]>
Commit | Line | Data |
---|---|---|
7d510b8c FB |
1 | /* |
2 | * QEMU VNC display driver | |
5fafdf24 | 3 | * |
7d510b8c FB |
4 | * Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws> |
5 | * Copyright (C) 2006 Fabrice Bellard | |
19a490bf | 6 | * Copyright (C) 2009 Red Hat, Inc |
5fafdf24 | 7 | * |
7d510b8c FB |
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 | ||
19a490bf | 27 | #include "vnc.h" |
bd023f95 | 28 | #include "vnc-jobs.h" |
9c17d615 | 29 | #include "sysemu/sysemu.h" |
1de7afc9 PB |
30 | #include "qemu/sockets.h" |
31 | #include "qemu/timer.h" | |
32 | #include "qemu/acl.h" | |
7b1b5d19 | 33 | #include "qapi/qmp/types.h" |
2b54aa87 | 34 | #include "qmp-commands.h" |
1de7afc9 | 35 | #include "qemu/osdep.h" |
24236869 | 36 | |
0f7b2864 | 37 | #define VNC_REFRESH_INTERVAL_BASE GUI_REFRESH_INTERVAL_DEFAULT |
2430ffe4 | 38 | #define VNC_REFRESH_INTERVAL_INC 50 |
0f7b2864 | 39 | #define VNC_REFRESH_INTERVAL_MAX GUI_REFRESH_INTERVAL_IDLE |
999342a0 CC |
40 | static const struct timeval VNC_REFRESH_STATS = { 0, 500000 }; |
41 | static const struct timeval VNC_REFRESH_LOSSY = { 2, 0 }; | |
24236869 FB |
42 | |
43 | #include "vnc_keysym.h" | |
70848515 TS |
44 | #include "d3des.h" |
45 | ||
753b4053 | 46 | static VncDisplay *vnc_display; /* needed for info vnc */ |
a9ce8590 | 47 | |
d467b679 | 48 | static int vnc_cursor_define(VncState *vs); |
7bc9318b | 49 | static void vnc_release_modifiers(VncState *vs); |
d467b679 | 50 | |
8cf36489 GH |
51 | static void vnc_set_share_mode(VncState *vs, VncShareMode mode) |
52 | { | |
53 | #ifdef _VNC_DEBUG | |
54 | static const char *mn[] = { | |
55 | [0] = "undefined", | |
56 | [VNC_SHARE_MODE_CONNECTING] = "connecting", | |
57 | [VNC_SHARE_MODE_SHARED] = "shared", | |
58 | [VNC_SHARE_MODE_EXCLUSIVE] = "exclusive", | |
59 | [VNC_SHARE_MODE_DISCONNECTED] = "disconnected", | |
60 | }; | |
61 | fprintf(stderr, "%s/%d: %s -> %s\n", __func__, | |
62 | vs->csock, mn[vs->share_mode], mn[mode]); | |
63 | #endif | |
64 | ||
65 | if (vs->share_mode == VNC_SHARE_MODE_EXCLUSIVE) { | |
66 | vs->vd->num_exclusive--; | |
67 | } | |
68 | vs->share_mode = mode; | |
69 | if (vs->share_mode == VNC_SHARE_MODE_EXCLUSIVE) { | |
70 | vs->vd->num_exclusive++; | |
71 | } | |
72 | } | |
73 | ||
1ff7df1a AL |
74 | static char *addr_to_string(const char *format, |
75 | struct sockaddr_storage *sa, | |
76 | socklen_t salen) { | |
77 | char *addr; | |
78 | char host[NI_MAXHOST]; | |
79 | char serv[NI_MAXSERV]; | |
80 | int err; | |
457772e6 | 81 | size_t addrlen; |
1ff7df1a AL |
82 | |
83 | if ((err = getnameinfo((struct sockaddr *)sa, salen, | |
84 | host, sizeof(host), | |
85 | serv, sizeof(serv), | |
86 | NI_NUMERICHOST | NI_NUMERICSERV)) != 0) { | |
87 | VNC_DEBUG("Cannot resolve address %d: %s\n", | |
88 | err, gai_strerror(err)); | |
89 | return NULL; | |
90 | } | |
91 | ||
457772e6 | 92 | /* Enough for the existing format + the 2 vars we're |
f425c278 | 93 | * substituting in. */ |
457772e6 | 94 | addrlen = strlen(format) + strlen(host) + strlen(serv); |
7267c094 | 95 | addr = g_malloc(addrlen + 1); |
457772e6 AL |
96 | snprintf(addr, addrlen, format, host, serv); |
97 | addr[addrlen] = '\0'; | |
1ff7df1a AL |
98 | |
99 | return addr; | |
100 | } | |
101 | ||
2f9606b3 AL |
102 | |
103 | char *vnc_socket_local_addr(const char *format, int fd) { | |
1ff7df1a AL |
104 | struct sockaddr_storage sa; |
105 | socklen_t salen; | |
106 | ||
107 | salen = sizeof(sa); | |
108 | if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0) | |
109 | return NULL; | |
110 | ||
111 | return addr_to_string(format, &sa, salen); | |
112 | } | |
113 | ||
2f9606b3 | 114 | char *vnc_socket_remote_addr(const char *format, int fd) { |
1ff7df1a AL |
115 | struct sockaddr_storage sa; |
116 | socklen_t salen; | |
117 | ||
118 | salen = sizeof(sa); | |
119 | if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0) | |
120 | return NULL; | |
121 | ||
122 | return addr_to_string(format, &sa, salen); | |
123 | } | |
124 | ||
d96fd29c LC |
125 | static int put_addr_qdict(QDict *qdict, struct sockaddr_storage *sa, |
126 | socklen_t salen) | |
127 | { | |
128 | char host[NI_MAXHOST]; | |
129 | char serv[NI_MAXSERV]; | |
130 | int err; | |
131 | ||
132 | if ((err = getnameinfo((struct sockaddr *)sa, salen, | |
133 | host, sizeof(host), | |
134 | serv, sizeof(serv), | |
135 | NI_NUMERICHOST | NI_NUMERICSERV)) != 0) { | |
136 | VNC_DEBUG("Cannot resolve address %d: %s\n", | |
137 | err, gai_strerror(err)); | |
138 | return -1; | |
139 | } | |
140 | ||
141 | qdict_put(qdict, "host", qstring_from_str(host)); | |
142 | qdict_put(qdict, "service", qstring_from_str(serv)); | |
dc0d4efc | 143 | qdict_put(qdict, "family",qstring_from_str(inet_strfamily(sa->ss_family))); |
d96fd29c LC |
144 | |
145 | return 0; | |
146 | } | |
147 | ||
a7789382 | 148 | static int vnc_server_addr_put(QDict *qdict, int fd) |
d96fd29c LC |
149 | { |
150 | struct sockaddr_storage sa; | |
151 | socklen_t salen; | |
152 | ||
153 | salen = sizeof(sa); | |
154 | if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0) { | |
155 | return -1; | |
156 | } | |
157 | ||
158 | return put_addr_qdict(qdict, &sa, salen); | |
159 | } | |
160 | ||
161 | static int vnc_qdict_remote_addr(QDict *qdict, int fd) | |
162 | { | |
163 | struct sockaddr_storage sa; | |
164 | socklen_t salen; | |
165 | ||
166 | salen = sizeof(sa); | |
167 | if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0) { | |
168 | return -1; | |
169 | } | |
170 | ||
171 | return put_addr_qdict(qdict, &sa, salen); | |
172 | } | |
173 | ||
1ff7df1a AL |
174 | static const char *vnc_auth_name(VncDisplay *vd) { |
175 | switch (vd->auth) { | |
176 | case VNC_AUTH_INVALID: | |
177 | return "invalid"; | |
178 | case VNC_AUTH_NONE: | |
179 | return "none"; | |
180 | case VNC_AUTH_VNC: | |
181 | return "vnc"; | |
182 | case VNC_AUTH_RA2: | |
183 | return "ra2"; | |
184 | case VNC_AUTH_RA2NE: | |
185 | return "ra2ne"; | |
186 | case VNC_AUTH_TIGHT: | |
187 | return "tight"; | |
188 | case VNC_AUTH_ULTRA: | |
189 | return "ultra"; | |
190 | case VNC_AUTH_TLS: | |
191 | return "tls"; | |
192 | case VNC_AUTH_VENCRYPT: | |
193 | #ifdef CONFIG_VNC_TLS | |
194 | switch (vd->subauth) { | |
195 | case VNC_AUTH_VENCRYPT_PLAIN: | |
196 | return "vencrypt+plain"; | |
197 | case VNC_AUTH_VENCRYPT_TLSNONE: | |
198 | return "vencrypt+tls+none"; | |
199 | case VNC_AUTH_VENCRYPT_TLSVNC: | |
200 | return "vencrypt+tls+vnc"; | |
201 | case VNC_AUTH_VENCRYPT_TLSPLAIN: | |
202 | return "vencrypt+tls+plain"; | |
203 | case VNC_AUTH_VENCRYPT_X509NONE: | |
204 | return "vencrypt+x509+none"; | |
205 | case VNC_AUTH_VENCRYPT_X509VNC: | |
206 | return "vencrypt+x509+vnc"; | |
207 | case VNC_AUTH_VENCRYPT_X509PLAIN: | |
208 | return "vencrypt+x509+plain"; | |
28a76be8 AL |
209 | case VNC_AUTH_VENCRYPT_TLSSASL: |
210 | return "vencrypt+tls+sasl"; | |
211 | case VNC_AUTH_VENCRYPT_X509SASL: | |
212 | return "vencrypt+x509+sasl"; | |
1ff7df1a AL |
213 | default: |
214 | return "vencrypt"; | |
215 | } | |
216 | #else | |
217 | return "vencrypt"; | |
218 | #endif | |
2f9606b3 | 219 | case VNC_AUTH_SASL: |
28a76be8 | 220 | return "sasl"; |
1ff7df1a AL |
221 | } |
222 | return "unknown"; | |
223 | } | |
224 | ||
a7789382 LC |
225 | static int vnc_server_info_put(QDict *qdict) |
226 | { | |
227 | if (vnc_server_addr_put(qdict, vnc_display->lsock) < 0) { | |
228 | return -1; | |
229 | } | |
230 | ||
231 | qdict_put(qdict, "auth", qstring_from_str(vnc_auth_name(vnc_display))); | |
232 | return 0; | |
233 | } | |
234 | ||
4a80dba3 | 235 | static void vnc_client_cache_auth(VncState *client) |
1ff7df1a | 236 | { |
2ded6ad7 | 237 | #if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) |
d96fd29c | 238 | QDict *qdict; |
2ded6ad7 | 239 | #endif |
1ff7df1a | 240 | |
4a80dba3 LC |
241 | if (!client->info) { |
242 | return; | |
d96fd29c | 243 | } |
1263b7d6 | 244 | |
2ded6ad7 | 245 | #if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) |
4a80dba3 | 246 | qdict = qobject_to_qdict(client->info); |
2ded6ad7 | 247 | #endif |
4a80dba3 | 248 | |
1263b7d6 AL |
249 | #ifdef CONFIG_VNC_TLS |
250 | if (client->tls.session && | |
d96fd29c LC |
251 | client->tls.dname) { |
252 | qdict_put(qdict, "x509_dname", qstring_from_str(client->tls.dname)); | |
253 | } | |
1263b7d6 AL |
254 | #endif |
255 | #ifdef CONFIG_VNC_SASL | |
256 | if (client->sasl.conn && | |
d96fd29c | 257 | client->sasl.username) { |
76825067 LC |
258 | qdict_put(qdict, "sasl_username", |
259 | qstring_from_str(client->sasl.username)); | |
d96fd29c | 260 | } |
1263b7d6 | 261 | #endif |
4a80dba3 | 262 | } |
d96fd29c | 263 | |
4a80dba3 LC |
264 | static void vnc_client_cache_addr(VncState *client) |
265 | { | |
266 | QDict *qdict; | |
267 | ||
268 | qdict = qdict_new(); | |
269 | if (vnc_qdict_remote_addr(qdict, client->csock) < 0) { | |
270 | QDECREF(qdict); | |
271 | /* XXX: how to report the error? */ | |
272 | return; | |
273 | } | |
274 | ||
275 | client->info = QOBJECT(qdict); | |
1ff7df1a AL |
276 | } |
277 | ||
586153d9 LC |
278 | static void vnc_qmp_event(VncState *vs, MonitorEvent event) |
279 | { | |
280 | QDict *server; | |
281 | QObject *data; | |
282 | ||
283 | if (!vs->info) { | |
284 | return; | |
285 | } | |
286 | ||
287 | server = qdict_new(); | |
288 | if (vnc_server_info_put(server) < 0) { | |
289 | QDECREF(server); | |
290 | return; | |
291 | } | |
292 | ||
293 | data = qobject_from_jsonf("{ 'client': %p, 'server': %p }", | |
294 | vs->info, QOBJECT(server)); | |
295 | ||
296 | monitor_protocol_event(event, data); | |
297 | ||
298 | qobject_incref(vs->info); | |
299 | qobject_decref(data); | |
300 | } | |
301 | ||
2b54aa87 | 302 | static VncClientInfo *qmp_query_vnc_client(const VncState *client) |
a9ce8590 | 303 | { |
2b54aa87 LC |
304 | struct sockaddr_storage sa; |
305 | socklen_t salen = sizeof(sa); | |
306 | char host[NI_MAXHOST]; | |
307 | char serv[NI_MAXSERV]; | |
308 | VncClientInfo *info; | |
309 | ||
310 | if (getpeername(client->csock, (struct sockaddr *)&sa, &salen) < 0) { | |
311 | return NULL; | |
312 | } | |
313 | ||
314 | if (getnameinfo((struct sockaddr *)&sa, salen, | |
315 | host, sizeof(host), | |
316 | serv, sizeof(serv), | |
317 | NI_NUMERICHOST | NI_NUMERICSERV) < 0) { | |
318 | return NULL; | |
319 | } | |
d96fd29c | 320 | |
2b54aa87 LC |
321 | info = g_malloc0(sizeof(*info)); |
322 | info->host = g_strdup(host); | |
323 | info->service = g_strdup(serv); | |
324 | info->family = g_strdup(inet_strfamily(sa.ss_family)); | |
d96fd29c LC |
325 | |
326 | #ifdef CONFIG_VNC_TLS | |
2b54aa87 LC |
327 | if (client->tls.session && client->tls.dname) { |
328 | info->has_x509_dname = true; | |
329 | info->x509_dname = g_strdup(client->tls.dname); | |
330 | } | |
d96fd29c LC |
331 | #endif |
332 | #ifdef CONFIG_VNC_SASL | |
2b54aa87 LC |
333 | if (client->sasl.conn && client->sasl.username) { |
334 | info->has_sasl_username = true; | |
335 | info->sasl_username = g_strdup(client->sasl.username); | |
d96fd29c | 336 | } |
2b54aa87 | 337 | #endif |
1ff7df1a | 338 | |
2b54aa87 | 339 | return info; |
d96fd29c | 340 | } |
1ff7df1a | 341 | |
2b54aa87 | 342 | VncInfo *qmp_query_vnc(Error **errp) |
d96fd29c | 343 | { |
2b54aa87 LC |
344 | VncInfo *info = g_malloc0(sizeof(*info)); |
345 | ||
d96fd29c | 346 | if (vnc_display == NULL || vnc_display->display == NULL) { |
2b54aa87 | 347 | info->enabled = false; |
d96fd29c | 348 | } else { |
2b54aa87 LC |
349 | VncClientInfoList *cur_item = NULL; |
350 | struct sockaddr_storage sa; | |
351 | socklen_t salen = sizeof(sa); | |
352 | char host[NI_MAXHOST]; | |
353 | char serv[NI_MAXSERV]; | |
41b4bef6 | 354 | VncState *client; |
1ff7df1a | 355 | |
2b54aa87 LC |
356 | info->enabled = true; |
357 | ||
358 | /* for compatibility with the original command */ | |
359 | info->has_clients = true; | |
360 | ||
41b4bef6 | 361 | QTAILQ_FOREACH(client, &vnc_display->clients, next) { |
2b54aa87 LC |
362 | VncClientInfoList *cinfo = g_malloc0(sizeof(*info)); |
363 | cinfo->value = qmp_query_vnc_client(client); | |
364 | ||
365 | /* XXX: waiting for the qapi to support GSList */ | |
366 | if (!cur_item) { | |
367 | info->clients = cur_item = cinfo; | |
368 | } else { | |
369 | cur_item->next = cinfo; | |
370 | cur_item = cinfo; | |
1ff7df1a | 371 | } |
d96fd29c LC |
372 | } |
373 | ||
417b0b88 PB |
374 | if (vnc_display->lsock == -1) { |
375 | return info; | |
376 | } | |
377 | ||
2b54aa87 LC |
378 | if (getsockname(vnc_display->lsock, (struct sockaddr *)&sa, |
379 | &salen) == -1) { | |
380 | error_set(errp, QERR_UNDEFINED_ERROR); | |
381 | goto out_error; | |
382 | } | |
d96fd29c | 383 | |
2b54aa87 LC |
384 | if (getnameinfo((struct sockaddr *)&sa, salen, |
385 | host, sizeof(host), | |
386 | serv, sizeof(serv), | |
387 | NI_NUMERICHOST | NI_NUMERICSERV) < 0) { | |
388 | error_set(errp, QERR_UNDEFINED_ERROR); | |
389 | goto out_error; | |
1ff7df1a | 390 | } |
2b54aa87 LC |
391 | |
392 | info->has_host = true; | |
393 | info->host = g_strdup(host); | |
394 | ||
395 | info->has_service = true; | |
396 | info->service = g_strdup(serv); | |
397 | ||
398 | info->has_family = true; | |
399 | info->family = g_strdup(inet_strfamily(sa.ss_family)); | |
400 | ||
401 | info->has_auth = true; | |
402 | info->auth = g_strdup(vnc_auth_name(vnc_display)); | |
a9ce8590 | 403 | } |
2b54aa87 LC |
404 | |
405 | return info; | |
406 | ||
407 | out_error: | |
408 | qapi_free_VncInfo(info); | |
409 | return NULL; | |
a9ce8590 FB |
410 | } |
411 | ||
24236869 FB |
412 | /* TODO |
413 | 1) Get the queue working for IO. | |
414 | 2) there is some weirdness when using the -S option (the screen is grey | |
415 | and not totally invalidated | |
416 | 3) resolutions > 1024 | |
417 | */ | |
418 | ||
2430ffe4 | 419 | static int vnc_update_client(VncState *vs, int has_dirty); |
bd023f95 | 420 | static int vnc_update_client_sync(VncState *vs, int has_dirty); |
198a0039 | 421 | static void vnc_disconnect_start(VncState *vs); |
24236869 | 422 | |
753b4053 | 423 | static void vnc_colordepth(VncState *vs); |
1fc62412 SS |
424 | static void framebuffer_update_request(VncState *vs, int incremental, |
425 | int x_position, int y_position, | |
426 | int w, int h); | |
0f7b2864 | 427 | static void vnc_refresh(DisplayChangeListener *dcl); |
1fc62412 | 428 | static int vnc_refresh_server_surface(VncDisplay *vd); |
7eac3a87 | 429 | |
7c20b4a3 | 430 | static void vnc_dpy_update(DisplayChangeListener *dcl, |
7c20b4a3 | 431 | int x, int y, int w, int h) |
24236869 | 432 | { |
24236869 | 433 | int i; |
21ef45d7 | 434 | VncDisplay *vd = container_of(dcl, VncDisplay, dcl); |
1fc62412 | 435 | struct VncSurface *s = &vd->guest; |
d39fa6d8 GH |
436 | int width = surface_width(vd->ds); |
437 | int height = surface_height(vd->ds); | |
24236869 FB |
438 | |
439 | h += y; | |
440 | ||
0486e8a7 AZ |
441 | /* round x down to ensure the loop only spans one 16-pixel block per, |
442 | iteration. otherwise, if (x % 16) != 0, the last iteration may span | |
443 | two 16-pixel blocks but we only mark the first as dirty | |
444 | */ | |
445 | w += (x % 16); | |
446 | x -= (x % 16); | |
447 | ||
9f64916d GH |
448 | x = MIN(x, width); |
449 | y = MIN(y, height); | |
450 | w = MIN(x + w, width) - x; | |
451 | h = MIN(h, height); | |
788abf8e | 452 | |
24236869 | 453 | for (; y < h; y++) |
28a76be8 | 454 | for (i = 0; i < w; i += 16) |
bc2429b9 | 455 | set_bit((x + i) / 16, s->dirty[y]); |
24236869 FB |
456 | } |
457 | ||
70a4568f CC |
458 | void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, |
459 | int32_t encoding) | |
24236869 FB |
460 | { |
461 | vnc_write_u16(vs, x); | |
462 | vnc_write_u16(vs, y); | |
463 | vnc_write_u16(vs, w); | |
464 | vnc_write_u16(vs, h); | |
465 | ||
466 | vnc_write_s32(vs, encoding); | |
467 | } | |
468 | ||
2f9606b3 | 469 | void buffer_reserve(Buffer *buffer, size_t len) |
89064286 AL |
470 | { |
471 | if ((buffer->capacity - buffer->offset) < len) { | |
28a76be8 | 472 | buffer->capacity += (len + 1024); |
7267c094 | 473 | buffer->buffer = g_realloc(buffer->buffer, buffer->capacity); |
28a76be8 AL |
474 | if (buffer->buffer == NULL) { |
475 | fprintf(stderr, "vnc: out of memory\n"); | |
476 | exit(1); | |
477 | } | |
89064286 AL |
478 | } |
479 | } | |
480 | ||
71a8cdec | 481 | static int buffer_empty(Buffer *buffer) |
89064286 AL |
482 | { |
483 | return buffer->offset == 0; | |
484 | } | |
485 | ||
7536ee4b | 486 | uint8_t *buffer_end(Buffer *buffer) |
89064286 AL |
487 | { |
488 | return buffer->buffer + buffer->offset; | |
489 | } | |
490 | ||
2f9606b3 | 491 | void buffer_reset(Buffer *buffer) |
89064286 | 492 | { |
28a76be8 | 493 | buffer->offset = 0; |
89064286 AL |
494 | } |
495 | ||
5d418e3b CC |
496 | void buffer_free(Buffer *buffer) |
497 | { | |
7267c094 | 498 | g_free(buffer->buffer); |
5d418e3b CC |
499 | buffer->offset = 0; |
500 | buffer->capacity = 0; | |
501 | buffer->buffer = NULL; | |
502 | } | |
503 | ||
2f9606b3 | 504 | void buffer_append(Buffer *buffer, const void *data, size_t len) |
89064286 AL |
505 | { |
506 | memcpy(buffer->buffer + buffer->offset, data, len); | |
507 | buffer->offset += len; | |
508 | } | |
509 | ||
32ed2680 TH |
510 | void buffer_advance(Buffer *buf, size_t len) |
511 | { | |
512 | memmove(buf->buffer, buf->buffer + len, | |
513 | (buf->offset - len)); | |
514 | buf->offset -= len; | |
515 | } | |
516 | ||
621aaeb9 GH |
517 | static void vnc_desktop_resize(VncState *vs) |
518 | { | |
d39fa6d8 | 519 | DisplaySurface *ds = vs->vd->ds; |
621aaeb9 GH |
520 | |
521 | if (vs->csock == -1 || !vnc_has_feature(vs, VNC_FEATURE_RESIZE)) { | |
522 | return; | |
523 | } | |
d39fa6d8 GH |
524 | if (vs->client_width == surface_width(ds) && |
525 | vs->client_height == surface_height(ds)) { | |
1d4b638a GH |
526 | return; |
527 | } | |
d39fa6d8 GH |
528 | vs->client_width = surface_width(ds); |
529 | vs->client_height = surface_height(ds); | |
bd023f95 | 530 | vnc_lock_output(vs); |
621aaeb9 GH |
531 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
532 | vnc_write_u8(vs, 0); | |
533 | vnc_write_u16(vs, 1); /* number of rects */ | |
5862d195 | 534 | vnc_framebuffer_update(vs, 0, 0, vs->client_width, vs->client_height, |
621aaeb9 | 535 | VNC_ENCODING_DESKTOPRESIZE); |
bd023f95 | 536 | vnc_unlock_output(vs); |
621aaeb9 GH |
537 | vnc_flush(vs); |
538 | } | |
539 | ||
bd023f95 CC |
540 | static void vnc_abort_display_jobs(VncDisplay *vd) |
541 | { | |
542 | VncState *vs; | |
543 | ||
544 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
545 | vnc_lock_output(vs); | |
546 | vs->abort = true; | |
547 | vnc_unlock_output(vs); | |
548 | } | |
549 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
550 | vnc_jobs_join(vs); | |
551 | } | |
552 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
553 | vnc_lock_output(vs); | |
554 | vs->abort = false; | |
555 | vnc_unlock_output(vs); | |
556 | } | |
557 | } | |
bd023f95 | 558 | |
9f64916d GH |
559 | int vnc_server_fb_stride(VncDisplay *vd) |
560 | { | |
561 | return pixman_image_get_stride(vd->server); | |
562 | } | |
563 | ||
564 | void *vnc_server_fb_ptr(VncDisplay *vd, int x, int y) | |
565 | { | |
566 | uint8_t *ptr; | |
567 | ||
568 | ptr = (uint8_t *)pixman_image_get_data(vd->server); | |
569 | ptr += y * vnc_server_fb_stride(vd); | |
570 | ptr += x * VNC_SERVER_FB_BYTES; | |
571 | return ptr; | |
572 | } | |
573 | ||
c12aeb86 | 574 | static void vnc_dpy_switch(DisplayChangeListener *dcl, |
c12aeb86 | 575 | DisplaySurface *surface) |
24236869 | 576 | { |
21ef45d7 | 577 | VncDisplay *vd = container_of(dcl, VncDisplay, dcl); |
41b4bef6 | 578 | VncState *vs; |
1fc62412 | 579 | |
bd023f95 CC |
580 | vnc_abort_display_jobs(vd); |
581 | ||
1fc62412 | 582 | /* server surface */ |
9f64916d | 583 | qemu_pixman_image_unref(vd->server); |
d39fa6d8 | 584 | vd->ds = surface; |
9f64916d | 585 | vd->server = pixman_image_create_bits(VNC_SERVER_FB_FORMAT, |
d39fa6d8 GH |
586 | surface_width(vd->ds), |
587 | surface_height(vd->ds), | |
9f64916d | 588 | NULL, 0); |
24236869 | 589 | |
6baebed7 | 590 | /* guest surface */ |
9f64916d | 591 | #if 0 /* FIXME */ |
1fc62412 | 592 | if (ds_get_bytes_per_pixel(ds) != vd->guest.ds->pf.bytes_per_pixel) |
a528b80c | 593 | console_color_init(ds); |
9f64916d GH |
594 | #endif |
595 | qemu_pixman_image_unref(vd->guest.fb); | |
d39fa6d8 GH |
596 | vd->guest.fb = pixman_image_ref(surface->image); |
597 | vd->guest.format = surface->format; | |
1fc62412 | 598 | memset(vd->guest.dirty, 0xFF, sizeof(vd->guest.dirty)); |
24236869 | 599 | |
41b4bef6 | 600 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
1fc62412 | 601 | vnc_colordepth(vs); |
1d4b638a | 602 | vnc_desktop_resize(vs); |
d467b679 GH |
603 | if (vs->vd->cursor) { |
604 | vnc_cursor_define(vs); | |
605 | } | |
1fc62412 | 606 | memset(vs->dirty, 0xFF, sizeof(vs->dirty)); |
753b4053 AL |
607 | } |
608 | } | |
609 | ||
3512779a | 610 | /* fastest code */ |
9f64916d | 611 | static void vnc_write_pixels_copy(VncState *vs, |
d467b679 | 612 | void *pixels, int size) |
3512779a FB |
613 | { |
614 | vnc_write(vs, pixels, size); | |
615 | } | |
616 | ||
617 | /* slowest but generic code. */ | |
70a4568f | 618 | void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v) |
3512779a | 619 | { |
7eac3a87 | 620 | uint8_t r, g, b; |
1fc62412 | 621 | |
9f64916d GH |
622 | #if VNC_SERVER_FB_FORMAT == PIXMAN_FORMAT(32, PIXMAN_TYPE_ARGB, 0, 8, 8, 8) |
623 | r = (((v & 0x00ff0000) >> 16) << vs->client_pf.rbits) >> 8; | |
624 | g = (((v & 0x0000ff00) >> 8) << vs->client_pf.gbits) >> 8; | |
625 | b = (((v & 0x000000ff) >> 0) << vs->client_pf.bbits) >> 8; | |
626 | #else | |
627 | # error need some bits here if you change VNC_SERVER_FB_FORMAT | |
628 | #endif | |
629 | v = (r << vs->client_pf.rshift) | | |
630 | (g << vs->client_pf.gshift) | | |
631 | (b << vs->client_pf.bshift); | |
632 | switch (vs->client_pf.bytes_per_pixel) { | |
3512779a FB |
633 | case 1: |
634 | buf[0] = v; | |
635 | break; | |
636 | case 2: | |
9f64916d | 637 | if (vs->client_be) { |
3512779a FB |
638 | buf[0] = v >> 8; |
639 | buf[1] = v; | |
640 | } else { | |
641 | buf[1] = v >> 8; | |
642 | buf[0] = v; | |
643 | } | |
644 | break; | |
645 | default: | |
646 | case 4: | |
9f64916d | 647 | if (vs->client_be) { |
3512779a FB |
648 | buf[0] = v >> 24; |
649 | buf[1] = v >> 16; | |
650 | buf[2] = v >> 8; | |
651 | buf[3] = v; | |
652 | } else { | |
653 | buf[3] = v >> 24; | |
654 | buf[2] = v >> 16; | |
655 | buf[1] = v >> 8; | |
656 | buf[0] = v; | |
657 | } | |
658 | break; | |
659 | } | |
660 | } | |
661 | ||
9f64916d | 662 | static void vnc_write_pixels_generic(VncState *vs, |
d467b679 | 663 | void *pixels1, int size) |
3512779a | 664 | { |
3512779a | 665 | uint8_t buf[4]; |
3512779a | 666 | |
9f64916d | 667 | if (VNC_SERVER_FB_BYTES == 4) { |
7eac3a87 AL |
668 | uint32_t *pixels = pixels1; |
669 | int n, i; | |
670 | n = size >> 2; | |
9f64916d | 671 | for (i = 0; i < n; i++) { |
7eac3a87 | 672 | vnc_convert_pixel(vs, buf, pixels[i]); |
9f64916d | 673 | vnc_write(vs, buf, vs->client_pf.bytes_per_pixel); |
7eac3a87 | 674 | } |
3512779a FB |
675 | } |
676 | } | |
677 | ||
a885211e | 678 | int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h) |
24236869 FB |
679 | { |
680 | int i; | |
60fe76f3 | 681 | uint8_t *row; |
1fc62412 | 682 | VncDisplay *vd = vs->vd; |
24236869 | 683 | |
9f64916d | 684 | row = vnc_server_fb_ptr(vd, x, y); |
24236869 | 685 | for (i = 0; i < h; i++) { |
9f64916d GH |
686 | vs->write_pixels(vs, row, w * VNC_SERVER_FB_BYTES); |
687 | row += vnc_server_fb_stride(vd); | |
24236869 | 688 | } |
a885211e | 689 | return 1; |
24236869 FB |
690 | } |
691 | ||
bd023f95 | 692 | int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h) |
24236869 | 693 | { |
a885211e CC |
694 | int n = 0; |
695 | ||
fb437313 | 696 | switch(vs->vnc_encoding) { |
28a76be8 | 697 | case VNC_ENCODING_ZLIB: |
a885211e | 698 | n = vnc_zlib_send_framebuffer_update(vs, x, y, w, h); |
28a76be8 AL |
699 | break; |
700 | case VNC_ENCODING_HEXTILE: | |
701 | vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_HEXTILE); | |
a885211e | 702 | n = vnc_hextile_send_framebuffer_update(vs, x, y, w, h); |
28a76be8 | 703 | break; |
380282b0 CC |
704 | case VNC_ENCODING_TIGHT: |
705 | n = vnc_tight_send_framebuffer_update(vs, x, y, w, h); | |
706 | break; | |
efe556ad CC |
707 | case VNC_ENCODING_TIGHT_PNG: |
708 | n = vnc_tight_png_send_framebuffer_update(vs, x, y, w, h); | |
709 | break; | |
148954fa CC |
710 | case VNC_ENCODING_ZRLE: |
711 | n = vnc_zrle_send_framebuffer_update(vs, x, y, w, h); | |
712 | break; | |
713 | case VNC_ENCODING_ZYWRLE: | |
714 | n = vnc_zywrle_send_framebuffer_update(vs, x, y, w, h); | |
715 | break; | |
28a76be8 AL |
716 | default: |
717 | vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_RAW); | |
a885211e | 718 | n = vnc_raw_send_framebuffer_update(vs, x, y, w, h); |
28a76be8 | 719 | break; |
fb437313 | 720 | } |
a885211e | 721 | return n; |
24236869 FB |
722 | } |
723 | ||
753b4053 | 724 | static void vnc_copy(VncState *vs, int src_x, int src_y, int dst_x, int dst_y, int w, int h) |
24236869 | 725 | { |
3e28c9ad | 726 | /* send bitblit op to the vnc client */ |
bd023f95 | 727 | vnc_lock_output(vs); |
46a183da | 728 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
24236869 FB |
729 | vnc_write_u8(vs, 0); |
730 | vnc_write_u16(vs, 1); /* number of rects */ | |
29fa4ed9 | 731 | vnc_framebuffer_update(vs, dst_x, dst_y, w, h, VNC_ENCODING_COPYRECT); |
24236869 FB |
732 | vnc_write_u16(vs, src_x); |
733 | vnc_write_u16(vs, src_y); | |
bd023f95 | 734 | vnc_unlock_output(vs); |
24236869 FB |
735 | vnc_flush(vs); |
736 | } | |
737 | ||
7c20b4a3 | 738 | static void vnc_dpy_copy(DisplayChangeListener *dcl, |
7c20b4a3 GH |
739 | int src_x, int src_y, |
740 | int dst_x, int dst_y, int w, int h) | |
753b4053 | 741 | { |
21ef45d7 | 742 | VncDisplay *vd = container_of(dcl, VncDisplay, dcl); |
198a0039 | 743 | VncState *vs, *vn; |
1fc62412 SS |
744 | uint8_t *src_row; |
745 | uint8_t *dst_row; | |
9f64916d | 746 | int i, x, y, pitch, inc, w_lim, s; |
1fc62412 | 747 | int cmp_bytes; |
198a0039 | 748 | |
1fc62412 | 749 | vnc_refresh_server_surface(vd); |
41b4bef6 | 750 | QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) { |
198a0039 GH |
751 | if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) { |
752 | vs->force_update = 1; | |
bd023f95 | 753 | vnc_update_client_sync(vs, 1); |
198a0039 GH |
754 | /* vs might be free()ed here */ |
755 | } | |
756 | } | |
757 | ||
1fc62412 | 758 | /* do bitblit op on the local surface too */ |
9f64916d GH |
759 | pitch = vnc_server_fb_stride(vd); |
760 | src_row = vnc_server_fb_ptr(vd, src_x, src_y); | |
761 | dst_row = vnc_server_fb_ptr(vd, dst_x, dst_y); | |
1fc62412 SS |
762 | y = dst_y; |
763 | inc = 1; | |
764 | if (dst_y > src_y) { | |
765 | /* copy backwards */ | |
766 | src_row += pitch * (h-1); | |
767 | dst_row += pitch * (h-1); | |
768 | pitch = -pitch; | |
769 | y = dst_y + h - 1; | |
770 | inc = -1; | |
771 | } | |
772 | w_lim = w - (16 - (dst_x % 16)); | |
773 | if (w_lim < 0) | |
774 | w_lim = w; | |
775 | else | |
776 | w_lim = w - (w_lim % 16); | |
777 | for (i = 0; i < h; i++) { | |
778 | for (x = 0; x <= w_lim; | |
779 | x += s, src_row += cmp_bytes, dst_row += cmp_bytes) { | |
780 | if (x == w_lim) { | |
781 | if ((s = w - w_lim) == 0) | |
782 | break; | |
783 | } else if (!x) { | |
784 | s = (16 - (dst_x % 16)); | |
785 | s = MIN(s, w_lim); | |
786 | } else { | |
787 | s = 16; | |
788 | } | |
9f64916d | 789 | cmp_bytes = s * VNC_SERVER_FB_BYTES; |
1fc62412 SS |
790 | if (memcmp(src_row, dst_row, cmp_bytes) == 0) |
791 | continue; | |
792 | memmove(dst_row, src_row, cmp_bytes); | |
41b4bef6 AS |
793 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
794 | if (!vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) { | |
bc2429b9 | 795 | set_bit(((x + dst_x) / 16), vs->dirty[y]); |
41b4bef6 | 796 | } |
1fc62412 SS |
797 | } |
798 | } | |
9f64916d GH |
799 | src_row += pitch - w * VNC_SERVER_FB_BYTES; |
800 | dst_row += pitch - w * VNC_SERVER_FB_BYTES; | |
1fc62412 SS |
801 | y += inc; |
802 | } | |
803 | ||
41b4bef6 AS |
804 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
805 | if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) { | |
753b4053 | 806 | vnc_copy(vs, src_x, src_y, dst_x, dst_y, w, h); |
41b4bef6 | 807 | } |
753b4053 AL |
808 | } |
809 | } | |
810 | ||
7c20b4a3 | 811 | static void vnc_mouse_set(DisplayChangeListener *dcl, |
7c20b4a3 | 812 | int x, int y, int visible) |
d467b679 GH |
813 | { |
814 | /* can we ask the client(s) to move the pointer ??? */ | |
815 | } | |
816 | ||
817 | static int vnc_cursor_define(VncState *vs) | |
818 | { | |
819 | QEMUCursor *c = vs->vd->cursor; | |
d467b679 GH |
820 | int isize; |
821 | ||
822 | if (vnc_has_feature(vs, VNC_FEATURE_RICH_CURSOR)) { | |
d01f9595 | 823 | vnc_lock_output(vs); |
d467b679 GH |
824 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
825 | vnc_write_u8(vs, 0); /* padding */ | |
826 | vnc_write_u16(vs, 1); /* # of rects */ | |
827 | vnc_framebuffer_update(vs, c->hot_x, c->hot_y, c->width, c->height, | |
828 | VNC_ENCODING_RICH_CURSOR); | |
9f64916d GH |
829 | isize = c->width * c->height * vs->client_pf.bytes_per_pixel; |
830 | vnc_write_pixels_generic(vs, c->data, isize); | |
d467b679 | 831 | vnc_write(vs, vs->vd->cursor_mask, vs->vd->cursor_msize); |
d01f9595 | 832 | vnc_unlock_output(vs); |
d467b679 GH |
833 | return 0; |
834 | } | |
835 | return -1; | |
836 | } | |
837 | ||
7c20b4a3 | 838 | static void vnc_dpy_cursor_define(DisplayChangeListener *dcl, |
7c20b4a3 | 839 | QEMUCursor *c) |
d467b679 GH |
840 | { |
841 | VncDisplay *vd = vnc_display; | |
842 | VncState *vs; | |
843 | ||
844 | cursor_put(vd->cursor); | |
7267c094 | 845 | g_free(vd->cursor_mask); |
d467b679 GH |
846 | |
847 | vd->cursor = c; | |
848 | cursor_get(vd->cursor); | |
849 | vd->cursor_msize = cursor_get_mono_bpl(c) * c->height; | |
7267c094 | 850 | vd->cursor_mask = g_malloc0(vd->cursor_msize); |
d467b679 GH |
851 | cursor_get_mono_mask(c, 0, vd->cursor_mask); |
852 | ||
853 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
854 | vnc_cursor_define(vs); | |
855 | } | |
856 | } | |
857 | ||
1fc62412 | 858 | static int find_and_clear_dirty_height(struct VncState *vs, |
6c71a539 | 859 | int y, int last_x, int x, int height) |
24236869 FB |
860 | { |
861 | int h; | |
862 | ||
6c71a539 | 863 | for (h = 1; h < (height - y); h++) { |
28a76be8 | 864 | int tmp_x; |
bc2429b9 | 865 | if (!test_bit(last_x, vs->dirty[y + h])) { |
28a76be8 | 866 | break; |
bc2429b9 CC |
867 | } |
868 | for (tmp_x = last_x; tmp_x < x; tmp_x++) { | |
869 | clear_bit(tmp_x, vs->dirty[y + h]); | |
870 | } | |
24236869 FB |
871 | } |
872 | ||
873 | return h; | |
874 | } | |
875 | ||
bd023f95 CC |
876 | static int vnc_update_client_sync(VncState *vs, int has_dirty) |
877 | { | |
878 | int ret = vnc_update_client(vs, has_dirty); | |
879 | vnc_jobs_join(vs); | |
880 | return ret; | |
881 | } | |
bd023f95 | 882 | |
2430ffe4 | 883 | static int vnc_update_client(VncState *vs, int has_dirty) |
24236869 | 884 | { |
24236869 | 885 | if (vs->need_update && vs->csock != -1) { |
1fc62412 | 886 | VncDisplay *vd = vs->vd; |
bd023f95 | 887 | VncJob *job; |
28a76be8 | 888 | int y; |
847ce6a1 | 889 | int width, height; |
bd023f95 CC |
890 | int n = 0; |
891 | ||
24236869 | 892 | |
703bc68f | 893 | if (vs->output.offset && !vs->audio_cap && !vs->force_update) |
c522d0e2 | 894 | /* kernel send buffers are full -> drop frames to throttle */ |
2430ffe4 | 895 | return 0; |
a0ecfb73 | 896 | |
703bc68f | 897 | if (!has_dirty && !vs->audio_cap && !vs->force_update) |
2430ffe4 | 898 | return 0; |
28a76be8 | 899 | |
6baebed7 AL |
900 | /* |
901 | * Send screen updates to the vnc client using the server | |
902 | * surface and server dirty map. guest surface updates | |
903 | * happening in parallel don't disturb us, the next pass will | |
904 | * send them to the client. | |
905 | */ | |
bd023f95 | 906 | job = vnc_job_new(vs); |
28a76be8 | 907 | |
9f64916d GH |
908 | width = MIN(pixman_image_get_width(vd->server), vs->client_width); |
909 | height = MIN(pixman_image_get_height(vd->server), vs->client_height); | |
847ce6a1 GH |
910 | |
911 | for (y = 0; y < height; y++) { | |
28a76be8 AL |
912 | int x; |
913 | int last_x = -1; | |
847ce6a1 | 914 | for (x = 0; x < width / 16; x++) { |
bc2429b9 | 915 | if (test_and_clear_bit(x, vs->dirty[y])) { |
28a76be8 AL |
916 | if (last_x == -1) { |
917 | last_x = x; | |
918 | } | |
28a76be8 AL |
919 | } else { |
920 | if (last_x != -1) { | |
6c71a539 CC |
921 | int h = find_and_clear_dirty_height(vs, y, last_x, x, |
922 | height); | |
bd023f95 CC |
923 | |
924 | n += vnc_job_add_rect(job, last_x * 16, y, | |
925 | (x - last_x) * 16, h); | |
28a76be8 AL |
926 | } |
927 | last_x = -1; | |
928 | } | |
929 | } | |
930 | if (last_x != -1) { | |
6c71a539 | 931 | int h = find_and_clear_dirty_height(vs, y, last_x, x, height); |
bd023f95 CC |
932 | n += vnc_job_add_rect(job, last_x * 16, y, |
933 | (x - last_x) * 16, h); | |
28a76be8 AL |
934 | } |
935 | } | |
bd023f95 CC |
936 | |
937 | vnc_job_push(job); | |
c522d0e2 | 938 | vs->force_update = 0; |
bd023f95 | 939 | return n; |
24236869 | 940 | } |
24236869 | 941 | |
703bc68f | 942 | if (vs->csock == -1) |
198a0039 | 943 | vnc_disconnect_finish(vs); |
2430ffe4 SS |
944 | |
945 | return 0; | |
24236869 FB |
946 | } |
947 | ||
429a8ed3 | 948 | /* audio */ |
949 | static void audio_capture_notify(void *opaque, audcnotification_e cmd) | |
950 | { | |
951 | VncState *vs = opaque; | |
952 | ||
953 | switch (cmd) { | |
954 | case AUD_CNOTIFY_DISABLE: | |
bd023f95 | 955 | vnc_lock_output(vs); |
46a183da DB |
956 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU); |
957 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO); | |
958 | vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_END); | |
bd023f95 | 959 | vnc_unlock_output(vs); |
429a8ed3 | 960 | vnc_flush(vs); |
961 | break; | |
962 | ||
963 | case AUD_CNOTIFY_ENABLE: | |
bd023f95 | 964 | vnc_lock_output(vs); |
46a183da DB |
965 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU); |
966 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO); | |
967 | vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_BEGIN); | |
bd023f95 | 968 | vnc_unlock_output(vs); |
429a8ed3 | 969 | vnc_flush(vs); |
970 | break; | |
971 | } | |
972 | } | |
973 | ||
974 | static void audio_capture_destroy(void *opaque) | |
975 | { | |
976 | } | |
977 | ||
978 | static void audio_capture(void *opaque, void *buf, int size) | |
979 | { | |
980 | VncState *vs = opaque; | |
981 | ||
bd023f95 | 982 | vnc_lock_output(vs); |
46a183da DB |
983 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU); |
984 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO); | |
985 | vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_DATA); | |
429a8ed3 | 986 | vnc_write_u32(vs, size); |
987 | vnc_write(vs, buf, size); | |
bd023f95 | 988 | vnc_unlock_output(vs); |
429a8ed3 | 989 | vnc_flush(vs); |
990 | } | |
991 | ||
992 | static void audio_add(VncState *vs) | |
993 | { | |
994 | struct audio_capture_ops ops; | |
995 | ||
996 | if (vs->audio_cap) { | |
8631b608 | 997 | monitor_printf(default_mon, "audio already running\n"); |
429a8ed3 | 998 | return; |
999 | } | |
1000 | ||
1001 | ops.notify = audio_capture_notify; | |
1002 | ops.destroy = audio_capture_destroy; | |
1003 | ops.capture = audio_capture; | |
1004 | ||
1a7dafce | 1005 | vs->audio_cap = AUD_add_capture(&vs->as, &ops, vs); |
429a8ed3 | 1006 | if (!vs->audio_cap) { |
8631b608 | 1007 | monitor_printf(default_mon, "Failed to add audio capture\n"); |
429a8ed3 | 1008 | } |
1009 | } | |
1010 | ||
1011 | static void audio_del(VncState *vs) | |
1012 | { | |
1013 | if (vs->audio_cap) { | |
1014 | AUD_del_capture(vs->audio_cap, vs); | |
1015 | vs->audio_cap = NULL; | |
1016 | } | |
1017 | } | |
1018 | ||
198a0039 GH |
1019 | static void vnc_disconnect_start(VncState *vs) |
1020 | { | |
1021 | if (vs->csock == -1) | |
1022 | return; | |
8cf36489 | 1023 | vnc_set_share_mode(vs, VNC_SHARE_MODE_DISCONNECTED); |
198a0039 GH |
1024 | qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL); |
1025 | closesocket(vs->csock); | |
1026 | vs->csock = -1; | |
1027 | } | |
1028 | ||
7536ee4b | 1029 | void vnc_disconnect_finish(VncState *vs) |
198a0039 | 1030 | { |
7d964c9d CC |
1031 | int i; |
1032 | ||
bd023f95 CC |
1033 | vnc_jobs_join(vs); /* Wait encoding jobs */ |
1034 | ||
1035 | vnc_lock_output(vs); | |
0d72f3d3 LC |
1036 | vnc_qmp_event(vs, QEVENT_VNC_DISCONNECTED); |
1037 | ||
5d418e3b CC |
1038 | buffer_free(&vs->input); |
1039 | buffer_free(&vs->output); | |
7536ee4b TH |
1040 | #ifdef CONFIG_VNC_WS |
1041 | buffer_free(&vs->ws_input); | |
1042 | buffer_free(&vs->ws_output); | |
1043 | #endif /* CONFIG_VNC_WS */ | |
4a80dba3 LC |
1044 | |
1045 | qobject_decref(vs->info); | |
1046 | ||
161c4f20 | 1047 | vnc_zlib_clear(vs); |
380282b0 | 1048 | vnc_tight_clear(vs); |
148954fa | 1049 | vnc_zrle_clear(vs); |
161c4f20 | 1050 | |
198a0039 GH |
1051 | #ifdef CONFIG_VNC_TLS |
1052 | vnc_tls_client_cleanup(vs); | |
1053 | #endif /* CONFIG_VNC_TLS */ | |
1054 | #ifdef CONFIG_VNC_SASL | |
1055 | vnc_sasl_client_cleanup(vs); | |
1056 | #endif /* CONFIG_VNC_SASL */ | |
1057 | audio_del(vs); | |
7bc9318b | 1058 | vnc_release_modifiers(vs); |
198a0039 | 1059 | |
6fd8e79a TH |
1060 | if (vs->initialized) { |
1061 | QTAILQ_REMOVE(&vs->vd->clients, vs, next); | |
1062 | qemu_remove_mouse_mode_change_notifier(&vs->mouse_mode_notifier); | |
1063 | } | |
41b4bef6 | 1064 | |
3a0558b5 GH |
1065 | if (vs->vd->lock_key_sync) |
1066 | qemu_remove_led_event_handler(vs->led); | |
bd023f95 CC |
1067 | vnc_unlock_output(vs); |
1068 | ||
bd023f95 | 1069 | qemu_mutex_destroy(&vs->output_mutex); |
6fd8e79a TH |
1070 | if (vs->bh != NULL) { |
1071 | qemu_bh_delete(vs->bh); | |
1072 | } | |
175b2a6e | 1073 | buffer_free(&vs->jobs_buffer); |
175b2a6e | 1074 | |
7d964c9d | 1075 | for (i = 0; i < VNC_STAT_ROWS; ++i) { |
7267c094 | 1076 | g_free(vs->lossy_rect[i]); |
7d964c9d | 1077 | } |
7267c094 AL |
1078 | g_free(vs->lossy_rect); |
1079 | g_free(vs); | |
198a0039 | 1080 | } |
2f9606b3 AL |
1081 | |
1082 | int vnc_client_io_error(VncState *vs, int ret, int last_errno) | |
24236869 FB |
1083 | { |
1084 | if (ret == 0 || ret == -1) { | |
ea01e5fd AZ |
1085 | if (ret == -1) { |
1086 | switch (last_errno) { | |
1087 | case EINTR: | |
1088 | case EAGAIN: | |
1089 | #ifdef _WIN32 | |
1090 | case WSAEWOULDBLOCK: | |
1091 | #endif | |
1092 | return 0; | |
1093 | default: | |
1094 | break; | |
1095 | } | |
1096 | } | |
24236869 | 1097 | |
198a0039 GH |
1098 | VNC_DEBUG("Closing down client sock: ret %d, errno %d\n", |
1099 | ret, ret < 0 ? last_errno : 0); | |
1100 | vnc_disconnect_start(vs); | |
6baebed7 | 1101 | |
28a76be8 | 1102 | return 0; |
24236869 FB |
1103 | } |
1104 | return ret; | |
1105 | } | |
1106 | ||
5fb6c7a8 AL |
1107 | |
1108 | void vnc_client_error(VncState *vs) | |
24236869 | 1109 | { |
198a0039 GH |
1110 | VNC_DEBUG("Closing down client sock: protocol error\n"); |
1111 | vnc_disconnect_start(vs); | |
24236869 FB |
1112 | } |
1113 | ||
2f9606b3 AL |
1114 | |
1115 | /* | |
1116 | * Called to write a chunk of data to the client socket. The data may | |
1117 | * be the raw data, or may have already been encoded by SASL. | |
1118 | * The data will be written either straight onto the socket, or | |
1119 | * written via the GNUTLS wrappers, if TLS/SSL encryption is enabled | |
1120 | * | |
1121 | * NB, it is theoretically possible to have 2 layers of encryption, | |
1122 | * both SASL, and this TLS layer. It is highly unlikely in practice | |
1123 | * though, since SASL encryption will typically be a no-op if TLS | |
1124 | * is active | |
1125 | * | |
1126 | * Returns the number of bytes written, which may be less than | |
1127 | * the requested 'datalen' if the socket would block. Returns | |
1128 | * -1 on error, and disconnects the client socket. | |
1129 | */ | |
1130 | long vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen) | |
24236869 | 1131 | { |
ceb5caaf | 1132 | long ret; |
eb38c52c | 1133 | #ifdef CONFIG_VNC_TLS |
5fb6c7a8 | 1134 | if (vs->tls.session) { |
28a76be8 AL |
1135 | ret = gnutls_write(vs->tls.session, data, datalen); |
1136 | if (ret < 0) { | |
1137 | if (ret == GNUTLS_E_AGAIN) | |
1138 | errno = EAGAIN; | |
1139 | else | |
1140 | errno = EIO; | |
1141 | ret = -1; | |
1142 | } | |
8d5d2d4c TS |
1143 | } else |
1144 | #endif /* CONFIG_VNC_TLS */ | |
70503264 | 1145 | ret = send(vs->csock, (const void *)data, datalen, 0); |
23decc87 | 1146 | VNC_DEBUG("Wrote wire %p %zd -> %ld\n", data, datalen, ret); |
2f9606b3 AL |
1147 | return vnc_client_io_error(vs, ret, socket_error()); |
1148 | } | |
1149 | ||
1150 | ||
1151 | /* | |
1152 | * Called to write buffered data to the client socket, when not | |
1153 | * using any SASL SSF encryption layers. Will write as much data | |
1154 | * as possible without blocking. If all buffered data is written, | |
1155 | * will switch the FD poll() handler back to read monitoring. | |
1156 | * | |
1157 | * Returns the number of bytes written, which may be less than | |
1158 | * the buffered output data if the socket would block. Returns | |
1159 | * -1 on error, and disconnects the client socket. | |
1160 | */ | |
1161 | static long vnc_client_write_plain(VncState *vs) | |
1162 | { | |
1163 | long ret; | |
1164 | ||
1165 | #ifdef CONFIG_VNC_SASL | |
23decc87 | 1166 | VNC_DEBUG("Write Plain: Pending output %p size %zd offset %zd. Wait SSF %d\n", |
2f9606b3 AL |
1167 | vs->output.buffer, vs->output.capacity, vs->output.offset, |
1168 | vs->sasl.waitWriteSSF); | |
1169 | ||
1170 | if (vs->sasl.conn && | |
1171 | vs->sasl.runSSF && | |
1172 | vs->sasl.waitWriteSSF) { | |
1173 | ret = vnc_client_write_buf(vs, vs->output.buffer, vs->sasl.waitWriteSSF); | |
1174 | if (ret) | |
1175 | vs->sasl.waitWriteSSF -= ret; | |
1176 | } else | |
1177 | #endif /* CONFIG_VNC_SASL */ | |
1178 | ret = vnc_client_write_buf(vs, vs->output.buffer, vs->output.offset); | |
24236869 | 1179 | if (!ret) |
2f9606b3 | 1180 | return 0; |
24236869 | 1181 | |
32ed2680 | 1182 | buffer_advance(&vs->output, ret); |
24236869 FB |
1183 | |
1184 | if (vs->output.offset == 0) { | |
28a76be8 | 1185 | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); |
24236869 | 1186 | } |
2f9606b3 AL |
1187 | |
1188 | return ret; | |
1189 | } | |
1190 | ||
1191 | ||
1192 | /* | |
1193 | * First function called whenever there is data to be written to | |
1194 | * the client socket. Will delegate actual work according to whether | |
1195 | * SASL SSF layers are enabled (thus requiring encryption calls) | |
1196 | */ | |
bd023f95 | 1197 | static void vnc_client_write_locked(void *opaque) |
2f9606b3 | 1198 | { |
2f9606b3 AL |
1199 | VncState *vs = opaque; |
1200 | ||
1201 | #ifdef CONFIG_VNC_SASL | |
1202 | if (vs->sasl.conn && | |
1203 | vs->sasl.runSSF && | |
9678d950 BS |
1204 | !vs->sasl.waitWriteSSF) { |
1205 | vnc_client_write_sasl(vs); | |
1206 | } else | |
2f9606b3 | 1207 | #endif /* CONFIG_VNC_SASL */ |
7536ee4b TH |
1208 | { |
1209 | #ifdef CONFIG_VNC_WS | |
1210 | if (vs->encode_ws) { | |
1211 | vnc_client_write_ws(vs); | |
1212 | } else | |
1213 | #endif /* CONFIG_VNC_WS */ | |
1214 | { | |
1215 | vnc_client_write_plain(vs); | |
1216 | } | |
1217 | } | |
24236869 FB |
1218 | } |
1219 | ||
bd023f95 CC |
1220 | void vnc_client_write(void *opaque) |
1221 | { | |
1222 | VncState *vs = opaque; | |
1223 | ||
1224 | vnc_lock_output(vs); | |
7536ee4b TH |
1225 | if (vs->output.offset |
1226 | #ifdef CONFIG_VNC_WS | |
1227 | || vs->ws_output.offset | |
1228 | #endif | |
1229 | ) { | |
bd023f95 | 1230 | vnc_client_write_locked(opaque); |
ac71103d | 1231 | } else if (vs->csock != -1) { |
bd023f95 CC |
1232 | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); |
1233 | } | |
1234 | vnc_unlock_output(vs); | |
1235 | } | |
1236 | ||
5fb6c7a8 | 1237 | void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting) |
24236869 FB |
1238 | { |
1239 | vs->read_handler = func; | |
1240 | vs->read_handler_expect = expecting; | |
1241 | } | |
1242 | ||
2f9606b3 AL |
1243 | |
1244 | /* | |
1245 | * Called to read a chunk of data from the client socket. The data may | |
1246 | * be the raw data, or may need to be further decoded by SASL. | |
1247 | * The data will be read either straight from to the socket, or | |
1248 | * read via the GNUTLS wrappers, if TLS/SSL encryption is enabled | |
1249 | * | |
1250 | * NB, it is theoretically possible to have 2 layers of encryption, | |
1251 | * both SASL, and this TLS layer. It is highly unlikely in practice | |
1252 | * though, since SASL encryption will typically be a no-op if TLS | |
1253 | * is active | |
1254 | * | |
1255 | * Returns the number of bytes read, which may be less than | |
1256 | * the requested 'datalen' if the socket would block. Returns | |
1257 | * -1 on error, and disconnects the client socket. | |
1258 | */ | |
1259 | long vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen) | |
24236869 | 1260 | { |
ceb5caaf | 1261 | long ret; |
eb38c52c | 1262 | #ifdef CONFIG_VNC_TLS |
5fb6c7a8 | 1263 | if (vs->tls.session) { |
28a76be8 AL |
1264 | ret = gnutls_read(vs->tls.session, data, datalen); |
1265 | if (ret < 0) { | |
1266 | if (ret == GNUTLS_E_AGAIN) | |
1267 | errno = EAGAIN; | |
1268 | else | |
1269 | errno = EIO; | |
1270 | ret = -1; | |
1271 | } | |
8d5d2d4c TS |
1272 | } else |
1273 | #endif /* CONFIG_VNC_TLS */ | |
00aa0040 | 1274 | ret = qemu_recv(vs->csock, data, datalen, 0); |
23decc87 | 1275 | VNC_DEBUG("Read wire %p %zd -> %ld\n", data, datalen, ret); |
2f9606b3 AL |
1276 | return vnc_client_io_error(vs, ret, socket_error()); |
1277 | } | |
24236869 | 1278 | |
2f9606b3 AL |
1279 | |
1280 | /* | |
1281 | * Called to read data from the client socket to the input buffer, | |
1282 | * when not using any SASL SSF encryption layers. Will read as much | |
1283 | * data as possible without blocking. | |
1284 | * | |
1285 | * Returns the number of bytes read. Returns -1 on error, and | |
1286 | * disconnects the client socket. | |
1287 | */ | |
1288 | static long vnc_client_read_plain(VncState *vs) | |
1289 | { | |
1290 | int ret; | |
23decc87 | 1291 | VNC_DEBUG("Read plain %p size %zd offset %zd\n", |
2f9606b3 AL |
1292 | vs->input.buffer, vs->input.capacity, vs->input.offset); |
1293 | buffer_reserve(&vs->input, 4096); | |
1294 | ret = vnc_client_read_buf(vs, buffer_end(&vs->input), 4096); | |
1295 | if (!ret) | |
1296 | return 0; | |
24236869 | 1297 | vs->input.offset += ret; |
2f9606b3 AL |
1298 | return ret; |
1299 | } | |
1300 | ||
175b2a6e CC |
1301 | static void vnc_jobs_bh(void *opaque) |
1302 | { | |
1303 | VncState *vs = opaque; | |
1304 | ||
1305 | vnc_jobs_consume_buffer(vs); | |
1306 | } | |
2f9606b3 AL |
1307 | |
1308 | /* | |
1309 | * First function called whenever there is more data to be read from | |
1310 | * the client socket. Will delegate actual work according to whether | |
1311 | * SASL SSF layers are enabled (thus requiring decryption calls) | |
1312 | */ | |
1313 | void vnc_client_read(void *opaque) | |
1314 | { | |
1315 | VncState *vs = opaque; | |
1316 | long ret; | |
1317 | ||
1318 | #ifdef CONFIG_VNC_SASL | |
1319 | if (vs->sasl.conn && vs->sasl.runSSF) | |
1320 | ret = vnc_client_read_sasl(vs); | |
1321 | else | |
1322 | #endif /* CONFIG_VNC_SASL */ | |
7536ee4b TH |
1323 | #ifdef CONFIG_VNC_WS |
1324 | if (vs->encode_ws) { | |
1325 | ret = vnc_client_read_ws(vs); | |
1326 | if (ret == -1) { | |
1327 | vnc_disconnect_start(vs); | |
1328 | return; | |
1329 | } else if (ret == -2) { | |
1330 | vnc_client_error(vs); | |
1331 | return; | |
1332 | } | |
1333 | } else | |
1334 | #endif /* CONFIG_VNC_WS */ | |
1335 | { | |
2f9606b3 | 1336 | ret = vnc_client_read_plain(vs); |
7536ee4b | 1337 | } |
198a0039 GH |
1338 | if (!ret) { |
1339 | if (vs->csock == -1) | |
1340 | vnc_disconnect_finish(vs); | |
28a76be8 | 1341 | return; |
198a0039 | 1342 | } |
24236869 FB |
1343 | |
1344 | while (vs->read_handler && vs->input.offset >= vs->read_handler_expect) { | |
28a76be8 AL |
1345 | size_t len = vs->read_handler_expect; |
1346 | int ret; | |
1347 | ||
1348 | ret = vs->read_handler(vs, vs->input.buffer, len); | |
198a0039 GH |
1349 | if (vs->csock == -1) { |
1350 | vnc_disconnect_finish(vs); | |
28a76be8 | 1351 | return; |
198a0039 | 1352 | } |
28a76be8 AL |
1353 | |
1354 | if (!ret) { | |
32ed2680 | 1355 | buffer_advance(&vs->input, len); |
28a76be8 AL |
1356 | } else { |
1357 | vs->read_handler_expect = ret; | |
1358 | } | |
24236869 FB |
1359 | } |
1360 | } | |
1361 | ||
5fb6c7a8 | 1362 | void vnc_write(VncState *vs, const void *data, size_t len) |
24236869 FB |
1363 | { |
1364 | buffer_reserve(&vs->output, len); | |
1365 | ||
198a0039 | 1366 | if (vs->csock != -1 && buffer_empty(&vs->output)) { |
28a76be8 | 1367 | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs); |
24236869 FB |
1368 | } |
1369 | ||
1370 | buffer_append(&vs->output, data, len); | |
1371 | } | |
1372 | ||
5fb6c7a8 | 1373 | void vnc_write_s32(VncState *vs, int32_t value) |
24236869 FB |
1374 | { |
1375 | vnc_write_u32(vs, *(uint32_t *)&value); | |
1376 | } | |
1377 | ||
5fb6c7a8 | 1378 | void vnc_write_u32(VncState *vs, uint32_t value) |
24236869 FB |
1379 | { |
1380 | uint8_t buf[4]; | |
1381 | ||
1382 | buf[0] = (value >> 24) & 0xFF; | |
1383 | buf[1] = (value >> 16) & 0xFF; | |
1384 | buf[2] = (value >> 8) & 0xFF; | |
1385 | buf[3] = value & 0xFF; | |
1386 | ||
1387 | vnc_write(vs, buf, 4); | |
1388 | } | |
1389 | ||
5fb6c7a8 | 1390 | void vnc_write_u16(VncState *vs, uint16_t value) |
24236869 | 1391 | { |
64f5a135 | 1392 | uint8_t buf[2]; |
24236869 FB |
1393 | |
1394 | buf[0] = (value >> 8) & 0xFF; | |
1395 | buf[1] = value & 0xFF; | |
1396 | ||
1397 | vnc_write(vs, buf, 2); | |
1398 | } | |
1399 | ||
5fb6c7a8 | 1400 | void vnc_write_u8(VncState *vs, uint8_t value) |
24236869 FB |
1401 | { |
1402 | vnc_write(vs, (char *)&value, 1); | |
1403 | } | |
1404 | ||
5fb6c7a8 | 1405 | void vnc_flush(VncState *vs) |
24236869 | 1406 | { |
bd023f95 | 1407 | vnc_lock_output(vs); |
7536ee4b TH |
1408 | if (vs->csock != -1 && (vs->output.offset |
1409 | #ifdef CONFIG_VNC_WS | |
1410 | || vs->ws_output.offset | |
1411 | #endif | |
1412 | )) { | |
bd023f95 CC |
1413 | vnc_client_write_locked(vs); |
1414 | } | |
1415 | vnc_unlock_output(vs); | |
24236869 FB |
1416 | } |
1417 | ||
71a8cdec | 1418 | static uint8_t read_u8(uint8_t *data, size_t offset) |
24236869 FB |
1419 | { |
1420 | return data[offset]; | |
1421 | } | |
1422 | ||
71a8cdec | 1423 | static uint16_t read_u16(uint8_t *data, size_t offset) |
24236869 FB |
1424 | { |
1425 | return ((data[offset] & 0xFF) << 8) | (data[offset + 1] & 0xFF); | |
1426 | } | |
1427 | ||
71a8cdec | 1428 | static int32_t read_s32(uint8_t *data, size_t offset) |
24236869 FB |
1429 | { |
1430 | return (int32_t)((data[offset] << 24) | (data[offset + 1] << 16) | | |
28a76be8 | 1431 | (data[offset + 2] << 8) | data[offset + 3]); |
24236869 FB |
1432 | } |
1433 | ||
5fb6c7a8 | 1434 | uint32_t read_u32(uint8_t *data, size_t offset) |
24236869 FB |
1435 | { |
1436 | return ((data[offset] << 24) | (data[offset + 1] << 16) | | |
28a76be8 | 1437 | (data[offset + 2] << 8) | data[offset + 3]); |
24236869 FB |
1438 | } |
1439 | ||
60fe76f3 | 1440 | static void client_cut_text(VncState *vs, size_t len, uint8_t *text) |
24236869 FB |
1441 | { |
1442 | } | |
1443 | ||
9e8dd451 | 1444 | static void check_pointer_type_change(Notifier *notifier, void *data) |
564c337e | 1445 | { |
37c34d9d AL |
1446 | VncState *vs = container_of(notifier, VncState, mouse_mode_notifier); |
1447 | int absolute = kbd_mouse_is_absolute(); | |
1448 | ||
29fa4ed9 | 1449 | if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE) && vs->absolute != absolute) { |
bd023f95 | 1450 | vnc_lock_output(vs); |
46a183da | 1451 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
28a76be8 AL |
1452 | vnc_write_u8(vs, 0); |
1453 | vnc_write_u16(vs, 1); | |
1454 | vnc_framebuffer_update(vs, absolute, 0, | |
d39fa6d8 GH |
1455 | surface_width(vs->vd->ds), |
1456 | surface_height(vs->vd->ds), | |
29fa4ed9 | 1457 | VNC_ENCODING_POINTER_TYPE_CHANGE); |
bd023f95 | 1458 | vnc_unlock_output(vs); |
28a76be8 | 1459 | vnc_flush(vs); |
564c337e FB |
1460 | } |
1461 | vs->absolute = absolute; | |
1462 | } | |
1463 | ||
24236869 FB |
1464 | static void pointer_event(VncState *vs, int button_mask, int x, int y) |
1465 | { | |
1466 | int buttons = 0; | |
1467 | int dz = 0; | |
d39fa6d8 GH |
1468 | int width = surface_width(vs->vd->ds); |
1469 | int height = surface_height(vs->vd->ds); | |
24236869 FB |
1470 | |
1471 | if (button_mask & 0x01) | |
28a76be8 | 1472 | buttons |= MOUSE_EVENT_LBUTTON; |
24236869 | 1473 | if (button_mask & 0x02) |
28a76be8 | 1474 | buttons |= MOUSE_EVENT_MBUTTON; |
24236869 | 1475 | if (button_mask & 0x04) |
28a76be8 | 1476 | buttons |= MOUSE_EVENT_RBUTTON; |
24236869 | 1477 | if (button_mask & 0x08) |
28a76be8 | 1478 | dz = -1; |
24236869 | 1479 | if (button_mask & 0x10) |
28a76be8 | 1480 | dz = 1; |
564c337e FB |
1481 | |
1482 | if (vs->absolute) { | |
d39fa6d8 GH |
1483 | kbd_mouse_event(width > 1 ? x * 0x7FFF / (width - 1) : 0x4000, |
1484 | height > 1 ? y * 0x7FFF / (height - 1) : 0x4000, | |
28a76be8 | 1485 | dz, buttons); |
29fa4ed9 | 1486 | } else if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE)) { |
28a76be8 AL |
1487 | x -= 0x7FFF; |
1488 | y -= 0x7FFF; | |
24236869 | 1489 | |
28a76be8 | 1490 | kbd_mouse_event(x, y, dz, buttons); |
564c337e | 1491 | } else { |
28a76be8 AL |
1492 | if (vs->last_x != -1) |
1493 | kbd_mouse_event(x - vs->last_x, | |
1494 | y - vs->last_y, | |
1495 | dz, buttons); | |
1496 | vs->last_x = x; | |
1497 | vs->last_y = y; | |
24236869 FB |
1498 | } |
1499 | } | |
1500 | ||
64f5a135 FB |
1501 | static void reset_keys(VncState *vs) |
1502 | { | |
1503 | int i; | |
1504 | for(i = 0; i < 256; i++) { | |
1505 | if (vs->modifiers_state[i]) { | |
44bb61c8 ST |
1506 | if (i & SCANCODE_GREY) |
1507 | kbd_put_keycode(SCANCODE_EMUL0); | |
1508 | kbd_put_keycode(i | SCANCODE_UP); | |
64f5a135 FB |
1509 | vs->modifiers_state[i] = 0; |
1510 | } | |
1511 | } | |
1512 | } | |
1513 | ||
a528b80c AZ |
1514 | static void press_key(VncState *vs, int keysym) |
1515 | { | |
44bb61c8 ST |
1516 | int keycode = keysym2scancode(vs->vd->kbd_layout, keysym) & SCANCODE_KEYMASK; |
1517 | if (keycode & SCANCODE_GREY) | |
1518 | kbd_put_keycode(SCANCODE_EMUL0); | |
1519 | kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK); | |
1520 | if (keycode & SCANCODE_GREY) | |
1521 | kbd_put_keycode(SCANCODE_EMUL0); | |
1522 | kbd_put_keycode(keycode | SCANCODE_UP); | |
a528b80c AZ |
1523 | } |
1524 | ||
ab99e5c1 LL |
1525 | static int current_led_state(VncState *vs) |
1526 | { | |
1527 | int ledstate = 0; | |
1528 | ||
1529 | if (vs->modifiers_state[0x46]) { | |
1530 | ledstate |= QEMU_SCROLL_LOCK_LED; | |
1531 | } | |
1532 | if (vs->modifiers_state[0x45]) { | |
1533 | ledstate |= QEMU_NUM_LOCK_LED; | |
1534 | } | |
1535 | if (vs->modifiers_state[0x3a]) { | |
1536 | ledstate |= QEMU_CAPS_LOCK_LED; | |
1537 | } | |
1538 | ||
1539 | return ledstate; | |
1540 | } | |
1541 | ||
1542 | static void vnc_led_state_change(VncState *vs) | |
1543 | { | |
1544 | int ledstate = 0; | |
1545 | ||
1546 | if (!vnc_has_feature(vs, VNC_FEATURE_LED_STATE)) { | |
1547 | return; | |
1548 | } | |
1549 | ||
1550 | ledstate = current_led_state(vs); | |
1551 | vnc_lock_output(vs); | |
1552 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); | |
1553 | vnc_write_u8(vs, 0); | |
1554 | vnc_write_u16(vs, 1); | |
1555 | vnc_framebuffer_update(vs, 0, 0, 1, 1, VNC_ENCODING_LED_STATE); | |
1556 | vnc_write_u8(vs, ledstate); | |
1557 | vnc_unlock_output(vs); | |
1558 | vnc_flush(vs); | |
1559 | } | |
1560 | ||
7ffb82ca GH |
1561 | static void kbd_leds(void *opaque, int ledstate) |
1562 | { | |
1563 | VncState *vs = opaque; | |
96f3d174 | 1564 | int caps, num, scr; |
7ffb82ca GH |
1565 | |
1566 | caps = ledstate & QEMU_CAPS_LOCK_LED ? 1 : 0; | |
1567 | num = ledstate & QEMU_NUM_LOCK_LED ? 1 : 0; | |
96f3d174 | 1568 | scr = ledstate & QEMU_SCROLL_LOCK_LED ? 1 : 0; |
7ffb82ca GH |
1569 | |
1570 | if (vs->modifiers_state[0x3a] != caps) { | |
1571 | vs->modifiers_state[0x3a] = caps; | |
1572 | } | |
1573 | if (vs->modifiers_state[0x45] != num) { | |
1574 | vs->modifiers_state[0x45] = num; | |
1575 | } | |
96f3d174 LL |
1576 | if (vs->modifiers_state[0x46] != scr) { |
1577 | vs->modifiers_state[0x46] = scr; | |
1578 | } | |
ab99e5c1 LL |
1579 | |
1580 | /* Sending the current led state message to the client */ | |
1581 | if (ledstate != current_led_state(vs)) { | |
1582 | vnc_led_state_change(vs); | |
1583 | } | |
7ffb82ca GH |
1584 | } |
1585 | ||
9ca313aa | 1586 | static void do_key_event(VncState *vs, int down, int keycode, int sym) |
24236869 | 1587 | { |
64f5a135 FB |
1588 | /* QEMU console switch */ |
1589 | switch(keycode) { | |
1590 | case 0x2a: /* Left Shift */ | |
1591 | case 0x36: /* Right Shift */ | |
1592 | case 0x1d: /* Left CTRL */ | |
1593 | case 0x9d: /* Right CTRL */ | |
1594 | case 0x38: /* Left ALT */ | |
1595 | case 0xb8: /* Right ALT */ | |
1596 | if (down) | |
1597 | vs->modifiers_state[keycode] = 1; | |
1598 | else | |
1599 | vs->modifiers_state[keycode] = 0; | |
1600 | break; | |
5fafdf24 | 1601 | case 0x02 ... 0x0a: /* '1' to '9' keys */ |
64f5a135 FB |
1602 | if (down && vs->modifiers_state[0x1d] && vs->modifiers_state[0x38]) { |
1603 | /* Reset the modifiers sent to the current console */ | |
1604 | reset_keys(vs); | |
1605 | console_select(keycode - 0x02); | |
1606 | return; | |
1607 | } | |
1608 | break; | |
28a76be8 AL |
1609 | case 0x3a: /* CapsLock */ |
1610 | case 0x45: /* NumLock */ | |
7ffb82ca | 1611 | if (down) |
a528b80c AZ |
1612 | vs->modifiers_state[keycode] ^= 1; |
1613 | break; | |
1614 | } | |
1615 | ||
e7b2aacc LL |
1616 | /* Turn off the lock state sync logic if the client support the led |
1617 | state extension. | |
1618 | */ | |
9892088b | 1619 | if (down && vs->vd->lock_key_sync && |
e7b2aacc | 1620 | !vnc_has_feature(vs, VNC_FEATURE_LED_STATE) && |
3a0558b5 | 1621 | keycode_is_keypad(vs->vd->kbd_layout, keycode)) { |
a528b80c AZ |
1622 | /* If the numlock state needs to change then simulate an additional |
1623 | keypress before sending this one. This will happen if the user | |
1624 | toggles numlock away from the VNC window. | |
1625 | */ | |
753b4053 | 1626 | if (keysym_is_numlock(vs->vd->kbd_layout, sym & 0xFFFF)) { |
a528b80c AZ |
1627 | if (!vs->modifiers_state[0x45]) { |
1628 | vs->modifiers_state[0x45] = 1; | |
1629 | press_key(vs, 0xff7f); | |
1630 | } | |
1631 | } else { | |
1632 | if (vs->modifiers_state[0x45]) { | |
1633 | vs->modifiers_state[0x45] = 0; | |
1634 | press_key(vs, 0xff7f); | |
1635 | } | |
1636 | } | |
64f5a135 | 1637 | } |
24236869 | 1638 | |
9892088b | 1639 | if (down && vs->vd->lock_key_sync && |
e7b2aacc | 1640 | !vnc_has_feature(vs, VNC_FEATURE_LED_STATE) && |
3a0558b5 | 1641 | ((sym >= 'A' && sym <= 'Z') || (sym >= 'a' && sym <= 'z'))) { |
6b132502 GH |
1642 | /* If the capslock state needs to change then simulate an additional |
1643 | keypress before sending this one. This will happen if the user | |
1644 | toggles capslock away from the VNC window. | |
1645 | */ | |
1646 | int uppercase = !!(sym >= 'A' && sym <= 'Z'); | |
1647 | int shift = !!(vs->modifiers_state[0x2a] | vs->modifiers_state[0x36]); | |
1648 | int capslock = !!(vs->modifiers_state[0x3a]); | |
1649 | if (capslock) { | |
1650 | if (uppercase == shift) { | |
1651 | vs->modifiers_state[0x3a] = 0; | |
1652 | press_key(vs, 0xffe5); | |
1653 | } | |
1654 | } else { | |
1655 | if (uppercase != shift) { | |
1656 | vs->modifiers_state[0x3a] = 1; | |
1657 | press_key(vs, 0xffe5); | |
1658 | } | |
1659 | } | |
1660 | } | |
1661 | ||
81c0d5a6 | 1662 | if (qemu_console_is_graphic(NULL)) { |
44bb61c8 ST |
1663 | if (keycode & SCANCODE_GREY) |
1664 | kbd_put_keycode(SCANCODE_EMUL0); | |
64f5a135 | 1665 | if (down) |
44bb61c8 | 1666 | kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK); |
64f5a135 | 1667 | else |
44bb61c8 | 1668 | kbd_put_keycode(keycode | SCANCODE_UP); |
64f5a135 | 1669 | } else { |
e26437c2 GH |
1670 | bool numlock = vs->modifiers_state[0x45]; |
1671 | bool control = (vs->modifiers_state[0x1d] || | |
1672 | vs->modifiers_state[0x9d]); | |
64f5a135 FB |
1673 | /* QEMU console emulation */ |
1674 | if (down) { | |
1675 | switch (keycode) { | |
1676 | case 0x2a: /* Left Shift */ | |
1677 | case 0x36: /* Right Shift */ | |
1678 | case 0x1d: /* Left CTRL */ | |
1679 | case 0x9d: /* Right CTRL */ | |
1680 | case 0x38: /* Left ALT */ | |
1681 | case 0xb8: /* Right ALT */ | |
1682 | break; | |
1683 | case 0xc8: | |
1684 | kbd_put_keysym(QEMU_KEY_UP); | |
1685 | break; | |
1686 | case 0xd0: | |
1687 | kbd_put_keysym(QEMU_KEY_DOWN); | |
1688 | break; | |
1689 | case 0xcb: | |
1690 | kbd_put_keysym(QEMU_KEY_LEFT); | |
1691 | break; | |
1692 | case 0xcd: | |
1693 | kbd_put_keysym(QEMU_KEY_RIGHT); | |
1694 | break; | |
1695 | case 0xd3: | |
1696 | kbd_put_keysym(QEMU_KEY_DELETE); | |
1697 | break; | |
1698 | case 0xc7: | |
1699 | kbd_put_keysym(QEMU_KEY_HOME); | |
1700 | break; | |
1701 | case 0xcf: | |
1702 | kbd_put_keysym(QEMU_KEY_END); | |
1703 | break; | |
1704 | case 0xc9: | |
1705 | kbd_put_keysym(QEMU_KEY_PAGEUP); | |
1706 | break; | |
1707 | case 0xd1: | |
1708 | kbd_put_keysym(QEMU_KEY_PAGEDOWN); | |
1709 | break; | |
bb0a18e1 GH |
1710 | |
1711 | case 0x47: | |
1712 | kbd_put_keysym(numlock ? '7' : QEMU_KEY_HOME); | |
1713 | break; | |
1714 | case 0x48: | |
1715 | kbd_put_keysym(numlock ? '8' : QEMU_KEY_UP); | |
1716 | break; | |
1717 | case 0x49: | |
1718 | kbd_put_keysym(numlock ? '9' : QEMU_KEY_PAGEUP); | |
1719 | break; | |
1720 | case 0x4b: | |
1721 | kbd_put_keysym(numlock ? '4' : QEMU_KEY_LEFT); | |
1722 | break; | |
1723 | case 0x4c: | |
1724 | kbd_put_keysym('5'); | |
1725 | break; | |
1726 | case 0x4d: | |
1727 | kbd_put_keysym(numlock ? '6' : QEMU_KEY_RIGHT); | |
1728 | break; | |
1729 | case 0x4f: | |
1730 | kbd_put_keysym(numlock ? '1' : QEMU_KEY_END); | |
1731 | break; | |
1732 | case 0x50: | |
1733 | kbd_put_keysym(numlock ? '2' : QEMU_KEY_DOWN); | |
1734 | break; | |
1735 | case 0x51: | |
1736 | kbd_put_keysym(numlock ? '3' : QEMU_KEY_PAGEDOWN); | |
1737 | break; | |
1738 | case 0x52: | |
1739 | kbd_put_keysym('0'); | |
1740 | break; | |
1741 | case 0x53: | |
1742 | kbd_put_keysym(numlock ? '.' : QEMU_KEY_DELETE); | |
1743 | break; | |
1744 | ||
1745 | case 0xb5: | |
1746 | kbd_put_keysym('/'); | |
1747 | break; | |
1748 | case 0x37: | |
1749 | kbd_put_keysym('*'); | |
1750 | break; | |
1751 | case 0x4a: | |
1752 | kbd_put_keysym('-'); | |
1753 | break; | |
1754 | case 0x4e: | |
1755 | kbd_put_keysym('+'); | |
1756 | break; | |
1757 | case 0x9c: | |
1758 | kbd_put_keysym('\n'); | |
1759 | break; | |
1760 | ||
64f5a135 | 1761 | default: |
e26437c2 GH |
1762 | if (control) { |
1763 | kbd_put_keysym(sym & 0x1f); | |
1764 | } else { | |
1765 | kbd_put_keysym(sym); | |
1766 | } | |
64f5a135 FB |
1767 | break; |
1768 | } | |
1769 | } | |
1770 | } | |
24236869 FB |
1771 | } |
1772 | ||
7bc9318b GH |
1773 | static void vnc_release_modifiers(VncState *vs) |
1774 | { | |
1775 | static const int keycodes[] = { | |
1776 | /* shift, control, alt keys, both left & right */ | |
1777 | 0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, | |
1778 | }; | |
1779 | int i, keycode; | |
1780 | ||
81c0d5a6 | 1781 | if (!qemu_console_is_graphic(NULL)) { |
7bc9318b GH |
1782 | return; |
1783 | } | |
1784 | for (i = 0; i < ARRAY_SIZE(keycodes); i++) { | |
1785 | keycode = keycodes[i]; | |
1786 | if (!vs->modifiers_state[keycode]) { | |
1787 | continue; | |
1788 | } | |
1789 | if (keycode & SCANCODE_GREY) { | |
1790 | kbd_put_keycode(SCANCODE_EMUL0); | |
1791 | } | |
1792 | kbd_put_keycode(keycode | SCANCODE_UP); | |
1793 | } | |
1794 | } | |
1795 | ||
bdbd7676 FB |
1796 | static void key_event(VncState *vs, int down, uint32_t sym) |
1797 | { | |
9ca313aa | 1798 | int keycode; |
4a93fe17 | 1799 | int lsym = sym; |
9ca313aa | 1800 | |
81c0d5a6 | 1801 | if (lsym >= 'A' && lsym <= 'Z' && qemu_console_is_graphic(NULL)) { |
4a93fe17 GH |
1802 | lsym = lsym - 'A' + 'a'; |
1803 | } | |
9ca313aa | 1804 | |
44bb61c8 | 1805 | keycode = keysym2scancode(vs->vd->kbd_layout, lsym & 0xFFFF) & SCANCODE_KEYMASK; |
9ca313aa AL |
1806 | do_key_event(vs, down, keycode, sym); |
1807 | } | |
1808 | ||
1809 | static void ext_key_event(VncState *vs, int down, | |
1810 | uint32_t sym, uint16_t keycode) | |
1811 | { | |
1812 | /* if the user specifies a keyboard layout, always use it */ | |
1813 | if (keyboard_layout) | |
1814 | key_event(vs, down, sym); | |
1815 | else | |
1816 | do_key_event(vs, down, keycode, sym); | |
bdbd7676 FB |
1817 | } |
1818 | ||
24236869 | 1819 | static void framebuffer_update_request(VncState *vs, int incremental, |
28a76be8 AL |
1820 | int x_position, int y_position, |
1821 | int w, int h) | |
24236869 | 1822 | { |
6ed391bf | 1823 | int i; |
d39fa6d8 GH |
1824 | const size_t width = surface_width(vs->vd->ds) / 16; |
1825 | const size_t height = surface_height(vs->vd->ds); | |
6ed391bf | 1826 | |
d39fa6d8 GH |
1827 | if (y_position > height) { |
1828 | y_position = height; | |
1829 | } | |
1830 | if (y_position + h >= height) { | |
1831 | h = height - y_position; | |
1832 | } | |
cf2d385c | 1833 | |
24236869 FB |
1834 | vs->need_update = 1; |
1835 | if (!incremental) { | |
24cf0a6e | 1836 | vs->force_update = 1; |
28a76be8 | 1837 | for (i = 0; i < h; i++) { |
6ed391bf WC |
1838 | bitmap_set(vs->dirty[y_position + i], 0, width); |
1839 | bitmap_clear(vs->dirty[y_position + i], width, | |
a0843a68 | 1840 | VNC_DIRTY_BITS - width); |
28a76be8 | 1841 | } |
24236869 FB |
1842 | } |
1843 | } | |
1844 | ||
9ca313aa AL |
1845 | static void send_ext_key_event_ack(VncState *vs) |
1846 | { | |
bd023f95 | 1847 | vnc_lock_output(vs); |
46a183da | 1848 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
9ca313aa AL |
1849 | vnc_write_u8(vs, 0); |
1850 | vnc_write_u16(vs, 1); | |
d39fa6d8 GH |
1851 | vnc_framebuffer_update(vs, 0, 0, |
1852 | surface_width(vs->vd->ds), | |
1853 | surface_height(vs->vd->ds), | |
29fa4ed9 | 1854 | VNC_ENCODING_EXT_KEY_EVENT); |
bd023f95 | 1855 | vnc_unlock_output(vs); |
9ca313aa AL |
1856 | vnc_flush(vs); |
1857 | } | |
1858 | ||
429a8ed3 | 1859 | static void send_ext_audio_ack(VncState *vs) |
1860 | { | |
bd023f95 | 1861 | vnc_lock_output(vs); |
46a183da | 1862 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
429a8ed3 | 1863 | vnc_write_u8(vs, 0); |
1864 | vnc_write_u16(vs, 1); | |
d39fa6d8 GH |
1865 | vnc_framebuffer_update(vs, 0, 0, |
1866 | surface_width(vs->vd->ds), | |
1867 | surface_height(vs->vd->ds), | |
29fa4ed9 | 1868 | VNC_ENCODING_AUDIO); |
bd023f95 | 1869 | vnc_unlock_output(vs); |
429a8ed3 | 1870 | vnc_flush(vs); |
1871 | } | |
1872 | ||
24236869 FB |
1873 | static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) |
1874 | { | |
1875 | int i; | |
29fa4ed9 | 1876 | unsigned int enc = 0; |
24236869 | 1877 | |
29fa4ed9 | 1878 | vs->features = 0; |
a9f20d31 | 1879 | vs->vnc_encoding = 0; |
d1af0e05 CC |
1880 | vs->tight.compression = 9; |
1881 | vs->tight.quality = -1; /* Lossless by default */ | |
564c337e | 1882 | vs->absolute = -1; |
24236869 | 1883 | |
8a0f0d0c CC |
1884 | /* |
1885 | * Start from the end because the encodings are sent in order of preference. | |
e5bed759 | 1886 | * This way the preferred encoding (first encoding defined in the array) |
8a0f0d0c CC |
1887 | * will be set at the end of the loop. |
1888 | */ | |
24236869 | 1889 | for (i = n_encodings - 1; i >= 0; i--) { |
29fa4ed9 AL |
1890 | enc = encodings[i]; |
1891 | switch (enc) { | |
1892 | case VNC_ENCODING_RAW: | |
a9f20d31 | 1893 | vs->vnc_encoding = enc; |
29fa4ed9 AL |
1894 | break; |
1895 | case VNC_ENCODING_COPYRECT: | |
753b4053 | 1896 | vs->features |= VNC_FEATURE_COPYRECT_MASK; |
29fa4ed9 AL |
1897 | break; |
1898 | case VNC_ENCODING_HEXTILE: | |
1899 | vs->features |= VNC_FEATURE_HEXTILE_MASK; | |
a9f20d31 | 1900 | vs->vnc_encoding = enc; |
29fa4ed9 | 1901 | break; |
380282b0 CC |
1902 | case VNC_ENCODING_TIGHT: |
1903 | vs->features |= VNC_FEATURE_TIGHT_MASK; | |
1904 | vs->vnc_encoding = enc; | |
1905 | break; | |
fe3e7f2d | 1906 | #ifdef CONFIG_VNC_PNG |
efe556ad CC |
1907 | case VNC_ENCODING_TIGHT_PNG: |
1908 | vs->features |= VNC_FEATURE_TIGHT_PNG_MASK; | |
1909 | vs->vnc_encoding = enc; | |
1910 | break; | |
fe3e7f2d | 1911 | #endif |
059cef40 AL |
1912 | case VNC_ENCODING_ZLIB: |
1913 | vs->features |= VNC_FEATURE_ZLIB_MASK; | |
a9f20d31 | 1914 | vs->vnc_encoding = enc; |
059cef40 | 1915 | break; |
148954fa CC |
1916 | case VNC_ENCODING_ZRLE: |
1917 | vs->features |= VNC_FEATURE_ZRLE_MASK; | |
1918 | vs->vnc_encoding = enc; | |
1919 | break; | |
1920 | case VNC_ENCODING_ZYWRLE: | |
1921 | vs->features |= VNC_FEATURE_ZYWRLE_MASK; | |
1922 | vs->vnc_encoding = enc; | |
1923 | break; | |
29fa4ed9 AL |
1924 | case VNC_ENCODING_DESKTOPRESIZE: |
1925 | vs->features |= VNC_FEATURE_RESIZE_MASK; | |
1926 | break; | |
1927 | case VNC_ENCODING_POINTER_TYPE_CHANGE: | |
1928 | vs->features |= VNC_FEATURE_POINTER_TYPE_CHANGE_MASK; | |
1929 | break; | |
d467b679 GH |
1930 | case VNC_ENCODING_RICH_CURSOR: |
1931 | vs->features |= VNC_FEATURE_RICH_CURSOR_MASK; | |
1932 | break; | |
29fa4ed9 | 1933 | case VNC_ENCODING_EXT_KEY_EVENT: |
9ca313aa AL |
1934 | send_ext_key_event_ack(vs); |
1935 | break; | |
29fa4ed9 | 1936 | case VNC_ENCODING_AUDIO: |
429a8ed3 | 1937 | send_ext_audio_ack(vs); |
1938 | break; | |
29fa4ed9 AL |
1939 | case VNC_ENCODING_WMVi: |
1940 | vs->features |= VNC_FEATURE_WMVI_MASK; | |
ca4cca4d | 1941 | break; |
ab99e5c1 LL |
1942 | case VNC_ENCODING_LED_STATE: |
1943 | vs->features |= VNC_FEATURE_LED_STATE_MASK; | |
1944 | break; | |
fb437313 | 1945 | case VNC_ENCODING_COMPRESSLEVEL0 ... VNC_ENCODING_COMPRESSLEVEL0 + 9: |
d1af0e05 | 1946 | vs->tight.compression = (enc & 0x0F); |
fb437313 AL |
1947 | break; |
1948 | case VNC_ENCODING_QUALITYLEVEL0 ... VNC_ENCODING_QUALITYLEVEL0 + 9: | |
b31f519e CC |
1949 | if (vs->vd->lossy) { |
1950 | vs->tight.quality = (enc & 0x0F); | |
1951 | } | |
fb437313 | 1952 | break; |
29fa4ed9 AL |
1953 | default: |
1954 | VNC_DEBUG("Unknown encoding: %d (0x%.8x): %d\n", i, enc, enc); | |
1955 | break; | |
1956 | } | |
24236869 | 1957 | } |
6356e472 | 1958 | vnc_desktop_resize(vs); |
9e8dd451 | 1959 | check_pointer_type_change(&vs->mouse_mode_notifier, NULL); |
ab99e5c1 | 1960 | vnc_led_state_change(vs); |
24236869 FB |
1961 | } |
1962 | ||
6cec5487 AL |
1963 | static void set_pixel_conversion(VncState *vs) |
1964 | { | |
9f64916d GH |
1965 | pixman_format_code_t fmt = qemu_pixman_get_format(&vs->client_pf); |
1966 | ||
1967 | if (fmt == VNC_SERVER_FB_FORMAT) { | |
6cec5487 | 1968 | vs->write_pixels = vnc_write_pixels_copy; |
70a4568f | 1969 | vnc_hextile_set_pixel_conversion(vs, 0); |
6cec5487 AL |
1970 | } else { |
1971 | vs->write_pixels = vnc_write_pixels_generic; | |
70a4568f | 1972 | vnc_hextile_set_pixel_conversion(vs, 1); |
6cec5487 AL |
1973 | } |
1974 | } | |
1975 | ||
24236869 | 1976 | static void set_pixel_format(VncState *vs, |
28a76be8 AL |
1977 | int bits_per_pixel, int depth, |
1978 | int big_endian_flag, int true_color_flag, | |
1979 | int red_max, int green_max, int blue_max, | |
1980 | int red_shift, int green_shift, int blue_shift) | |
24236869 | 1981 | { |
3512779a | 1982 | if (!true_color_flag) { |
28a76be8 | 1983 | vnc_client_error(vs); |
3512779a FB |
1984 | return; |
1985 | } | |
24236869 | 1986 | |
9f64916d GH |
1987 | vs->client_pf.rmax = red_max; |
1988 | vs->client_pf.rbits = hweight_long(red_max); | |
1989 | vs->client_pf.rshift = red_shift; | |
1990 | vs->client_pf.rmask = red_max << red_shift; | |
1991 | vs->client_pf.gmax = green_max; | |
1992 | vs->client_pf.gbits = hweight_long(green_max); | |
1993 | vs->client_pf.gshift = green_shift; | |
1994 | vs->client_pf.gmask = green_max << green_shift; | |
1995 | vs->client_pf.bmax = blue_max; | |
1996 | vs->client_pf.bbits = hweight_long(blue_max); | |
1997 | vs->client_pf.bshift = blue_shift; | |
1998 | vs->client_pf.bmask = blue_max << blue_shift; | |
1999 | vs->client_pf.bits_per_pixel = bits_per_pixel; | |
2000 | vs->client_pf.bytes_per_pixel = bits_per_pixel / 8; | |
2001 | vs->client_pf.depth = bits_per_pixel == 32 ? 24 : bits_per_pixel; | |
2002 | vs->client_be = big_endian_flag; | |
6cec5487 AL |
2003 | |
2004 | set_pixel_conversion(vs); | |
24236869 | 2005 | |
1dbfa005 GH |
2006 | graphic_hw_invalidate(NULL); |
2007 | graphic_hw_update(NULL); | |
24236869 FB |
2008 | } |
2009 | ||
ca4cca4d AL |
2010 | static void pixel_format_message (VncState *vs) { |
2011 | char pad[3] = { 0, 0, 0 }; | |
2012 | ||
9f64916d GH |
2013 | vs->client_pf = qemu_default_pixelformat(32); |
2014 | ||
2015 | vnc_write_u8(vs, vs->client_pf.bits_per_pixel); /* bits-per-pixel */ | |
2016 | vnc_write_u8(vs, vs->client_pf.depth); /* depth */ | |
ca4cca4d | 2017 | |
e2542fe2 | 2018 | #ifdef HOST_WORDS_BIGENDIAN |
ca4cca4d AL |
2019 | vnc_write_u8(vs, 1); /* big-endian-flag */ |
2020 | #else | |
2021 | vnc_write_u8(vs, 0); /* big-endian-flag */ | |
2022 | #endif | |
2023 | vnc_write_u8(vs, 1); /* true-color-flag */ | |
9f64916d GH |
2024 | vnc_write_u16(vs, vs->client_pf.rmax); /* red-max */ |
2025 | vnc_write_u16(vs, vs->client_pf.gmax); /* green-max */ | |
2026 | vnc_write_u16(vs, vs->client_pf.bmax); /* blue-max */ | |
2027 | vnc_write_u8(vs, vs->client_pf.rshift); /* red-shift */ | |
2028 | vnc_write_u8(vs, vs->client_pf.gshift); /* green-shift */ | |
2029 | vnc_write_u8(vs, vs->client_pf.bshift); /* blue-shift */ | |
2030 | vnc_write(vs, pad, 3); /* padding */ | |
70a4568f CC |
2031 | |
2032 | vnc_hextile_set_pixel_conversion(vs, 0); | |
ca4cca4d | 2033 | vs->write_pixels = vnc_write_pixels_copy; |
ca4cca4d AL |
2034 | } |
2035 | ||
753b4053 | 2036 | static void vnc_colordepth(VncState *vs) |
7eac3a87 | 2037 | { |
753b4053 | 2038 | if (vnc_has_feature(vs, VNC_FEATURE_WMVI)) { |
ca4cca4d | 2039 | /* Sending a WMVi message to notify the client*/ |
bd023f95 | 2040 | vnc_lock_output(vs); |
46a183da | 2041 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
ca4cca4d AL |
2042 | vnc_write_u8(vs, 0); |
2043 | vnc_write_u16(vs, 1); /* number of rects */ | |
d39fa6d8 GH |
2044 | vnc_framebuffer_update(vs, 0, 0, |
2045 | surface_width(vs->vd->ds), | |
2046 | surface_height(vs->vd->ds), | |
2047 | VNC_ENCODING_WMVi); | |
ca4cca4d | 2048 | pixel_format_message(vs); |
bd023f95 | 2049 | vnc_unlock_output(vs); |
ca4cca4d | 2050 | vnc_flush(vs); |
7eac3a87 | 2051 | } else { |
6cec5487 | 2052 | set_pixel_conversion(vs); |
7eac3a87 AL |
2053 | } |
2054 | } | |
2055 | ||
60fe76f3 | 2056 | static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len) |
24236869 FB |
2057 | { |
2058 | int i; | |
2059 | uint16_t limit; | |
2430ffe4 SS |
2060 | VncDisplay *vd = vs->vd; |
2061 | ||
2062 | if (data[0] > 3) { | |
0f7b2864 | 2063 | update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_BASE); |
2430ffe4 | 2064 | } |
24236869 FB |
2065 | |
2066 | switch (data[0]) { | |
46a183da | 2067 | case VNC_MSG_CLIENT_SET_PIXEL_FORMAT: |
28a76be8 AL |
2068 | if (len == 1) |
2069 | return 20; | |
2070 | ||
2071 | set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5), | |
2072 | read_u8(data, 6), read_u8(data, 7), | |
2073 | read_u16(data, 8), read_u16(data, 10), | |
2074 | read_u16(data, 12), read_u8(data, 14), | |
2075 | read_u8(data, 15), read_u8(data, 16)); | |
2076 | break; | |
46a183da | 2077 | case VNC_MSG_CLIENT_SET_ENCODINGS: |
28a76be8 AL |
2078 | if (len == 1) |
2079 | return 4; | |
24236869 | 2080 | |
28a76be8 | 2081 | if (len == 4) { |
69dd5c9f AL |
2082 | limit = read_u16(data, 2); |
2083 | if (limit > 0) | |
2084 | return 4 + (limit * 4); | |
2085 | } else | |
2086 | limit = read_u16(data, 2); | |
24236869 | 2087 | |
28a76be8 AL |
2088 | for (i = 0; i < limit; i++) { |
2089 | int32_t val = read_s32(data, 4 + (i * 4)); | |
2090 | memcpy(data + 4 + (i * 4), &val, sizeof(val)); | |
2091 | } | |
24236869 | 2092 | |
28a76be8 AL |
2093 | set_encodings(vs, (int32_t *)(data + 4), limit); |
2094 | break; | |
46a183da | 2095 | case VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST: |
28a76be8 AL |
2096 | if (len == 1) |
2097 | return 10; | |
24236869 | 2098 | |
28a76be8 AL |
2099 | framebuffer_update_request(vs, |
2100 | read_u8(data, 1), read_u16(data, 2), read_u16(data, 4), | |
2101 | read_u16(data, 6), read_u16(data, 8)); | |
2102 | break; | |
46a183da | 2103 | case VNC_MSG_CLIENT_KEY_EVENT: |
28a76be8 AL |
2104 | if (len == 1) |
2105 | return 8; | |
24236869 | 2106 | |
28a76be8 AL |
2107 | key_event(vs, read_u8(data, 1), read_u32(data, 4)); |
2108 | break; | |
46a183da | 2109 | case VNC_MSG_CLIENT_POINTER_EVENT: |
28a76be8 AL |
2110 | if (len == 1) |
2111 | return 6; | |
24236869 | 2112 | |
28a76be8 AL |
2113 | pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 4)); |
2114 | break; | |
46a183da | 2115 | case VNC_MSG_CLIENT_CUT_TEXT: |
28a76be8 AL |
2116 | if (len == 1) |
2117 | return 8; | |
24236869 | 2118 | |
28a76be8 | 2119 | if (len == 8) { |
baa7666c TS |
2120 | uint32_t dlen = read_u32(data, 4); |
2121 | if (dlen > 0) | |
2122 | return 8 + dlen; | |
2123 | } | |
24236869 | 2124 | |
28a76be8 AL |
2125 | client_cut_text(vs, read_u32(data, 4), data + 8); |
2126 | break; | |
46a183da | 2127 | case VNC_MSG_CLIENT_QEMU: |
9ca313aa AL |
2128 | if (len == 1) |
2129 | return 2; | |
2130 | ||
2131 | switch (read_u8(data, 1)) { | |
46a183da | 2132 | case VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT: |
9ca313aa AL |
2133 | if (len == 2) |
2134 | return 12; | |
2135 | ||
2136 | ext_key_event(vs, read_u16(data, 2), | |
2137 | read_u32(data, 4), read_u32(data, 8)); | |
2138 | break; | |
46a183da | 2139 | case VNC_MSG_CLIENT_QEMU_AUDIO: |
429a8ed3 | 2140 | if (len == 2) |
2141 | return 4; | |
2142 | ||
2143 | switch (read_u16 (data, 2)) { | |
46a183da | 2144 | case VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE: |
429a8ed3 | 2145 | audio_add(vs); |
2146 | break; | |
46a183da | 2147 | case VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE: |
429a8ed3 | 2148 | audio_del(vs); |
2149 | break; | |
46a183da | 2150 | case VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT: |
429a8ed3 | 2151 | if (len == 4) |
2152 | return 10; | |
2153 | switch (read_u8(data, 4)) { | |
2154 | case 0: vs->as.fmt = AUD_FMT_U8; break; | |
2155 | case 1: vs->as.fmt = AUD_FMT_S8; break; | |
2156 | case 2: vs->as.fmt = AUD_FMT_U16; break; | |
2157 | case 3: vs->as.fmt = AUD_FMT_S16; break; | |
2158 | case 4: vs->as.fmt = AUD_FMT_U32; break; | |
2159 | case 5: vs->as.fmt = AUD_FMT_S32; break; | |
2160 | default: | |
2161 | printf("Invalid audio format %d\n", read_u8(data, 4)); | |
2162 | vnc_client_error(vs); | |
2163 | break; | |
2164 | } | |
2165 | vs->as.nchannels = read_u8(data, 5); | |
2166 | if (vs->as.nchannels != 1 && vs->as.nchannels != 2) { | |
2167 | printf("Invalid audio channel coount %d\n", | |
2168 | read_u8(data, 5)); | |
2169 | vnc_client_error(vs); | |
2170 | break; | |
2171 | } | |
2172 | vs->as.freq = read_u32(data, 6); | |
2173 | break; | |
2174 | default: | |
2175 | printf ("Invalid audio message %d\n", read_u8(data, 4)); | |
2176 | vnc_client_error(vs); | |
2177 | break; | |
2178 | } | |
2179 | break; | |
2180 | ||
9ca313aa AL |
2181 | default: |
2182 | printf("Msg: %d\n", read_u16(data, 0)); | |
2183 | vnc_client_error(vs); | |
2184 | break; | |
2185 | } | |
2186 | break; | |
24236869 | 2187 | default: |
28a76be8 AL |
2188 | printf("Msg: %d\n", data[0]); |
2189 | vnc_client_error(vs); | |
2190 | break; | |
24236869 | 2191 | } |
5fafdf24 | 2192 | |
24236869 FB |
2193 | vnc_read_when(vs, protocol_client_msg, 1); |
2194 | return 0; | |
2195 | } | |
2196 | ||
60fe76f3 | 2197 | static int protocol_client_init(VncState *vs, uint8_t *data, size_t len) |
24236869 | 2198 | { |
c35734b2 | 2199 | char buf[1024]; |
8cf36489 | 2200 | VncShareMode mode; |
c35734b2 | 2201 | int size; |
24236869 | 2202 | |
8cf36489 GH |
2203 | mode = data[0] ? VNC_SHARE_MODE_SHARED : VNC_SHARE_MODE_EXCLUSIVE; |
2204 | switch (vs->vd->share_policy) { | |
2205 | case VNC_SHARE_POLICY_IGNORE: | |
2206 | /* | |
2207 | * Ignore the shared flag. Nothing to do here. | |
2208 | * | |
2209 | * Doesn't conform to the rfb spec but is traditional qemu | |
2210 | * behavior, thus left here as option for compatibility | |
2211 | * reasons. | |
2212 | */ | |
2213 | break; | |
2214 | case VNC_SHARE_POLICY_ALLOW_EXCLUSIVE: | |
2215 | /* | |
2216 | * Policy: Allow clients ask for exclusive access. | |
2217 | * | |
2218 | * Implementation: When a client asks for exclusive access, | |
2219 | * disconnect all others. Shared connects are allowed as long | |
2220 | * as no exclusive connection exists. | |
2221 | * | |
2222 | * This is how the rfb spec suggests to handle the shared flag. | |
2223 | */ | |
2224 | if (mode == VNC_SHARE_MODE_EXCLUSIVE) { | |
2225 | VncState *client; | |
2226 | QTAILQ_FOREACH(client, &vs->vd->clients, next) { | |
2227 | if (vs == client) { | |
2228 | continue; | |
2229 | } | |
2230 | if (client->share_mode != VNC_SHARE_MODE_EXCLUSIVE && | |
2231 | client->share_mode != VNC_SHARE_MODE_SHARED) { | |
2232 | continue; | |
2233 | } | |
2234 | vnc_disconnect_start(client); | |
2235 | } | |
2236 | } | |
2237 | if (mode == VNC_SHARE_MODE_SHARED) { | |
2238 | if (vs->vd->num_exclusive > 0) { | |
2239 | vnc_disconnect_start(vs); | |
2240 | return 0; | |
2241 | } | |
2242 | } | |
2243 | break; | |
2244 | case VNC_SHARE_POLICY_FORCE_SHARED: | |
2245 | /* | |
2246 | * Policy: Shared connects only. | |
2247 | * Implementation: Disallow clients asking for exclusive access. | |
2248 | * | |
2249 | * Useful for shared desktop sessions where you don't want | |
2250 | * someone forgetting to say -shared when running the vnc | |
2251 | * client disconnect everybody else. | |
2252 | */ | |
2253 | if (mode == VNC_SHARE_MODE_EXCLUSIVE) { | |
2254 | vnc_disconnect_start(vs); | |
2255 | return 0; | |
2256 | } | |
2257 | break; | |
2258 | } | |
2259 | vnc_set_share_mode(vs, mode); | |
2260 | ||
d39fa6d8 GH |
2261 | vs->client_width = surface_width(vs->vd->ds); |
2262 | vs->client_height = surface_height(vs->vd->ds); | |
5862d195 GH |
2263 | vnc_write_u16(vs, vs->client_width); |
2264 | vnc_write_u16(vs, vs->client_height); | |
24236869 | 2265 | |
ca4cca4d | 2266 | pixel_format_message(vs); |
24236869 | 2267 | |
c35734b2 TS |
2268 | if (qemu_name) |
2269 | size = snprintf(buf, sizeof(buf), "QEMU (%s)", qemu_name); | |
2270 | else | |
2271 | size = snprintf(buf, sizeof(buf), "QEMU"); | |
2272 | ||
2273 | vnc_write_u32(vs, size); | |
2274 | vnc_write(vs, buf, size); | |
24236869 FB |
2275 | vnc_flush(vs); |
2276 | ||
4a80dba3 | 2277 | vnc_client_cache_auth(vs); |
0d2ed46a | 2278 | vnc_qmp_event(vs, QEVENT_VNC_INITIALIZED); |
4a80dba3 | 2279 | |
24236869 FB |
2280 | vnc_read_when(vs, protocol_client_msg, 1); |
2281 | ||
2282 | return 0; | |
2283 | } | |
2284 | ||
5fb6c7a8 AL |
2285 | void start_client_init(VncState *vs) |
2286 | { | |
2287 | vnc_read_when(vs, protocol_client_init, 1); | |
2288 | } | |
2289 | ||
70848515 TS |
2290 | static void make_challenge(VncState *vs) |
2291 | { | |
2292 | int i; | |
2293 | ||
2294 | srand(time(NULL)+getpid()+getpid()*987654+rand()); | |
2295 | ||
2296 | for (i = 0 ; i < sizeof(vs->challenge) ; i++) | |
2297 | vs->challenge[i] = (int) (256.0*rand()/(RAND_MAX+1.0)); | |
2298 | } | |
2299 | ||
60fe76f3 | 2300 | static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len) |
70848515 | 2301 | { |
60fe76f3 | 2302 | unsigned char response[VNC_AUTH_CHALLENGE_SIZE]; |
70848515 | 2303 | int i, j, pwlen; |
60fe76f3 | 2304 | unsigned char key[8]; |
3c9405a0 | 2305 | time_t now = time(NULL); |
70848515 | 2306 | |
1cd20f8b | 2307 | if (!vs->vd->password) { |
28a76be8 | 2308 | VNC_DEBUG("No password configured on server"); |
6bffdf0f | 2309 | goto reject; |
70848515 | 2310 | } |
3c9405a0 GH |
2311 | if (vs->vd->expires < now) { |
2312 | VNC_DEBUG("Password is expired"); | |
2313 | goto reject; | |
2314 | } | |
70848515 TS |
2315 | |
2316 | memcpy(response, vs->challenge, VNC_AUTH_CHALLENGE_SIZE); | |
2317 | ||
2318 | /* Calculate the expected challenge response */ | |
753b4053 | 2319 | pwlen = strlen(vs->vd->password); |
70848515 | 2320 | for (i=0; i<sizeof(key); i++) |
753b4053 | 2321 | key[i] = i<pwlen ? vs->vd->password[i] : 0; |
70848515 TS |
2322 | deskey(key, EN0); |
2323 | for (j = 0; j < VNC_AUTH_CHALLENGE_SIZE; j += 8) | |
2324 | des(response+j, response+j); | |
2325 | ||
2326 | /* Compare expected vs actual challenge response */ | |
2327 | if (memcmp(response, data, VNC_AUTH_CHALLENGE_SIZE) != 0) { | |
e5bed759 | 2328 | VNC_DEBUG("Client challenge response did not match\n"); |
6bffdf0f | 2329 | goto reject; |
70848515 | 2330 | } else { |
28a76be8 AL |
2331 | VNC_DEBUG("Accepting VNC challenge response\n"); |
2332 | vnc_write_u32(vs, 0); /* Accept auth */ | |
2333 | vnc_flush(vs); | |
70848515 | 2334 | |
5fb6c7a8 | 2335 | start_client_init(vs); |
70848515 TS |
2336 | } |
2337 | return 0; | |
6bffdf0f GH |
2338 | |
2339 | reject: | |
2340 | vnc_write_u32(vs, 1); /* Reject auth */ | |
2341 | if (vs->minor >= 8) { | |
2342 | static const char err[] = "Authentication failed"; | |
2343 | vnc_write_u32(vs, sizeof(err)); | |
2344 | vnc_write(vs, err, sizeof(err)); | |
2345 | } | |
2346 | vnc_flush(vs); | |
2347 | vnc_client_error(vs); | |
2348 | return 0; | |
70848515 TS |
2349 | } |
2350 | ||
5fb6c7a8 | 2351 | void start_auth_vnc(VncState *vs) |
70848515 TS |
2352 | { |
2353 | make_challenge(vs); | |
2354 | /* Send client a 'random' challenge */ | |
2355 | vnc_write(vs, vs->challenge, sizeof(vs->challenge)); | |
2356 | vnc_flush(vs); | |
2357 | ||
2358 | vnc_read_when(vs, protocol_client_auth_vnc, sizeof(vs->challenge)); | |
469b15c6 TS |
2359 | } |
2360 | ||
2361 | ||
60fe76f3 | 2362 | static int protocol_client_auth(VncState *vs, uint8_t *data, size_t len) |
70848515 TS |
2363 | { |
2364 | /* We only advertise 1 auth scheme at a time, so client | |
2365 | * must pick the one we sent. Verify this */ | |
7e7e2ebc | 2366 | if (data[0] != vs->auth) { /* Reject auth */ |
1263b7d6 | 2367 | VNC_DEBUG("Reject auth %d because it didn't match advertized\n", (int)data[0]); |
70848515 TS |
2368 | vnc_write_u32(vs, 1); |
2369 | if (vs->minor >= 8) { | |
2370 | static const char err[] = "Authentication failed"; | |
2371 | vnc_write_u32(vs, sizeof(err)); | |
2372 | vnc_write(vs, err, sizeof(err)); | |
2373 | } | |
2374 | vnc_client_error(vs); | |
2375 | } else { /* Accept requested auth */ | |
2376 | VNC_DEBUG("Client requested auth %d\n", (int)data[0]); | |
7e7e2ebc | 2377 | switch (vs->auth) { |
70848515 TS |
2378 | case VNC_AUTH_NONE: |
2379 | VNC_DEBUG("Accept auth none\n"); | |
a26c97ad AZ |
2380 | if (vs->minor >= 8) { |
2381 | vnc_write_u32(vs, 0); /* Accept auth completion */ | |
2382 | vnc_flush(vs); | |
2383 | } | |
5fb6c7a8 | 2384 | start_client_init(vs); |
70848515 TS |
2385 | break; |
2386 | ||
2387 | case VNC_AUTH_VNC: | |
2388 | VNC_DEBUG("Start VNC auth\n"); | |
5fb6c7a8 AL |
2389 | start_auth_vnc(vs); |
2390 | break; | |
70848515 | 2391 | |
eb38c52c | 2392 | #ifdef CONFIG_VNC_TLS |
8d5d2d4c | 2393 | case VNC_AUTH_VENCRYPT: |
3a93113a | 2394 | VNC_DEBUG("Accept VeNCrypt auth\n"); |
5fb6c7a8 AL |
2395 | start_auth_vencrypt(vs); |
2396 | break; | |
8d5d2d4c TS |
2397 | #endif /* CONFIG_VNC_TLS */ |
2398 | ||
2f9606b3 AL |
2399 | #ifdef CONFIG_VNC_SASL |
2400 | case VNC_AUTH_SASL: | |
2401 | VNC_DEBUG("Accept SASL auth\n"); | |
2402 | start_auth_sasl(vs); | |
2403 | break; | |
2404 | #endif /* CONFIG_VNC_SASL */ | |
2405 | ||
70848515 | 2406 | default: /* Should not be possible, but just in case */ |
7e7e2ebc | 2407 | VNC_DEBUG("Reject auth %d server code bug\n", vs->auth); |
70848515 TS |
2408 | vnc_write_u8(vs, 1); |
2409 | if (vs->minor >= 8) { | |
2410 | static const char err[] = "Authentication failed"; | |
2411 | vnc_write_u32(vs, sizeof(err)); | |
2412 | vnc_write(vs, err, sizeof(err)); | |
2413 | } | |
2414 | vnc_client_error(vs); | |
2415 | } | |
2416 | } | |
2417 | return 0; | |
2418 | } | |
2419 | ||
60fe76f3 | 2420 | static int protocol_version(VncState *vs, uint8_t *version, size_t len) |
24236869 FB |
2421 | { |
2422 | char local[13]; | |
24236869 FB |
2423 | |
2424 | memcpy(local, version, 12); | |
2425 | local[12] = 0; | |
2426 | ||
70848515 | 2427 | if (sscanf(local, "RFB %03d.%03d\n", &vs->major, &vs->minor) != 2) { |
28a76be8 AL |
2428 | VNC_DEBUG("Malformed protocol version %s\n", local); |
2429 | vnc_client_error(vs); | |
2430 | return 0; | |
24236869 | 2431 | } |
70848515 TS |
2432 | VNC_DEBUG("Client request protocol version %d.%d\n", vs->major, vs->minor); |
2433 | if (vs->major != 3 || | |
28a76be8 AL |
2434 | (vs->minor != 3 && |
2435 | vs->minor != 4 && | |
2436 | vs->minor != 5 && | |
2437 | vs->minor != 7 && | |
2438 | vs->minor != 8)) { | |
2439 | VNC_DEBUG("Unsupported client version\n"); | |
2440 | vnc_write_u32(vs, VNC_AUTH_INVALID); | |
2441 | vnc_flush(vs); | |
2442 | vnc_client_error(vs); | |
2443 | return 0; | |
70848515 | 2444 | } |
b0566f4f | 2445 | /* Some broken clients report v3.4 or v3.5, which spec requires to be treated |
70848515 TS |
2446 | * as equivalent to v3.3 by servers |
2447 | */ | |
b0566f4f | 2448 | if (vs->minor == 4 || vs->minor == 5) |
28a76be8 | 2449 | vs->minor = 3; |
70848515 TS |
2450 | |
2451 | if (vs->minor == 3) { | |
7e7e2ebc | 2452 | if (vs->auth == VNC_AUTH_NONE) { |
70848515 | 2453 | VNC_DEBUG("Tell client auth none\n"); |
7e7e2ebc | 2454 | vnc_write_u32(vs, vs->auth); |
70848515 | 2455 | vnc_flush(vs); |
28a76be8 | 2456 | start_client_init(vs); |
7e7e2ebc | 2457 | } else if (vs->auth == VNC_AUTH_VNC) { |
70848515 | 2458 | VNC_DEBUG("Tell client VNC auth\n"); |
7e7e2ebc | 2459 | vnc_write_u32(vs, vs->auth); |
70848515 TS |
2460 | vnc_flush(vs); |
2461 | start_auth_vnc(vs); | |
2462 | } else { | |
7e7e2ebc | 2463 | VNC_DEBUG("Unsupported auth %d for protocol 3.3\n", vs->auth); |
70848515 TS |
2464 | vnc_write_u32(vs, VNC_AUTH_INVALID); |
2465 | vnc_flush(vs); | |
2466 | vnc_client_error(vs); | |
2467 | } | |
2468 | } else { | |
7e7e2ebc | 2469 | VNC_DEBUG("Telling client we support auth %d\n", vs->auth); |
28a76be8 | 2470 | vnc_write_u8(vs, 1); /* num auth */ |
7e7e2ebc | 2471 | vnc_write_u8(vs, vs->auth); |
28a76be8 AL |
2472 | vnc_read_when(vs, protocol_client_auth, 1); |
2473 | vnc_flush(vs); | |
70848515 | 2474 | } |
24236869 FB |
2475 | |
2476 | return 0; | |
2477 | } | |
2478 | ||
999342a0 CC |
2479 | static VncRectStat *vnc_stat_rect(VncDisplay *vd, int x, int y) |
2480 | { | |
2481 | struct VncSurface *vs = &vd->guest; | |
2482 | ||
2483 | return &vs->stats[y / VNC_STAT_RECT][x / VNC_STAT_RECT]; | |
2484 | } | |
2485 | ||
7d964c9d CC |
2486 | void vnc_sent_lossy_rect(VncState *vs, int x, int y, int w, int h) |
2487 | { | |
2488 | int i, j; | |
2489 | ||
2490 | w = (x + w) / VNC_STAT_RECT; | |
2491 | h = (y + h) / VNC_STAT_RECT; | |
2492 | x /= VNC_STAT_RECT; | |
2493 | y /= VNC_STAT_RECT; | |
2494 | ||
207f328a CC |
2495 | for (j = y; j <= h; j++) { |
2496 | for (i = x; i <= w; i++) { | |
7d964c9d CC |
2497 | vs->lossy_rect[j][i] = 1; |
2498 | } | |
2499 | } | |
2500 | } | |
2501 | ||
2502 | static int vnc_refresh_lossy_rect(VncDisplay *vd, int x, int y) | |
2503 | { | |
2504 | VncState *vs; | |
2505 | int sty = y / VNC_STAT_RECT; | |
2506 | int stx = x / VNC_STAT_RECT; | |
2507 | int has_dirty = 0; | |
2508 | ||
2509 | y = y / VNC_STAT_RECT * VNC_STAT_RECT; | |
2510 | x = x / VNC_STAT_RECT * VNC_STAT_RECT; | |
2511 | ||
2512 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
bc2429b9 | 2513 | int j; |
7d964c9d CC |
2514 | |
2515 | /* kernel send buffers are full -> refresh later */ | |
2516 | if (vs->output.offset) { | |
2517 | continue; | |
2518 | } | |
2519 | ||
2520 | if (!vs->lossy_rect[sty][stx]) { | |
2521 | continue; | |
2522 | } | |
207f328a | 2523 | |
7d964c9d CC |
2524 | vs->lossy_rect[sty][stx] = 0; |
2525 | for (j = 0; j < VNC_STAT_RECT; ++j) { | |
bc2429b9 | 2526 | bitmap_set(vs->dirty[y + j], x / 16, VNC_STAT_RECT / 16); |
7d964c9d CC |
2527 | } |
2528 | has_dirty++; | |
2529 | } | |
207f328a | 2530 | |
7d964c9d CC |
2531 | return has_dirty; |
2532 | } | |
2533 | ||
2534 | static int vnc_update_stats(VncDisplay *vd, struct timeval * tv) | |
999342a0 | 2535 | { |
9f64916d GH |
2536 | int width = pixman_image_get_width(vd->guest.fb); |
2537 | int height = pixman_image_get_height(vd->guest.fb); | |
999342a0 CC |
2538 | int x, y; |
2539 | struct timeval res; | |
7d964c9d | 2540 | int has_dirty = 0; |
999342a0 | 2541 | |
9f64916d GH |
2542 | for (y = 0; y < height; y += VNC_STAT_RECT) { |
2543 | for (x = 0; x < width; x += VNC_STAT_RECT) { | |
999342a0 CC |
2544 | VncRectStat *rect = vnc_stat_rect(vd, x, y); |
2545 | ||
2546 | rect->updated = false; | |
2547 | } | |
2548 | } | |
2549 | ||
ad620c29 | 2550 | qemu_timersub(tv, &VNC_REFRESH_STATS, &res); |
999342a0 CC |
2551 | |
2552 | if (timercmp(&vd->guest.last_freq_check, &res, >)) { | |
7d964c9d | 2553 | return has_dirty; |
999342a0 CC |
2554 | } |
2555 | vd->guest.last_freq_check = *tv; | |
2556 | ||
9f64916d GH |
2557 | for (y = 0; y < height; y += VNC_STAT_RECT) { |
2558 | for (x = 0; x < width; x += VNC_STAT_RECT) { | |
999342a0 CC |
2559 | VncRectStat *rect= vnc_stat_rect(vd, x, y); |
2560 | int count = ARRAY_SIZE(rect->times); | |
2561 | struct timeval min, max; | |
2562 | ||
2563 | if (!timerisset(&rect->times[count - 1])) { | |
2564 | continue ; | |
2565 | } | |
2566 | ||
2567 | max = rect->times[(rect->idx + count - 1) % count]; | |
ad620c29 | 2568 | qemu_timersub(tv, &max, &res); |
999342a0 CC |
2569 | |
2570 | if (timercmp(&res, &VNC_REFRESH_LOSSY, >)) { | |
2571 | rect->freq = 0; | |
7d964c9d | 2572 | has_dirty += vnc_refresh_lossy_rect(vd, x, y); |
999342a0 CC |
2573 | memset(rect->times, 0, sizeof (rect->times)); |
2574 | continue ; | |
2575 | } | |
2576 | ||
2577 | min = rect->times[rect->idx]; | |
2578 | max = rect->times[(rect->idx + count - 1) % count]; | |
ad620c29 | 2579 | qemu_timersub(&max, &min, &res); |
999342a0 CC |
2580 | |
2581 | rect->freq = res.tv_sec + res.tv_usec / 1000000.; | |
2582 | rect->freq /= count; | |
2583 | rect->freq = 1. / rect->freq; | |
2584 | } | |
2585 | } | |
7d964c9d | 2586 | return has_dirty; |
999342a0 CC |
2587 | } |
2588 | ||
2589 | double vnc_update_freq(VncState *vs, int x, int y, int w, int h) | |
2590 | { | |
2591 | int i, j; | |
2592 | double total = 0; | |
2593 | int num = 0; | |
2594 | ||
2595 | x = (x / VNC_STAT_RECT) * VNC_STAT_RECT; | |
2596 | y = (y / VNC_STAT_RECT) * VNC_STAT_RECT; | |
2597 | ||
2598 | for (j = y; j <= y + h; j += VNC_STAT_RECT) { | |
2599 | for (i = x; i <= x + w; i += VNC_STAT_RECT) { | |
2600 | total += vnc_stat_rect(vs->vd, i, j)->freq; | |
2601 | num++; | |
2602 | } | |
2603 | } | |
2604 | ||
2605 | if (num) { | |
2606 | return total / num; | |
2607 | } else { | |
2608 | return 0; | |
2609 | } | |
2610 | } | |
2611 | ||
2612 | static void vnc_rect_updated(VncDisplay *vd, int x, int y, struct timeval * tv) | |
2613 | { | |
2614 | VncRectStat *rect; | |
2615 | ||
2616 | rect = vnc_stat_rect(vd, x, y); | |
2617 | if (rect->updated) { | |
2618 | return ; | |
2619 | } | |
2620 | rect->times[rect->idx] = *tv; | |
2621 | rect->idx = (rect->idx + 1) % ARRAY_SIZE(rect->times); | |
2622 | rect->updated = true; | |
2623 | } | |
2624 | ||
1fc62412 SS |
2625 | static int vnc_refresh_server_surface(VncDisplay *vd) |
2626 | { | |
9f64916d GH |
2627 | int width = pixman_image_get_width(vd->guest.fb); |
2628 | int height = pixman_image_get_height(vd->guest.fb); | |
1fc62412 SS |
2629 | int y; |
2630 | uint8_t *guest_row; | |
2631 | uint8_t *server_row; | |
2632 | int cmp_bytes; | |
41b4bef6 | 2633 | VncState *vs; |
1fc62412 | 2634 | int has_dirty = 0; |
9f64916d | 2635 | pixman_image_t *tmpbuf = NULL; |
1fc62412 | 2636 | |
80e0c8c3 | 2637 | struct timeval tv = { 0, 0 }; |
999342a0 | 2638 | |
80e0c8c3 CC |
2639 | if (!vd->non_adaptive) { |
2640 | gettimeofday(&tv, NULL); | |
2641 | has_dirty = vnc_update_stats(vd, &tv); | |
2642 | } | |
999342a0 | 2643 | |
1fc62412 SS |
2644 | /* |
2645 | * Walk through the guest dirty map. | |
2646 | * Check and copy modified bits from guest to server surface. | |
2647 | * Update server dirty map. | |
2648 | */ | |
9f64916d GH |
2649 | cmp_bytes = 64; |
2650 | if (cmp_bytes > vnc_server_fb_stride(vd)) { | |
2651 | cmp_bytes = vnc_server_fb_stride(vd); | |
2652 | } | |
2653 | if (vd->guest.format != VNC_SERVER_FB_FORMAT) { | |
2654 | int width = pixman_image_get_width(vd->server); | |
2655 | tmpbuf = qemu_pixman_linebuf_create(VNC_SERVER_FB_FORMAT, width); | |
9e4dd565 | 2656 | } |
9f64916d GH |
2657 | guest_row = (uint8_t *)pixman_image_get_data(vd->guest.fb); |
2658 | server_row = (uint8_t *)pixman_image_get_data(vd->server); | |
2659 | for (y = 0; y < height; y++) { | |
23bfe28f | 2660 | if (!bitmap_empty(vd->guest.dirty[y], VNC_DIRTY_BITS)) { |
1fc62412 SS |
2661 | int x; |
2662 | uint8_t *guest_ptr; | |
2663 | uint8_t *server_ptr; | |
2664 | ||
9f64916d | 2665 | if (vd->guest.format != VNC_SERVER_FB_FORMAT) { |
bc210eb1 | 2666 | qemu_pixman_linebuf_fill(tmpbuf, vd->guest.fb, width, 0, y); |
9f64916d GH |
2667 | guest_ptr = (uint8_t *)pixman_image_get_data(tmpbuf); |
2668 | } else { | |
2669 | guest_ptr = guest_row; | |
2670 | } | |
1fc62412 SS |
2671 | server_ptr = server_row; |
2672 | ||
9f64916d | 2673 | for (x = 0; x + 15 < width; |
1fc62412 | 2674 | x += 16, guest_ptr += cmp_bytes, server_ptr += cmp_bytes) { |
bc2429b9 | 2675 | if (!test_and_clear_bit((x / 16), vd->guest.dirty[y])) |
1fc62412 | 2676 | continue; |
1fc62412 SS |
2677 | if (memcmp(server_ptr, guest_ptr, cmp_bytes) == 0) |
2678 | continue; | |
2679 | memcpy(server_ptr, guest_ptr, cmp_bytes); | |
80e0c8c3 CC |
2680 | if (!vd->non_adaptive) |
2681 | vnc_rect_updated(vd, x, y, &tv); | |
41b4bef6 | 2682 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
bc2429b9 | 2683 | set_bit((x / 16), vs->dirty[y]); |
1fc62412 SS |
2684 | } |
2685 | has_dirty++; | |
2686 | } | |
2687 | } | |
9f64916d GH |
2688 | guest_row += pixman_image_get_stride(vd->guest.fb); |
2689 | server_row += pixman_image_get_stride(vd->server); | |
1fc62412 | 2690 | } |
9f64916d | 2691 | qemu_pixman_image_unref(tmpbuf); |
1fc62412 SS |
2692 | return has_dirty; |
2693 | } | |
2694 | ||
0f7b2864 | 2695 | static void vnc_refresh(DisplayChangeListener *dcl) |
703bc68f | 2696 | { |
0f7b2864 | 2697 | VncDisplay *vd = container_of(dcl, VncDisplay, dcl); |
41b4bef6 AS |
2698 | VncState *vs, *vn; |
2699 | int has_dirty, rects = 0; | |
703bc68f | 2700 | |
1dbfa005 | 2701 | graphic_hw_update(NULL); |
703bc68f | 2702 | |
bd023f95 | 2703 | if (vnc_trylock_display(vd)) { |
0f7b2864 | 2704 | update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_BASE); |
bd023f95 CC |
2705 | return; |
2706 | } | |
2707 | ||
1fc62412 | 2708 | has_dirty = vnc_refresh_server_surface(vd); |
bd023f95 | 2709 | vnc_unlock_display(vd); |
1fc62412 | 2710 | |
41b4bef6 | 2711 | QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) { |
2430ffe4 | 2712 | rects += vnc_update_client(vs, has_dirty); |
6185c578 | 2713 | /* vs might be free()ed here */ |
703bc68f | 2714 | } |
bd023f95 | 2715 | |
0f7b2864 GH |
2716 | if (QTAILQ_EMPTY(&vd->clients)) { |
2717 | update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_MAX); | |
83755c17 | 2718 | return; |
0f7b2864 | 2719 | } |
703bc68f | 2720 | |
2430ffe4 | 2721 | if (has_dirty && rects) { |
0f7b2864 GH |
2722 | vd->dcl.update_interval /= 2; |
2723 | if (vd->dcl.update_interval < VNC_REFRESH_INTERVAL_BASE) { | |
2724 | vd->dcl.update_interval = VNC_REFRESH_INTERVAL_BASE; | |
2725 | } | |
2430ffe4 | 2726 | } else { |
0f7b2864 GH |
2727 | vd->dcl.update_interval += VNC_REFRESH_INTERVAL_INC; |
2728 | if (vd->dcl.update_interval > VNC_REFRESH_INTERVAL_MAX) { | |
2729 | vd->dcl.update_interval = VNC_REFRESH_INTERVAL_MAX; | |
2730 | } | |
703bc68f SS |
2731 | } |
2732 | } | |
2733 | ||
7536ee4b | 2734 | static void vnc_connect(VncDisplay *vd, int csock, int skipauth, bool websocket) |
3aa3eea3 | 2735 | { |
7267c094 | 2736 | VncState *vs = g_malloc0(sizeof(VncState)); |
7d964c9d CC |
2737 | int i; |
2738 | ||
753b4053 | 2739 | vs->csock = csock; |
7e7e2ebc DB |
2740 | |
2741 | if (skipauth) { | |
2742 | vs->auth = VNC_AUTH_NONE; | |
2743 | #ifdef CONFIG_VNC_TLS | |
2744 | vs->subauth = VNC_AUTH_INVALID; | |
2745 | #endif | |
2746 | } else { | |
2747 | vs->auth = vd->auth; | |
2748 | #ifdef CONFIG_VNC_TLS | |
2749 | vs->subauth = vd->subauth; | |
2750 | #endif | |
2751 | } | |
2752 | ||
7267c094 | 2753 | vs->lossy_rect = g_malloc0(VNC_STAT_ROWS * sizeof (*vs->lossy_rect)); |
7d964c9d | 2754 | for (i = 0; i < VNC_STAT_ROWS; ++i) { |
7267c094 | 2755 | vs->lossy_rect[i] = g_malloc0(VNC_STAT_COLS * sizeof (uint8_t)); |
7d964c9d | 2756 | } |
753b4053 AL |
2757 | |
2758 | VNC_DEBUG("New client on socket %d\n", csock); | |
0f7b2864 | 2759 | update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_BASE); |
f9e8cacc | 2760 | qemu_set_nonblock(vs->csock); |
7536ee4b TH |
2761 | #ifdef CONFIG_VNC_WS |
2762 | if (websocket) { | |
2763 | vs->websocket = 1; | |
2764 | qemu_set_fd_handler2(vs->csock, NULL, vncws_handshake_read, NULL, vs); | |
2765 | } else | |
2766 | #endif /* CONFIG_VNC_WS */ | |
2767 | { | |
2768 | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); | |
2769 | } | |
753b4053 | 2770 | |
4a80dba3 | 2771 | vnc_client_cache_addr(vs); |
586153d9 | 2772 | vnc_qmp_event(vs, QEVENT_VNC_CONNECTED); |
8cf36489 | 2773 | vnc_set_share_mode(vs, VNC_SHARE_MODE_CONNECTING); |
4a80dba3 | 2774 | |
753b4053 | 2775 | vs->vd = vd; |
7536ee4b TH |
2776 | |
2777 | #ifdef CONFIG_VNC_WS | |
2778 | if (!vs->websocket) | |
2779 | #endif | |
2780 | { | |
2781 | vnc_init_state(vs); | |
2782 | } | |
2783 | } | |
2784 | ||
2785 | void vnc_init_state(VncState *vs) | |
2786 | { | |
6fd8e79a | 2787 | vs->initialized = true; |
7536ee4b TH |
2788 | VncDisplay *vd = vs->vd; |
2789 | ||
753b4053 AL |
2790 | vs->last_x = -1; |
2791 | vs->last_y = -1; | |
2792 | ||
2793 | vs->as.freq = 44100; | |
2794 | vs->as.nchannels = 2; | |
2795 | vs->as.fmt = AUD_FMT_S16; | |
2796 | vs->as.endianness = 0; | |
2797 | ||
bd023f95 | 2798 | qemu_mutex_init(&vs->output_mutex); |
175b2a6e | 2799 | vs->bh = qemu_bh_new(vnc_jobs_bh, vs); |
bd023f95 | 2800 | |
41b4bef6 | 2801 | QTAILQ_INSERT_HEAD(&vd->clients, vs, next); |
1fc62412 | 2802 | |
1dbfa005 | 2803 | graphic_hw_update(NULL); |
1fc62412 | 2804 | |
3aa3eea3 AZ |
2805 | vnc_write(vs, "RFB 003.008\n", 12); |
2806 | vnc_flush(vs); | |
2807 | vnc_read_when(vs, protocol_version, 12); | |
53762ddb | 2808 | reset_keys(vs); |
3a0558b5 GH |
2809 | if (vs->vd->lock_key_sync) |
2810 | vs->led = qemu_add_led_event_handler(kbd_leds, vs); | |
753b4053 | 2811 | |
37c34d9d AL |
2812 | vs->mouse_mode_notifier.notify = check_pointer_type_change; |
2813 | qemu_add_mouse_mode_change_notifier(&vs->mouse_mode_notifier); | |
2814 | ||
198a0039 | 2815 | /* vs might be free()ed here */ |
3aa3eea3 AZ |
2816 | } |
2817 | ||
7536ee4b | 2818 | static void vnc_listen_read(void *opaque, bool websocket) |
24236869 | 2819 | { |
753b4053 | 2820 | VncDisplay *vs = opaque; |
24236869 FB |
2821 | struct sockaddr_in addr; |
2822 | socklen_t addrlen = sizeof(addr); | |
7536ee4b | 2823 | int csock; |
24236869 | 2824 | |
9f60ad50 | 2825 | /* Catch-up */ |
1dbfa005 | 2826 | graphic_hw_update(NULL); |
7536ee4b TH |
2827 | #ifdef CONFIG_VNC_WS |
2828 | if (websocket) { | |
2829 | csock = qemu_accept(vs->lwebsock, (struct sockaddr *)&addr, &addrlen); | |
2830 | } else | |
2831 | #endif /* CONFIG_VNC_WS */ | |
2832 | { | |
2833 | csock = qemu_accept(vs->lsock, (struct sockaddr *)&addr, &addrlen); | |
2834 | } | |
9f60ad50 | 2835 | |
753b4053 | 2836 | if (csock != -1) { |
7536ee4b | 2837 | vnc_connect(vs, csock, 0, websocket); |
24236869 FB |
2838 | } |
2839 | } | |
2840 | ||
7536ee4b TH |
2841 | static void vnc_listen_regular_read(void *opaque) |
2842 | { | |
2843 | vnc_listen_read(opaque, 0); | |
2844 | } | |
2845 | ||
2846 | #ifdef CONFIG_VNC_WS | |
2847 | static void vnc_listen_websocket_read(void *opaque) | |
2848 | { | |
2849 | vnc_listen_read(opaque, 1); | |
2850 | } | |
2851 | #endif /* CONFIG_VNC_WS */ | |
2852 | ||
7c20b4a3 GH |
2853 | static const DisplayChangeListenerOps dcl_ops = { |
2854 | .dpy_name = "vnc", | |
0f7b2864 | 2855 | .dpy_refresh = vnc_refresh, |
7c20b4a3 GH |
2856 | .dpy_gfx_copy = vnc_dpy_copy, |
2857 | .dpy_gfx_update = vnc_dpy_update, | |
c12aeb86 | 2858 | .dpy_gfx_switch = vnc_dpy_switch, |
7c20b4a3 GH |
2859 | .dpy_mouse_set = vnc_mouse_set, |
2860 | .dpy_cursor_define = vnc_dpy_cursor_define, | |
2861 | }; | |
2862 | ||
71cab5ca | 2863 | void vnc_display_init(DisplayState *ds) |
24236869 | 2864 | { |
7267c094 | 2865 | VncDisplay *vs = g_malloc0(sizeof(*vs)); |
24236869 | 2866 | |
753b4053 | 2867 | vnc_display = vs; |
24236869 FB |
2868 | |
2869 | vs->lsock = -1; | |
7536ee4b TH |
2870 | #ifdef CONFIG_VNC_WS |
2871 | vs->lwebsock = -1; | |
2872 | #endif | |
24236869 | 2873 | |
41b4bef6 | 2874 | QTAILQ_INIT(&vs->clients); |
3c9405a0 | 2875 | vs->expires = TIME_MAX; |
24236869 | 2876 | |
9ca313aa | 2877 | if (keyboard_layout) |
0483755a | 2878 | vs->kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout); |
9ca313aa | 2879 | else |
0483755a | 2880 | vs->kbd_layout = init_keyboard_layout(name2keysym, "en-us"); |
24236869 | 2881 | |
24236869 | 2882 | if (!vs->kbd_layout) |
28a76be8 | 2883 | exit(1); |
24236869 | 2884 | |
bd023f95 CC |
2885 | qemu_mutex_init(&vs->mutex); |
2886 | vnc_start_worker_thread(); | |
bd023f95 | 2887 | |
21ef45d7 | 2888 | vs->dcl.ops = &dcl_ops; |
5209089f | 2889 | register_displaychangelistener(&vs->dcl); |
71cab5ca TS |
2890 | } |
2891 | ||
6f43024c | 2892 | |
71a8cdec | 2893 | static void vnc_display_close(DisplayState *ds) |
71cab5ca | 2894 | { |
21ef45d7 | 2895 | VncDisplay *vs = vnc_display; |
71cab5ca | 2896 | |
452b4d88 AL |
2897 | if (!vs) |
2898 | return; | |
71cab5ca | 2899 | if (vs->display) { |
7267c094 | 2900 | g_free(vs->display); |
28a76be8 | 2901 | vs->display = NULL; |
71cab5ca TS |
2902 | } |
2903 | if (vs->lsock != -1) { | |
28a76be8 AL |
2904 | qemu_set_fd_handler2(vs->lsock, NULL, NULL, NULL, NULL); |
2905 | close(vs->lsock); | |
2906 | vs->lsock = -1; | |
71cab5ca | 2907 | } |
7536ee4b TH |
2908 | #ifdef CONFIG_VNC_WS |
2909 | g_free(vs->ws_display); | |
2910 | vs->ws_display = NULL; | |
2911 | if (vs->lwebsock != -1) { | |
2912 | qemu_set_fd_handler2(vs->lwebsock, NULL, NULL, NULL, NULL); | |
2913 | close(vs->lwebsock); | |
2914 | vs->lwebsock = -1; | |
2915 | } | |
2916 | #endif /* CONFIG_VNC_WS */ | |
70848515 | 2917 | vs->auth = VNC_AUTH_INVALID; |
eb38c52c | 2918 | #ifdef CONFIG_VNC_TLS |
8d5d2d4c | 2919 | vs->subauth = VNC_AUTH_INVALID; |
5fb6c7a8 | 2920 | vs->tls.x509verify = 0; |
8d5d2d4c | 2921 | #endif |
70848515 TS |
2922 | } |
2923 | ||
71a8cdec | 2924 | static int vnc_display_disable_login(DisplayState *ds) |
1cd20f8b | 2925 | { |
21ef45d7 | 2926 | VncDisplay *vs = vnc_display; |
1cd20f8b AL |
2927 | |
2928 | if (!vs) { | |
2929 | return -1; | |
2930 | } | |
2931 | ||
2932 | if (vs->password) { | |
7267c094 | 2933 | g_free(vs->password); |
1cd20f8b AL |
2934 | } |
2935 | ||
2936 | vs->password = NULL; | |
7dfbfc79 DB |
2937 | if (vs->auth == VNC_AUTH_NONE) { |
2938 | vs->auth = VNC_AUTH_VNC; | |
2939 | } | |
1cd20f8b AL |
2940 | |
2941 | return 0; | |
2942 | } | |
2943 | ||
70848515 TS |
2944 | int vnc_display_password(DisplayState *ds, const char *password) |
2945 | { | |
21ef45d7 | 2946 | VncDisplay *vs = vnc_display; |
70848515 | 2947 | |
7ef92331 | 2948 | if (!vs) { |
a6aa9d3e | 2949 | return -EINVAL; |
7ef92331 ZA |
2950 | } |
2951 | ||
1cd20f8b AL |
2952 | if (!password) { |
2953 | /* This is not the intention of this interface but err on the side | |
2954 | of being safe */ | |
a6aa9d3e | 2955 | return vnc_display_disable_login(ds); |
1cd20f8b AL |
2956 | } |
2957 | ||
70848515 | 2958 | if (vs->password) { |
7267c094 | 2959 | g_free(vs->password); |
28a76be8 | 2960 | vs->password = NULL; |
70848515 | 2961 | } |
7267c094 | 2962 | vs->password = g_strdup(password); |
7dfbfc79 DB |
2963 | if (vs->auth == VNC_AUTH_NONE) { |
2964 | vs->auth = VNC_AUTH_VNC; | |
2965 | } | |
a6aa9d3e LC |
2966 | |
2967 | return 0; | |
71cab5ca TS |
2968 | } |
2969 | ||
3c9405a0 GH |
2970 | int vnc_display_pw_expire(DisplayState *ds, time_t expires) |
2971 | { | |
21ef45d7 | 2972 | VncDisplay *vs = vnc_display; |
3c9405a0 | 2973 | |
1643f2b2 GH |
2974 | if (!vs) { |
2975 | return -EINVAL; | |
2976 | } | |
2977 | ||
3c9405a0 GH |
2978 | vs->expires = expires; |
2979 | return 0; | |
2980 | } | |
2981 | ||
f92f8afe AL |
2982 | char *vnc_display_local_addr(DisplayState *ds) |
2983 | { | |
21ef45d7 | 2984 | VncDisplay *vs = vnc_display; |
f92f8afe AL |
2985 | |
2986 | return vnc_socket_local_addr("%s:%s", vs->lsock); | |
2987 | } | |
2988 | ||
2d55f0e8 | 2989 | void vnc_display_open(DisplayState *ds, const char *display, Error **errp) |
71cab5ca | 2990 | { |
21ef45d7 | 2991 | VncDisplay *vs = vnc_display; |
70848515 TS |
2992 | const char *options; |
2993 | int password = 0; | |
3aa3eea3 | 2994 | int reverse = 0; |
eb38c52c | 2995 | #ifdef CONFIG_VNC_TLS |
3a702699 | 2996 | int tls = 0, x509 = 0; |
8d5d2d4c | 2997 | #endif |
2f9606b3 AL |
2998 | #ifdef CONFIG_VNC_SASL |
2999 | int sasl = 0; | |
3000 | int saslErr; | |
3001 | #endif | |
2ded6ad7 | 3002 | #if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) |
76655d6d | 3003 | int acl = 0; |
2ded6ad7 | 3004 | #endif |
3a0558b5 | 3005 | int lock_key_sync = 1; |
71cab5ca | 3006 | |
2d55f0e8 PB |
3007 | if (!vnc_display) { |
3008 | error_setg(errp, "VNC display not active"); | |
3009 | return; | |
3010 | } | |
71cab5ca | 3011 | vnc_display_close(ds); |
70848515 | 3012 | if (strcmp(display, "none") == 0) |
2d55f0e8 | 3013 | return; |
24236869 | 3014 | |
1ce52c78 | 3015 | vs->display = g_strdup(display); |
8cf36489 | 3016 | vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE; |
70848515 TS |
3017 | |
3018 | options = display; | |
3019 | while ((options = strchr(options, ','))) { | |
28a76be8 AL |
3020 | options++; |
3021 | if (strncmp(options, "password", 8) == 0) { | |
0f66998f | 3022 | if (fips_get_state()) { |
2d55f0e8 PB |
3023 | error_setg(errp, |
3024 | "VNC password auth disabled due to FIPS mode, " | |
3025 | "consider using the VeNCrypt or SASL authentication " | |
3026 | "methods as an alternative"); | |
1ce52c78 | 3027 | goto fail; |
0f66998f | 3028 | } |
28a76be8 AL |
3029 | password = 1; /* Require password auth */ |
3030 | } else if (strncmp(options, "reverse", 7) == 0) { | |
3031 | reverse = 1; | |
cee8e6ad | 3032 | } else if (strncmp(options, "no-lock-key-sync", 16) == 0) { |
3a0558b5 | 3033 | lock_key_sync = 0; |
2f9606b3 | 3034 | #ifdef CONFIG_VNC_SASL |
28a76be8 AL |
3035 | } else if (strncmp(options, "sasl", 4) == 0) { |
3036 | sasl = 1; /* Require SASL auth */ | |
2f9606b3 | 3037 | #endif |
7536ee4b TH |
3038 | #ifdef CONFIG_VNC_WS |
3039 | } else if (strncmp(options, "websocket", 9) == 0) { | |
3040 | char *start, *end; | |
3041 | vs->websocket = 1; | |
3042 | ||
3043 | /* Check for 'websocket=<port>' */ | |
3044 | start = strchr(options, '='); | |
3045 | end = strchr(options, ','); | |
3046 | if (start && (!end || (start < end))) { | |
3047 | int len = end ? end-(start+1) : strlen(start+1); | |
3048 | if (len < 6) { | |
3049 | /* extract the host specification from display */ | |
3050 | char *host = NULL, *port = NULL, *host_end = NULL; | |
3051 | port = g_strndup(start + 1, len); | |
3052 | ||
3053 | /* ipv6 hosts have colons */ | |
3054 | end = strchr(display, ','); | |
3055 | host_end = g_strrstr_len(display, end - display, ":"); | |
3056 | ||
3057 | if (host_end) { | |
3058 | host = g_strndup(display, host_end - display + 1); | |
3059 | } else { | |
3060 | host = g_strndup(":", 1); | |
3061 | } | |
3062 | vs->ws_display = g_strconcat(host, port, NULL); | |
3063 | g_free(host); | |
3064 | g_free(port); | |
3065 | } | |
3066 | } | |
3067 | #endif /* CONFIG_VNC_WS */ | |
eb38c52c | 3068 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
3069 | } else if (strncmp(options, "tls", 3) == 0) { |
3070 | tls = 1; /* Require TLS */ | |
3071 | } else if (strncmp(options, "x509", 4) == 0) { | |
3072 | char *start, *end; | |
3073 | x509 = 1; /* Require x509 certificates */ | |
3074 | if (strncmp(options, "x509verify", 10) == 0) | |
3075 | vs->tls.x509verify = 1; /* ...and verify client certs */ | |
3076 | ||
3077 | /* Now check for 'x509=/some/path' postfix | |
3078 | * and use that to setup x509 certificate/key paths */ | |
3079 | start = strchr(options, '='); | |
3080 | end = strchr(options, ','); | |
3081 | if (start && (!end || (start < end))) { | |
3082 | int len = end ? end-(start+1) : strlen(start+1); | |
7267c094 | 3083 | char *path = g_strndup(start + 1, len); |
28a76be8 AL |
3084 | |
3085 | VNC_DEBUG("Trying certificate path '%s'\n", path); | |
3086 | if (vnc_tls_set_x509_creds_dir(vs, path) < 0) { | |
2d55f0e8 | 3087 | error_setg(errp, "Failed to find x509 certificates/keys in %s", path); |
7267c094 | 3088 | g_free(path); |
1ce52c78 | 3089 | goto fail; |
28a76be8 | 3090 | } |
7267c094 | 3091 | g_free(path); |
28a76be8 | 3092 | } else { |
2d55f0e8 | 3093 | error_setg(errp, "No certificate path provided"); |
1ce52c78 | 3094 | goto fail; |
28a76be8 | 3095 | } |
8d5d2d4c | 3096 | #endif |
2ded6ad7 | 3097 | #if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) |
28a76be8 AL |
3098 | } else if (strncmp(options, "acl", 3) == 0) { |
3099 | acl = 1; | |
2ded6ad7 | 3100 | #endif |
6f9c78c1 CC |
3101 | } else if (strncmp(options, "lossy", 5) == 0) { |
3102 | vs->lossy = true; | |
7eff5742 | 3103 | } else if (strncmp(options, "non-adaptive", 12) == 0) { |
80e0c8c3 | 3104 | vs->non_adaptive = true; |
8cf36489 GH |
3105 | } else if (strncmp(options, "share=", 6) == 0) { |
3106 | if (strncmp(options+6, "ignore", 6) == 0) { | |
3107 | vs->share_policy = VNC_SHARE_POLICY_IGNORE; | |
3108 | } else if (strncmp(options+6, "allow-exclusive", 15) == 0) { | |
3109 | vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE; | |
3110 | } else if (strncmp(options+6, "force-shared", 12) == 0) { | |
3111 | vs->share_policy = VNC_SHARE_POLICY_FORCE_SHARED; | |
3112 | } else { | |
2d55f0e8 | 3113 | error_setg(errp, "unknown vnc share= option"); |
1ce52c78 | 3114 | goto fail; |
8cf36489 | 3115 | } |
28a76be8 | 3116 | } |
70848515 TS |
3117 | } |
3118 | ||
76655d6d AL |
3119 | #ifdef CONFIG_VNC_TLS |
3120 | if (acl && x509 && vs->tls.x509verify) { | |
28a76be8 AL |
3121 | if (!(vs->tls.acl = qemu_acl_init("vnc.x509dname"))) { |
3122 | fprintf(stderr, "Failed to create x509 dname ACL\n"); | |
3123 | exit(1); | |
3124 | } | |
76655d6d AL |
3125 | } |
3126 | #endif | |
3127 | #ifdef CONFIG_VNC_SASL | |
3128 | if (acl && sasl) { | |
28a76be8 AL |
3129 | if (!(vs->sasl.acl = qemu_acl_init("vnc.username"))) { |
3130 | fprintf(stderr, "Failed to create username ACL\n"); | |
3131 | exit(1); | |
3132 | } | |
76655d6d AL |
3133 | } |
3134 | #endif | |
3135 | ||
2f9606b3 AL |
3136 | /* |
3137 | * Combinations we support here: | |
3138 | * | |
3139 | * - no-auth (clear text, no auth) | |
3140 | * - password (clear text, weak auth) | |
3141 | * - sasl (encrypt, good auth *IF* using Kerberos via GSSAPI) | |
3142 | * - tls (encrypt, weak anonymous creds, no auth) | |
3143 | * - tls + password (encrypt, weak anonymous creds, weak auth) | |
3144 | * - tls + sasl (encrypt, weak anonymous creds, good auth) | |
3145 | * - tls + x509 (encrypt, good x509 creds, no auth) | |
3146 | * - tls + x509 + password (encrypt, good x509 creds, weak auth) | |
3147 | * - tls + x509 + sasl (encrypt, good x509 creds, good auth) | |
3148 | * | |
3149 | * NB1. TLS is a stackable auth scheme. | |
3150 | * NB2. the x509 schemes have option to validate a client cert dname | |
3151 | */ | |
70848515 | 3152 | if (password) { |
eb38c52c | 3153 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
3154 | if (tls) { |
3155 | vs->auth = VNC_AUTH_VENCRYPT; | |
3156 | if (x509) { | |
3157 | VNC_DEBUG("Initializing VNC server with x509 password auth\n"); | |
3158 | vs->subauth = VNC_AUTH_VENCRYPT_X509VNC; | |
3159 | } else { | |
3160 | VNC_DEBUG("Initializing VNC server with TLS password auth\n"); | |
3161 | vs->subauth = VNC_AUTH_VENCRYPT_TLSVNC; | |
3162 | } | |
3163 | } else { | |
2f9606b3 | 3164 | #endif /* CONFIG_VNC_TLS */ |
28a76be8 AL |
3165 | VNC_DEBUG("Initializing VNC server with password auth\n"); |
3166 | vs->auth = VNC_AUTH_VNC; | |
eb38c52c | 3167 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
3168 | vs->subauth = VNC_AUTH_INVALID; |
3169 | } | |
2f9606b3 AL |
3170 | #endif /* CONFIG_VNC_TLS */ |
3171 | #ifdef CONFIG_VNC_SASL | |
3172 | } else if (sasl) { | |
3173 | #ifdef CONFIG_VNC_TLS | |
3174 | if (tls) { | |
3175 | vs->auth = VNC_AUTH_VENCRYPT; | |
3176 | if (x509) { | |
28a76be8 | 3177 | VNC_DEBUG("Initializing VNC server with x509 SASL auth\n"); |
2f9606b3 AL |
3178 | vs->subauth = VNC_AUTH_VENCRYPT_X509SASL; |
3179 | } else { | |
28a76be8 | 3180 | VNC_DEBUG("Initializing VNC server with TLS SASL auth\n"); |
2f9606b3 AL |
3181 | vs->subauth = VNC_AUTH_VENCRYPT_TLSSASL; |
3182 | } | |
3183 | } else { | |
3184 | #endif /* CONFIG_VNC_TLS */ | |
28a76be8 | 3185 | VNC_DEBUG("Initializing VNC server with SASL auth\n"); |
2f9606b3 AL |
3186 | vs->auth = VNC_AUTH_SASL; |
3187 | #ifdef CONFIG_VNC_TLS | |
3188 | vs->subauth = VNC_AUTH_INVALID; | |
3189 | } | |
3190 | #endif /* CONFIG_VNC_TLS */ | |
3191 | #endif /* CONFIG_VNC_SASL */ | |
70848515 | 3192 | } else { |
eb38c52c | 3193 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
3194 | if (tls) { |
3195 | vs->auth = VNC_AUTH_VENCRYPT; | |
3196 | if (x509) { | |
3197 | VNC_DEBUG("Initializing VNC server with x509 no auth\n"); | |
3198 | vs->subauth = VNC_AUTH_VENCRYPT_X509NONE; | |
3199 | } else { | |
3200 | VNC_DEBUG("Initializing VNC server with TLS no auth\n"); | |
3201 | vs->subauth = VNC_AUTH_VENCRYPT_TLSNONE; | |
3202 | } | |
3203 | } else { | |
8d5d2d4c | 3204 | #endif |
28a76be8 AL |
3205 | VNC_DEBUG("Initializing VNC server with no auth\n"); |
3206 | vs->auth = VNC_AUTH_NONE; | |
eb38c52c | 3207 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
3208 | vs->subauth = VNC_AUTH_INVALID; |
3209 | } | |
8d5d2d4c | 3210 | #endif |
70848515 | 3211 | } |
24236869 | 3212 | |
2f9606b3 AL |
3213 | #ifdef CONFIG_VNC_SASL |
3214 | if ((saslErr = sasl_server_init(NULL, "qemu")) != SASL_OK) { | |
2d55f0e8 PB |
3215 | error_setg(errp, "Failed to initialize SASL auth: %s", |
3216 | sasl_errstring(saslErr, NULL, NULL)); | |
1ce52c78 | 3217 | goto fail; |
2f9606b3 AL |
3218 | } |
3219 | #endif | |
3a0558b5 | 3220 | vs->lock_key_sync = lock_key_sync; |
2f9606b3 | 3221 | |
3aa3eea3 | 3222 | if (reverse) { |
9712ecaf | 3223 | /* connect to viewer */ |
007fcd3e PB |
3224 | int csock; |
3225 | vs->lsock = -1; | |
7536ee4b TH |
3226 | #ifdef CONFIG_VNC_WS |
3227 | vs->lwebsock = -1; | |
3228 | #endif | |
007fcd3e | 3229 | if (strncmp(display, "unix:", 5) == 0) { |
2d55f0e8 | 3230 | csock = unix_connect(display+5, errp); |
3aa3eea3 | 3231 | } else { |
2d55f0e8 | 3232 | csock = inet_connect(display, errp); |
3aa3eea3 | 3233 | } |
007fcd3e PB |
3234 | if (csock < 0) { |
3235 | goto fail; | |
3236 | } | |
7536ee4b | 3237 | vnc_connect(vs, csock, 0, 0); |
9712ecaf AL |
3238 | } else { |
3239 | /* listen for connects */ | |
3240 | char *dpy; | |
7267c094 | 3241 | dpy = g_malloc(256); |
9712ecaf | 3242 | if (strncmp(display, "unix:", 5) == 0) { |
bc575e95 | 3243 | pstrcpy(dpy, 256, "unix:"); |
2d55f0e8 | 3244 | vs->lsock = unix_listen(display+5, dpy+5, 256-5, errp); |
9712ecaf | 3245 | } else { |
029409e5 | 3246 | vs->lsock = inet_listen(display, dpy, 256, |
2d55f0e8 | 3247 | SOCK_STREAM, 5900, errp); |
7536ee4b TH |
3248 | if (vs->lsock < 0) { |
3249 | g_free(dpy); | |
3250 | goto fail; | |
3251 | } | |
3252 | #ifdef CONFIG_VNC_WS | |
3253 | if (vs->websocket) { | |
3254 | if (vs->ws_display) { | |
3255 | vs->lwebsock = inet_listen(vs->ws_display, NULL, 256, | |
3256 | SOCK_STREAM, 0, errp); | |
3257 | } else { | |
3258 | vs->lwebsock = inet_listen(vs->display, NULL, 256, | |
3259 | SOCK_STREAM, 5700, errp); | |
3260 | } | |
3261 | ||
3262 | if (vs->lwebsock < 0) { | |
3263 | if (vs->lsock) { | |
3264 | close(vs->lsock); | |
3265 | vs->lsock = -1; | |
3266 | } | |
3267 | g_free(dpy); | |
3268 | goto fail; | |
3269 | } | |
3270 | } | |
3271 | #endif /* CONFIG_VNC_WS */ | |
9712ecaf | 3272 | } |
1ce52c78 PB |
3273 | g_free(vs->display); |
3274 | vs->display = dpy; | |
7536ee4b TH |
3275 | qemu_set_fd_handler2(vs->lsock, NULL, |
3276 | vnc_listen_regular_read, NULL, vs); | |
3277 | #ifdef CONFIG_VNC_WS | |
3278 | if (vs->websocket) { | |
3279 | qemu_set_fd_handler2(vs->lwebsock, NULL, | |
3280 | vnc_listen_websocket_read, NULL, vs); | |
3281 | } | |
3282 | #endif /* CONFIG_VNC_WS */ | |
24236869 | 3283 | } |
2d55f0e8 | 3284 | return; |
1ce52c78 PB |
3285 | |
3286 | fail: | |
3287 | g_free(vs->display); | |
3288 | vs->display = NULL; | |
7536ee4b TH |
3289 | #ifdef CONFIG_VNC_WS |
3290 | g_free(vs->ws_display); | |
3291 | vs->ws_display = NULL; | |
3292 | #endif /* CONFIG_VNC_WS */ | |
24236869 | 3293 | } |
13661089 DB |
3294 | |
3295 | void vnc_display_add_client(DisplayState *ds, int csock, int skipauth) | |
3296 | { | |
21ef45d7 | 3297 | VncDisplay *vs = vnc_display; |
13661089 | 3298 | |
7536ee4b | 3299 | vnc_connect(vs, csock, skipauth, 0); |
13661089 | 3300 | } |