13e230dd2SCorentin Chary /* 23e230dd2SCorentin Chary * QEMU VNC display driver 33e230dd2SCorentin Chary * 43e230dd2SCorentin Chary * Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws> 53e230dd2SCorentin Chary * Copyright (C) 2006 Fabrice Bellard 63e230dd2SCorentin Chary * Copyright (C) 2009 Red Hat, Inc 73e230dd2SCorentin Chary * 83e230dd2SCorentin Chary * Permission is hereby granted, free of charge, to any person obtaining a copy 93e230dd2SCorentin Chary * of this software and associated documentation files (the "Software"), to deal 103e230dd2SCorentin Chary * in the Software without restriction, including without limitation the rights 113e230dd2SCorentin Chary * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 123e230dd2SCorentin Chary * copies of the Software, and to permit persons to whom the Software is 133e230dd2SCorentin Chary * furnished to do so, subject to the following conditions: 143e230dd2SCorentin Chary * 153e230dd2SCorentin Chary * The above copyright notice and this permission notice shall be included in 163e230dd2SCorentin Chary * all copies or substantial portions of the Software. 173e230dd2SCorentin Chary * 183e230dd2SCorentin Chary * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 193e230dd2SCorentin Chary * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 203e230dd2SCorentin Chary * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 213e230dd2SCorentin Chary * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 223e230dd2SCorentin Chary * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 233e230dd2SCorentin Chary * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 243e230dd2SCorentin Chary * THE SOFTWARE. 253e230dd2SCorentin Chary */ 263e230dd2SCorentin Chary 273e230dd2SCorentin Chary #ifndef __QEMU_VNC_H 283e230dd2SCorentin Chary #define __QEMU_VNC_H 293e230dd2SCorentin Chary 303e230dd2SCorentin Chary #include "qemu-common.h" 313e230dd2SCorentin Chary #include "qemu-queue.h" 32bd023f95SCorentin Chary #ifdef CONFIG_VNC_THREAD 33bd023f95SCorentin Chary #include "qemu-thread.h" 34bd023f95SCorentin Chary #endif 353e230dd2SCorentin Chary #include "console.h" 363e230dd2SCorentin Chary #include "monitor.h" 373e230dd2SCorentin Chary #include "audio/audio.h" 38*bc2429b9SCorentin Chary #include "bitmap.h" 393e230dd2SCorentin Chary #include <zlib.h> 403e230dd2SCorentin Chary #include <stdbool.h> 413e230dd2SCorentin Chary 423e230dd2SCorentin Chary #include "keymaps.h" 43148954faSCorentin Chary #include "vnc-palette.h" 44148954faSCorentin Chary #include "vnc-enc-zrle.h" 453e230dd2SCorentin Chary 463e230dd2SCorentin Chary // #define _VNC_DEBUG 1 473e230dd2SCorentin Chary 483e230dd2SCorentin Chary #ifdef _VNC_DEBUG 493e230dd2SCorentin Chary #define VNC_DEBUG(fmt, ...) do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) 503e230dd2SCorentin Chary #else 513e230dd2SCorentin Chary #define VNC_DEBUG(fmt, ...) do { } while (0) 523e230dd2SCorentin Chary #endif 533e230dd2SCorentin Chary 543e230dd2SCorentin Chary /***************************************************************************** 553e230dd2SCorentin Chary * 563e230dd2SCorentin Chary * Core data structures 573e230dd2SCorentin Chary * 583e230dd2SCorentin Chary *****************************************************************************/ 593e230dd2SCorentin Chary 603e230dd2SCorentin Chary typedef struct Buffer 613e230dd2SCorentin Chary { 623e230dd2SCorentin Chary size_t capacity; 633e230dd2SCorentin Chary size_t offset; 643e230dd2SCorentin Chary uint8_t *buffer; 653e230dd2SCorentin Chary } Buffer; 663e230dd2SCorentin Chary 673e230dd2SCorentin Chary typedef struct VncState VncState; 68bd023f95SCorentin Chary typedef struct VncJob VncJob; 69bd023f95SCorentin Chary typedef struct VncRect VncRect; 70bd023f95SCorentin Chary typedef struct VncRectEntry VncRectEntry; 713e230dd2SCorentin Chary 723e230dd2SCorentin Chary typedef int VncReadEvent(VncState *vs, uint8_t *data, size_t len); 733e230dd2SCorentin Chary 743e230dd2SCorentin Chary typedef void VncWritePixels(VncState *vs, struct PixelFormat *pf, void *data, int size); 753e230dd2SCorentin Chary 763e230dd2SCorentin Chary typedef void VncSendHextileTile(VncState *vs, 773e230dd2SCorentin Chary int x, int y, int w, int h, 783e230dd2SCorentin Chary void *last_bg, 793e230dd2SCorentin Chary void *last_fg, 803e230dd2SCorentin Chary int *has_bg, int *has_fg); 813e230dd2SCorentin Chary 823e230dd2SCorentin Chary #define VNC_MAX_WIDTH 2560 833e230dd2SCorentin Chary #define VNC_MAX_HEIGHT 2048 84*bc2429b9SCorentin Chary #define VNC_DIRTY_WORDS (VNC_MAX_WIDTH / (16 * BITS_PER_LONG)) 853e230dd2SCorentin Chary 86999342a0SCorentin Chary #define VNC_STAT_RECT 64 87999342a0SCorentin Chary #define VNC_STAT_COLS (VNC_MAX_WIDTH / VNC_STAT_RECT) 88999342a0SCorentin Chary #define VNC_STAT_ROWS (VNC_MAX_HEIGHT / VNC_STAT_RECT) 89999342a0SCorentin Chary 903e230dd2SCorentin Chary #define VNC_AUTH_CHALLENGE_SIZE 16 913e230dd2SCorentin Chary 923e230dd2SCorentin Chary typedef struct VncDisplay VncDisplay; 933e230dd2SCorentin Chary 943e230dd2SCorentin Chary #ifdef CONFIG_VNC_TLS 953e230dd2SCorentin Chary #include "vnc-tls.h" 963e230dd2SCorentin Chary #include "vnc-auth-vencrypt.h" 973e230dd2SCorentin Chary #endif 983e230dd2SCorentin Chary #ifdef CONFIG_VNC_SASL 993e230dd2SCorentin Chary #include "vnc-auth-sasl.h" 1003e230dd2SCorentin Chary #endif 1013e230dd2SCorentin Chary 102999342a0SCorentin Chary struct VncRectStat 103999342a0SCorentin Chary { 104999342a0SCorentin Chary /* time of last 10 updates, to find update frequency */ 105999342a0SCorentin Chary struct timeval times[10]; 106999342a0SCorentin Chary int idx; 107999342a0SCorentin Chary 108999342a0SCorentin Chary double freq; /* Update frequency (in Hz) */ 109999342a0SCorentin Chary bool updated; /* Already updated during this refresh */ 110999342a0SCorentin Chary }; 111999342a0SCorentin Chary 112999342a0SCorentin Chary typedef struct VncRectStat VncRectStat; 113999342a0SCorentin Chary 1143e230dd2SCorentin Chary struct VncSurface 1153e230dd2SCorentin Chary { 116999342a0SCorentin Chary struct timeval last_freq_check; 117*bc2429b9SCorentin Chary unsigned long dirty[VNC_MAX_HEIGHT][VNC_DIRTY_WORDS]; 118999342a0SCorentin Chary VncRectStat stats[VNC_STAT_ROWS][VNC_STAT_COLS]; 1193e230dd2SCorentin Chary DisplaySurface *ds; 1203e230dd2SCorentin Chary }; 1213e230dd2SCorentin Chary 1223e230dd2SCorentin Chary struct VncDisplay 1233e230dd2SCorentin Chary { 1243e230dd2SCorentin Chary QTAILQ_HEAD(, VncState) clients; 1253e230dd2SCorentin Chary QEMUTimer *timer; 1263e230dd2SCorentin Chary int timer_interval; 1273e230dd2SCorentin Chary int lsock; 1283e230dd2SCorentin Chary DisplayState *ds; 1293e230dd2SCorentin Chary kbd_layout_t *kbd_layout; 1303e230dd2SCorentin Chary int lock_key_sync; 131bd023f95SCorentin Chary #ifdef CONFIG_VNC_THREAD 132bd023f95SCorentin Chary QemuMutex mutex; 133bd023f95SCorentin Chary #endif 1343e230dd2SCorentin Chary 1353e230dd2SCorentin Chary QEMUCursor *cursor; 1363e230dd2SCorentin Chary int cursor_msize; 1373e230dd2SCorentin Chary uint8_t *cursor_mask; 1383e230dd2SCorentin Chary 1393e230dd2SCorentin Chary struct VncSurface guest; /* guest visible surface (aka ds->surface) */ 1403e230dd2SCorentin Chary DisplaySurface *server; /* vnc server surface */ 1413e230dd2SCorentin Chary 1423e230dd2SCorentin Chary char *display; 1433e230dd2SCorentin Chary char *password; 1443c9405a0SGerd Hoffmann time_t expires; 1453e230dd2SCorentin Chary int auth; 1463e230dd2SCorentin Chary bool lossy; 1473e230dd2SCorentin Chary #ifdef CONFIG_VNC_TLS 1483e230dd2SCorentin Chary int subauth; /* Used by VeNCrypt */ 1493e230dd2SCorentin Chary VncDisplayTLS tls; 1503e230dd2SCorentin Chary #endif 1513e230dd2SCorentin Chary #ifdef CONFIG_VNC_SASL 1523e230dd2SCorentin Chary VncDisplaySASL sasl; 1533e230dd2SCorentin Chary #endif 1543e230dd2SCorentin Chary }; 1553e230dd2SCorentin Chary 156d1af0e05SCorentin Chary typedef struct VncTight { 157d1af0e05SCorentin Chary int type; 158d1af0e05SCorentin Chary uint8_t quality; 159d1af0e05SCorentin Chary uint8_t compression; 160d1af0e05SCorentin Chary uint8_t pixel24; 161d1af0e05SCorentin Chary Buffer tight; 162d1af0e05SCorentin Chary Buffer tmp; 163d1af0e05SCorentin Chary Buffer zlib; 164d1af0e05SCorentin Chary Buffer gradient; 165d1af0e05SCorentin Chary #ifdef CONFIG_VNC_JPEG 166d1af0e05SCorentin Chary Buffer jpeg; 167d1af0e05SCorentin Chary #endif 168d1af0e05SCorentin Chary #ifdef CONFIG_VNC_PNG 169d1af0e05SCorentin Chary Buffer png; 170d1af0e05SCorentin Chary #endif 171d1af0e05SCorentin Chary int levels[4]; 172d1af0e05SCorentin Chary z_stream stream[4]; 173d1af0e05SCorentin Chary } VncTight; 174d1af0e05SCorentin Chary 175d1af0e05SCorentin Chary typedef struct VncHextile { 176d1af0e05SCorentin Chary VncSendHextileTile *send_tile; 177d1af0e05SCorentin Chary } VncHextile; 178d1af0e05SCorentin Chary 179d1af0e05SCorentin Chary typedef struct VncZlib { 180d1af0e05SCorentin Chary Buffer zlib; 181d1af0e05SCorentin Chary Buffer tmp; 182d1af0e05SCorentin Chary z_stream stream; 183d1af0e05SCorentin Chary int level; 184d1af0e05SCorentin Chary } VncZlib; 185d1af0e05SCorentin Chary 186148954faSCorentin Chary typedef struct VncZrle { 187148954faSCorentin Chary int type; 188148954faSCorentin Chary Buffer fb; 189148954faSCorentin Chary Buffer zrle; 190148954faSCorentin Chary Buffer tmp; 191148954faSCorentin Chary Buffer zlib; 192148954faSCorentin Chary z_stream stream; 193148954faSCorentin Chary VncPalette palette; 194148954faSCorentin Chary } VncZrle; 195148954faSCorentin Chary 196148954faSCorentin Chary typedef struct VncZywrle { 197148954faSCorentin Chary int buf[VNC_ZRLE_TILE_WIDTH * VNC_ZRLE_TILE_HEIGHT]; 198148954faSCorentin Chary } VncZywrle; 199148954faSCorentin Chary 200bd023f95SCorentin Chary #ifdef CONFIG_VNC_THREAD 201bd023f95SCorentin Chary struct VncRect 202bd023f95SCorentin Chary { 203bd023f95SCorentin Chary int x; 204bd023f95SCorentin Chary int y; 205bd023f95SCorentin Chary int w; 206bd023f95SCorentin Chary int h; 207bd023f95SCorentin Chary }; 208bd023f95SCorentin Chary 209bd023f95SCorentin Chary struct VncRectEntry 210bd023f95SCorentin Chary { 211bd023f95SCorentin Chary struct VncRect rect; 212bd023f95SCorentin Chary QLIST_ENTRY(VncRectEntry) next; 213bd023f95SCorentin Chary }; 214bd023f95SCorentin Chary 215bd023f95SCorentin Chary struct VncJob 216bd023f95SCorentin Chary { 217bd023f95SCorentin Chary VncState *vs; 218bd023f95SCorentin Chary 219bd023f95SCorentin Chary QLIST_HEAD(, VncRectEntry) rectangles; 220bd023f95SCorentin Chary QTAILQ_ENTRY(VncJob) next; 221bd023f95SCorentin Chary }; 222bd023f95SCorentin Chary #else 223bd023f95SCorentin Chary struct VncJob 224bd023f95SCorentin Chary { 225bd023f95SCorentin Chary VncState *vs; 226bd023f95SCorentin Chary int rectangles; 227bd023f95SCorentin Chary size_t saved_offset; 228bd023f95SCorentin Chary }; 229bd023f95SCorentin Chary #endif 230bd023f95SCorentin Chary 2313e230dd2SCorentin Chary struct VncState 2323e230dd2SCorentin Chary { 2333e230dd2SCorentin Chary int csock; 2343e230dd2SCorentin Chary 2353e230dd2SCorentin Chary DisplayState *ds; 236*bc2429b9SCorentin Chary unsigned long dirty[VNC_MAX_HEIGHT][VNC_DIRTY_WORDS]; 2377d964c9dSCorentin Chary uint8_t **lossy_rect; /* Not an Array to avoid costly memcpy in 2387d964c9dSCorentin Chary * vnc-jobs-async.c */ 2393e230dd2SCorentin Chary 2403e230dd2SCorentin Chary VncDisplay *vd; 2413e230dd2SCorentin Chary int need_update; 2423e230dd2SCorentin Chary int force_update; 2433e230dd2SCorentin Chary uint32_t features; 2443e230dd2SCorentin Chary int absolute; 2453e230dd2SCorentin Chary int last_x; 2463e230dd2SCorentin Chary int last_y; 2473e230dd2SCorentin Chary int client_width; 2483e230dd2SCorentin Chary int client_height; 2493e230dd2SCorentin Chary 2503e230dd2SCorentin Chary uint32_t vnc_encoding; 2513e230dd2SCorentin Chary 2523e230dd2SCorentin Chary int major; 2533e230dd2SCorentin Chary int minor; 2543e230dd2SCorentin Chary 2553e230dd2SCorentin Chary char challenge[VNC_AUTH_CHALLENGE_SIZE]; 2563e230dd2SCorentin Chary #ifdef CONFIG_VNC_TLS 2573e230dd2SCorentin Chary VncStateTLS tls; 2583e230dd2SCorentin Chary #endif 2593e230dd2SCorentin Chary #ifdef CONFIG_VNC_SASL 2603e230dd2SCorentin Chary VncStateSASL sasl; 2613e230dd2SCorentin Chary #endif 2623e230dd2SCorentin Chary 2633e230dd2SCorentin Chary QObject *info; 2643e230dd2SCorentin Chary 2653e230dd2SCorentin Chary Buffer output; 2663e230dd2SCorentin Chary Buffer input; 2673e230dd2SCorentin Chary /* current output mode information */ 2683e230dd2SCorentin Chary VncWritePixels *write_pixels; 2693e230dd2SCorentin Chary DisplaySurface clientds; 2703e230dd2SCorentin Chary 2713e230dd2SCorentin Chary CaptureVoiceOut *audio_cap; 2723e230dd2SCorentin Chary struct audsettings as; 2733e230dd2SCorentin Chary 2743e230dd2SCorentin Chary VncReadEvent *read_handler; 2753e230dd2SCorentin Chary size_t read_handler_expect; 2763e230dd2SCorentin Chary /* input */ 2773e230dd2SCorentin Chary uint8_t modifiers_state[256]; 2783e230dd2SCorentin Chary QEMUPutLEDEntry *led; 2793e230dd2SCorentin Chary 280bd023f95SCorentin Chary bool abort; 281bd023f95SCorentin Chary #ifndef CONFIG_VNC_THREAD 282bd023f95SCorentin Chary VncJob job; 283bd023f95SCorentin Chary #else 284bd023f95SCorentin Chary QemuMutex output_mutex; 285bd023f95SCorentin Chary #endif 286bd023f95SCorentin Chary 287bd023f95SCorentin Chary /* Encoding specific, if you add something here, don't forget to 288bd023f95SCorentin Chary * update vnc_async_encoding_start() 289bd023f95SCorentin Chary */ 290d1af0e05SCorentin Chary VncTight tight; 291d1af0e05SCorentin Chary VncZlib zlib; 292d1af0e05SCorentin Chary VncHextile hextile; 293148954faSCorentin Chary VncZrle zrle; 294148954faSCorentin Chary VncZywrle zywrle; 2953e230dd2SCorentin Chary 2963e230dd2SCorentin Chary Notifier mouse_mode_notifier; 2973e230dd2SCorentin Chary 2983e230dd2SCorentin Chary QTAILQ_ENTRY(VncState) next; 2993e230dd2SCorentin Chary }; 3003e230dd2SCorentin Chary 3013e230dd2SCorentin Chary 3023e230dd2SCorentin Chary /***************************************************************************** 3033e230dd2SCorentin Chary * 3043e230dd2SCorentin Chary * Authentication modes 3053e230dd2SCorentin Chary * 3063e230dd2SCorentin Chary *****************************************************************************/ 3073e230dd2SCorentin Chary 3083e230dd2SCorentin Chary enum { 3093e230dd2SCorentin Chary VNC_AUTH_INVALID = 0, 3103e230dd2SCorentin Chary VNC_AUTH_NONE = 1, 3113e230dd2SCorentin Chary VNC_AUTH_VNC = 2, 3123e230dd2SCorentin Chary VNC_AUTH_RA2 = 5, 3133e230dd2SCorentin Chary VNC_AUTH_RA2NE = 6, 3143e230dd2SCorentin Chary VNC_AUTH_TIGHT = 16, 3153e230dd2SCorentin Chary VNC_AUTH_ULTRA = 17, 3163e230dd2SCorentin Chary VNC_AUTH_TLS = 18, /* Supported in GTK-VNC & VINO */ 3173e230dd2SCorentin Chary VNC_AUTH_VENCRYPT = 19, /* Supported in GTK-VNC & VeNCrypt */ 3183e230dd2SCorentin Chary VNC_AUTH_SASL = 20, /* Supported in GTK-VNC & VINO */ 3193e230dd2SCorentin Chary }; 3203e230dd2SCorentin Chary 3213e230dd2SCorentin Chary enum { 3223e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_PLAIN = 256, 3233e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_TLSNONE = 257, 3243e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_TLSVNC = 258, 3253e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_TLSPLAIN = 259, 3263e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_X509NONE = 260, 3273e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_X509VNC = 261, 3283e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_X509PLAIN = 262, 3293e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_X509SASL = 263, 3303e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_TLSSASL = 264, 3313e230dd2SCorentin Chary }; 3323e230dd2SCorentin Chary 3333e230dd2SCorentin Chary 3343e230dd2SCorentin Chary /***************************************************************************** 3353e230dd2SCorentin Chary * 3363e230dd2SCorentin Chary * Encoding types 3373e230dd2SCorentin Chary * 3383e230dd2SCorentin Chary *****************************************************************************/ 3393e230dd2SCorentin Chary 3403e230dd2SCorentin Chary #define VNC_ENCODING_RAW 0x00000000 3413e230dd2SCorentin Chary #define VNC_ENCODING_COPYRECT 0x00000001 3423e230dd2SCorentin Chary #define VNC_ENCODING_RRE 0x00000002 3433e230dd2SCorentin Chary #define VNC_ENCODING_CORRE 0x00000004 3443e230dd2SCorentin Chary #define VNC_ENCODING_HEXTILE 0x00000005 3453e230dd2SCorentin Chary #define VNC_ENCODING_ZLIB 0x00000006 3463e230dd2SCorentin Chary #define VNC_ENCODING_TIGHT 0x00000007 3473e230dd2SCorentin Chary #define VNC_ENCODING_ZLIBHEX 0x00000008 3483e230dd2SCorentin Chary #define VNC_ENCODING_TRLE 0x0000000f 3493e230dd2SCorentin Chary #define VNC_ENCODING_ZRLE 0x00000010 3503e230dd2SCorentin Chary #define VNC_ENCODING_ZYWRLE 0x00000011 3513e230dd2SCorentin Chary #define VNC_ENCODING_COMPRESSLEVEL0 0xFFFFFF00 /* -256 */ 3523e230dd2SCorentin Chary #define VNC_ENCODING_QUALITYLEVEL0 0xFFFFFFE0 /* -32 */ 3533e230dd2SCorentin Chary #define VNC_ENCODING_XCURSOR 0xFFFFFF10 /* -240 */ 3543e230dd2SCorentin Chary #define VNC_ENCODING_RICH_CURSOR 0xFFFFFF11 /* -239 */ 3553e230dd2SCorentin Chary #define VNC_ENCODING_POINTER_POS 0xFFFFFF18 /* -232 */ 3563e230dd2SCorentin Chary #define VNC_ENCODING_LASTRECT 0xFFFFFF20 /* -224 */ 3573e230dd2SCorentin Chary #define VNC_ENCODING_DESKTOPRESIZE 0xFFFFFF21 /* -223 */ 3583e230dd2SCorentin Chary #define VNC_ENCODING_POINTER_TYPE_CHANGE 0XFFFFFEFF /* -257 */ 3593e230dd2SCorentin Chary #define VNC_ENCODING_EXT_KEY_EVENT 0XFFFFFEFE /* -258 */ 3603e230dd2SCorentin Chary #define VNC_ENCODING_AUDIO 0XFFFFFEFD /* -259 */ 361efe556adSCorentin Chary #define VNC_ENCODING_TIGHT_PNG 0xFFFFFEFC /* -260 */ 3623e230dd2SCorentin Chary #define VNC_ENCODING_WMVi 0x574D5669 3633e230dd2SCorentin Chary 3643e230dd2SCorentin Chary /***************************************************************************** 3653e230dd2SCorentin Chary * 3663e230dd2SCorentin Chary * Other tight constants 3673e230dd2SCorentin Chary * 3683e230dd2SCorentin Chary *****************************************************************************/ 3693e230dd2SCorentin Chary 3703e230dd2SCorentin Chary /* 3713e230dd2SCorentin Chary * Vendors known by TightVNC: standard VNC/RealVNC, TridiaVNC, and TightVNC. 3723e230dd2SCorentin Chary */ 3733e230dd2SCorentin Chary 3743e230dd2SCorentin Chary #define VNC_TIGHT_CCB_RESET_MASK (0x0f) 3753e230dd2SCorentin Chary #define VNC_TIGHT_CCB_TYPE_MASK (0x0f << 4) 3763e230dd2SCorentin Chary #define VNC_TIGHT_CCB_TYPE_FILL (0x08 << 4) 3773e230dd2SCorentin Chary #define VNC_TIGHT_CCB_TYPE_JPEG (0x09 << 4) 378efe556adSCorentin Chary #define VNC_TIGHT_CCB_TYPE_PNG (0x0A << 4) 3793e230dd2SCorentin Chary #define VNC_TIGHT_CCB_BASIC_MAX (0x07 << 4) 3803e230dd2SCorentin Chary #define VNC_TIGHT_CCB_BASIC_ZLIB (0x03 << 4) 3813e230dd2SCorentin Chary #define VNC_TIGHT_CCB_BASIC_FILTER (0x04 << 4) 3823e230dd2SCorentin Chary 3833e230dd2SCorentin Chary /***************************************************************************** 3843e230dd2SCorentin Chary * 3853e230dd2SCorentin Chary * Features 3863e230dd2SCorentin Chary * 3873e230dd2SCorentin Chary *****************************************************************************/ 3883e230dd2SCorentin Chary 3893e230dd2SCorentin Chary #define VNC_FEATURE_RESIZE 0 3903e230dd2SCorentin Chary #define VNC_FEATURE_HEXTILE 1 3913e230dd2SCorentin Chary #define VNC_FEATURE_POINTER_TYPE_CHANGE 2 3923e230dd2SCorentin Chary #define VNC_FEATURE_WMVI 3 3933e230dd2SCorentin Chary #define VNC_FEATURE_TIGHT 4 3943e230dd2SCorentin Chary #define VNC_FEATURE_ZLIB 5 3953e230dd2SCorentin Chary #define VNC_FEATURE_COPYRECT 6 3963e230dd2SCorentin Chary #define VNC_FEATURE_RICH_CURSOR 7 397efe556adSCorentin Chary #define VNC_FEATURE_TIGHT_PNG 8 398148954faSCorentin Chary #define VNC_FEATURE_ZRLE 9 399148954faSCorentin Chary #define VNC_FEATURE_ZYWRLE 10 4003e230dd2SCorentin Chary 4013e230dd2SCorentin Chary #define VNC_FEATURE_RESIZE_MASK (1 << VNC_FEATURE_RESIZE) 4023e230dd2SCorentin Chary #define VNC_FEATURE_HEXTILE_MASK (1 << VNC_FEATURE_HEXTILE) 4033e230dd2SCorentin Chary #define VNC_FEATURE_POINTER_TYPE_CHANGE_MASK (1 << VNC_FEATURE_POINTER_TYPE_CHANGE) 4043e230dd2SCorentin Chary #define VNC_FEATURE_WMVI_MASK (1 << VNC_FEATURE_WMVI) 4053e230dd2SCorentin Chary #define VNC_FEATURE_TIGHT_MASK (1 << VNC_FEATURE_TIGHT) 4063e230dd2SCorentin Chary #define VNC_FEATURE_ZLIB_MASK (1 << VNC_FEATURE_ZLIB) 4073e230dd2SCorentin Chary #define VNC_FEATURE_COPYRECT_MASK (1 << VNC_FEATURE_COPYRECT) 4083e230dd2SCorentin Chary #define VNC_FEATURE_RICH_CURSOR_MASK (1 << VNC_FEATURE_RICH_CURSOR) 409efe556adSCorentin Chary #define VNC_FEATURE_TIGHT_PNG_MASK (1 << VNC_FEATURE_TIGHT_PNG) 410148954faSCorentin Chary #define VNC_FEATURE_ZRLE_MASK (1 << VNC_FEATURE_ZRLE) 411148954faSCorentin Chary #define VNC_FEATURE_ZYWRLE_MASK (1 << VNC_FEATURE_ZYWRLE) 4123e230dd2SCorentin Chary 4133e230dd2SCorentin Chary 4143e230dd2SCorentin Chary /* Client -> Server message IDs */ 4153e230dd2SCorentin Chary #define VNC_MSG_CLIENT_SET_PIXEL_FORMAT 0 4163e230dd2SCorentin Chary #define VNC_MSG_CLIENT_SET_ENCODINGS 2 4173e230dd2SCorentin Chary #define VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST 3 4183e230dd2SCorentin Chary #define VNC_MSG_CLIENT_KEY_EVENT 4 4193e230dd2SCorentin Chary #define VNC_MSG_CLIENT_POINTER_EVENT 5 4203e230dd2SCorentin Chary #define VNC_MSG_CLIENT_CUT_TEXT 6 4213e230dd2SCorentin Chary #define VNC_MSG_CLIENT_VMWARE_0 127 4223e230dd2SCorentin Chary #define VNC_MSG_CLIENT_CALL_CONTROL 249 4233e230dd2SCorentin Chary #define VNC_MSG_CLIENT_XVP 250 4243e230dd2SCorentin Chary #define VNC_MSG_CLIENT_SET_DESKTOP_SIZE 251 4253e230dd2SCorentin Chary #define VNC_MSG_CLIENT_TIGHT 252 4263e230dd2SCorentin Chary #define VNC_MSG_CLIENT_GII 253 4273e230dd2SCorentin Chary #define VNC_MSG_CLIENT_VMWARE_1 254 4283e230dd2SCorentin Chary #define VNC_MSG_CLIENT_QEMU 255 4293e230dd2SCorentin Chary 4303e230dd2SCorentin Chary /* Server -> Client message IDs */ 4313e230dd2SCorentin Chary #define VNC_MSG_SERVER_FRAMEBUFFER_UPDATE 0 4323e230dd2SCorentin Chary #define VNC_MSG_SERVER_SET_COLOUR_MAP_ENTRIES 1 4333e230dd2SCorentin Chary #define VNC_MSG_SERVER_BELL 2 4343e230dd2SCorentin Chary #define VNC_MSG_SERVER_CUT_TEXT 3 4353e230dd2SCorentin Chary #define VNC_MSG_SERVER_VMWARE_0 127 4363e230dd2SCorentin Chary #define VNC_MSG_SERVER_CALL_CONTROL 249 4373e230dd2SCorentin Chary #define VNC_MSG_SERVER_XVP 250 4383e230dd2SCorentin Chary #define VNC_MSG_SERVER_TIGHT 252 4393e230dd2SCorentin Chary #define VNC_MSG_SERVER_GII 253 4403e230dd2SCorentin Chary #define VNC_MSG_SERVER_VMWARE_1 254 4413e230dd2SCorentin Chary #define VNC_MSG_SERVER_QEMU 255 4423e230dd2SCorentin Chary 4433e230dd2SCorentin Chary 4443e230dd2SCorentin Chary 4453e230dd2SCorentin Chary /* QEMU client -> server message IDs */ 4463e230dd2SCorentin Chary #define VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT 0 4473e230dd2SCorentin Chary #define VNC_MSG_CLIENT_QEMU_AUDIO 1 4483e230dd2SCorentin Chary 4493e230dd2SCorentin Chary /* QEMU server -> client message IDs */ 4503e230dd2SCorentin Chary #define VNC_MSG_SERVER_QEMU_AUDIO 1 4513e230dd2SCorentin Chary 4523e230dd2SCorentin Chary 4533e230dd2SCorentin Chary 4543e230dd2SCorentin Chary /* QEMU client -> server audio message IDs */ 4553e230dd2SCorentin Chary #define VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE 0 4563e230dd2SCorentin Chary #define VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE 1 4573e230dd2SCorentin Chary #define VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT 2 4583e230dd2SCorentin Chary 4593e230dd2SCorentin Chary /* QEMU server -> client audio message IDs */ 4603e230dd2SCorentin Chary #define VNC_MSG_SERVER_QEMU_AUDIO_END 0 4613e230dd2SCorentin Chary #define VNC_MSG_SERVER_QEMU_AUDIO_BEGIN 1 4623e230dd2SCorentin Chary #define VNC_MSG_SERVER_QEMU_AUDIO_DATA 2 4633e230dd2SCorentin Chary 4643e230dd2SCorentin Chary 4653e230dd2SCorentin Chary /***************************************************************************** 4663e230dd2SCorentin Chary * 4673e230dd2SCorentin Chary * Internal APIs 4683e230dd2SCorentin Chary * 4693e230dd2SCorentin Chary *****************************************************************************/ 4703e230dd2SCorentin Chary 4713e230dd2SCorentin Chary /* Event loop functions */ 4723e230dd2SCorentin Chary void vnc_client_read(void *opaque); 4733e230dd2SCorentin Chary void vnc_client_write(void *opaque); 4743e230dd2SCorentin Chary 4753e230dd2SCorentin Chary long vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen); 4763e230dd2SCorentin Chary long vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen); 4773e230dd2SCorentin Chary 4783e230dd2SCorentin Chary /* Protocol I/O functions */ 4793e230dd2SCorentin Chary void vnc_write(VncState *vs, const void *data, size_t len); 4803e230dd2SCorentin Chary void vnc_write_u32(VncState *vs, uint32_t value); 4813e230dd2SCorentin Chary void vnc_write_s32(VncState *vs, int32_t value); 4823e230dd2SCorentin Chary void vnc_write_u16(VncState *vs, uint16_t value); 4833e230dd2SCorentin Chary void vnc_write_u8(VncState *vs, uint8_t value); 4843e230dd2SCorentin Chary void vnc_flush(VncState *vs); 4853e230dd2SCorentin Chary void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting); 4863e230dd2SCorentin Chary 4873e230dd2SCorentin Chary 4883e230dd2SCorentin Chary /* Buffer I/O functions */ 4893e230dd2SCorentin Chary uint8_t read_u8(uint8_t *data, size_t offset); 4903e230dd2SCorentin Chary uint16_t read_u16(uint8_t *data, size_t offset); 4913e230dd2SCorentin Chary int32_t read_s32(uint8_t *data, size_t offset); 4923e230dd2SCorentin Chary uint32_t read_u32(uint8_t *data, size_t offset); 4933e230dd2SCorentin Chary 4943e230dd2SCorentin Chary /* Protocol stage functions */ 4953e230dd2SCorentin Chary void vnc_client_error(VncState *vs); 4963e230dd2SCorentin Chary int vnc_client_io_error(VncState *vs, int ret, int last_errno); 4973e230dd2SCorentin Chary 4983e230dd2SCorentin Chary void start_client_init(VncState *vs); 4993e230dd2SCorentin Chary void start_auth_vnc(VncState *vs); 5003e230dd2SCorentin Chary 5013e230dd2SCorentin Chary /* Buffer management */ 5023e230dd2SCorentin Chary void buffer_reserve(Buffer *buffer, size_t len); 5033e230dd2SCorentin Chary int buffer_empty(Buffer *buffer); 5043e230dd2SCorentin Chary uint8_t *buffer_end(Buffer *buffer); 5053e230dd2SCorentin Chary void buffer_reset(Buffer *buffer); 5063e230dd2SCorentin Chary void buffer_free(Buffer *buffer); 5073e230dd2SCorentin Chary void buffer_append(Buffer *buffer, const void *data, size_t len); 5083e230dd2SCorentin Chary 5093e230dd2SCorentin Chary 5103e230dd2SCorentin Chary /* Misc helpers */ 5113e230dd2SCorentin Chary 5123e230dd2SCorentin Chary char *vnc_socket_local_addr(const char *format, int fd); 5133e230dd2SCorentin Chary char *vnc_socket_remote_addr(const char *format, int fd); 5143e230dd2SCorentin Chary 515efe556adSCorentin Chary static inline uint32_t vnc_has_feature(VncState *vs, int feature) { 516efe556adSCorentin Chary return (vs->features & (1 << feature)); 517efe556adSCorentin Chary } 518efe556adSCorentin Chary 5193e230dd2SCorentin Chary /* Framebuffer */ 5203e230dd2SCorentin Chary void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, 5213e230dd2SCorentin Chary int32_t encoding); 5223e230dd2SCorentin Chary 5233e230dd2SCorentin Chary void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v); 524999342a0SCorentin Chary double vnc_update_freq(VncState *vs, int x, int y, int w, int h); 5257d964c9dSCorentin Chary void vnc_sent_lossy_rect(VncState *vs, int x, int y, int w, int h); 5263e230dd2SCorentin Chary 5273e230dd2SCorentin Chary /* Encodings */ 528bd023f95SCorentin Chary int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); 529bd023f95SCorentin Chary 5303e230dd2SCorentin Chary int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); 5313e230dd2SCorentin Chary 5323e230dd2SCorentin Chary int vnc_hextile_send_framebuffer_update(VncState *vs, int x, 5333e230dd2SCorentin Chary int y, int w, int h); 5343e230dd2SCorentin Chary void vnc_hextile_set_pixel_conversion(VncState *vs, int generic); 5353e230dd2SCorentin Chary 5363e230dd2SCorentin Chary void *vnc_zlib_zalloc(void *x, unsigned items, unsigned size); 5373e230dd2SCorentin Chary void vnc_zlib_zfree(void *x, void *addr); 5383e230dd2SCorentin Chary int vnc_zlib_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); 5393e230dd2SCorentin Chary void vnc_zlib_clear(VncState *vs); 5403e230dd2SCorentin Chary 5413e230dd2SCorentin Chary int vnc_tight_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); 542efe556adSCorentin Chary int vnc_tight_png_send_framebuffer_update(VncState *vs, int x, int y, 543efe556adSCorentin Chary int w, int h); 5443e230dd2SCorentin Chary void vnc_tight_clear(VncState *vs); 5453e230dd2SCorentin Chary 546148954faSCorentin Chary int vnc_zrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); 547148954faSCorentin Chary int vnc_zywrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); 548148954faSCorentin Chary void vnc_zrle_clear(VncState *vs); 549148954faSCorentin Chary 5503e230dd2SCorentin Chary #endif /* __QEMU_VNC_H */ 551