcb_error(ic, "Error during Passport authentication: %s", error);
562	imc_logout(ic, TRUE);
563	}
564	}
565
566	void msn_auth_got_contact_list(struct im_connection *ic)
567	{
568	/* Dead connection? */
569	if (g_slist_find(msn_connections, ic) == NULL) {
570	return;
571	}
572
573	msn_ns_send_adl_start(ic);
574	msn_ns_finish_login(ic);
575	}
576
577	static gboolean msn_ns_send_adl_1(gpointer key, gpointer value, gpointer data)
578	{
579	struct xt_node adl = data, d, c, s;
580	struct bee_user *bu = value;
581	struct msn_buddy_data *bd = bu->data;
582	struct msn_data *md = bu->ic->proto_data;
583	char handle[strlen(bu->handle) + 1];
584	char *domain;
585	char l[4];
586
587	if ((bd->flags & (MSN_BUDDY_FL \| MSN_BUDDY_AL)) == 0 \|\| (bd->flags & MSN_BUDDY_ADL_SYNCED)) {
588	return FALSE;
589	}
590
591	strcpy(handle, bu->handle);
592	if ((domain = strchr(handle, '@')) == NULL) { /* WTF */
593	return FALSE;
594	}
595	*domain = '\0';
596	domain++;
597
598	if ((d = adl->children) == NULL \|\|
599	g_strcasecmp(xt_find_attr(d, "n"), domain) != 0) {
600	d = xt_new_node("d", NULL, NULL);
601	xt_add_attr(d, "n", domain);
602	xt_insert_child(adl, d);
603	}
604
605	g_snprintf(l, sizeof(l), "%d", bd->flags & (MSN_BUDDY_FL \| MSN_BUDDY_AL));
606	c = xt_new_node("c", NULL, NULL);
607	xt_add_attr(c, "n", handle);
608	xt_add_attr(c, "t", "1"); /* FIXME: Network type, i.e. 32 for Y!MSG */
609	s = xt_new_node("s", NULL, NULL);
610	xt_add_attr(s, "n", "IM");
611	xt_add_attr(s, "l", l);
612	xt_insert_child(c, s);
613	xt_insert_child(d, c);
614
615	/* Do this in batches of 100. */
616	bd->flags \|= MSN_BUDDY_ADL_SYNCED;
617	return (--md->adl_todo % 140) == 0;
618	}
619
620	static void msn_ns_send_adl(struct im_connection *ic)
621	{
622	struct xt_node *adl;
623	struct msn_data *md = ic->proto_data;
624	char *adls;
625
626	adl = xt_new_node("ml", NULL, NULL);
627	xt_add_attr(adl, "l", "1");
628	g_tree_foreach(md->domaintree, msn_ns_send_adl_1, adl);
629	if (adl->children == NULL) {
630	/* This tells the caller that we're done now. */
631	md->adl_todo = -1;
632	xt_free_node(adl);
633	return;
634	}
635
636	adls = xt_to_string(adl);
637	xt_free_node(adl);
638	msn_ns_write(ic, "ADL %d %zd\r\n%s", ++md->trId, strlen(adls), adls);
639	g_free(adls);
640	}
641
642	static void msn_ns_send_adl_start(struct im_connection *ic)
643	{
644	struct msn_data *md;
645	GSList *l;
646
647	/* Dead connection? */
648	if (g_slist_find(msn_connections, ic) == NULL) {
649	return;
650	}
651
652	md = ic->proto_data;
653	md->adl_todo = 0;
654	for (l = ic->bee->users; l; l = l->next) {
655	bee_user_t *bu = l->data;
656	struct msn_buddy_data *bd = bu->data;
657
658	if (bu->ic != ic \|\| (bd->flags & (MSN_BUDDY_FL \| MSN_BUDDY_AL)) == 0) {
659	continue;
660	}
661
662	bd->flags &= ~MSN_BUDDY_ADL_SYNCED;
663	md->adl_todo++;
664	}
665
666	msn_ns_send_adl(ic);
667	}
668
669	int msn_ns_finish_login(struct im_connection *ic)
670	{
671	struct msn_data *md = ic->proto_data;
672
673	if (ic->flags & OPT_LOGGED_IN) {
674	return 1;
675	}
676
677	if (md->adl_todo < 0) {
678	md->flags \|= MSN_DONE_ADL;
679	}
680
681	if ((md->flags & MSN_DONE_ADL) && (md->flags & MSN_GOT_PROFILE)) {
682	imcb_connected(ic);
683	}
684
685	return 1;
686	}
687
688	static int msn_ns_send_sdg(struct im_connection ic, bee_user_t bu, const char message_type, const char text)
689	{
690	struct msn_data *md = ic->proto_data;
691	int retval = 0;
692	char *buf;
693
694	buf = g_strdup_printf(MSN_MESSAGE_HEADERS, bu->handle, ic->acc->user, md->uuid, message_type, strlen(text), text);
695	retval = msn_ns_write(ic, "SDG %d %zd\r\n%s", ++md->trId, strlen(buf), buf);
696	g_free(buf);
697	return retval;
698	}
699
700	int msn_ns_send_typing(struct im_connection ic, bee_user_t bu)
701	{
702	return msn_ns_send_sdg(ic, bu, "Control/Typing", "");
703	}
704
705	int msn_ns_send_message(struct im_connection ic, bee_user_t bu, const char *text)
706	{
707	return msn_ns_send_sdg(ic, bu, "Text", text);
708	}
709

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