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Commit | Line | Data |
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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" |
87ecb68b | 29 | #include "sysemu.h" |
6ca957f0 | 30 | #include "qemu_socket.h" |
87ecb68b | 31 | #include "qemu-timer.h" |
76655d6d | 32 | #include "acl.h" |
d96fd29c | 33 | #include "qemu-objects.h" |
2b54aa87 | 34 | #include "qmp-commands.h" |
24236869 | 35 | |
2430ffe4 SS |
36 | #define VNC_REFRESH_INTERVAL_BASE 30 |
37 | #define VNC_REFRESH_INTERVAL_INC 50 | |
38 | #define VNC_REFRESH_INTERVAL_MAX 2000 | |
999342a0 CC |
39 | static const struct timeval VNC_REFRESH_STATS = { 0, 500000 }; |
40 | static const struct timeval VNC_REFRESH_LOSSY = { 2, 0 }; | |
24236869 FB |
41 | |
42 | #include "vnc_keysym.h" | |
70848515 TS |
43 | #include "d3des.h" |
44 | ||
753b4053 | 45 | static VncDisplay *vnc_display; /* needed for info vnc */ |
7d957bd8 | 46 | static DisplayChangeListener *dcl; |
a9ce8590 | 47 | |
d467b679 GH |
48 | static int vnc_cursor_define(VncState *vs); |
49 | ||
8cf36489 GH |
50 | static void vnc_set_share_mode(VncState *vs, VncShareMode mode) |
51 | { | |
52 | #ifdef _VNC_DEBUG | |
53 | static const char *mn[] = { | |
54 | [0] = "undefined", | |
55 | [VNC_SHARE_MODE_CONNECTING] = "connecting", | |
56 | [VNC_SHARE_MODE_SHARED] = "shared", | |
57 | [VNC_SHARE_MODE_EXCLUSIVE] = "exclusive", | |
58 | [VNC_SHARE_MODE_DISCONNECTED] = "disconnected", | |
59 | }; | |
60 | fprintf(stderr, "%s/%d: %s -> %s\n", __func__, | |
61 | vs->csock, mn[vs->share_mode], mn[mode]); | |
62 | #endif | |
63 | ||
64 | if (vs->share_mode == VNC_SHARE_MODE_EXCLUSIVE) { | |
65 | vs->vd->num_exclusive--; | |
66 | } | |
67 | vs->share_mode = mode; | |
68 | if (vs->share_mode == VNC_SHARE_MODE_EXCLUSIVE) { | |
69 | vs->vd->num_exclusive++; | |
70 | } | |
71 | } | |
72 | ||
1ff7df1a AL |
73 | static char *addr_to_string(const char *format, |
74 | struct sockaddr_storage *sa, | |
75 | socklen_t salen) { | |
76 | char *addr; | |
77 | char host[NI_MAXHOST]; | |
78 | char serv[NI_MAXSERV]; | |
79 | int err; | |
457772e6 | 80 | size_t addrlen; |
1ff7df1a AL |
81 | |
82 | if ((err = getnameinfo((struct sockaddr *)sa, salen, | |
83 | host, sizeof(host), | |
84 | serv, sizeof(serv), | |
85 | NI_NUMERICHOST | NI_NUMERICSERV)) != 0) { | |
86 | VNC_DEBUG("Cannot resolve address %d: %s\n", | |
87 | err, gai_strerror(err)); | |
88 | return NULL; | |
89 | } | |
90 | ||
457772e6 | 91 | /* Enough for the existing format + the 2 vars we're |
f425c278 | 92 | * substituting in. */ |
457772e6 | 93 | addrlen = strlen(format) + strlen(host) + strlen(serv); |
7267c094 | 94 | addr = g_malloc(addrlen + 1); |
457772e6 AL |
95 | snprintf(addr, addrlen, format, host, serv); |
96 | addr[addrlen] = '\0'; | |
1ff7df1a AL |
97 | |
98 | return addr; | |
99 | } | |
100 | ||
2f9606b3 AL |
101 | |
102 | char *vnc_socket_local_addr(const char *format, int fd) { | |
1ff7df1a AL |
103 | struct sockaddr_storage sa; |
104 | socklen_t salen; | |
105 | ||
106 | salen = sizeof(sa); | |
107 | if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0) | |
108 | return NULL; | |
109 | ||
110 | return addr_to_string(format, &sa, salen); | |
111 | } | |
112 | ||
2f9606b3 | 113 | char *vnc_socket_remote_addr(const char *format, int fd) { |
1ff7df1a AL |
114 | struct sockaddr_storage sa; |
115 | socklen_t salen; | |
116 | ||
117 | salen = sizeof(sa); | |
118 | if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0) | |
119 | return NULL; | |
120 | ||
121 | return addr_to_string(format, &sa, salen); | |
122 | } | |
123 | ||
d96fd29c LC |
124 | static int put_addr_qdict(QDict *qdict, struct sockaddr_storage *sa, |
125 | socklen_t salen) | |
126 | { | |
127 | char host[NI_MAXHOST]; | |
128 | char serv[NI_MAXSERV]; | |
129 | int err; | |
130 | ||
131 | if ((err = getnameinfo((struct sockaddr *)sa, salen, | |
132 | host, sizeof(host), | |
133 | serv, sizeof(serv), | |
134 | NI_NUMERICHOST | NI_NUMERICSERV)) != 0) { | |
135 | VNC_DEBUG("Cannot resolve address %d: %s\n", | |
136 | err, gai_strerror(err)); | |
137 | return -1; | |
138 | } | |
139 | ||
140 | qdict_put(qdict, "host", qstring_from_str(host)); | |
141 | qdict_put(qdict, "service", qstring_from_str(serv)); | |
dc0d4efc | 142 | qdict_put(qdict, "family",qstring_from_str(inet_strfamily(sa->ss_family))); |
d96fd29c LC |
143 | |
144 | return 0; | |
145 | } | |
146 | ||
a7789382 | 147 | static int vnc_server_addr_put(QDict *qdict, int fd) |
d96fd29c LC |
148 | { |
149 | struct sockaddr_storage sa; | |
150 | socklen_t salen; | |
151 | ||
152 | salen = sizeof(sa); | |
153 | if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0) { | |
154 | return -1; | |
155 | } | |
156 | ||
157 | return put_addr_qdict(qdict, &sa, salen); | |
158 | } | |
159 | ||
160 | static int vnc_qdict_remote_addr(QDict *qdict, int fd) | |
161 | { | |
162 | struct sockaddr_storage sa; | |
163 | socklen_t salen; | |
164 | ||
165 | salen = sizeof(sa); | |
166 | if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0) { | |
167 | return -1; | |
168 | } | |
169 | ||
170 | return put_addr_qdict(qdict, &sa, salen); | |
171 | } | |
172 | ||
1ff7df1a AL |
173 | static const char *vnc_auth_name(VncDisplay *vd) { |
174 | switch (vd->auth) { | |
175 | case VNC_AUTH_INVALID: | |
176 | return "invalid"; | |
177 | case VNC_AUTH_NONE: | |
178 | return "none"; | |
179 | case VNC_AUTH_VNC: | |
180 | return "vnc"; | |
181 | case VNC_AUTH_RA2: | |
182 | return "ra2"; | |
183 | case VNC_AUTH_RA2NE: | |
184 | return "ra2ne"; | |
185 | case VNC_AUTH_TIGHT: | |
186 | return "tight"; | |
187 | case VNC_AUTH_ULTRA: | |
188 | return "ultra"; | |
189 | case VNC_AUTH_TLS: | |
190 | return "tls"; | |
191 | case VNC_AUTH_VENCRYPT: | |
192 | #ifdef CONFIG_VNC_TLS | |
193 | switch (vd->subauth) { | |
194 | case VNC_AUTH_VENCRYPT_PLAIN: | |
195 | return "vencrypt+plain"; | |
196 | case VNC_AUTH_VENCRYPT_TLSNONE: | |
197 | return "vencrypt+tls+none"; | |
198 | case VNC_AUTH_VENCRYPT_TLSVNC: | |
199 | return "vencrypt+tls+vnc"; | |
200 | case VNC_AUTH_VENCRYPT_TLSPLAIN: | |
201 | return "vencrypt+tls+plain"; | |
202 | case VNC_AUTH_VENCRYPT_X509NONE: | |
203 | return "vencrypt+x509+none"; | |
204 | case VNC_AUTH_VENCRYPT_X509VNC: | |
205 | return "vencrypt+x509+vnc"; | |
206 | case VNC_AUTH_VENCRYPT_X509PLAIN: | |
207 | return "vencrypt+x509+plain"; | |
28a76be8 AL |
208 | case VNC_AUTH_VENCRYPT_TLSSASL: |
209 | return "vencrypt+tls+sasl"; | |
210 | case VNC_AUTH_VENCRYPT_X509SASL: | |
211 | return "vencrypt+x509+sasl"; | |
1ff7df1a AL |
212 | default: |
213 | return "vencrypt"; | |
214 | } | |
215 | #else | |
216 | return "vencrypt"; | |
217 | #endif | |
2f9606b3 | 218 | case VNC_AUTH_SASL: |
28a76be8 | 219 | return "sasl"; |
1ff7df1a AL |
220 | } |
221 | return "unknown"; | |
222 | } | |
223 | ||
a7789382 LC |
224 | static int vnc_server_info_put(QDict *qdict) |
225 | { | |
226 | if (vnc_server_addr_put(qdict, vnc_display->lsock) < 0) { | |
227 | return -1; | |
228 | } | |
229 | ||
230 | qdict_put(qdict, "auth", qstring_from_str(vnc_auth_name(vnc_display))); | |
231 | return 0; | |
232 | } | |
233 | ||
4a80dba3 | 234 | static void vnc_client_cache_auth(VncState *client) |
1ff7df1a | 235 | { |
2ded6ad7 | 236 | #if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) |
d96fd29c | 237 | QDict *qdict; |
2ded6ad7 | 238 | #endif |
1ff7df1a | 239 | |
4a80dba3 LC |
240 | if (!client->info) { |
241 | return; | |
d96fd29c | 242 | } |
1263b7d6 | 243 | |
2ded6ad7 | 244 | #if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) |
4a80dba3 | 245 | qdict = qobject_to_qdict(client->info); |
2ded6ad7 | 246 | #endif |
4a80dba3 | 247 | |
1263b7d6 AL |
248 | #ifdef CONFIG_VNC_TLS |
249 | if (client->tls.session && | |
d96fd29c LC |
250 | client->tls.dname) { |
251 | qdict_put(qdict, "x509_dname", qstring_from_str(client->tls.dname)); | |
252 | } | |
1263b7d6 AL |
253 | #endif |
254 | #ifdef CONFIG_VNC_SASL | |
255 | if (client->sasl.conn && | |
d96fd29c | 256 | client->sasl.username) { |
76825067 LC |
257 | qdict_put(qdict, "sasl_username", |
258 | qstring_from_str(client->sasl.username)); | |
d96fd29c | 259 | } |
1263b7d6 | 260 | #endif |
4a80dba3 | 261 | } |
d96fd29c | 262 | |
4a80dba3 LC |
263 | static void vnc_client_cache_addr(VncState *client) |
264 | { | |
265 | QDict *qdict; | |
266 | ||
267 | qdict = qdict_new(); | |
268 | if (vnc_qdict_remote_addr(qdict, client->csock) < 0) { | |
269 | QDECREF(qdict); | |
270 | /* XXX: how to report the error? */ | |
271 | return; | |
272 | } | |
273 | ||
274 | client->info = QOBJECT(qdict); | |
1ff7df1a AL |
275 | } |
276 | ||
586153d9 LC |
277 | static void vnc_qmp_event(VncState *vs, MonitorEvent event) |
278 | { | |
279 | QDict *server; | |
280 | QObject *data; | |
281 | ||
282 | if (!vs->info) { | |
283 | return; | |
284 | } | |
285 | ||
286 | server = qdict_new(); | |
287 | if (vnc_server_info_put(server) < 0) { | |
288 | QDECREF(server); | |
289 | return; | |
290 | } | |
291 | ||
292 | data = qobject_from_jsonf("{ 'client': %p, 'server': %p }", | |
293 | vs->info, QOBJECT(server)); | |
294 | ||
295 | monitor_protocol_event(event, data); | |
296 | ||
297 | qobject_incref(vs->info); | |
298 | qobject_decref(data); | |
299 | } | |
300 | ||
2b54aa87 | 301 | static VncClientInfo *qmp_query_vnc_client(const VncState *client) |
a9ce8590 | 302 | { |
2b54aa87 LC |
303 | struct sockaddr_storage sa; |
304 | socklen_t salen = sizeof(sa); | |
305 | char host[NI_MAXHOST]; | |
306 | char serv[NI_MAXSERV]; | |
307 | VncClientInfo *info; | |
308 | ||
309 | if (getpeername(client->csock, (struct sockaddr *)&sa, &salen) < 0) { | |
310 | return NULL; | |
311 | } | |
312 | ||
313 | if (getnameinfo((struct sockaddr *)&sa, salen, | |
314 | host, sizeof(host), | |
315 | serv, sizeof(serv), | |
316 | NI_NUMERICHOST | NI_NUMERICSERV) < 0) { | |
317 | return NULL; | |
318 | } | |
d96fd29c | 319 | |
2b54aa87 LC |
320 | info = g_malloc0(sizeof(*info)); |
321 | info->host = g_strdup(host); | |
322 | info->service = g_strdup(serv); | |
323 | info->family = g_strdup(inet_strfamily(sa.ss_family)); | |
d96fd29c LC |
324 | |
325 | #ifdef CONFIG_VNC_TLS | |
2b54aa87 LC |
326 | if (client->tls.session && client->tls.dname) { |
327 | info->has_x509_dname = true; | |
328 | info->x509_dname = g_strdup(client->tls.dname); | |
329 | } | |
d96fd29c LC |
330 | #endif |
331 | #ifdef CONFIG_VNC_SASL | |
2b54aa87 LC |
332 | if (client->sasl.conn && client->sasl.username) { |
333 | info->has_sasl_username = true; | |
334 | info->sasl_username = g_strdup(client->sasl.username); | |
d96fd29c | 335 | } |
2b54aa87 | 336 | #endif |
1ff7df1a | 337 | |
2b54aa87 | 338 | return info; |
d96fd29c | 339 | } |
1ff7df1a | 340 | |
2b54aa87 | 341 | VncInfo *qmp_query_vnc(Error **errp) |
d96fd29c | 342 | { |
2b54aa87 LC |
343 | VncInfo *info = g_malloc0(sizeof(*info)); |
344 | ||
d96fd29c | 345 | if (vnc_display == NULL || vnc_display->display == NULL) { |
2b54aa87 | 346 | info->enabled = false; |
d96fd29c | 347 | } else { |
2b54aa87 LC |
348 | VncClientInfoList *cur_item = NULL; |
349 | struct sockaddr_storage sa; | |
350 | socklen_t salen = sizeof(sa); | |
351 | char host[NI_MAXHOST]; | |
352 | char serv[NI_MAXSERV]; | |
41b4bef6 | 353 | VncState *client; |
1ff7df1a | 354 | |
2b54aa87 LC |
355 | info->enabled = true; |
356 | ||
357 | /* for compatibility with the original command */ | |
358 | info->has_clients = true; | |
359 | ||
41b4bef6 | 360 | QTAILQ_FOREACH(client, &vnc_display->clients, next) { |
2b54aa87 LC |
361 | VncClientInfoList *cinfo = g_malloc0(sizeof(*info)); |
362 | cinfo->value = qmp_query_vnc_client(client); | |
363 | ||
364 | /* XXX: waiting for the qapi to support GSList */ | |
365 | if (!cur_item) { | |
366 | info->clients = cur_item = cinfo; | |
367 | } else { | |
368 | cur_item->next = cinfo; | |
369 | cur_item = cinfo; | |
1ff7df1a | 370 | } |
d96fd29c LC |
371 | } |
372 | ||
2b54aa87 LC |
373 | if (getsockname(vnc_display->lsock, (struct sockaddr *)&sa, |
374 | &salen) == -1) { | |
375 | error_set(errp, QERR_UNDEFINED_ERROR); | |
376 | goto out_error; | |
377 | } | |
d96fd29c | 378 | |
2b54aa87 LC |
379 | if (getnameinfo((struct sockaddr *)&sa, salen, |
380 | host, sizeof(host), | |
381 | serv, sizeof(serv), | |
382 | NI_NUMERICHOST | NI_NUMERICSERV) < 0) { | |
383 | error_set(errp, QERR_UNDEFINED_ERROR); | |
384 | goto out_error; | |
1ff7df1a | 385 | } |
2b54aa87 LC |
386 | |
387 | info->has_host = true; | |
388 | info->host = g_strdup(host); | |
389 | ||
390 | info->has_service = true; | |
391 | info->service = g_strdup(serv); | |
392 | ||
393 | info->has_family = true; | |
394 | info->family = g_strdup(inet_strfamily(sa.ss_family)); | |
395 | ||
396 | info->has_auth = true; | |
397 | info->auth = g_strdup(vnc_auth_name(vnc_display)); | |
a9ce8590 | 398 | } |
2b54aa87 LC |
399 | |
400 | return info; | |
401 | ||
402 | out_error: | |
403 | qapi_free_VncInfo(info); | |
404 | return NULL; | |
a9ce8590 FB |
405 | } |
406 | ||
24236869 FB |
407 | /* TODO |
408 | 1) Get the queue working for IO. | |
409 | 2) there is some weirdness when using the -S option (the screen is grey | |
410 | and not totally invalidated | |
411 | 3) resolutions > 1024 | |
412 | */ | |
413 | ||
2430ffe4 | 414 | static int vnc_update_client(VncState *vs, int has_dirty); |
bd023f95 | 415 | static int vnc_update_client_sync(VncState *vs, int has_dirty); |
198a0039 GH |
416 | static void vnc_disconnect_start(VncState *vs); |
417 | static void vnc_disconnect_finish(VncState *vs); | |
703bc68f SS |
418 | static void vnc_init_timer(VncDisplay *vd); |
419 | static void vnc_remove_timer(VncDisplay *vd); | |
24236869 | 420 | |
753b4053 | 421 | static void vnc_colordepth(VncState *vs); |
1fc62412 SS |
422 | static void framebuffer_update_request(VncState *vs, int incremental, |
423 | int x_position, int y_position, | |
424 | int w, int h); | |
425 | static void vnc_refresh(void *opaque); | |
426 | static int vnc_refresh_server_surface(VncDisplay *vd); | |
7eac3a87 | 427 | |
1fc62412 | 428 | static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h) |
24236869 | 429 | { |
24236869 | 430 | int i; |
1fc62412 SS |
431 | VncDisplay *vd = ds->opaque; |
432 | struct VncSurface *s = &vd->guest; | |
24236869 FB |
433 | |
434 | h += y; | |
435 | ||
0486e8a7 AZ |
436 | /* round x down to ensure the loop only spans one 16-pixel block per, |
437 | iteration. otherwise, if (x % 16) != 0, the last iteration may span | |
438 | two 16-pixel blocks but we only mark the first as dirty | |
439 | */ | |
440 | w += (x % 16); | |
441 | x -= (x % 16); | |
442 | ||
6baebed7 AL |
443 | x = MIN(x, s->ds->width); |
444 | y = MIN(y, s->ds->height); | |
445 | w = MIN(x + w, s->ds->width) - x; | |
446 | h = MIN(h, s->ds->height); | |
788abf8e | 447 | |
24236869 | 448 | for (; y < h; y++) |
28a76be8 | 449 | for (i = 0; i < w; i += 16) |
bc2429b9 | 450 | set_bit((x + i) / 16, s->dirty[y]); |
24236869 FB |
451 | } |
452 | ||
70a4568f CC |
453 | void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, |
454 | int32_t encoding) | |
24236869 FB |
455 | { |
456 | vnc_write_u16(vs, x); | |
457 | vnc_write_u16(vs, y); | |
458 | vnc_write_u16(vs, w); | |
459 | vnc_write_u16(vs, h); | |
460 | ||
461 | vnc_write_s32(vs, encoding); | |
462 | } | |
463 | ||
2f9606b3 | 464 | void buffer_reserve(Buffer *buffer, size_t len) |
89064286 AL |
465 | { |
466 | if ((buffer->capacity - buffer->offset) < len) { | |
28a76be8 | 467 | buffer->capacity += (len + 1024); |
7267c094 | 468 | buffer->buffer = g_realloc(buffer->buffer, buffer->capacity); |
28a76be8 AL |
469 | if (buffer->buffer == NULL) { |
470 | fprintf(stderr, "vnc: out of memory\n"); | |
471 | exit(1); | |
472 | } | |
89064286 AL |
473 | } |
474 | } | |
475 | ||
2f9606b3 | 476 | int buffer_empty(Buffer *buffer) |
89064286 AL |
477 | { |
478 | return buffer->offset == 0; | |
479 | } | |
480 | ||
2f9606b3 | 481 | uint8_t *buffer_end(Buffer *buffer) |
89064286 AL |
482 | { |
483 | return buffer->buffer + buffer->offset; | |
484 | } | |
485 | ||
2f9606b3 | 486 | void buffer_reset(Buffer *buffer) |
89064286 | 487 | { |
28a76be8 | 488 | buffer->offset = 0; |
89064286 AL |
489 | } |
490 | ||
5d418e3b CC |
491 | void buffer_free(Buffer *buffer) |
492 | { | |
7267c094 | 493 | g_free(buffer->buffer); |
5d418e3b CC |
494 | buffer->offset = 0; |
495 | buffer->capacity = 0; | |
496 | buffer->buffer = NULL; | |
497 | } | |
498 | ||
2f9606b3 | 499 | void buffer_append(Buffer *buffer, const void *data, size_t len) |
89064286 AL |
500 | { |
501 | memcpy(buffer->buffer + buffer->offset, data, len); | |
502 | buffer->offset += len; | |
503 | } | |
504 | ||
621aaeb9 GH |
505 | static void vnc_desktop_resize(VncState *vs) |
506 | { | |
507 | DisplayState *ds = vs->ds; | |
508 | ||
509 | if (vs->csock == -1 || !vnc_has_feature(vs, VNC_FEATURE_RESIZE)) { | |
510 | return; | |
511 | } | |
1d4b638a GH |
512 | if (vs->client_width == ds_get_width(ds) && |
513 | vs->client_height == ds_get_height(ds)) { | |
514 | return; | |
515 | } | |
5862d195 GH |
516 | vs->client_width = ds_get_width(ds); |
517 | vs->client_height = ds_get_height(ds); | |
bd023f95 | 518 | vnc_lock_output(vs); |
621aaeb9 GH |
519 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
520 | vnc_write_u8(vs, 0); | |
521 | vnc_write_u16(vs, 1); /* number of rects */ | |
5862d195 | 522 | vnc_framebuffer_update(vs, 0, 0, vs->client_width, vs->client_height, |
621aaeb9 | 523 | VNC_ENCODING_DESKTOPRESIZE); |
bd023f95 | 524 | vnc_unlock_output(vs); |
621aaeb9 GH |
525 | vnc_flush(vs); |
526 | } | |
527 | ||
bd023f95 CC |
528 | #ifdef CONFIG_VNC_THREAD |
529 | static void vnc_abort_display_jobs(VncDisplay *vd) | |
530 | { | |
531 | VncState *vs; | |
532 | ||
533 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
534 | vnc_lock_output(vs); | |
535 | vs->abort = true; | |
536 | vnc_unlock_output(vs); | |
537 | } | |
538 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
539 | vnc_jobs_join(vs); | |
540 | } | |
541 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
542 | vnc_lock_output(vs); | |
543 | vs->abort = false; | |
544 | vnc_unlock_output(vs); | |
545 | } | |
546 | } | |
547 | #else | |
548 | static void vnc_abort_display_jobs(VncDisplay *vd) | |
549 | { | |
550 | } | |
551 | #endif | |
552 | ||
1fc62412 | 553 | static void vnc_dpy_resize(DisplayState *ds) |
24236869 | 554 | { |
1fc62412 | 555 | VncDisplay *vd = ds->opaque; |
41b4bef6 | 556 | VncState *vs; |
1fc62412 | 557 | |
bd023f95 CC |
558 | vnc_abort_display_jobs(vd); |
559 | ||
1fc62412 SS |
560 | /* server surface */ |
561 | if (!vd->server) | |
7267c094 | 562 | vd->server = g_malloc0(sizeof(*vd->server)); |
1fc62412 | 563 | if (vd->server->data) |
7267c094 | 564 | g_free(vd->server->data); |
1fc62412 | 565 | *(vd->server) = *(ds->surface); |
7267c094 | 566 | vd->server->data = g_malloc0(vd->server->linesize * |
1fc62412 | 567 | vd->server->height); |
24236869 | 568 | |
6baebed7 | 569 | /* guest surface */ |
1fc62412 | 570 | if (!vd->guest.ds) |
7267c094 | 571 | vd->guest.ds = g_malloc0(sizeof(*vd->guest.ds)); |
1fc62412 | 572 | if (ds_get_bytes_per_pixel(ds) != vd->guest.ds->pf.bytes_per_pixel) |
a528b80c | 573 | console_color_init(ds); |
1fc62412 SS |
574 | *(vd->guest.ds) = *(ds->surface); |
575 | memset(vd->guest.dirty, 0xFF, sizeof(vd->guest.dirty)); | |
24236869 | 576 | |
41b4bef6 | 577 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
1fc62412 | 578 | vnc_colordepth(vs); |
1d4b638a | 579 | vnc_desktop_resize(vs); |
d467b679 GH |
580 | if (vs->vd->cursor) { |
581 | vnc_cursor_define(vs); | |
582 | } | |
1fc62412 | 583 | memset(vs->dirty, 0xFF, sizeof(vs->dirty)); |
753b4053 AL |
584 | } |
585 | } | |
586 | ||
3512779a | 587 | /* fastest code */ |
d467b679 GH |
588 | static void vnc_write_pixels_copy(VncState *vs, struct PixelFormat *pf, |
589 | void *pixels, int size) | |
3512779a FB |
590 | { |
591 | vnc_write(vs, pixels, size); | |
592 | } | |
593 | ||
594 | /* slowest but generic code. */ | |
70a4568f | 595 | void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v) |
3512779a | 596 | { |
7eac3a87 | 597 | uint8_t r, g, b; |
1fc62412 SS |
598 | VncDisplay *vd = vs->vd; |
599 | ||
600 | r = ((((v & vd->server->pf.rmask) >> vd->server->pf.rshift) << vs->clientds.pf.rbits) >> | |
601 | vd->server->pf.rbits); | |
602 | g = ((((v & vd->server->pf.gmask) >> vd->server->pf.gshift) << vs->clientds.pf.gbits) >> | |
603 | vd->server->pf.gbits); | |
604 | b = ((((v & vd->server->pf.bmask) >> vd->server->pf.bshift) << vs->clientds.pf.bbits) >> | |
605 | vd->server->pf.bbits); | |
6cec5487 AL |
606 | v = (r << vs->clientds.pf.rshift) | |
607 | (g << vs->clientds.pf.gshift) | | |
608 | (b << vs->clientds.pf.bshift); | |
609 | switch(vs->clientds.pf.bytes_per_pixel) { | |
3512779a FB |
610 | case 1: |
611 | buf[0] = v; | |
612 | break; | |
613 | case 2: | |
6cec5487 | 614 | if (vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) { |
3512779a FB |
615 | buf[0] = v >> 8; |
616 | buf[1] = v; | |
617 | } else { | |
618 | buf[1] = v >> 8; | |
619 | buf[0] = v; | |
620 | } | |
621 | break; | |
622 | default: | |
623 | case 4: | |
6cec5487 | 624 | if (vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) { |
3512779a FB |
625 | buf[0] = v >> 24; |
626 | buf[1] = v >> 16; | |
627 | buf[2] = v >> 8; | |
628 | buf[3] = v; | |
629 | } else { | |
630 | buf[3] = v >> 24; | |
631 | buf[2] = v >> 16; | |
632 | buf[1] = v >> 8; | |
633 | buf[0] = v; | |
634 | } | |
635 | break; | |
636 | } | |
637 | } | |
638 | ||
d467b679 GH |
639 | static void vnc_write_pixels_generic(VncState *vs, struct PixelFormat *pf, |
640 | void *pixels1, int size) | |
3512779a | 641 | { |
3512779a | 642 | uint8_t buf[4]; |
3512779a | 643 | |
d467b679 | 644 | if (pf->bytes_per_pixel == 4) { |
7eac3a87 AL |
645 | uint32_t *pixels = pixels1; |
646 | int n, i; | |
647 | n = size >> 2; | |
648 | for(i = 0; i < n; i++) { | |
649 | vnc_convert_pixel(vs, buf, pixels[i]); | |
6cec5487 | 650 | vnc_write(vs, buf, vs->clientds.pf.bytes_per_pixel); |
7eac3a87 | 651 | } |
d467b679 | 652 | } else if (pf->bytes_per_pixel == 2) { |
7eac3a87 AL |
653 | uint16_t *pixels = pixels1; |
654 | int n, i; | |
655 | n = size >> 1; | |
656 | for(i = 0; i < n; i++) { | |
657 | vnc_convert_pixel(vs, buf, pixels[i]); | |
6cec5487 | 658 | vnc_write(vs, buf, vs->clientds.pf.bytes_per_pixel); |
7eac3a87 | 659 | } |
d467b679 | 660 | } else if (pf->bytes_per_pixel == 1) { |
7eac3a87 AL |
661 | uint8_t *pixels = pixels1; |
662 | int n, i; | |
663 | n = size; | |
664 | for(i = 0; i < n; i++) { | |
665 | vnc_convert_pixel(vs, buf, pixels[i]); | |
6cec5487 | 666 | vnc_write(vs, buf, vs->clientds.pf.bytes_per_pixel); |
7eac3a87 AL |
667 | } |
668 | } else { | |
669 | fprintf(stderr, "vnc_write_pixels_generic: VncState color depth not supported\n"); | |
3512779a FB |
670 | } |
671 | } | |
672 | ||
a885211e | 673 | int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h) |
24236869 FB |
674 | { |
675 | int i; | |
60fe76f3 | 676 | uint8_t *row; |
1fc62412 | 677 | VncDisplay *vd = vs->vd; |
24236869 | 678 | |
1fc62412 | 679 | row = vd->server->data + y * ds_get_linesize(vs->ds) + x * ds_get_bytes_per_pixel(vs->ds); |
24236869 | 680 | for (i = 0; i < h; i++) { |
d467b679 | 681 | vs->write_pixels(vs, &vd->server->pf, row, w * ds_get_bytes_per_pixel(vs->ds)); |
28a76be8 | 682 | row += ds_get_linesize(vs->ds); |
24236869 | 683 | } |
a885211e | 684 | return 1; |
24236869 FB |
685 | } |
686 | ||
bd023f95 | 687 | int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h) |
24236869 | 688 | { |
a885211e CC |
689 | int n = 0; |
690 | ||
fb437313 | 691 | switch(vs->vnc_encoding) { |
28a76be8 | 692 | case VNC_ENCODING_ZLIB: |
a885211e | 693 | n = vnc_zlib_send_framebuffer_update(vs, x, y, w, h); |
28a76be8 AL |
694 | break; |
695 | case VNC_ENCODING_HEXTILE: | |
696 | vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_HEXTILE); | |
a885211e | 697 | n = vnc_hextile_send_framebuffer_update(vs, x, y, w, h); |
28a76be8 | 698 | break; |
380282b0 CC |
699 | case VNC_ENCODING_TIGHT: |
700 | n = vnc_tight_send_framebuffer_update(vs, x, y, w, h); | |
701 | break; | |
efe556ad CC |
702 | case VNC_ENCODING_TIGHT_PNG: |
703 | n = vnc_tight_png_send_framebuffer_update(vs, x, y, w, h); | |
704 | break; | |
148954fa CC |
705 | case VNC_ENCODING_ZRLE: |
706 | n = vnc_zrle_send_framebuffer_update(vs, x, y, w, h); | |
707 | break; | |
708 | case VNC_ENCODING_ZYWRLE: | |
709 | n = vnc_zywrle_send_framebuffer_update(vs, x, y, w, h); | |
710 | break; | |
28a76be8 AL |
711 | default: |
712 | vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_RAW); | |
a885211e | 713 | n = vnc_raw_send_framebuffer_update(vs, x, y, w, h); |
28a76be8 | 714 | break; |
fb437313 | 715 | } |
a885211e | 716 | return n; |
24236869 FB |
717 | } |
718 | ||
753b4053 | 719 | static void vnc_copy(VncState *vs, int src_x, int src_y, int dst_x, int dst_y, int w, int h) |
24236869 | 720 | { |
3e28c9ad | 721 | /* send bitblit op to the vnc client */ |
bd023f95 | 722 | vnc_lock_output(vs); |
46a183da | 723 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
24236869 FB |
724 | vnc_write_u8(vs, 0); |
725 | vnc_write_u16(vs, 1); /* number of rects */ | |
29fa4ed9 | 726 | vnc_framebuffer_update(vs, dst_x, dst_y, w, h, VNC_ENCODING_COPYRECT); |
24236869 FB |
727 | vnc_write_u16(vs, src_x); |
728 | vnc_write_u16(vs, src_y); | |
bd023f95 | 729 | vnc_unlock_output(vs); |
24236869 FB |
730 | vnc_flush(vs); |
731 | } | |
732 | ||
753b4053 AL |
733 | static void vnc_dpy_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int dst_y, int w, int h) |
734 | { | |
735 | VncDisplay *vd = ds->opaque; | |
198a0039 | 736 | VncState *vs, *vn; |
1fc62412 SS |
737 | uint8_t *src_row; |
738 | uint8_t *dst_row; | |
739 | int i,x,y,pitch,depth,inc,w_lim,s; | |
740 | int cmp_bytes; | |
198a0039 | 741 | |
1fc62412 | 742 | vnc_refresh_server_surface(vd); |
41b4bef6 | 743 | QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) { |
198a0039 GH |
744 | if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) { |
745 | vs->force_update = 1; | |
bd023f95 | 746 | vnc_update_client_sync(vs, 1); |
198a0039 GH |
747 | /* vs might be free()ed here */ |
748 | } | |
749 | } | |
750 | ||
1fc62412 SS |
751 | /* do bitblit op on the local surface too */ |
752 | pitch = ds_get_linesize(vd->ds); | |
753 | depth = ds_get_bytes_per_pixel(vd->ds); | |
754 | src_row = vd->server->data + pitch * src_y + depth * src_x; | |
755 | dst_row = vd->server->data + pitch * dst_y + depth * dst_x; | |
756 | y = dst_y; | |
757 | inc = 1; | |
758 | if (dst_y > src_y) { | |
759 | /* copy backwards */ | |
760 | src_row += pitch * (h-1); | |
761 | dst_row += pitch * (h-1); | |
762 | pitch = -pitch; | |
763 | y = dst_y + h - 1; | |
764 | inc = -1; | |
765 | } | |
766 | w_lim = w - (16 - (dst_x % 16)); | |
767 | if (w_lim < 0) | |
768 | w_lim = w; | |
769 | else | |
770 | w_lim = w - (w_lim % 16); | |
771 | for (i = 0; i < h; i++) { | |
772 | for (x = 0; x <= w_lim; | |
773 | x += s, src_row += cmp_bytes, dst_row += cmp_bytes) { | |
774 | if (x == w_lim) { | |
775 | if ((s = w - w_lim) == 0) | |
776 | break; | |
777 | } else if (!x) { | |
778 | s = (16 - (dst_x % 16)); | |
779 | s = MIN(s, w_lim); | |
780 | } else { | |
781 | s = 16; | |
782 | } | |
783 | cmp_bytes = s * depth; | |
784 | if (memcmp(src_row, dst_row, cmp_bytes) == 0) | |
785 | continue; | |
786 | memmove(dst_row, src_row, cmp_bytes); | |
41b4bef6 AS |
787 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
788 | if (!vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) { | |
bc2429b9 | 789 | set_bit(((x + dst_x) / 16), vs->dirty[y]); |
41b4bef6 | 790 | } |
1fc62412 SS |
791 | } |
792 | } | |
793 | src_row += pitch - w * depth; | |
794 | dst_row += pitch - w * depth; | |
795 | y += inc; | |
796 | } | |
797 | ||
41b4bef6 AS |
798 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
799 | if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) { | |
753b4053 | 800 | vnc_copy(vs, src_x, src_y, dst_x, dst_y, w, h); |
41b4bef6 | 801 | } |
753b4053 AL |
802 | } |
803 | } | |
804 | ||
d467b679 GH |
805 | static void vnc_mouse_set(int x, int y, int visible) |
806 | { | |
807 | /* can we ask the client(s) to move the pointer ??? */ | |
808 | } | |
809 | ||
810 | static int vnc_cursor_define(VncState *vs) | |
811 | { | |
812 | QEMUCursor *c = vs->vd->cursor; | |
813 | PixelFormat pf = qemu_default_pixelformat(32); | |
814 | int isize; | |
815 | ||
816 | if (vnc_has_feature(vs, VNC_FEATURE_RICH_CURSOR)) { | |
d01f9595 | 817 | vnc_lock_output(vs); |
d467b679 GH |
818 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
819 | vnc_write_u8(vs, 0); /* padding */ | |
820 | vnc_write_u16(vs, 1); /* # of rects */ | |
821 | vnc_framebuffer_update(vs, c->hot_x, c->hot_y, c->width, c->height, | |
822 | VNC_ENCODING_RICH_CURSOR); | |
823 | isize = c->width * c->height * vs->clientds.pf.bytes_per_pixel; | |
824 | vnc_write_pixels_generic(vs, &pf, c->data, isize); | |
825 | vnc_write(vs, vs->vd->cursor_mask, vs->vd->cursor_msize); | |
d01f9595 | 826 | vnc_unlock_output(vs); |
d467b679 GH |
827 | return 0; |
828 | } | |
829 | return -1; | |
830 | } | |
831 | ||
832 | static void vnc_dpy_cursor_define(QEMUCursor *c) | |
833 | { | |
834 | VncDisplay *vd = vnc_display; | |
835 | VncState *vs; | |
836 | ||
837 | cursor_put(vd->cursor); | |
7267c094 | 838 | g_free(vd->cursor_mask); |
d467b679 GH |
839 | |
840 | vd->cursor = c; | |
841 | cursor_get(vd->cursor); | |
842 | vd->cursor_msize = cursor_get_mono_bpl(c) * c->height; | |
7267c094 | 843 | vd->cursor_mask = g_malloc0(vd->cursor_msize); |
d467b679 GH |
844 | cursor_get_mono_mask(c, 0, vd->cursor_mask); |
845 | ||
846 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
847 | vnc_cursor_define(vs); | |
848 | } | |
849 | } | |
850 | ||
1fc62412 | 851 | static int find_and_clear_dirty_height(struct VncState *vs, |
6c71a539 | 852 | int y, int last_x, int x, int height) |
24236869 FB |
853 | { |
854 | int h; | |
855 | ||
6c71a539 | 856 | for (h = 1; h < (height - y); h++) { |
28a76be8 | 857 | int tmp_x; |
bc2429b9 | 858 | if (!test_bit(last_x, vs->dirty[y + h])) { |
28a76be8 | 859 | break; |
bc2429b9 CC |
860 | } |
861 | for (tmp_x = last_x; tmp_x < x; tmp_x++) { | |
862 | clear_bit(tmp_x, vs->dirty[y + h]); | |
863 | } | |
24236869 FB |
864 | } |
865 | ||
866 | return h; | |
867 | } | |
868 | ||
bd023f95 CC |
869 | #ifdef CONFIG_VNC_THREAD |
870 | static int vnc_update_client_sync(VncState *vs, int has_dirty) | |
871 | { | |
872 | int ret = vnc_update_client(vs, has_dirty); | |
873 | vnc_jobs_join(vs); | |
874 | return ret; | |
875 | } | |
876 | #else | |
877 | static int vnc_update_client_sync(VncState *vs, int has_dirty) | |
878 | { | |
879 | return vnc_update_client(vs, has_dirty); | |
880 | } | |
881 | #endif | |
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 | |
847ce6a1 GH |
908 | width = MIN(vd->server->width, vs->client_width); |
909 | height = MIN(vd->server->height, vs->client_height); | |
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 | ||
1029 | static void vnc_disconnect_finish(VncState *vs) | |
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); | |
4a80dba3 LC |
1040 | |
1041 | qobject_decref(vs->info); | |
1042 | ||
161c4f20 | 1043 | vnc_zlib_clear(vs); |
380282b0 | 1044 | vnc_tight_clear(vs); |
148954fa | 1045 | vnc_zrle_clear(vs); |
161c4f20 | 1046 | |
198a0039 GH |
1047 | #ifdef CONFIG_VNC_TLS |
1048 | vnc_tls_client_cleanup(vs); | |
1049 | #endif /* CONFIG_VNC_TLS */ | |
1050 | #ifdef CONFIG_VNC_SASL | |
1051 | vnc_sasl_client_cleanup(vs); | |
1052 | #endif /* CONFIG_VNC_SASL */ | |
1053 | audio_del(vs); | |
1054 | ||
41b4bef6 AS |
1055 | QTAILQ_REMOVE(&vs->vd->clients, vs, next); |
1056 | ||
1057 | if (QTAILQ_EMPTY(&vs->vd->clients)) { | |
198a0039 | 1058 | dcl->idle = 1; |
41b4bef6 | 1059 | } |
198a0039 | 1060 | |
37c34d9d | 1061 | qemu_remove_mouse_mode_change_notifier(&vs->mouse_mode_notifier); |
703bc68f | 1062 | vnc_remove_timer(vs->vd); |
3a0558b5 GH |
1063 | if (vs->vd->lock_key_sync) |
1064 | qemu_remove_led_event_handler(vs->led); | |
bd023f95 CC |
1065 | vnc_unlock_output(vs); |
1066 | ||
1067 | #ifdef CONFIG_VNC_THREAD | |
1068 | qemu_mutex_destroy(&vs->output_mutex); | |
1069 | #endif | |
7d964c9d | 1070 | for (i = 0; i < VNC_STAT_ROWS; ++i) { |
7267c094 | 1071 | g_free(vs->lossy_rect[i]); |
7d964c9d | 1072 | } |
7267c094 AL |
1073 | g_free(vs->lossy_rect); |
1074 | g_free(vs); | |
198a0039 | 1075 | } |
2f9606b3 AL |
1076 | |
1077 | int vnc_client_io_error(VncState *vs, int ret, int last_errno) | |
24236869 FB |
1078 | { |
1079 | if (ret == 0 || ret == -1) { | |
ea01e5fd AZ |
1080 | if (ret == -1) { |
1081 | switch (last_errno) { | |
1082 | case EINTR: | |
1083 | case EAGAIN: | |
1084 | #ifdef _WIN32 | |
1085 | case WSAEWOULDBLOCK: | |
1086 | #endif | |
1087 | return 0; | |
1088 | default: | |
1089 | break; | |
1090 | } | |
1091 | } | |
24236869 | 1092 | |
198a0039 GH |
1093 | VNC_DEBUG("Closing down client sock: ret %d, errno %d\n", |
1094 | ret, ret < 0 ? last_errno : 0); | |
1095 | vnc_disconnect_start(vs); | |
6baebed7 | 1096 | |
28a76be8 | 1097 | return 0; |
24236869 FB |
1098 | } |
1099 | return ret; | |
1100 | } | |
1101 | ||
5fb6c7a8 AL |
1102 | |
1103 | void vnc_client_error(VncState *vs) | |
24236869 | 1104 | { |
198a0039 GH |
1105 | VNC_DEBUG("Closing down client sock: protocol error\n"); |
1106 | vnc_disconnect_start(vs); | |
24236869 FB |
1107 | } |
1108 | ||
2f9606b3 AL |
1109 | |
1110 | /* | |
1111 | * Called to write a chunk of data to the client socket. The data may | |
1112 | * be the raw data, or may have already been encoded by SASL. | |
1113 | * The data will be written either straight onto the socket, or | |
1114 | * written via the GNUTLS wrappers, if TLS/SSL encryption is enabled | |
1115 | * | |
1116 | * NB, it is theoretically possible to have 2 layers of encryption, | |
1117 | * both SASL, and this TLS layer. It is highly unlikely in practice | |
1118 | * though, since SASL encryption will typically be a no-op if TLS | |
1119 | * is active | |
1120 | * | |
1121 | * Returns the number of bytes written, which may be less than | |
1122 | * the requested 'datalen' if the socket would block. Returns | |
1123 | * -1 on error, and disconnects the client socket. | |
1124 | */ | |
1125 | long vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen) | |
24236869 | 1126 | { |
ceb5caaf | 1127 | long ret; |
eb38c52c | 1128 | #ifdef CONFIG_VNC_TLS |
5fb6c7a8 | 1129 | if (vs->tls.session) { |
28a76be8 AL |
1130 | ret = gnutls_write(vs->tls.session, data, datalen); |
1131 | if (ret < 0) { | |
1132 | if (ret == GNUTLS_E_AGAIN) | |
1133 | errno = EAGAIN; | |
1134 | else | |
1135 | errno = EIO; | |
1136 | ret = -1; | |
1137 | } | |
8d5d2d4c TS |
1138 | } else |
1139 | #endif /* CONFIG_VNC_TLS */ | |
70503264 | 1140 | ret = send(vs->csock, (const void *)data, datalen, 0); |
23decc87 | 1141 | VNC_DEBUG("Wrote wire %p %zd -> %ld\n", data, datalen, ret); |
2f9606b3 AL |
1142 | return vnc_client_io_error(vs, ret, socket_error()); |
1143 | } | |
1144 | ||
1145 | ||
1146 | /* | |
1147 | * Called to write buffered data to the client socket, when not | |
1148 | * using any SASL SSF encryption layers. Will write as much data | |
1149 | * as possible without blocking. If all buffered data is written, | |
1150 | * will switch the FD poll() handler back to read monitoring. | |
1151 | * | |
1152 | * Returns the number of bytes written, which may be less than | |
1153 | * the buffered output data if the socket would block. Returns | |
1154 | * -1 on error, and disconnects the client socket. | |
1155 | */ | |
1156 | static long vnc_client_write_plain(VncState *vs) | |
1157 | { | |
1158 | long ret; | |
1159 | ||
1160 | #ifdef CONFIG_VNC_SASL | |
23decc87 | 1161 | VNC_DEBUG("Write Plain: Pending output %p size %zd offset %zd. Wait SSF %d\n", |
2f9606b3 AL |
1162 | vs->output.buffer, vs->output.capacity, vs->output.offset, |
1163 | vs->sasl.waitWriteSSF); | |
1164 | ||
1165 | if (vs->sasl.conn && | |
1166 | vs->sasl.runSSF && | |
1167 | vs->sasl.waitWriteSSF) { | |
1168 | ret = vnc_client_write_buf(vs, vs->output.buffer, vs->sasl.waitWriteSSF); | |
1169 | if (ret) | |
1170 | vs->sasl.waitWriteSSF -= ret; | |
1171 | } else | |
1172 | #endif /* CONFIG_VNC_SASL */ | |
1173 | ret = vnc_client_write_buf(vs, vs->output.buffer, vs->output.offset); | |
24236869 | 1174 | if (!ret) |
2f9606b3 | 1175 | return 0; |
24236869 FB |
1176 | |
1177 | memmove(vs->output.buffer, vs->output.buffer + ret, (vs->output.offset - ret)); | |
1178 | vs->output.offset -= ret; | |
1179 | ||
1180 | if (vs->output.offset == 0) { | |
28a76be8 | 1181 | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); |
24236869 | 1182 | } |
2f9606b3 AL |
1183 | |
1184 | return ret; | |
1185 | } | |
1186 | ||
1187 | ||
1188 | /* | |
1189 | * First function called whenever there is data to be written to | |
1190 | * the client socket. Will delegate actual work according to whether | |
1191 | * SASL SSF layers are enabled (thus requiring encryption calls) | |
1192 | */ | |
bd023f95 | 1193 | static void vnc_client_write_locked(void *opaque) |
2f9606b3 | 1194 | { |
2f9606b3 AL |
1195 | VncState *vs = opaque; |
1196 | ||
1197 | #ifdef CONFIG_VNC_SASL | |
1198 | if (vs->sasl.conn && | |
1199 | vs->sasl.runSSF && | |
9678d950 BS |
1200 | !vs->sasl.waitWriteSSF) { |
1201 | vnc_client_write_sasl(vs); | |
1202 | } else | |
2f9606b3 | 1203 | #endif /* CONFIG_VNC_SASL */ |
9678d950 | 1204 | vnc_client_write_plain(vs); |
24236869 FB |
1205 | } |
1206 | ||
bd023f95 CC |
1207 | void vnc_client_write(void *opaque) |
1208 | { | |
1209 | VncState *vs = opaque; | |
1210 | ||
1211 | vnc_lock_output(vs); | |
1212 | if (vs->output.offset) { | |
1213 | vnc_client_write_locked(opaque); | |
ac71103d | 1214 | } else if (vs->csock != -1) { |
bd023f95 CC |
1215 | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); |
1216 | } | |
1217 | vnc_unlock_output(vs); | |
1218 | } | |
1219 | ||
5fb6c7a8 | 1220 | void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting) |
24236869 FB |
1221 | { |
1222 | vs->read_handler = func; | |
1223 | vs->read_handler_expect = expecting; | |
1224 | } | |
1225 | ||
2f9606b3 AL |
1226 | |
1227 | /* | |
1228 | * Called to read a chunk of data from the client socket. The data may | |
1229 | * be the raw data, or may need to be further decoded by SASL. | |
1230 | * The data will be read either straight from to the socket, or | |
1231 | * read via the GNUTLS wrappers, if TLS/SSL encryption is enabled | |
1232 | * | |
1233 | * NB, it is theoretically possible to have 2 layers of encryption, | |
1234 | * both SASL, and this TLS layer. It is highly unlikely in practice | |
1235 | * though, since SASL encryption will typically be a no-op if TLS | |
1236 | * is active | |
1237 | * | |
1238 | * Returns the number of bytes read, which may be less than | |
1239 | * the requested 'datalen' if the socket would block. Returns | |
1240 | * -1 on error, and disconnects the client socket. | |
1241 | */ | |
1242 | long vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen) | |
24236869 | 1243 | { |
ceb5caaf | 1244 | long ret; |
eb38c52c | 1245 | #ifdef CONFIG_VNC_TLS |
5fb6c7a8 | 1246 | if (vs->tls.session) { |
28a76be8 AL |
1247 | ret = gnutls_read(vs->tls.session, data, datalen); |
1248 | if (ret < 0) { | |
1249 | if (ret == GNUTLS_E_AGAIN) | |
1250 | errno = EAGAIN; | |
1251 | else | |
1252 | errno = EIO; | |
1253 | ret = -1; | |
1254 | } | |
8d5d2d4c TS |
1255 | } else |
1256 | #endif /* CONFIG_VNC_TLS */ | |
00aa0040 | 1257 | ret = qemu_recv(vs->csock, data, datalen, 0); |
23decc87 | 1258 | VNC_DEBUG("Read wire %p %zd -> %ld\n", data, datalen, ret); |
2f9606b3 AL |
1259 | return vnc_client_io_error(vs, ret, socket_error()); |
1260 | } | |
24236869 | 1261 | |
2f9606b3 AL |
1262 | |
1263 | /* | |
1264 | * Called to read data from the client socket to the input buffer, | |
1265 | * when not using any SASL SSF encryption layers. Will read as much | |
1266 | * data as possible without blocking. | |
1267 | * | |
1268 | * Returns the number of bytes read. Returns -1 on error, and | |
1269 | * disconnects the client socket. | |
1270 | */ | |
1271 | static long vnc_client_read_plain(VncState *vs) | |
1272 | { | |
1273 | int ret; | |
23decc87 | 1274 | VNC_DEBUG("Read plain %p size %zd offset %zd\n", |
2f9606b3 AL |
1275 | vs->input.buffer, vs->input.capacity, vs->input.offset); |
1276 | buffer_reserve(&vs->input, 4096); | |
1277 | ret = vnc_client_read_buf(vs, buffer_end(&vs->input), 4096); | |
1278 | if (!ret) | |
1279 | return 0; | |
24236869 | 1280 | vs->input.offset += ret; |
2f9606b3 AL |
1281 | return ret; |
1282 | } | |
1283 | ||
1284 | ||
1285 | /* | |
1286 | * First function called whenever there is more data to be read from | |
1287 | * the client socket. Will delegate actual work according to whether | |
1288 | * SASL SSF layers are enabled (thus requiring decryption calls) | |
1289 | */ | |
1290 | void vnc_client_read(void *opaque) | |
1291 | { | |
1292 | VncState *vs = opaque; | |
1293 | long ret; | |
1294 | ||
1295 | #ifdef CONFIG_VNC_SASL | |
1296 | if (vs->sasl.conn && vs->sasl.runSSF) | |
1297 | ret = vnc_client_read_sasl(vs); | |
1298 | else | |
1299 | #endif /* CONFIG_VNC_SASL */ | |
1300 | ret = vnc_client_read_plain(vs); | |
198a0039 GH |
1301 | if (!ret) { |
1302 | if (vs->csock == -1) | |
1303 | vnc_disconnect_finish(vs); | |
28a76be8 | 1304 | return; |
198a0039 | 1305 | } |
24236869 FB |
1306 | |
1307 | while (vs->read_handler && vs->input.offset >= vs->read_handler_expect) { | |
28a76be8 AL |
1308 | size_t len = vs->read_handler_expect; |
1309 | int ret; | |
1310 | ||
1311 | ret = vs->read_handler(vs, vs->input.buffer, len); | |
198a0039 GH |
1312 | if (vs->csock == -1) { |
1313 | vnc_disconnect_finish(vs); | |
28a76be8 | 1314 | return; |
198a0039 | 1315 | } |
28a76be8 AL |
1316 | |
1317 | if (!ret) { | |
1318 | memmove(vs->input.buffer, vs->input.buffer + len, (vs->input.offset - len)); | |
1319 | vs->input.offset -= len; | |
1320 | } else { | |
1321 | vs->read_handler_expect = ret; | |
1322 | } | |
24236869 FB |
1323 | } |
1324 | } | |
1325 | ||
5fb6c7a8 | 1326 | void vnc_write(VncState *vs, const void *data, size_t len) |
24236869 FB |
1327 | { |
1328 | buffer_reserve(&vs->output, len); | |
1329 | ||
198a0039 | 1330 | if (vs->csock != -1 && buffer_empty(&vs->output)) { |
28a76be8 | 1331 | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs); |
24236869 FB |
1332 | } |
1333 | ||
1334 | buffer_append(&vs->output, data, len); | |
1335 | } | |
1336 | ||
5fb6c7a8 | 1337 | void vnc_write_s32(VncState *vs, int32_t value) |
24236869 FB |
1338 | { |
1339 | vnc_write_u32(vs, *(uint32_t *)&value); | |
1340 | } | |
1341 | ||
5fb6c7a8 | 1342 | void vnc_write_u32(VncState *vs, uint32_t value) |
24236869 FB |
1343 | { |
1344 | uint8_t buf[4]; | |
1345 | ||
1346 | buf[0] = (value >> 24) & 0xFF; | |
1347 | buf[1] = (value >> 16) & 0xFF; | |
1348 | buf[2] = (value >> 8) & 0xFF; | |
1349 | buf[3] = value & 0xFF; | |
1350 | ||
1351 | vnc_write(vs, buf, 4); | |
1352 | } | |
1353 | ||
5fb6c7a8 | 1354 | void vnc_write_u16(VncState *vs, uint16_t value) |
24236869 | 1355 | { |
64f5a135 | 1356 | uint8_t buf[2]; |
24236869 FB |
1357 | |
1358 | buf[0] = (value >> 8) & 0xFF; | |
1359 | buf[1] = value & 0xFF; | |
1360 | ||
1361 | vnc_write(vs, buf, 2); | |
1362 | } | |
1363 | ||
5fb6c7a8 | 1364 | void vnc_write_u8(VncState *vs, uint8_t value) |
24236869 FB |
1365 | { |
1366 | vnc_write(vs, (char *)&value, 1); | |
1367 | } | |
1368 | ||
5fb6c7a8 | 1369 | void vnc_flush(VncState *vs) |
24236869 | 1370 | { |
bd023f95 CC |
1371 | vnc_lock_output(vs); |
1372 | if (vs->csock != -1 && vs->output.offset) { | |
1373 | vnc_client_write_locked(vs); | |
1374 | } | |
1375 | vnc_unlock_output(vs); | |
24236869 FB |
1376 | } |
1377 | ||
5fb6c7a8 | 1378 | uint8_t read_u8(uint8_t *data, size_t offset) |
24236869 FB |
1379 | { |
1380 | return data[offset]; | |
1381 | } | |
1382 | ||
5fb6c7a8 | 1383 | uint16_t read_u16(uint8_t *data, size_t offset) |
24236869 FB |
1384 | { |
1385 | return ((data[offset] & 0xFF) << 8) | (data[offset + 1] & 0xFF); | |
1386 | } | |
1387 | ||
5fb6c7a8 | 1388 | int32_t read_s32(uint8_t *data, size_t offset) |
24236869 FB |
1389 | { |
1390 | return (int32_t)((data[offset] << 24) | (data[offset + 1] << 16) | | |
28a76be8 | 1391 | (data[offset + 2] << 8) | data[offset + 3]); |
24236869 FB |
1392 | } |
1393 | ||
5fb6c7a8 | 1394 | uint32_t read_u32(uint8_t *data, size_t offset) |
24236869 FB |
1395 | { |
1396 | return ((data[offset] << 24) | (data[offset + 1] << 16) | | |
28a76be8 | 1397 | (data[offset + 2] << 8) | data[offset + 3]); |
24236869 FB |
1398 | } |
1399 | ||
60fe76f3 | 1400 | static void client_cut_text(VncState *vs, size_t len, uint8_t *text) |
24236869 FB |
1401 | { |
1402 | } | |
1403 | ||
9e8dd451 | 1404 | static void check_pointer_type_change(Notifier *notifier, void *data) |
564c337e | 1405 | { |
37c34d9d AL |
1406 | VncState *vs = container_of(notifier, VncState, mouse_mode_notifier); |
1407 | int absolute = kbd_mouse_is_absolute(); | |
1408 | ||
29fa4ed9 | 1409 | if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE) && vs->absolute != absolute) { |
bd023f95 | 1410 | vnc_lock_output(vs); |
46a183da | 1411 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
28a76be8 AL |
1412 | vnc_write_u8(vs, 0); |
1413 | vnc_write_u16(vs, 1); | |
1414 | vnc_framebuffer_update(vs, absolute, 0, | |
1415 | ds_get_width(vs->ds), ds_get_height(vs->ds), | |
29fa4ed9 | 1416 | VNC_ENCODING_POINTER_TYPE_CHANGE); |
bd023f95 | 1417 | vnc_unlock_output(vs); |
28a76be8 | 1418 | vnc_flush(vs); |
564c337e FB |
1419 | } |
1420 | vs->absolute = absolute; | |
1421 | } | |
1422 | ||
24236869 FB |
1423 | static void pointer_event(VncState *vs, int button_mask, int x, int y) |
1424 | { | |
1425 | int buttons = 0; | |
1426 | int dz = 0; | |
1427 | ||
1428 | if (button_mask & 0x01) | |
28a76be8 | 1429 | buttons |= MOUSE_EVENT_LBUTTON; |
24236869 | 1430 | if (button_mask & 0x02) |
28a76be8 | 1431 | buttons |= MOUSE_EVENT_MBUTTON; |
24236869 | 1432 | if (button_mask & 0x04) |
28a76be8 | 1433 | buttons |= MOUSE_EVENT_RBUTTON; |
24236869 | 1434 | if (button_mask & 0x08) |
28a76be8 | 1435 | dz = -1; |
24236869 | 1436 | if (button_mask & 0x10) |
28a76be8 | 1437 | dz = 1; |
564c337e FB |
1438 | |
1439 | if (vs->absolute) { | |
cc39a92c CW |
1440 | kbd_mouse_event(ds_get_width(vs->ds) > 1 ? |
1441 | x * 0x7FFF / (ds_get_width(vs->ds) - 1) : 0x4000, | |
1442 | ds_get_height(vs->ds) > 1 ? | |
1443 | y * 0x7FFF / (ds_get_height(vs->ds) - 1) : 0x4000, | |
28a76be8 | 1444 | dz, buttons); |
29fa4ed9 | 1445 | } else if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE)) { |
28a76be8 AL |
1446 | x -= 0x7FFF; |
1447 | y -= 0x7FFF; | |
24236869 | 1448 | |
28a76be8 | 1449 | kbd_mouse_event(x, y, dz, buttons); |
564c337e | 1450 | } else { |
28a76be8 AL |
1451 | if (vs->last_x != -1) |
1452 | kbd_mouse_event(x - vs->last_x, | |
1453 | y - vs->last_y, | |
1454 | dz, buttons); | |
1455 | vs->last_x = x; | |
1456 | vs->last_y = y; | |
24236869 FB |
1457 | } |
1458 | } | |
1459 | ||
64f5a135 FB |
1460 | static void reset_keys(VncState *vs) |
1461 | { | |
1462 | int i; | |
1463 | for(i = 0; i < 256; i++) { | |
1464 | if (vs->modifiers_state[i]) { | |
44bb61c8 ST |
1465 | if (i & SCANCODE_GREY) |
1466 | kbd_put_keycode(SCANCODE_EMUL0); | |
1467 | kbd_put_keycode(i | SCANCODE_UP); | |
64f5a135 FB |
1468 | vs->modifiers_state[i] = 0; |
1469 | } | |
1470 | } | |
1471 | } | |
1472 | ||
a528b80c AZ |
1473 | static void press_key(VncState *vs, int keysym) |
1474 | { | |
44bb61c8 ST |
1475 | int keycode = keysym2scancode(vs->vd->kbd_layout, keysym) & SCANCODE_KEYMASK; |
1476 | if (keycode & SCANCODE_GREY) | |
1477 | kbd_put_keycode(SCANCODE_EMUL0); | |
1478 | kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK); | |
1479 | if (keycode & SCANCODE_GREY) | |
1480 | kbd_put_keycode(SCANCODE_EMUL0); | |
1481 | kbd_put_keycode(keycode | SCANCODE_UP); | |
a528b80c AZ |
1482 | } |
1483 | ||
7ffb82ca GH |
1484 | static void kbd_leds(void *opaque, int ledstate) |
1485 | { | |
1486 | VncState *vs = opaque; | |
1487 | int caps, num; | |
1488 | ||
1489 | caps = ledstate & QEMU_CAPS_LOCK_LED ? 1 : 0; | |
1490 | num = ledstate & QEMU_NUM_LOCK_LED ? 1 : 0; | |
1491 | ||
1492 | if (vs->modifiers_state[0x3a] != caps) { | |
1493 | vs->modifiers_state[0x3a] = caps; | |
1494 | } | |
1495 | if (vs->modifiers_state[0x45] != num) { | |
1496 | vs->modifiers_state[0x45] = num; | |
1497 | } | |
1498 | } | |
1499 | ||
9ca313aa | 1500 | static void do_key_event(VncState *vs, int down, int keycode, int sym) |
24236869 | 1501 | { |
64f5a135 FB |
1502 | /* QEMU console switch */ |
1503 | switch(keycode) { | |
1504 | case 0x2a: /* Left Shift */ | |
1505 | case 0x36: /* Right Shift */ | |
1506 | case 0x1d: /* Left CTRL */ | |
1507 | case 0x9d: /* Right CTRL */ | |
1508 | case 0x38: /* Left ALT */ | |
1509 | case 0xb8: /* Right ALT */ | |
1510 | if (down) | |
1511 | vs->modifiers_state[keycode] = 1; | |
1512 | else | |
1513 | vs->modifiers_state[keycode] = 0; | |
1514 | break; | |
5fafdf24 | 1515 | case 0x02 ... 0x0a: /* '1' to '9' keys */ |
64f5a135 FB |
1516 | if (down && vs->modifiers_state[0x1d] && vs->modifiers_state[0x38]) { |
1517 | /* Reset the modifiers sent to the current console */ | |
1518 | reset_keys(vs); | |
1519 | console_select(keycode - 0x02); | |
1520 | return; | |
1521 | } | |
1522 | break; | |
28a76be8 AL |
1523 | case 0x3a: /* CapsLock */ |
1524 | case 0x45: /* NumLock */ | |
7ffb82ca | 1525 | if (down) |
a528b80c AZ |
1526 | vs->modifiers_state[keycode] ^= 1; |
1527 | break; | |
1528 | } | |
1529 | ||
9892088b | 1530 | if (down && vs->vd->lock_key_sync && |
3a0558b5 | 1531 | keycode_is_keypad(vs->vd->kbd_layout, keycode)) { |
a528b80c AZ |
1532 | /* If the numlock state needs to change then simulate an additional |
1533 | keypress before sending this one. This will happen if the user | |
1534 | toggles numlock away from the VNC window. | |
1535 | */ | |
753b4053 | 1536 | if (keysym_is_numlock(vs->vd->kbd_layout, sym & 0xFFFF)) { |
a528b80c AZ |
1537 | if (!vs->modifiers_state[0x45]) { |
1538 | vs->modifiers_state[0x45] = 1; | |
1539 | press_key(vs, 0xff7f); | |
1540 | } | |
1541 | } else { | |
1542 | if (vs->modifiers_state[0x45]) { | |
1543 | vs->modifiers_state[0x45] = 0; | |
1544 | press_key(vs, 0xff7f); | |
1545 | } | |
1546 | } | |
64f5a135 | 1547 | } |
24236869 | 1548 | |
9892088b | 1549 | if (down && vs->vd->lock_key_sync && |
3a0558b5 | 1550 | ((sym >= 'A' && sym <= 'Z') || (sym >= 'a' && sym <= 'z'))) { |
6b132502 GH |
1551 | /* If the capslock state needs to change then simulate an additional |
1552 | keypress before sending this one. This will happen if the user | |
1553 | toggles capslock away from the VNC window. | |
1554 | */ | |
1555 | int uppercase = !!(sym >= 'A' && sym <= 'Z'); | |
1556 | int shift = !!(vs->modifiers_state[0x2a] | vs->modifiers_state[0x36]); | |
1557 | int capslock = !!(vs->modifiers_state[0x3a]); | |
1558 | if (capslock) { | |
1559 | if (uppercase == shift) { | |
1560 | vs->modifiers_state[0x3a] = 0; | |
1561 | press_key(vs, 0xffe5); | |
1562 | } | |
1563 | } else { | |
1564 | if (uppercase != shift) { | |
1565 | vs->modifiers_state[0x3a] = 1; | |
1566 | press_key(vs, 0xffe5); | |
1567 | } | |
1568 | } | |
1569 | } | |
1570 | ||
64f5a135 | 1571 | if (is_graphic_console()) { |
44bb61c8 ST |
1572 | if (keycode & SCANCODE_GREY) |
1573 | kbd_put_keycode(SCANCODE_EMUL0); | |
64f5a135 | 1574 | if (down) |
44bb61c8 | 1575 | kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK); |
64f5a135 | 1576 | else |
44bb61c8 | 1577 | kbd_put_keycode(keycode | SCANCODE_UP); |
64f5a135 | 1578 | } else { |
e26437c2 GH |
1579 | bool numlock = vs->modifiers_state[0x45]; |
1580 | bool control = (vs->modifiers_state[0x1d] || | |
1581 | vs->modifiers_state[0x9d]); | |
64f5a135 FB |
1582 | /* QEMU console emulation */ |
1583 | if (down) { | |
1584 | switch (keycode) { | |
1585 | case 0x2a: /* Left Shift */ | |
1586 | case 0x36: /* Right Shift */ | |
1587 | case 0x1d: /* Left CTRL */ | |
1588 | case 0x9d: /* Right CTRL */ | |
1589 | case 0x38: /* Left ALT */ | |
1590 | case 0xb8: /* Right ALT */ | |
1591 | break; | |
1592 | case 0xc8: | |
1593 | kbd_put_keysym(QEMU_KEY_UP); | |
1594 | break; | |
1595 | case 0xd0: | |
1596 | kbd_put_keysym(QEMU_KEY_DOWN); | |
1597 | break; | |
1598 | case 0xcb: | |
1599 | kbd_put_keysym(QEMU_KEY_LEFT); | |
1600 | break; | |
1601 | case 0xcd: | |
1602 | kbd_put_keysym(QEMU_KEY_RIGHT); | |
1603 | break; | |
1604 | case 0xd3: | |
1605 | kbd_put_keysym(QEMU_KEY_DELETE); | |
1606 | break; | |
1607 | case 0xc7: | |
1608 | kbd_put_keysym(QEMU_KEY_HOME); | |
1609 | break; | |
1610 | case 0xcf: | |
1611 | kbd_put_keysym(QEMU_KEY_END); | |
1612 | break; | |
1613 | case 0xc9: | |
1614 | kbd_put_keysym(QEMU_KEY_PAGEUP); | |
1615 | break; | |
1616 | case 0xd1: | |
1617 | kbd_put_keysym(QEMU_KEY_PAGEDOWN); | |
1618 | break; | |
bb0a18e1 GH |
1619 | |
1620 | case 0x47: | |
1621 | kbd_put_keysym(numlock ? '7' : QEMU_KEY_HOME); | |
1622 | break; | |
1623 | case 0x48: | |
1624 | kbd_put_keysym(numlock ? '8' : QEMU_KEY_UP); | |
1625 | break; | |
1626 | case 0x49: | |
1627 | kbd_put_keysym(numlock ? '9' : QEMU_KEY_PAGEUP); | |
1628 | break; | |
1629 | case 0x4b: | |
1630 | kbd_put_keysym(numlock ? '4' : QEMU_KEY_LEFT); | |
1631 | break; | |
1632 | case 0x4c: | |
1633 | kbd_put_keysym('5'); | |
1634 | break; | |
1635 | case 0x4d: | |
1636 | kbd_put_keysym(numlock ? '6' : QEMU_KEY_RIGHT); | |
1637 | break; | |
1638 | case 0x4f: | |
1639 | kbd_put_keysym(numlock ? '1' : QEMU_KEY_END); | |
1640 | break; | |
1641 | case 0x50: | |
1642 | kbd_put_keysym(numlock ? '2' : QEMU_KEY_DOWN); | |
1643 | break; | |
1644 | case 0x51: | |
1645 | kbd_put_keysym(numlock ? '3' : QEMU_KEY_PAGEDOWN); | |
1646 | break; | |
1647 | case 0x52: | |
1648 | kbd_put_keysym('0'); | |
1649 | break; | |
1650 | case 0x53: | |
1651 | kbd_put_keysym(numlock ? '.' : QEMU_KEY_DELETE); | |
1652 | break; | |
1653 | ||
1654 | case 0xb5: | |
1655 | kbd_put_keysym('/'); | |
1656 | break; | |
1657 | case 0x37: | |
1658 | kbd_put_keysym('*'); | |
1659 | break; | |
1660 | case 0x4a: | |
1661 | kbd_put_keysym('-'); | |
1662 | break; | |
1663 | case 0x4e: | |
1664 | kbd_put_keysym('+'); | |
1665 | break; | |
1666 | case 0x9c: | |
1667 | kbd_put_keysym('\n'); | |
1668 | break; | |
1669 | ||
64f5a135 | 1670 | default: |
e26437c2 GH |
1671 | if (control) { |
1672 | kbd_put_keysym(sym & 0x1f); | |
1673 | } else { | |
1674 | kbd_put_keysym(sym); | |
1675 | } | |
64f5a135 FB |
1676 | break; |
1677 | } | |
1678 | } | |
1679 | } | |
24236869 FB |
1680 | } |
1681 | ||
bdbd7676 FB |
1682 | static void key_event(VncState *vs, int down, uint32_t sym) |
1683 | { | |
9ca313aa | 1684 | int keycode; |
4a93fe17 | 1685 | int lsym = sym; |
9ca313aa | 1686 | |
4a93fe17 GH |
1687 | if (lsym >= 'A' && lsym <= 'Z' && is_graphic_console()) { |
1688 | lsym = lsym - 'A' + 'a'; | |
1689 | } | |
9ca313aa | 1690 | |
44bb61c8 | 1691 | keycode = keysym2scancode(vs->vd->kbd_layout, lsym & 0xFFFF) & SCANCODE_KEYMASK; |
9ca313aa AL |
1692 | do_key_event(vs, down, keycode, sym); |
1693 | } | |
1694 | ||
1695 | static void ext_key_event(VncState *vs, int down, | |
1696 | uint32_t sym, uint16_t keycode) | |
1697 | { | |
1698 | /* if the user specifies a keyboard layout, always use it */ | |
1699 | if (keyboard_layout) | |
1700 | key_event(vs, down, sym); | |
1701 | else | |
1702 | do_key_event(vs, down, keycode, sym); | |
bdbd7676 FB |
1703 | } |
1704 | ||
24236869 | 1705 | static void framebuffer_update_request(VncState *vs, int incremental, |
28a76be8 AL |
1706 | int x_position, int y_position, |
1707 | int w, int h) | |
24236869 | 1708 | { |
6ed391bf WC |
1709 | int i; |
1710 | const size_t width = ds_get_width(vs->ds) / 16; | |
1711 | ||
0e1f5a0c AL |
1712 | if (y_position > ds_get_height(vs->ds)) |
1713 | y_position = ds_get_height(vs->ds); | |
0e1f5a0c AL |
1714 | if (y_position + h >= ds_get_height(vs->ds)) |
1715 | h = ds_get_height(vs->ds) - y_position; | |
cf2d385c | 1716 | |
24236869 FB |
1717 | vs->need_update = 1; |
1718 | if (!incremental) { | |
24cf0a6e | 1719 | vs->force_update = 1; |
28a76be8 | 1720 | for (i = 0; i < h; i++) { |
6ed391bf WC |
1721 | bitmap_set(vs->dirty[y_position + i], 0, width); |
1722 | bitmap_clear(vs->dirty[y_position + i], width, | |
a0843a68 | 1723 | VNC_DIRTY_BITS - width); |
28a76be8 | 1724 | } |
24236869 FB |
1725 | } |
1726 | } | |
1727 | ||
9ca313aa AL |
1728 | static void send_ext_key_event_ack(VncState *vs) |
1729 | { | |
bd023f95 | 1730 | vnc_lock_output(vs); |
46a183da | 1731 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
9ca313aa AL |
1732 | vnc_write_u8(vs, 0); |
1733 | vnc_write_u16(vs, 1); | |
29fa4ed9 AL |
1734 | vnc_framebuffer_update(vs, 0, 0, ds_get_width(vs->ds), ds_get_height(vs->ds), |
1735 | VNC_ENCODING_EXT_KEY_EVENT); | |
bd023f95 | 1736 | vnc_unlock_output(vs); |
9ca313aa AL |
1737 | vnc_flush(vs); |
1738 | } | |
1739 | ||
429a8ed3 | 1740 | static void send_ext_audio_ack(VncState *vs) |
1741 | { | |
bd023f95 | 1742 | vnc_lock_output(vs); |
46a183da | 1743 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
429a8ed3 | 1744 | vnc_write_u8(vs, 0); |
1745 | vnc_write_u16(vs, 1); | |
29fa4ed9 AL |
1746 | vnc_framebuffer_update(vs, 0, 0, ds_get_width(vs->ds), ds_get_height(vs->ds), |
1747 | VNC_ENCODING_AUDIO); | |
bd023f95 | 1748 | vnc_unlock_output(vs); |
429a8ed3 | 1749 | vnc_flush(vs); |
1750 | } | |
1751 | ||
24236869 FB |
1752 | static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) |
1753 | { | |
1754 | int i; | |
29fa4ed9 | 1755 | unsigned int enc = 0; |
24236869 | 1756 | |
29fa4ed9 | 1757 | vs->features = 0; |
a9f20d31 | 1758 | vs->vnc_encoding = 0; |
d1af0e05 CC |
1759 | vs->tight.compression = 9; |
1760 | vs->tight.quality = -1; /* Lossless by default */ | |
564c337e | 1761 | vs->absolute = -1; |
24236869 | 1762 | |
8a0f0d0c CC |
1763 | /* |
1764 | * Start from the end because the encodings are sent in order of preference. | |
e5bed759 | 1765 | * This way the preferred encoding (first encoding defined in the array) |
8a0f0d0c CC |
1766 | * will be set at the end of the loop. |
1767 | */ | |
24236869 | 1768 | for (i = n_encodings - 1; i >= 0; i--) { |
29fa4ed9 AL |
1769 | enc = encodings[i]; |
1770 | switch (enc) { | |
1771 | case VNC_ENCODING_RAW: | |
a9f20d31 | 1772 | vs->vnc_encoding = enc; |
29fa4ed9 AL |
1773 | break; |
1774 | case VNC_ENCODING_COPYRECT: | |
753b4053 | 1775 | vs->features |= VNC_FEATURE_COPYRECT_MASK; |
29fa4ed9 AL |
1776 | break; |
1777 | case VNC_ENCODING_HEXTILE: | |
1778 | vs->features |= VNC_FEATURE_HEXTILE_MASK; | |
a9f20d31 | 1779 | vs->vnc_encoding = enc; |
29fa4ed9 | 1780 | break; |
380282b0 CC |
1781 | case VNC_ENCODING_TIGHT: |
1782 | vs->features |= VNC_FEATURE_TIGHT_MASK; | |
1783 | vs->vnc_encoding = enc; | |
1784 | break; | |
efe556ad CC |
1785 | case VNC_ENCODING_TIGHT_PNG: |
1786 | vs->features |= VNC_FEATURE_TIGHT_PNG_MASK; | |
1787 | vs->vnc_encoding = enc; | |
1788 | break; | |
059cef40 AL |
1789 | case VNC_ENCODING_ZLIB: |
1790 | vs->features |= VNC_FEATURE_ZLIB_MASK; | |
a9f20d31 | 1791 | vs->vnc_encoding = enc; |
059cef40 | 1792 | break; |
148954fa CC |
1793 | case VNC_ENCODING_ZRLE: |
1794 | vs->features |= VNC_FEATURE_ZRLE_MASK; | |
1795 | vs->vnc_encoding = enc; | |
1796 | break; | |
1797 | case VNC_ENCODING_ZYWRLE: | |
1798 | vs->features |= VNC_FEATURE_ZYWRLE_MASK; | |
1799 | vs->vnc_encoding = enc; | |
1800 | break; | |
29fa4ed9 AL |
1801 | case VNC_ENCODING_DESKTOPRESIZE: |
1802 | vs->features |= VNC_FEATURE_RESIZE_MASK; | |
1803 | break; | |
1804 | case VNC_ENCODING_POINTER_TYPE_CHANGE: | |
1805 | vs->features |= VNC_FEATURE_POINTER_TYPE_CHANGE_MASK; | |
1806 | break; | |
d467b679 GH |
1807 | case VNC_ENCODING_RICH_CURSOR: |
1808 | vs->features |= VNC_FEATURE_RICH_CURSOR_MASK; | |
1809 | break; | |
29fa4ed9 | 1810 | case VNC_ENCODING_EXT_KEY_EVENT: |
9ca313aa AL |
1811 | send_ext_key_event_ack(vs); |
1812 | break; | |
29fa4ed9 | 1813 | case VNC_ENCODING_AUDIO: |
429a8ed3 | 1814 | send_ext_audio_ack(vs); |
1815 | break; | |
29fa4ed9 AL |
1816 | case VNC_ENCODING_WMVi: |
1817 | vs->features |= VNC_FEATURE_WMVI_MASK; | |
ca4cca4d | 1818 | break; |
fb437313 | 1819 | case VNC_ENCODING_COMPRESSLEVEL0 ... VNC_ENCODING_COMPRESSLEVEL0 + 9: |
d1af0e05 | 1820 | vs->tight.compression = (enc & 0x0F); |
fb437313 AL |
1821 | break; |
1822 | case VNC_ENCODING_QUALITYLEVEL0 ... VNC_ENCODING_QUALITYLEVEL0 + 9: | |
b31f519e CC |
1823 | if (vs->vd->lossy) { |
1824 | vs->tight.quality = (enc & 0x0F); | |
1825 | } | |
fb437313 | 1826 | break; |
29fa4ed9 AL |
1827 | default: |
1828 | VNC_DEBUG("Unknown encoding: %d (0x%.8x): %d\n", i, enc, enc); | |
1829 | break; | |
1830 | } | |
24236869 | 1831 | } |
6356e472 | 1832 | vnc_desktop_resize(vs); |
9e8dd451 | 1833 | check_pointer_type_change(&vs->mouse_mode_notifier, NULL); |
24236869 FB |
1834 | } |
1835 | ||
6cec5487 AL |
1836 | static void set_pixel_conversion(VncState *vs) |
1837 | { | |
1838 | if ((vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) == | |
1839 | (vs->ds->surface->flags & QEMU_BIG_ENDIAN_FLAG) && | |
1840 | !memcmp(&(vs->clientds.pf), &(vs->ds->surface->pf), sizeof(PixelFormat))) { | |
1841 | vs->write_pixels = vnc_write_pixels_copy; | |
70a4568f | 1842 | vnc_hextile_set_pixel_conversion(vs, 0); |
6cec5487 AL |
1843 | } else { |
1844 | vs->write_pixels = vnc_write_pixels_generic; | |
70a4568f | 1845 | vnc_hextile_set_pixel_conversion(vs, 1); |
6cec5487 AL |
1846 | } |
1847 | } | |
1848 | ||
24236869 | 1849 | static void set_pixel_format(VncState *vs, |
28a76be8 AL |
1850 | int bits_per_pixel, int depth, |
1851 | int big_endian_flag, int true_color_flag, | |
1852 | int red_max, int green_max, int blue_max, | |
1853 | int red_shift, int green_shift, int blue_shift) | |
24236869 | 1854 | { |
3512779a | 1855 | if (!true_color_flag) { |
28a76be8 | 1856 | vnc_client_error(vs); |
3512779a FB |
1857 | return; |
1858 | } | |
24236869 | 1859 | |
1fc62412 | 1860 | vs->clientds = *(vs->vd->guest.ds); |
6cec5487 | 1861 | vs->clientds.pf.rmax = red_max; |
bc2429b9 | 1862 | vs->clientds.pf.rbits = hweight_long(red_max); |
6cec5487 AL |
1863 | vs->clientds.pf.rshift = red_shift; |
1864 | vs->clientds.pf.rmask = red_max << red_shift; | |
1865 | vs->clientds.pf.gmax = green_max; | |
bc2429b9 | 1866 | vs->clientds.pf.gbits = hweight_long(green_max); |
6cec5487 AL |
1867 | vs->clientds.pf.gshift = green_shift; |
1868 | vs->clientds.pf.gmask = green_max << green_shift; | |
1869 | vs->clientds.pf.bmax = blue_max; | |
bc2429b9 | 1870 | vs->clientds.pf.bbits = hweight_long(blue_max); |
6cec5487 AL |
1871 | vs->clientds.pf.bshift = blue_shift; |
1872 | vs->clientds.pf.bmask = blue_max << blue_shift; | |
1873 | vs->clientds.pf.bits_per_pixel = bits_per_pixel; | |
1874 | vs->clientds.pf.bytes_per_pixel = bits_per_pixel / 8; | |
1875 | vs->clientds.pf.depth = bits_per_pixel == 32 ? 24 : bits_per_pixel; | |
1876 | vs->clientds.flags = big_endian_flag ? QEMU_BIG_ENDIAN_FLAG : 0x00; | |
1877 | ||
1878 | set_pixel_conversion(vs); | |
24236869 FB |
1879 | |
1880 | vga_hw_invalidate(); | |
1881 | vga_hw_update(); | |
1882 | } | |
1883 | ||
ca4cca4d AL |
1884 | static void pixel_format_message (VncState *vs) { |
1885 | char pad[3] = { 0, 0, 0 }; | |
1886 | ||
6cec5487 AL |
1887 | vnc_write_u8(vs, vs->ds->surface->pf.bits_per_pixel); /* bits-per-pixel */ |
1888 | vnc_write_u8(vs, vs->ds->surface->pf.depth); /* depth */ | |
ca4cca4d | 1889 | |
e2542fe2 | 1890 | #ifdef HOST_WORDS_BIGENDIAN |
ca4cca4d AL |
1891 | vnc_write_u8(vs, 1); /* big-endian-flag */ |
1892 | #else | |
1893 | vnc_write_u8(vs, 0); /* big-endian-flag */ | |
1894 | #endif | |
1895 | vnc_write_u8(vs, 1); /* true-color-flag */ | |
6cec5487 AL |
1896 | vnc_write_u16(vs, vs->ds->surface->pf.rmax); /* red-max */ |
1897 | vnc_write_u16(vs, vs->ds->surface->pf.gmax); /* green-max */ | |
1898 | vnc_write_u16(vs, vs->ds->surface->pf.bmax); /* blue-max */ | |
1899 | vnc_write_u8(vs, vs->ds->surface->pf.rshift); /* red-shift */ | |
1900 | vnc_write_u8(vs, vs->ds->surface->pf.gshift); /* green-shift */ | |
1901 | vnc_write_u8(vs, vs->ds->surface->pf.bshift); /* blue-shift */ | |
70a4568f CC |
1902 | |
1903 | vnc_hextile_set_pixel_conversion(vs, 0); | |
1904 | ||
6cec5487 | 1905 | vs->clientds = *(vs->ds->surface); |
3cded540 | 1906 | vs->clientds.flags &= ~QEMU_ALLOCATED_FLAG; |
ca4cca4d AL |
1907 | vs->write_pixels = vnc_write_pixels_copy; |
1908 | ||
1909 | vnc_write(vs, pad, 3); /* padding */ | |
1910 | } | |
1911 | ||
7d957bd8 AL |
1912 | static void vnc_dpy_setdata(DisplayState *ds) |
1913 | { | |
1914 | /* We don't have to do anything */ | |
1915 | } | |
1916 | ||
753b4053 | 1917 | static void vnc_colordepth(VncState *vs) |
7eac3a87 | 1918 | { |
753b4053 | 1919 | if (vnc_has_feature(vs, VNC_FEATURE_WMVI)) { |
ca4cca4d | 1920 | /* Sending a WMVi message to notify the client*/ |
bd023f95 | 1921 | vnc_lock_output(vs); |
46a183da | 1922 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
ca4cca4d AL |
1923 | vnc_write_u8(vs, 0); |
1924 | vnc_write_u16(vs, 1); /* number of rects */ | |
753b4053 AL |
1925 | vnc_framebuffer_update(vs, 0, 0, ds_get_width(vs->ds), |
1926 | ds_get_height(vs->ds), VNC_ENCODING_WMVi); | |
ca4cca4d | 1927 | pixel_format_message(vs); |
bd023f95 | 1928 | vnc_unlock_output(vs); |
ca4cca4d | 1929 | vnc_flush(vs); |
7eac3a87 | 1930 | } else { |
6cec5487 | 1931 | set_pixel_conversion(vs); |
7eac3a87 AL |
1932 | } |
1933 | } | |
1934 | ||
60fe76f3 | 1935 | static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len) |
24236869 FB |
1936 | { |
1937 | int i; | |
1938 | uint16_t limit; | |
2430ffe4 SS |
1939 | VncDisplay *vd = vs->vd; |
1940 | ||
1941 | if (data[0] > 3) { | |
1942 | vd->timer_interval = VNC_REFRESH_INTERVAL_BASE; | |
7bd427d8 PB |
1943 | if (!qemu_timer_expired(vd->timer, qemu_get_clock_ms(rt_clock) + vd->timer_interval)) |
1944 | qemu_mod_timer(vd->timer, qemu_get_clock_ms(rt_clock) + vd->timer_interval); | |
2430ffe4 | 1945 | } |
24236869 FB |
1946 | |
1947 | switch (data[0]) { | |
46a183da | 1948 | case VNC_MSG_CLIENT_SET_PIXEL_FORMAT: |
28a76be8 AL |
1949 | if (len == 1) |
1950 | return 20; | |
1951 | ||
1952 | set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5), | |
1953 | read_u8(data, 6), read_u8(data, 7), | |
1954 | read_u16(data, 8), read_u16(data, 10), | |
1955 | read_u16(data, 12), read_u8(data, 14), | |
1956 | read_u8(data, 15), read_u8(data, 16)); | |
1957 | break; | |
46a183da | 1958 | case VNC_MSG_CLIENT_SET_ENCODINGS: |
28a76be8 AL |
1959 | if (len == 1) |
1960 | return 4; | |
24236869 | 1961 | |
28a76be8 | 1962 | if (len == 4) { |
69dd5c9f AL |
1963 | limit = read_u16(data, 2); |
1964 | if (limit > 0) | |
1965 | return 4 + (limit * 4); | |
1966 | } else | |
1967 | limit = read_u16(data, 2); | |
24236869 | 1968 | |
28a76be8 AL |
1969 | for (i = 0; i < limit; i++) { |
1970 | int32_t val = read_s32(data, 4 + (i * 4)); | |
1971 | memcpy(data + 4 + (i * 4), &val, sizeof(val)); | |
1972 | } | |
24236869 | 1973 | |
28a76be8 AL |
1974 | set_encodings(vs, (int32_t *)(data + 4), limit); |
1975 | break; | |
46a183da | 1976 | case VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST: |
28a76be8 AL |
1977 | if (len == 1) |
1978 | return 10; | |
24236869 | 1979 | |
28a76be8 AL |
1980 | framebuffer_update_request(vs, |
1981 | read_u8(data, 1), read_u16(data, 2), read_u16(data, 4), | |
1982 | read_u16(data, 6), read_u16(data, 8)); | |
1983 | break; | |
46a183da | 1984 | case VNC_MSG_CLIENT_KEY_EVENT: |
28a76be8 AL |
1985 | if (len == 1) |
1986 | return 8; | |
24236869 | 1987 | |
28a76be8 AL |
1988 | key_event(vs, read_u8(data, 1), read_u32(data, 4)); |
1989 | break; | |
46a183da | 1990 | case VNC_MSG_CLIENT_POINTER_EVENT: |
28a76be8 AL |
1991 | if (len == 1) |
1992 | return 6; | |
24236869 | 1993 | |
28a76be8 AL |
1994 | pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 4)); |
1995 | break; | |
46a183da | 1996 | case VNC_MSG_CLIENT_CUT_TEXT: |
28a76be8 AL |
1997 | if (len == 1) |
1998 | return 8; | |
24236869 | 1999 | |
28a76be8 | 2000 | if (len == 8) { |
baa7666c TS |
2001 | uint32_t dlen = read_u32(data, 4); |
2002 | if (dlen > 0) | |
2003 | return 8 + dlen; | |
2004 | } | |
24236869 | 2005 | |
28a76be8 AL |
2006 | client_cut_text(vs, read_u32(data, 4), data + 8); |
2007 | break; | |
46a183da | 2008 | case VNC_MSG_CLIENT_QEMU: |
9ca313aa AL |
2009 | if (len == 1) |
2010 | return 2; | |
2011 | ||
2012 | switch (read_u8(data, 1)) { | |
46a183da | 2013 | case VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT: |
9ca313aa AL |
2014 | if (len == 2) |
2015 | return 12; | |
2016 | ||
2017 | ext_key_event(vs, read_u16(data, 2), | |
2018 | read_u32(data, 4), read_u32(data, 8)); | |
2019 | break; | |
46a183da | 2020 | case VNC_MSG_CLIENT_QEMU_AUDIO: |
429a8ed3 | 2021 | if (len == 2) |
2022 | return 4; | |
2023 | ||
2024 | switch (read_u16 (data, 2)) { | |
46a183da | 2025 | case VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE: |
429a8ed3 | 2026 | audio_add(vs); |
2027 | break; | |
46a183da | 2028 | case VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE: |
429a8ed3 | 2029 | audio_del(vs); |
2030 | break; | |
46a183da | 2031 | case VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT: |
429a8ed3 | 2032 | if (len == 4) |
2033 | return 10; | |
2034 | switch (read_u8(data, 4)) { | |
2035 | case 0: vs->as.fmt = AUD_FMT_U8; break; | |
2036 | case 1: vs->as.fmt = AUD_FMT_S8; break; | |
2037 | case 2: vs->as.fmt = AUD_FMT_U16; break; | |
2038 | case 3: vs->as.fmt = AUD_FMT_S16; break; | |
2039 | case 4: vs->as.fmt = AUD_FMT_U32; break; | |
2040 | case 5: vs->as.fmt = AUD_FMT_S32; break; | |
2041 | default: | |
2042 | printf("Invalid audio format %d\n", read_u8(data, 4)); | |
2043 | vnc_client_error(vs); | |
2044 | break; | |
2045 | } | |
2046 | vs->as.nchannels = read_u8(data, 5); | |
2047 | if (vs->as.nchannels != 1 && vs->as.nchannels != 2) { | |
2048 | printf("Invalid audio channel coount %d\n", | |
2049 | read_u8(data, 5)); | |
2050 | vnc_client_error(vs); | |
2051 | break; | |
2052 | } | |
2053 | vs->as.freq = read_u32(data, 6); | |
2054 | break; | |
2055 | default: | |
2056 | printf ("Invalid audio message %d\n", read_u8(data, 4)); | |
2057 | vnc_client_error(vs); | |
2058 | break; | |
2059 | } | |
2060 | break; | |
2061 | ||
9ca313aa AL |
2062 | default: |
2063 | printf("Msg: %d\n", read_u16(data, 0)); | |
2064 | vnc_client_error(vs); | |
2065 | break; | |
2066 | } | |
2067 | break; | |
24236869 | 2068 | default: |
28a76be8 AL |
2069 | printf("Msg: %d\n", data[0]); |
2070 | vnc_client_error(vs); | |
2071 | break; | |
24236869 | 2072 | } |
5fafdf24 | 2073 | |
24236869 FB |
2074 | vnc_read_when(vs, protocol_client_msg, 1); |
2075 | return 0; | |
2076 | } | |
2077 | ||
60fe76f3 | 2078 | static int protocol_client_init(VncState *vs, uint8_t *data, size_t len) |
24236869 | 2079 | { |
c35734b2 | 2080 | char buf[1024]; |
8cf36489 | 2081 | VncShareMode mode; |
c35734b2 | 2082 | int size; |
24236869 | 2083 | |
8cf36489 GH |
2084 | mode = data[0] ? VNC_SHARE_MODE_SHARED : VNC_SHARE_MODE_EXCLUSIVE; |
2085 | switch (vs->vd->share_policy) { | |
2086 | case VNC_SHARE_POLICY_IGNORE: | |
2087 | /* | |
2088 | * Ignore the shared flag. Nothing to do here. | |
2089 | * | |
2090 | * Doesn't conform to the rfb spec but is traditional qemu | |
2091 | * behavior, thus left here as option for compatibility | |
2092 | * reasons. | |
2093 | */ | |
2094 | break; | |
2095 | case VNC_SHARE_POLICY_ALLOW_EXCLUSIVE: | |
2096 | /* | |
2097 | * Policy: Allow clients ask for exclusive access. | |
2098 | * | |
2099 | * Implementation: When a client asks for exclusive access, | |
2100 | * disconnect all others. Shared connects are allowed as long | |
2101 | * as no exclusive connection exists. | |
2102 | * | |
2103 | * This is how the rfb spec suggests to handle the shared flag. | |
2104 | */ | |
2105 | if (mode == VNC_SHARE_MODE_EXCLUSIVE) { | |
2106 | VncState *client; | |
2107 | QTAILQ_FOREACH(client, &vs->vd->clients, next) { | |
2108 | if (vs == client) { | |
2109 | continue; | |
2110 | } | |
2111 | if (client->share_mode != VNC_SHARE_MODE_EXCLUSIVE && | |
2112 | client->share_mode != VNC_SHARE_MODE_SHARED) { | |
2113 | continue; | |
2114 | } | |
2115 | vnc_disconnect_start(client); | |
2116 | } | |
2117 | } | |
2118 | if (mode == VNC_SHARE_MODE_SHARED) { | |
2119 | if (vs->vd->num_exclusive > 0) { | |
2120 | vnc_disconnect_start(vs); | |
2121 | return 0; | |
2122 | } | |
2123 | } | |
2124 | break; | |
2125 | case VNC_SHARE_POLICY_FORCE_SHARED: | |
2126 | /* | |
2127 | * Policy: Shared connects only. | |
2128 | * Implementation: Disallow clients asking for exclusive access. | |
2129 | * | |
2130 | * Useful for shared desktop sessions where you don't want | |
2131 | * someone forgetting to say -shared when running the vnc | |
2132 | * client disconnect everybody else. | |
2133 | */ | |
2134 | if (mode == VNC_SHARE_MODE_EXCLUSIVE) { | |
2135 | vnc_disconnect_start(vs); | |
2136 | return 0; | |
2137 | } | |
2138 | break; | |
2139 | } | |
2140 | vnc_set_share_mode(vs, mode); | |
2141 | ||
5862d195 GH |
2142 | vs->client_width = ds_get_width(vs->ds); |
2143 | vs->client_height = ds_get_height(vs->ds); | |
2144 | vnc_write_u16(vs, vs->client_width); | |
2145 | vnc_write_u16(vs, vs->client_height); | |
24236869 | 2146 | |
ca4cca4d | 2147 | pixel_format_message(vs); |
24236869 | 2148 | |
c35734b2 TS |
2149 | if (qemu_name) |
2150 | size = snprintf(buf, sizeof(buf), "QEMU (%s)", qemu_name); | |
2151 | else | |
2152 | size = snprintf(buf, sizeof(buf), "QEMU"); | |
2153 | ||
2154 | vnc_write_u32(vs, size); | |
2155 | vnc_write(vs, buf, size); | |
24236869 FB |
2156 | vnc_flush(vs); |
2157 | ||
4a80dba3 | 2158 | vnc_client_cache_auth(vs); |
0d2ed46a | 2159 | vnc_qmp_event(vs, QEVENT_VNC_INITIALIZED); |
4a80dba3 | 2160 | |
24236869 FB |
2161 | vnc_read_when(vs, protocol_client_msg, 1); |
2162 | ||
2163 | return 0; | |
2164 | } | |
2165 | ||
5fb6c7a8 AL |
2166 | void start_client_init(VncState *vs) |
2167 | { | |
2168 | vnc_read_when(vs, protocol_client_init, 1); | |
2169 | } | |
2170 | ||
70848515 TS |
2171 | static void make_challenge(VncState *vs) |
2172 | { | |
2173 | int i; | |
2174 | ||
2175 | srand(time(NULL)+getpid()+getpid()*987654+rand()); | |
2176 | ||
2177 | for (i = 0 ; i < sizeof(vs->challenge) ; i++) | |
2178 | vs->challenge[i] = (int) (256.0*rand()/(RAND_MAX+1.0)); | |
2179 | } | |
2180 | ||
60fe76f3 | 2181 | static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len) |
70848515 | 2182 | { |
60fe76f3 | 2183 | unsigned char response[VNC_AUTH_CHALLENGE_SIZE]; |
70848515 | 2184 | int i, j, pwlen; |
60fe76f3 | 2185 | unsigned char key[8]; |
3c9405a0 | 2186 | time_t now = time(NULL); |
70848515 | 2187 | |
1cd20f8b | 2188 | if (!vs->vd->password) { |
28a76be8 | 2189 | VNC_DEBUG("No password configured on server"); |
6bffdf0f | 2190 | goto reject; |
70848515 | 2191 | } |
3c9405a0 GH |
2192 | if (vs->vd->expires < now) { |
2193 | VNC_DEBUG("Password is expired"); | |
2194 | goto reject; | |
2195 | } | |
70848515 TS |
2196 | |
2197 | memcpy(response, vs->challenge, VNC_AUTH_CHALLENGE_SIZE); | |
2198 | ||
2199 | /* Calculate the expected challenge response */ | |
753b4053 | 2200 | pwlen = strlen(vs->vd->password); |
70848515 | 2201 | for (i=0; i<sizeof(key); i++) |
753b4053 | 2202 | key[i] = i<pwlen ? vs->vd->password[i] : 0; |
70848515 TS |
2203 | deskey(key, EN0); |
2204 | for (j = 0; j < VNC_AUTH_CHALLENGE_SIZE; j += 8) | |
2205 | des(response+j, response+j); | |
2206 | ||
2207 | /* Compare expected vs actual challenge response */ | |
2208 | if (memcmp(response, data, VNC_AUTH_CHALLENGE_SIZE) != 0) { | |
e5bed759 | 2209 | VNC_DEBUG("Client challenge response did not match\n"); |
6bffdf0f | 2210 | goto reject; |
70848515 | 2211 | } else { |
28a76be8 AL |
2212 | VNC_DEBUG("Accepting VNC challenge response\n"); |
2213 | vnc_write_u32(vs, 0); /* Accept auth */ | |
2214 | vnc_flush(vs); | |
70848515 | 2215 | |
5fb6c7a8 | 2216 | start_client_init(vs); |
70848515 TS |
2217 | } |
2218 | return 0; | |
6bffdf0f GH |
2219 | |
2220 | reject: | |
2221 | vnc_write_u32(vs, 1); /* Reject auth */ | |
2222 | if (vs->minor >= 8) { | |
2223 | static const char err[] = "Authentication failed"; | |
2224 | vnc_write_u32(vs, sizeof(err)); | |
2225 | vnc_write(vs, err, sizeof(err)); | |
2226 | } | |
2227 | vnc_flush(vs); | |
2228 | vnc_client_error(vs); | |
2229 | return 0; | |
70848515 TS |
2230 | } |
2231 | ||
5fb6c7a8 | 2232 | void start_auth_vnc(VncState *vs) |
70848515 TS |
2233 | { |
2234 | make_challenge(vs); | |
2235 | /* Send client a 'random' challenge */ | |
2236 | vnc_write(vs, vs->challenge, sizeof(vs->challenge)); | |
2237 | vnc_flush(vs); | |
2238 | ||
2239 | vnc_read_when(vs, protocol_client_auth_vnc, sizeof(vs->challenge)); | |
469b15c6 TS |
2240 | } |
2241 | ||
2242 | ||
60fe76f3 | 2243 | static int protocol_client_auth(VncState *vs, uint8_t *data, size_t len) |
70848515 TS |
2244 | { |
2245 | /* We only advertise 1 auth scheme at a time, so client | |
2246 | * must pick the one we sent. Verify this */ | |
7e7e2ebc | 2247 | if (data[0] != vs->auth) { /* Reject auth */ |
1263b7d6 | 2248 | VNC_DEBUG("Reject auth %d because it didn't match advertized\n", (int)data[0]); |
70848515 TS |
2249 | vnc_write_u32(vs, 1); |
2250 | if (vs->minor >= 8) { | |
2251 | static const char err[] = "Authentication failed"; | |
2252 | vnc_write_u32(vs, sizeof(err)); | |
2253 | vnc_write(vs, err, sizeof(err)); | |
2254 | } | |
2255 | vnc_client_error(vs); | |
2256 | } else { /* Accept requested auth */ | |
2257 | VNC_DEBUG("Client requested auth %d\n", (int)data[0]); | |
7e7e2ebc | 2258 | switch (vs->auth) { |
70848515 TS |
2259 | case VNC_AUTH_NONE: |
2260 | VNC_DEBUG("Accept auth none\n"); | |
a26c97ad AZ |
2261 | if (vs->minor >= 8) { |
2262 | vnc_write_u32(vs, 0); /* Accept auth completion */ | |
2263 | vnc_flush(vs); | |
2264 | } | |
5fb6c7a8 | 2265 | start_client_init(vs); |
70848515 TS |
2266 | break; |
2267 | ||
2268 | case VNC_AUTH_VNC: | |
2269 | VNC_DEBUG("Start VNC auth\n"); | |
5fb6c7a8 AL |
2270 | start_auth_vnc(vs); |
2271 | break; | |
70848515 | 2272 | |
eb38c52c | 2273 | #ifdef CONFIG_VNC_TLS |
8d5d2d4c | 2274 | case VNC_AUTH_VENCRYPT: |
3a93113a | 2275 | VNC_DEBUG("Accept VeNCrypt auth\n"); |
5fb6c7a8 AL |
2276 | start_auth_vencrypt(vs); |
2277 | break; | |
8d5d2d4c TS |
2278 | #endif /* CONFIG_VNC_TLS */ |
2279 | ||
2f9606b3 AL |
2280 | #ifdef CONFIG_VNC_SASL |
2281 | case VNC_AUTH_SASL: | |
2282 | VNC_DEBUG("Accept SASL auth\n"); | |
2283 | start_auth_sasl(vs); | |
2284 | break; | |
2285 | #endif /* CONFIG_VNC_SASL */ | |
2286 | ||
70848515 | 2287 | default: /* Should not be possible, but just in case */ |
7e7e2ebc | 2288 | VNC_DEBUG("Reject auth %d server code bug\n", vs->auth); |
70848515 TS |
2289 | vnc_write_u8(vs, 1); |
2290 | if (vs->minor >= 8) { | |
2291 | static const char err[] = "Authentication failed"; | |
2292 | vnc_write_u32(vs, sizeof(err)); | |
2293 | vnc_write(vs, err, sizeof(err)); | |
2294 | } | |
2295 | vnc_client_error(vs); | |
2296 | } | |
2297 | } | |
2298 | return 0; | |
2299 | } | |
2300 | ||
60fe76f3 | 2301 | static int protocol_version(VncState *vs, uint8_t *version, size_t len) |
24236869 FB |
2302 | { |
2303 | char local[13]; | |
24236869 FB |
2304 | |
2305 | memcpy(local, version, 12); | |
2306 | local[12] = 0; | |
2307 | ||
70848515 | 2308 | if (sscanf(local, "RFB %03d.%03d\n", &vs->major, &vs->minor) != 2) { |
28a76be8 AL |
2309 | VNC_DEBUG("Malformed protocol version %s\n", local); |
2310 | vnc_client_error(vs); | |
2311 | return 0; | |
24236869 | 2312 | } |
70848515 TS |
2313 | VNC_DEBUG("Client request protocol version %d.%d\n", vs->major, vs->minor); |
2314 | if (vs->major != 3 || | |
28a76be8 AL |
2315 | (vs->minor != 3 && |
2316 | vs->minor != 4 && | |
2317 | vs->minor != 5 && | |
2318 | vs->minor != 7 && | |
2319 | vs->minor != 8)) { | |
2320 | VNC_DEBUG("Unsupported client version\n"); | |
2321 | vnc_write_u32(vs, VNC_AUTH_INVALID); | |
2322 | vnc_flush(vs); | |
2323 | vnc_client_error(vs); | |
2324 | return 0; | |
70848515 | 2325 | } |
b0566f4f | 2326 | /* Some broken clients report v3.4 or v3.5, which spec requires to be treated |
70848515 TS |
2327 | * as equivalent to v3.3 by servers |
2328 | */ | |
b0566f4f | 2329 | if (vs->minor == 4 || vs->minor == 5) |
28a76be8 | 2330 | vs->minor = 3; |
70848515 TS |
2331 | |
2332 | if (vs->minor == 3) { | |
7e7e2ebc | 2333 | if (vs->auth == VNC_AUTH_NONE) { |
70848515 | 2334 | VNC_DEBUG("Tell client auth none\n"); |
7e7e2ebc | 2335 | vnc_write_u32(vs, vs->auth); |
70848515 | 2336 | vnc_flush(vs); |
28a76be8 | 2337 | start_client_init(vs); |
7e7e2ebc | 2338 | } else if (vs->auth == VNC_AUTH_VNC) { |
70848515 | 2339 | VNC_DEBUG("Tell client VNC auth\n"); |
7e7e2ebc | 2340 | vnc_write_u32(vs, vs->auth); |
70848515 TS |
2341 | vnc_flush(vs); |
2342 | start_auth_vnc(vs); | |
2343 | } else { | |
7e7e2ebc | 2344 | VNC_DEBUG("Unsupported auth %d for protocol 3.3\n", vs->auth); |
70848515 TS |
2345 | vnc_write_u32(vs, VNC_AUTH_INVALID); |
2346 | vnc_flush(vs); | |
2347 | vnc_client_error(vs); | |
2348 | } | |
2349 | } else { | |
7e7e2ebc | 2350 | VNC_DEBUG("Telling client we support auth %d\n", vs->auth); |
28a76be8 | 2351 | vnc_write_u8(vs, 1); /* num auth */ |
7e7e2ebc | 2352 | vnc_write_u8(vs, vs->auth); |
28a76be8 AL |
2353 | vnc_read_when(vs, protocol_client_auth, 1); |
2354 | vnc_flush(vs); | |
70848515 | 2355 | } |
24236869 FB |
2356 | |
2357 | return 0; | |
2358 | } | |
2359 | ||
999342a0 CC |
2360 | static VncRectStat *vnc_stat_rect(VncDisplay *vd, int x, int y) |
2361 | { | |
2362 | struct VncSurface *vs = &vd->guest; | |
2363 | ||
2364 | return &vs->stats[y / VNC_STAT_RECT][x / VNC_STAT_RECT]; | |
2365 | } | |
2366 | ||
7d964c9d CC |
2367 | void vnc_sent_lossy_rect(VncState *vs, int x, int y, int w, int h) |
2368 | { | |
2369 | int i, j; | |
2370 | ||
2371 | w = (x + w) / VNC_STAT_RECT; | |
2372 | h = (y + h) / VNC_STAT_RECT; | |
2373 | x /= VNC_STAT_RECT; | |
2374 | y /= VNC_STAT_RECT; | |
2375 | ||
207f328a CC |
2376 | for (j = y; j <= h; j++) { |
2377 | for (i = x; i <= w; i++) { | |
7d964c9d CC |
2378 | vs->lossy_rect[j][i] = 1; |
2379 | } | |
2380 | } | |
2381 | } | |
2382 | ||
2383 | static int vnc_refresh_lossy_rect(VncDisplay *vd, int x, int y) | |
2384 | { | |
2385 | VncState *vs; | |
2386 | int sty = y / VNC_STAT_RECT; | |
2387 | int stx = x / VNC_STAT_RECT; | |
2388 | int has_dirty = 0; | |
2389 | ||
2390 | y = y / VNC_STAT_RECT * VNC_STAT_RECT; | |
2391 | x = x / VNC_STAT_RECT * VNC_STAT_RECT; | |
2392 | ||
2393 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
bc2429b9 | 2394 | int j; |
7d964c9d CC |
2395 | |
2396 | /* kernel send buffers are full -> refresh later */ | |
2397 | if (vs->output.offset) { | |
2398 | continue; | |
2399 | } | |
2400 | ||
2401 | if (!vs->lossy_rect[sty][stx]) { | |
2402 | continue; | |
2403 | } | |
207f328a | 2404 | |
7d964c9d CC |
2405 | vs->lossy_rect[sty][stx] = 0; |
2406 | for (j = 0; j < VNC_STAT_RECT; ++j) { | |
bc2429b9 | 2407 | bitmap_set(vs->dirty[y + j], x / 16, VNC_STAT_RECT / 16); |
7d964c9d CC |
2408 | } |
2409 | has_dirty++; | |
2410 | } | |
207f328a | 2411 | |
7d964c9d CC |
2412 | return has_dirty; |
2413 | } | |
2414 | ||
2415 | static int vnc_update_stats(VncDisplay *vd, struct timeval * tv) | |
999342a0 CC |
2416 | { |
2417 | int x, y; | |
2418 | struct timeval res; | |
7d964c9d | 2419 | int has_dirty = 0; |
999342a0 CC |
2420 | |
2421 | for (y = 0; y < vd->guest.ds->height; y += VNC_STAT_RECT) { | |
2422 | for (x = 0; x < vd->guest.ds->width; x += VNC_STAT_RECT) { | |
2423 | VncRectStat *rect = vnc_stat_rect(vd, x, y); | |
2424 | ||
2425 | rect->updated = false; | |
2426 | } | |
2427 | } | |
2428 | ||
ad620c29 | 2429 | qemu_timersub(tv, &VNC_REFRESH_STATS, &res); |
999342a0 CC |
2430 | |
2431 | if (timercmp(&vd->guest.last_freq_check, &res, >)) { | |
7d964c9d | 2432 | return has_dirty; |
999342a0 CC |
2433 | } |
2434 | vd->guest.last_freq_check = *tv; | |
2435 | ||
2436 | for (y = 0; y < vd->guest.ds->height; y += VNC_STAT_RECT) { | |
2437 | for (x = 0; x < vd->guest.ds->width; x += VNC_STAT_RECT) { | |
2438 | VncRectStat *rect= vnc_stat_rect(vd, x, y); | |
2439 | int count = ARRAY_SIZE(rect->times); | |
2440 | struct timeval min, max; | |
2441 | ||
2442 | if (!timerisset(&rect->times[count - 1])) { | |
2443 | continue ; | |
2444 | } | |
2445 | ||
2446 | max = rect->times[(rect->idx + count - 1) % count]; | |
ad620c29 | 2447 | qemu_timersub(tv, &max, &res); |
999342a0 CC |
2448 | |
2449 | if (timercmp(&res, &VNC_REFRESH_LOSSY, >)) { | |
2450 | rect->freq = 0; | |
7d964c9d | 2451 | has_dirty += vnc_refresh_lossy_rect(vd, x, y); |
999342a0 CC |
2452 | memset(rect->times, 0, sizeof (rect->times)); |
2453 | continue ; | |
2454 | } | |
2455 | ||
2456 | min = rect->times[rect->idx]; | |
2457 | max = rect->times[(rect->idx + count - 1) % count]; | |
ad620c29 | 2458 | qemu_timersub(&max, &min, &res); |
999342a0 CC |
2459 | |
2460 | rect->freq = res.tv_sec + res.tv_usec / 1000000.; | |
2461 | rect->freq /= count; | |
2462 | rect->freq = 1. / rect->freq; | |
2463 | } | |
2464 | } | |
7d964c9d | 2465 | return has_dirty; |
999342a0 CC |
2466 | } |
2467 | ||
2468 | double vnc_update_freq(VncState *vs, int x, int y, int w, int h) | |
2469 | { | |
2470 | int i, j; | |
2471 | double total = 0; | |
2472 | int num = 0; | |
2473 | ||
2474 | x = (x / VNC_STAT_RECT) * VNC_STAT_RECT; | |
2475 | y = (y / VNC_STAT_RECT) * VNC_STAT_RECT; | |
2476 | ||
2477 | for (j = y; j <= y + h; j += VNC_STAT_RECT) { | |
2478 | for (i = x; i <= x + w; i += VNC_STAT_RECT) { | |
2479 | total += vnc_stat_rect(vs->vd, i, j)->freq; | |
2480 | num++; | |
2481 | } | |
2482 | } | |
2483 | ||
2484 | if (num) { | |
2485 | return total / num; | |
2486 | } else { | |
2487 | return 0; | |
2488 | } | |
2489 | } | |
2490 | ||
2491 | static void vnc_rect_updated(VncDisplay *vd, int x, int y, struct timeval * tv) | |
2492 | { | |
2493 | VncRectStat *rect; | |
2494 | ||
2495 | rect = vnc_stat_rect(vd, x, y); | |
2496 | if (rect->updated) { | |
2497 | return ; | |
2498 | } | |
2499 | rect->times[rect->idx] = *tv; | |
2500 | rect->idx = (rect->idx + 1) % ARRAY_SIZE(rect->times); | |
2501 | rect->updated = true; | |
2502 | } | |
2503 | ||
1fc62412 SS |
2504 | static int vnc_refresh_server_surface(VncDisplay *vd) |
2505 | { | |
2506 | int y; | |
2507 | uint8_t *guest_row; | |
2508 | uint8_t *server_row; | |
2509 | int cmp_bytes; | |
41b4bef6 | 2510 | VncState *vs; |
1fc62412 SS |
2511 | int has_dirty = 0; |
2512 | ||
80e0c8c3 | 2513 | struct timeval tv = { 0, 0 }; |
999342a0 | 2514 | |
80e0c8c3 CC |
2515 | if (!vd->non_adaptive) { |
2516 | gettimeofday(&tv, NULL); | |
2517 | has_dirty = vnc_update_stats(vd, &tv); | |
2518 | } | |
999342a0 | 2519 | |
1fc62412 SS |
2520 | /* |
2521 | * Walk through the guest dirty map. | |
2522 | * Check and copy modified bits from guest to server surface. | |
2523 | * Update server dirty map. | |
2524 | */ | |
1fc62412 SS |
2525 | cmp_bytes = 16 * ds_get_bytes_per_pixel(vd->ds); |
2526 | guest_row = vd->guest.ds->data; | |
2527 | server_row = vd->server->data; | |
2528 | for (y = 0; y < vd->guest.ds->height; y++) { | |
23bfe28f | 2529 | if (!bitmap_empty(vd->guest.dirty[y], VNC_DIRTY_BITS)) { |
1fc62412 SS |
2530 | int x; |
2531 | uint8_t *guest_ptr; | |
2532 | uint8_t *server_ptr; | |
2533 | ||
2534 | guest_ptr = guest_row; | |
2535 | server_ptr = server_row; | |
2536 | ||
ce3e1417 | 2537 | for (x = 0; x + 15 < vd->guest.ds->width; |
1fc62412 | 2538 | x += 16, guest_ptr += cmp_bytes, server_ptr += cmp_bytes) { |
bc2429b9 | 2539 | if (!test_and_clear_bit((x / 16), vd->guest.dirty[y])) |
1fc62412 | 2540 | continue; |
1fc62412 SS |
2541 | if (memcmp(server_ptr, guest_ptr, cmp_bytes) == 0) |
2542 | continue; | |
2543 | memcpy(server_ptr, guest_ptr, cmp_bytes); | |
80e0c8c3 CC |
2544 | if (!vd->non_adaptive) |
2545 | vnc_rect_updated(vd, x, y, &tv); | |
41b4bef6 | 2546 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
bc2429b9 | 2547 | set_bit((x / 16), vs->dirty[y]); |
1fc62412 SS |
2548 | } |
2549 | has_dirty++; | |
2550 | } | |
2551 | } | |
2552 | guest_row += ds_get_linesize(vd->ds); | |
2553 | server_row += ds_get_linesize(vd->ds); | |
2554 | } | |
2555 | return has_dirty; | |
2556 | } | |
2557 | ||
703bc68f SS |
2558 | static void vnc_refresh(void *opaque) |
2559 | { | |
2560 | VncDisplay *vd = opaque; | |
41b4bef6 AS |
2561 | VncState *vs, *vn; |
2562 | int has_dirty, rects = 0; | |
703bc68f SS |
2563 | |
2564 | vga_hw_update(); | |
2565 | ||
bd023f95 CC |
2566 | if (vnc_trylock_display(vd)) { |
2567 | vd->timer_interval = VNC_REFRESH_INTERVAL_BASE; | |
7bd427d8 | 2568 | qemu_mod_timer(vd->timer, qemu_get_clock_ms(rt_clock) + |
bd023f95 CC |
2569 | vd->timer_interval); |
2570 | return; | |
2571 | } | |
2572 | ||
1fc62412 | 2573 | has_dirty = vnc_refresh_server_surface(vd); |
bd023f95 | 2574 | vnc_unlock_display(vd); |
1fc62412 | 2575 | |
41b4bef6 | 2576 | QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) { |
2430ffe4 | 2577 | rects += vnc_update_client(vs, has_dirty); |
6185c578 | 2578 | /* vs might be free()ed here */ |
703bc68f | 2579 | } |
bd023f95 | 2580 | |
83755c17 SS |
2581 | /* vd->timer could be NULL now if the last client disconnected, |
2582 | * in this case don't update the timer */ | |
2583 | if (vd->timer == NULL) | |
2584 | return; | |
703bc68f | 2585 | |
2430ffe4 SS |
2586 | if (has_dirty && rects) { |
2587 | vd->timer_interval /= 2; | |
2588 | if (vd->timer_interval < VNC_REFRESH_INTERVAL_BASE) | |
2589 | vd->timer_interval = VNC_REFRESH_INTERVAL_BASE; | |
2590 | } else { | |
2591 | vd->timer_interval += VNC_REFRESH_INTERVAL_INC; | |
2592 | if (vd->timer_interval > VNC_REFRESH_INTERVAL_MAX) | |
2593 | vd->timer_interval = VNC_REFRESH_INTERVAL_MAX; | |
2594 | } | |
7bd427d8 | 2595 | qemu_mod_timer(vd->timer, qemu_get_clock_ms(rt_clock) + vd->timer_interval); |
703bc68f SS |
2596 | } |
2597 | ||
2598 | static void vnc_init_timer(VncDisplay *vd) | |
2599 | { | |
2430ffe4 | 2600 | vd->timer_interval = VNC_REFRESH_INTERVAL_BASE; |
41b4bef6 | 2601 | if (vd->timer == NULL && !QTAILQ_EMPTY(&vd->clients)) { |
7bd427d8 | 2602 | vd->timer = qemu_new_timer_ms(rt_clock, vnc_refresh, vd); |
5db8378a | 2603 | vnc_dpy_resize(vd->ds); |
1fc62412 | 2604 | vnc_refresh(vd); |
703bc68f SS |
2605 | } |
2606 | } | |
2607 | ||
2608 | static void vnc_remove_timer(VncDisplay *vd) | |
2609 | { | |
41b4bef6 | 2610 | if (vd->timer != NULL && QTAILQ_EMPTY(&vd->clients)) { |
703bc68f SS |
2611 | qemu_del_timer(vd->timer); |
2612 | qemu_free_timer(vd->timer); | |
2613 | vd->timer = NULL; | |
2614 | } | |
2615 | } | |
2616 | ||
7e7e2ebc | 2617 | static void vnc_connect(VncDisplay *vd, int csock, int skipauth) |
3aa3eea3 | 2618 | { |
7267c094 | 2619 | VncState *vs = g_malloc0(sizeof(VncState)); |
7d964c9d CC |
2620 | int i; |
2621 | ||
753b4053 | 2622 | vs->csock = csock; |
7e7e2ebc DB |
2623 | |
2624 | if (skipauth) { | |
2625 | vs->auth = VNC_AUTH_NONE; | |
2626 | #ifdef CONFIG_VNC_TLS | |
2627 | vs->subauth = VNC_AUTH_INVALID; | |
2628 | #endif | |
2629 | } else { | |
2630 | vs->auth = vd->auth; | |
2631 | #ifdef CONFIG_VNC_TLS | |
2632 | vs->subauth = vd->subauth; | |
2633 | #endif | |
2634 | } | |
2635 | ||
7267c094 | 2636 | vs->lossy_rect = g_malloc0(VNC_STAT_ROWS * sizeof (*vs->lossy_rect)); |
7d964c9d | 2637 | for (i = 0; i < VNC_STAT_ROWS; ++i) { |
7267c094 | 2638 | vs->lossy_rect[i] = g_malloc0(VNC_STAT_COLS * sizeof (uint8_t)); |
7d964c9d | 2639 | } |
753b4053 AL |
2640 | |
2641 | VNC_DEBUG("New client on socket %d\n", csock); | |
7d957bd8 | 2642 | dcl->idle = 0; |
3aa3eea3 AZ |
2643 | socket_set_nonblock(vs->csock); |
2644 | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); | |
753b4053 | 2645 | |
4a80dba3 | 2646 | vnc_client_cache_addr(vs); |
586153d9 | 2647 | vnc_qmp_event(vs, QEVENT_VNC_CONNECTED); |
8cf36489 | 2648 | vnc_set_share_mode(vs, VNC_SHARE_MODE_CONNECTING); |
4a80dba3 | 2649 | |
753b4053 AL |
2650 | vs->vd = vd; |
2651 | vs->ds = vd->ds; | |
753b4053 AL |
2652 | vs->last_x = -1; |
2653 | vs->last_y = -1; | |
2654 | ||
2655 | vs->as.freq = 44100; | |
2656 | vs->as.nchannels = 2; | |
2657 | vs->as.fmt = AUD_FMT_S16; | |
2658 | vs->as.endianness = 0; | |
2659 | ||
bd023f95 CC |
2660 | #ifdef CONFIG_VNC_THREAD |
2661 | qemu_mutex_init(&vs->output_mutex); | |
2662 | #endif | |
2663 | ||
41b4bef6 | 2664 | QTAILQ_INSERT_HEAD(&vd->clients, vs, next); |
1fc62412 SS |
2665 | |
2666 | vga_hw_update(); | |
2667 | ||
3aa3eea3 AZ |
2668 | vnc_write(vs, "RFB 003.008\n", 12); |
2669 | vnc_flush(vs); | |
2670 | vnc_read_when(vs, protocol_version, 12); | |
53762ddb | 2671 | reset_keys(vs); |
3a0558b5 GH |
2672 | if (vs->vd->lock_key_sync) |
2673 | vs->led = qemu_add_led_event_handler(kbd_leds, vs); | |
753b4053 | 2674 | |
37c34d9d AL |
2675 | vs->mouse_mode_notifier.notify = check_pointer_type_change; |
2676 | qemu_add_mouse_mode_change_notifier(&vs->mouse_mode_notifier); | |
2677 | ||
703bc68f | 2678 | vnc_init_timer(vd); |
1fc62412 | 2679 | |
198a0039 | 2680 | /* vs might be free()ed here */ |
3aa3eea3 AZ |
2681 | } |
2682 | ||
24236869 FB |
2683 | static void vnc_listen_read(void *opaque) |
2684 | { | |
753b4053 | 2685 | VncDisplay *vs = opaque; |
24236869 FB |
2686 | struct sockaddr_in addr; |
2687 | socklen_t addrlen = sizeof(addr); | |
2688 | ||
9f60ad50 AZ |
2689 | /* Catch-up */ |
2690 | vga_hw_update(); | |
2691 | ||
40ff6d7e | 2692 | int csock = qemu_accept(vs->lsock, (struct sockaddr *)&addr, &addrlen); |
753b4053 | 2693 | if (csock != -1) { |
7e7e2ebc | 2694 | vnc_connect(vs, csock, 0); |
24236869 FB |
2695 | } |
2696 | } | |
2697 | ||
71cab5ca | 2698 | void vnc_display_init(DisplayState *ds) |
24236869 | 2699 | { |
7267c094 | 2700 | VncDisplay *vs = g_malloc0(sizeof(*vs)); |
24236869 | 2701 | |
7267c094 | 2702 | dcl = g_malloc0(sizeof(DisplayChangeListener)); |
24236869 FB |
2703 | |
2704 | ds->opaque = vs; | |
7d957bd8 | 2705 | dcl->idle = 1; |
753b4053 | 2706 | vnc_display = vs; |
24236869 FB |
2707 | |
2708 | vs->lsock = -1; | |
24236869 FB |
2709 | |
2710 | vs->ds = ds; | |
41b4bef6 | 2711 | QTAILQ_INIT(&vs->clients); |
3c9405a0 | 2712 | vs->expires = TIME_MAX; |
24236869 | 2713 | |
9ca313aa | 2714 | if (keyboard_layout) |
0483755a | 2715 | vs->kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout); |
9ca313aa | 2716 | else |
0483755a | 2717 | vs->kbd_layout = init_keyboard_layout(name2keysym, "en-us"); |
24236869 | 2718 | |
24236869 | 2719 | if (!vs->kbd_layout) |
28a76be8 | 2720 | exit(1); |
24236869 | 2721 | |
bd023f95 CC |
2722 | #ifdef CONFIG_VNC_THREAD |
2723 | qemu_mutex_init(&vs->mutex); | |
2724 | vnc_start_worker_thread(); | |
2725 | #endif | |
2726 | ||
753b4053 | 2727 | dcl->dpy_copy = vnc_dpy_copy; |
7d957bd8 AL |
2728 | dcl->dpy_update = vnc_dpy_update; |
2729 | dcl->dpy_resize = vnc_dpy_resize; | |
2730 | dcl->dpy_setdata = vnc_dpy_setdata; | |
7d957bd8 | 2731 | register_displaychangelistener(ds, dcl); |
d467b679 GH |
2732 | ds->mouse_set = vnc_mouse_set; |
2733 | ds->cursor_define = vnc_dpy_cursor_define; | |
71cab5ca TS |
2734 | } |
2735 | ||
6f43024c | 2736 | |
71cab5ca TS |
2737 | void vnc_display_close(DisplayState *ds) |
2738 | { | |
753b4053 | 2739 | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; |
71cab5ca | 2740 | |
452b4d88 AL |
2741 | if (!vs) |
2742 | return; | |
71cab5ca | 2743 | if (vs->display) { |
7267c094 | 2744 | g_free(vs->display); |
28a76be8 | 2745 | vs->display = NULL; |
71cab5ca TS |
2746 | } |
2747 | if (vs->lsock != -1) { | |
28a76be8 AL |
2748 | qemu_set_fd_handler2(vs->lsock, NULL, NULL, NULL, NULL); |
2749 | close(vs->lsock); | |
2750 | vs->lsock = -1; | |
71cab5ca | 2751 | } |
70848515 | 2752 | vs->auth = VNC_AUTH_INVALID; |
eb38c52c | 2753 | #ifdef CONFIG_VNC_TLS |
8d5d2d4c | 2754 | vs->subauth = VNC_AUTH_INVALID; |
5fb6c7a8 | 2755 | vs->tls.x509verify = 0; |
8d5d2d4c | 2756 | #endif |
70848515 TS |
2757 | } |
2758 | ||
1cd20f8b AL |
2759 | int vnc_display_disable_login(DisplayState *ds) |
2760 | { | |
2761 | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; | |
2762 | ||
2763 | if (!vs) { | |
2764 | return -1; | |
2765 | } | |
2766 | ||
2767 | if (vs->password) { | |
7267c094 | 2768 | g_free(vs->password); |
1cd20f8b AL |
2769 | } |
2770 | ||
2771 | vs->password = NULL; | |
2772 | vs->auth = VNC_AUTH_VNC; | |
2773 | ||
2774 | return 0; | |
2775 | } | |
2776 | ||
70848515 TS |
2777 | int vnc_display_password(DisplayState *ds, const char *password) |
2778 | { | |
753b4053 | 2779 | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; |
70848515 | 2780 | |
7ef92331 | 2781 | if (!vs) { |
a6aa9d3e | 2782 | return -EINVAL; |
7ef92331 ZA |
2783 | } |
2784 | ||
1cd20f8b AL |
2785 | if (!password) { |
2786 | /* This is not the intention of this interface but err on the side | |
2787 | of being safe */ | |
a6aa9d3e | 2788 | return vnc_display_disable_login(ds); |
1cd20f8b AL |
2789 | } |
2790 | ||
70848515 | 2791 | if (vs->password) { |
7267c094 | 2792 | g_free(vs->password); |
28a76be8 | 2793 | vs->password = NULL; |
70848515 | 2794 | } |
7267c094 | 2795 | vs->password = g_strdup(password); |
1cd20f8b | 2796 | vs->auth = VNC_AUTH_VNC; |
a6aa9d3e LC |
2797 | |
2798 | return 0; | |
71cab5ca TS |
2799 | } |
2800 | ||
3c9405a0 GH |
2801 | int vnc_display_pw_expire(DisplayState *ds, time_t expires) |
2802 | { | |
2803 | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; | |
2804 | ||
2805 | vs->expires = expires; | |
2806 | return 0; | |
2807 | } | |
2808 | ||
f92f8afe AL |
2809 | char *vnc_display_local_addr(DisplayState *ds) |
2810 | { | |
2811 | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; | |
2812 | ||
2813 | return vnc_socket_local_addr("%s:%s", vs->lsock); | |
2814 | } | |
2815 | ||
70848515 | 2816 | int vnc_display_open(DisplayState *ds, const char *display) |
71cab5ca | 2817 | { |
753b4053 | 2818 | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; |
70848515 TS |
2819 | const char *options; |
2820 | int password = 0; | |
3aa3eea3 | 2821 | int reverse = 0; |
eb38c52c | 2822 | #ifdef CONFIG_VNC_TLS |
3a702699 | 2823 | int tls = 0, x509 = 0; |
8d5d2d4c | 2824 | #endif |
2f9606b3 AL |
2825 | #ifdef CONFIG_VNC_SASL |
2826 | int sasl = 0; | |
2827 | int saslErr; | |
2828 | #endif | |
2ded6ad7 | 2829 | #if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) |
76655d6d | 2830 | int acl = 0; |
2ded6ad7 | 2831 | #endif |
3a0558b5 | 2832 | int lock_key_sync = 1; |
71cab5ca | 2833 | |
753b4053 | 2834 | if (!vnc_display) |
452b4d88 | 2835 | return -1; |
71cab5ca | 2836 | vnc_display_close(ds); |
70848515 | 2837 | if (strcmp(display, "none") == 0) |
28a76be8 | 2838 | return 0; |
24236869 | 2839 | |
70848515 | 2840 | if (!(vs->display = strdup(display))) |
28a76be8 | 2841 | return -1; |
8cf36489 | 2842 | vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE; |
70848515 TS |
2843 | |
2844 | options = display; | |
2845 | while ((options = strchr(options, ','))) { | |
28a76be8 AL |
2846 | options++; |
2847 | if (strncmp(options, "password", 8) == 0) { | |
2848 | password = 1; /* Require password auth */ | |
2849 | } else if (strncmp(options, "reverse", 7) == 0) { | |
2850 | reverse = 1; | |
cee8e6ad | 2851 | } else if (strncmp(options, "no-lock-key-sync", 16) == 0) { |
3a0558b5 | 2852 | lock_key_sync = 0; |
2f9606b3 | 2853 | #ifdef CONFIG_VNC_SASL |
28a76be8 AL |
2854 | } else if (strncmp(options, "sasl", 4) == 0) { |
2855 | sasl = 1; /* Require SASL auth */ | |
2f9606b3 | 2856 | #endif |
eb38c52c | 2857 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
2858 | } else if (strncmp(options, "tls", 3) == 0) { |
2859 | tls = 1; /* Require TLS */ | |
2860 | } else if (strncmp(options, "x509", 4) == 0) { | |
2861 | char *start, *end; | |
2862 | x509 = 1; /* Require x509 certificates */ | |
2863 | if (strncmp(options, "x509verify", 10) == 0) | |
2864 | vs->tls.x509verify = 1; /* ...and verify client certs */ | |
2865 | ||
2866 | /* Now check for 'x509=/some/path' postfix | |
2867 | * and use that to setup x509 certificate/key paths */ | |
2868 | start = strchr(options, '='); | |
2869 | end = strchr(options, ','); | |
2870 | if (start && (!end || (start < end))) { | |
2871 | int len = end ? end-(start+1) : strlen(start+1); | |
7267c094 | 2872 | char *path = g_strndup(start + 1, len); |
28a76be8 AL |
2873 | |
2874 | VNC_DEBUG("Trying certificate path '%s'\n", path); | |
2875 | if (vnc_tls_set_x509_creds_dir(vs, path) < 0) { | |
2876 | fprintf(stderr, "Failed to find x509 certificates/keys in %s\n", path); | |
7267c094 AL |
2877 | g_free(path); |
2878 | g_free(vs->display); | |
28a76be8 AL |
2879 | vs->display = NULL; |
2880 | return -1; | |
2881 | } | |
7267c094 | 2882 | g_free(path); |
28a76be8 AL |
2883 | } else { |
2884 | fprintf(stderr, "No certificate path provided\n"); | |
7267c094 | 2885 | g_free(vs->display); |
28a76be8 AL |
2886 | vs->display = NULL; |
2887 | return -1; | |
2888 | } | |
8d5d2d4c | 2889 | #endif |
2ded6ad7 | 2890 | #if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) |
28a76be8 AL |
2891 | } else if (strncmp(options, "acl", 3) == 0) { |
2892 | acl = 1; | |
2ded6ad7 | 2893 | #endif |
6f9c78c1 CC |
2894 | } else if (strncmp(options, "lossy", 5) == 0) { |
2895 | vs->lossy = true; | |
80e0c8c3 CC |
2896 | } else if (strncmp(options, "non-adapative", 13) == 0) { |
2897 | vs->non_adaptive = true; | |
8cf36489 GH |
2898 | } else if (strncmp(options, "share=", 6) == 0) { |
2899 | if (strncmp(options+6, "ignore", 6) == 0) { | |
2900 | vs->share_policy = VNC_SHARE_POLICY_IGNORE; | |
2901 | } else if (strncmp(options+6, "allow-exclusive", 15) == 0) { | |
2902 | vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE; | |
2903 | } else if (strncmp(options+6, "force-shared", 12) == 0) { | |
2904 | vs->share_policy = VNC_SHARE_POLICY_FORCE_SHARED; | |
2905 | } else { | |
2906 | fprintf(stderr, "unknown vnc share= option\n"); | |
2907 | g_free(vs->display); | |
2908 | vs->display = NULL; | |
2909 | return -1; | |
2910 | } | |
28a76be8 | 2911 | } |
70848515 TS |
2912 | } |
2913 | ||
76655d6d AL |
2914 | #ifdef CONFIG_VNC_TLS |
2915 | if (acl && x509 && vs->tls.x509verify) { | |
28a76be8 AL |
2916 | if (!(vs->tls.acl = qemu_acl_init("vnc.x509dname"))) { |
2917 | fprintf(stderr, "Failed to create x509 dname ACL\n"); | |
2918 | exit(1); | |
2919 | } | |
76655d6d AL |
2920 | } |
2921 | #endif | |
2922 | #ifdef CONFIG_VNC_SASL | |
2923 | if (acl && sasl) { | |
28a76be8 AL |
2924 | if (!(vs->sasl.acl = qemu_acl_init("vnc.username"))) { |
2925 | fprintf(stderr, "Failed to create username ACL\n"); | |
2926 | exit(1); | |
2927 | } | |
76655d6d AL |
2928 | } |
2929 | #endif | |
2930 | ||
2f9606b3 AL |
2931 | /* |
2932 | * Combinations we support here: | |
2933 | * | |
2934 | * - no-auth (clear text, no auth) | |
2935 | * - password (clear text, weak auth) | |
2936 | * - sasl (encrypt, good auth *IF* using Kerberos via GSSAPI) | |
2937 | * - tls (encrypt, weak anonymous creds, no auth) | |
2938 | * - tls + password (encrypt, weak anonymous creds, weak auth) | |
2939 | * - tls + sasl (encrypt, weak anonymous creds, good auth) | |
2940 | * - tls + x509 (encrypt, good x509 creds, no auth) | |
2941 | * - tls + x509 + password (encrypt, good x509 creds, weak auth) | |
2942 | * - tls + x509 + sasl (encrypt, good x509 creds, good auth) | |
2943 | * | |
2944 | * NB1. TLS is a stackable auth scheme. | |
2945 | * NB2. the x509 schemes have option to validate a client cert dname | |
2946 | */ | |
70848515 | 2947 | if (password) { |
eb38c52c | 2948 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
2949 | if (tls) { |
2950 | vs->auth = VNC_AUTH_VENCRYPT; | |
2951 | if (x509) { | |
2952 | VNC_DEBUG("Initializing VNC server with x509 password auth\n"); | |
2953 | vs->subauth = VNC_AUTH_VENCRYPT_X509VNC; | |
2954 | } else { | |
2955 | VNC_DEBUG("Initializing VNC server with TLS password auth\n"); | |
2956 | vs->subauth = VNC_AUTH_VENCRYPT_TLSVNC; | |
2957 | } | |
2958 | } else { | |
2f9606b3 | 2959 | #endif /* CONFIG_VNC_TLS */ |
28a76be8 AL |
2960 | VNC_DEBUG("Initializing VNC server with password auth\n"); |
2961 | vs->auth = VNC_AUTH_VNC; | |
eb38c52c | 2962 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
2963 | vs->subauth = VNC_AUTH_INVALID; |
2964 | } | |
2f9606b3 AL |
2965 | #endif /* CONFIG_VNC_TLS */ |
2966 | #ifdef CONFIG_VNC_SASL | |
2967 | } else if (sasl) { | |
2968 | #ifdef CONFIG_VNC_TLS | |
2969 | if (tls) { | |
2970 | vs->auth = VNC_AUTH_VENCRYPT; | |
2971 | if (x509) { | |
28a76be8 | 2972 | VNC_DEBUG("Initializing VNC server with x509 SASL auth\n"); |
2f9606b3 AL |
2973 | vs->subauth = VNC_AUTH_VENCRYPT_X509SASL; |
2974 | } else { | |
28a76be8 | 2975 | VNC_DEBUG("Initializing VNC server with TLS SASL auth\n"); |
2f9606b3 AL |
2976 | vs->subauth = VNC_AUTH_VENCRYPT_TLSSASL; |
2977 | } | |
2978 | } else { | |
2979 | #endif /* CONFIG_VNC_TLS */ | |
28a76be8 | 2980 | VNC_DEBUG("Initializing VNC server with SASL auth\n"); |
2f9606b3 AL |
2981 | vs->auth = VNC_AUTH_SASL; |
2982 | #ifdef CONFIG_VNC_TLS | |
2983 | vs->subauth = VNC_AUTH_INVALID; | |
2984 | } | |
2985 | #endif /* CONFIG_VNC_TLS */ | |
2986 | #endif /* CONFIG_VNC_SASL */ | |
70848515 | 2987 | } else { |
eb38c52c | 2988 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
2989 | if (tls) { |
2990 | vs->auth = VNC_AUTH_VENCRYPT; | |
2991 | if (x509) { | |
2992 | VNC_DEBUG("Initializing VNC server with x509 no auth\n"); | |
2993 | vs->subauth = VNC_AUTH_VENCRYPT_X509NONE; | |
2994 | } else { | |
2995 | VNC_DEBUG("Initializing VNC server with TLS no auth\n"); | |
2996 | vs->subauth = VNC_AUTH_VENCRYPT_TLSNONE; | |
2997 | } | |
2998 | } else { | |
8d5d2d4c | 2999 | #endif |
28a76be8 AL |
3000 | VNC_DEBUG("Initializing VNC server with no auth\n"); |
3001 | vs->auth = VNC_AUTH_NONE; | |
eb38c52c | 3002 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
3003 | vs->subauth = VNC_AUTH_INVALID; |
3004 | } | |
8d5d2d4c | 3005 | #endif |
70848515 | 3006 | } |
24236869 | 3007 | |
2f9606b3 AL |
3008 | #ifdef CONFIG_VNC_SASL |
3009 | if ((saslErr = sasl_server_init(NULL, "qemu")) != SASL_OK) { | |
3010 | fprintf(stderr, "Failed to initialize SASL auth %s", | |
3011 | sasl_errstring(saslErr, NULL, NULL)); | |
ae878b17 | 3012 | g_free(vs->display); |
2f9606b3 AL |
3013 | vs->display = NULL; |
3014 | return -1; | |
3015 | } | |
3016 | #endif | |
3a0558b5 | 3017 | vs->lock_key_sync = lock_key_sync; |
2f9606b3 | 3018 | |
3aa3eea3 | 3019 | if (reverse) { |
9712ecaf AL |
3020 | /* connect to viewer */ |
3021 | if (strncmp(display, "unix:", 5) == 0) | |
3022 | vs->lsock = unix_connect(display+5); | |
3023 | else | |
3024 | vs->lsock = inet_connect(display, SOCK_STREAM); | |
3025 | if (-1 == vs->lsock) { | |
ae878b17 | 3026 | g_free(vs->display); |
3aa3eea3 AZ |
3027 | vs->display = NULL; |
3028 | return -1; | |
3029 | } else { | |
753b4053 | 3030 | int csock = vs->lsock; |
3aa3eea3 | 3031 | vs->lsock = -1; |
7e7e2ebc | 3032 | vnc_connect(vs, csock, 0); |
3aa3eea3 | 3033 | } |
9712ecaf | 3034 | return 0; |
24236869 | 3035 | |
9712ecaf AL |
3036 | } else { |
3037 | /* listen for connects */ | |
3038 | char *dpy; | |
7267c094 | 3039 | dpy = g_malloc(256); |
9712ecaf | 3040 | if (strncmp(display, "unix:", 5) == 0) { |
bc575e95 | 3041 | pstrcpy(dpy, 256, "unix:"); |
4a55bfdf | 3042 | vs->lsock = unix_listen(display+5, dpy+5, 256-5); |
9712ecaf AL |
3043 | } else { |
3044 | vs->lsock = inet_listen(display, dpy, 256, SOCK_STREAM, 5900); | |
3045 | } | |
3046 | if (-1 == vs->lsock) { | |
ae878b17 | 3047 | g_free(dpy); |
d0513623 | 3048 | return -1; |
9712ecaf | 3049 | } else { |
ae878b17 | 3050 | g_free(vs->display); |
9712ecaf AL |
3051 | vs->display = dpy; |
3052 | } | |
24236869 | 3053 | } |
753b4053 | 3054 | return qemu_set_fd_handler2(vs->lsock, NULL, vnc_listen_read, NULL, vs); |
24236869 | 3055 | } |
13661089 DB |
3056 | |
3057 | void vnc_display_add_client(DisplayState *ds, int csock, int skipauth) | |
3058 | { | |
3059 | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; | |
3060 | ||
3061 | return vnc_connect(vs, csock, skipauth); | |
3062 | } |