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ns.c @ 1522faf

Last change on this file since 1522faf was 05816dd, checked in by dequis <dx@…>, at 2015-02-22T22:44:40Z

coverity: Fix some (harmless?) use-after-free with g_slist_remove()

These were passing a pointer to a variable right after it was g_free()'d

They are most likely harmless as g_slist_remove() probably just needs
the pointer location, but fixing it anyway.

Property mode set to 100644

File size: 24.7 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	static int msn_ns_command(struct msn_handler_data handler, char *cmd, int num_parts);
38	static int msn_ns_message(struct msn_handler_data handler, char msg, int msglen, char **cmd, int num_parts);
39
40	static void msn_ns_send_adl_start(struct im_connection *ic);
41	static void msn_ns_send_adl(struct im_connection *ic);
42
43	int msn_ns_write(struct im_connection ic, int fd, const char fmt, ...)
44	{
45	struct msn_data *md = ic->proto_data;
46	va_list params;
47	char *out;
48	size_t len;
49	int st;
50
51	va_start(params, fmt);
52	out = g_strdup_vprintf(fmt, params);
53	va_end(params);
54
55	if (fd < 0) {
56	fd = md->ns->fd;
57	}
58
59	if (getenv("BITLBEE_DEBUG")) {
60	fprintf(stderr, "->NS%d:%s\n", fd, out);
61	}
62
63	len = strlen(out);
64	st = write(fd, out, len);
65	g_free(out);
66	if (st != len) {
67	imcb_error(ic, "Short write() to main server");
68	imc_logout(ic, TRUE);
69	return 0;
70	}
71
72	return 1;
73	}
74
75	gboolean msn_ns_connect(struct im_connection ic, struct msn_handler_data handler, const char *host, int port)
76	{
77	if (handler->fd >= 0) {
78	closesocket(handler->fd);
79	}
80
81	handler->exec_command = msn_ns_command;
82	handler->exec_message = msn_ns_message;
83	handler->data = ic;
84	handler->fd = proxy_connect(host, port, msn_ns_connected, handler);
85	if (handler->fd < 0) {
86	imcb_error(ic, "Could not connect to server");
87	imc_logout(ic, TRUE);
88	return FALSE;
89	}
90
91	return TRUE;
92	}
93
94	static gboolean msn_ns_connected(gpointer data, gint source, b_input_condition cond)
95	{
96	struct msn_handler_data *handler = data;
97	struct im_connection *ic = handler->data;
98	struct msn_data *md;
99
100	if (!g_slist_find(msn_connections, ic)) {
101	return FALSE;
102	}
103
104	md = ic->proto_data;
105
106	if (source == -1) {
107	imcb_error(ic, "Could not connect to server");
108	imc_logout(ic, TRUE);
109	return FALSE;
110	}
111
112	g_free(handler->rxq);
113	handler->rxlen = 0;
114	handler->rxq = g_new0(char, 1);
115
116	if (md->uuid == NULL) {
117	struct utsname name;
118	sha1_state_t sha[1];
119
120	/* UUID == SHA1("BitlBee" + my hostname + MSN username) */
121	sha1_init(sha);
122	sha1_append(sha, (void *) "BitlBee", 7);
123	if (uname(&name) == 0) {
124	sha1_append(sha, (void *) name.nodename, strlen(name.nodename));
125	}
126	sha1_append(sha, (void *) ic->acc->user, strlen(ic->acc->user));
127	md->uuid = sha1_random_uuid(sha);
128	memcpy(md->uuid, "b171be3e", 8); /* :-P */
129	}
130
131	if (msn_ns_write(ic, source, "VER %d %s CVR0\r\n", ++md->trId, MSNP_VER)) {
132	handler->inpa = b_input_add(handler->fd, B_EV_IO_READ, msn_ns_callback, handler);
133	imcb_log(ic, "Connected to server, waiting for reply");
134	}
135
136	return FALSE;
137	}
138
139	void msn_ns_close(struct msn_handler_data *handler)
140	{
141	if (handler->fd >= 0) {
142	closesocket(handler->fd);
143	b_event_remove(handler->inpa);
144	}
145
146	handler->fd = handler->inpa = -1;
147	g_free(handler->rxq);
148	g_free(handler->cmd_text);
149
150	handler->rxlen = 0;
151	handler->rxq = NULL;
152	handler->cmd_text = NULL;
153	}
154
155	static gboolean msn_ns_callback(gpointer data, gint source, b_input_condition cond)
156	{
157	struct msn_handler_data *handler = data;
158	struct im_connection *ic = handler->data;
159
160	if (msn_handler(handler) == -1) { /* Don't do this on ret == 0, it's already done then. */
161	imcb_error(ic, "Error while reading from server");
162	imc_logout(ic, TRUE);
163
164	return FALSE;
165	} else {
166	return TRUE;
167	}
168	}
169
170	static int msn_ns_command(struct msn_handler_data handler, char *cmd, int num_parts)
171	{
172	struct im_connection *ic = handler->data;
173	struct msn_data *md = ic->proto_data;
174
175	if (num_parts == 0) {
176	/* Hrrm... Empty command...? Ignore? */
177	return(1);
178	}
179
180	if (strcmp(cmd[0], "VER") == 0) {
181	if (cmd[2] && strncmp(cmd[2], MSNP_VER, 5) != 0) {
182	imcb_error(ic, "Unsupported protocol");
183	imc_logout(ic, FALSE);
184	return(0);
185	}
186
187	return(msn_ns_write(ic, handler->fd, "CVR %d 0x0409 mac 10.2.0 ppc macmsgs 3.5.1 macmsgs %s\r\n",
188	++md->trId, ic->acc->user));
189	} else if (strcmp(cmd[0], "CVR") == 0) {
190	/* We don't give a damn about the information we just received */
191	return msn_ns_write(ic, handler->fd, "USR %d SSO I %s\r\n", ++md->trId, ic->acc->user);
192	} else if (strcmp(cmd[0], "XFR") == 0) {
193	char *server;
194	int port;
195
196	if (num_parts >= 6 && strcmp(cmd[2], "NS") == 0) {
197	b_event_remove(handler->inpa);
198	handler->inpa = -1;
199
200	server = strchr(cmd[3], ':');
201	if (!server) {
202	imcb_error(ic, "Syntax error");
203	imc_logout(ic, TRUE);
204	return(0);
205	}
206	*server = 0;
207	port = atoi(server + 1);
208	server = cmd[3];
209
210	imcb_log(ic, "Transferring to other server");
211	return msn_ns_connect(ic, handler, server, port);
212	} else if (num_parts >= 6 && strcmp(cmd[2], "SB") == 0) {
213	struct msn_switchboard *sb;
214
215	server = strchr(cmd[3], ':');
216	if (!server) {
217	imcb_error(ic, "Syntax error");
218	imc_logout(ic, TRUE);
219	return(0);
220	}
221	*server = 0;
222	port = atoi(server + 1);
223	server = cmd[3];
224
225	if (strcmp(cmd[4], "CKI") != 0) {
226	imcb_error(ic, "Unknown authentication method for switchboard");
227	imc_logout(ic, TRUE);
228	return(0);
229	}
230
231	debug("Connecting to a new switchboard with key %s", cmd[5]);
232
233	if ((sb = msn_sb_create(ic, server, port, cmd[5], MSN_SB_NEW)) == NULL) {
234	/* Although this isn't strictly fatal for the NS connection, it's
235	definitely something serious (we ran out of file descriptors?). */
236	imcb_error(ic, "Could not create new switchboard");
237	imc_logout(ic, TRUE);
238	return(0);
239	}
240
241	if (md->msgq) {
242	struct msn_message *m = md->msgq->data;
243	GSList *l;
244
245	sb->who = g_strdup(m->who);
246
247	/* Move all the messages to the first user in the message
248	queue to the switchboard message queue. */
249	l = md->msgq;
250	while (l) {
251	m = l->data;
252	l = l->next;
253	if (strcmp(m->who, sb->who) == 0) {
254	sb->msgq = g_slist_append(sb->msgq, m);
255	md->msgq = g_slist_remove(md->msgq, m);
256	}
257	}
258	}
259	} else {
260	imcb_error(ic, "Syntax error");
261	imc_logout(ic, TRUE);
262	return(0);
263	}
264	} else if (strcmp(cmd[0], "USR") == 0) {
265	if (num_parts >= 6 && strcmp(cmd[2], "SSO") == 0 &&
266	strcmp(cmd[3], "S") == 0) {
267	g_free(md->pp_policy);
268	md->pp_policy = g_strdup(cmd[4]);
269	msn_soap_passport_sso_request(ic, cmd[5]);
270	} else if (strcmp(cmd[2], "OK") == 0) {
271	/* If the number after the handle is 0, the e-mail
272	address is unverified, which means we can't change
273	the display name. */
274	if (cmd[4][0] == '0') {
275	md->flags \|= MSN_EMAIL_UNVERIFIED;
276	}
277
278	imcb_log(ic, "Authenticated, getting buddy list");
279	msn_soap_memlist_request(ic);
280	} else {
281	imcb_error(ic, "Unknown authentication type");
282	imc_logout(ic, FALSE);
283	return(0);
284	}
285	} else if (strcmp(cmd[0], "MSG") == 0) {
286	if (num_parts < 4) {
287	imcb_error(ic, "Syntax error");
288	imc_logout(ic, TRUE);
289	return(0);
290	}
291
292	handler->msglen = atoi(cmd[3]);
293
294	if (handler->msglen <= 0) {
295	imcb_error(ic, "Syntax error");
296	imc_logout(ic, TRUE);
297	return(0);
298	}
299	} else if (strcmp(cmd[0], "BLP") == 0) {
300	msn_ns_send_adl_start(ic);
301	return msn_ns_finish_login(ic);
302	} else if (strcmp(cmd[0], "ADL") == 0) {
303	if (num_parts >= 3 && strcmp(cmd[2], "OK") == 0) {
304	msn_ns_send_adl(ic);
305	return msn_ns_finish_login(ic);
306	} else if (num_parts >= 3) {
307	handler->msglen = atoi(cmd[2]);
308	}
309	} else if (strcmp(cmd[0], "PRP") == 0) {
310	imcb_connected(ic);
311	} else if (strcmp(cmd[0], "CHL") == 0) {
312	char *resp;
313	int st;
314
315	if (num_parts < 3) {
316	imcb_error(ic, "Syntax error");
317	imc_logout(ic, TRUE);
318	return(0);
319	}
320
321	resp = msn_p11_challenge(cmd[2]);
322
323	st = msn_ns_write(ic, -1, "QRY %d %s %zd\r\n%s",
324	++md->trId, MSNP11_PROD_ID,
325	strlen(resp), resp);
326	g_free(resp);
327	return st;
328	} else if (strcmp(cmd[0], "ILN") == 0 \|\| strcmp(cmd[0], "NLN") == 0) {
329	const struct msn_away_state *st;
330	const char *handle;
331	int cap = 0;
332
333	if (num_parts < 6) {
334	imcb_error(ic, "Syntax error");
335	imc_logout(ic, TRUE);
336	return(0);
337	}
338	/* ILN and NLN are more or less the same, except ILN has a trId
339	at the start, and NLN has a capability field at the end.
340	Does ILN still exist BTW? */
341	if (cmd[0][1] == 'I') {
342	cmd++;
343	} else {
344	cap = atoi(cmd[4]);
345	}
346
347	handle = msn_normalize_handle(cmd[2]);
348	if (strcmp(handle, ic->acc->user) == 0) {
349	return 1; /* That's me! */
350
351	}
352	http_decode(cmd[3]);
353	imcb_rename_buddy(ic, handle, cmd[3]);
354
355	st = msn_away_state_by_code(cmd[1]);
356	if (!st) {
357	/* FIXME: Warn/Bomb about unknown away state? */
358	st = msn_away_state_list + 1;
359	}
360
361	imcb_buddy_status(ic, handle, OPT_LOGGED_IN \|
362	(st != msn_away_state_list ? OPT_AWAY : 0) \|
363	(cap & 1 ? OPT_MOBILE : 0),
364	st->name, NULL);
365
366	msn_sb_stop_keepalives(msn_sb_by_handle(ic, handle));
367	} else if (strcmp(cmd[0], "FLN") == 0) {
368	const char *handle;
369
370	if (cmd[1] == NULL) {
371	return 1;
372	}
373
374	handle = msn_normalize_handle(cmd[1]);
375	imcb_buddy_status(ic, handle, 0, NULL, NULL);
376	msn_sb_start_keepalives(msn_sb_by_handle(ic, handle), TRUE);
377	} else if (strcmp(cmd[0], "RNG") == 0) {
378	struct msn_switchboard *sb;
379	char *server;
380	int session, port;
381
382	if (num_parts < 7) {
383	imcb_error(ic, "Syntax error");
384	imc_logout(ic, TRUE);
385	return(0);
386	}
387
388	session = atoi(cmd[1]);
389
390	server = strchr(cmd[2], ':');
391	if (!server) {
392	imcb_error(ic, "Syntax error");
393	imc_logout(ic, TRUE);
394	return(0);
395	}
396	*server = 0;
397	port = atoi(server + 1);
398	server = cmd[2];
399
400	if (strcmp(cmd[3], "CKI") != 0) {
401	imcb_error(ic, "Unknown authentication method for switchboard");
402	imc_logout(ic, TRUE);
403	return(0);
404	}
405
406	debug("Got a call from %s (session %d). Key = %s", cmd[5], session, cmd[4]);
407
408	if ((sb = msn_sb_create(ic, server, port, cmd[4], session)) == NULL) {
409	/* Although this isn't strictly fatal for the NS connection, it's
410	definitely something serious (we ran out of file descriptors?). */
411	imcb_error(ic, "Could not create new switchboard");
412	imc_logout(ic, TRUE);
413	return(0);
414	} else {
415	sb->who = g_strdup(msn_normalize_handle(cmd[5]));
416	}
417	} else if (strcmp(cmd[0], "OUT") == 0) {
418	int allow_reconnect = TRUE;
419
420	if (cmd[1] && strcmp(cmd[1], "OTH") == 0) {
421	imcb_error(ic, "Someone else logged in with your account");
422	allow_reconnect = FALSE;
423	} else if (cmd[1] && strcmp(cmd[1], "SSD") == 0) {
424	imcb_error(ic, "Terminating session because of server shutdown");
425	} else {
426	imcb_error(ic, "Session terminated by remote server (%s)",
427	cmd[1] ? cmd[1] : "reason unknown)");
428	}
429
430	imc_logout(ic, allow_reconnect);
431	return(0);
432	} else if (strcmp(cmd[0], "IPG") == 0) {
433	imcb_error(ic, "Received IPG command, we don't handle them yet.");
434
435	handler->msglen = atoi(cmd[1]);
436
437	if (handler->msglen <= 0) {
438	imcb_error(ic, "Syntax error");
439	imc_logout(ic, TRUE);
440	return(0);
441	}
442	}
443	#if 0
444	else if (strcmp(cmd[0], "ADG") == 0) {
445	char *group = g_strdup(cmd[3]);
446	int groupnum, i;
447	GSList l, next;
448
449	http_decode(group);
450	if (sscanf(cmd[4], "%d", &groupnum) == 1) {
451	if (groupnum >= md->groupcount) {
452	md->grouplist = g_renew(char *, md->grouplist, groupnum + 1);
453	for (i = md->groupcount; i <= groupnum; i++) {
454	md->grouplist[i] = NULL;
455	}
456	md->groupcount = groupnum + 1;
457	}
458	g_free(md->grouplist[groupnum]);
459	md->grouplist[groupnum] = group;
460	} else {
461	/* Shouldn't happen, but if it does, give up on the group. */
462	g_free(group);
463	imcb_error(ic, "Syntax error");
464	imc_logout(ic, TRUE);
465	return 0;
466	}
467
468	for (l = md->grpq; l; l = next) {
469	struct msn_groupadd *ga = l->data;
470	next = l->next;
471	if (g_strcasecmp(ga->group, group) == 0) {
472	if (!msn_buddy_list_add(ic, "FL", ga->who, ga->who, group)) {
473	return 0;
474	}
475
476	g_free(ga->group);
477	g_free(ga->who);
478	g_free(ga);
479	md->grpq = g_slist_remove(md->grpq, ga);
480	}
481	}
482	}
483	#endif
484	else if (strcmp(cmd[0], "GCF") == 0) {
485	/* Coming up is cmd[2] bytes of stuff we're supposed to
486	censore. Meh. */
487	handler->msglen = atoi(cmd[2]);
488	} else if (strcmp(cmd[0], "UBX") == 0) {
489	/* Status message. */
490	if (num_parts >= 3) {
491	handler->msglen = atoi(cmd[2]);
492	}
493	} else if (strcmp(cmd[0], "NOT") == 0) {
494	/* Some kind of notification, poorly documented but
495	apparently used to announce address book changes. */
496	if (num_parts >= 2) {
497	handler->msglen = atoi(cmd[1]);
498	}
499	} else if (strcmp(cmd[0], "UBM") == 0) {
500	if (num_parts >= 7) {
501	handler->msglen = atoi(cmd[6]);
502	}
503	} else if (strcmp(cmd[0], "QNG") == 0) {
504	ic->flags \|= OPT_PONGED;
505	} else if (g_ascii_isdigit(cmd[0][0])) {
506	int num = atoi(cmd[0]);
507	const struct msn_status_code *err = msn_status_by_number(num);
508
509	imcb_error(ic, "Error reported by MSN server: %s", err->text);
510
511	if (err->flags & STATUS_FATAL) {
512	imc_logout(ic, TRUE);
513	return(0);
514	}
515
516	/* Oh yes, errors can have payloads too now. Discard them for now. */
517	if (num_parts >= 3) {
518	handler->msglen = atoi(cmd[2]);
519	}
520	} else {
521	/* debug( "Received unknown command from main server: %s", cmd[0] ); */
522	}
523
524	return(1);
525	}
526
527	static int msn_ns_message(struct msn_handler_data handler, char msg, int msglen, char **cmd, int num_parts)
528	{
529	struct im_connection *ic = handler->data;
530	char *body;
531	int blen = 0;
532
533	if (!num_parts) {
534	return(1);
535	}
536
537	if ((body = strstr(msg, "\r\n\r\n"))) {
538	body += 4;
539	blen = msglen - (body - msg);
540	}
541
542	if (strcmp(cmd[0], "MSG") == 0) {
543	if (g_strcasecmp(cmd[1], "Hotmail") == 0) {
544	char *ct = get_rfc822_header(msg, "Content-Type:", msglen);
545
546	if (!ct) {
547	return(1);
548	}
549
550	if (g_strncasecmp(ct, "application/x-msmsgssystemmessage", 33) == 0) {
551	char *mtype;
552	char *arg1;
553
554	if (!body) {
555	return(1);
556	}
557
558	mtype = get_rfc822_header(body, "Type:", blen);
559	arg1 = get_rfc822_header(body, "Arg1:", blen);
560
561	if (mtype && strcmp(mtype, "1") == 0) {
562	if (arg1) {
563	imcb_log(ic, "The server is going down for maintenance in %s minutes.",
564	arg1);
565	}
566	}
567
568	g_free(arg1);
569	g_free(mtype);
570	} else if (g_strncasecmp(ct, "text/x-msmsgsprofile", 20) == 0) {
571	/* We don't care about this profile for now... */
572	} else if (g_strncasecmp(ct, "text/x-msmsgsinitialemailnotification", 37) == 0) {
573	if (set_getbool(&ic->acc->set, "mail_notifications")) {
574	char *inbox = get_rfc822_header(body, "Inbox-Unread:", blen);
575	char *folders = get_rfc822_header(body, "Folders-Unread:", blen);
576
577	if (inbox && folders) {
578	imcb_log(ic,
579	"INBOX contains %s new messages, plus %s messages in other folders.", inbox,
580	folders);
581	}
582
583	g_free(inbox);
584	g_free(folders);
585	}
586	} else if (g_strncasecmp(ct, "text/x-msmsgsemailnotification", 30) == 0) {
587	if (set_getbool(&ic->acc->set, "mail_notifications")) {
588	char *from = get_rfc822_header(body, "From-Addr:", blen);
589	char *fromname = get_rfc822_header(body, "From:", blen);
590
591	if (from && fromname) {
592	imcb_log(ic, "Received an e-mail message from %s <%s>.", fromname,
593	from);
594	}
595
596	g_free(from);
597	g_free(fromname);
598	}
599	} else if (g_strncasecmp(ct, "text/x-msmsgsactivemailnotification", 35) == 0) {
600	} else if (g_strncasecmp(ct, "text/x-msmsgsinitialmdatanotification", 37) == 0 \|\|
601	g_strncasecmp(ct, "text/x-msmsgsoimnotification", 28) == 0) {
602	/* We received an offline message. Or at least notification
603	that there is one waiting for us. Fetching the message(s)
604	and purging them from the server is a lot of SOAPy work
605	not worth doing IMHO. Also I thought it was possible to
606	have the notification server send them directly, I was
607	pretty sure I saw Pidgin do it..
608
609	At least give a notification for now, seems like a
610	reasonable thing to do. Only problem is, they'll keep
611	coming back at login time until you read them using a
612	different client. :-( */
613
614	char *xml = get_rfc822_header(body, "Mail-Data:", blen);
615	struct xt_node md, m;
616
617	if (!xml) {
618	return 1;
619	}
620	md = xt_from_string(xml, 0);
621	if (!md) {
622	return 1;
623	}
624
625	for (m = md->children; (m = xt_find_node(m, "M")); m = m->next) {
626	struct xt_node *e = xt_find_node(m->children, "E");
627	struct xt_node *rt = xt_find_node(m->children, "RT");
628	struct tm tp;
629	time_t msgtime = 0;
630
631	if (!e \|\| !e->text) {
632	continue;
633	}
634
635	memset(&tp, 0, sizeof(tp));
636	if (rt && rt->text &&
637	sscanf(rt->text, "%4d-%2d-%2dT%2d:%2d:%2d.",
638	&tp.tm_year, &tp.tm_mon, &tp.tm_mday,
639	&tp.tm_hour, &tp.tm_min, &tp.tm_sec) == 6) {
640	tp.tm_year -= 1900;
641	tp.tm_mon--;
642	msgtime = mktime_utc(&tp);
643
644	}
645	imcb_buddy_msg(ic, e->text,
646	"<< \002BitlBee\002 - Received offline message. BitlBee can't show these. >>", 0,
647	msgtime);
648	}
649
650	g_free(xml);
651	xt_free_node(md);
652	} else {
653	debug("Can't handle %s packet from notification server", ct);
654	}
655
656	g_free(ct);
657	}
658	} else if (strcmp(cmd[0], "UBX") == 0) {
659	struct xt_node ubx, psm;
660	char *psm_text = NULL;
661
662	ubx = xt_from_string(msg, msglen);
663	if (ubx && strcmp(ubx->name, "Data") == 0 &&
664	(psm = xt_find_node(ubx->children, "PSM"))) {
665	psm_text = psm->text;
666	}
667
668	imcb_buddy_status_msg(ic, msn_normalize_handle(cmd[1]), psm_text);
669	xt_free_node(ubx);
670	} else if (strcmp(cmd[0], "ADL") == 0) {
671	struct xt_node adl, d, *c;
672
673	if (!(adl = xt_from_string(msg, msglen))) {
674	return 1;
675	}
676
677	for (d = adl->children; d; d = d->next) {
678	char *dn;
679	if (strcmp(d->name, "d") != 0 \|\|
680	(dn = xt_find_attr(d, "n")) == NULL) {
681	continue;
682	}
683	for (c = d->children; c; c = c->next) {
684	bee_user_t *bu;
685	struct msn_buddy_data *bd;
686	char cn, handle, f, l;
687	int flags;
688
689	if (strcmp(c->name, "c") != 0 \|\|
690	(l = xt_find_attr(c, "l")) == NULL \|\|
691	(cn = xt_find_attr(c, "n")) == NULL) {
692	continue;
693	}
694
695	/* FIXME: Use "t" here, guess I should just add it
696	as a prefix like elsewhere in the protocol. */
697	handle = g_strdup_printf("%s@%s", cn, dn);
698	if (!((bu = bee_user_by_handle(ic->bee, ic, handle)) \|\|
699	(bu = bee_user_new(ic->bee, ic, handle, 0)))) {
700	g_free(handle);
701	continue;
702	}
703	g_free(handle);
704	bd = bu->data;
705
706	if ((f = xt_find_attr(c, "f"))) {
707	http_decode(f);
708	imcb_rename_buddy(ic, bu->handle, f);
709	}
710
711	flags = atoi(l) & 15;
712	if (bd->flags != flags) {
713	bd->flags = flags;
714	msn_buddy_ask(bu);
715	}
716	}
717	}
718	} else if (strcmp(cmd[0], "UBM") == 0) {
719	/* This one will give us msgs from federated networks. Technically
720	it should also get us offline messages, but I don't know how
721	I can signal MSN servers to use it. */
722	char ct, handle;
723
724	if (strcmp(cmd[1], ic->acc->user) == 0) {
725	/* With MPOP, you'll get copies of your own msgs from other
726	sessions. Discard those at least for now. */
727	return 1;
728	}
729
730	ct = get_rfc822_header(msg, "Content-Type", msglen);
731	if (strncmp(ct, "text/plain", 10) != 0) {
732	/* Typing notification or something? */
733	g_free(ct);
734	return 1;
735	}
736	if (strcmp(cmd[2], "1") != 0) {
737	handle = g_strdup_printf("%s:%s", cmd[2], cmd[1]);
738	} else {
739	handle = g_strdup(cmd[1]);
740	}
741
742	imcb_buddy_msg(ic, handle, body, 0, 0);
743	g_free(handle);
744	}
745
746	return 1;
747	}
748
749	void msn_auth_got_passport_token(struct im_connection ic, const char token, const char *error)
750	{
751	struct msn_data *md;
752
753	/* Dead connection? */
754	if (g_slist_find(msn_connections, ic) == NULL) {
755	return;
756	}
757
758	md = ic->proto_data;
759
760	if (token) {
761	msn_ns_write(ic, -1, "USR %d SSO S %s %s {%s}\r\n", ++md->trId, md->tokens[0], token, md->uuid);
762	} else {
763	imcb_error(ic, "Error during Passport authentication: %s", error);
764	imc_logout(ic, TRUE);
765	}
766	}
767
768	void msn_auth_got_contact_list(struct im_connection *ic)
769	{
770	struct msn_data *md;
771
772	/* Dead connection? */
773	if (g_slist_find(msn_connections, ic) == NULL) {
774	return;
775	}
776
777	md = ic->proto_data;
778	msn_ns_write(ic, -1, "BLP %d %s\r\n", ++md->trId, "BL");
779	}
780
781	static gboolean msn_ns_send_adl_1(gpointer key, gpointer value, gpointer data)
782	{
783	struct xt_node adl = data, d, *c;
784	struct bee_user *bu = value;
785	struct msn_buddy_data *bd = bu->data;
786	struct msn_data *md = bu->ic->proto_data;
787	char handle[strlen(bu->handle) + 1];
788	char *domain;
789	char l[4];
790
791	if ((bd->flags & 7) == 0 \|\| (bd->flags & MSN_BUDDY_ADL_SYNCED)) {
792	return FALSE;
793	}
794
795	strcpy(handle, bu->handle);
796	if ((domain = strchr(handle, '@')) == NULL) { /* WTF */
797	return FALSE;
798	}
799	*domain = '\0';
800	domain++;
801
802	if ((d = adl->children) == NULL \|\|
803	g_strcasecmp(xt_find_attr(d, "n"), domain) != 0) {
804	d = xt_new_node("d", NULL, NULL);
805	xt_add_attr(d, "n", domain);
806	xt_insert_child(adl, d);
807	}
808
809	g_snprintf(l, sizeof(l), "%d", bd->flags & 7);
810	c = xt_new_node("c", NULL, NULL);
811	xt_add_attr(c, "n", handle);
812	xt_add_attr(c, "l", l);
813	xt_add_attr(c, "t", "1"); /* FIXME: Network type, i.e. 32 for Y!MSG */
814	xt_insert_child(d, c);
815
816	/* Do this in batches of 100. */
817	bd->flags \|= MSN_BUDDY_ADL_SYNCED;
818	return (--md->adl_todo % 140) == 0;
819	}
820
821	static void msn_ns_send_adl(struct im_connection *ic)
822	{
823	struct xt_node *adl;
824	struct msn_data *md = ic->proto_data;
825	char *adls;
826
827	adl = xt_new_node("ml", NULL, NULL);
828	xt_add_attr(adl, "l", "1");
829	g_tree_foreach(md->domaintree, msn_ns_send_adl_1, adl);
830	if (adl->children == NULL) {
831	/* This tells the caller that we're done now. */
832	md->adl_todo = -1;
833	xt_free_node(adl);
834	return;
835	}
836
837	adls = xt_to_string(adl);
838	xt_free_node(adl);
839	msn_ns_write(ic, -1, "ADL %d %zd\r\n%s", ++md->trId, strlen(adls), adls);
840	g_free(adls);
841	}
842
843	static void msn_ns_send_adl_start(struct im_connection *ic)
844	{
845	struct msn_data *md;
846	GSList *l;
847
848	/* Dead connection? */
849	if (g_slist_find(msn_connections, ic) == NULL) {
850	return;
851	}
852
853	md = ic->proto_data;
854	md->adl_todo = 0;
855	for (l = ic->bee->users; l; l = l->next) {
856	bee_user_t *bu = l->data;
857	struct msn_buddy_data *bd = bu->data;
858
859	if (bu->ic != ic \|\| (bd->flags & 7) == 0) {
860	continue;
861	}
862
863	bd->flags &= ~MSN_BUDDY_ADL_SYNCED;
864	md->adl_todo++;
865	}
866
867	msn_ns_send_adl(ic);
868	}
869
870	int msn_ns_finish_login(struct im_connection *ic)
871	{
872	struct msn_data *md = ic->proto_data;
873
874	if (ic->flags & OPT_LOGGED_IN) {
875	return 1;
876	}
877
878	if (md->adl_todo < 0) {
879	md->flags \|= MSN_DONE_ADL;
880	}
881
882	if ((md->flags & MSN_DONE_ADL) && (md->flags & MSN_GOT_PROFILE)) {
883	if (md->flags & MSN_EMAIL_UNVERIFIED) {
884	imcb_connected(ic);
885	} else {
886	return msn_ns_set_display_name(ic, set_getstr(&ic->acc->set, "display_name"));
887	}
888	}
889
890	return 1;
891	}
892
893	int msn_ns_sendmessage(struct im_connection ic, bee_user_t bu, const char *text)
894	{
895	struct msn_data *md = ic->proto_data;
896	int type = 0;
897	char buf, handle;
898
899	if (strncmp(text, "\r\r\r", 3) == 0) {
900	/* Err. Shouldn't happen but I guess it can. Don't send others
901	any of the "SHAKE THAT THING" messages. :-D */
902	return 1;
903	}
904
905	/* This might be a federated contact. Get its network number,
906	prefixed to bu->handle with a colon. Default is 1. */
907	for (handle = bu->handle; g_ascii_isdigit(*handle); handle++) {
908	type = type * 10 + *handle - '0';
909	}
910	if (*handle == ':') {
911	handle++;
912	} else {
913	type = 1;
914	}
915
916	buf = g_strdup_printf("%s%s", MSN_MESSAGE_HEADERS, text);
917
918	if (msn_ns_write(ic, -1, "UUM %d %s %d %d %zd\r\n%s",
919	++md->trId, handle, type,
920	1, /* type == IM (not nudge/typing) */
921	strlen(buf), buf)) {
922	return 1;
923	} else {
924	return 0;
925	}
926	}
927
928	void msn_ns_oim_send_queue(struct im_connection ic, GSList *msgq)
929	{
930	GSList *l;
931
932	for (l = *msgq; l; l = l->next) {
933	struct msn_message *m = l->data;
934	bee_user_t *bu = bee_user_by_handle(ic->bee, ic, m->who);
935
936	if (bu) {
937	if (!msn_ns_sendmessage(ic, bu, m->text)) {
938	return;
939	}
940	}
941	}
942
943	while (*msgq != NULL) {
944	struct msn_message m = (msgq)->data;
945
946	msgq = g_slist_remove(msgq, m);
947	g_free(m->who);
948	g_free(m->text);
949	g_free(m);
950	}
951	}

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source: protocols/msn/ns.c @ 1522faf

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