seamless.c@ 33889

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1	/* -- c-basic-offset: 8 --
2	rdesktop: A Remote Desktop Protocol client.
3	Seamless Windows support
4	Copyright 2005-2007 Peter Astrand <[email protected]> for Cendio AB
5	Copyright 2007 Pierre Ossman <[email protected]> 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 2 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, write to the Free Software
19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20	*/
21
22	/*
23	* Oracle GPL Disclaimer: For the avoidance of doubt, except that if any license choice
24	* other than GPL or LGPL is available it will apply instead, Oracle elects to use only
25	* the General Public License version 2 (GPLv2) at this time for any software where
26	* a choice of GPL license versions is made available with the language indicating
27	* that GPLv2 or any later version may be used, or where a choice of which version
28	* of the GPL is applied is otherwise unspecified.
29	*/
30
31	#include "rdesktop.h"
32	#include <stdarg.h>
33	#include <assert.h>
34
35	#ifdef WITH_DEBUG_SEAMLESS
36	#define DEBUG_SEAMLESS(args) printf args;
37	#else
38	#define DEBUG_SEAMLESS(args)
39	#endif
40
41	extern RD_BOOL g_seamless_rdp;
42	static VCHANNEL *seamless_channel;
43	static unsigned int seamless_serial;
44	static char icon_buf[1024];
45
46	static char *
47	seamless_get_token(char **s)
48	{
49	char comma, head;
50	head = *s;
51
52	if (!head)
53	return NULL;
54
55	comma = strchr(head, ',');
56	if (comma)
57	{
58	*comma = '\0';
59	*s = comma + 1;
60	}
61	else
62	{
63	*s = NULL;
64	}
65
66	return head;
67	}
68
69
70	static RD_BOOL
71	seamless_process_line(const char line, void data)
72	{
73	char p, l;
74	char tok1, tok2, tok3, tok4, tok5, tok6, tok7, tok8;
75	unsigned long id, flags;
76	char *endptr;
77
78	l = xstrdup(line);
79	p = l;
80
81	DEBUG_SEAMLESS(("seamlessrdp got:%s\n", p));
82
83	tok1 = seamless_get_token(&p);
84	tok2 = seamless_get_token(&p);
85	tok3 = seamless_get_token(&p);
86	tok4 = seamless_get_token(&p);
87	tok5 = seamless_get_token(&p);
88	tok6 = seamless_get_token(&p);
89	tok7 = seamless_get_token(&p);
90	tok8 = seamless_get_token(&p);
91
92	if (!strcmp("CREATE", tok1))
93	{
94	unsigned long group, parent;
95	if (!tok6)
96	return False;
97
98	id = strtoul(tok3, &endptr, 0);
99	if (*endptr)
100	return False;
101
102	group = strtoul(tok4, &endptr, 0);
103	if (*endptr)
104	return False;
105
106	parent = strtoul(tok5, &endptr, 0);
107	if (*endptr)
108	return False;
109
110	flags = strtoul(tok6, &endptr, 0);
111	if (*endptr)
112	return False;
113
114	ui_seamless_create_window(id, group, parent, flags);
115	}
116	else if (!strcmp("DESTROY", tok1))
117	{
118	if (!tok4)
119	return False;
120
121	id = strtoul(tok3, &endptr, 0);
122	if (*endptr)
123	return False;
124
125	flags = strtoul(tok4, &endptr, 0);
126	if (*endptr)
127	return False;
128
129	ui_seamless_destroy_window(id, flags);
130
131	}
132	else if (!strcmp("DESTROYGRP", tok1))
133	{
134	if (!tok4)
135	return False;
136
137	id = strtoul(tok3, &endptr, 0);
138	if (*endptr)
139	return False;
140
141	flags = strtoul(tok4, &endptr, 0);
142	if (*endptr)
143	return False;
144
145	ui_seamless_destroy_group(id, flags);
146	}
147	else if (!strcmp("SETICON", tok1))
148	{
149	int chunk, width, height, len;
150	char byte[3];
151
152	if (!tok8)
153	return False;
154
155	id = strtoul(tok3, &endptr, 0);
156	if (*endptr)
157	return False;
158
159	chunk = strtoul(tok4, &endptr, 0);
160	if (*endptr)
161	return False;
162
163	width = strtoul(tok6, &endptr, 0);
164	if (*endptr)
165	return False;
166
167	height = strtoul(tok7, &endptr, 0);
168	if (*endptr)
169	return False;
170
171	byte[2] = '\0';
172	len = 0;
173	while (*tok8 != '\0')
174	{
175	byte[0] = *tok8;
176	tok8++;
177	if (*tok8 == '\0')
178	return False;
179	byte[1] = *tok8;
180	tok8++;
181
182	icon_buf[len] = strtol(byte, NULL, 16);
183	len++;
184	}
185
186	ui_seamless_seticon(id, tok5, width, height, chunk, icon_buf, len);
187	}
188	else if (!strcmp("DELICON", tok1))
189	{
190	int width, height;
191
192	if (!tok6)
193	return False;
194
195	id = strtoul(tok3, &endptr, 0);
196	if (*endptr)
197	return False;
198
199	width = strtoul(tok5, &endptr, 0);
200	if (*endptr)
201	return False;
202
203	height = strtoul(tok6, &endptr, 0);
204	if (*endptr)
205	return False;
206
207	ui_seamless_delicon(id, tok4, width, height);
208	}
209	else if (!strcmp("POSITION", tok1))
210	{
211	int x, y, width, height;
212
213	if (!tok8)
214	return False;
215
216	id = strtoul(tok3, &endptr, 0);
217	if (*endptr)
218	return False;
219
220	x = strtol(tok4, &endptr, 0);
221	if (*endptr)
222	return False;
223	y = strtol(tok5, &endptr, 0);
224	if (*endptr)
225	return False;
226
227	width = strtol(tok6, &endptr, 0);
228	if (*endptr)
229	return False;
230	height = strtol(tok7, &endptr, 0);
231	if (*endptr)
232	return False;
233
234	flags = strtoul(tok8, &endptr, 0);
235	if (*endptr)
236	return False;
237
238	ui_seamless_move_window(id, x, y, width, height, flags);
239	}
240	else if (!strcmp("ZCHANGE", tok1))
241	{
242	unsigned long behind;
243
244	id = strtoul(tok3, &endptr, 0);
245	if (*endptr)
246	return False;
247
248	behind = strtoul(tok4, &endptr, 0);
249	if (*endptr)
250	return False;
251
252	flags = strtoul(tok5, &endptr, 0);
253	if (*endptr)
254	return False;
255
256	ui_seamless_restack_window(id, behind, flags);
257	}
258	else if (!strcmp("TITLE", tok1))
259	{
260	if (!tok5)
261	return False;
262
263	id = strtoul(tok3, &endptr, 0);
264	if (*endptr)
265	return False;
266
267	flags = strtoul(tok5, &endptr, 0);
268	if (*endptr)
269	return False;
270
271	ui_seamless_settitle(id, tok4, flags);
272	}
273	else if (!strcmp("STATE", tok1))
274	{
275	unsigned int state;
276
277	if (!tok5)
278	return False;
279
280	id = strtoul(tok3, &endptr, 0);
281	if (*endptr)
282	return False;
283
284	state = strtoul(tok4, &endptr, 0);
285	if (*endptr)
286	return False;
287
288	flags = strtoul(tok5, &endptr, 0);
289	if (*endptr)
290	return False;
291
292	ui_seamless_setstate(id, state, flags);
293	}
294	else if (!strcmp("DEBUG", tok1))
295	{
296	DEBUG_SEAMLESS(("SeamlessRDP:%s\n", line));
297	}
298	else if (!strcmp("SYNCBEGIN", tok1))
299	{
300	if (!tok3)
301	return False;
302
303	flags = strtoul(tok3, &endptr, 0);
304	if (*endptr)
305	return False;
306
307	ui_seamless_syncbegin(flags);
308	}
309	else if (!strcmp("SYNCEND", tok1))
310	{
311	if (!tok3)
312	return False;
313
314	flags = strtoul(tok3, &endptr, 0);
315	if (*endptr)
316	return False;
317
318	/* do nothing, currently */
319	}
320	else if (!strcmp("HELLO", tok1))
321	{
322	if (!tok3)
323	return False;
324
325	flags = strtoul(tok3, &endptr, 0);
326	if (*endptr)
327	return False;
328
329	ui_seamless_begin(!!(flags & SEAMLESSRDP_HELLO_HIDDEN));
330	}
331	else if (!strcmp("ACK", tok1))
332	{
333	unsigned int serial;
334
335	serial = strtoul(tok3, &endptr, 0);
336	if (*endptr)
337	return False;
338
339	ui_seamless_ack(serial);
340	}
341	else if (!strcmp("HIDE", tok1))
342	{
343	if (!tok3)
344	return False;
345
346	flags = strtoul(tok3, &endptr, 0);
347	if (*endptr)
348	return False;
349
350	ui_seamless_hide_desktop();
351	}
352	else if (!strcmp("UNHIDE", tok1))
353	{
354	if (!tok3)
355	return False;
356
357	flags = strtoul(tok3, &endptr, 0);
358	if (*endptr)
359	return False;
360
361	ui_seamless_unhide_desktop();
362	}
363
364
365	xfree(l);
366	return True;
367	}
368
369
370	static RD_BOOL
371	seamless_line_handler(const char line, void data)
372	{
373	if (!seamless_process_line(line, data))
374	{
375	warning("SeamlessRDP: Invalid request:%s\n", line);
376	}
377	return True;
378	}
379
380
381	static void
382	seamless_process(STREAM s)
383	{
384	unsigned int pkglen;
385	static char *rest = NULL;
386	char *buf;
387
388	pkglen = s->end - s->p;
389	/* str_handle_lines requires null terminated strings */
390	buf = xmalloc(pkglen + 1);
391	STRNCPY(buf, (char *) s->p, pkglen + 1);
392	#if 0
393	printf("seamless recv:\n");
394	hexdump(s->p, pkglen);
395	#endif
396
397	str_handle_lines(buf, &rest, seamless_line_handler, NULL);
398
399	xfree(buf);
400	}
401
402
403	RD_BOOL
404	seamless_init(void)
405	{
406	if (!g_seamless_rdp)
407	return False;
408
409	seamless_serial = 0;
410
411	seamless_channel =
412	channel_register("seamrdp", CHANNEL_OPTION_INITIALIZED \| CHANNEL_OPTION_ENCRYPT_RDP,
413	seamless_process);
414	return (seamless_channel != NULL);
415	}
416
417
418	static unsigned int
419	seamless_send(const char command, const char format, ...)
420	{
421	STREAM s;
422	size_t len;
423	va_list argp;
424	char buf[1025];
425
426	len = snprintf(buf, sizeof(buf) - 1, "%s,%u,", command, seamless_serial);
427
428	assert(len < (sizeof(buf) - 1));
429
430	va_start(argp, format);
431	len += vsnprintf(buf + len, sizeof(buf) - len - 1, format, argp);
432	va_end(argp);
433
434	assert(len < (sizeof(buf) - 1));
435
436	buf[len] = '\n';
437	buf[len + 1] = '\0';
438
439	len++;
440
441	s = channel_init(seamless_channel, len);
442	out_uint8p(s, buf, len) s_mark_end(s);
443
444	DEBUG_SEAMLESS(("SeamlessRDP sending:%s", buf));
445
446	#if 0
447	printf("seamless send:\n");
448	hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8);
449	#endif
450
451	channel_send(s, seamless_channel);
452
453	return seamless_serial++;
454	}
455
456
457	unsigned int
458	seamless_send_sync()
459	{
460	if (!g_seamless_rdp)
461	return (unsigned int) -1;
462
463	return seamless_send("SYNC", "");
464	}
465
466
467	unsigned int
468	seamless_send_state(unsigned long id, unsigned int state, unsigned long flags)
469	{
470	if (!g_seamless_rdp)
471	return (unsigned int) -1;
472
473	return seamless_send("STATE", "0x%08lx,0x%x,0x%lx", id, state, flags);
474	}
475
476
477	unsigned int
478	seamless_send_position(unsigned long id, int x, int y, int width, int height, unsigned long flags)
479	{
480	return seamless_send("POSITION", "0x%08lx,%d,%d,%d,%d,0x%lx", id, x, y, width, height,
481	flags);
482	}
483
484
485	/* Update select timeout */
486	void
487	seamless_select_timeout(struct timeval *tv)
488	{
489	struct timeval ourtimeout = { 0, SEAMLESSRDP_POSITION_TIMER };
490
491	if (g_seamless_rdp)
492	{
493	if (timercmp(&ourtimeout, tv, <))
494	{
495	tv->tv_sec = ourtimeout.tv_sec;
496	tv->tv_usec = ourtimeout.tv_usec;
497	}
498	}
499	}
500
501
502	unsigned int
503	seamless_send_zchange(unsigned long id, unsigned long below, unsigned long flags)
504	{
505	if (!g_seamless_rdp)
506	return (unsigned int) -1;
507
508	return seamless_send("ZCHANGE", "0x%08lx,0x%08lx,0x%lx", id, below, flags);
509	}
510
511
512
513	unsigned int
514	seamless_send_focus(unsigned long id, unsigned long flags)
515	{
516	if (!g_seamless_rdp)
517	return (unsigned int) -1;
518
519	return seamless_send("FOCUS", "0x%08lx,0x%lx", id, flags);
520	}
521
522	/* Send client-to-server message to destroy process on the server. */
523	unsigned int
524	seamless_send_destroy(unsigned long id)
525	{
526	return seamless_send("DESTROY", "0x%08lx", id);
527	}

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source: vbox/trunk/src/VBox/RDP/client/seamless.c@ 33889

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