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19a490bf AL |
1 | /* |
2 | * QEMU VNC display driver | |
3 | * | |
4 | * Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws> | |
5 | * Copyright (C) 2006 Fabrice Bellard | |
6 | * Copyright (C) 2009 Red Hat, Inc | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
21 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
24 | * THE SOFTWARE. | |
25 | */ | |
26 | ||
27 | #ifndef __QEMU_VNC_H | |
28 | #define __QEMU_VNC_H | |
29 | ||
30 | #include "qemu-common.h" | |
1de7afc9 PB |
31 | #include "qemu/queue.h" |
32 | #include "qemu/thread.h" | |
28ecbaee | 33 | #include "ui/console.h" |
83c9089e | 34 | #include "monitor/monitor.h" |
19a490bf | 35 | #include "audio/audio.h" |
1de7afc9 | 36 | #include "qemu/bitmap.h" |
19a490bf | 37 | #include <zlib.h> |
6f9c78c1 | 38 | #include <stdbool.h> |
19a490bf | 39 | |
19a490bf | 40 | #include "keymaps.h" |
148954fa CC |
41 | #include "vnc-palette.h" |
42 | #include "vnc-enc-zrle.h" | |
19a490bf | 43 | |
5fb6c7a8 AL |
44 | // #define _VNC_DEBUG 1 |
45 | ||
46 | #ifdef _VNC_DEBUG | |
47 | #define VNC_DEBUG(fmt, ...) do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) | |
48 | #else | |
49 | #define VNC_DEBUG(fmt, ...) do { } while (0) | |
50 | #endif | |
51 | ||
19a490bf AL |
52 | /***************************************************************************** |
53 | * | |
54 | * Core data structures | |
55 | * | |
56 | *****************************************************************************/ | |
57 | ||
58 | typedef struct Buffer | |
59 | { | |
60 | size_t capacity; | |
61 | size_t offset; | |
62 | uint8_t *buffer; | |
63 | } Buffer; | |
64 | ||
65 | typedef struct VncState VncState; | |
bd023f95 CC |
66 | typedef struct VncJob VncJob; |
67 | typedef struct VncRect VncRect; | |
68 | typedef struct VncRectEntry VncRectEntry; | |
19a490bf AL |
69 | |
70 | typedef int VncReadEvent(VncState *vs, uint8_t *data, size_t len); | |
71 | ||
9f64916d | 72 | typedef void VncWritePixels(VncState *vs, void *data, int size); |
19a490bf AL |
73 | |
74 | typedef void VncSendHextileTile(VncState *vs, | |
75 | int x, int y, int w, int h, | |
76 | void *last_bg, | |
77 | void *last_fg, | |
78 | int *has_bg, int *has_fg); | |
79 | ||
23bfe28f | 80 | /* VNC_MAX_WIDTH must be a multiple of 16. */ |
3f54bfbf | 81 | #define VNC_MAX_WIDTH 2560 |
19a490bf | 82 | #define VNC_MAX_HEIGHT 2048 |
23bfe28f SW |
83 | |
84 | /* VNC_DIRTY_BITS is the number of bits in the dirty bitmap. */ | |
85 | #define VNC_DIRTY_BITS (VNC_MAX_WIDTH / 16) | |
19a490bf | 86 | |
999342a0 CC |
87 | #define VNC_STAT_RECT 64 |
88 | #define VNC_STAT_COLS (VNC_MAX_WIDTH / VNC_STAT_RECT) | |
89 | #define VNC_STAT_ROWS (VNC_MAX_HEIGHT / VNC_STAT_RECT) | |
90 | ||
19a490bf AL |
91 | #define VNC_AUTH_CHALLENGE_SIZE 16 |
92 | ||
93 | typedef struct VncDisplay VncDisplay; | |
94 | ||
5fb6c7a8 AL |
95 | #ifdef CONFIG_VNC_TLS |
96 | #include "vnc-tls.h" | |
97 | #include "vnc-auth-vencrypt.h" | |
98 | #endif | |
2f9606b3 AL |
99 | #ifdef CONFIG_VNC_SASL |
100 | #include "vnc-auth-sasl.h" | |
101 | #endif | |
7536ee4b TH |
102 | #ifdef CONFIG_VNC_WS |
103 | #include "vnc-ws.h" | |
104 | #endif | |
2f9606b3 | 105 | |
999342a0 CC |
106 | struct VncRectStat |
107 | { | |
108 | /* time of last 10 updates, to find update frequency */ | |
109 | struct timeval times[10]; | |
110 | int idx; | |
111 | ||
112 | double freq; /* Update frequency (in Hz) */ | |
113 | bool updated; /* Already updated during this refresh */ | |
114 | }; | |
115 | ||
116 | typedef struct VncRectStat VncRectStat; | |
117 | ||
1fc62412 SS |
118 | struct VncSurface |
119 | { | |
999342a0 | 120 | struct timeval last_freq_check; |
23bfe28f | 121 | DECLARE_BITMAP(dirty[VNC_MAX_HEIGHT], VNC_MAX_WIDTH / 16); |
999342a0 | 122 | VncRectStat stats[VNC_STAT_ROWS][VNC_STAT_COLS]; |
9f64916d GH |
123 | pixman_image_t *fb; |
124 | pixman_format_code_t format; | |
1fc62412 | 125 | }; |
5fb6c7a8 | 126 | |
8cf36489 GH |
127 | typedef enum VncShareMode { |
128 | VNC_SHARE_MODE_CONNECTING = 1, | |
129 | VNC_SHARE_MODE_SHARED, | |
130 | VNC_SHARE_MODE_EXCLUSIVE, | |
131 | VNC_SHARE_MODE_DISCONNECTED, | |
132 | } VncShareMode; | |
133 | ||
134 | typedef enum VncSharePolicy { | |
135 | VNC_SHARE_POLICY_IGNORE = 1, | |
136 | VNC_SHARE_POLICY_ALLOW_EXCLUSIVE, | |
137 | VNC_SHARE_POLICY_FORCE_SHARED, | |
138 | } VncSharePolicy; | |
139 | ||
19a490bf AL |
140 | struct VncDisplay |
141 | { | |
41b4bef6 | 142 | QTAILQ_HEAD(, VncState) clients; |
8cf36489 GH |
143 | int num_exclusive; |
144 | VncSharePolicy share_policy; | |
19a490bf | 145 | int lsock; |
7536ee4b TH |
146 | #ifdef CONFIG_VNC_WS |
147 | int lwebsock; | |
148 | bool websocket; | |
149 | char *ws_display; | |
150 | #endif | |
d39fa6d8 | 151 | DisplaySurface *ds; |
21ef45d7 | 152 | DisplayChangeListener dcl; |
c227f099 | 153 | kbd_layout_t *kbd_layout; |
3a0558b5 | 154 | int lock_key_sync; |
bd023f95 | 155 | QemuMutex mutex; |
19a490bf | 156 | |
d467b679 GH |
157 | QEMUCursor *cursor; |
158 | int cursor_msize; | |
159 | uint8_t *cursor_mask; | |
160 | ||
1fc62412 | 161 | struct VncSurface guest; /* guest visible surface (aka ds->surface) */ |
9f64916d | 162 | pixman_image_t *server; /* vnc server surface */ |
1fc62412 | 163 | |
19a490bf AL |
164 | char *display; |
165 | char *password; | |
3c9405a0 | 166 | time_t expires; |
19a490bf | 167 | int auth; |
6f9c78c1 | 168 | bool lossy; |
80e0c8c3 | 169 | bool non_adaptive; |
19a490bf | 170 | #ifdef CONFIG_VNC_TLS |
5fb6c7a8 AL |
171 | int subauth; /* Used by VeNCrypt */ |
172 | VncDisplayTLS tls; | |
19a490bf | 173 | #endif |
76655d6d AL |
174 | #ifdef CONFIG_VNC_SASL |
175 | VncDisplaySASL sasl; | |
176 | #endif | |
19a490bf AL |
177 | }; |
178 | ||
d1af0e05 CC |
179 | typedef struct VncTight { |
180 | int type; | |
181 | uint8_t quality; | |
182 | uint8_t compression; | |
183 | uint8_t pixel24; | |
184 | Buffer tight; | |
185 | Buffer tmp; | |
186 | Buffer zlib; | |
187 | Buffer gradient; | |
188 | #ifdef CONFIG_VNC_JPEG | |
189 | Buffer jpeg; | |
190 | #endif | |
191 | #ifdef CONFIG_VNC_PNG | |
192 | Buffer png; | |
193 | #endif | |
194 | int levels[4]; | |
195 | z_stream stream[4]; | |
196 | } VncTight; | |
197 | ||
198 | typedef struct VncHextile { | |
199 | VncSendHextileTile *send_tile; | |
200 | } VncHextile; | |
201 | ||
202 | typedef struct VncZlib { | |
203 | Buffer zlib; | |
204 | Buffer tmp; | |
205 | z_stream stream; | |
206 | int level; | |
207 | } VncZlib; | |
208 | ||
148954fa CC |
209 | typedef struct VncZrle { |
210 | int type; | |
211 | Buffer fb; | |
212 | Buffer zrle; | |
213 | Buffer tmp; | |
214 | Buffer zlib; | |
215 | z_stream stream; | |
216 | VncPalette palette; | |
217 | } VncZrle; | |
218 | ||
219 | typedef struct VncZywrle { | |
220 | int buf[VNC_ZRLE_TILE_WIDTH * VNC_ZRLE_TILE_HEIGHT]; | |
221 | } VncZywrle; | |
222 | ||
bd023f95 CC |
223 | struct VncRect |
224 | { | |
225 | int x; | |
226 | int y; | |
227 | int w; | |
228 | int h; | |
229 | }; | |
230 | ||
231 | struct VncRectEntry | |
232 | { | |
233 | struct VncRect rect; | |
234 | QLIST_ENTRY(VncRectEntry) next; | |
235 | }; | |
236 | ||
237 | struct VncJob | |
238 | { | |
239 | VncState *vs; | |
240 | ||
241 | QLIST_HEAD(, VncRectEntry) rectangles; | |
242 | QTAILQ_ENTRY(VncJob) next; | |
243 | }; | |
bd023f95 | 244 | |
19a490bf AL |
245 | struct VncState |
246 | { | |
19a490bf | 247 | int csock; |
6baebed7 | 248 | |
23bfe28f | 249 | DECLARE_BITMAP(dirty[VNC_MAX_HEIGHT], VNC_DIRTY_BITS); |
7d964c9d CC |
250 | uint8_t **lossy_rect; /* Not an Array to avoid costly memcpy in |
251 | * vnc-jobs-async.c */ | |
6baebed7 | 252 | |
19a490bf AL |
253 | VncDisplay *vd; |
254 | int need_update; | |
c522d0e2 | 255 | int force_update; |
19a490bf AL |
256 | uint32_t features; |
257 | int absolute; | |
258 | int last_x; | |
259 | int last_y; | |
5862d195 GH |
260 | int client_width; |
261 | int client_height; | |
8cf36489 | 262 | VncShareMode share_mode; |
19a490bf AL |
263 | |
264 | uint32_t vnc_encoding; | |
19a490bf AL |
265 | |
266 | int major; | |
267 | int minor; | |
268 | ||
7e7e2ebc | 269 | int auth; |
19a490bf | 270 | char challenge[VNC_AUTH_CHALLENGE_SIZE]; |
19a490bf | 271 | #ifdef CONFIG_VNC_TLS |
7e7e2ebc | 272 | int subauth; /* Used by VeNCrypt */ |
5fb6c7a8 | 273 | VncStateTLS tls; |
19a490bf | 274 | #endif |
2f9606b3 AL |
275 | #ifdef CONFIG_VNC_SASL |
276 | VncStateSASL sasl; | |
277 | #endif | |
7536ee4b TH |
278 | #ifdef CONFIG_VNC_WS |
279 | bool encode_ws; | |
280 | bool websocket; | |
281 | #endif | |
19a490bf | 282 | |
4a80dba3 LC |
283 | QObject *info; |
284 | ||
19a490bf AL |
285 | Buffer output; |
286 | Buffer input; | |
7536ee4b TH |
287 | #ifdef CONFIG_VNC_WS |
288 | Buffer ws_input; | |
289 | Buffer ws_output; | |
290 | #endif | |
19a490bf AL |
291 | /* current output mode information */ |
292 | VncWritePixels *write_pixels; | |
9f64916d GH |
293 | PixelFormat client_pf; |
294 | pixman_format_code_t client_format; | |
295 | bool client_be; | |
19a490bf AL |
296 | |
297 | CaptureVoiceOut *audio_cap; | |
298 | struct audsettings as; | |
299 | ||
300 | VncReadEvent *read_handler; | |
301 | size_t read_handler_expect; | |
302 | /* input */ | |
303 | uint8_t modifiers_state[256]; | |
7ffb82ca | 304 | QEMUPutLEDEntry *led; |
19a490bf | 305 | |
bd023f95 | 306 | bool abort; |
6fd8e79a | 307 | bool initialized; |
bd023f95 | 308 | QemuMutex output_mutex; |
175b2a6e CC |
309 | QEMUBH *bh; |
310 | Buffer jobs_buffer; | |
bd023f95 CC |
311 | |
312 | /* Encoding specific, if you add something here, don't forget to | |
313 | * update vnc_async_encoding_start() | |
314 | */ | |
d1af0e05 CC |
315 | VncTight tight; |
316 | VncZlib zlib; | |
317 | VncHextile hextile; | |
148954fa CC |
318 | VncZrle zrle; |
319 | VncZywrle zywrle; | |
19a490bf | 320 | |
37c34d9d AL |
321 | Notifier mouse_mode_notifier; |
322 | ||
41b4bef6 | 323 | QTAILQ_ENTRY(VncState) next; |
19a490bf AL |
324 | }; |
325 | ||
e06679fb AL |
326 | |
327 | /***************************************************************************** | |
328 | * | |
329 | * Authentication modes | |
330 | * | |
331 | *****************************************************************************/ | |
332 | ||
333 | enum { | |
334 | VNC_AUTH_INVALID = 0, | |
335 | VNC_AUTH_NONE = 1, | |
336 | VNC_AUTH_VNC = 2, | |
337 | VNC_AUTH_RA2 = 5, | |
338 | VNC_AUTH_RA2NE = 6, | |
339 | VNC_AUTH_TIGHT = 16, | |
340 | VNC_AUTH_ULTRA = 17, | |
2f9606b3 AL |
341 | VNC_AUTH_TLS = 18, /* Supported in GTK-VNC & VINO */ |
342 | VNC_AUTH_VENCRYPT = 19, /* Supported in GTK-VNC & VeNCrypt */ | |
343 | VNC_AUTH_SASL = 20, /* Supported in GTK-VNC & VINO */ | |
e06679fb AL |
344 | }; |
345 | ||
e06679fb AL |
346 | enum { |
347 | VNC_AUTH_VENCRYPT_PLAIN = 256, | |
348 | VNC_AUTH_VENCRYPT_TLSNONE = 257, | |
349 | VNC_AUTH_VENCRYPT_TLSVNC = 258, | |
350 | VNC_AUTH_VENCRYPT_TLSPLAIN = 259, | |
351 | VNC_AUTH_VENCRYPT_X509NONE = 260, | |
352 | VNC_AUTH_VENCRYPT_X509VNC = 261, | |
353 | VNC_AUTH_VENCRYPT_X509PLAIN = 262, | |
2f9606b3 AL |
354 | VNC_AUTH_VENCRYPT_X509SASL = 263, |
355 | VNC_AUTH_VENCRYPT_TLSSASL = 264, | |
e06679fb AL |
356 | }; |
357 | ||
e06679fb AL |
358 | |
359 | /***************************************************************************** | |
360 | * | |
361 | * Encoding types | |
362 | * | |
363 | *****************************************************************************/ | |
364 | ||
365 | #define VNC_ENCODING_RAW 0x00000000 | |
366 | #define VNC_ENCODING_COPYRECT 0x00000001 | |
367 | #define VNC_ENCODING_RRE 0x00000002 | |
368 | #define VNC_ENCODING_CORRE 0x00000004 | |
369 | #define VNC_ENCODING_HEXTILE 0x00000005 | |
370 | #define VNC_ENCODING_ZLIB 0x00000006 | |
371 | #define VNC_ENCODING_TIGHT 0x00000007 | |
372 | #define VNC_ENCODING_ZLIBHEX 0x00000008 | |
373 | #define VNC_ENCODING_TRLE 0x0000000f | |
374 | #define VNC_ENCODING_ZRLE 0x00000010 | |
375 | #define VNC_ENCODING_ZYWRLE 0x00000011 | |
376 | #define VNC_ENCODING_COMPRESSLEVEL0 0xFFFFFF00 /* -256 */ | |
377 | #define VNC_ENCODING_QUALITYLEVEL0 0xFFFFFFE0 /* -32 */ | |
378 | #define VNC_ENCODING_XCURSOR 0xFFFFFF10 /* -240 */ | |
379 | #define VNC_ENCODING_RICH_CURSOR 0xFFFFFF11 /* -239 */ | |
380 | #define VNC_ENCODING_POINTER_POS 0xFFFFFF18 /* -232 */ | |
381 | #define VNC_ENCODING_LASTRECT 0xFFFFFF20 /* -224 */ | |
382 | #define VNC_ENCODING_DESKTOPRESIZE 0xFFFFFF21 /* -223 */ | |
383 | #define VNC_ENCODING_POINTER_TYPE_CHANGE 0XFFFFFEFF /* -257 */ | |
384 | #define VNC_ENCODING_EXT_KEY_EVENT 0XFFFFFEFE /* -258 */ | |
385 | #define VNC_ENCODING_AUDIO 0XFFFFFEFD /* -259 */ | |
efe556ad | 386 | #define VNC_ENCODING_TIGHT_PNG 0xFFFFFEFC /* -260 */ |
ab99e5c1 | 387 | #define VNC_ENCODING_LED_STATE 0XFFFFFEFB /* -261 */ |
e06679fb AL |
388 | #define VNC_ENCODING_WMVi 0x574D5669 |
389 | ||
390 | /***************************************************************************** | |
391 | * | |
392 | * Other tight constants | |
393 | * | |
394 | *****************************************************************************/ | |
395 | ||
396 | /* | |
397 | * Vendors known by TightVNC: standard VNC/RealVNC, TridiaVNC, and TightVNC. | |
398 | */ | |
399 | ||
400 | #define VNC_TIGHT_CCB_RESET_MASK (0x0f) | |
401 | #define VNC_TIGHT_CCB_TYPE_MASK (0x0f << 4) | |
402 | #define VNC_TIGHT_CCB_TYPE_FILL (0x08 << 4) | |
403 | #define VNC_TIGHT_CCB_TYPE_JPEG (0x09 << 4) | |
efe556ad | 404 | #define VNC_TIGHT_CCB_TYPE_PNG (0x0A << 4) |
e06679fb AL |
405 | #define VNC_TIGHT_CCB_BASIC_MAX (0x07 << 4) |
406 | #define VNC_TIGHT_CCB_BASIC_ZLIB (0x03 << 4) | |
407 | #define VNC_TIGHT_CCB_BASIC_FILTER (0x04 << 4) | |
408 | ||
409 | /***************************************************************************** | |
410 | * | |
411 | * Features | |
412 | * | |
413 | *****************************************************************************/ | |
414 | ||
415 | #define VNC_FEATURE_RESIZE 0 | |
416 | #define VNC_FEATURE_HEXTILE 1 | |
417 | #define VNC_FEATURE_POINTER_TYPE_CHANGE 2 | |
418 | #define VNC_FEATURE_WMVI 3 | |
419 | #define VNC_FEATURE_TIGHT 4 | |
420 | #define VNC_FEATURE_ZLIB 5 | |
753b4053 | 421 | #define VNC_FEATURE_COPYRECT 6 |
d467b679 | 422 | #define VNC_FEATURE_RICH_CURSOR 7 |
efe556ad | 423 | #define VNC_FEATURE_TIGHT_PNG 8 |
148954fa CC |
424 | #define VNC_FEATURE_ZRLE 9 |
425 | #define VNC_FEATURE_ZYWRLE 10 | |
ab99e5c1 | 426 | #define VNC_FEATURE_LED_STATE 11 |
e06679fb AL |
427 | |
428 | #define VNC_FEATURE_RESIZE_MASK (1 << VNC_FEATURE_RESIZE) | |
429 | #define VNC_FEATURE_HEXTILE_MASK (1 << VNC_FEATURE_HEXTILE) | |
430 | #define VNC_FEATURE_POINTER_TYPE_CHANGE_MASK (1 << VNC_FEATURE_POINTER_TYPE_CHANGE) | |
431 | #define VNC_FEATURE_WMVI_MASK (1 << VNC_FEATURE_WMVI) | |
432 | #define VNC_FEATURE_TIGHT_MASK (1 << VNC_FEATURE_TIGHT) | |
433 | #define VNC_FEATURE_ZLIB_MASK (1 << VNC_FEATURE_ZLIB) | |
753b4053 | 434 | #define VNC_FEATURE_COPYRECT_MASK (1 << VNC_FEATURE_COPYRECT) |
d467b679 | 435 | #define VNC_FEATURE_RICH_CURSOR_MASK (1 << VNC_FEATURE_RICH_CURSOR) |
efe556ad | 436 | #define VNC_FEATURE_TIGHT_PNG_MASK (1 << VNC_FEATURE_TIGHT_PNG) |
148954fa CC |
437 | #define VNC_FEATURE_ZRLE_MASK (1 << VNC_FEATURE_ZRLE) |
438 | #define VNC_FEATURE_ZYWRLE_MASK (1 << VNC_FEATURE_ZYWRLE) | |
ab99e5c1 | 439 | #define VNC_FEATURE_LED_STATE_MASK (1 << VNC_FEATURE_LED_STATE) |
e06679fb | 440 | |
5fb6c7a8 | 441 | |
46a183da DB |
442 | /* Client -> Server message IDs */ |
443 | #define VNC_MSG_CLIENT_SET_PIXEL_FORMAT 0 | |
444 | #define VNC_MSG_CLIENT_SET_ENCODINGS 2 | |
445 | #define VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST 3 | |
446 | #define VNC_MSG_CLIENT_KEY_EVENT 4 | |
447 | #define VNC_MSG_CLIENT_POINTER_EVENT 5 | |
448 | #define VNC_MSG_CLIENT_CUT_TEXT 6 | |
449 | #define VNC_MSG_CLIENT_VMWARE_0 127 | |
450 | #define VNC_MSG_CLIENT_CALL_CONTROL 249 | |
451 | #define VNC_MSG_CLIENT_XVP 250 | |
452 | #define VNC_MSG_CLIENT_SET_DESKTOP_SIZE 251 | |
453 | #define VNC_MSG_CLIENT_TIGHT 252 | |
454 | #define VNC_MSG_CLIENT_GII 253 | |
455 | #define VNC_MSG_CLIENT_VMWARE_1 254 | |
456 | #define VNC_MSG_CLIENT_QEMU 255 | |
457 | ||
458 | /* Server -> Client message IDs */ | |
459 | #define VNC_MSG_SERVER_FRAMEBUFFER_UPDATE 0 | |
460 | #define VNC_MSG_SERVER_SET_COLOUR_MAP_ENTRIES 1 | |
461 | #define VNC_MSG_SERVER_BELL 2 | |
462 | #define VNC_MSG_SERVER_CUT_TEXT 3 | |
463 | #define VNC_MSG_SERVER_VMWARE_0 127 | |
464 | #define VNC_MSG_SERVER_CALL_CONTROL 249 | |
465 | #define VNC_MSG_SERVER_XVP 250 | |
466 | #define VNC_MSG_SERVER_TIGHT 252 | |
467 | #define VNC_MSG_SERVER_GII 253 | |
468 | #define VNC_MSG_SERVER_VMWARE_1 254 | |
469 | #define VNC_MSG_SERVER_QEMU 255 | |
470 | ||
471 | ||
472 | ||
473 | /* QEMU client -> server message IDs */ | |
474 | #define VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT 0 | |
475 | #define VNC_MSG_CLIENT_QEMU_AUDIO 1 | |
476 | ||
477 | /* QEMU server -> client message IDs */ | |
478 | #define VNC_MSG_SERVER_QEMU_AUDIO 1 | |
479 | ||
480 | ||
481 | ||
482 | /* QEMU client -> server audio message IDs */ | |
483 | #define VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE 0 | |
484 | #define VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE 1 | |
485 | #define VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT 2 | |
486 | ||
487 | /* QEMU server -> client audio message IDs */ | |
488 | #define VNC_MSG_SERVER_QEMU_AUDIO_END 0 | |
489 | #define VNC_MSG_SERVER_QEMU_AUDIO_BEGIN 1 | |
490 | #define VNC_MSG_SERVER_QEMU_AUDIO_DATA 2 | |
491 | ||
492 | ||
5fb6c7a8 AL |
493 | /***************************************************************************** |
494 | * | |
495 | * Internal APIs | |
496 | * | |
497 | *****************************************************************************/ | |
498 | ||
499 | /* Event loop functions */ | |
500 | void vnc_client_read(void *opaque); | |
501 | void vnc_client_write(void *opaque); | |
502 | ||
2f9606b3 AL |
503 | long vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen); |
504 | long vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen); | |
5fb6c7a8 AL |
505 | |
506 | /* Protocol I/O functions */ | |
507 | void vnc_write(VncState *vs, const void *data, size_t len); | |
508 | void vnc_write_u32(VncState *vs, uint32_t value); | |
509 | void vnc_write_s32(VncState *vs, int32_t value); | |
510 | void vnc_write_u16(VncState *vs, uint16_t value); | |
511 | void vnc_write_u8(VncState *vs, uint8_t value); | |
512 | void vnc_flush(VncState *vs); | |
513 | void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting); | |
7536ee4b TH |
514 | void vnc_disconnect_finish(VncState *vs); |
515 | void vnc_init_state(VncState *vs); | |
5fb6c7a8 AL |
516 | |
517 | ||
518 | /* Buffer I/O functions */ | |
5fb6c7a8 AL |
519 | uint32_t read_u32(uint8_t *data, size_t offset); |
520 | ||
521 | /* Protocol stage functions */ | |
522 | void vnc_client_error(VncState *vs); | |
2f9606b3 | 523 | int vnc_client_io_error(VncState *vs, int ret, int last_errno); |
5fb6c7a8 AL |
524 | |
525 | void start_client_init(VncState *vs); | |
526 | void start_auth_vnc(VncState *vs); | |
527 | ||
2f9606b3 AL |
528 | /* Buffer management */ |
529 | void buffer_reserve(Buffer *buffer, size_t len); | |
2f9606b3 | 530 | void buffer_reset(Buffer *buffer); |
5d418e3b | 531 | void buffer_free(Buffer *buffer); |
2f9606b3 | 532 | void buffer_append(Buffer *buffer, const void *data, size_t len); |
32ed2680 | 533 | void buffer_advance(Buffer *buf, size_t len); |
7536ee4b | 534 | uint8_t *buffer_end(Buffer *buffer); |
2f9606b3 AL |
535 | |
536 | ||
537 | /* Misc helpers */ | |
538 | ||
539 | char *vnc_socket_local_addr(const char *format, int fd); | |
540 | char *vnc_socket_remote_addr(const char *format, int fd); | |
541 | ||
efe556ad CC |
542 | static inline uint32_t vnc_has_feature(VncState *vs, int feature) { |
543 | return (vs->features & (1 << feature)); | |
544 | } | |
545 | ||
70a4568f CC |
546 | /* Framebuffer */ |
547 | void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, | |
548 | int32_t encoding); | |
549 | ||
9f64916d GH |
550 | /* server fb is in PIXMAN_x8r8g8b8 */ |
551 | #define VNC_SERVER_FB_FORMAT PIXMAN_FORMAT(32, PIXMAN_TYPE_ARGB, 0, 8, 8, 8) | |
552 | #define VNC_SERVER_FB_BITS (PIXMAN_FORMAT_BPP(VNC_SERVER_FB_FORMAT)) | |
553 | #define VNC_SERVER_FB_BYTES ((VNC_SERVER_FB_BITS+7)/8) | |
554 | ||
555 | void *vnc_server_fb_ptr(VncDisplay *vd, int x, int y); | |
556 | int vnc_server_fb_stride(VncDisplay *vd); | |
557 | ||
70a4568f | 558 | void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v); |
999342a0 | 559 | double vnc_update_freq(VncState *vs, int x, int y, int w, int h); |
7d964c9d | 560 | void vnc_sent_lossy_rect(VncState *vs, int x, int y, int w, int h); |
70a4568f CC |
561 | |
562 | /* Encodings */ | |
bd023f95 CC |
563 | int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
564 | ||
a885211e | 565 | int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
70a4568f | 566 | |
a885211e | 567 | int vnc_hextile_send_framebuffer_update(VncState *vs, int x, |
70a4568f CC |
568 | int y, int w, int h); |
569 | void vnc_hextile_set_pixel_conversion(VncState *vs, int generic); | |
570 | ||
380282b0 CC |
571 | void *vnc_zlib_zalloc(void *x, unsigned items, unsigned size); |
572 | void vnc_zlib_zfree(void *x, void *addr); | |
a885211e | 573 | int vnc_zlib_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
161c4f20 | 574 | void vnc_zlib_clear(VncState *vs); |
70a4568f | 575 | |
380282b0 | 576 | int vnc_tight_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
efe556ad CC |
577 | int vnc_tight_png_send_framebuffer_update(VncState *vs, int x, int y, |
578 | int w, int h); | |
380282b0 CC |
579 | void vnc_tight_clear(VncState *vs); |
580 | ||
148954fa CC |
581 | int vnc_zrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
582 | int vnc_zywrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); | |
583 | void vnc_zrle_clear(VncState *vs); | |
584 | ||
19a490bf | 585 | #endif /* __QEMU_VNC_H */ |