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" 311de7afc9SPaolo Bonzini #include "qemu/queue.h" 321de7afc9SPaolo Bonzini #include "qemu/thread.h" 3328ecbaeeSPaolo Bonzini #include "ui/console.h" 3483c9089eSPaolo Bonzini #include "monitor/monitor.h" 353e230dd2SCorentin Chary #include "audio/audio.h" 361de7afc9SPaolo Bonzini #include "qemu/bitmap.h" 373e230dd2SCorentin Chary #include <zlib.h> 383e230dd2SCorentin Chary #include <stdbool.h> 393e230dd2SCorentin Chary 403e230dd2SCorentin Chary #include "keymaps.h" 41148954faSCorentin Chary #include "vnc-palette.h" 42148954faSCorentin Chary #include "vnc-enc-zrle.h" 433e230dd2SCorentin Chary 443e230dd2SCorentin Chary // #define _VNC_DEBUG 1 453e230dd2SCorentin Chary 463e230dd2SCorentin Chary #ifdef _VNC_DEBUG 473e230dd2SCorentin Chary #define VNC_DEBUG(fmt, ...) do { fprintf(stderr, fmt, ## __VA_ARGS__); } while (0) 483e230dd2SCorentin Chary #else 493e230dd2SCorentin Chary #define VNC_DEBUG(fmt, ...) do { } while (0) 503e230dd2SCorentin Chary #endif 513e230dd2SCorentin Chary 523e230dd2SCorentin Chary /***************************************************************************** 533e230dd2SCorentin Chary * 543e230dd2SCorentin Chary * Core data structures 553e230dd2SCorentin Chary * 563e230dd2SCorentin Chary *****************************************************************************/ 573e230dd2SCorentin Chary 583e230dd2SCorentin Chary typedef struct Buffer 593e230dd2SCorentin Chary { 603e230dd2SCorentin Chary size_t capacity; 613e230dd2SCorentin Chary size_t offset; 623e230dd2SCorentin Chary uint8_t *buffer; 633e230dd2SCorentin Chary } Buffer; 643e230dd2SCorentin Chary 653e230dd2SCorentin Chary typedef struct VncState VncState; 66bd023f95SCorentin Chary typedef struct VncJob VncJob; 67bd023f95SCorentin Chary typedef struct VncRect VncRect; 68bd023f95SCorentin Chary typedef struct VncRectEntry VncRectEntry; 693e230dd2SCorentin Chary 703e230dd2SCorentin Chary typedef int VncReadEvent(VncState *vs, uint8_t *data, size_t len); 713e230dd2SCorentin Chary 729f64916dSGerd Hoffmann typedef void VncWritePixels(VncState *vs, void *data, int size); 733e230dd2SCorentin Chary 743e230dd2SCorentin Chary typedef void VncSendHextileTile(VncState *vs, 753e230dd2SCorentin Chary int x, int y, int w, int h, 763e230dd2SCorentin Chary void *last_bg, 773e230dd2SCorentin Chary void *last_fg, 783e230dd2SCorentin Chary int *has_bg, int *has_fg); 793e230dd2SCorentin Chary 8023bfe28fSStefan Weil /* VNC_MAX_WIDTH must be a multiple of 16. */ 813e230dd2SCorentin Chary #define VNC_MAX_WIDTH 2560 823e230dd2SCorentin Chary #define VNC_MAX_HEIGHT 2048 8323bfe28fSStefan Weil 8423bfe28fSStefan Weil /* VNC_DIRTY_BITS is the number of bits in the dirty bitmap. */ 8523bfe28fSStefan Weil #define VNC_DIRTY_BITS (VNC_MAX_WIDTH / 16) 863e230dd2SCorentin Chary 87999342a0SCorentin Chary #define VNC_STAT_RECT 64 88999342a0SCorentin Chary #define VNC_STAT_COLS (VNC_MAX_WIDTH / VNC_STAT_RECT) 89999342a0SCorentin Chary #define VNC_STAT_ROWS (VNC_MAX_HEIGHT / VNC_STAT_RECT) 90999342a0SCorentin Chary 913e230dd2SCorentin Chary #define VNC_AUTH_CHALLENGE_SIZE 16 923e230dd2SCorentin Chary 933e230dd2SCorentin Chary typedef struct VncDisplay VncDisplay; 943e230dd2SCorentin Chary 953e230dd2SCorentin Chary #ifdef CONFIG_VNC_TLS 963e230dd2SCorentin Chary #include "vnc-tls.h" 973e230dd2SCorentin Chary #include "vnc-auth-vencrypt.h" 983e230dd2SCorentin Chary #endif 993e230dd2SCorentin Chary #ifdef CONFIG_VNC_SASL 1003e230dd2SCorentin Chary #include "vnc-auth-sasl.h" 1013e230dd2SCorentin Chary #endif 1027536ee4bSTim Hardeck #ifdef CONFIG_VNC_WS 1037536ee4bSTim Hardeck #include "vnc-ws.h" 1047536ee4bSTim Hardeck #endif 1053e230dd2SCorentin Chary 106999342a0SCorentin Chary struct VncRectStat 107999342a0SCorentin Chary { 108999342a0SCorentin Chary /* time of last 10 updates, to find update frequency */ 109999342a0SCorentin Chary struct timeval times[10]; 110999342a0SCorentin Chary int idx; 111999342a0SCorentin Chary 112999342a0SCorentin Chary double freq; /* Update frequency (in Hz) */ 113999342a0SCorentin Chary bool updated; /* Already updated during this refresh */ 114999342a0SCorentin Chary }; 115999342a0SCorentin Chary 116999342a0SCorentin Chary typedef struct VncRectStat VncRectStat; 117999342a0SCorentin Chary 1183e230dd2SCorentin Chary struct VncSurface 1193e230dd2SCorentin Chary { 120999342a0SCorentin Chary struct timeval last_freq_check; 12123bfe28fSStefan Weil DECLARE_BITMAP(dirty[VNC_MAX_HEIGHT], VNC_MAX_WIDTH / 16); 122999342a0SCorentin Chary VncRectStat stats[VNC_STAT_ROWS][VNC_STAT_COLS]; 1239f64916dSGerd Hoffmann pixman_image_t *fb; 1249f64916dSGerd Hoffmann pixman_format_code_t format; 1253e230dd2SCorentin Chary }; 1263e230dd2SCorentin Chary 1278cf36489SGerd Hoffmann typedef enum VncShareMode { 1288cf36489SGerd Hoffmann VNC_SHARE_MODE_CONNECTING = 1, 1298cf36489SGerd Hoffmann VNC_SHARE_MODE_SHARED, 1308cf36489SGerd Hoffmann VNC_SHARE_MODE_EXCLUSIVE, 1318cf36489SGerd Hoffmann VNC_SHARE_MODE_DISCONNECTED, 1328cf36489SGerd Hoffmann } VncShareMode; 1338cf36489SGerd Hoffmann 1348cf36489SGerd Hoffmann typedef enum VncSharePolicy { 1358cf36489SGerd Hoffmann VNC_SHARE_POLICY_IGNORE = 1, 1368cf36489SGerd Hoffmann VNC_SHARE_POLICY_ALLOW_EXCLUSIVE, 1378cf36489SGerd Hoffmann VNC_SHARE_POLICY_FORCE_SHARED, 1388cf36489SGerd Hoffmann } VncSharePolicy; 1398cf36489SGerd Hoffmann 1403e230dd2SCorentin Chary struct VncDisplay 1413e230dd2SCorentin Chary { 1423e230dd2SCorentin Chary QTAILQ_HEAD(, VncState) clients; 1438cf36489SGerd Hoffmann int num_exclusive; 1448cf36489SGerd Hoffmann VncSharePolicy share_policy; 1453e230dd2SCorentin Chary QEMUTimer *timer; 1463e230dd2SCorentin Chary int timer_interval; 1473e230dd2SCorentin Chary int lsock; 1487536ee4bSTim Hardeck #ifdef CONFIG_VNC_WS 1497536ee4bSTim Hardeck int lwebsock; 1507536ee4bSTim Hardeck bool websocket; 1517536ee4bSTim Hardeck char *ws_display; 1527536ee4bSTim Hardeck #endif 1533e230dd2SCorentin Chary DisplayState *ds; 1543e230dd2SCorentin Chary kbd_layout_t *kbd_layout; 1553e230dd2SCorentin Chary int lock_key_sync; 156bd023f95SCorentin Chary QemuMutex mutex; 1573e230dd2SCorentin Chary 1583e230dd2SCorentin Chary QEMUCursor *cursor; 1593e230dd2SCorentin Chary int cursor_msize; 1603e230dd2SCorentin Chary uint8_t *cursor_mask; 1613e230dd2SCorentin Chary 1623e230dd2SCorentin Chary struct VncSurface guest; /* guest visible surface (aka ds->surface) */ 1639f64916dSGerd Hoffmann pixman_image_t *server; /* vnc server surface */ 1643e230dd2SCorentin Chary 1653e230dd2SCorentin Chary char *display; 1663e230dd2SCorentin Chary char *password; 1673c9405a0SGerd Hoffmann time_t expires; 1683e230dd2SCorentin Chary int auth; 1693e230dd2SCorentin Chary bool lossy; 17080e0c8c3SCorentin Chary bool non_adaptive; 1713e230dd2SCorentin Chary #ifdef CONFIG_VNC_TLS 1723e230dd2SCorentin Chary int subauth; /* Used by VeNCrypt */ 1733e230dd2SCorentin Chary VncDisplayTLS tls; 1743e230dd2SCorentin Chary #endif 1753e230dd2SCorentin Chary #ifdef CONFIG_VNC_SASL 1763e230dd2SCorentin Chary VncDisplaySASL sasl; 1773e230dd2SCorentin Chary #endif 1783e230dd2SCorentin Chary }; 1793e230dd2SCorentin Chary 180d1af0e05SCorentin Chary typedef struct VncTight { 181d1af0e05SCorentin Chary int type; 182d1af0e05SCorentin Chary uint8_t quality; 183d1af0e05SCorentin Chary uint8_t compression; 184d1af0e05SCorentin Chary uint8_t pixel24; 185d1af0e05SCorentin Chary Buffer tight; 186d1af0e05SCorentin Chary Buffer tmp; 187d1af0e05SCorentin Chary Buffer zlib; 188d1af0e05SCorentin Chary Buffer gradient; 189d1af0e05SCorentin Chary #ifdef CONFIG_VNC_JPEG 190d1af0e05SCorentin Chary Buffer jpeg; 191d1af0e05SCorentin Chary #endif 192d1af0e05SCorentin Chary #ifdef CONFIG_VNC_PNG 193d1af0e05SCorentin Chary Buffer png; 194d1af0e05SCorentin Chary #endif 195d1af0e05SCorentin Chary int levels[4]; 196d1af0e05SCorentin Chary z_stream stream[4]; 197d1af0e05SCorentin Chary } VncTight; 198d1af0e05SCorentin Chary 199d1af0e05SCorentin Chary typedef struct VncHextile { 200d1af0e05SCorentin Chary VncSendHextileTile *send_tile; 201d1af0e05SCorentin Chary } VncHextile; 202d1af0e05SCorentin Chary 203d1af0e05SCorentin Chary typedef struct VncZlib { 204d1af0e05SCorentin Chary Buffer zlib; 205d1af0e05SCorentin Chary Buffer tmp; 206d1af0e05SCorentin Chary z_stream stream; 207d1af0e05SCorentin Chary int level; 208d1af0e05SCorentin Chary } VncZlib; 209d1af0e05SCorentin Chary 210148954faSCorentin Chary typedef struct VncZrle { 211148954faSCorentin Chary int type; 212148954faSCorentin Chary Buffer fb; 213148954faSCorentin Chary Buffer zrle; 214148954faSCorentin Chary Buffer tmp; 215148954faSCorentin Chary Buffer zlib; 216148954faSCorentin Chary z_stream stream; 217148954faSCorentin Chary VncPalette palette; 218148954faSCorentin Chary } VncZrle; 219148954faSCorentin Chary 220148954faSCorentin Chary typedef struct VncZywrle { 221148954faSCorentin Chary int buf[VNC_ZRLE_TILE_WIDTH * VNC_ZRLE_TILE_HEIGHT]; 222148954faSCorentin Chary } VncZywrle; 223148954faSCorentin Chary 224bd023f95SCorentin Chary struct VncRect 225bd023f95SCorentin Chary { 226bd023f95SCorentin Chary int x; 227bd023f95SCorentin Chary int y; 228bd023f95SCorentin Chary int w; 229bd023f95SCorentin Chary int h; 230bd023f95SCorentin Chary }; 231bd023f95SCorentin Chary 232bd023f95SCorentin Chary struct VncRectEntry 233bd023f95SCorentin Chary { 234bd023f95SCorentin Chary struct VncRect rect; 235bd023f95SCorentin Chary QLIST_ENTRY(VncRectEntry) next; 236bd023f95SCorentin Chary }; 237bd023f95SCorentin Chary 238bd023f95SCorentin Chary struct VncJob 239bd023f95SCorentin Chary { 240bd023f95SCorentin Chary VncState *vs; 241bd023f95SCorentin Chary 242bd023f95SCorentin Chary QLIST_HEAD(, VncRectEntry) rectangles; 243bd023f95SCorentin Chary QTAILQ_ENTRY(VncJob) next; 244bd023f95SCorentin Chary }; 245bd023f95SCorentin Chary 2463e230dd2SCorentin Chary struct VncState 2473e230dd2SCorentin Chary { 2483e230dd2SCorentin Chary int csock; 2493e230dd2SCorentin Chary 2503e230dd2SCorentin Chary DisplayState *ds; 25123bfe28fSStefan Weil DECLARE_BITMAP(dirty[VNC_MAX_HEIGHT], VNC_DIRTY_BITS); 2527d964c9dSCorentin Chary uint8_t **lossy_rect; /* Not an Array to avoid costly memcpy in 2537d964c9dSCorentin Chary * vnc-jobs-async.c */ 2543e230dd2SCorentin Chary 2553e230dd2SCorentin Chary VncDisplay *vd; 2563e230dd2SCorentin Chary int need_update; 2573e230dd2SCorentin Chary int force_update; 2583e230dd2SCorentin Chary uint32_t features; 2593e230dd2SCorentin Chary int absolute; 2603e230dd2SCorentin Chary int last_x; 2613e230dd2SCorentin Chary int last_y; 2623e230dd2SCorentin Chary int client_width; 2633e230dd2SCorentin Chary int client_height; 2648cf36489SGerd Hoffmann VncShareMode share_mode; 2653e230dd2SCorentin Chary 2663e230dd2SCorentin Chary uint32_t vnc_encoding; 2673e230dd2SCorentin Chary 2683e230dd2SCorentin Chary int major; 2693e230dd2SCorentin Chary int minor; 2703e230dd2SCorentin Chary 2717e7e2ebcSDaniel P. Berrange int auth; 2723e230dd2SCorentin Chary char challenge[VNC_AUTH_CHALLENGE_SIZE]; 2733e230dd2SCorentin Chary #ifdef CONFIG_VNC_TLS 2747e7e2ebcSDaniel P. Berrange int subauth; /* Used by VeNCrypt */ 2753e230dd2SCorentin Chary VncStateTLS tls; 2763e230dd2SCorentin Chary #endif 2773e230dd2SCorentin Chary #ifdef CONFIG_VNC_SASL 2783e230dd2SCorentin Chary VncStateSASL sasl; 2793e230dd2SCorentin Chary #endif 2807536ee4bSTim Hardeck #ifdef CONFIG_VNC_WS 2817536ee4bSTim Hardeck bool encode_ws; 2827536ee4bSTim Hardeck bool websocket; 2837536ee4bSTim Hardeck #endif 2843e230dd2SCorentin Chary 2853e230dd2SCorentin Chary QObject *info; 2863e230dd2SCorentin Chary 2873e230dd2SCorentin Chary Buffer output; 2883e230dd2SCorentin Chary Buffer input; 2897536ee4bSTim Hardeck #ifdef CONFIG_VNC_WS 2907536ee4bSTim Hardeck Buffer ws_input; 2917536ee4bSTim Hardeck Buffer ws_output; 2927536ee4bSTim Hardeck #endif 2933e230dd2SCorentin Chary /* current output mode information */ 2943e230dd2SCorentin Chary VncWritePixels *write_pixels; 2959f64916dSGerd Hoffmann PixelFormat client_pf; 2969f64916dSGerd Hoffmann pixman_format_code_t client_format; 2979f64916dSGerd Hoffmann bool client_be; 2983e230dd2SCorentin Chary 2993e230dd2SCorentin Chary CaptureVoiceOut *audio_cap; 3003e230dd2SCorentin Chary struct audsettings as; 3013e230dd2SCorentin Chary 3023e230dd2SCorentin Chary VncReadEvent *read_handler; 3033e230dd2SCorentin Chary size_t read_handler_expect; 3043e230dd2SCorentin Chary /* input */ 3053e230dd2SCorentin Chary uint8_t modifiers_state[256]; 3063e230dd2SCorentin Chary QEMUPutLEDEntry *led; 3073e230dd2SCorentin Chary 308bd023f95SCorentin Chary bool abort; 309*6fd8e79aSTim Hardeck bool initialized; 310bd023f95SCorentin Chary QemuMutex output_mutex; 311175b2a6eSCorentin Chary QEMUBH *bh; 312175b2a6eSCorentin Chary Buffer jobs_buffer; 313bd023f95SCorentin Chary 314bd023f95SCorentin Chary /* Encoding specific, if you add something here, don't forget to 315bd023f95SCorentin Chary * update vnc_async_encoding_start() 316bd023f95SCorentin Chary */ 317d1af0e05SCorentin Chary VncTight tight; 318d1af0e05SCorentin Chary VncZlib zlib; 319d1af0e05SCorentin Chary VncHextile hextile; 320148954faSCorentin Chary VncZrle zrle; 321148954faSCorentin Chary VncZywrle zywrle; 3223e230dd2SCorentin Chary 3233e230dd2SCorentin Chary Notifier mouse_mode_notifier; 3243e230dd2SCorentin Chary 3253e230dd2SCorentin Chary QTAILQ_ENTRY(VncState) next; 3263e230dd2SCorentin Chary }; 3273e230dd2SCorentin Chary 3283e230dd2SCorentin Chary 3293e230dd2SCorentin Chary /***************************************************************************** 3303e230dd2SCorentin Chary * 3313e230dd2SCorentin Chary * Authentication modes 3323e230dd2SCorentin Chary * 3333e230dd2SCorentin Chary *****************************************************************************/ 3343e230dd2SCorentin Chary 3353e230dd2SCorentin Chary enum { 3363e230dd2SCorentin Chary VNC_AUTH_INVALID = 0, 3373e230dd2SCorentin Chary VNC_AUTH_NONE = 1, 3383e230dd2SCorentin Chary VNC_AUTH_VNC = 2, 3393e230dd2SCorentin Chary VNC_AUTH_RA2 = 5, 3403e230dd2SCorentin Chary VNC_AUTH_RA2NE = 6, 3413e230dd2SCorentin Chary VNC_AUTH_TIGHT = 16, 3423e230dd2SCorentin Chary VNC_AUTH_ULTRA = 17, 3433e230dd2SCorentin Chary VNC_AUTH_TLS = 18, /* Supported in GTK-VNC & VINO */ 3443e230dd2SCorentin Chary VNC_AUTH_VENCRYPT = 19, /* Supported in GTK-VNC & VeNCrypt */ 3453e230dd2SCorentin Chary VNC_AUTH_SASL = 20, /* Supported in GTK-VNC & VINO */ 3463e230dd2SCorentin Chary }; 3473e230dd2SCorentin Chary 3483e230dd2SCorentin Chary enum { 3493e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_PLAIN = 256, 3503e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_TLSNONE = 257, 3513e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_TLSVNC = 258, 3523e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_TLSPLAIN = 259, 3533e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_X509NONE = 260, 3543e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_X509VNC = 261, 3553e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_X509PLAIN = 262, 3563e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_X509SASL = 263, 3573e230dd2SCorentin Chary VNC_AUTH_VENCRYPT_TLSSASL = 264, 3583e230dd2SCorentin Chary }; 3593e230dd2SCorentin Chary 3603e230dd2SCorentin Chary 3613e230dd2SCorentin Chary /***************************************************************************** 3623e230dd2SCorentin Chary * 3633e230dd2SCorentin Chary * Encoding types 3643e230dd2SCorentin Chary * 3653e230dd2SCorentin Chary *****************************************************************************/ 3663e230dd2SCorentin Chary 3673e230dd2SCorentin Chary #define VNC_ENCODING_RAW 0x00000000 3683e230dd2SCorentin Chary #define VNC_ENCODING_COPYRECT 0x00000001 3693e230dd2SCorentin Chary #define VNC_ENCODING_RRE 0x00000002 3703e230dd2SCorentin Chary #define VNC_ENCODING_CORRE 0x00000004 3713e230dd2SCorentin Chary #define VNC_ENCODING_HEXTILE 0x00000005 3723e230dd2SCorentin Chary #define VNC_ENCODING_ZLIB 0x00000006 3733e230dd2SCorentin Chary #define VNC_ENCODING_TIGHT 0x00000007 3743e230dd2SCorentin Chary #define VNC_ENCODING_ZLIBHEX 0x00000008 3753e230dd2SCorentin Chary #define VNC_ENCODING_TRLE 0x0000000f 3763e230dd2SCorentin Chary #define VNC_ENCODING_ZRLE 0x00000010 3773e230dd2SCorentin Chary #define VNC_ENCODING_ZYWRLE 0x00000011 3783e230dd2SCorentin Chary #define VNC_ENCODING_COMPRESSLEVEL0 0xFFFFFF00 /* -256 */ 3793e230dd2SCorentin Chary #define VNC_ENCODING_QUALITYLEVEL0 0xFFFFFFE0 /* -32 */ 3803e230dd2SCorentin Chary #define VNC_ENCODING_XCURSOR 0xFFFFFF10 /* -240 */ 3813e230dd2SCorentin Chary #define VNC_ENCODING_RICH_CURSOR 0xFFFFFF11 /* -239 */ 3823e230dd2SCorentin Chary #define VNC_ENCODING_POINTER_POS 0xFFFFFF18 /* -232 */ 3833e230dd2SCorentin Chary #define VNC_ENCODING_LASTRECT 0xFFFFFF20 /* -224 */ 3843e230dd2SCorentin Chary #define VNC_ENCODING_DESKTOPRESIZE 0xFFFFFF21 /* -223 */ 3853e230dd2SCorentin Chary #define VNC_ENCODING_POINTER_TYPE_CHANGE 0XFFFFFEFF /* -257 */ 3863e230dd2SCorentin Chary #define VNC_ENCODING_EXT_KEY_EVENT 0XFFFFFEFE /* -258 */ 3873e230dd2SCorentin Chary #define VNC_ENCODING_AUDIO 0XFFFFFEFD /* -259 */ 388efe556adSCorentin Chary #define VNC_ENCODING_TIGHT_PNG 0xFFFFFEFC /* -260 */ 3893e230dd2SCorentin Chary #define VNC_ENCODING_WMVi 0x574D5669 3903e230dd2SCorentin Chary 3913e230dd2SCorentin Chary /***************************************************************************** 3923e230dd2SCorentin Chary * 3933e230dd2SCorentin Chary * Other tight constants 3943e230dd2SCorentin Chary * 3953e230dd2SCorentin Chary *****************************************************************************/ 3963e230dd2SCorentin Chary 3973e230dd2SCorentin Chary /* 3983e230dd2SCorentin Chary * Vendors known by TightVNC: standard VNC/RealVNC, TridiaVNC, and TightVNC. 3993e230dd2SCorentin Chary */ 4003e230dd2SCorentin Chary 4013e230dd2SCorentin Chary #define VNC_TIGHT_CCB_RESET_MASK (0x0f) 4023e230dd2SCorentin Chary #define VNC_TIGHT_CCB_TYPE_MASK (0x0f << 4) 4033e230dd2SCorentin Chary #define VNC_TIGHT_CCB_TYPE_FILL (0x08 << 4) 4043e230dd2SCorentin Chary #define VNC_TIGHT_CCB_TYPE_JPEG (0x09 << 4) 405efe556adSCorentin Chary #define VNC_TIGHT_CCB_TYPE_PNG (0x0A << 4) 4063e230dd2SCorentin Chary #define VNC_TIGHT_CCB_BASIC_MAX (0x07 << 4) 4073e230dd2SCorentin Chary #define VNC_TIGHT_CCB_BASIC_ZLIB (0x03 << 4) 4083e230dd2SCorentin Chary #define VNC_TIGHT_CCB_BASIC_FILTER (0x04 << 4) 4093e230dd2SCorentin Chary 4103e230dd2SCorentin Chary /***************************************************************************** 4113e230dd2SCorentin Chary * 4123e230dd2SCorentin Chary * Features 4133e230dd2SCorentin Chary * 4143e230dd2SCorentin Chary *****************************************************************************/ 4153e230dd2SCorentin Chary 4163e230dd2SCorentin Chary #define VNC_FEATURE_RESIZE 0 4173e230dd2SCorentin Chary #define VNC_FEATURE_HEXTILE 1 4183e230dd2SCorentin Chary #define VNC_FEATURE_POINTER_TYPE_CHANGE 2 4193e230dd2SCorentin Chary #define VNC_FEATURE_WMVI 3 4203e230dd2SCorentin Chary #define VNC_FEATURE_TIGHT 4 4213e230dd2SCorentin Chary #define VNC_FEATURE_ZLIB 5 4223e230dd2SCorentin Chary #define VNC_FEATURE_COPYRECT 6 4233e230dd2SCorentin Chary #define VNC_FEATURE_RICH_CURSOR 7 424efe556adSCorentin Chary #define VNC_FEATURE_TIGHT_PNG 8 425148954faSCorentin Chary #define VNC_FEATURE_ZRLE 9 426148954faSCorentin Chary #define VNC_FEATURE_ZYWRLE 10 4273e230dd2SCorentin Chary 4283e230dd2SCorentin Chary #define VNC_FEATURE_RESIZE_MASK (1 << VNC_FEATURE_RESIZE) 4293e230dd2SCorentin Chary #define VNC_FEATURE_HEXTILE_MASK (1 << VNC_FEATURE_HEXTILE) 4303e230dd2SCorentin Chary #define VNC_FEATURE_POINTER_TYPE_CHANGE_MASK (1 << VNC_FEATURE_POINTER_TYPE_CHANGE) 4313e230dd2SCorentin Chary #define VNC_FEATURE_WMVI_MASK (1 << VNC_FEATURE_WMVI) 4323e230dd2SCorentin Chary #define VNC_FEATURE_TIGHT_MASK (1 << VNC_FEATURE_TIGHT) 4333e230dd2SCorentin Chary #define VNC_FEATURE_ZLIB_MASK (1 << VNC_FEATURE_ZLIB) 4343e230dd2SCorentin Chary #define VNC_FEATURE_COPYRECT_MASK (1 << VNC_FEATURE_COPYRECT) 4353e230dd2SCorentin Chary #define VNC_FEATURE_RICH_CURSOR_MASK (1 << VNC_FEATURE_RICH_CURSOR) 436efe556adSCorentin Chary #define VNC_FEATURE_TIGHT_PNG_MASK (1 << VNC_FEATURE_TIGHT_PNG) 437148954faSCorentin Chary #define VNC_FEATURE_ZRLE_MASK (1 << VNC_FEATURE_ZRLE) 438148954faSCorentin Chary #define VNC_FEATURE_ZYWRLE_MASK (1 << VNC_FEATURE_ZYWRLE) 4393e230dd2SCorentin Chary 4403e230dd2SCorentin Chary 4413e230dd2SCorentin Chary /* Client -> Server message IDs */ 4423e230dd2SCorentin Chary #define VNC_MSG_CLIENT_SET_PIXEL_FORMAT 0 4433e230dd2SCorentin Chary #define VNC_MSG_CLIENT_SET_ENCODINGS 2 4443e230dd2SCorentin Chary #define VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST 3 4453e230dd2SCorentin Chary #define VNC_MSG_CLIENT_KEY_EVENT 4 4463e230dd2SCorentin Chary #define VNC_MSG_CLIENT_POINTER_EVENT 5 4473e230dd2SCorentin Chary #define VNC_MSG_CLIENT_CUT_TEXT 6 4483e230dd2SCorentin Chary #define VNC_MSG_CLIENT_VMWARE_0 127 4493e230dd2SCorentin Chary #define VNC_MSG_CLIENT_CALL_CONTROL 249 4503e230dd2SCorentin Chary #define VNC_MSG_CLIENT_XVP 250 4513e230dd2SCorentin Chary #define VNC_MSG_CLIENT_SET_DESKTOP_SIZE 251 4523e230dd2SCorentin Chary #define VNC_MSG_CLIENT_TIGHT 252 4533e230dd2SCorentin Chary #define VNC_MSG_CLIENT_GII 253 4543e230dd2SCorentin Chary #define VNC_MSG_CLIENT_VMWARE_1 254 4553e230dd2SCorentin Chary #define VNC_MSG_CLIENT_QEMU 255 4563e230dd2SCorentin Chary 4573e230dd2SCorentin Chary /* Server -> Client message IDs */ 4583e230dd2SCorentin Chary #define VNC_MSG_SERVER_FRAMEBUFFER_UPDATE 0 4593e230dd2SCorentin Chary #define VNC_MSG_SERVER_SET_COLOUR_MAP_ENTRIES 1 4603e230dd2SCorentin Chary #define VNC_MSG_SERVER_BELL 2 4613e230dd2SCorentin Chary #define VNC_MSG_SERVER_CUT_TEXT 3 4623e230dd2SCorentin Chary #define VNC_MSG_SERVER_VMWARE_0 127 4633e230dd2SCorentin Chary #define VNC_MSG_SERVER_CALL_CONTROL 249 4643e230dd2SCorentin Chary #define VNC_MSG_SERVER_XVP 250 4653e230dd2SCorentin Chary #define VNC_MSG_SERVER_TIGHT 252 4663e230dd2SCorentin Chary #define VNC_MSG_SERVER_GII 253 4673e230dd2SCorentin Chary #define VNC_MSG_SERVER_VMWARE_1 254 4683e230dd2SCorentin Chary #define VNC_MSG_SERVER_QEMU 255 4693e230dd2SCorentin Chary 4703e230dd2SCorentin Chary 4713e230dd2SCorentin Chary 4723e230dd2SCorentin Chary /* QEMU client -> server message IDs */ 4733e230dd2SCorentin Chary #define VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT 0 4743e230dd2SCorentin Chary #define VNC_MSG_CLIENT_QEMU_AUDIO 1 4753e230dd2SCorentin Chary 4763e230dd2SCorentin Chary /* QEMU server -> client message IDs */ 4773e230dd2SCorentin Chary #define VNC_MSG_SERVER_QEMU_AUDIO 1 4783e230dd2SCorentin Chary 4793e230dd2SCorentin Chary 4803e230dd2SCorentin Chary 4813e230dd2SCorentin Chary /* QEMU client -> server audio message IDs */ 4823e230dd2SCorentin Chary #define VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE 0 4833e230dd2SCorentin Chary #define VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE 1 4843e230dd2SCorentin Chary #define VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT 2 4853e230dd2SCorentin Chary 4863e230dd2SCorentin Chary /* QEMU server -> client audio message IDs */ 4873e230dd2SCorentin Chary #define VNC_MSG_SERVER_QEMU_AUDIO_END 0 4883e230dd2SCorentin Chary #define VNC_MSG_SERVER_QEMU_AUDIO_BEGIN 1 4893e230dd2SCorentin Chary #define VNC_MSG_SERVER_QEMU_AUDIO_DATA 2 4903e230dd2SCorentin Chary 4913e230dd2SCorentin Chary 4923e230dd2SCorentin Chary /***************************************************************************** 4933e230dd2SCorentin Chary * 4943e230dd2SCorentin Chary * Internal APIs 4953e230dd2SCorentin Chary * 4963e230dd2SCorentin Chary *****************************************************************************/ 4973e230dd2SCorentin Chary 4983e230dd2SCorentin Chary /* Event loop functions */ 4993e230dd2SCorentin Chary void vnc_client_read(void *opaque); 5003e230dd2SCorentin Chary void vnc_client_write(void *opaque); 5013e230dd2SCorentin Chary 5023e230dd2SCorentin Chary long vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen); 5033e230dd2SCorentin Chary long vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen); 5043e230dd2SCorentin Chary 5053e230dd2SCorentin Chary /* Protocol I/O functions */ 5063e230dd2SCorentin Chary void vnc_write(VncState *vs, const void *data, size_t len); 5073e230dd2SCorentin Chary void vnc_write_u32(VncState *vs, uint32_t value); 5083e230dd2SCorentin Chary void vnc_write_s32(VncState *vs, int32_t value); 5093e230dd2SCorentin Chary void vnc_write_u16(VncState *vs, uint16_t value); 5103e230dd2SCorentin Chary void vnc_write_u8(VncState *vs, uint8_t value); 5113e230dd2SCorentin Chary void vnc_flush(VncState *vs); 5123e230dd2SCorentin Chary void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting); 5137536ee4bSTim Hardeck void vnc_disconnect_finish(VncState *vs); 5147536ee4bSTim Hardeck void vnc_init_state(VncState *vs); 5153e230dd2SCorentin Chary 5163e230dd2SCorentin Chary 5173e230dd2SCorentin Chary /* Buffer I/O functions */ 5183e230dd2SCorentin Chary uint32_t read_u32(uint8_t *data, size_t offset); 5193e230dd2SCorentin Chary 5203e230dd2SCorentin Chary /* Protocol stage functions */ 5213e230dd2SCorentin Chary void vnc_client_error(VncState *vs); 5223e230dd2SCorentin Chary int vnc_client_io_error(VncState *vs, int ret, int last_errno); 5233e230dd2SCorentin Chary 5243e230dd2SCorentin Chary void start_client_init(VncState *vs); 5253e230dd2SCorentin Chary void start_auth_vnc(VncState *vs); 5263e230dd2SCorentin Chary 5273e230dd2SCorentin Chary /* Buffer management */ 5283e230dd2SCorentin Chary void buffer_reserve(Buffer *buffer, size_t len); 5293e230dd2SCorentin Chary void buffer_reset(Buffer *buffer); 5303e230dd2SCorentin Chary void buffer_free(Buffer *buffer); 5313e230dd2SCorentin Chary void buffer_append(Buffer *buffer, const void *data, size_t len); 53232ed2680STim Hardeck void buffer_advance(Buffer *buf, size_t len); 5337536ee4bSTim Hardeck uint8_t *buffer_end(Buffer *buffer); 5343e230dd2SCorentin Chary 5353e230dd2SCorentin Chary 5363e230dd2SCorentin Chary /* Misc helpers */ 5373e230dd2SCorentin Chary 5383e230dd2SCorentin Chary char *vnc_socket_local_addr(const char *format, int fd); 5393e230dd2SCorentin Chary char *vnc_socket_remote_addr(const char *format, int fd); 5403e230dd2SCorentin Chary 541efe556adSCorentin Chary static inline uint32_t vnc_has_feature(VncState *vs, int feature) { 542efe556adSCorentin Chary return (vs->features & (1 << feature)); 543efe556adSCorentin Chary } 544efe556adSCorentin Chary 5453e230dd2SCorentin Chary /* Framebuffer */ 5463e230dd2SCorentin Chary void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, 5473e230dd2SCorentin Chary int32_t encoding); 5483e230dd2SCorentin Chary 5499f64916dSGerd Hoffmann /* server fb is in PIXMAN_x8r8g8b8 */ 5509f64916dSGerd Hoffmann #define VNC_SERVER_FB_FORMAT PIXMAN_FORMAT(32, PIXMAN_TYPE_ARGB, 0, 8, 8, 8) 5519f64916dSGerd Hoffmann #define VNC_SERVER_FB_BITS (PIXMAN_FORMAT_BPP(VNC_SERVER_FB_FORMAT)) 5529f64916dSGerd Hoffmann #define VNC_SERVER_FB_BYTES ((VNC_SERVER_FB_BITS+7)/8) 5539f64916dSGerd Hoffmann 5549f64916dSGerd Hoffmann void *vnc_server_fb_ptr(VncDisplay *vd, int x, int y); 5559f64916dSGerd Hoffmann int vnc_server_fb_stride(VncDisplay *vd); 5569f64916dSGerd Hoffmann 5573e230dd2SCorentin Chary void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v); 558999342a0SCorentin Chary double vnc_update_freq(VncState *vs, int x, int y, int w, int h); 5597d964c9dSCorentin Chary void vnc_sent_lossy_rect(VncState *vs, int x, int y, int w, int h); 5603e230dd2SCorentin Chary 5613e230dd2SCorentin Chary /* Encodings */ 562bd023f95SCorentin Chary int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); 563bd023f95SCorentin Chary 5643e230dd2SCorentin Chary int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); 5653e230dd2SCorentin Chary 5663e230dd2SCorentin Chary int vnc_hextile_send_framebuffer_update(VncState *vs, int x, 5673e230dd2SCorentin Chary int y, int w, int h); 5683e230dd2SCorentin Chary void vnc_hextile_set_pixel_conversion(VncState *vs, int generic); 5693e230dd2SCorentin Chary 5703e230dd2SCorentin Chary void *vnc_zlib_zalloc(void *x, unsigned items, unsigned size); 5713e230dd2SCorentin Chary void vnc_zlib_zfree(void *x, void *addr); 5723e230dd2SCorentin Chary int vnc_zlib_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); 5733e230dd2SCorentin Chary void vnc_zlib_clear(VncState *vs); 5743e230dd2SCorentin Chary 5753e230dd2SCorentin Chary int vnc_tight_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); 576efe556adSCorentin Chary int vnc_tight_png_send_framebuffer_update(VncState *vs, int x, int y, 577efe556adSCorentin Chary int w, int h); 5783e230dd2SCorentin Chary void vnc_tight_clear(VncState *vs); 5793e230dd2SCorentin Chary 580148954faSCorentin Chary int vnc_zrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); 581148954faSCorentin Chary int vnc_zywrle_send_framebuffer_update(VncState *vs, int x, int y, int w, int h); 582148954faSCorentin Chary void vnc_zrle_clear(VncState *vs); 583148954faSCorentin Chary 5843e230dd2SCorentin Chary #endif /* __QEMU_VNC_H */ 585