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source: protocols/msn/ns.c @ d6e2aa8

Last change on this file since d6e2aa8 was 884577f, checked in by dequis <dx@…>, at 2015-10-30T10:28:32Z

MSN: self message support

This is straightforward, like receiving a message with From/To swapped

Property mode set to 100644

File size: 19.4 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 md, char msg, int msglen, char **cmd);
41	static void msn_ns_sdg(struct msn_data md, char who, char *parts, char action, gboolean selfmessage);
42	static void msn_ns_nfy(struct msn_data md, 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 *md = ic->proto_data;
86
87	if (md->fd >= 0) {
88	closesocket(md->fd);
89	}
90
91	if (md->is_http) {
92	md->gw = msn_gw_new(ic);
93	md->gw->callback = msn_ns_callback;
94	msn_ns_connected(md, -1, B_EV_IO_READ);
95	} else {
96	md->fd = proxy_connect(host, port, msn_ns_connected, md);
97	if (md->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 im_connection *ic = md->ic;
111
112	if (source == -1 && !md->is_http) {
113	imcb_error(ic, "Could not connect to server");
114	imc_logout(ic, TRUE);
115	return FALSE;
116	}
117
118	g_free(md->rxq);
119	md->rxlen = 0;
120	md->rxq = g_new0(char, 1);
121
122	if (md->uuid == NULL) {
123	struct utsname name;
124	sha1_state_t sha[1];
125
126	/* UUID == SHA1("BitlBee" + my hostname + MSN username) */
127	sha1_init(sha);
128	sha1_append(sha, (void *) "BitlBee", 7);
129	if (uname(&name) == 0) {
130	sha1_append(sha, (void *) name.nodename, strlen(name.nodename));
131	}
132	sha1_append(sha, (void *) ic->acc->user, strlen(ic->acc->user));
133	md->uuid = sha1_random_uuid(sha);
134	memcpy(md->uuid, "b171be3e", 8); /* :-P */
135	}
136
137	if (msn_ns_write(ic, source, "VER %d %s CVR0\r\n", ++md->trId, MSNP_VER)) {
138	if (!md->is_http) {
139	md->inpa = b_input_add(md->fd, B_EV_IO_READ, msn_ns_callback, md);
140	}
141	imcb_log(ic, "Connected to server, waiting for reply");
142	}
143
144	return FALSE;
145	}
146
147	void msn_ns_close(struct msn_data *md)
148	{
149	if (md->gw) {
150	msn_gw_free(md->gw);
151	}
152	if (md->fd >= 0) {
153	closesocket(md->fd);
154	b_event_remove(md->inpa);
155	}
156
157	md->fd = md->inpa = -1;
158	g_free(md->rxq);
159	g_free(md->cmd_text);
160
161	md->rxlen = 0;
162	md->rxq = NULL;
163	md->cmd_text = NULL;
164	}
165
166	static gboolean msn_ns_callback(gpointer data, gint source, b_input_condition cond)
167	{
168	struct msn_data *md = data;
169	struct im_connection *ic = md->ic;
170	char *bytes;
171	int st;
172
173	if (md->is_http) {
174	st = msn_gw_read(md->gw, &bytes);
175	} else {
176	bytes = g_malloc(1024);
177	st = read(md->fd, bytes, 1024);
178	}
179
180	if (st <= 0) {
181	imcb_error(ic, "Error while reading from server");
182	imc_logout(ic, TRUE);
183	g_free(bytes);
184	return FALSE;
185	}
186
187	msn_queue_feed(md, bytes, st);
188
189	g_free(bytes);
190
191	return msn_handler(md);
192	}
193
194	int msn_ns_command(struct msn_data md, char *cmd, int num_parts)
195	{
196	struct im_connection *ic = md->ic;
197
198	if (num_parts == 0) {
199	/* Hrrm... Empty command...? Ignore? */
200	return(1);
201	}
202
203	if (strcmp(cmd[0], "VER") == 0) {
204	if (cmd[2] && strncmp(cmd[2], MSNP_VER, 5) != 0) {
205	imcb_error(ic, "Unsupported protocol");
206	imc_logout(ic, FALSE);
207	return(0);
208	}
209
210	return(msn_ns_write(ic, md->fd, "CVR %d 0x0409 mac 10.2.0 ppc macmsgs 3.5.1 macmsgs %s VmVyc2lvbjogMQ0KWGZyQ291bnQ6IDINClhmclNlbnRVVENUaW1lOiA2MzU2MTQ3OTU5NzgzOTAwMDANCklzR2VvWGZyOiB0cnVlDQo=\r\n",
211	++md->trId, ic->acc->user));
212	} else if (strcmp(cmd[0], "CVR") == 0) {
213	/* We don't give a damn about the information we just received */
214	return msn_ns_write(ic, md->fd, "USR %d SSO I %s\r\n", ++md->trId, ic->acc->user);
215	} else if (strcmp(cmd[0], "XFR") == 0) {
216	char *server;
217	int port;
218
219	if (num_parts >= 6 && strcmp(cmd[2], "NS") == 0) {
220	b_event_remove(md->inpa);
221	md->inpa = -1;
222
223	server = strchr(cmd[3], ':');
224	if (!server) {
225	imcb_error(ic, "Syntax error");
226	imc_logout(ic, TRUE);
227	return(0);
228	}
229	*server = 0;
230	port = atoi(server + 1);
231	server = cmd[3];
232
233	imcb_log(ic, "Transferring to other server");
234	return msn_ns_connect(ic, server, port);
235	} else {
236	imcb_error(ic, "Syntax error");
237	imc_logout(ic, TRUE);
238	return(0);
239	}
240	} else if (strcmp(cmd[0], "USR") == 0) {
241	if (num_parts >= 6 && strcmp(cmd[2], "SSO") == 0 &&
242	strcmp(cmd[3], "S") == 0) {
243	g_free(md->pp_policy);
244	md->pp_policy = g_strdup(cmd[4]);
245	msn_soap_passport_sso_request(ic, cmd[5]);
246	} else if (strcmp(cmd[2], "OK") == 0) {
247	/* If the number after the handle is 0, the e-mail
248	address is unverified, which means we can't change
249	the display name. */
250	if (cmd[4][0] == '0') {
251	md->flags \|= MSN_EMAIL_UNVERIFIED;
252	}
253
254	imcb_log(ic, "Authenticated, getting buddy list");
255	msn_soap_memlist_request(ic);
256	} else {
257	imcb_error(ic, "Unknown authentication type");
258	imc_logout(ic, FALSE);
259	return(0);
260	}
261	} else if (strcmp(cmd[0], "MSG") == 0) {
262	if (num_parts < 4) {
263	imcb_error(ic, "Syntax error");
264	imc_logout(ic, TRUE);
265	return(0);
266	}
267
268	md->msglen = atoi(cmd[3]);
269
270	if (md->msglen <= 0) {
271	imcb_error(ic, "Syntax error");
272	imc_logout(ic, TRUE);
273	return(0);
274	}
275	} else if (strcmp(cmd[0], "ADL") == 0) {
276	if (num_parts >= 3 && strcmp(cmd[2], "OK") == 0) {
277	msn_ns_send_adl(ic);
278	return msn_ns_finish_login(ic);
279	} else if (num_parts >= 3) {
280	md->msglen = atoi(cmd[2]);
281	}
282	} else if (strcmp(cmd[0], "CHL") == 0) {
283	char *resp;
284	int st;
285
286	if (num_parts < 3) {
287	imcb_error(ic, "Syntax error");
288	imc_logout(ic, TRUE);
289	return(0);
290	}
291
292	resp = msn_p11_challenge(cmd[2]);
293
294	st = msn_ns_write(ic, -1, "QRY %d %s %zd\r\n%s",
295	++md->trId, MSNP11_PROD_ID,
296	strlen(resp), resp);
297	g_free(resp);
298	return st;
299	} else if (strcmp(cmd[0], "QRY") == 0) {
300	/* CONGRATULATIONS */
301	} else if (strcmp(cmd[0], "OUT") == 0) {
302	imcb_error(ic, "Session terminated by remote server (%s)", cmd[1] ? cmd[1] : "reason unknown");
303	imc_logout(ic, TRUE);
304	return(0);
305	} else if (strcmp(cmd[0], "GCF") == 0) {
306	/* Coming up is cmd[2] bytes of stuff we're supposed to
307	censore. Meh. */
308	md->msglen = atoi(cmd[2]);
309	} else if ((strcmp(cmd[0], "NFY") == 0) \|\| (strcmp(cmd[0], "SDG") == 0)) {
310	if (num_parts >= 3) {
311	md->msglen = atoi(cmd[2]);
312	}
313	} else if (strcmp(cmd[0], "PUT") == 0) {
314	if (num_parts >= 4) {
315	md->msglen = atoi(cmd[3]);
316	}
317	} else if (strcmp(cmd[0], "NOT") == 0) {
318	if (num_parts >= 2) {
319	md->msglen = atoi(cmd[1]);
320	}
321	} else if (strcmp(cmd[0], "QNG") == 0) {
322	ic->flags \|= OPT_PONGED;
323	} else if (g_ascii_isdigit(cmd[0][0])) {
324	int num = atoi(cmd[0]);
325	const struct msn_status_code *err = msn_status_by_number(num);
326
327	imcb_error(ic, "Error reported by MSN server: %s", err->text);
328
329	if (err->flags & STATUS_FATAL) {
330	imc_logout(ic, TRUE);
331	return(0);
332	}
333
334	/* Oh yes, errors can have payloads too now. Discard them for now. */
335	if (num_parts >= 3) {
336	md->msglen = atoi(cmd[2]);
337	}
338	} else {
339	imcb_error(ic, "Received unknown command from main server: %s", cmd[0]);
340	}
341
342	return(1);
343	}
344
345	int msn_ns_message(struct msn_data md, char msg, int msglen, char **cmd, int num_parts)
346	{
347	struct im_connection *ic = md->ic;
348	char *body;
349	int blen = 0;
350
351	if (!num_parts) {
352	return(1);
353	}
354
355	if ((body = strstr(msg, "\r\n\r\n"))) {
356	body += 4;
357	blen = msglen - (body - msg);
358	}
359
360	if (strcmp(cmd[0], "MSG") == 0) {
361	if (g_strcasecmp(cmd[1], "Hotmail") == 0) {
362	char *ct = get_rfc822_header(msg, "Content-Type:", msglen);
363
364	if (!ct) {
365	return(1);
366	}
367
368	if (g_strncasecmp(ct, "application/x-msmsgssystemmessage", 33) == 0) {
369	char *mtype;
370	char *arg1;
371
372	if (!body) {
373	return(1);
374	}
375
376	mtype = get_rfc822_header(body, "Type:", blen);
377	arg1 = get_rfc822_header(body, "Arg1:", blen);
378
379	if (mtype && strcmp(mtype, "1") == 0) {
380	if (arg1) {
381	imcb_log(ic, "The server is going down for maintenance in %s minutes.",
382	arg1);
383	}
384	}
385
386	g_free(arg1);
387	g_free(mtype);
388	} else if (g_strncasecmp(ct, "text/x-msmsgsprofile", 20) == 0) {
389	/* We don't care about this profile for now... */
390	} else if (g_strncasecmp(ct, "text/x-msmsgsinitialemailnotification", 37) == 0) {
391	if (set_getbool(&ic->acc->set, "mail_notifications")) {
392	char *inbox = get_rfc822_header(body, "Inbox-Unread:", blen);
393	char *folders = get_rfc822_header(body, "Folders-Unread:", blen);
394
395	if (inbox && folders) {
396	imcb_notify_email(ic,
397	"INBOX contains %s new messages, plus %s messages in other folders.", inbox,
398	folders);
399	}
400
401	g_free(inbox);
402	g_free(folders);
403	}
404	} else if (g_strncasecmp(ct, "text/x-msmsgsemailnotification", 30) == 0) {
405	if (set_getbool(&ic->acc->set, "mail_notifications")) {
406	char *from = get_rfc822_header(body, "From-Addr:", blen);
407	char *fromname = get_rfc822_header(body, "From:", blen);
408
409	if (from && fromname) {
410	imcb_notify_email(ic, "Received an e-mail message from %s <%s>.", fromname, from);
411	}
412
413	g_free(from);
414	g_free(fromname);
415	}
416	} else if (g_strncasecmp(ct, "text/x-msmsgsactivemailnotification", 35) == 0) {
417	/* Notification that a message has been read... Ignore it */
418	}
419
420	g_free(ct);
421	}
422	} else if (strcmp(cmd[0], "ADL") == 0) {
423	struct xt_node adl, d, *c;
424
425	if (!(adl = xt_from_string(msg, msglen))) {
426	return 1;
427	}
428
429	for (d = adl->children; d; d = d->next) {
430	char *dn;
431	if (strcmp(d->name, "d") != 0 \|\|
432	(dn = xt_find_attr(d, "n")) == NULL) {
433	continue;
434	}
435	for (c = d->children; c; c = c->next) {
436	bee_user_t *bu;
437	struct msn_buddy_data *bd;
438	char cn, handle, f, l;
439	int flags;
440
441	if (strcmp(c->name, "c") != 0 \|\|
442	(l = xt_find_attr(c, "l")) == NULL \|\|
443	(cn = xt_find_attr(c, "n")) == NULL) {
444	continue;
445	}
446
447	/* FIXME: Use "t" here, guess I should just add it
448	as a prefix like elsewhere in the protocol. */
449	handle = g_strdup_printf("%s@%s", cn, dn);
450	if (!((bu = bee_user_by_handle(ic->bee, ic, handle)) \|\|
451	(bu = bee_user_new(ic->bee, ic, handle, 0)))) {
452	g_free(handle);
453	continue;
454	}
455	g_free(handle);
456	bd = bu->data;
457
458	if ((f = xt_find_attr(c, "f"))) {
459	http_decode(f);
460	imcb_rename_buddy(ic, bu->handle, f);
461	}
462
463	flags = atoi(l) & 15;
464	if (bd->flags != flags) {
465	bd->flags = flags;
466	msn_buddy_ask(bu);
467	}
468	}
469	}
470	} else if ((strcmp(cmd[0], "SDG") == 0) \|\| (strcmp(cmd[0], "NFY") == 0)) {
471	msn_ns_structured_message(md, msg, msglen, cmd);
472	}
473
474	return 1;
475	}
476
477	/* returns newly allocated string */
478	static char msn_ns_parse_header_address(struct msn_data md, char headers, char header_name)
479	{
480	char *semicolon = NULL;
481	char *header = NULL;
482	char *address = NULL;
483
484	if (!(header = get_rfc822_header(headers, header_name, 0))) {
485	return NULL;
486	}
487
488	/* either the semicolon or the end of the string */
489	semicolon = strchr(header, ';') ? : (header + strlen(header));
490
491	address = g_strndup(header + 2, semicolon - header - 2);
492
493	g_free(header);
494	return address;
495	}
496
497	static void msn_ns_structured_message(struct msn_data md, char msg, int msglen, char **cmd)
498	{
499	char **parts = NULL;
500	char *action = NULL;
501	char *who = NULL;
502	gboolean selfmessage = FALSE;
503
504	parts = g_strsplit(msg, "\r\n\r\n", 4);
505
506	if (!(who = msn_ns_parse_header_address(md, parts[0], "From"))) {
507	goto cleanup;
508	}
509
510	if (strcmp(who, md->ic->acc->user) == 0) {
511	selfmessage = TRUE;
512	g_free(who);
513	if (!(who = msn_ns_parse_header_address(md, parts[0], "To"))) {
514	goto cleanup;
515	}
516	}
517
518	if ((strcmp(cmd[0], "SDG") == 0) && (action = get_rfc822_header(parts[2], "Message-Type", 0))) {
519	msn_ns_sdg(md, who, parts, action, selfmessage);
520
521	} else if ((strcmp(cmd[0], "NFY") == 0) && (action = get_rfc822_header(parts[2], "Uri", 0))) {
522	gboolean is_put = (strcmp(cmd[1], "PUT") == 0);
523	msn_ns_nfy(md, who, parts, action, is_put);
524	}
525
526	cleanup:
527	g_strfreev(parts);
528	g_free(action);
529	g_free(who);
530	}
531
532	static void msn_ns_sdg(struct msn_data md, char who, char *parts, char action, gboolean selfmessage)
533	{
534	struct im_connection *ic = md->ic;
535
536	if (strcmp(action, "Control/Typing") == 0 && !selfmessage) {
537	imcb_buddy_typing(ic, who, OPT_TYPING);
538	} else if (strcmp(action, "Text") == 0) {
539	imcb_buddy_msg(ic, who, parts[3], selfmessage ? OPT_SELFMESSAGE : 0, 0);
540	}
541	}
542
543	static void msn_ns_nfy(struct msn_data md, char who, char *parts, char action, gboolean is_put)
544	{
545	struct im_connection *ic = md->ic;
546	struct xt_node *body = NULL;
547	struct xt_node *s = NULL;
548	const char *state = NULL;
549	char *nick = NULL;
550	char *psm = NULL;
551	int flags = OPT_LOGGED_IN;
552
553	if (strcmp(action, "/user") != 0) {
554	return;
555	}
556
557	if (!(body = xt_from_string(parts[3], 0))) {
558	goto cleanup;
559	}
560
561	s = body->children;
562	while ((s = xt_find_node(s, "s"))) {
563	struct xt_node *s2;
564	char n = xt_find_attr(s, "n"); / service name: IM, PE, etc */
565
566	if (strcmp(n, "IM") == 0) {
567	/* IM has basic presence information */
568	if (!is_put) {
569	/* NFY DEL with a <s> usually means log out from the last endpoint */
570	flags &= ~OPT_LOGGED_IN;
571	break;
572	}
573
574	s2 = xt_find_node(s->children, "Status");
575	if (s2 && s2->text_len) {
576	const struct msn_away_state *msn_state = msn_away_state_by_code(s2->text);
577	state = msn_state->name;
578	if (msn_state != msn_away_state_list) {
579	flags \|= OPT_AWAY;
580	}
581	}
582	} else if (strcmp(n, "PE") == 0) {
583	if ((s2 = xt_find_node(s->children, "PSM")) && s2->text_len) {
584	psm = s2->text;
585	}
586	if ((s2 = xt_find_node(s->children, "FriendlyName")) && s2->text_len) {
587	nick = s2->text;
588	}
589	}
590	s = s->next;
591	}
592
593	imcb_buddy_status(ic, who, flags, state, psm);
594
595	if (nick) {
596	imcb_rename_buddy(ic, who, nick);
597	}
598
599	cleanup:
600	xt_free_node(body);
601	}
602
603	void msn_auth_got_passport_token(struct im_connection ic, const char token, const char *error)
604	{
605	struct msn_data *md;
606
607	/* Dead connection? */
608	if (g_slist_find(msn_connections, ic) == NULL) {
609	return;
610	}
611
612	md = ic->proto_data;
613
614	if (token) {
615	msn_ns_write(ic, -1, "USR %d SSO S %s %s {%s}\r\n", ++md->trId, md->tokens[0], token, md->uuid);
616	} else {
617	imcb_error(ic, "Error during Passport authentication: %s", error);
618
619	/* don't reconnect with auth errors */
620	if (error && g_str_has_prefix(error, "wsse:FailedAuthentication")) {
621	imc_logout(ic, FALSE);
622	} else {
623	imc_logout(ic, TRUE);
624	}
625	}
626	}
627
628	void msn_auth_got_contact_list(struct im_connection *ic)
629	{
630	/* Dead connection? */
631	if (g_slist_find(msn_connections, ic) == NULL) {
632	return;
633	}
634
635	msn_ns_send_adl_start(ic);
636	msn_ns_finish_login(ic);
637	}
638
639	static gboolean msn_ns_send_adl_1(gpointer key, gpointer value, gpointer data)
640	{
641	struct xt_node adl = data, d, c, s;
642	struct bee_user *bu = value;
643	struct msn_buddy_data *bd = bu->data;
644	struct msn_data *md = bu->ic->proto_data;
645	char handle[strlen(bu->handle) + 1];
646	char *domain;
647	char l[4];
648
649	if ((bd->flags & (MSN_BUDDY_FL \| MSN_BUDDY_AL)) == 0 \|\| (bd->flags & MSN_BUDDY_ADL_SYNCED)) {
650	return FALSE;
651	}
652
653	strcpy(handle, bu->handle);
654	if ((domain = strchr(handle, '@')) == NULL) { /* WTF */
655	return FALSE;
656	}
657	*domain = '\0';
658	domain++;
659
660	if ((d = adl->children) == NULL \|\|
661	g_strcasecmp(xt_find_attr(d, "n"), domain) != 0) {
662	d = xt_new_node("d", NULL, NULL);
663	xt_add_attr(d, "n", domain);
664	xt_insert_child(adl, d);
665	}
666
667	g_snprintf(l, sizeof(l), "%d", bd->flags & (MSN_BUDDY_FL \| MSN_BUDDY_AL));
668	c = xt_new_node("c", NULL, NULL);
669	xt_add_attr(c, "n", handle);
670	xt_add_attr(c, "t", "1"); /* FIXME: Network type, i.e. 32 for Y!MSG */
671	s = xt_new_node("s", NULL, NULL);
672	xt_add_attr(s, "n", "IM");
673	xt_add_attr(s, "l", l);
674	xt_insert_child(c, s);
675	xt_insert_child(d, c);
676
677	/* Do this in batches of 100. */
678	bd->flags \|= MSN_BUDDY_ADL_SYNCED;
679	return (--md->adl_todo % 140) == 0;
680	}
681
682	static void msn_ns_send_adl(struct im_connection *ic)
683	{
684	struct xt_node *adl;
685	struct msn_data *md = ic->proto_data;
686	char *adls;
687
688	adl = xt_new_node("ml", NULL, NULL);
689	xt_add_attr(adl, "l", "1");
690	g_tree_foreach(md->domaintree, msn_ns_send_adl_1, adl);
691	if (adl->children == NULL) {
692	/* This tells the caller that we're done now. */
693	md->adl_todo = -1;
694	xt_free_node(adl);
695	return;
696	}
697
698	adls = xt_to_string(adl);
699	xt_free_node(adl);
700	msn_ns_write(ic, -1, "ADL %d %zd\r\n%s", ++md->trId, strlen(adls), adls);
701	g_free(adls);
702	}
703
704	static void msn_ns_send_adl_start(struct im_connection *ic)
705	{
706	struct msn_data *md;
707	GSList *l;
708
709	/* Dead connection? */
710	if (g_slist_find(msn_connections, ic) == NULL) {
711	return;
712	}
713
714	md = ic->proto_data;
715	md->adl_todo = 0;
716	for (l = ic->bee->users; l; l = l->next) {
717	bee_user_t *bu = l->data;
718	struct msn_buddy_data *bd = bu->data;
719
720	if (bu->ic != ic \|\| (bd->flags & (MSN_BUDDY_FL \| MSN_BUDDY_AL)) == 0) {
721	continue;
722	}
723
724	bd->flags &= ~MSN_BUDDY_ADL_SYNCED;
725	md->adl_todo++;
726	}
727
728	msn_ns_send_adl(ic);
729	}
730
731	int msn_ns_finish_login(struct im_connection *ic)
732	{
733	struct msn_data *md = ic->proto_data;
734
735	if (ic->flags & OPT_LOGGED_IN) {
736	return 1;
737	}
738
739	if (md->adl_todo < 0) {
740	md->flags \|= MSN_DONE_ADL;
741	}
742
743	if ((md->flags & MSN_DONE_ADL) && (md->flags & MSN_GOT_PROFILE)) {
744	imcb_connected(ic);
745	}
746
747	return 1;
748	}
749
750	static int msn_ns_send_sdg(struct im_connection ic, bee_user_t bu, const char message_type, const char text)
751	{
752	struct msn_data *md = ic->proto_data;
753	int retval = 0;
754	char *buf;
755
756	buf = g_strdup_printf(MSN_MESSAGE_HEADERS, bu->handle, ic->acc->user, md->uuid, message_type, strlen(text), text);
757	retval = msn_ns_write(ic, -1, "SDG %d %zd\r\n%s", ++md->trId, strlen(buf), buf);
758	g_free(buf);
759	return retval;
760	}
761
762	int msn_ns_send_typing(struct im_connection ic, bee_user_t bu)
763	{
764	return msn_ns_send_sdg(ic, bu, "Control/Typing", "");
765	}
766
767	int msn_ns_send_message(struct im_connection ic, bee_user_t bu, const char *text)
768	{
769	return msn_ns_send_sdg(ic, bu, "Text", text);
770	}
771

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