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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 | ||
2a6a4076 MA |
27 | #ifndef QEMU_VNC_H |
28 | #define QEMU_VNC_H | |
19a490bf AL |
29 | |
30 | #include "qemu-common.h" | |
1de7afc9 PB |
31 | #include "qemu/queue.h" |
32 | #include "qemu/thread.h" | |
28ecbaee | 33 | #include "ui/console.h" |
19a490bf | 34 | #include "audio/audio.h" |
1de7afc9 | 35 | #include "qemu/bitmap.h" |
3e305e4a | 36 | #include "crypto/tlssession.h" |
88c5f205 | 37 | #include "qemu/buffer.h" |
04d2529d | 38 | #include "io/channel-socket.h" |
2cc45228 | 39 | #include "io/channel-tls.h" |
19a490bf AL |
40 | #include <zlib.h> |
41 | ||
19a490bf | 42 | #include "keymaps.h" |
148954fa CC |
43 | #include "vnc-palette.h" |
44 | #include "vnc-enc-zrle.h" | |
fb6ba0d5 | 45 | #include "qapi-types.h" |
19a490bf | 46 | |
5fb6c7a8 AL |
47 | // #define _VNC_DEBUG 1 |
48 | ||
49 | #ifdef _VNC_DEBUG | |
50 | #define VNC_DEBUG(fmt, ...) do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) | |
51 | #else | |
52 | #define VNC_DEBUG(fmt, ...) do { } while (0) | |
53 | #endif | |
54 | ||
19a490bf AL |
55 | /***************************************************************************** |
56 | * | |
57 | * Core data structures | |
58 | * | |
59 | *****************************************************************************/ | |
60 | ||
19a490bf | 61 | typedef struct VncState VncState; |
bd023f95 CC |
62 | typedef struct VncJob VncJob; |
63 | typedef struct VncRect VncRect; | |
64 | typedef struct VncRectEntry VncRectEntry; | |
19a490bf AL |
65 | |
66 | typedef int VncReadEvent(VncState *vs, uint8_t *data, size_t len); | |
67 | ||
9f64916d | 68 | typedef void VncWritePixels(VncState *vs, void *data, int size); |
19a490bf AL |
69 | |
70 | typedef void VncSendHextileTile(VncState *vs, | |
71 | int x, int y, int w, int h, | |
72 | void *last_bg, | |
73 | void *last_fg, | |
74 | int *has_bg, int *has_fg); | |
75 | ||
b4c85ddc | 76 | /* VNC_DIRTY_PIXELS_PER_BIT is the number of dirty pixels represented |
bea60dd7 | 77 | * by one bit in the dirty bitmap, should be a power of 2 */ |
b4c85ddc PL |
78 | #define VNC_DIRTY_PIXELS_PER_BIT 16 |
79 | ||
bea60dd7 PL |
80 | /* VNC_MAX_WIDTH must be a multiple of VNC_DIRTY_PIXELS_PER_BIT. */ |
81 | ||
82 | #define VNC_MAX_WIDTH ROUND_UP(2560, VNC_DIRTY_PIXELS_PER_BIT) | |
83 | #define VNC_MAX_HEIGHT 2048 | |
84 | ||
23bfe28f | 85 | /* VNC_DIRTY_BITS is the number of bits in the dirty bitmap. */ |
b4c85ddc | 86 | #define VNC_DIRTY_BITS (VNC_MAX_WIDTH / VNC_DIRTY_PIXELS_PER_BIT) |
19a490bf | 87 | |
12b316d4 PL |
88 | /* VNC_DIRTY_BPL (BPL = bits per line) might be greater than |
89 | * VNC_DIRTY_BITS due to alignment */ | |
90 | #define VNC_DIRTY_BPL(x) (sizeof((x)->dirty) / VNC_MAX_HEIGHT * BITS_PER_BYTE) | |
91 | ||
999342a0 CC |
92 | #define VNC_STAT_RECT 64 |
93 | #define VNC_STAT_COLS (VNC_MAX_WIDTH / VNC_STAT_RECT) | |
94 | #define VNC_STAT_ROWS (VNC_MAX_HEIGHT / VNC_STAT_RECT) | |
95 | ||
19a490bf AL |
96 | #define VNC_AUTH_CHALLENGE_SIZE 16 |
97 | ||
98 | typedef struct VncDisplay VncDisplay; | |
99 | ||
5fb6c7a8 | 100 | #include "vnc-auth-vencrypt.h" |
2f9606b3 AL |
101 | #ifdef CONFIG_VNC_SASL |
102 | #include "vnc-auth-sasl.h" | |
103 | #endif | |
7536ee4b | 104 | #include "vnc-ws.h" |
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; |
bea60dd7 PL |
121 | DECLARE_BITMAP(dirty[VNC_MAX_HEIGHT], |
122 | VNC_MAX_WIDTH / VNC_DIRTY_PIXELS_PER_BIT); | |
999342a0 | 123 | VncRectStat stats[VNC_STAT_ROWS][VNC_STAT_COLS]; |
9f64916d GH |
124 | pixman_image_t *fb; |
125 | pixman_format_code_t format; | |
1fc62412 | 126 | }; |
5fb6c7a8 | 127 | |
8cf36489 GH |
128 | typedef enum VncShareMode { |
129 | VNC_SHARE_MODE_CONNECTING = 1, | |
130 | VNC_SHARE_MODE_SHARED, | |
131 | VNC_SHARE_MODE_EXCLUSIVE, | |
132 | VNC_SHARE_MODE_DISCONNECTED, | |
133 | } VncShareMode; | |
134 | ||
135 | typedef enum VncSharePolicy { | |
136 | VNC_SHARE_POLICY_IGNORE = 1, | |
137 | VNC_SHARE_POLICY_ALLOW_EXCLUSIVE, | |
138 | VNC_SHARE_POLICY_FORCE_SHARED, | |
139 | } VncSharePolicy; | |
140 | ||
19a490bf AL |
141 | struct VncDisplay |
142 | { | |
41b4bef6 | 143 | QTAILQ_HEAD(, VncState) clients; |
e5f34cdd GH |
144 | int num_connecting; |
145 | int num_shared; | |
8cf36489 | 146 | int num_exclusive; |
e5f34cdd | 147 | int connections_limit; |
8cf36489 | 148 | VncSharePolicy share_policy; |
04d2529d DB |
149 | QIOChannelSocket *lsock; |
150 | guint lsock_tag; | |
151 | QIOChannelSocket *lwebsock; | |
152 | guint lwebsock_tag; | |
d39fa6d8 | 153 | DisplaySurface *ds; |
21ef45d7 | 154 | DisplayChangeListener dcl; |
c227f099 | 155 | kbd_layout_t *kbd_layout; |
3a0558b5 | 156 | int lock_key_sync; |
c5ce8333 | 157 | int key_delay_ms; |
bd023f95 | 158 | QemuMutex mutex; |
19a490bf | 159 | |
d467b679 GH |
160 | QEMUCursor *cursor; |
161 | int cursor_msize; | |
162 | uint8_t *cursor_mask; | |
163 | ||
1fc62412 | 164 | struct VncSurface guest; /* guest visible surface (aka ds->surface) */ |
9f64916d | 165 | pixman_image_t *server; /* vnc server surface */ |
1fc62412 | 166 | |
d616ccc5 GH |
167 | const char *id; |
168 | QTAILQ_ENTRY(VncDisplay) next; | |
bf7aa45e | 169 | bool is_unix; |
19a490bf | 170 | char *password; |
3c9405a0 | 171 | time_t expires; |
19a490bf | 172 | int auth; |
d169f04b | 173 | int subauth; /* Used by VeNCrypt */ |
f9148c8a | 174 | int ws_auth; /* Used by websockets */ |
eda24e18 | 175 | int ws_subauth; /* Used by websockets */ |
6f9c78c1 | 176 | bool lossy; |
80e0c8c3 | 177 | bool non_adaptive; |
3e305e4a DB |
178 | QCryptoTLSCreds *tlscreds; |
179 | char *tlsaclname; | |
76655d6d AL |
180 | #ifdef CONFIG_VNC_SASL |
181 | VncDisplaySASL sasl; | |
182 | #endif | |
19a490bf AL |
183 | }; |
184 | ||
d1af0e05 CC |
185 | typedef struct VncTight { |
186 | int type; | |
187 | uint8_t quality; | |
188 | uint8_t compression; | |
189 | uint8_t pixel24; | |
190 | Buffer tight; | |
191 | Buffer tmp; | |
192 | Buffer zlib; | |
193 | Buffer gradient; | |
194 | #ifdef CONFIG_VNC_JPEG | |
195 | Buffer jpeg; | |
196 | #endif | |
197 | #ifdef CONFIG_VNC_PNG | |
198 | Buffer png; | |
199 | #endif | |
200 | int levels[4]; | |
201 | z_stream stream[4]; | |
202 | } VncTight; | |
203 | ||
204 | typedef struct VncHextile { | |
205 | VncSendHextileTile *send_tile; | |
206 | } VncHextile; | |
207 | ||
208 | typedef struct VncZlib { | |
209 | Buffer zlib; | |
210 | Buffer tmp; | |
211 | z_stream stream; | |
212 | int level; | |
213 | } VncZlib; | |
214 | ||
148954fa CC |
215 | typedef struct VncZrle { |
216 | int type; | |
217 | Buffer fb; | |
218 | Buffer zrle; | |
219 | Buffer tmp; | |
220 | Buffer zlib; | |
221 | z_stream stream; | |
222 | VncPalette palette; | |
223 | } VncZrle; | |
224 | ||
225 | typedef struct VncZywrle { | |
226 | int buf[VNC_ZRLE_TILE_WIDTH * VNC_ZRLE_TILE_HEIGHT]; | |
227 | } VncZywrle; | |
228 | ||
bd023f95 CC |
229 | struct VncRect |
230 | { | |
231 | int x; | |
232 | int y; | |
233 | int w; | |
234 | int h; | |
235 | }; | |
236 | ||
237 | struct VncRectEntry | |
238 | { | |
239 | struct VncRect rect; | |
240 | QLIST_ENTRY(VncRectEntry) next; | |
241 | }; | |
242 | ||
243 | struct VncJob | |
244 | { | |
245 | VncState *vs; | |
246 | ||
247 | QLIST_HEAD(, VncRectEntry) rectangles; | |
248 | QTAILQ_ENTRY(VncJob) next; | |
249 | }; | |
bd023f95 | 250 | |
19a490bf AL |
251 | struct VncState |
252 | { | |
04d2529d DB |
253 | QIOChannelSocket *sioc; /* The underlying socket */ |
254 | QIOChannel *ioc; /* The channel currently used for I/O */ | |
255 | guint ioc_tag; | |
256 | gboolean disconnecting; | |
6baebed7 | 257 | |
23bfe28f | 258 | DECLARE_BITMAP(dirty[VNC_MAX_HEIGHT], VNC_DIRTY_BITS); |
7d964c9d CC |
259 | uint8_t **lossy_rect; /* Not an Array to avoid costly memcpy in |
260 | * vnc-jobs-async.c */ | |
6baebed7 | 261 | |
19a490bf AL |
262 | VncDisplay *vd; |
263 | int need_update; | |
c522d0e2 | 264 | int force_update; |
63658280 | 265 | int has_dirty; |
19a490bf AL |
266 | uint32_t features; |
267 | int absolute; | |
268 | int last_x; | |
269 | int last_y; | |
14768eba | 270 | uint32_t last_bmask; |
5862d195 GH |
271 | int client_width; |
272 | int client_height; | |
8cf36489 | 273 | VncShareMode share_mode; |
19a490bf AL |
274 | |
275 | uint32_t vnc_encoding; | |
19a490bf AL |
276 | |
277 | int major; | |
278 | int minor; | |
279 | ||
7e7e2ebc | 280 | int auth; |
d169f04b | 281 | int subauth; /* Used by VeNCrypt */ |
19a490bf | 282 | char challenge[VNC_AUTH_CHALLENGE_SIZE]; |
2cc45228 | 283 | QCryptoTLSSession *tls; /* Borrowed pointer from channel, don't free */ |
2f9606b3 AL |
284 | #ifdef CONFIG_VNC_SASL |
285 | VncStateSASL sasl; | |
286 | #endif | |
7536ee4b TH |
287 | bool encode_ws; |
288 | bool websocket; | |
19a490bf | 289 | |
fb6ba0d5 | 290 | VncClientInfo *info; |
4a80dba3 | 291 | |
19a490bf AL |
292 | Buffer output; |
293 | Buffer input; | |
294 | /* current output mode information */ | |
295 | VncWritePixels *write_pixels; | |
9f64916d GH |
296 | PixelFormat client_pf; |
297 | pixman_format_code_t client_format; | |
298 | bool client_be; | |
19a490bf AL |
299 | |
300 | CaptureVoiceOut *audio_cap; | |
301 | struct audsettings as; | |
302 | ||
303 | VncReadEvent *read_handler; | |
304 | size_t read_handler_expect; | |
305 | /* input */ | |
306 | uint8_t modifiers_state[256]; | |
7ffb82ca | 307 | QEMUPutLEDEntry *led; |
19a490bf | 308 | |
bd023f95 | 309 | bool abort; |
bd023f95 | 310 | QemuMutex output_mutex; |
175b2a6e CC |
311 | QEMUBH *bh; |
312 | Buffer jobs_buffer; | |
bd023f95 CC |
313 | |
314 | /* Encoding specific, if you add something here, don't forget to | |
315 | * update vnc_async_encoding_start() | |
316 | */ | |
d1af0e05 CC |
317 | VncTight tight; |
318 | VncZlib zlib; | |
319 | VncHextile hextile; | |
148954fa CC |
320 | VncZrle zrle; |
321 | VncZywrle zywrle; | |
19a490bf | 322 | |
37c34d9d AL |
323 | Notifier mouse_mode_notifier; |
324 | ||
41b4bef6 | 325 | QTAILQ_ENTRY(VncState) next; |
19a490bf AL |
326 | }; |
327 | ||
e06679fb AL |
328 | |
329 | /***************************************************************************** | |
330 | * | |
331 | * Authentication modes | |
332 | * | |
333 | *****************************************************************************/ | |
334 | ||
335 | enum { | |
336 | VNC_AUTH_INVALID = 0, | |
337 | VNC_AUTH_NONE = 1, | |
338 | VNC_AUTH_VNC = 2, | |
339 | VNC_AUTH_RA2 = 5, | |
340 | VNC_AUTH_RA2NE = 6, | |
341 | VNC_AUTH_TIGHT = 16, | |
342 | VNC_AUTH_ULTRA = 17, | |
2f9606b3 AL |
343 | VNC_AUTH_TLS = 18, /* Supported in GTK-VNC & VINO */ |
344 | VNC_AUTH_VENCRYPT = 19, /* Supported in GTK-VNC & VeNCrypt */ | |
345 | VNC_AUTH_SASL = 20, /* Supported in GTK-VNC & VINO */ | |
e06679fb AL |
346 | }; |
347 | ||
e06679fb AL |
348 | enum { |
349 | VNC_AUTH_VENCRYPT_PLAIN = 256, | |
350 | VNC_AUTH_VENCRYPT_TLSNONE = 257, | |
351 | VNC_AUTH_VENCRYPT_TLSVNC = 258, | |
352 | VNC_AUTH_VENCRYPT_TLSPLAIN = 259, | |
353 | VNC_AUTH_VENCRYPT_X509NONE = 260, | |
354 | VNC_AUTH_VENCRYPT_X509VNC = 261, | |
355 | VNC_AUTH_VENCRYPT_X509PLAIN = 262, | |
2f9606b3 AL |
356 | VNC_AUTH_VENCRYPT_X509SASL = 263, |
357 | VNC_AUTH_VENCRYPT_TLSSASL = 264, | |
e06679fb AL |
358 | }; |
359 | ||
e06679fb AL |
360 | |
361 | /***************************************************************************** | |
362 | * | |
363 | * Encoding types | |
364 | * | |
365 | *****************************************************************************/ | |
366 | ||
367 | #define VNC_ENCODING_RAW 0x00000000 | |
368 | #define VNC_ENCODING_COPYRECT 0x00000001 | |
369 | #define VNC_ENCODING_RRE 0x00000002 | |
370 | #define VNC_ENCODING_CORRE 0x00000004 | |
371 | #define VNC_ENCODING_HEXTILE 0x00000005 | |
372 | #define VNC_ENCODING_ZLIB 0x00000006 | |
373 | #define VNC_ENCODING_TIGHT 0x00000007 | |
374 | #define VNC_ENCODING_ZLIBHEX 0x00000008 | |
375 | #define VNC_ENCODING_TRLE 0x0000000f | |
376 | #define VNC_ENCODING_ZRLE 0x00000010 | |
377 | #define VNC_ENCODING_ZYWRLE 0x00000011 | |
378 | #define VNC_ENCODING_COMPRESSLEVEL0 0xFFFFFF00 /* -256 */ | |
379 | #define VNC_ENCODING_QUALITYLEVEL0 0xFFFFFFE0 /* -32 */ | |
380 | #define VNC_ENCODING_XCURSOR 0xFFFFFF10 /* -240 */ | |
381 | #define VNC_ENCODING_RICH_CURSOR 0xFFFFFF11 /* -239 */ | |
382 | #define VNC_ENCODING_POINTER_POS 0xFFFFFF18 /* -232 */ | |
383 | #define VNC_ENCODING_LASTRECT 0xFFFFFF20 /* -224 */ | |
384 | #define VNC_ENCODING_DESKTOPRESIZE 0xFFFFFF21 /* -223 */ | |
385 | #define VNC_ENCODING_POINTER_TYPE_CHANGE 0XFFFFFEFF /* -257 */ | |
386 | #define VNC_ENCODING_EXT_KEY_EVENT 0XFFFFFEFE /* -258 */ | |
387 | #define VNC_ENCODING_AUDIO 0XFFFFFEFD /* -259 */ | |
efe556ad | 388 | #define VNC_ENCODING_TIGHT_PNG 0xFFFFFEFC /* -260 */ |
ab99e5c1 | 389 | #define VNC_ENCODING_LED_STATE 0XFFFFFEFB /* -261 */ |
e06679fb AL |
390 | #define VNC_ENCODING_WMVi 0x574D5669 |
391 | ||
392 | /***************************************************************************** | |
393 | * | |
394 | * Other tight constants | |
395 | * | |
396 | *****************************************************************************/ | |
397 | ||
398 | /* | |
399 | * Vendors known by TightVNC: standard VNC/RealVNC, TridiaVNC, and TightVNC. | |
400 | */ | |
401 | ||
402 | #define VNC_TIGHT_CCB_RESET_MASK (0x0f) | |
403 | #define VNC_TIGHT_CCB_TYPE_MASK (0x0f << 4) | |
404 | #define VNC_TIGHT_CCB_TYPE_FILL (0x08 << 4) | |
405 | #define VNC_TIGHT_CCB_TYPE_JPEG (0x09 << 4) | |
efe556ad | 406 | #define VNC_TIGHT_CCB_TYPE_PNG (0x0A << 4) |
e06679fb AL |
407 | #define VNC_TIGHT_CCB_BASIC_MAX (0x07 << 4) |
408 | #define VNC_TIGHT_CCB_BASIC_ZLIB (0x03 << 4) | |
409 | #define VNC_TIGHT_CCB_BASIC_FILTER (0x04 << 4) | |
410 | ||
411 | /***************************************************************************** | |
412 | * | |
413 | * Features | |
414 | * | |
415 | *****************************************************************************/ | |
416 | ||
417 | #define VNC_FEATURE_RESIZE 0 | |
418 | #define VNC_FEATURE_HEXTILE 1 | |
419 | #define VNC_FEATURE_POINTER_TYPE_CHANGE 2 | |
420 | #define VNC_FEATURE_WMVI 3 | |
421 | #define VNC_FEATURE_TIGHT 4 | |
422 | #define VNC_FEATURE_ZLIB 5 | |
753b4053 | 423 | #define VNC_FEATURE_COPYRECT 6 |
d467b679 | 424 | #define VNC_FEATURE_RICH_CURSOR 7 |
efe556ad | 425 | #define VNC_FEATURE_TIGHT_PNG 8 |
148954fa CC |
426 | #define VNC_FEATURE_ZRLE 9 |
427 | #define VNC_FEATURE_ZYWRLE 10 | |
ab99e5c1 | 428 | #define VNC_FEATURE_LED_STATE 11 |
e06679fb AL |
429 | |
430 | #define VNC_FEATURE_RESIZE_MASK (1 << VNC_FEATURE_RESIZE) | |
431 | #define VNC_FEATURE_HEXTILE_MASK (1 << VNC_FEATURE_HEXTILE) | |
432 | #define VNC_FEATURE_POINTER_TYPE_CHANGE_MASK (1 << VNC_FEATURE_POINTER_TYPE_CHANGE) | |
433 | #define VNC_FEATURE_WMVI_MASK (1 << VNC_FEATURE_WMVI) | |
434 | #define VNC_FEATURE_TIGHT_MASK (1 << VNC_FEATURE_TIGHT) | |
435 | #define VNC_FEATURE_ZLIB_MASK (1 << VNC_FEATURE_ZLIB) | |
753b4053 | 436 | #define VNC_FEATURE_COPYRECT_MASK (1 << VNC_FEATURE_COPYRECT) |
d467b679 | 437 | #define VNC_FEATURE_RICH_CURSOR_MASK (1 << VNC_FEATURE_RICH_CURSOR) |
efe556ad | 438 | #define VNC_FEATURE_TIGHT_PNG_MASK (1 << VNC_FEATURE_TIGHT_PNG) |
148954fa CC |
439 | #define VNC_FEATURE_ZRLE_MASK (1 << VNC_FEATURE_ZRLE) |
440 | #define VNC_FEATURE_ZYWRLE_MASK (1 << VNC_FEATURE_ZYWRLE) | |
ab99e5c1 | 441 | #define VNC_FEATURE_LED_STATE_MASK (1 << VNC_FEATURE_LED_STATE) |
e06679fb | 442 | |
5fb6c7a8 | 443 | |
46a183da DB |
444 | /* Client -> Server message IDs */ |
445 | #define VNC_MSG_CLIENT_SET_PIXEL_FORMAT 0 | |
446 | #define VNC_MSG_CLIENT_SET_ENCODINGS 2 | |
447 | #define VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST 3 | |
448 | #define VNC_MSG_CLIENT_KEY_EVENT 4 | |
449 | #define VNC_MSG_CLIENT_POINTER_EVENT 5 | |
450 | #define VNC_MSG_CLIENT_CUT_TEXT 6 | |
451 | #define VNC_MSG_CLIENT_VMWARE_0 127 | |
452 | #define VNC_MSG_CLIENT_CALL_CONTROL 249 | |
453 | #define VNC_MSG_CLIENT_XVP 250 | |
454 | #define VNC_MSG_CLIENT_SET_DESKTOP_SIZE 251 | |
455 | #define VNC_MSG_CLIENT_TIGHT 252 | |
456 | #define VNC_MSG_CLIENT_GII 253 | |
457 | #define VNC_MSG_CLIENT_VMWARE_1 254 | |
458 | #define VNC_MSG_CLIENT_QEMU 255 | |
459 | ||
460 | /* Server -> Client message IDs */ | |
461 | #define VNC_MSG_SERVER_FRAMEBUFFER_UPDATE 0 | |
462 | #define VNC_MSG_SERVER_SET_COLOUR_MAP_ENTRIES 1 | |
463 | #define VNC_MSG_SERVER_BELL 2 | |
464 | #define VNC_MSG_SERVER_CUT_TEXT 3 | |
465 | #define VNC_MSG_SERVER_VMWARE_0 127 | |
466 | #define VNC_MSG_SERVER_CALL_CONTROL 249 | |
467 | #define VNC_MSG_SERVER_XVP 250 | |
468 | #define VNC_MSG_SERVER_TIGHT 252 | |
469 | #define VNC_MSG_SERVER_GII 253 | |
470 | #define VNC_MSG_SERVER_VMWARE_1 254 | |
471 | #define VNC_MSG_SERVER_QEMU 255 | |
472 | ||
473 | ||
474 | ||
475 | /* QEMU client -> server message IDs */ | |
476 | #define VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT 0 | |
477 | #define VNC_MSG_CLIENT_QEMU_AUDIO 1 | |
478 | ||
479 | /* QEMU server -> client message IDs */ | |
480 | #define VNC_MSG_SERVER_QEMU_AUDIO 1 | |
481 | ||
482 | ||
483 | ||
484 | /* QEMU client -> server audio message IDs */ | |
485 | #define VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE 0 | |
486 | #define VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE 1 | |
487 | #define VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT 2 | |
488 | ||
489 | /* QEMU server -> client audio message IDs */ | |
490 | #define VNC_MSG_SERVER_QEMU_AUDIO_END 0 | |
491 | #define VNC_MSG_SERVER_QEMU_AUDIO_BEGIN 1 | |
492 | #define VNC_MSG_SERVER_QEMU_AUDIO_DATA 2 | |
493 | ||
494 | ||
5fb6c7a8 AL |
495 | /***************************************************************************** |
496 | * | |
497 | * Internal APIs | |
498 | * | |
499 | *****************************************************************************/ | |
500 | ||
501 | /* Event loop functions */ | |
04d2529d DB |
502 | gboolean vnc_client_io(QIOChannel *ioc, |
503 | GIOCondition condition, | |
504 | void *opaque); | |
5fb6c7a8 | 505 | |
fdd1ab6a DB |
506 | ssize_t vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen); |
507 | ssize_t vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen); | |
5fb6c7a8 AL |
508 | |
509 | /* Protocol I/O functions */ | |
510 | void vnc_write(VncState *vs, const void *data, size_t len); | |
511 | void vnc_write_u32(VncState *vs, uint32_t value); | |
512 | void vnc_write_s32(VncState *vs, int32_t value); | |
513 | void vnc_write_u16(VncState *vs, uint16_t value); | |
514 | void vnc_write_u8(VncState *vs, uint8_t value); | |
515 | void vnc_flush(VncState *vs); | |
516 | void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting); | |
7536ee4b | 517 | void vnc_disconnect_finish(VncState *vs); |
dbee9897 | 518 | void vnc_start_protocol(VncState *vs); |
5fb6c7a8 AL |
519 | |
520 | ||
521 | /* Buffer I/O functions */ | |
5fb6c7a8 AL |
522 | uint32_t read_u32(uint8_t *data, size_t offset); |
523 | ||
524 | /* Protocol stage functions */ | |
525 | void vnc_client_error(VncState *vs); | |
04d2529d | 526 | ssize_t vnc_client_io_error(VncState *vs, ssize_t ret, Error **errp); |
5fb6c7a8 AL |
527 | |
528 | void start_client_init(VncState *vs); | |
529 | void start_auth_vnc(VncState *vs); | |
530 | ||
2f9606b3 AL |
531 | |
532 | /* Misc helpers */ | |
533 | ||
efe556ad CC |
534 | static inline uint32_t vnc_has_feature(VncState *vs, int feature) { |
535 | return (vs->features & (1 << feature)); | |
536 | } | |
537 | ||
70a4568f CC |
538 | /* Framebuffer */ |
539 | void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, | |
540 | int32_t encoding); | |
541 | ||
9f64916d GH |
542 | /* server fb is in PIXMAN_x8r8g8b8 */ |
543 | #define VNC_SERVER_FB_FORMAT PIXMAN_FORMAT(32, PIXMAN_TYPE_ARGB, 0, 8, 8, 8) | |
544 | #define VNC_SERVER_FB_BITS (PIXMAN_FORMAT_BPP(VNC_SERVER_FB_FORMAT)) | |
545 | #define VNC_SERVER_FB_BYTES ((VNC_SERVER_FB_BITS+7)/8) | |
546 | ||
547 | void *vnc_server_fb_ptr(VncDisplay *vd, int x, int y); | |
548 | int vnc_server_fb_stride(VncDisplay *vd); | |
549 | ||
70a4568f | 550 | void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v); |
999342a0 | 551 | double vnc_update_freq(VncState *vs, int x, int y, int w, int h); |
7d964c9d | 552 | void vnc_sent_lossy_rect(VncState *vs, int x, int y, int w, int h); |
70a4568f CC |
553 | |
554 | /* Encodings */ | |
bd023f95 CC |
555 | int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
556 | ||
a885211e | 557 | int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
70a4568f | 558 | |
a885211e | 559 | int vnc_hextile_send_framebuffer_update(VncState *vs, int x, |
70a4568f CC |
560 | int y, int w, int h); |
561 | void vnc_hextile_set_pixel_conversion(VncState *vs, int generic); | |
562 | ||
380282b0 CC |
563 | void *vnc_zlib_zalloc(void *x, unsigned items, unsigned size); |
564 | void vnc_zlib_zfree(void *x, void *addr); | |
a885211e | 565 | int vnc_zlib_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
161c4f20 | 566 | void vnc_zlib_clear(VncState *vs); |
70a4568f | 567 | |
380282b0 | 568 | int vnc_tight_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
efe556ad CC |
569 | int vnc_tight_png_send_framebuffer_update(VncState *vs, int x, int y, |
570 | int w, int h); | |
380282b0 CC |
571 | void vnc_tight_clear(VncState *vs); |
572 | ||
148954fa CC |
573 | int vnc_zrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); |
574 | int vnc_zywrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); | |
575 | void vnc_zrle_clear(VncState *vs); | |
576 | ||
2a6a4076 | 577 | #endif /* QEMU_VNC_H */ |