seamless.c@ 42681

Last change on this file since 42681 was 37224, checked in by vboxsync, 14 years ago
RDP/client: fix OSE
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 9.9 KB

Line
1	/* -- c-basic-offset: 8 --
2	rdesktop: A Remote Desktop Protocol client.
3	Seamless Windows support
4	Copyright 2005-2008 Peter Astrand <astrand@cendio.se> for Cendio AB
5	Copyright 2007-2008 Pierre Ossman <ossman@cendio.se> for Cendio AB
6
7	This program is free software: you can redistribute it and/or modify
8	it under the terms of the GNU General Public License as published by
9	the Free Software Foundation, either version 3 of the License, or
10	(at your option) any later version.
11
12	This program is distributed in the hope that it will be useful,
13	but WITHOUT ANY WARRANTY; without even the implied warranty of
14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	GNU General Public License for more details.
16
17	You should have received a copy of the GNU General Public License
18	along with this program. If not, see <http://www.gnu.org/licenses/>.
19	*/
20
21	/*
22	* Oracle GPL Disclaimer: For the avoidance of doubt, except that if any license choice
23	* other than GPL or LGPL is available it will apply instead, Oracle elects to use only
24	* the General Public License version 2 (GPLv2) at this time for any software where
25	* a choice of GPL license versions is made available with the language indicating
26	* that GPLv2 or any later version may be used, or where a choice of which version
27	* of the GPL is applied is otherwise unspecified.
28	*/
29
30	#include "rdesktop.h"
31	#include <stdarg.h>
32	#include <assert.h>
33
34	#ifdef WITH_DEBUG_SEAMLESS
35	#define DEBUG_SEAMLESS(args) printf args;
36	#else
37	#define DEBUG_SEAMLESS(args)
38	#endif
39
40	extern RD_BOOL g_seamless_rdp;
41	static VCHANNEL *seamless_channel;
42	static unsigned int seamless_serial;
43	static char icon_buf[1024];
44
45	static char *
46	seamless_get_token(char **s)
47	{
48	char comma, head;
49	head = *s;
50
51	if (!head)
52	return NULL;
53
54	comma = strchr(head, ',');
55	if (comma)
56	{
57	*comma = '\0';
58	*s = comma + 1;
59	}
60	else
61	{
62	*s = NULL;
63	}
64
65	return head;
66	}
67
68
69	static RD_BOOL
70	seamless_process_line(const char line, void data)
71	{
72	char p, l;
73	char tok1, tok2, tok3, tok4, tok5, tok6, tok7, tok8;
74	unsigned long id, flags;
75	char *endptr;
76
77	l = xstrdup(line);
78	p = l;
79
80	DEBUG_SEAMLESS(("seamlessrdp got:%s\n", p));
81
82	tok1 = seamless_get_token(&p);
83	tok2 = seamless_get_token(&p);
84	tok3 = seamless_get_token(&p);
85	tok4 = seamless_get_token(&p);
86	tok5 = seamless_get_token(&p);
87	tok6 = seamless_get_token(&p);
88	tok7 = seamless_get_token(&p);
89	tok8 = seamless_get_token(&p);
90
91	if (!strcmp("CREATE", tok1))
92	{
93	unsigned long group, parent;
94	if (!tok6)
95	return False;
96
97	id = strtoul(tok3, &endptr, 0);
98	if (*endptr)
99	return False;
100
101	group = strtoul(tok4, &endptr, 0);
102	if (*endptr)
103	return False;
104
105	parent = strtoul(tok5, &endptr, 0);
106	if (*endptr)
107	return False;
108
109	flags = strtoul(tok6, &endptr, 0);
110	if (*endptr)
111	return False;
112
113	ui_seamless_create_window(id, group, parent, flags);
114	}
115	else if (!strcmp("DESTROY", tok1))
116	{
117	if (!tok4)
118	return False;
119
120	id = strtoul(tok3, &endptr, 0);
121	if (*endptr)
122	return False;
123
124	flags = strtoul(tok4, &endptr, 0);
125	if (*endptr)
126	return False;
127
128	ui_seamless_destroy_window(id, flags);
129
130	}
131	else if (!strcmp("DESTROYGRP", tok1))
132	{
133	if (!tok4)
134	return False;
135
136	id = strtoul(tok3, &endptr, 0);
137	if (*endptr)
138	return False;
139
140	flags = strtoul(tok4, &endptr, 0);
141	if (*endptr)
142	return False;
143
144	ui_seamless_destroy_group(id, flags);
145	}
146	else if (!strcmp("SETICON", tok1))
147	{
148	int chunk, width, height, len;
149	char byte[3];
150
151	if (!tok8)
152	return False;
153
154	id = strtoul(tok3, &endptr, 0);
155	if (*endptr)
156	return False;
157
158	chunk = strtoul(tok4, &endptr, 0);
159	if (*endptr)
160	return False;
161
162	width = strtoul(tok6, &endptr, 0);
163	if (*endptr)
164	return False;
165
166	height = strtoul(tok7, &endptr, 0);
167	if (*endptr)
168	return False;
169
170	byte[2] = '\0';
171	len = 0;
172	while (*tok8 != '\0')
173	{
174	byte[0] = *tok8;
175	tok8++;
176	if (*tok8 == '\0')
177	return False;
178	byte[1] = *tok8;
179	tok8++;
180
181	icon_buf[len] = strtol(byte, NULL, 16);
182	len++;
183	}
184
185	ui_seamless_seticon(id, tok5, width, height, chunk, icon_buf, len);
186	}
187	else if (!strcmp("DELICON", tok1))
188	{
189	int width, height;
190
191	if (!tok6)
192	return False;
193
194	id = strtoul(tok3, &endptr, 0);
195	if (*endptr)
196	return False;
197
198	width = strtoul(tok5, &endptr, 0);
199	if (*endptr)
200	return False;
201
202	height = strtoul(tok6, &endptr, 0);
203	if (*endptr)
204	return False;
205
206	ui_seamless_delicon(id, tok4, width, height);
207	}
208	else if (!strcmp("POSITION", tok1))
209	{
210	int x, y, width, height;
211
212	if (!tok8)
213	return False;
214
215	id = strtoul(tok3, &endptr, 0);
216	if (*endptr)
217	return False;
218
219	x = strtol(tok4, &endptr, 0);
220	if (*endptr)
221	return False;
222	y = strtol(tok5, &endptr, 0);
223	if (*endptr)
224	return False;
225
226	width = strtol(tok6, &endptr, 0);
227	if (*endptr)
228	return False;
229	height = strtol(tok7, &endptr, 0);
230	if (*endptr)
231	return False;
232
233	flags = strtoul(tok8, &endptr, 0);
234	if (*endptr)
235	return False;
236
237	ui_seamless_move_window(id, x, y, width, height, flags);
238	}
239	else if (!strcmp("ZCHANGE", tok1))
240	{
241	unsigned long behind;
242
243	id = strtoul(tok3, &endptr, 0);
244	if (*endptr)
245	return False;
246
247	behind = strtoul(tok4, &endptr, 0);
248	if (*endptr)
249	return False;
250
251	flags = strtoul(tok5, &endptr, 0);
252	if (*endptr)
253	return False;
254
255	ui_seamless_restack_window(id, behind, flags);
256	}
257	else if (!strcmp("TITLE", tok1))
258	{
259	if (!tok5)
260	return False;
261
262	id = strtoul(tok3, &endptr, 0);
263	if (*endptr)
264	return False;
265
266	flags = strtoul(tok5, &endptr, 0);
267	if (*endptr)
268	return False;
269
270	ui_seamless_settitle(id, tok4, flags);
271	}
272	else if (!strcmp("STATE", tok1))
273	{
274	unsigned int state;
275
276	if (!tok5)
277	return False;
278
279	id = strtoul(tok3, &endptr, 0);
280	if (*endptr)
281	return False;
282
283	state = strtoul(tok4, &endptr, 0);
284	if (*endptr)
285	return False;
286
287	flags = strtoul(tok5, &endptr, 0);
288	if (*endptr)
289	return False;
290
291	ui_seamless_setstate(id, state, flags);
292	}
293	else if (!strcmp("DEBUG", tok1))
294	{
295	DEBUG_SEAMLESS(("SeamlessRDP:%s\n", line));
296	}
297	else if (!strcmp("SYNCBEGIN", tok1))
298	{
299	if (!tok3)
300	return False;
301
302	flags = strtoul(tok3, &endptr, 0);
303	if (*endptr)
304	return False;
305
306	ui_seamless_syncbegin(flags);
307	}
308	else if (!strcmp("SYNCEND", tok1))
309	{
310	if (!tok3)
311	return False;
312
313	flags = strtoul(tok3, &endptr, 0);
314	if (*endptr)
315	return False;
316
317	/* do nothing, currently */
318	}
319	else if (!strcmp("HELLO", tok1))
320	{
321	if (!tok3)
322	return False;
323
324	flags = strtoul(tok3, &endptr, 0);
325	if (*endptr)
326	return False;
327
328	ui_seamless_begin(! !(flags & SEAMLESSRDP_HELLO_HIDDEN));
329	}
330	else if (!strcmp("ACK", tok1))
331	{
332	unsigned int serial;
333
334	serial = strtoul(tok3, &endptr, 0);
335	if (*endptr)
336	return False;
337
338	ui_seamless_ack(serial);
339	}
340	else if (!strcmp("HIDE", tok1))
341	{
342	if (!tok3)
343	return False;
344
345	flags = strtoul(tok3, &endptr, 0);
346	if (*endptr)
347	return False;
348
349	ui_seamless_hide_desktop();
350	}
351	else if (!strcmp("UNHIDE", tok1))
352	{
353	if (!tok3)
354	return False;
355
356	flags = strtoul(tok3, &endptr, 0);
357	if (*endptr)
358	return False;
359
360	ui_seamless_unhide_desktop();
361	}
362
363
364	xfree(l);
365	return True;
366	}
367
368
369	static RD_BOOL
370	seamless_line_handler(const char line, void data)
371	{
372	if (!seamless_process_line(line, data))
373	{
374	warning("SeamlessRDP: Invalid request:%s\n", line);
375	}
376	return True;
377	}
378
379
380	static void
381	seamless_process(STREAM s)
382	{
383	unsigned int pkglen;
384	static char *rest = NULL;
385	char *buf;
386
387	pkglen = s->end - s->p;
388	/* str_handle_lines requires null terminated strings */
389	buf = xmalloc(pkglen + 1);
390	STRNCPY(buf, (char *) s->p, pkglen + 1);
391	#if 0
392	printf("seamless recv:\n");
393	hexdump(s->p, pkglen);
394	#endif
395
396	str_handle_lines(buf, &rest, seamless_line_handler, NULL);
397
398	xfree(buf);
399	}
400
401
402	RD_BOOL
403	seamless_init(void)
404	{
405	if (!g_seamless_rdp)
406	return False;
407
408	seamless_serial = 0;
409
410	seamless_channel =
411	channel_register("seamrdp", CHANNEL_OPTION_INITIALIZED \| CHANNEL_OPTION_ENCRYPT_RDP,
412	seamless_process);
413	return (seamless_channel != NULL);
414	}
415
416
417	static unsigned int
418	seamless_send(const char command, const char format, ...)
419	{
420	STREAM s;
421	size_t len;
422	va_list argp;
423	char buf[1025];
424
425	len = snprintf(buf, sizeof(buf) - 1, "%s,%u,", command, seamless_serial);
426
427	assert(len < (sizeof(buf) - 1));
428
429	va_start(argp, format);
430	len += vsnprintf(buf + len, sizeof(buf) - len - 1, format, argp);
431	va_end(argp);
432
433	assert(len < (sizeof(buf) - 1));
434
435	buf[len] = '\n';
436	buf[len + 1] = '\0';
437
438	len++;
439
440	s = channel_init(seamless_channel, len);
441	out_uint8p(s, buf, len) s_mark_end(s);
442
443	DEBUG_SEAMLESS(("SeamlessRDP sending:%s", buf));
444
445	#if 0
446	printf("seamless send:\n");
447	hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8);
448	#endif
449
450	channel_send(s, seamless_channel);
451
452	return seamless_serial++;
453	}
454
455
456	unsigned int
457	seamless_send_sync()
458	{
459	if (!g_seamless_rdp)
460	return (unsigned int) -1;
461
462	return seamless_send("SYNC", "");
463	}
464
465
466	unsigned int
467	seamless_send_state(unsigned long id, unsigned int state, unsigned long flags)
468	{
469	if (!g_seamless_rdp)
470	return (unsigned int) -1;
471
472	return seamless_send("STATE", "0x%08lx,0x%x,0x%lx", id, state, flags);
473	}
474
475
476	unsigned int
477	seamless_send_position(unsigned long id, int x, int y, int width, int height, unsigned long flags)
478	{
479	return seamless_send("POSITION", "0x%08lx,%d,%d,%d,%d,0x%lx", id, x, y, width, height,
480	flags);
481	}
482
483
484	/* Update select timeout */
485	void
486	seamless_select_timeout(struct timeval *tv)
487	{
488	struct timeval ourtimeout = { 0, SEAMLESSRDP_POSITION_TIMER };
489
490	if (g_seamless_rdp)
491	{
492	if (timercmp(&ourtimeout, tv, <))
493	{
494	tv->tv_sec = ourtimeout.tv_sec;
495	tv->tv_usec = ourtimeout.tv_usec;
496	}
497	}
498	}
499
500
501	unsigned int
502	seamless_send_zchange(unsigned long id, unsigned long below, unsigned long flags)
503	{
504	if (!g_seamless_rdp)
505	return (unsigned int) -1;
506
507	return seamless_send("ZCHANGE", "0x%08lx,0x%08lx,0x%lx", id, below, flags);
508	}
509
510
511
512	unsigned int
513	seamless_send_focus(unsigned long id, unsigned long flags)
514	{
515	if (!g_seamless_rdp)
516	return (unsigned int) -1;
517
518	return seamless_send("FOCUS", "0x%08lx,0x%lx", id, flags);
519	}
520
521	/* Send client-to-server message to destroy process on the server. */
522	unsigned int
523	seamless_send_destroy(unsigned long id)
524	{
525	return seamless_send("DESTROY", "0x%08lx", id);
526	}

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source: vbox/trunk/src/VBox/RDP/client/seamless.c@ 42681

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