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source: protocols/msn/ns.c @ 913a663

Last change on this file since 913a663 was 913a663, checked in by dequis <dx@…>, at 2015-04-10T17:10:41Z
msn: implement the rest of the http gateway support, enable by default
Property mode set to `100644`
File size: 16.8 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
41	int msn_ns_write(struct im_connection ic, int fd, const char fmt, ...)
42	{
43	struct msn_data *md = ic->proto_data;
44	va_list params;
45	char *out;
46	size_t len;
47	int st;
48
49	va_start(params, fmt);
50	out = g_strdup_vprintf(fmt, params);
51	va_end(params);
52
53	if (fd < 0) {
54	fd = md->fd;
55	}
56
57	if (getenv("BITLBEE_DEBUG")) {
58	fprintf(stderr, "\x1b[91m>>>[NS%d] %s\n\x1b[97m", fd, 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 = write(fd, 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 *handler = ic->proto_data;
83
84	if (handler->fd >= 0) {
85	closesocket(handler->fd);
86	}
87
88	if (handler->is_http) {
89	handler->gw = msn_gw_new(handler);
90	handler->gw->callback = msn_ns_callback;
91	msn_ns_connected(handler, -1, B_EV_IO_READ);
92	} else {
93	handler->fd = proxy_connect(host, port, msn_ns_connected, handler);
94	if (handler->fd < 0) {
95	imcb_error(ic, "Could not connect to server");
96	imc_logout(ic, TRUE);
97	return FALSE;
98	}
99	}
100
101	return TRUE;
102	}
103
104	static gboolean msn_ns_connected(gpointer data, gint source, b_input_condition cond)
105	{
106	struct msn_data *md = data;
107	struct msn_data *handler = md;
108	struct im_connection *ic = md->ic;
109
110	if (source == -1 && !md->is_http) {
111	imcb_error(ic, "Could not connect to server");
112	imc_logout(ic, TRUE);
113	return FALSE;
114	}
115
116	g_free(handler->rxq);
117	handler->rxlen = 0;
118	handler->rxq = g_new0(char, 1);
119
120	if (md->uuid == NULL) {
121	struct utsname name;
122	sha1_state_t sha[1];
123
124	/* UUID == SHA1("BitlBee" + my hostname + MSN username) */
125	sha1_init(sha);
126	sha1_append(sha, (void *) "BitlBee", 7);
127	if (uname(&name) == 0) {
128	sha1_append(sha, (void *) name.nodename, strlen(name.nodename));
129	}
130	sha1_append(sha, (void *) ic->acc->user, strlen(ic->acc->user));
131	md->uuid = sha1_random_uuid(sha);
132	memcpy(md->uuid, "b171be3e", 8); /* :-P */
133	}
134
135	if (msn_ns_write(ic, source, "VER %d %s CVR0\r\n", ++md->trId, MSNP_VER)) {
136	if (!handler->is_http) {
137	handler->inpa = b_input_add(handler->fd, B_EV_IO_READ, msn_ns_callback, handler);
138	}
139	imcb_log(ic, "Connected to server, waiting for reply");
140	}
141
142	return FALSE;
143	}
144
145	void msn_ns_close(struct msn_data *handler)
146	{
147	if (handler->gw) {
148	if (handler->gw->waiting) {
149	/* mark it as closed, let the request callback clean it */
150	handler->gw->open = FALSE;
151	} else {
152	msn_gw_free(handler->gw);
153	}
154	}
155	if (handler->fd >= 0) {
156	closesocket(handler->fd);
157	b_event_remove(handler->inpa);
158	}
159
160	handler->fd = handler->inpa = -1;
161	g_free(handler->rxq);
162	g_free(handler->cmd_text);
163
164	handler->rxlen = 0;
165	handler->rxq = NULL;
166	handler->cmd_text = NULL;
167	}
168
169	static gboolean msn_ns_callback(gpointer data, gint source, b_input_condition cond)
170	{
171	struct msn_data *handler = data;
172	struct im_connection *ic = handler->ic;
173	char *bytes;
174	int st;
175
176	if (handler->is_http) {
177	st = msn_gw_read(handler->gw, &bytes);
178	} else {
179	bytes = g_malloc(1024);
180	st = read(handler->fd, bytes, 1024);
181	}
182
183	if (st <= 0) {
184	imcb_error(ic, "Error while reading from server");
185	imc_logout(ic, TRUE);
186	return FALSE;
187	}
188
189	msn_queue_feed(handler, bytes, st);
190
191	g_free(bytes);
192
193	/* Ignore ret == 0, it's already disconnected then. */
194	msn_handler(handler);
195
196	return TRUE;
197
198	}
199
200	int msn_ns_command(struct msn_data handler, char *cmd, int num_parts)
201	{
202	struct im_connection *ic = handler->ic;
203	struct msn_data *md = handler;
204
205	if (num_parts == 0) {
206	/* Hrrm... Empty command...? Ignore? */
207	return(1);
208	}
209
210	if (strcmp(cmd[0], "VER") == 0) {
211	if (cmd[2] && strncmp(cmd[2], MSNP_VER, 5) != 0) {
212	imcb_error(ic, "Unsupported protocol");
213	imc_logout(ic, FALSE);
214	return(0);
215	}
216
217	return(msn_ns_write(ic, handler->fd, "CVR %d 0x0409 mac 10.2.0 ppc macmsgs 3.5.1 macmsgs %s VmVyc2lvbjogMQ0KWGZyQ291bnQ6IDINClhmclNlbnRVVENUaW1lOiA2MzU2MTQ3OTU5NzgzOTAwMDANCklzR2VvWGZyOiB0cnVlDQo=\r\n",
218	++md->trId, ic->acc->user));
219	} else if (strcmp(cmd[0], "CVR") == 0) {
220	/* We don't give a damn about the information we just received */
221	return msn_ns_write(ic, handler->fd, "USR %d SSO I %s\r\n", ++md->trId, ic->acc->user);
222	} else if (strcmp(cmd[0], "XFR") == 0) {
223	char *server;
224	int port;
225
226	if (num_parts >= 6 && strcmp(cmd[2], "NS") == 0) {
227	b_event_remove(handler->inpa);
228	handler->inpa = -1;
229
230	server = strchr(cmd[3], ':');
231	if (!server) {
232	imcb_error(ic, "Syntax error");
233	imc_logout(ic, TRUE);
234	return(0);
235	}
236	*server = 0;
237	port = atoi(server + 1);
238	server = cmd[3];
239
240	imcb_log(ic, "Transferring to other server");
241	return msn_ns_connect(ic, server, port);
242	} else {
243	imcb_error(ic, "Syntax error");
244	imc_logout(ic, TRUE);
245	return(0);
246	}
247	} else if (strcmp(cmd[0], "USR") == 0) {
248	if (num_parts >= 6 && strcmp(cmd[2], "SSO") == 0 &&
249	strcmp(cmd[3], "S") == 0) {
250	g_free(md->pp_policy);
251	md->pp_policy = g_strdup(cmd[4]);
252	msn_soap_passport_sso_request(ic, cmd[5]);
253	} else if (strcmp(cmd[2], "OK") == 0) {
254	/* If the number after the handle is 0, the e-mail
255	address is unverified, which means we can't change
256	the display name. */
257	if (cmd[4][0] == '0') {
258	md->flags \|= MSN_EMAIL_UNVERIFIED;
259	}
260
261	imcb_log(ic, "Authenticated, getting buddy list");
262	msn_soap_memlist_request(ic);
263	} else {
264	imcb_error(ic, "Unknown authentication type");
265	imc_logout(ic, FALSE);
266	return(0);
267	}
268	} else if (strcmp(cmd[0], "MSG") == 0) {
269	if (num_parts < 4) {
270	imcb_error(ic, "Syntax error");
271	imc_logout(ic, TRUE);
272	return(0);
273	}
274
275	handler->msglen = atoi(cmd[3]);
276
277	if (handler->msglen <= 0) {
278	imcb_error(ic, "Syntax error");
279	imc_logout(ic, TRUE);
280	return(0);
281	}
282	} else if (strcmp(cmd[0], "ADL") == 0) {
283	if (num_parts >= 3 && strcmp(cmd[2], "OK") == 0) {
284	msn_ns_send_adl(ic);
285	return msn_ns_finish_login(ic);
286	} else if (num_parts >= 3) {
287	handler->msglen = atoi(cmd[2]);
288	}
289	} else if (strcmp(cmd[0], "CHL") == 0) {
290	char *resp;
291	int st;
292
293	if (num_parts < 3) {
294	imcb_error(ic, "Syntax error");
295	imc_logout(ic, TRUE);
296	return(0);
297	}
298
299	resp = msn_p11_challenge(cmd[2]);
300
301	st = msn_ns_write(ic, -1, "QRY %d %s %zd\r\n%s",
302	++md->trId, MSNP11_PROD_ID,
303	strlen(resp), resp);
304	g_free(resp);
305	return st;
306	} else if (strcmp(cmd[0], "OUT") == 0) {
307	int allow_reconnect = TRUE;
308
309	if (cmd[1] && strcmp(cmd[1], "OTH") == 0) {
310	imcb_error(ic, "Someone else logged in with your account");
311	allow_reconnect = FALSE;
312	} else if (cmd[1] && strcmp(cmd[1], "SSD") == 0) {
313	imcb_error(ic, "Terminating session because of server shutdown");
314	} else {
315	imcb_error(ic, "Session terminated by remote server (%s)",
316	cmd[1] ? cmd[1] : "reason unknown)");
317	}
318
319	imc_logout(ic, allow_reconnect);
320	return(0);
321	} else if (strcmp(cmd[0], "GCF") == 0) {
322	/* Coming up is cmd[2] bytes of stuff we're supposed to
323	censore. Meh. */
324	handler->msglen = atoi(cmd[2]);
325	} else if ((strcmp(cmd[0], "NFY") == 0) \|\| (strcmp(cmd[0], "SDG") == 0)) {
326	if (num_parts >= 3) {
327	handler->msglen = atoi(cmd[2]);
328	}
329	} else if (strcmp(cmd[0], "QNG") == 0) {
330	ic->flags \|= OPT_PONGED;
331	} else if (g_ascii_isdigit(cmd[0][0])) {
332	int num = atoi(cmd[0]);
333	const struct msn_status_code *err = msn_status_by_number(num);
334
335	imcb_error(ic, "Error reported by MSN server: %s", err->text);
336
337	if (err->flags & STATUS_FATAL) {
338	imc_logout(ic, TRUE);
339	return(0);
340	}
341
342	/* Oh yes, errors can have payloads too now. Discard them for now. */
343	if (num_parts >= 3) {
344	handler->msglen = atoi(cmd[2]);
345	}
346	} else {
347	imcb_error(ic, "Received unknown command from main server: %s", cmd[0]);
348	}
349
350	return(1);
351	}
352
353	int msn_ns_message(struct msn_data handler, char msg, int msglen, char **cmd, int num_parts)
354	{
355	struct im_connection *ic = handler->ic;
356	char *body;
357	int blen = 0;
358
359	if (!num_parts) {
360	return(1);
361	}
362
363	if ((body = strstr(msg, "\r\n\r\n"))) {
364	body += 4;
365	blen = msglen - (body - msg);
366	}
367
368	if (strcmp(cmd[0], "MSG") == 0) {
369	if (g_strcasecmp(cmd[1], "Hotmail") == 0) {
370	char *ct = get_rfc822_header(msg, "Content-Type:", msglen);
371
372	if (!ct) {
373	return(1);
374	}
375
376	if (g_strncasecmp(ct, "application/x-msmsgssystemmessage", 33) == 0) {
377	char *mtype;
378	char *arg1;
379
380	if (!body) {
381	return(1);
382	}
383
384	mtype = get_rfc822_header(body, "Type:", blen);
385	arg1 = get_rfc822_header(body, "Arg1:", blen);
386
387	if (mtype && strcmp(mtype, "1") == 0) {
388	if (arg1) {
389	imcb_log(ic, "The server is going down for maintenance in %s minutes.",
390	arg1);
391	}
392	}
393
394	g_free(arg1);
395	g_free(mtype);
396	} else if (g_strncasecmp(ct, "text/x-msmsgsprofile", 20) == 0) {
397	/* We don't care about this profile for now... */
398	} else if (g_strncasecmp(ct, "text/x-msmsgsinitialemailnotification", 37) == 0) {
399	if (set_getbool(&ic->acc->set, "mail_notifications")) {
400	char *inbox = get_rfc822_header(body, "Inbox-Unread:", blen);
401	char *folders = get_rfc822_header(body, "Folders-Unread:", blen);
402
403	if (inbox && folders) {
404	imcb_log(ic,
405	"INBOX contains %s new messages, plus %s messages in other folders.", inbox,
406	folders);
407	}
408
409	g_free(inbox);
410	g_free(folders);
411	}
412	} else if (g_strncasecmp(ct, "text/x-msmsgsemailnotification", 30) == 0) {
413	if (set_getbool(&ic->acc->set, "mail_notifications")) {
414	char *from = get_rfc822_header(body, "From-Addr:", blen);
415	char *fromname = get_rfc822_header(body, "From:", blen);
416
417	if (from && fromname) {
418	imcb_log(ic, "Received an e-mail message from %s <%s>.", fromname,
419	from);
420	}
421
422	g_free(from);
423	g_free(fromname);
424	}
425	} else if (g_strncasecmp(ct, "text/x-msmsgsactivemailnotification", 35) == 0) {
426	/* Notification that a message has been read... Ignore it */
427	} else {
428	debug("Can't handle %s packet from notification server", ct);
429	}
430
431	g_free(ct);
432	}
433	} else if (strcmp(cmd[0], "ADL") == 0) {
434	struct xt_node adl, d, *c;
435
436	if (!(adl = xt_from_string(msg, msglen))) {
437	return 1;
438	}
439
440	for (d = adl->children; d; d = d->next) {
441	char *dn;
442	if (strcmp(d->name, "d") != 0 \|\|
443	(dn = xt_find_attr(d, "n")) == NULL) {
444	continue;
445	}
446	for (c = d->children; c; c = c->next) {
447	bee_user_t *bu;
448	struct msn_buddy_data *bd;
449	char cn, handle, f, l;
450	int flags;
451
452	if (strcmp(c->name, "c") != 0 \|\|
453	(l = xt_find_attr(c, "l")) == NULL \|\|
454	(cn = xt_find_attr(c, "n")) == NULL) {
455	continue;
456	}
457
458	/* FIXME: Use "t" here, guess I should just add it
459	as a prefix like elsewhere in the protocol. */
460	handle = g_strdup_printf("%s@%s", cn, dn);
461	if (!((bu = bee_user_by_handle(ic->bee, ic, handle)) \|\|
462	(bu = bee_user_new(ic->bee, ic, handle, 0)))) {
463	g_free(handle);
464	continue;
465	}
466	g_free(handle);
467	bd = bu->data;
468
469	if ((f = xt_find_attr(c, "f"))) {
470	http_decode(f);
471	imcb_rename_buddy(ic, bu->handle, f);
472	}
473
474	flags = atoi(l) & 15;
475	if (bd->flags != flags) {
476	bd->flags = flags;
477	msn_buddy_ask(bu);
478	}
479	}
480	}
481	} else if (strcmp(cmd[0], "SDG") == 0) {
482	char **parts = g_strsplit(msg, "\r\n\r\n", 4);
483	char *from = NULL;
484	char *mt = NULL;
485	char *who = NULL;
486	char *s = NULL;
487
488	if ((from = get_rfc822_header(parts[0], "From", 0)) &&
489	(mt = get_rfc822_header(parts[2], "Message-Type", 0)) &&
490	(s = strchr(from, ';'))) {
491
492	who = g_strndup(from + 2, s - from - 2);
493
494	if (strcmp(mt, "Control/Typing") == 0) {
495	imcb_buddy_typing(ic, who, OPT_TYPING);
496	} else if (strcmp(mt, "Text") == 0) {
497	imcb_buddy_msg(ic, who, parts[3], 0, 0);
498	}
499	}
500	g_free(from);
501	g_free(mt);
502	g_free(who);
503	return 1;
504	}
505
506	return 1;
507	}
508
509	void msn_auth_got_passport_token(struct im_connection ic, const char token, const char *error)
510	{
511	struct msn_data *md;
512
513	/* Dead connection? */
514	if (g_slist_find(msn_connections, ic) == NULL) {
515	return;
516	}
517
518	md = ic->proto_data;
519
520	if (token) {
521	msn_ns_write(ic, -1, "USR %d SSO S %s %s {%s}\r\n", ++md->trId, md->tokens[0], token, md->uuid);
522	} else {
523	imcb_error(ic, "Error during Passport authentication: %s", error);
524	imc_logout(ic, TRUE);
525	}
526	}
527
528	void msn_auth_got_contact_list(struct im_connection *ic)
529	{
530	/* Dead connection? */
531	if (g_slist_find(msn_connections, ic) == NULL) {
532	return;
533	}
534
535	msn_ns_send_adl_start(ic);
536	msn_ns_finish_login(ic);
537	}
538
539	static gboolean msn_ns_send_adl_1(gpointer key, gpointer value, gpointer data)
540	{
541	struct xt_node adl = data, d, c, s;
542	struct bee_user *bu = value;
543	struct msn_buddy_data *bd = bu->data;
544	struct msn_data *md = bu->ic->proto_data;
545	char handle[strlen(bu->handle) + 1];
546	char *domain;
547	char l[4];
548
549	if ((bd->flags & 7) == 0 \|\| (bd->flags & MSN_BUDDY_ADL_SYNCED)) {
550	return FALSE;
551	}
552
553	strcpy(handle, bu->handle);
554	if ((domain = strchr(handle, '@')) == NULL) { /* WTF */
555	return FALSE;
556	}
557	*domain = '\0';
558	domain++;
559
560	if ((d = adl->children) == NULL \|\|
561	g_strcasecmp(xt_find_attr(d, "n"), domain) != 0) {
562	d = xt_new_node("d", NULL, NULL);
563	xt_add_attr(d, "n", domain);
564	xt_insert_child(adl, d);
565	}
566
567	g_snprintf(l, sizeof(l), "%d", bd->flags & 7);
568	c = xt_new_node("c", NULL, NULL);
569	xt_add_attr(c, "n", handle);
570	xt_add_attr(c, "t", "1"); /* FIXME: Network type, i.e. 32 for Y!MSG */
571	s = xt_new_node("s", NULL, NULL);
572	xt_add_attr(s, "n", "IM");
573	xt_add_attr(s, "l", l);
574	xt_insert_child(c, s);
575	xt_insert_child(d, c);
576
577	/* Do this in batches of 100. */
578	bd->flags \|= MSN_BUDDY_ADL_SYNCED;
579	return (--md->adl_todo % 140) == 0;
580	}
581
582	static void msn_ns_send_adl(struct im_connection *ic)
583	{
584	struct xt_node *adl;
585	struct msn_data *md = ic->proto_data;
586	char *adls;
587
588	adl = xt_new_node("ml", NULL, NULL);
589	xt_add_attr(adl, "l", "1");
590	g_tree_foreach(md->domaintree, msn_ns_send_adl_1, adl);
591	if (adl->children == NULL) {
592	/* This tells the caller that we're done now. */
593	md->adl_todo = -1;
594	xt_free_node(adl);
595	return;
596	}
597
598	adls = xt_to_string(adl);
599	xt_free_node(adl);
600	msn_ns_write(ic, -1, "ADL %d %zd\r\n%s", ++md->trId, strlen(adls), adls);
601	g_free(adls);
602	}
603
604	static void msn_ns_send_adl_start(struct im_connection *ic)
605	{
606	struct msn_data *md;
607	GSList *l;
608
609	/* Dead connection? */
610	if (g_slist_find(msn_connections, ic) == NULL) {
611	return;
612	}
613
614	md = ic->proto_data;
615	md->adl_todo = 0;
616	for (l = ic->bee->users; l; l = l->next) {
617	bee_user_t *bu = l->data;
618	struct msn_buddy_data *bd = bu->data;
619
620	if (bu->ic != ic \|\| (bd->flags & 7) == 0) {
621	continue;
622	}
623
624	bd->flags &= ~MSN_BUDDY_ADL_SYNCED;
625	md->adl_todo++;
626	}
627
628	msn_ns_send_adl(ic);
629	}
630
631	int msn_ns_finish_login(struct im_connection *ic)
632	{
633	struct msn_data *md = ic->proto_data;
634
635	if (ic->flags & OPT_LOGGED_IN) {
636	return 1;
637	}
638
639	if (md->adl_todo < 0) {
640	md->flags \|= MSN_DONE_ADL;
641	}
642
643	if ((md->flags & MSN_DONE_ADL) && (md->flags & MSN_GOT_PROFILE)) {
644	imcb_connected(ic);
645	}
646
647	return 1;
648	}
649
650	// TODO: typing notifications, nudges lol, etc
651	int msn_ns_sendmessage(struct im_connection ic, bee_user_t bu, const char *text)
652	{
653	struct msn_data *md = ic->proto_data;
654	int retval = 0;
655	char *buf;
656
657	if (strncmp(text, "\r\r\r", 3) == 0) {
658	/* Err. Shouldn't happen but I guess it can. Don't send others
659	any of the "SHAKE THAT THING" messages. :-D */
660	return 1;
661	}
662
663	buf = g_strdup_printf(MSN_MESSAGE_HEADERS, bu->handle, ic->acc->user, md->uuid, strlen(text), text);
664	retval = msn_ns_write(ic, -1, "SDG %d %zd\r\n%s", ++md->trId, strlen(buf), buf);
665	g_free(buf);
666	return retval;
667	}

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