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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 | 48 | static int vnc_cursor_define(VncState *vs); |
7bc9318b | 49 | static void vnc_release_modifiers(VncState *vs); |
d467b679 | 50 | |
8cf36489 GH |
51 | static void vnc_set_share_mode(VncState *vs, VncShareMode mode) |
52 | { | |
53 | #ifdef _VNC_DEBUG | |
54 | static const char *mn[] = { | |
55 | [0] = "undefined", | |
56 | [VNC_SHARE_MODE_CONNECTING] = "connecting", | |
57 | [VNC_SHARE_MODE_SHARED] = "shared", | |
58 | [VNC_SHARE_MODE_EXCLUSIVE] = "exclusive", | |
59 | [VNC_SHARE_MODE_DISCONNECTED] = "disconnected", | |
60 | }; | |
61 | fprintf(stderr, "%s/%d: %s -> %s\n", __func__, | |
62 | vs->csock, mn[vs->share_mode], mn[mode]); | |
63 | #endif | |
64 | ||
65 | if (vs->share_mode == VNC_SHARE_MODE_EXCLUSIVE) { | |
66 | vs->vd->num_exclusive--; | |
67 | } | |
68 | vs->share_mode = mode; | |
69 | if (vs->share_mode == VNC_SHARE_MODE_EXCLUSIVE) { | |
70 | vs->vd->num_exclusive++; | |
71 | } | |
72 | } | |
73 | ||
1ff7df1a AL |
74 | static char *addr_to_string(const char *format, |
75 | struct sockaddr_storage *sa, | |
76 | socklen_t salen) { | |
77 | char *addr; | |
78 | char host[NI_MAXHOST]; | |
79 | char serv[NI_MAXSERV]; | |
80 | int err; | |
457772e6 | 81 | size_t addrlen; |
1ff7df1a AL |
82 | |
83 | if ((err = getnameinfo((struct sockaddr *)sa, salen, | |
84 | host, sizeof(host), | |
85 | serv, sizeof(serv), | |
86 | NI_NUMERICHOST | NI_NUMERICSERV)) != 0) { | |
87 | VNC_DEBUG("Cannot resolve address %d: %s\n", | |
88 | err, gai_strerror(err)); | |
89 | return NULL; | |
90 | } | |
91 | ||
457772e6 | 92 | /* Enough for the existing format + the 2 vars we're |
f425c278 | 93 | * substituting in. */ |
457772e6 | 94 | addrlen = strlen(format) + strlen(host) + strlen(serv); |
7267c094 | 95 | addr = g_malloc(addrlen + 1); |
457772e6 AL |
96 | snprintf(addr, addrlen, format, host, serv); |
97 | addr[addrlen] = '\0'; | |
1ff7df1a AL |
98 | |
99 | return addr; | |
100 | } | |
101 | ||
2f9606b3 AL |
102 | |
103 | char *vnc_socket_local_addr(const char *format, int fd) { | |
1ff7df1a AL |
104 | struct sockaddr_storage sa; |
105 | socklen_t salen; | |
106 | ||
107 | salen = sizeof(sa); | |
108 | if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0) | |
109 | return NULL; | |
110 | ||
111 | return addr_to_string(format, &sa, salen); | |
112 | } | |
113 | ||
2f9606b3 | 114 | char *vnc_socket_remote_addr(const char *format, int fd) { |
1ff7df1a AL |
115 | struct sockaddr_storage sa; |
116 | socklen_t salen; | |
117 | ||
118 | salen = sizeof(sa); | |
119 | if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0) | |
120 | return NULL; | |
121 | ||
122 | return addr_to_string(format, &sa, salen); | |
123 | } | |
124 | ||
d96fd29c LC |
125 | static int put_addr_qdict(QDict *qdict, struct sockaddr_storage *sa, |
126 | socklen_t salen) | |
127 | { | |
128 | char host[NI_MAXHOST]; | |
129 | char serv[NI_MAXSERV]; | |
130 | int err; | |
131 | ||
132 | if ((err = getnameinfo((struct sockaddr *)sa, salen, | |
133 | host, sizeof(host), | |
134 | serv, sizeof(serv), | |
135 | NI_NUMERICHOST | NI_NUMERICSERV)) != 0) { | |
136 | VNC_DEBUG("Cannot resolve address %d: %s\n", | |
137 | err, gai_strerror(err)); | |
138 | return -1; | |
139 | } | |
140 | ||
141 | qdict_put(qdict, "host", qstring_from_str(host)); | |
142 | qdict_put(qdict, "service", qstring_from_str(serv)); | |
dc0d4efc | 143 | qdict_put(qdict, "family",qstring_from_str(inet_strfamily(sa->ss_family))); |
d96fd29c LC |
144 | |
145 | return 0; | |
146 | } | |
147 | ||
a7789382 | 148 | static int vnc_server_addr_put(QDict *qdict, int fd) |
d96fd29c LC |
149 | { |
150 | struct sockaddr_storage sa; | |
151 | socklen_t salen; | |
152 | ||
153 | salen = sizeof(sa); | |
154 | if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0) { | |
155 | return -1; | |
156 | } | |
157 | ||
158 | return put_addr_qdict(qdict, &sa, salen); | |
159 | } | |
160 | ||
161 | static int vnc_qdict_remote_addr(QDict *qdict, int fd) | |
162 | { | |
163 | struct sockaddr_storage sa; | |
164 | socklen_t salen; | |
165 | ||
166 | salen = sizeof(sa); | |
167 | if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0) { | |
168 | return -1; | |
169 | } | |
170 | ||
171 | return put_addr_qdict(qdict, &sa, salen); | |
172 | } | |
173 | ||
1ff7df1a AL |
174 | static const char *vnc_auth_name(VncDisplay *vd) { |
175 | switch (vd->auth) { | |
176 | case VNC_AUTH_INVALID: | |
177 | return "invalid"; | |
178 | case VNC_AUTH_NONE: | |
179 | return "none"; | |
180 | case VNC_AUTH_VNC: | |
181 | return "vnc"; | |
182 | case VNC_AUTH_RA2: | |
183 | return "ra2"; | |
184 | case VNC_AUTH_RA2NE: | |
185 | return "ra2ne"; | |
186 | case VNC_AUTH_TIGHT: | |
187 | return "tight"; | |
188 | case VNC_AUTH_ULTRA: | |
189 | return "ultra"; | |
190 | case VNC_AUTH_TLS: | |
191 | return "tls"; | |
192 | case VNC_AUTH_VENCRYPT: | |
193 | #ifdef CONFIG_VNC_TLS | |
194 | switch (vd->subauth) { | |
195 | case VNC_AUTH_VENCRYPT_PLAIN: | |
196 | return "vencrypt+plain"; | |
197 | case VNC_AUTH_VENCRYPT_TLSNONE: | |
198 | return "vencrypt+tls+none"; | |
199 | case VNC_AUTH_VENCRYPT_TLSVNC: | |
200 | return "vencrypt+tls+vnc"; | |
201 | case VNC_AUTH_VENCRYPT_TLSPLAIN: | |
202 | return "vencrypt+tls+plain"; | |
203 | case VNC_AUTH_VENCRYPT_X509NONE: | |
204 | return "vencrypt+x509+none"; | |
205 | case VNC_AUTH_VENCRYPT_X509VNC: | |
206 | return "vencrypt+x509+vnc"; | |
207 | case VNC_AUTH_VENCRYPT_X509PLAIN: | |
208 | return "vencrypt+x509+plain"; | |
28a76be8 AL |
209 | case VNC_AUTH_VENCRYPT_TLSSASL: |
210 | return "vencrypt+tls+sasl"; | |
211 | case VNC_AUTH_VENCRYPT_X509SASL: | |
212 | return "vencrypt+x509+sasl"; | |
1ff7df1a AL |
213 | default: |
214 | return "vencrypt"; | |
215 | } | |
216 | #else | |
217 | return "vencrypt"; | |
218 | #endif | |
2f9606b3 | 219 | case VNC_AUTH_SASL: |
28a76be8 | 220 | return "sasl"; |
1ff7df1a AL |
221 | } |
222 | return "unknown"; | |
223 | } | |
224 | ||
a7789382 LC |
225 | static int vnc_server_info_put(QDict *qdict) |
226 | { | |
227 | if (vnc_server_addr_put(qdict, vnc_display->lsock) < 0) { | |
228 | return -1; | |
229 | } | |
230 | ||
231 | qdict_put(qdict, "auth", qstring_from_str(vnc_auth_name(vnc_display))); | |
232 | return 0; | |
233 | } | |
234 | ||
4a80dba3 | 235 | static void vnc_client_cache_auth(VncState *client) |
1ff7df1a | 236 | { |
2ded6ad7 | 237 | #if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) |
d96fd29c | 238 | QDict *qdict; |
2ded6ad7 | 239 | #endif |
1ff7df1a | 240 | |
4a80dba3 LC |
241 | if (!client->info) { |
242 | return; | |
d96fd29c | 243 | } |
1263b7d6 | 244 | |
2ded6ad7 | 245 | #if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) |
4a80dba3 | 246 | qdict = qobject_to_qdict(client->info); |
2ded6ad7 | 247 | #endif |
4a80dba3 | 248 | |
1263b7d6 AL |
249 | #ifdef CONFIG_VNC_TLS |
250 | if (client->tls.session && | |
d96fd29c LC |
251 | client->tls.dname) { |
252 | qdict_put(qdict, "x509_dname", qstring_from_str(client->tls.dname)); | |
253 | } | |
1263b7d6 AL |
254 | #endif |
255 | #ifdef CONFIG_VNC_SASL | |
256 | if (client->sasl.conn && | |
d96fd29c | 257 | client->sasl.username) { |
76825067 LC |
258 | qdict_put(qdict, "sasl_username", |
259 | qstring_from_str(client->sasl.username)); | |
d96fd29c | 260 | } |
1263b7d6 | 261 | #endif |
4a80dba3 | 262 | } |
d96fd29c | 263 | |
4a80dba3 LC |
264 | static void vnc_client_cache_addr(VncState *client) |
265 | { | |
266 | QDict *qdict; | |
267 | ||
268 | qdict = qdict_new(); | |
269 | if (vnc_qdict_remote_addr(qdict, client->csock) < 0) { | |
270 | QDECREF(qdict); | |
271 | /* XXX: how to report the error? */ | |
272 | return; | |
273 | } | |
274 | ||
275 | client->info = QOBJECT(qdict); | |
1ff7df1a AL |
276 | } |
277 | ||
586153d9 LC |
278 | static void vnc_qmp_event(VncState *vs, MonitorEvent event) |
279 | { | |
280 | QDict *server; | |
281 | QObject *data; | |
282 | ||
283 | if (!vs->info) { | |
284 | return; | |
285 | } | |
286 | ||
287 | server = qdict_new(); | |
288 | if (vnc_server_info_put(server) < 0) { | |
289 | QDECREF(server); | |
290 | return; | |
291 | } | |
292 | ||
293 | data = qobject_from_jsonf("{ 'client': %p, 'server': %p }", | |
294 | vs->info, QOBJECT(server)); | |
295 | ||
296 | monitor_protocol_event(event, data); | |
297 | ||
298 | qobject_incref(vs->info); | |
299 | qobject_decref(data); | |
300 | } | |
301 | ||
2b54aa87 | 302 | static VncClientInfo *qmp_query_vnc_client(const VncState *client) |
a9ce8590 | 303 | { |
2b54aa87 LC |
304 | struct sockaddr_storage sa; |
305 | socklen_t salen = sizeof(sa); | |
306 | char host[NI_MAXHOST]; | |
307 | char serv[NI_MAXSERV]; | |
308 | VncClientInfo *info; | |
309 | ||
310 | if (getpeername(client->csock, (struct sockaddr *)&sa, &salen) < 0) { | |
311 | return NULL; | |
312 | } | |
313 | ||
314 | if (getnameinfo((struct sockaddr *)&sa, salen, | |
315 | host, sizeof(host), | |
316 | serv, sizeof(serv), | |
317 | NI_NUMERICHOST | NI_NUMERICSERV) < 0) { | |
318 | return NULL; | |
319 | } | |
d96fd29c | 320 | |
2b54aa87 LC |
321 | info = g_malloc0(sizeof(*info)); |
322 | info->host = g_strdup(host); | |
323 | info->service = g_strdup(serv); | |
324 | info->family = g_strdup(inet_strfamily(sa.ss_family)); | |
d96fd29c LC |
325 | |
326 | #ifdef CONFIG_VNC_TLS | |
2b54aa87 LC |
327 | if (client->tls.session && client->tls.dname) { |
328 | info->has_x509_dname = true; | |
329 | info->x509_dname = g_strdup(client->tls.dname); | |
330 | } | |
d96fd29c LC |
331 | #endif |
332 | #ifdef CONFIG_VNC_SASL | |
2b54aa87 LC |
333 | if (client->sasl.conn && client->sasl.username) { |
334 | info->has_sasl_username = true; | |
335 | info->sasl_username = g_strdup(client->sasl.username); | |
d96fd29c | 336 | } |
2b54aa87 | 337 | #endif |
1ff7df1a | 338 | |
2b54aa87 | 339 | return info; |
d96fd29c | 340 | } |
1ff7df1a | 341 | |
2b54aa87 | 342 | VncInfo *qmp_query_vnc(Error **errp) |
d96fd29c | 343 | { |
2b54aa87 LC |
344 | VncInfo *info = g_malloc0(sizeof(*info)); |
345 | ||
d96fd29c | 346 | if (vnc_display == NULL || vnc_display->display == NULL) { |
2b54aa87 | 347 | info->enabled = false; |
d96fd29c | 348 | } else { |
2b54aa87 LC |
349 | VncClientInfoList *cur_item = NULL; |
350 | struct sockaddr_storage sa; | |
351 | socklen_t salen = sizeof(sa); | |
352 | char host[NI_MAXHOST]; | |
353 | char serv[NI_MAXSERV]; | |
41b4bef6 | 354 | VncState *client; |
1ff7df1a | 355 | |
2b54aa87 LC |
356 | info->enabled = true; |
357 | ||
358 | /* for compatibility with the original command */ | |
359 | info->has_clients = true; | |
360 | ||
41b4bef6 | 361 | QTAILQ_FOREACH(client, &vnc_display->clients, next) { |
2b54aa87 LC |
362 | VncClientInfoList *cinfo = g_malloc0(sizeof(*info)); |
363 | cinfo->value = qmp_query_vnc_client(client); | |
364 | ||
365 | /* XXX: waiting for the qapi to support GSList */ | |
366 | if (!cur_item) { | |
367 | info->clients = cur_item = cinfo; | |
368 | } else { | |
369 | cur_item->next = cinfo; | |
370 | cur_item = cinfo; | |
1ff7df1a | 371 | } |
d96fd29c LC |
372 | } |
373 | ||
2b54aa87 LC |
374 | if (getsockname(vnc_display->lsock, (struct sockaddr *)&sa, |
375 | &salen) == -1) { | |
376 | error_set(errp, QERR_UNDEFINED_ERROR); | |
377 | goto out_error; | |
378 | } | |
d96fd29c | 379 | |
2b54aa87 LC |
380 | if (getnameinfo((struct sockaddr *)&sa, salen, |
381 | host, sizeof(host), | |
382 | serv, sizeof(serv), | |
383 | NI_NUMERICHOST | NI_NUMERICSERV) < 0) { | |
384 | error_set(errp, QERR_UNDEFINED_ERROR); | |
385 | goto out_error; | |
1ff7df1a | 386 | } |
2b54aa87 LC |
387 | |
388 | info->has_host = true; | |
389 | info->host = g_strdup(host); | |
390 | ||
391 | info->has_service = true; | |
392 | info->service = g_strdup(serv); | |
393 | ||
394 | info->has_family = true; | |
395 | info->family = g_strdup(inet_strfamily(sa.ss_family)); | |
396 | ||
397 | info->has_auth = true; | |
398 | info->auth = g_strdup(vnc_auth_name(vnc_display)); | |
a9ce8590 | 399 | } |
2b54aa87 LC |
400 | |
401 | return info; | |
402 | ||
403 | out_error: | |
404 | qapi_free_VncInfo(info); | |
405 | return NULL; | |
a9ce8590 FB |
406 | } |
407 | ||
24236869 FB |
408 | /* TODO |
409 | 1) Get the queue working for IO. | |
410 | 2) there is some weirdness when using the -S option (the screen is grey | |
411 | and not totally invalidated | |
412 | 3) resolutions > 1024 | |
413 | */ | |
414 | ||
2430ffe4 | 415 | static int vnc_update_client(VncState *vs, int has_dirty); |
bd023f95 | 416 | static int vnc_update_client_sync(VncState *vs, int has_dirty); |
198a0039 GH |
417 | static void vnc_disconnect_start(VncState *vs); |
418 | static void vnc_disconnect_finish(VncState *vs); | |
703bc68f SS |
419 | static void vnc_init_timer(VncDisplay *vd); |
420 | static void vnc_remove_timer(VncDisplay *vd); | |
24236869 | 421 | |
753b4053 | 422 | static void vnc_colordepth(VncState *vs); |
1fc62412 SS |
423 | static void framebuffer_update_request(VncState *vs, int incremental, |
424 | int x_position, int y_position, | |
425 | int w, int h); | |
426 | static void vnc_refresh(void *opaque); | |
427 | static int vnc_refresh_server_surface(VncDisplay *vd); | |
7eac3a87 | 428 | |
1fc62412 | 429 | static void vnc_dpy_update(DisplayState *ds, int x, int y, int w, int h) |
24236869 | 430 | { |
24236869 | 431 | int i; |
1fc62412 SS |
432 | VncDisplay *vd = ds->opaque; |
433 | struct VncSurface *s = &vd->guest; | |
24236869 FB |
434 | |
435 | h += y; | |
436 | ||
0486e8a7 AZ |
437 | /* round x down to ensure the loop only spans one 16-pixel block per, |
438 | iteration. otherwise, if (x % 16) != 0, the last iteration may span | |
439 | two 16-pixel blocks but we only mark the first as dirty | |
440 | */ | |
441 | w += (x % 16); | |
442 | x -= (x % 16); | |
443 | ||
6baebed7 AL |
444 | x = MIN(x, s->ds->width); |
445 | y = MIN(y, s->ds->height); | |
446 | w = MIN(x + w, s->ds->width) - x; | |
447 | h = MIN(h, s->ds->height); | |
788abf8e | 448 | |
24236869 | 449 | for (; y < h; y++) |
28a76be8 | 450 | for (i = 0; i < w; i += 16) |
bc2429b9 | 451 | set_bit((x + i) / 16, s->dirty[y]); |
24236869 FB |
452 | } |
453 | ||
70a4568f CC |
454 | void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, |
455 | int32_t encoding) | |
24236869 FB |
456 | { |
457 | vnc_write_u16(vs, x); | |
458 | vnc_write_u16(vs, y); | |
459 | vnc_write_u16(vs, w); | |
460 | vnc_write_u16(vs, h); | |
461 | ||
462 | vnc_write_s32(vs, encoding); | |
463 | } | |
464 | ||
2f9606b3 | 465 | void buffer_reserve(Buffer *buffer, size_t len) |
89064286 AL |
466 | { |
467 | if ((buffer->capacity - buffer->offset) < len) { | |
28a76be8 | 468 | buffer->capacity += (len + 1024); |
7267c094 | 469 | buffer->buffer = g_realloc(buffer->buffer, buffer->capacity); |
28a76be8 AL |
470 | if (buffer->buffer == NULL) { |
471 | fprintf(stderr, "vnc: out of memory\n"); | |
472 | exit(1); | |
473 | } | |
89064286 AL |
474 | } |
475 | } | |
476 | ||
2f9606b3 | 477 | int buffer_empty(Buffer *buffer) |
89064286 AL |
478 | { |
479 | return buffer->offset == 0; | |
480 | } | |
481 | ||
2f9606b3 | 482 | uint8_t *buffer_end(Buffer *buffer) |
89064286 AL |
483 | { |
484 | return buffer->buffer + buffer->offset; | |
485 | } | |
486 | ||
2f9606b3 | 487 | void buffer_reset(Buffer *buffer) |
89064286 | 488 | { |
28a76be8 | 489 | buffer->offset = 0; |
89064286 AL |
490 | } |
491 | ||
5d418e3b CC |
492 | void buffer_free(Buffer *buffer) |
493 | { | |
7267c094 | 494 | g_free(buffer->buffer); |
5d418e3b CC |
495 | buffer->offset = 0; |
496 | buffer->capacity = 0; | |
497 | buffer->buffer = NULL; | |
498 | } | |
499 | ||
2f9606b3 | 500 | void buffer_append(Buffer *buffer, const void *data, size_t len) |
89064286 AL |
501 | { |
502 | memcpy(buffer->buffer + buffer->offset, data, len); | |
503 | buffer->offset += len; | |
504 | } | |
505 | ||
621aaeb9 GH |
506 | static void vnc_desktop_resize(VncState *vs) |
507 | { | |
508 | DisplayState *ds = vs->ds; | |
509 | ||
510 | if (vs->csock == -1 || !vnc_has_feature(vs, VNC_FEATURE_RESIZE)) { | |
511 | return; | |
512 | } | |
1d4b638a GH |
513 | if (vs->client_width == ds_get_width(ds) && |
514 | vs->client_height == ds_get_height(ds)) { | |
515 | return; | |
516 | } | |
5862d195 GH |
517 | vs->client_width = ds_get_width(ds); |
518 | vs->client_height = ds_get_height(ds); | |
bd023f95 | 519 | vnc_lock_output(vs); |
621aaeb9 GH |
520 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
521 | vnc_write_u8(vs, 0); | |
522 | vnc_write_u16(vs, 1); /* number of rects */ | |
5862d195 | 523 | vnc_framebuffer_update(vs, 0, 0, vs->client_width, vs->client_height, |
621aaeb9 | 524 | VNC_ENCODING_DESKTOPRESIZE); |
bd023f95 | 525 | vnc_unlock_output(vs); |
621aaeb9 GH |
526 | vnc_flush(vs); |
527 | } | |
528 | ||
bd023f95 CC |
529 | #ifdef CONFIG_VNC_THREAD |
530 | static void vnc_abort_display_jobs(VncDisplay *vd) | |
531 | { | |
532 | VncState *vs; | |
533 | ||
534 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
535 | vnc_lock_output(vs); | |
536 | vs->abort = true; | |
537 | vnc_unlock_output(vs); | |
538 | } | |
539 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
540 | vnc_jobs_join(vs); | |
541 | } | |
542 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
543 | vnc_lock_output(vs); | |
544 | vs->abort = false; | |
545 | vnc_unlock_output(vs); | |
546 | } | |
547 | } | |
548 | #else | |
549 | static void vnc_abort_display_jobs(VncDisplay *vd) | |
550 | { | |
551 | } | |
552 | #endif | |
553 | ||
1fc62412 | 554 | static void vnc_dpy_resize(DisplayState *ds) |
24236869 | 555 | { |
1fc62412 | 556 | VncDisplay *vd = ds->opaque; |
41b4bef6 | 557 | VncState *vs; |
1fc62412 | 558 | |
bd023f95 CC |
559 | vnc_abort_display_jobs(vd); |
560 | ||
1fc62412 SS |
561 | /* server surface */ |
562 | if (!vd->server) | |
7267c094 | 563 | vd->server = g_malloc0(sizeof(*vd->server)); |
1fc62412 | 564 | if (vd->server->data) |
7267c094 | 565 | g_free(vd->server->data); |
1fc62412 | 566 | *(vd->server) = *(ds->surface); |
7267c094 | 567 | vd->server->data = g_malloc0(vd->server->linesize * |
1fc62412 | 568 | vd->server->height); |
24236869 | 569 | |
6baebed7 | 570 | /* guest surface */ |
1fc62412 | 571 | if (!vd->guest.ds) |
7267c094 | 572 | vd->guest.ds = g_malloc0(sizeof(*vd->guest.ds)); |
1fc62412 | 573 | if (ds_get_bytes_per_pixel(ds) != vd->guest.ds->pf.bytes_per_pixel) |
a528b80c | 574 | console_color_init(ds); |
1fc62412 SS |
575 | *(vd->guest.ds) = *(ds->surface); |
576 | memset(vd->guest.dirty, 0xFF, sizeof(vd->guest.dirty)); | |
24236869 | 577 | |
41b4bef6 | 578 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
1fc62412 | 579 | vnc_colordepth(vs); |
1d4b638a | 580 | vnc_desktop_resize(vs); |
d467b679 GH |
581 | if (vs->vd->cursor) { |
582 | vnc_cursor_define(vs); | |
583 | } | |
1fc62412 | 584 | memset(vs->dirty, 0xFF, sizeof(vs->dirty)); |
753b4053 AL |
585 | } |
586 | } | |
587 | ||
3512779a | 588 | /* fastest code */ |
d467b679 GH |
589 | static void vnc_write_pixels_copy(VncState *vs, struct PixelFormat *pf, |
590 | void *pixels, int size) | |
3512779a FB |
591 | { |
592 | vnc_write(vs, pixels, size); | |
593 | } | |
594 | ||
595 | /* slowest but generic code. */ | |
70a4568f | 596 | void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v) |
3512779a | 597 | { |
7eac3a87 | 598 | uint8_t r, g, b; |
1fc62412 SS |
599 | VncDisplay *vd = vs->vd; |
600 | ||
601 | r = ((((v & vd->server->pf.rmask) >> vd->server->pf.rshift) << vs->clientds.pf.rbits) >> | |
602 | vd->server->pf.rbits); | |
603 | g = ((((v & vd->server->pf.gmask) >> vd->server->pf.gshift) << vs->clientds.pf.gbits) >> | |
604 | vd->server->pf.gbits); | |
605 | b = ((((v & vd->server->pf.bmask) >> vd->server->pf.bshift) << vs->clientds.pf.bbits) >> | |
606 | vd->server->pf.bbits); | |
6cec5487 AL |
607 | v = (r << vs->clientds.pf.rshift) | |
608 | (g << vs->clientds.pf.gshift) | | |
609 | (b << vs->clientds.pf.bshift); | |
610 | switch(vs->clientds.pf.bytes_per_pixel) { | |
3512779a FB |
611 | case 1: |
612 | buf[0] = v; | |
613 | break; | |
614 | case 2: | |
6cec5487 | 615 | if (vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) { |
3512779a FB |
616 | buf[0] = v >> 8; |
617 | buf[1] = v; | |
618 | } else { | |
619 | buf[1] = v >> 8; | |
620 | buf[0] = v; | |
621 | } | |
622 | break; | |
623 | default: | |
624 | case 4: | |
6cec5487 | 625 | if (vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) { |
3512779a FB |
626 | buf[0] = v >> 24; |
627 | buf[1] = v >> 16; | |
628 | buf[2] = v >> 8; | |
629 | buf[3] = v; | |
630 | } else { | |
631 | buf[3] = v >> 24; | |
632 | buf[2] = v >> 16; | |
633 | buf[1] = v >> 8; | |
634 | buf[0] = v; | |
635 | } | |
636 | break; | |
637 | } | |
638 | } | |
639 | ||
d467b679 GH |
640 | static void vnc_write_pixels_generic(VncState *vs, struct PixelFormat *pf, |
641 | void *pixels1, int size) | |
3512779a | 642 | { |
3512779a | 643 | uint8_t buf[4]; |
3512779a | 644 | |
d467b679 | 645 | if (pf->bytes_per_pixel == 4) { |
7eac3a87 AL |
646 | uint32_t *pixels = pixels1; |
647 | int n, i; | |
648 | n = size >> 2; | |
649 | for(i = 0; i < n; i++) { | |
650 | vnc_convert_pixel(vs, buf, pixels[i]); | |
6cec5487 | 651 | vnc_write(vs, buf, vs->clientds.pf.bytes_per_pixel); |
7eac3a87 | 652 | } |
d467b679 | 653 | } else if (pf->bytes_per_pixel == 2) { |
7eac3a87 AL |
654 | uint16_t *pixels = pixels1; |
655 | int n, i; | |
656 | n = size >> 1; | |
657 | for(i = 0; i < n; i++) { | |
658 | vnc_convert_pixel(vs, buf, pixels[i]); | |
6cec5487 | 659 | vnc_write(vs, buf, vs->clientds.pf.bytes_per_pixel); |
7eac3a87 | 660 | } |
d467b679 | 661 | } else if (pf->bytes_per_pixel == 1) { |
7eac3a87 AL |
662 | uint8_t *pixels = pixels1; |
663 | int n, i; | |
664 | n = size; | |
665 | for(i = 0; i < n; i++) { | |
666 | vnc_convert_pixel(vs, buf, pixels[i]); | |
6cec5487 | 667 | vnc_write(vs, buf, vs->clientds.pf.bytes_per_pixel); |
7eac3a87 AL |
668 | } |
669 | } else { | |
670 | fprintf(stderr, "vnc_write_pixels_generic: VncState color depth not supported\n"); | |
3512779a FB |
671 | } |
672 | } | |
673 | ||
a885211e | 674 | int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h) |
24236869 FB |
675 | { |
676 | int i; | |
60fe76f3 | 677 | uint8_t *row; |
1fc62412 | 678 | VncDisplay *vd = vs->vd; |
24236869 | 679 | |
1fc62412 | 680 | row = vd->server->data + y * ds_get_linesize(vs->ds) + x * ds_get_bytes_per_pixel(vs->ds); |
24236869 | 681 | for (i = 0; i < h; i++) { |
d467b679 | 682 | vs->write_pixels(vs, &vd->server->pf, row, w * ds_get_bytes_per_pixel(vs->ds)); |
28a76be8 | 683 | row += ds_get_linesize(vs->ds); |
24236869 | 684 | } |
a885211e | 685 | return 1; |
24236869 FB |
686 | } |
687 | ||
bd023f95 | 688 | int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h) |
24236869 | 689 | { |
a885211e CC |
690 | int n = 0; |
691 | ||
fb437313 | 692 | switch(vs->vnc_encoding) { |
28a76be8 | 693 | case VNC_ENCODING_ZLIB: |
a885211e | 694 | n = vnc_zlib_send_framebuffer_update(vs, x, y, w, h); |
28a76be8 AL |
695 | break; |
696 | case VNC_ENCODING_HEXTILE: | |
697 | vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_HEXTILE); | |
a885211e | 698 | n = vnc_hextile_send_framebuffer_update(vs, x, y, w, h); |
28a76be8 | 699 | break; |
380282b0 CC |
700 | case VNC_ENCODING_TIGHT: |
701 | n = vnc_tight_send_framebuffer_update(vs, x, y, w, h); | |
702 | break; | |
efe556ad CC |
703 | case VNC_ENCODING_TIGHT_PNG: |
704 | n = vnc_tight_png_send_framebuffer_update(vs, x, y, w, h); | |
705 | break; | |
148954fa CC |
706 | case VNC_ENCODING_ZRLE: |
707 | n = vnc_zrle_send_framebuffer_update(vs, x, y, w, h); | |
708 | break; | |
709 | case VNC_ENCODING_ZYWRLE: | |
710 | n = vnc_zywrle_send_framebuffer_update(vs, x, y, w, h); | |
711 | break; | |
28a76be8 AL |
712 | default: |
713 | vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_RAW); | |
a885211e | 714 | n = vnc_raw_send_framebuffer_update(vs, x, y, w, h); |
28a76be8 | 715 | break; |
fb437313 | 716 | } |
a885211e | 717 | return n; |
24236869 FB |
718 | } |
719 | ||
753b4053 | 720 | static void vnc_copy(VncState *vs, int src_x, int src_y, int dst_x, int dst_y, int w, int h) |
24236869 | 721 | { |
3e28c9ad | 722 | /* send bitblit op to the vnc client */ |
bd023f95 | 723 | vnc_lock_output(vs); |
46a183da | 724 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
24236869 FB |
725 | vnc_write_u8(vs, 0); |
726 | vnc_write_u16(vs, 1); /* number of rects */ | |
29fa4ed9 | 727 | vnc_framebuffer_update(vs, dst_x, dst_y, w, h, VNC_ENCODING_COPYRECT); |
24236869 FB |
728 | vnc_write_u16(vs, src_x); |
729 | vnc_write_u16(vs, src_y); | |
bd023f95 | 730 | vnc_unlock_output(vs); |
24236869 FB |
731 | vnc_flush(vs); |
732 | } | |
733 | ||
753b4053 AL |
734 | static void vnc_dpy_copy(DisplayState *ds, int src_x, int src_y, int dst_x, int dst_y, int w, int h) |
735 | { | |
736 | VncDisplay *vd = ds->opaque; | |
198a0039 | 737 | VncState *vs, *vn; |
1fc62412 SS |
738 | uint8_t *src_row; |
739 | uint8_t *dst_row; | |
740 | int i,x,y,pitch,depth,inc,w_lim,s; | |
741 | int cmp_bytes; | |
198a0039 | 742 | |
1fc62412 | 743 | vnc_refresh_server_surface(vd); |
41b4bef6 | 744 | QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) { |
198a0039 GH |
745 | if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) { |
746 | vs->force_update = 1; | |
bd023f95 | 747 | vnc_update_client_sync(vs, 1); |
198a0039 GH |
748 | /* vs might be free()ed here */ |
749 | } | |
750 | } | |
751 | ||
1fc62412 SS |
752 | /* do bitblit op on the local surface too */ |
753 | pitch = ds_get_linesize(vd->ds); | |
754 | depth = ds_get_bytes_per_pixel(vd->ds); | |
755 | src_row = vd->server->data + pitch * src_y + depth * src_x; | |
756 | dst_row = vd->server->data + pitch * dst_y + depth * dst_x; | |
757 | y = dst_y; | |
758 | inc = 1; | |
759 | if (dst_y > src_y) { | |
760 | /* copy backwards */ | |
761 | src_row += pitch * (h-1); | |
762 | dst_row += pitch * (h-1); | |
763 | pitch = -pitch; | |
764 | y = dst_y + h - 1; | |
765 | inc = -1; | |
766 | } | |
767 | w_lim = w - (16 - (dst_x % 16)); | |
768 | if (w_lim < 0) | |
769 | w_lim = w; | |
770 | else | |
771 | w_lim = w - (w_lim % 16); | |
772 | for (i = 0; i < h; i++) { | |
773 | for (x = 0; x <= w_lim; | |
774 | x += s, src_row += cmp_bytes, dst_row += cmp_bytes) { | |
775 | if (x == w_lim) { | |
776 | if ((s = w - w_lim) == 0) | |
777 | break; | |
778 | } else if (!x) { | |
779 | s = (16 - (dst_x % 16)); | |
780 | s = MIN(s, w_lim); | |
781 | } else { | |
782 | s = 16; | |
783 | } | |
784 | cmp_bytes = s * depth; | |
785 | if (memcmp(src_row, dst_row, cmp_bytes) == 0) | |
786 | continue; | |
787 | memmove(dst_row, src_row, cmp_bytes); | |
41b4bef6 AS |
788 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
789 | if (!vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) { | |
bc2429b9 | 790 | set_bit(((x + dst_x) / 16), vs->dirty[y]); |
41b4bef6 | 791 | } |
1fc62412 SS |
792 | } |
793 | } | |
794 | src_row += pitch - w * depth; | |
795 | dst_row += pitch - w * depth; | |
796 | y += inc; | |
797 | } | |
798 | ||
41b4bef6 AS |
799 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
800 | if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) { | |
753b4053 | 801 | vnc_copy(vs, src_x, src_y, dst_x, dst_y, w, h); |
41b4bef6 | 802 | } |
753b4053 AL |
803 | } |
804 | } | |
805 | ||
d467b679 GH |
806 | static void vnc_mouse_set(int x, int y, int visible) |
807 | { | |
808 | /* can we ask the client(s) to move the pointer ??? */ | |
809 | } | |
810 | ||
811 | static int vnc_cursor_define(VncState *vs) | |
812 | { | |
813 | QEMUCursor *c = vs->vd->cursor; | |
814 | PixelFormat pf = qemu_default_pixelformat(32); | |
815 | int isize; | |
816 | ||
817 | if (vnc_has_feature(vs, VNC_FEATURE_RICH_CURSOR)) { | |
d01f9595 | 818 | vnc_lock_output(vs); |
d467b679 GH |
819 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
820 | vnc_write_u8(vs, 0); /* padding */ | |
821 | vnc_write_u16(vs, 1); /* # of rects */ | |
822 | vnc_framebuffer_update(vs, c->hot_x, c->hot_y, c->width, c->height, | |
823 | VNC_ENCODING_RICH_CURSOR); | |
824 | isize = c->width * c->height * vs->clientds.pf.bytes_per_pixel; | |
825 | vnc_write_pixels_generic(vs, &pf, c->data, isize); | |
826 | vnc_write(vs, vs->vd->cursor_mask, vs->vd->cursor_msize); | |
d01f9595 | 827 | vnc_unlock_output(vs); |
d467b679 GH |
828 | return 0; |
829 | } | |
830 | return -1; | |
831 | } | |
832 | ||
833 | static void vnc_dpy_cursor_define(QEMUCursor *c) | |
834 | { | |
835 | VncDisplay *vd = vnc_display; | |
836 | VncState *vs; | |
837 | ||
838 | cursor_put(vd->cursor); | |
7267c094 | 839 | g_free(vd->cursor_mask); |
d467b679 GH |
840 | |
841 | vd->cursor = c; | |
842 | cursor_get(vd->cursor); | |
843 | vd->cursor_msize = cursor_get_mono_bpl(c) * c->height; | |
7267c094 | 844 | vd->cursor_mask = g_malloc0(vd->cursor_msize); |
d467b679 GH |
845 | cursor_get_mono_mask(c, 0, vd->cursor_mask); |
846 | ||
847 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
848 | vnc_cursor_define(vs); | |
849 | } | |
850 | } | |
851 | ||
1fc62412 | 852 | static int find_and_clear_dirty_height(struct VncState *vs, |
6c71a539 | 853 | int y, int last_x, int x, int height) |
24236869 FB |
854 | { |
855 | int h; | |
856 | ||
6c71a539 | 857 | for (h = 1; h < (height - y); h++) { |
28a76be8 | 858 | int tmp_x; |
bc2429b9 | 859 | if (!test_bit(last_x, vs->dirty[y + h])) { |
28a76be8 | 860 | break; |
bc2429b9 CC |
861 | } |
862 | for (tmp_x = last_x; tmp_x < x; tmp_x++) { | |
863 | clear_bit(tmp_x, vs->dirty[y + h]); | |
864 | } | |
24236869 FB |
865 | } |
866 | ||
867 | return h; | |
868 | } | |
869 | ||
bd023f95 CC |
870 | #ifdef CONFIG_VNC_THREAD |
871 | static int vnc_update_client_sync(VncState *vs, int has_dirty) | |
872 | { | |
873 | int ret = vnc_update_client(vs, has_dirty); | |
874 | vnc_jobs_join(vs); | |
875 | return ret; | |
876 | } | |
877 | #else | |
878 | static int vnc_update_client_sync(VncState *vs, int has_dirty) | |
879 | { | |
880 | return vnc_update_client(vs, has_dirty); | |
881 | } | |
882 | #endif | |
883 | ||
2430ffe4 | 884 | static int vnc_update_client(VncState *vs, int has_dirty) |
24236869 | 885 | { |
24236869 | 886 | if (vs->need_update && vs->csock != -1) { |
1fc62412 | 887 | VncDisplay *vd = vs->vd; |
bd023f95 | 888 | VncJob *job; |
28a76be8 | 889 | int y; |
847ce6a1 | 890 | int width, height; |
bd023f95 CC |
891 | int n = 0; |
892 | ||
24236869 | 893 | |
703bc68f | 894 | if (vs->output.offset && !vs->audio_cap && !vs->force_update) |
c522d0e2 | 895 | /* kernel send buffers are full -> drop frames to throttle */ |
2430ffe4 | 896 | return 0; |
a0ecfb73 | 897 | |
703bc68f | 898 | if (!has_dirty && !vs->audio_cap && !vs->force_update) |
2430ffe4 | 899 | return 0; |
28a76be8 | 900 | |
6baebed7 AL |
901 | /* |
902 | * Send screen updates to the vnc client using the server | |
903 | * surface and server dirty map. guest surface updates | |
904 | * happening in parallel don't disturb us, the next pass will | |
905 | * send them to the client. | |
906 | */ | |
bd023f95 | 907 | job = vnc_job_new(vs); |
28a76be8 | 908 | |
847ce6a1 GH |
909 | width = MIN(vd->server->width, vs->client_width); |
910 | height = MIN(vd->server->height, vs->client_height); | |
911 | ||
912 | for (y = 0; y < height; y++) { | |
28a76be8 AL |
913 | int x; |
914 | int last_x = -1; | |
847ce6a1 | 915 | for (x = 0; x < width / 16; x++) { |
bc2429b9 | 916 | if (test_and_clear_bit(x, vs->dirty[y])) { |
28a76be8 AL |
917 | if (last_x == -1) { |
918 | last_x = x; | |
919 | } | |
28a76be8 AL |
920 | } else { |
921 | if (last_x != -1) { | |
6c71a539 CC |
922 | int h = find_and_clear_dirty_height(vs, y, last_x, x, |
923 | height); | |
bd023f95 CC |
924 | |
925 | n += vnc_job_add_rect(job, last_x * 16, y, | |
926 | (x - last_x) * 16, h); | |
28a76be8 AL |
927 | } |
928 | last_x = -1; | |
929 | } | |
930 | } | |
931 | if (last_x != -1) { | |
6c71a539 | 932 | int h = find_and_clear_dirty_height(vs, y, last_x, x, height); |
bd023f95 CC |
933 | n += vnc_job_add_rect(job, last_x * 16, y, |
934 | (x - last_x) * 16, h); | |
28a76be8 AL |
935 | } |
936 | } | |
bd023f95 CC |
937 | |
938 | vnc_job_push(job); | |
c522d0e2 | 939 | vs->force_update = 0; |
bd023f95 | 940 | return n; |
24236869 | 941 | } |
24236869 | 942 | |
703bc68f | 943 | if (vs->csock == -1) |
198a0039 | 944 | vnc_disconnect_finish(vs); |
2430ffe4 SS |
945 | |
946 | return 0; | |
24236869 FB |
947 | } |
948 | ||
429a8ed3 | 949 | /* audio */ |
950 | static void audio_capture_notify(void *opaque, audcnotification_e cmd) | |
951 | { | |
952 | VncState *vs = opaque; | |
953 | ||
954 | switch (cmd) { | |
955 | case AUD_CNOTIFY_DISABLE: | |
bd023f95 | 956 | vnc_lock_output(vs); |
46a183da DB |
957 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU); |
958 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO); | |
959 | vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_END); | |
bd023f95 | 960 | vnc_unlock_output(vs); |
429a8ed3 | 961 | vnc_flush(vs); |
962 | break; | |
963 | ||
964 | case AUD_CNOTIFY_ENABLE: | |
bd023f95 | 965 | vnc_lock_output(vs); |
46a183da DB |
966 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU); |
967 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO); | |
968 | vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_BEGIN); | |
bd023f95 | 969 | vnc_unlock_output(vs); |
429a8ed3 | 970 | vnc_flush(vs); |
971 | break; | |
972 | } | |
973 | } | |
974 | ||
975 | static void audio_capture_destroy(void *opaque) | |
976 | { | |
977 | } | |
978 | ||
979 | static void audio_capture(void *opaque, void *buf, int size) | |
980 | { | |
981 | VncState *vs = opaque; | |
982 | ||
bd023f95 | 983 | vnc_lock_output(vs); |
46a183da DB |
984 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU); |
985 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO); | |
986 | vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_DATA); | |
429a8ed3 | 987 | vnc_write_u32(vs, size); |
988 | vnc_write(vs, buf, size); | |
bd023f95 | 989 | vnc_unlock_output(vs); |
429a8ed3 | 990 | vnc_flush(vs); |
991 | } | |
992 | ||
993 | static void audio_add(VncState *vs) | |
994 | { | |
995 | struct audio_capture_ops ops; | |
996 | ||
997 | if (vs->audio_cap) { | |
8631b608 | 998 | monitor_printf(default_mon, "audio already running\n"); |
429a8ed3 | 999 | return; |
1000 | } | |
1001 | ||
1002 | ops.notify = audio_capture_notify; | |
1003 | ops.destroy = audio_capture_destroy; | |
1004 | ops.capture = audio_capture; | |
1005 | ||
1a7dafce | 1006 | vs->audio_cap = AUD_add_capture(&vs->as, &ops, vs); |
429a8ed3 | 1007 | if (!vs->audio_cap) { |
8631b608 | 1008 | monitor_printf(default_mon, "Failed to add audio capture\n"); |
429a8ed3 | 1009 | } |
1010 | } | |
1011 | ||
1012 | static void audio_del(VncState *vs) | |
1013 | { | |
1014 | if (vs->audio_cap) { | |
1015 | AUD_del_capture(vs->audio_cap, vs); | |
1016 | vs->audio_cap = NULL; | |
1017 | } | |
1018 | } | |
1019 | ||
198a0039 GH |
1020 | static void vnc_disconnect_start(VncState *vs) |
1021 | { | |
1022 | if (vs->csock == -1) | |
1023 | return; | |
8cf36489 | 1024 | vnc_set_share_mode(vs, VNC_SHARE_MODE_DISCONNECTED); |
198a0039 GH |
1025 | qemu_set_fd_handler2(vs->csock, NULL, NULL, NULL, NULL); |
1026 | closesocket(vs->csock); | |
1027 | vs->csock = -1; | |
1028 | } | |
1029 | ||
1030 | static void vnc_disconnect_finish(VncState *vs) | |
1031 | { | |
7d964c9d CC |
1032 | int i; |
1033 | ||
bd023f95 CC |
1034 | vnc_jobs_join(vs); /* Wait encoding jobs */ |
1035 | ||
1036 | vnc_lock_output(vs); | |
0d72f3d3 LC |
1037 | vnc_qmp_event(vs, QEVENT_VNC_DISCONNECTED); |
1038 | ||
5d418e3b CC |
1039 | buffer_free(&vs->input); |
1040 | buffer_free(&vs->output); | |
4a80dba3 LC |
1041 | |
1042 | qobject_decref(vs->info); | |
1043 | ||
161c4f20 | 1044 | vnc_zlib_clear(vs); |
380282b0 | 1045 | vnc_tight_clear(vs); |
148954fa | 1046 | vnc_zrle_clear(vs); |
161c4f20 | 1047 | |
198a0039 GH |
1048 | #ifdef CONFIG_VNC_TLS |
1049 | vnc_tls_client_cleanup(vs); | |
1050 | #endif /* CONFIG_VNC_TLS */ | |
1051 | #ifdef CONFIG_VNC_SASL | |
1052 | vnc_sasl_client_cleanup(vs); | |
1053 | #endif /* CONFIG_VNC_SASL */ | |
1054 | audio_del(vs); | |
7bc9318b | 1055 | vnc_release_modifiers(vs); |
198a0039 | 1056 | |
41b4bef6 AS |
1057 | QTAILQ_REMOVE(&vs->vd->clients, vs, next); |
1058 | ||
1059 | if (QTAILQ_EMPTY(&vs->vd->clients)) { | |
198a0039 | 1060 | dcl->idle = 1; |
41b4bef6 | 1061 | } |
198a0039 | 1062 | |
37c34d9d | 1063 | qemu_remove_mouse_mode_change_notifier(&vs->mouse_mode_notifier); |
703bc68f | 1064 | vnc_remove_timer(vs->vd); |
3a0558b5 GH |
1065 | if (vs->vd->lock_key_sync) |
1066 | qemu_remove_led_event_handler(vs->led); | |
bd023f95 CC |
1067 | vnc_unlock_output(vs); |
1068 | ||
1069 | #ifdef CONFIG_VNC_THREAD | |
1070 | qemu_mutex_destroy(&vs->output_mutex); | |
1071 | #endif | |
7d964c9d | 1072 | for (i = 0; i < VNC_STAT_ROWS; ++i) { |
7267c094 | 1073 | g_free(vs->lossy_rect[i]); |
7d964c9d | 1074 | } |
7267c094 AL |
1075 | g_free(vs->lossy_rect); |
1076 | g_free(vs); | |
198a0039 | 1077 | } |
2f9606b3 AL |
1078 | |
1079 | int vnc_client_io_error(VncState *vs, int ret, int last_errno) | |
24236869 FB |
1080 | { |
1081 | if (ret == 0 || ret == -1) { | |
ea01e5fd AZ |
1082 | if (ret == -1) { |
1083 | switch (last_errno) { | |
1084 | case EINTR: | |
1085 | case EAGAIN: | |
1086 | #ifdef _WIN32 | |
1087 | case WSAEWOULDBLOCK: | |
1088 | #endif | |
1089 | return 0; | |
1090 | default: | |
1091 | break; | |
1092 | } | |
1093 | } | |
24236869 | 1094 | |
198a0039 GH |
1095 | VNC_DEBUG("Closing down client sock: ret %d, errno %d\n", |
1096 | ret, ret < 0 ? last_errno : 0); | |
1097 | vnc_disconnect_start(vs); | |
6baebed7 | 1098 | |
28a76be8 | 1099 | return 0; |
24236869 FB |
1100 | } |
1101 | return ret; | |
1102 | } | |
1103 | ||
5fb6c7a8 AL |
1104 | |
1105 | void vnc_client_error(VncState *vs) | |
24236869 | 1106 | { |
198a0039 GH |
1107 | VNC_DEBUG("Closing down client sock: protocol error\n"); |
1108 | vnc_disconnect_start(vs); | |
24236869 FB |
1109 | } |
1110 | ||
2f9606b3 AL |
1111 | |
1112 | /* | |
1113 | * Called to write a chunk of data to the client socket. The data may | |
1114 | * be the raw data, or may have already been encoded by SASL. | |
1115 | * The data will be written either straight onto the socket, or | |
1116 | * written via the GNUTLS wrappers, if TLS/SSL encryption is enabled | |
1117 | * | |
1118 | * NB, it is theoretically possible to have 2 layers of encryption, | |
1119 | * both SASL, and this TLS layer. It is highly unlikely in practice | |
1120 | * though, since SASL encryption will typically be a no-op if TLS | |
1121 | * is active | |
1122 | * | |
1123 | * Returns the number of bytes written, which may be less than | |
1124 | * the requested 'datalen' if the socket would block. Returns | |
1125 | * -1 on error, and disconnects the client socket. | |
1126 | */ | |
1127 | long vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen) | |
24236869 | 1128 | { |
ceb5caaf | 1129 | long ret; |
eb38c52c | 1130 | #ifdef CONFIG_VNC_TLS |
5fb6c7a8 | 1131 | if (vs->tls.session) { |
28a76be8 AL |
1132 | ret = gnutls_write(vs->tls.session, data, datalen); |
1133 | if (ret < 0) { | |
1134 | if (ret == GNUTLS_E_AGAIN) | |
1135 | errno = EAGAIN; | |
1136 | else | |
1137 | errno = EIO; | |
1138 | ret = -1; | |
1139 | } | |
8d5d2d4c TS |
1140 | } else |
1141 | #endif /* CONFIG_VNC_TLS */ | |
70503264 | 1142 | ret = send(vs->csock, (const void *)data, datalen, 0); |
23decc87 | 1143 | VNC_DEBUG("Wrote wire %p %zd -> %ld\n", data, datalen, ret); |
2f9606b3 AL |
1144 | return vnc_client_io_error(vs, ret, socket_error()); |
1145 | } | |
1146 | ||
1147 | ||
1148 | /* | |
1149 | * Called to write buffered data to the client socket, when not | |
1150 | * using any SASL SSF encryption layers. Will write as much data | |
1151 | * as possible without blocking. If all buffered data is written, | |
1152 | * will switch the FD poll() handler back to read monitoring. | |
1153 | * | |
1154 | * Returns the number of bytes written, which may be less than | |
1155 | * the buffered output data if the socket would block. Returns | |
1156 | * -1 on error, and disconnects the client socket. | |
1157 | */ | |
1158 | static long vnc_client_write_plain(VncState *vs) | |
1159 | { | |
1160 | long ret; | |
1161 | ||
1162 | #ifdef CONFIG_VNC_SASL | |
23decc87 | 1163 | VNC_DEBUG("Write Plain: Pending output %p size %zd offset %zd. Wait SSF %d\n", |
2f9606b3 AL |
1164 | vs->output.buffer, vs->output.capacity, vs->output.offset, |
1165 | vs->sasl.waitWriteSSF); | |
1166 | ||
1167 | if (vs->sasl.conn && | |
1168 | vs->sasl.runSSF && | |
1169 | vs->sasl.waitWriteSSF) { | |
1170 | ret = vnc_client_write_buf(vs, vs->output.buffer, vs->sasl.waitWriteSSF); | |
1171 | if (ret) | |
1172 | vs->sasl.waitWriteSSF -= ret; | |
1173 | } else | |
1174 | #endif /* CONFIG_VNC_SASL */ | |
1175 | ret = vnc_client_write_buf(vs, vs->output.buffer, vs->output.offset); | |
24236869 | 1176 | if (!ret) |
2f9606b3 | 1177 | return 0; |
24236869 FB |
1178 | |
1179 | memmove(vs->output.buffer, vs->output.buffer + ret, (vs->output.offset - ret)); | |
1180 | vs->output.offset -= ret; | |
1181 | ||
1182 | if (vs->output.offset == 0) { | |
28a76be8 | 1183 | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); |
24236869 | 1184 | } |
2f9606b3 AL |
1185 | |
1186 | return ret; | |
1187 | } | |
1188 | ||
1189 | ||
1190 | /* | |
1191 | * First function called whenever there is data to be written to | |
1192 | * the client socket. Will delegate actual work according to whether | |
1193 | * SASL SSF layers are enabled (thus requiring encryption calls) | |
1194 | */ | |
bd023f95 | 1195 | static void vnc_client_write_locked(void *opaque) |
2f9606b3 | 1196 | { |
2f9606b3 AL |
1197 | VncState *vs = opaque; |
1198 | ||
1199 | #ifdef CONFIG_VNC_SASL | |
1200 | if (vs->sasl.conn && | |
1201 | vs->sasl.runSSF && | |
9678d950 BS |
1202 | !vs->sasl.waitWriteSSF) { |
1203 | vnc_client_write_sasl(vs); | |
1204 | } else | |
2f9606b3 | 1205 | #endif /* CONFIG_VNC_SASL */ |
9678d950 | 1206 | vnc_client_write_plain(vs); |
24236869 FB |
1207 | } |
1208 | ||
bd023f95 CC |
1209 | void vnc_client_write(void *opaque) |
1210 | { | |
1211 | VncState *vs = opaque; | |
1212 | ||
1213 | vnc_lock_output(vs); | |
1214 | if (vs->output.offset) { | |
1215 | vnc_client_write_locked(opaque); | |
ac71103d | 1216 | } else if (vs->csock != -1) { |
bd023f95 CC |
1217 | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); |
1218 | } | |
1219 | vnc_unlock_output(vs); | |
1220 | } | |
1221 | ||
5fb6c7a8 | 1222 | void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting) |
24236869 FB |
1223 | { |
1224 | vs->read_handler = func; | |
1225 | vs->read_handler_expect = expecting; | |
1226 | } | |
1227 | ||
2f9606b3 AL |
1228 | |
1229 | /* | |
1230 | * Called to read a chunk of data from the client socket. The data may | |
1231 | * be the raw data, or may need to be further decoded by SASL. | |
1232 | * The data will be read either straight from to the socket, or | |
1233 | * read via the GNUTLS wrappers, if TLS/SSL encryption is enabled | |
1234 | * | |
1235 | * NB, it is theoretically possible to have 2 layers of encryption, | |
1236 | * both SASL, and this TLS layer. It is highly unlikely in practice | |
1237 | * though, since SASL encryption will typically be a no-op if TLS | |
1238 | * is active | |
1239 | * | |
1240 | * Returns the number of bytes read, which may be less than | |
1241 | * the requested 'datalen' if the socket would block. Returns | |
1242 | * -1 on error, and disconnects the client socket. | |
1243 | */ | |
1244 | long vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen) | |
24236869 | 1245 | { |
ceb5caaf | 1246 | long ret; |
eb38c52c | 1247 | #ifdef CONFIG_VNC_TLS |
5fb6c7a8 | 1248 | if (vs->tls.session) { |
28a76be8 AL |
1249 | ret = gnutls_read(vs->tls.session, data, datalen); |
1250 | if (ret < 0) { | |
1251 | if (ret == GNUTLS_E_AGAIN) | |
1252 | errno = EAGAIN; | |
1253 | else | |
1254 | errno = EIO; | |
1255 | ret = -1; | |
1256 | } | |
8d5d2d4c TS |
1257 | } else |
1258 | #endif /* CONFIG_VNC_TLS */ | |
00aa0040 | 1259 | ret = qemu_recv(vs->csock, data, datalen, 0); |
23decc87 | 1260 | VNC_DEBUG("Read wire %p %zd -> %ld\n", data, datalen, ret); |
2f9606b3 AL |
1261 | return vnc_client_io_error(vs, ret, socket_error()); |
1262 | } | |
24236869 | 1263 | |
2f9606b3 AL |
1264 | |
1265 | /* | |
1266 | * Called to read data from the client socket to the input buffer, | |
1267 | * when not using any SASL SSF encryption layers. Will read as much | |
1268 | * data as possible without blocking. | |
1269 | * | |
1270 | * Returns the number of bytes read. Returns -1 on error, and | |
1271 | * disconnects the client socket. | |
1272 | */ | |
1273 | static long vnc_client_read_plain(VncState *vs) | |
1274 | { | |
1275 | int ret; | |
23decc87 | 1276 | VNC_DEBUG("Read plain %p size %zd offset %zd\n", |
2f9606b3 AL |
1277 | vs->input.buffer, vs->input.capacity, vs->input.offset); |
1278 | buffer_reserve(&vs->input, 4096); | |
1279 | ret = vnc_client_read_buf(vs, buffer_end(&vs->input), 4096); | |
1280 | if (!ret) | |
1281 | return 0; | |
24236869 | 1282 | vs->input.offset += ret; |
2f9606b3 AL |
1283 | return ret; |
1284 | } | |
1285 | ||
1286 | ||
1287 | /* | |
1288 | * First function called whenever there is more data to be read from | |
1289 | * the client socket. Will delegate actual work according to whether | |
1290 | * SASL SSF layers are enabled (thus requiring decryption calls) | |
1291 | */ | |
1292 | void vnc_client_read(void *opaque) | |
1293 | { | |
1294 | VncState *vs = opaque; | |
1295 | long ret; | |
1296 | ||
1297 | #ifdef CONFIG_VNC_SASL | |
1298 | if (vs->sasl.conn && vs->sasl.runSSF) | |
1299 | ret = vnc_client_read_sasl(vs); | |
1300 | else | |
1301 | #endif /* CONFIG_VNC_SASL */ | |
1302 | ret = vnc_client_read_plain(vs); | |
198a0039 GH |
1303 | if (!ret) { |
1304 | if (vs->csock == -1) | |
1305 | vnc_disconnect_finish(vs); | |
28a76be8 | 1306 | return; |
198a0039 | 1307 | } |
24236869 FB |
1308 | |
1309 | while (vs->read_handler && vs->input.offset >= vs->read_handler_expect) { | |
28a76be8 AL |
1310 | size_t len = vs->read_handler_expect; |
1311 | int ret; | |
1312 | ||
1313 | ret = vs->read_handler(vs, vs->input.buffer, len); | |
198a0039 GH |
1314 | if (vs->csock == -1) { |
1315 | vnc_disconnect_finish(vs); | |
28a76be8 | 1316 | return; |
198a0039 | 1317 | } |
28a76be8 AL |
1318 | |
1319 | if (!ret) { | |
1320 | memmove(vs->input.buffer, vs->input.buffer + len, (vs->input.offset - len)); | |
1321 | vs->input.offset -= len; | |
1322 | } else { | |
1323 | vs->read_handler_expect = ret; | |
1324 | } | |
24236869 FB |
1325 | } |
1326 | } | |
1327 | ||
5fb6c7a8 | 1328 | void vnc_write(VncState *vs, const void *data, size_t len) |
24236869 FB |
1329 | { |
1330 | buffer_reserve(&vs->output, len); | |
1331 | ||
198a0039 | 1332 | if (vs->csock != -1 && buffer_empty(&vs->output)) { |
28a76be8 | 1333 | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, vnc_client_write, vs); |
24236869 FB |
1334 | } |
1335 | ||
1336 | buffer_append(&vs->output, data, len); | |
1337 | } | |
1338 | ||
5fb6c7a8 | 1339 | void vnc_write_s32(VncState *vs, int32_t value) |
24236869 FB |
1340 | { |
1341 | vnc_write_u32(vs, *(uint32_t *)&value); | |
1342 | } | |
1343 | ||
5fb6c7a8 | 1344 | void vnc_write_u32(VncState *vs, uint32_t value) |
24236869 FB |
1345 | { |
1346 | uint8_t buf[4]; | |
1347 | ||
1348 | buf[0] = (value >> 24) & 0xFF; | |
1349 | buf[1] = (value >> 16) & 0xFF; | |
1350 | buf[2] = (value >> 8) & 0xFF; | |
1351 | buf[3] = value & 0xFF; | |
1352 | ||
1353 | vnc_write(vs, buf, 4); | |
1354 | } | |
1355 | ||
5fb6c7a8 | 1356 | void vnc_write_u16(VncState *vs, uint16_t value) |
24236869 | 1357 | { |
64f5a135 | 1358 | uint8_t buf[2]; |
24236869 FB |
1359 | |
1360 | buf[0] = (value >> 8) & 0xFF; | |
1361 | buf[1] = value & 0xFF; | |
1362 | ||
1363 | vnc_write(vs, buf, 2); | |
1364 | } | |
1365 | ||
5fb6c7a8 | 1366 | void vnc_write_u8(VncState *vs, uint8_t value) |
24236869 FB |
1367 | { |
1368 | vnc_write(vs, (char *)&value, 1); | |
1369 | } | |
1370 | ||
5fb6c7a8 | 1371 | void vnc_flush(VncState *vs) |
24236869 | 1372 | { |
bd023f95 CC |
1373 | vnc_lock_output(vs); |
1374 | if (vs->csock != -1 && vs->output.offset) { | |
1375 | vnc_client_write_locked(vs); | |
1376 | } | |
1377 | vnc_unlock_output(vs); | |
24236869 FB |
1378 | } |
1379 | ||
5fb6c7a8 | 1380 | uint8_t read_u8(uint8_t *data, size_t offset) |
24236869 FB |
1381 | { |
1382 | return data[offset]; | |
1383 | } | |
1384 | ||
5fb6c7a8 | 1385 | uint16_t read_u16(uint8_t *data, size_t offset) |
24236869 FB |
1386 | { |
1387 | return ((data[offset] & 0xFF) << 8) | (data[offset + 1] & 0xFF); | |
1388 | } | |
1389 | ||
5fb6c7a8 | 1390 | int32_t read_s32(uint8_t *data, size_t offset) |
24236869 FB |
1391 | { |
1392 | return (int32_t)((data[offset] << 24) | (data[offset + 1] << 16) | | |
28a76be8 | 1393 | (data[offset + 2] << 8) | data[offset + 3]); |
24236869 FB |
1394 | } |
1395 | ||
5fb6c7a8 | 1396 | uint32_t read_u32(uint8_t *data, size_t offset) |
24236869 FB |
1397 | { |
1398 | return ((data[offset] << 24) | (data[offset + 1] << 16) | | |
28a76be8 | 1399 | (data[offset + 2] << 8) | data[offset + 3]); |
24236869 FB |
1400 | } |
1401 | ||
60fe76f3 | 1402 | static void client_cut_text(VncState *vs, size_t len, uint8_t *text) |
24236869 FB |
1403 | { |
1404 | } | |
1405 | ||
9e8dd451 | 1406 | static void check_pointer_type_change(Notifier *notifier, void *data) |
564c337e | 1407 | { |
37c34d9d AL |
1408 | VncState *vs = container_of(notifier, VncState, mouse_mode_notifier); |
1409 | int absolute = kbd_mouse_is_absolute(); | |
1410 | ||
29fa4ed9 | 1411 | if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE) && vs->absolute != absolute) { |
bd023f95 | 1412 | vnc_lock_output(vs); |
46a183da | 1413 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
28a76be8 AL |
1414 | vnc_write_u8(vs, 0); |
1415 | vnc_write_u16(vs, 1); | |
1416 | vnc_framebuffer_update(vs, absolute, 0, | |
1417 | ds_get_width(vs->ds), ds_get_height(vs->ds), | |
29fa4ed9 | 1418 | VNC_ENCODING_POINTER_TYPE_CHANGE); |
bd023f95 | 1419 | vnc_unlock_output(vs); |
28a76be8 | 1420 | vnc_flush(vs); |
564c337e FB |
1421 | } |
1422 | vs->absolute = absolute; | |
1423 | } | |
1424 | ||
24236869 FB |
1425 | static void pointer_event(VncState *vs, int button_mask, int x, int y) |
1426 | { | |
1427 | int buttons = 0; | |
1428 | int dz = 0; | |
1429 | ||
1430 | if (button_mask & 0x01) | |
28a76be8 | 1431 | buttons |= MOUSE_EVENT_LBUTTON; |
24236869 | 1432 | if (button_mask & 0x02) |
28a76be8 | 1433 | buttons |= MOUSE_EVENT_MBUTTON; |
24236869 | 1434 | if (button_mask & 0x04) |
28a76be8 | 1435 | buttons |= MOUSE_EVENT_RBUTTON; |
24236869 | 1436 | if (button_mask & 0x08) |
28a76be8 | 1437 | dz = -1; |
24236869 | 1438 | if (button_mask & 0x10) |
28a76be8 | 1439 | dz = 1; |
564c337e FB |
1440 | |
1441 | if (vs->absolute) { | |
cc39a92c CW |
1442 | kbd_mouse_event(ds_get_width(vs->ds) > 1 ? |
1443 | x * 0x7FFF / (ds_get_width(vs->ds) - 1) : 0x4000, | |
1444 | ds_get_height(vs->ds) > 1 ? | |
1445 | y * 0x7FFF / (ds_get_height(vs->ds) - 1) : 0x4000, | |
28a76be8 | 1446 | dz, buttons); |
29fa4ed9 | 1447 | } else if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE)) { |
28a76be8 AL |
1448 | x -= 0x7FFF; |
1449 | y -= 0x7FFF; | |
24236869 | 1450 | |
28a76be8 | 1451 | kbd_mouse_event(x, y, dz, buttons); |
564c337e | 1452 | } else { |
28a76be8 AL |
1453 | if (vs->last_x != -1) |
1454 | kbd_mouse_event(x - vs->last_x, | |
1455 | y - vs->last_y, | |
1456 | dz, buttons); | |
1457 | vs->last_x = x; | |
1458 | vs->last_y = y; | |
24236869 FB |
1459 | } |
1460 | } | |
1461 | ||
64f5a135 FB |
1462 | static void reset_keys(VncState *vs) |
1463 | { | |
1464 | int i; | |
1465 | for(i = 0; i < 256; i++) { | |
1466 | if (vs->modifiers_state[i]) { | |
44bb61c8 ST |
1467 | if (i & SCANCODE_GREY) |
1468 | kbd_put_keycode(SCANCODE_EMUL0); | |
1469 | kbd_put_keycode(i | SCANCODE_UP); | |
64f5a135 FB |
1470 | vs->modifiers_state[i] = 0; |
1471 | } | |
1472 | } | |
1473 | } | |
1474 | ||
a528b80c AZ |
1475 | static void press_key(VncState *vs, int keysym) |
1476 | { | |
44bb61c8 ST |
1477 | int keycode = keysym2scancode(vs->vd->kbd_layout, keysym) & SCANCODE_KEYMASK; |
1478 | if (keycode & SCANCODE_GREY) | |
1479 | kbd_put_keycode(SCANCODE_EMUL0); | |
1480 | kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK); | |
1481 | if (keycode & SCANCODE_GREY) | |
1482 | kbd_put_keycode(SCANCODE_EMUL0); | |
1483 | kbd_put_keycode(keycode | SCANCODE_UP); | |
a528b80c AZ |
1484 | } |
1485 | ||
7ffb82ca GH |
1486 | static void kbd_leds(void *opaque, int ledstate) |
1487 | { | |
1488 | VncState *vs = opaque; | |
1489 | int caps, num; | |
1490 | ||
1491 | caps = ledstate & QEMU_CAPS_LOCK_LED ? 1 : 0; | |
1492 | num = ledstate & QEMU_NUM_LOCK_LED ? 1 : 0; | |
1493 | ||
1494 | if (vs->modifiers_state[0x3a] != caps) { | |
1495 | vs->modifiers_state[0x3a] = caps; | |
1496 | } | |
1497 | if (vs->modifiers_state[0x45] != num) { | |
1498 | vs->modifiers_state[0x45] = num; | |
1499 | } | |
1500 | } | |
1501 | ||
9ca313aa | 1502 | static void do_key_event(VncState *vs, int down, int keycode, int sym) |
24236869 | 1503 | { |
64f5a135 FB |
1504 | /* QEMU console switch */ |
1505 | switch(keycode) { | |
1506 | case 0x2a: /* Left Shift */ | |
1507 | case 0x36: /* Right Shift */ | |
1508 | case 0x1d: /* Left CTRL */ | |
1509 | case 0x9d: /* Right CTRL */ | |
1510 | case 0x38: /* Left ALT */ | |
1511 | case 0xb8: /* Right ALT */ | |
1512 | if (down) | |
1513 | vs->modifiers_state[keycode] = 1; | |
1514 | else | |
1515 | vs->modifiers_state[keycode] = 0; | |
1516 | break; | |
5fafdf24 | 1517 | case 0x02 ... 0x0a: /* '1' to '9' keys */ |
64f5a135 FB |
1518 | if (down && vs->modifiers_state[0x1d] && vs->modifiers_state[0x38]) { |
1519 | /* Reset the modifiers sent to the current console */ | |
1520 | reset_keys(vs); | |
1521 | console_select(keycode - 0x02); | |
1522 | return; | |
1523 | } | |
1524 | break; | |
28a76be8 AL |
1525 | case 0x3a: /* CapsLock */ |
1526 | case 0x45: /* NumLock */ | |
7ffb82ca | 1527 | if (down) |
a528b80c AZ |
1528 | vs->modifiers_state[keycode] ^= 1; |
1529 | break; | |
1530 | } | |
1531 | ||
9892088b | 1532 | if (down && vs->vd->lock_key_sync && |
3a0558b5 | 1533 | keycode_is_keypad(vs->vd->kbd_layout, keycode)) { |
a528b80c AZ |
1534 | /* If the numlock state needs to change then simulate an additional |
1535 | keypress before sending this one. This will happen if the user | |
1536 | toggles numlock away from the VNC window. | |
1537 | */ | |
753b4053 | 1538 | if (keysym_is_numlock(vs->vd->kbd_layout, sym & 0xFFFF)) { |
a528b80c AZ |
1539 | if (!vs->modifiers_state[0x45]) { |
1540 | vs->modifiers_state[0x45] = 1; | |
1541 | press_key(vs, 0xff7f); | |
1542 | } | |
1543 | } else { | |
1544 | if (vs->modifiers_state[0x45]) { | |
1545 | vs->modifiers_state[0x45] = 0; | |
1546 | press_key(vs, 0xff7f); | |
1547 | } | |
1548 | } | |
64f5a135 | 1549 | } |
24236869 | 1550 | |
9892088b | 1551 | if (down && vs->vd->lock_key_sync && |
3a0558b5 | 1552 | ((sym >= 'A' && sym <= 'Z') || (sym >= 'a' && sym <= 'z'))) { |
6b132502 GH |
1553 | /* If the capslock state needs to change then simulate an additional |
1554 | keypress before sending this one. This will happen if the user | |
1555 | toggles capslock away from the VNC window. | |
1556 | */ | |
1557 | int uppercase = !!(sym >= 'A' && sym <= 'Z'); | |
1558 | int shift = !!(vs->modifiers_state[0x2a] | vs->modifiers_state[0x36]); | |
1559 | int capslock = !!(vs->modifiers_state[0x3a]); | |
1560 | if (capslock) { | |
1561 | if (uppercase == shift) { | |
1562 | vs->modifiers_state[0x3a] = 0; | |
1563 | press_key(vs, 0xffe5); | |
1564 | } | |
1565 | } else { | |
1566 | if (uppercase != shift) { | |
1567 | vs->modifiers_state[0x3a] = 1; | |
1568 | press_key(vs, 0xffe5); | |
1569 | } | |
1570 | } | |
1571 | } | |
1572 | ||
64f5a135 | 1573 | if (is_graphic_console()) { |
44bb61c8 ST |
1574 | if (keycode & SCANCODE_GREY) |
1575 | kbd_put_keycode(SCANCODE_EMUL0); | |
64f5a135 | 1576 | if (down) |
44bb61c8 | 1577 | kbd_put_keycode(keycode & SCANCODE_KEYCODEMASK); |
64f5a135 | 1578 | else |
44bb61c8 | 1579 | kbd_put_keycode(keycode | SCANCODE_UP); |
64f5a135 | 1580 | } else { |
e26437c2 GH |
1581 | bool numlock = vs->modifiers_state[0x45]; |
1582 | bool control = (vs->modifiers_state[0x1d] || | |
1583 | vs->modifiers_state[0x9d]); | |
64f5a135 FB |
1584 | /* QEMU console emulation */ |
1585 | if (down) { | |
1586 | switch (keycode) { | |
1587 | case 0x2a: /* Left Shift */ | |
1588 | case 0x36: /* Right Shift */ | |
1589 | case 0x1d: /* Left CTRL */ | |
1590 | case 0x9d: /* Right CTRL */ | |
1591 | case 0x38: /* Left ALT */ | |
1592 | case 0xb8: /* Right ALT */ | |
1593 | break; | |
1594 | case 0xc8: | |
1595 | kbd_put_keysym(QEMU_KEY_UP); | |
1596 | break; | |
1597 | case 0xd0: | |
1598 | kbd_put_keysym(QEMU_KEY_DOWN); | |
1599 | break; | |
1600 | case 0xcb: | |
1601 | kbd_put_keysym(QEMU_KEY_LEFT); | |
1602 | break; | |
1603 | case 0xcd: | |
1604 | kbd_put_keysym(QEMU_KEY_RIGHT); | |
1605 | break; | |
1606 | case 0xd3: | |
1607 | kbd_put_keysym(QEMU_KEY_DELETE); | |
1608 | break; | |
1609 | case 0xc7: | |
1610 | kbd_put_keysym(QEMU_KEY_HOME); | |
1611 | break; | |
1612 | case 0xcf: | |
1613 | kbd_put_keysym(QEMU_KEY_END); | |
1614 | break; | |
1615 | case 0xc9: | |
1616 | kbd_put_keysym(QEMU_KEY_PAGEUP); | |
1617 | break; | |
1618 | case 0xd1: | |
1619 | kbd_put_keysym(QEMU_KEY_PAGEDOWN); | |
1620 | break; | |
bb0a18e1 GH |
1621 | |
1622 | case 0x47: | |
1623 | kbd_put_keysym(numlock ? '7' : QEMU_KEY_HOME); | |
1624 | break; | |
1625 | case 0x48: | |
1626 | kbd_put_keysym(numlock ? '8' : QEMU_KEY_UP); | |
1627 | break; | |
1628 | case 0x49: | |
1629 | kbd_put_keysym(numlock ? '9' : QEMU_KEY_PAGEUP); | |
1630 | break; | |
1631 | case 0x4b: | |
1632 | kbd_put_keysym(numlock ? '4' : QEMU_KEY_LEFT); | |
1633 | break; | |
1634 | case 0x4c: | |
1635 | kbd_put_keysym('5'); | |
1636 | break; | |
1637 | case 0x4d: | |
1638 | kbd_put_keysym(numlock ? '6' : QEMU_KEY_RIGHT); | |
1639 | break; | |
1640 | case 0x4f: | |
1641 | kbd_put_keysym(numlock ? '1' : QEMU_KEY_END); | |
1642 | break; | |
1643 | case 0x50: | |
1644 | kbd_put_keysym(numlock ? '2' : QEMU_KEY_DOWN); | |
1645 | break; | |
1646 | case 0x51: | |
1647 | kbd_put_keysym(numlock ? '3' : QEMU_KEY_PAGEDOWN); | |
1648 | break; | |
1649 | case 0x52: | |
1650 | kbd_put_keysym('0'); | |
1651 | break; | |
1652 | case 0x53: | |
1653 | kbd_put_keysym(numlock ? '.' : QEMU_KEY_DELETE); | |
1654 | break; | |
1655 | ||
1656 | case 0xb5: | |
1657 | kbd_put_keysym('/'); | |
1658 | break; | |
1659 | case 0x37: | |
1660 | kbd_put_keysym('*'); | |
1661 | break; | |
1662 | case 0x4a: | |
1663 | kbd_put_keysym('-'); | |
1664 | break; | |
1665 | case 0x4e: | |
1666 | kbd_put_keysym('+'); | |
1667 | break; | |
1668 | case 0x9c: | |
1669 | kbd_put_keysym('\n'); | |
1670 | break; | |
1671 | ||
64f5a135 | 1672 | default: |
e26437c2 GH |
1673 | if (control) { |
1674 | kbd_put_keysym(sym & 0x1f); | |
1675 | } else { | |
1676 | kbd_put_keysym(sym); | |
1677 | } | |
64f5a135 FB |
1678 | break; |
1679 | } | |
1680 | } | |
1681 | } | |
24236869 FB |
1682 | } |
1683 | ||
7bc9318b GH |
1684 | static void vnc_release_modifiers(VncState *vs) |
1685 | { | |
1686 | static const int keycodes[] = { | |
1687 | /* shift, control, alt keys, both left & right */ | |
1688 | 0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, | |
1689 | }; | |
1690 | int i, keycode; | |
1691 | ||
1692 | if (!is_graphic_console()) { | |
1693 | return; | |
1694 | } | |
1695 | for (i = 0; i < ARRAY_SIZE(keycodes); i++) { | |
1696 | keycode = keycodes[i]; | |
1697 | if (!vs->modifiers_state[keycode]) { | |
1698 | continue; | |
1699 | } | |
1700 | if (keycode & SCANCODE_GREY) { | |
1701 | kbd_put_keycode(SCANCODE_EMUL0); | |
1702 | } | |
1703 | kbd_put_keycode(keycode | SCANCODE_UP); | |
1704 | } | |
1705 | } | |
1706 | ||
bdbd7676 FB |
1707 | static void key_event(VncState *vs, int down, uint32_t sym) |
1708 | { | |
9ca313aa | 1709 | int keycode; |
4a93fe17 | 1710 | int lsym = sym; |
9ca313aa | 1711 | |
4a93fe17 GH |
1712 | if (lsym >= 'A' && lsym <= 'Z' && is_graphic_console()) { |
1713 | lsym = lsym - 'A' + 'a'; | |
1714 | } | |
9ca313aa | 1715 | |
44bb61c8 | 1716 | keycode = keysym2scancode(vs->vd->kbd_layout, lsym & 0xFFFF) & SCANCODE_KEYMASK; |
9ca313aa AL |
1717 | do_key_event(vs, down, keycode, sym); |
1718 | } | |
1719 | ||
1720 | static void ext_key_event(VncState *vs, int down, | |
1721 | uint32_t sym, uint16_t keycode) | |
1722 | { | |
1723 | /* if the user specifies a keyboard layout, always use it */ | |
1724 | if (keyboard_layout) | |
1725 | key_event(vs, down, sym); | |
1726 | else | |
1727 | do_key_event(vs, down, keycode, sym); | |
bdbd7676 FB |
1728 | } |
1729 | ||
24236869 | 1730 | static void framebuffer_update_request(VncState *vs, int incremental, |
28a76be8 AL |
1731 | int x_position, int y_position, |
1732 | int w, int h) | |
24236869 | 1733 | { |
6ed391bf WC |
1734 | int i; |
1735 | const size_t width = ds_get_width(vs->ds) / 16; | |
1736 | ||
0e1f5a0c AL |
1737 | if (y_position > ds_get_height(vs->ds)) |
1738 | y_position = ds_get_height(vs->ds); | |
0e1f5a0c AL |
1739 | if (y_position + h >= ds_get_height(vs->ds)) |
1740 | h = ds_get_height(vs->ds) - y_position; | |
cf2d385c | 1741 | |
24236869 FB |
1742 | vs->need_update = 1; |
1743 | if (!incremental) { | |
24cf0a6e | 1744 | vs->force_update = 1; |
28a76be8 | 1745 | for (i = 0; i < h; i++) { |
6ed391bf WC |
1746 | bitmap_set(vs->dirty[y_position + i], 0, width); |
1747 | bitmap_clear(vs->dirty[y_position + i], width, | |
a0843a68 | 1748 | VNC_DIRTY_BITS - width); |
28a76be8 | 1749 | } |
24236869 FB |
1750 | } |
1751 | } | |
1752 | ||
9ca313aa AL |
1753 | static void send_ext_key_event_ack(VncState *vs) |
1754 | { | |
bd023f95 | 1755 | vnc_lock_output(vs); |
46a183da | 1756 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
9ca313aa AL |
1757 | vnc_write_u8(vs, 0); |
1758 | vnc_write_u16(vs, 1); | |
29fa4ed9 AL |
1759 | vnc_framebuffer_update(vs, 0, 0, ds_get_width(vs->ds), ds_get_height(vs->ds), |
1760 | VNC_ENCODING_EXT_KEY_EVENT); | |
bd023f95 | 1761 | vnc_unlock_output(vs); |
9ca313aa AL |
1762 | vnc_flush(vs); |
1763 | } | |
1764 | ||
429a8ed3 | 1765 | static void send_ext_audio_ack(VncState *vs) |
1766 | { | |
bd023f95 | 1767 | vnc_lock_output(vs); |
46a183da | 1768 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
429a8ed3 | 1769 | vnc_write_u8(vs, 0); |
1770 | vnc_write_u16(vs, 1); | |
29fa4ed9 AL |
1771 | vnc_framebuffer_update(vs, 0, 0, ds_get_width(vs->ds), ds_get_height(vs->ds), |
1772 | VNC_ENCODING_AUDIO); | |
bd023f95 | 1773 | vnc_unlock_output(vs); |
429a8ed3 | 1774 | vnc_flush(vs); |
1775 | } | |
1776 | ||
24236869 FB |
1777 | static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) |
1778 | { | |
1779 | int i; | |
29fa4ed9 | 1780 | unsigned int enc = 0; |
24236869 | 1781 | |
29fa4ed9 | 1782 | vs->features = 0; |
a9f20d31 | 1783 | vs->vnc_encoding = 0; |
d1af0e05 CC |
1784 | vs->tight.compression = 9; |
1785 | vs->tight.quality = -1; /* Lossless by default */ | |
564c337e | 1786 | vs->absolute = -1; |
24236869 | 1787 | |
8a0f0d0c CC |
1788 | /* |
1789 | * Start from the end because the encodings are sent in order of preference. | |
e5bed759 | 1790 | * This way the preferred encoding (first encoding defined in the array) |
8a0f0d0c CC |
1791 | * will be set at the end of the loop. |
1792 | */ | |
24236869 | 1793 | for (i = n_encodings - 1; i >= 0; i--) { |
29fa4ed9 AL |
1794 | enc = encodings[i]; |
1795 | switch (enc) { | |
1796 | case VNC_ENCODING_RAW: | |
a9f20d31 | 1797 | vs->vnc_encoding = enc; |
29fa4ed9 AL |
1798 | break; |
1799 | case VNC_ENCODING_COPYRECT: | |
753b4053 | 1800 | vs->features |= VNC_FEATURE_COPYRECT_MASK; |
29fa4ed9 AL |
1801 | break; |
1802 | case VNC_ENCODING_HEXTILE: | |
1803 | vs->features |= VNC_FEATURE_HEXTILE_MASK; | |
a9f20d31 | 1804 | vs->vnc_encoding = enc; |
29fa4ed9 | 1805 | break; |
380282b0 CC |
1806 | case VNC_ENCODING_TIGHT: |
1807 | vs->features |= VNC_FEATURE_TIGHT_MASK; | |
1808 | vs->vnc_encoding = enc; | |
1809 | break; | |
efe556ad CC |
1810 | case VNC_ENCODING_TIGHT_PNG: |
1811 | vs->features |= VNC_FEATURE_TIGHT_PNG_MASK; | |
1812 | vs->vnc_encoding = enc; | |
1813 | break; | |
059cef40 AL |
1814 | case VNC_ENCODING_ZLIB: |
1815 | vs->features |= VNC_FEATURE_ZLIB_MASK; | |
a9f20d31 | 1816 | vs->vnc_encoding = enc; |
059cef40 | 1817 | break; |
148954fa CC |
1818 | case VNC_ENCODING_ZRLE: |
1819 | vs->features |= VNC_FEATURE_ZRLE_MASK; | |
1820 | vs->vnc_encoding = enc; | |
1821 | break; | |
1822 | case VNC_ENCODING_ZYWRLE: | |
1823 | vs->features |= VNC_FEATURE_ZYWRLE_MASK; | |
1824 | vs->vnc_encoding = enc; | |
1825 | break; | |
29fa4ed9 AL |
1826 | case VNC_ENCODING_DESKTOPRESIZE: |
1827 | vs->features |= VNC_FEATURE_RESIZE_MASK; | |
1828 | break; | |
1829 | case VNC_ENCODING_POINTER_TYPE_CHANGE: | |
1830 | vs->features |= VNC_FEATURE_POINTER_TYPE_CHANGE_MASK; | |
1831 | break; | |
d467b679 GH |
1832 | case VNC_ENCODING_RICH_CURSOR: |
1833 | vs->features |= VNC_FEATURE_RICH_CURSOR_MASK; | |
1834 | break; | |
29fa4ed9 | 1835 | case VNC_ENCODING_EXT_KEY_EVENT: |
9ca313aa AL |
1836 | send_ext_key_event_ack(vs); |
1837 | break; | |
29fa4ed9 | 1838 | case VNC_ENCODING_AUDIO: |
429a8ed3 | 1839 | send_ext_audio_ack(vs); |
1840 | break; | |
29fa4ed9 AL |
1841 | case VNC_ENCODING_WMVi: |
1842 | vs->features |= VNC_FEATURE_WMVI_MASK; | |
ca4cca4d | 1843 | break; |
fb437313 | 1844 | case VNC_ENCODING_COMPRESSLEVEL0 ... VNC_ENCODING_COMPRESSLEVEL0 + 9: |
d1af0e05 | 1845 | vs->tight.compression = (enc & 0x0F); |
fb437313 AL |
1846 | break; |
1847 | case VNC_ENCODING_QUALITYLEVEL0 ... VNC_ENCODING_QUALITYLEVEL0 + 9: | |
b31f519e CC |
1848 | if (vs->vd->lossy) { |
1849 | vs->tight.quality = (enc & 0x0F); | |
1850 | } | |
fb437313 | 1851 | break; |
29fa4ed9 AL |
1852 | default: |
1853 | VNC_DEBUG("Unknown encoding: %d (0x%.8x): %d\n", i, enc, enc); | |
1854 | break; | |
1855 | } | |
24236869 | 1856 | } |
6356e472 | 1857 | vnc_desktop_resize(vs); |
9e8dd451 | 1858 | check_pointer_type_change(&vs->mouse_mode_notifier, NULL); |
24236869 FB |
1859 | } |
1860 | ||
6cec5487 AL |
1861 | static void set_pixel_conversion(VncState *vs) |
1862 | { | |
1863 | if ((vs->clientds.flags & QEMU_BIG_ENDIAN_FLAG) == | |
1864 | (vs->ds->surface->flags & QEMU_BIG_ENDIAN_FLAG) && | |
1865 | !memcmp(&(vs->clientds.pf), &(vs->ds->surface->pf), sizeof(PixelFormat))) { | |
1866 | vs->write_pixels = vnc_write_pixels_copy; | |
70a4568f | 1867 | vnc_hextile_set_pixel_conversion(vs, 0); |
6cec5487 AL |
1868 | } else { |
1869 | vs->write_pixels = vnc_write_pixels_generic; | |
70a4568f | 1870 | vnc_hextile_set_pixel_conversion(vs, 1); |
6cec5487 AL |
1871 | } |
1872 | } | |
1873 | ||
24236869 | 1874 | static void set_pixel_format(VncState *vs, |
28a76be8 AL |
1875 | int bits_per_pixel, int depth, |
1876 | int big_endian_flag, int true_color_flag, | |
1877 | int red_max, int green_max, int blue_max, | |
1878 | int red_shift, int green_shift, int blue_shift) | |
24236869 | 1879 | { |
3512779a | 1880 | if (!true_color_flag) { |
28a76be8 | 1881 | vnc_client_error(vs); |
3512779a FB |
1882 | return; |
1883 | } | |
24236869 | 1884 | |
1fc62412 | 1885 | vs->clientds = *(vs->vd->guest.ds); |
6cec5487 | 1886 | vs->clientds.pf.rmax = red_max; |
bc2429b9 | 1887 | vs->clientds.pf.rbits = hweight_long(red_max); |
6cec5487 AL |
1888 | vs->clientds.pf.rshift = red_shift; |
1889 | vs->clientds.pf.rmask = red_max << red_shift; | |
1890 | vs->clientds.pf.gmax = green_max; | |
bc2429b9 | 1891 | vs->clientds.pf.gbits = hweight_long(green_max); |
6cec5487 AL |
1892 | vs->clientds.pf.gshift = green_shift; |
1893 | vs->clientds.pf.gmask = green_max << green_shift; | |
1894 | vs->clientds.pf.bmax = blue_max; | |
bc2429b9 | 1895 | vs->clientds.pf.bbits = hweight_long(blue_max); |
6cec5487 AL |
1896 | vs->clientds.pf.bshift = blue_shift; |
1897 | vs->clientds.pf.bmask = blue_max << blue_shift; | |
1898 | vs->clientds.pf.bits_per_pixel = bits_per_pixel; | |
1899 | vs->clientds.pf.bytes_per_pixel = bits_per_pixel / 8; | |
1900 | vs->clientds.pf.depth = bits_per_pixel == 32 ? 24 : bits_per_pixel; | |
1901 | vs->clientds.flags = big_endian_flag ? QEMU_BIG_ENDIAN_FLAG : 0x00; | |
1902 | ||
1903 | set_pixel_conversion(vs); | |
24236869 FB |
1904 | |
1905 | vga_hw_invalidate(); | |
1906 | vga_hw_update(); | |
1907 | } | |
1908 | ||
ca4cca4d AL |
1909 | static void pixel_format_message (VncState *vs) { |
1910 | char pad[3] = { 0, 0, 0 }; | |
1911 | ||
6cec5487 AL |
1912 | vnc_write_u8(vs, vs->ds->surface->pf.bits_per_pixel); /* bits-per-pixel */ |
1913 | vnc_write_u8(vs, vs->ds->surface->pf.depth); /* depth */ | |
ca4cca4d | 1914 | |
e2542fe2 | 1915 | #ifdef HOST_WORDS_BIGENDIAN |
ca4cca4d AL |
1916 | vnc_write_u8(vs, 1); /* big-endian-flag */ |
1917 | #else | |
1918 | vnc_write_u8(vs, 0); /* big-endian-flag */ | |
1919 | #endif | |
1920 | vnc_write_u8(vs, 1); /* true-color-flag */ | |
6cec5487 AL |
1921 | vnc_write_u16(vs, vs->ds->surface->pf.rmax); /* red-max */ |
1922 | vnc_write_u16(vs, vs->ds->surface->pf.gmax); /* green-max */ | |
1923 | vnc_write_u16(vs, vs->ds->surface->pf.bmax); /* blue-max */ | |
1924 | vnc_write_u8(vs, vs->ds->surface->pf.rshift); /* red-shift */ | |
1925 | vnc_write_u8(vs, vs->ds->surface->pf.gshift); /* green-shift */ | |
1926 | vnc_write_u8(vs, vs->ds->surface->pf.bshift); /* blue-shift */ | |
70a4568f CC |
1927 | |
1928 | vnc_hextile_set_pixel_conversion(vs, 0); | |
1929 | ||
6cec5487 | 1930 | vs->clientds = *(vs->ds->surface); |
3cded540 | 1931 | vs->clientds.flags &= ~QEMU_ALLOCATED_FLAG; |
ca4cca4d AL |
1932 | vs->write_pixels = vnc_write_pixels_copy; |
1933 | ||
1934 | vnc_write(vs, pad, 3); /* padding */ | |
1935 | } | |
1936 | ||
7d957bd8 AL |
1937 | static void vnc_dpy_setdata(DisplayState *ds) |
1938 | { | |
1939 | /* We don't have to do anything */ | |
1940 | } | |
1941 | ||
753b4053 | 1942 | static void vnc_colordepth(VncState *vs) |
7eac3a87 | 1943 | { |
753b4053 | 1944 | if (vnc_has_feature(vs, VNC_FEATURE_WMVI)) { |
ca4cca4d | 1945 | /* Sending a WMVi message to notify the client*/ |
bd023f95 | 1946 | vnc_lock_output(vs); |
46a183da | 1947 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
ca4cca4d AL |
1948 | vnc_write_u8(vs, 0); |
1949 | vnc_write_u16(vs, 1); /* number of rects */ | |
753b4053 AL |
1950 | vnc_framebuffer_update(vs, 0, 0, ds_get_width(vs->ds), |
1951 | ds_get_height(vs->ds), VNC_ENCODING_WMVi); | |
ca4cca4d | 1952 | pixel_format_message(vs); |
bd023f95 | 1953 | vnc_unlock_output(vs); |
ca4cca4d | 1954 | vnc_flush(vs); |
7eac3a87 | 1955 | } else { |
6cec5487 | 1956 | set_pixel_conversion(vs); |
7eac3a87 AL |
1957 | } |
1958 | } | |
1959 | ||
60fe76f3 | 1960 | static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len) |
24236869 FB |
1961 | { |
1962 | int i; | |
1963 | uint16_t limit; | |
2430ffe4 SS |
1964 | VncDisplay *vd = vs->vd; |
1965 | ||
1966 | if (data[0] > 3) { | |
1967 | vd->timer_interval = VNC_REFRESH_INTERVAL_BASE; | |
7bd427d8 PB |
1968 | if (!qemu_timer_expired(vd->timer, qemu_get_clock_ms(rt_clock) + vd->timer_interval)) |
1969 | qemu_mod_timer(vd->timer, qemu_get_clock_ms(rt_clock) + vd->timer_interval); | |
2430ffe4 | 1970 | } |
24236869 FB |
1971 | |
1972 | switch (data[0]) { | |
46a183da | 1973 | case VNC_MSG_CLIENT_SET_PIXEL_FORMAT: |
28a76be8 AL |
1974 | if (len == 1) |
1975 | return 20; | |
1976 | ||
1977 | set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5), | |
1978 | read_u8(data, 6), read_u8(data, 7), | |
1979 | read_u16(data, 8), read_u16(data, 10), | |
1980 | read_u16(data, 12), read_u8(data, 14), | |
1981 | read_u8(data, 15), read_u8(data, 16)); | |
1982 | break; | |
46a183da | 1983 | case VNC_MSG_CLIENT_SET_ENCODINGS: |
28a76be8 AL |
1984 | if (len == 1) |
1985 | return 4; | |
24236869 | 1986 | |
28a76be8 | 1987 | if (len == 4) { |
69dd5c9f AL |
1988 | limit = read_u16(data, 2); |
1989 | if (limit > 0) | |
1990 | return 4 + (limit * 4); | |
1991 | } else | |
1992 | limit = read_u16(data, 2); | |
24236869 | 1993 | |
28a76be8 AL |
1994 | for (i = 0; i < limit; i++) { |
1995 | int32_t val = read_s32(data, 4 + (i * 4)); | |
1996 | memcpy(data + 4 + (i * 4), &val, sizeof(val)); | |
1997 | } | |
24236869 | 1998 | |
28a76be8 AL |
1999 | set_encodings(vs, (int32_t *)(data + 4), limit); |
2000 | break; | |
46a183da | 2001 | case VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST: |
28a76be8 AL |
2002 | if (len == 1) |
2003 | return 10; | |
24236869 | 2004 | |
28a76be8 AL |
2005 | framebuffer_update_request(vs, |
2006 | read_u8(data, 1), read_u16(data, 2), read_u16(data, 4), | |
2007 | read_u16(data, 6), read_u16(data, 8)); | |
2008 | break; | |
46a183da | 2009 | case VNC_MSG_CLIENT_KEY_EVENT: |
28a76be8 AL |
2010 | if (len == 1) |
2011 | return 8; | |
24236869 | 2012 | |
28a76be8 AL |
2013 | key_event(vs, read_u8(data, 1), read_u32(data, 4)); |
2014 | break; | |
46a183da | 2015 | case VNC_MSG_CLIENT_POINTER_EVENT: |
28a76be8 AL |
2016 | if (len == 1) |
2017 | return 6; | |
24236869 | 2018 | |
28a76be8 AL |
2019 | pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 4)); |
2020 | break; | |
46a183da | 2021 | case VNC_MSG_CLIENT_CUT_TEXT: |
28a76be8 AL |
2022 | if (len == 1) |
2023 | return 8; | |
24236869 | 2024 | |
28a76be8 | 2025 | if (len == 8) { |
baa7666c TS |
2026 | uint32_t dlen = read_u32(data, 4); |
2027 | if (dlen > 0) | |
2028 | return 8 + dlen; | |
2029 | } | |
24236869 | 2030 | |
28a76be8 AL |
2031 | client_cut_text(vs, read_u32(data, 4), data + 8); |
2032 | break; | |
46a183da | 2033 | case VNC_MSG_CLIENT_QEMU: |
9ca313aa AL |
2034 | if (len == 1) |
2035 | return 2; | |
2036 | ||
2037 | switch (read_u8(data, 1)) { | |
46a183da | 2038 | case VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT: |
9ca313aa AL |
2039 | if (len == 2) |
2040 | return 12; | |
2041 | ||
2042 | ext_key_event(vs, read_u16(data, 2), | |
2043 | read_u32(data, 4), read_u32(data, 8)); | |
2044 | break; | |
46a183da | 2045 | case VNC_MSG_CLIENT_QEMU_AUDIO: |
429a8ed3 | 2046 | if (len == 2) |
2047 | return 4; | |
2048 | ||
2049 | switch (read_u16 (data, 2)) { | |
46a183da | 2050 | case VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE: |
429a8ed3 | 2051 | audio_add(vs); |
2052 | break; | |
46a183da | 2053 | case VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE: |
429a8ed3 | 2054 | audio_del(vs); |
2055 | break; | |
46a183da | 2056 | case VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT: |
429a8ed3 | 2057 | if (len == 4) |
2058 | return 10; | |
2059 | switch (read_u8(data, 4)) { | |
2060 | case 0: vs->as.fmt = AUD_FMT_U8; break; | |
2061 | case 1: vs->as.fmt = AUD_FMT_S8; break; | |
2062 | case 2: vs->as.fmt = AUD_FMT_U16; break; | |
2063 | case 3: vs->as.fmt = AUD_FMT_S16; break; | |
2064 | case 4: vs->as.fmt = AUD_FMT_U32; break; | |
2065 | case 5: vs->as.fmt = AUD_FMT_S32; break; | |
2066 | default: | |
2067 | printf("Invalid audio format %d\n", read_u8(data, 4)); | |
2068 | vnc_client_error(vs); | |
2069 | break; | |
2070 | } | |
2071 | vs->as.nchannels = read_u8(data, 5); | |
2072 | if (vs->as.nchannels != 1 && vs->as.nchannels != 2) { | |
2073 | printf("Invalid audio channel coount %d\n", | |
2074 | read_u8(data, 5)); | |
2075 | vnc_client_error(vs); | |
2076 | break; | |
2077 | } | |
2078 | vs->as.freq = read_u32(data, 6); | |
2079 | break; | |
2080 | default: | |
2081 | printf ("Invalid audio message %d\n", read_u8(data, 4)); | |
2082 | vnc_client_error(vs); | |
2083 | break; | |
2084 | } | |
2085 | break; | |
2086 | ||
9ca313aa AL |
2087 | default: |
2088 | printf("Msg: %d\n", read_u16(data, 0)); | |
2089 | vnc_client_error(vs); | |
2090 | break; | |
2091 | } | |
2092 | break; | |
24236869 | 2093 | default: |
28a76be8 AL |
2094 | printf("Msg: %d\n", data[0]); |
2095 | vnc_client_error(vs); | |
2096 | break; | |
24236869 | 2097 | } |
5fafdf24 | 2098 | |
24236869 FB |
2099 | vnc_read_when(vs, protocol_client_msg, 1); |
2100 | return 0; | |
2101 | } | |
2102 | ||
60fe76f3 | 2103 | static int protocol_client_init(VncState *vs, uint8_t *data, size_t len) |
24236869 | 2104 | { |
c35734b2 | 2105 | char buf[1024]; |
8cf36489 | 2106 | VncShareMode mode; |
c35734b2 | 2107 | int size; |
24236869 | 2108 | |
8cf36489 GH |
2109 | mode = data[0] ? VNC_SHARE_MODE_SHARED : VNC_SHARE_MODE_EXCLUSIVE; |
2110 | switch (vs->vd->share_policy) { | |
2111 | case VNC_SHARE_POLICY_IGNORE: | |
2112 | /* | |
2113 | * Ignore the shared flag. Nothing to do here. | |
2114 | * | |
2115 | * Doesn't conform to the rfb spec but is traditional qemu | |
2116 | * behavior, thus left here as option for compatibility | |
2117 | * reasons. | |
2118 | */ | |
2119 | break; | |
2120 | case VNC_SHARE_POLICY_ALLOW_EXCLUSIVE: | |
2121 | /* | |
2122 | * Policy: Allow clients ask for exclusive access. | |
2123 | * | |
2124 | * Implementation: When a client asks for exclusive access, | |
2125 | * disconnect all others. Shared connects are allowed as long | |
2126 | * as no exclusive connection exists. | |
2127 | * | |
2128 | * This is how the rfb spec suggests to handle the shared flag. | |
2129 | */ | |
2130 | if (mode == VNC_SHARE_MODE_EXCLUSIVE) { | |
2131 | VncState *client; | |
2132 | QTAILQ_FOREACH(client, &vs->vd->clients, next) { | |
2133 | if (vs == client) { | |
2134 | continue; | |
2135 | } | |
2136 | if (client->share_mode != VNC_SHARE_MODE_EXCLUSIVE && | |
2137 | client->share_mode != VNC_SHARE_MODE_SHARED) { | |
2138 | continue; | |
2139 | } | |
2140 | vnc_disconnect_start(client); | |
2141 | } | |
2142 | } | |
2143 | if (mode == VNC_SHARE_MODE_SHARED) { | |
2144 | if (vs->vd->num_exclusive > 0) { | |
2145 | vnc_disconnect_start(vs); | |
2146 | return 0; | |
2147 | } | |
2148 | } | |
2149 | break; | |
2150 | case VNC_SHARE_POLICY_FORCE_SHARED: | |
2151 | /* | |
2152 | * Policy: Shared connects only. | |
2153 | * Implementation: Disallow clients asking for exclusive access. | |
2154 | * | |
2155 | * Useful for shared desktop sessions where you don't want | |
2156 | * someone forgetting to say -shared when running the vnc | |
2157 | * client disconnect everybody else. | |
2158 | */ | |
2159 | if (mode == VNC_SHARE_MODE_EXCLUSIVE) { | |
2160 | vnc_disconnect_start(vs); | |
2161 | return 0; | |
2162 | } | |
2163 | break; | |
2164 | } | |
2165 | vnc_set_share_mode(vs, mode); | |
2166 | ||
5862d195 GH |
2167 | vs->client_width = ds_get_width(vs->ds); |
2168 | vs->client_height = ds_get_height(vs->ds); | |
2169 | vnc_write_u16(vs, vs->client_width); | |
2170 | vnc_write_u16(vs, vs->client_height); | |
24236869 | 2171 | |
ca4cca4d | 2172 | pixel_format_message(vs); |
24236869 | 2173 | |
c35734b2 TS |
2174 | if (qemu_name) |
2175 | size = snprintf(buf, sizeof(buf), "QEMU (%s)", qemu_name); | |
2176 | else | |
2177 | size = snprintf(buf, sizeof(buf), "QEMU"); | |
2178 | ||
2179 | vnc_write_u32(vs, size); | |
2180 | vnc_write(vs, buf, size); | |
24236869 FB |
2181 | vnc_flush(vs); |
2182 | ||
4a80dba3 | 2183 | vnc_client_cache_auth(vs); |
0d2ed46a | 2184 | vnc_qmp_event(vs, QEVENT_VNC_INITIALIZED); |
4a80dba3 | 2185 | |
24236869 FB |
2186 | vnc_read_when(vs, protocol_client_msg, 1); |
2187 | ||
2188 | return 0; | |
2189 | } | |
2190 | ||
5fb6c7a8 AL |
2191 | void start_client_init(VncState *vs) |
2192 | { | |
2193 | vnc_read_when(vs, protocol_client_init, 1); | |
2194 | } | |
2195 | ||
70848515 TS |
2196 | static void make_challenge(VncState *vs) |
2197 | { | |
2198 | int i; | |
2199 | ||
2200 | srand(time(NULL)+getpid()+getpid()*987654+rand()); | |
2201 | ||
2202 | for (i = 0 ; i < sizeof(vs->challenge) ; i++) | |
2203 | vs->challenge[i] = (int) (256.0*rand()/(RAND_MAX+1.0)); | |
2204 | } | |
2205 | ||
60fe76f3 | 2206 | static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len) |
70848515 | 2207 | { |
60fe76f3 | 2208 | unsigned char response[VNC_AUTH_CHALLENGE_SIZE]; |
70848515 | 2209 | int i, j, pwlen; |
60fe76f3 | 2210 | unsigned char key[8]; |
3c9405a0 | 2211 | time_t now = time(NULL); |
70848515 | 2212 | |
1cd20f8b | 2213 | if (!vs->vd->password) { |
28a76be8 | 2214 | VNC_DEBUG("No password configured on server"); |
6bffdf0f | 2215 | goto reject; |
70848515 | 2216 | } |
3c9405a0 GH |
2217 | if (vs->vd->expires < now) { |
2218 | VNC_DEBUG("Password is expired"); | |
2219 | goto reject; | |
2220 | } | |
70848515 TS |
2221 | |
2222 | memcpy(response, vs->challenge, VNC_AUTH_CHALLENGE_SIZE); | |
2223 | ||
2224 | /* Calculate the expected challenge response */ | |
753b4053 | 2225 | pwlen = strlen(vs->vd->password); |
70848515 | 2226 | for (i=0; i<sizeof(key); i++) |
753b4053 | 2227 | key[i] = i<pwlen ? vs->vd->password[i] : 0; |
70848515 TS |
2228 | deskey(key, EN0); |
2229 | for (j = 0; j < VNC_AUTH_CHALLENGE_SIZE; j += 8) | |
2230 | des(response+j, response+j); | |
2231 | ||
2232 | /* Compare expected vs actual challenge response */ | |
2233 | if (memcmp(response, data, VNC_AUTH_CHALLENGE_SIZE) != 0) { | |
e5bed759 | 2234 | VNC_DEBUG("Client challenge response did not match\n"); |
6bffdf0f | 2235 | goto reject; |
70848515 | 2236 | } else { |
28a76be8 AL |
2237 | VNC_DEBUG("Accepting VNC challenge response\n"); |
2238 | vnc_write_u32(vs, 0); /* Accept auth */ | |
2239 | vnc_flush(vs); | |
70848515 | 2240 | |
5fb6c7a8 | 2241 | start_client_init(vs); |
70848515 TS |
2242 | } |
2243 | return 0; | |
6bffdf0f GH |
2244 | |
2245 | reject: | |
2246 | vnc_write_u32(vs, 1); /* Reject auth */ | |
2247 | if (vs->minor >= 8) { | |
2248 | static const char err[] = "Authentication failed"; | |
2249 | vnc_write_u32(vs, sizeof(err)); | |
2250 | vnc_write(vs, err, sizeof(err)); | |
2251 | } | |
2252 | vnc_flush(vs); | |
2253 | vnc_client_error(vs); | |
2254 | return 0; | |
70848515 TS |
2255 | } |
2256 | ||
5fb6c7a8 | 2257 | void start_auth_vnc(VncState *vs) |
70848515 TS |
2258 | { |
2259 | make_challenge(vs); | |
2260 | /* Send client a 'random' challenge */ | |
2261 | vnc_write(vs, vs->challenge, sizeof(vs->challenge)); | |
2262 | vnc_flush(vs); | |
2263 | ||
2264 | vnc_read_when(vs, protocol_client_auth_vnc, sizeof(vs->challenge)); | |
469b15c6 TS |
2265 | } |
2266 | ||
2267 | ||
60fe76f3 | 2268 | static int protocol_client_auth(VncState *vs, uint8_t *data, size_t len) |
70848515 TS |
2269 | { |
2270 | /* We only advertise 1 auth scheme at a time, so client | |
2271 | * must pick the one we sent. Verify this */ | |
7e7e2ebc | 2272 | if (data[0] != vs->auth) { /* Reject auth */ |
1263b7d6 | 2273 | VNC_DEBUG("Reject auth %d because it didn't match advertized\n", (int)data[0]); |
70848515 TS |
2274 | vnc_write_u32(vs, 1); |
2275 | if (vs->minor >= 8) { | |
2276 | static const char err[] = "Authentication failed"; | |
2277 | vnc_write_u32(vs, sizeof(err)); | |
2278 | vnc_write(vs, err, sizeof(err)); | |
2279 | } | |
2280 | vnc_client_error(vs); | |
2281 | } else { /* Accept requested auth */ | |
2282 | VNC_DEBUG("Client requested auth %d\n", (int)data[0]); | |
7e7e2ebc | 2283 | switch (vs->auth) { |
70848515 TS |
2284 | case VNC_AUTH_NONE: |
2285 | VNC_DEBUG("Accept auth none\n"); | |
a26c97ad AZ |
2286 | if (vs->minor >= 8) { |
2287 | vnc_write_u32(vs, 0); /* Accept auth completion */ | |
2288 | vnc_flush(vs); | |
2289 | } | |
5fb6c7a8 | 2290 | start_client_init(vs); |
70848515 TS |
2291 | break; |
2292 | ||
2293 | case VNC_AUTH_VNC: | |
2294 | VNC_DEBUG("Start VNC auth\n"); | |
5fb6c7a8 AL |
2295 | start_auth_vnc(vs); |
2296 | break; | |
70848515 | 2297 | |
eb38c52c | 2298 | #ifdef CONFIG_VNC_TLS |
8d5d2d4c | 2299 | case VNC_AUTH_VENCRYPT: |
3a93113a | 2300 | VNC_DEBUG("Accept VeNCrypt auth\n"); |
5fb6c7a8 AL |
2301 | start_auth_vencrypt(vs); |
2302 | break; | |
8d5d2d4c TS |
2303 | #endif /* CONFIG_VNC_TLS */ |
2304 | ||
2f9606b3 AL |
2305 | #ifdef CONFIG_VNC_SASL |
2306 | case VNC_AUTH_SASL: | |
2307 | VNC_DEBUG("Accept SASL auth\n"); | |
2308 | start_auth_sasl(vs); | |
2309 | break; | |
2310 | #endif /* CONFIG_VNC_SASL */ | |
2311 | ||
70848515 | 2312 | default: /* Should not be possible, but just in case */ |
7e7e2ebc | 2313 | VNC_DEBUG("Reject auth %d server code bug\n", vs->auth); |
70848515 TS |
2314 | vnc_write_u8(vs, 1); |
2315 | if (vs->minor >= 8) { | |
2316 | static const char err[] = "Authentication failed"; | |
2317 | vnc_write_u32(vs, sizeof(err)); | |
2318 | vnc_write(vs, err, sizeof(err)); | |
2319 | } | |
2320 | vnc_client_error(vs); | |
2321 | } | |
2322 | } | |
2323 | return 0; | |
2324 | } | |
2325 | ||
60fe76f3 | 2326 | static int protocol_version(VncState *vs, uint8_t *version, size_t len) |
24236869 FB |
2327 | { |
2328 | char local[13]; | |
24236869 FB |
2329 | |
2330 | memcpy(local, version, 12); | |
2331 | local[12] = 0; | |
2332 | ||
70848515 | 2333 | if (sscanf(local, "RFB %03d.%03d\n", &vs->major, &vs->minor) != 2) { |
28a76be8 AL |
2334 | VNC_DEBUG("Malformed protocol version %s\n", local); |
2335 | vnc_client_error(vs); | |
2336 | return 0; | |
24236869 | 2337 | } |
70848515 TS |
2338 | VNC_DEBUG("Client request protocol version %d.%d\n", vs->major, vs->minor); |
2339 | if (vs->major != 3 || | |
28a76be8 AL |
2340 | (vs->minor != 3 && |
2341 | vs->minor != 4 && | |
2342 | vs->minor != 5 && | |
2343 | vs->minor != 7 && | |
2344 | vs->minor != 8)) { | |
2345 | VNC_DEBUG("Unsupported client version\n"); | |
2346 | vnc_write_u32(vs, VNC_AUTH_INVALID); | |
2347 | vnc_flush(vs); | |
2348 | vnc_client_error(vs); | |
2349 | return 0; | |
70848515 | 2350 | } |
b0566f4f | 2351 | /* Some broken clients report v3.4 or v3.5, which spec requires to be treated |
70848515 TS |
2352 | * as equivalent to v3.3 by servers |
2353 | */ | |
b0566f4f | 2354 | if (vs->minor == 4 || vs->minor == 5) |
28a76be8 | 2355 | vs->minor = 3; |
70848515 TS |
2356 | |
2357 | if (vs->minor == 3) { | |
7e7e2ebc | 2358 | if (vs->auth == VNC_AUTH_NONE) { |
70848515 | 2359 | VNC_DEBUG("Tell client auth none\n"); |
7e7e2ebc | 2360 | vnc_write_u32(vs, vs->auth); |
70848515 | 2361 | vnc_flush(vs); |
28a76be8 | 2362 | start_client_init(vs); |
7e7e2ebc | 2363 | } else if (vs->auth == VNC_AUTH_VNC) { |
70848515 | 2364 | VNC_DEBUG("Tell client VNC auth\n"); |
7e7e2ebc | 2365 | vnc_write_u32(vs, vs->auth); |
70848515 TS |
2366 | vnc_flush(vs); |
2367 | start_auth_vnc(vs); | |
2368 | } else { | |
7e7e2ebc | 2369 | VNC_DEBUG("Unsupported auth %d for protocol 3.3\n", vs->auth); |
70848515 TS |
2370 | vnc_write_u32(vs, VNC_AUTH_INVALID); |
2371 | vnc_flush(vs); | |
2372 | vnc_client_error(vs); | |
2373 | } | |
2374 | } else { | |
7e7e2ebc | 2375 | VNC_DEBUG("Telling client we support auth %d\n", vs->auth); |
28a76be8 | 2376 | vnc_write_u8(vs, 1); /* num auth */ |
7e7e2ebc | 2377 | vnc_write_u8(vs, vs->auth); |
28a76be8 AL |
2378 | vnc_read_when(vs, protocol_client_auth, 1); |
2379 | vnc_flush(vs); | |
70848515 | 2380 | } |
24236869 FB |
2381 | |
2382 | return 0; | |
2383 | } | |
2384 | ||
999342a0 CC |
2385 | static VncRectStat *vnc_stat_rect(VncDisplay *vd, int x, int y) |
2386 | { | |
2387 | struct VncSurface *vs = &vd->guest; | |
2388 | ||
2389 | return &vs->stats[y / VNC_STAT_RECT][x / VNC_STAT_RECT]; | |
2390 | } | |
2391 | ||
7d964c9d CC |
2392 | void vnc_sent_lossy_rect(VncState *vs, int x, int y, int w, int h) |
2393 | { | |
2394 | int i, j; | |
2395 | ||
2396 | w = (x + w) / VNC_STAT_RECT; | |
2397 | h = (y + h) / VNC_STAT_RECT; | |
2398 | x /= VNC_STAT_RECT; | |
2399 | y /= VNC_STAT_RECT; | |
2400 | ||
207f328a CC |
2401 | for (j = y; j <= h; j++) { |
2402 | for (i = x; i <= w; i++) { | |
7d964c9d CC |
2403 | vs->lossy_rect[j][i] = 1; |
2404 | } | |
2405 | } | |
2406 | } | |
2407 | ||
2408 | static int vnc_refresh_lossy_rect(VncDisplay *vd, int x, int y) | |
2409 | { | |
2410 | VncState *vs; | |
2411 | int sty = y / VNC_STAT_RECT; | |
2412 | int stx = x / VNC_STAT_RECT; | |
2413 | int has_dirty = 0; | |
2414 | ||
2415 | y = y / VNC_STAT_RECT * VNC_STAT_RECT; | |
2416 | x = x / VNC_STAT_RECT * VNC_STAT_RECT; | |
2417 | ||
2418 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
bc2429b9 | 2419 | int j; |
7d964c9d CC |
2420 | |
2421 | /* kernel send buffers are full -> refresh later */ | |
2422 | if (vs->output.offset) { | |
2423 | continue; | |
2424 | } | |
2425 | ||
2426 | if (!vs->lossy_rect[sty][stx]) { | |
2427 | continue; | |
2428 | } | |
207f328a | 2429 | |
7d964c9d CC |
2430 | vs->lossy_rect[sty][stx] = 0; |
2431 | for (j = 0; j < VNC_STAT_RECT; ++j) { | |
bc2429b9 | 2432 | bitmap_set(vs->dirty[y + j], x / 16, VNC_STAT_RECT / 16); |
7d964c9d CC |
2433 | } |
2434 | has_dirty++; | |
2435 | } | |
207f328a | 2436 | |
7d964c9d CC |
2437 | return has_dirty; |
2438 | } | |
2439 | ||
2440 | static int vnc_update_stats(VncDisplay *vd, struct timeval * tv) | |
999342a0 CC |
2441 | { |
2442 | int x, y; | |
2443 | struct timeval res; | |
7d964c9d | 2444 | int has_dirty = 0; |
999342a0 CC |
2445 | |
2446 | for (y = 0; y < vd->guest.ds->height; y += VNC_STAT_RECT) { | |
2447 | for (x = 0; x < vd->guest.ds->width; x += VNC_STAT_RECT) { | |
2448 | VncRectStat *rect = vnc_stat_rect(vd, x, y); | |
2449 | ||
2450 | rect->updated = false; | |
2451 | } | |
2452 | } | |
2453 | ||
ad620c29 | 2454 | qemu_timersub(tv, &VNC_REFRESH_STATS, &res); |
999342a0 CC |
2455 | |
2456 | if (timercmp(&vd->guest.last_freq_check, &res, >)) { | |
7d964c9d | 2457 | return has_dirty; |
999342a0 CC |
2458 | } |
2459 | vd->guest.last_freq_check = *tv; | |
2460 | ||
2461 | for (y = 0; y < vd->guest.ds->height; y += VNC_STAT_RECT) { | |
2462 | for (x = 0; x < vd->guest.ds->width; x += VNC_STAT_RECT) { | |
2463 | VncRectStat *rect= vnc_stat_rect(vd, x, y); | |
2464 | int count = ARRAY_SIZE(rect->times); | |
2465 | struct timeval min, max; | |
2466 | ||
2467 | if (!timerisset(&rect->times[count - 1])) { | |
2468 | continue ; | |
2469 | } | |
2470 | ||
2471 | max = rect->times[(rect->idx + count - 1) % count]; | |
ad620c29 | 2472 | qemu_timersub(tv, &max, &res); |
999342a0 CC |
2473 | |
2474 | if (timercmp(&res, &VNC_REFRESH_LOSSY, >)) { | |
2475 | rect->freq = 0; | |
7d964c9d | 2476 | has_dirty += vnc_refresh_lossy_rect(vd, x, y); |
999342a0 CC |
2477 | memset(rect->times, 0, sizeof (rect->times)); |
2478 | continue ; | |
2479 | } | |
2480 | ||
2481 | min = rect->times[rect->idx]; | |
2482 | max = rect->times[(rect->idx + count - 1) % count]; | |
ad620c29 | 2483 | qemu_timersub(&max, &min, &res); |
999342a0 CC |
2484 | |
2485 | rect->freq = res.tv_sec + res.tv_usec / 1000000.; | |
2486 | rect->freq /= count; | |
2487 | rect->freq = 1. / rect->freq; | |
2488 | } | |
2489 | } | |
7d964c9d | 2490 | return has_dirty; |
999342a0 CC |
2491 | } |
2492 | ||
2493 | double vnc_update_freq(VncState *vs, int x, int y, int w, int h) | |
2494 | { | |
2495 | int i, j; | |
2496 | double total = 0; | |
2497 | int num = 0; | |
2498 | ||
2499 | x = (x / VNC_STAT_RECT) * VNC_STAT_RECT; | |
2500 | y = (y / VNC_STAT_RECT) * VNC_STAT_RECT; | |
2501 | ||
2502 | for (j = y; j <= y + h; j += VNC_STAT_RECT) { | |
2503 | for (i = x; i <= x + w; i += VNC_STAT_RECT) { | |
2504 | total += vnc_stat_rect(vs->vd, i, j)->freq; | |
2505 | num++; | |
2506 | } | |
2507 | } | |
2508 | ||
2509 | if (num) { | |
2510 | return total / num; | |
2511 | } else { | |
2512 | return 0; | |
2513 | } | |
2514 | } | |
2515 | ||
2516 | static void vnc_rect_updated(VncDisplay *vd, int x, int y, struct timeval * tv) | |
2517 | { | |
2518 | VncRectStat *rect; | |
2519 | ||
2520 | rect = vnc_stat_rect(vd, x, y); | |
2521 | if (rect->updated) { | |
2522 | return ; | |
2523 | } | |
2524 | rect->times[rect->idx] = *tv; | |
2525 | rect->idx = (rect->idx + 1) % ARRAY_SIZE(rect->times); | |
2526 | rect->updated = true; | |
2527 | } | |
2528 | ||
1fc62412 SS |
2529 | static int vnc_refresh_server_surface(VncDisplay *vd) |
2530 | { | |
2531 | int y; | |
2532 | uint8_t *guest_row; | |
2533 | uint8_t *server_row; | |
2534 | int cmp_bytes; | |
41b4bef6 | 2535 | VncState *vs; |
1fc62412 SS |
2536 | int has_dirty = 0; |
2537 | ||
80e0c8c3 | 2538 | struct timeval tv = { 0, 0 }; |
999342a0 | 2539 | |
80e0c8c3 CC |
2540 | if (!vd->non_adaptive) { |
2541 | gettimeofday(&tv, NULL); | |
2542 | has_dirty = vnc_update_stats(vd, &tv); | |
2543 | } | |
999342a0 | 2544 | |
1fc62412 SS |
2545 | /* |
2546 | * Walk through the guest dirty map. | |
2547 | * Check and copy modified bits from guest to server surface. | |
2548 | * Update server dirty map. | |
2549 | */ | |
1fc62412 SS |
2550 | cmp_bytes = 16 * ds_get_bytes_per_pixel(vd->ds); |
2551 | guest_row = vd->guest.ds->data; | |
2552 | server_row = vd->server->data; | |
2553 | for (y = 0; y < vd->guest.ds->height; y++) { | |
23bfe28f | 2554 | if (!bitmap_empty(vd->guest.dirty[y], VNC_DIRTY_BITS)) { |
1fc62412 SS |
2555 | int x; |
2556 | uint8_t *guest_ptr; | |
2557 | uint8_t *server_ptr; | |
2558 | ||
2559 | guest_ptr = guest_row; | |
2560 | server_ptr = server_row; | |
2561 | ||
ce3e1417 | 2562 | for (x = 0; x + 15 < vd->guest.ds->width; |
1fc62412 | 2563 | x += 16, guest_ptr += cmp_bytes, server_ptr += cmp_bytes) { |
bc2429b9 | 2564 | if (!test_and_clear_bit((x / 16), vd->guest.dirty[y])) |
1fc62412 | 2565 | continue; |
1fc62412 SS |
2566 | if (memcmp(server_ptr, guest_ptr, cmp_bytes) == 0) |
2567 | continue; | |
2568 | memcpy(server_ptr, guest_ptr, cmp_bytes); | |
80e0c8c3 CC |
2569 | if (!vd->non_adaptive) |
2570 | vnc_rect_updated(vd, x, y, &tv); | |
41b4bef6 | 2571 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
bc2429b9 | 2572 | set_bit((x / 16), vs->dirty[y]); |
1fc62412 SS |
2573 | } |
2574 | has_dirty++; | |
2575 | } | |
2576 | } | |
2577 | guest_row += ds_get_linesize(vd->ds); | |
2578 | server_row += ds_get_linesize(vd->ds); | |
2579 | } | |
2580 | return has_dirty; | |
2581 | } | |
2582 | ||
703bc68f SS |
2583 | static void vnc_refresh(void *opaque) |
2584 | { | |
2585 | VncDisplay *vd = opaque; | |
41b4bef6 AS |
2586 | VncState *vs, *vn; |
2587 | int has_dirty, rects = 0; | |
703bc68f SS |
2588 | |
2589 | vga_hw_update(); | |
2590 | ||
bd023f95 CC |
2591 | if (vnc_trylock_display(vd)) { |
2592 | vd->timer_interval = VNC_REFRESH_INTERVAL_BASE; | |
7bd427d8 | 2593 | qemu_mod_timer(vd->timer, qemu_get_clock_ms(rt_clock) + |
bd023f95 CC |
2594 | vd->timer_interval); |
2595 | return; | |
2596 | } | |
2597 | ||
1fc62412 | 2598 | has_dirty = vnc_refresh_server_surface(vd); |
bd023f95 | 2599 | vnc_unlock_display(vd); |
1fc62412 | 2600 | |
41b4bef6 | 2601 | QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) { |
2430ffe4 | 2602 | rects += vnc_update_client(vs, has_dirty); |
6185c578 | 2603 | /* vs might be free()ed here */ |
703bc68f | 2604 | } |
bd023f95 | 2605 | |
83755c17 SS |
2606 | /* vd->timer could be NULL now if the last client disconnected, |
2607 | * in this case don't update the timer */ | |
2608 | if (vd->timer == NULL) | |
2609 | return; | |
703bc68f | 2610 | |
2430ffe4 SS |
2611 | if (has_dirty && rects) { |
2612 | vd->timer_interval /= 2; | |
2613 | if (vd->timer_interval < VNC_REFRESH_INTERVAL_BASE) | |
2614 | vd->timer_interval = VNC_REFRESH_INTERVAL_BASE; | |
2615 | } else { | |
2616 | vd->timer_interval += VNC_REFRESH_INTERVAL_INC; | |
2617 | if (vd->timer_interval > VNC_REFRESH_INTERVAL_MAX) | |
2618 | vd->timer_interval = VNC_REFRESH_INTERVAL_MAX; | |
2619 | } | |
7bd427d8 | 2620 | qemu_mod_timer(vd->timer, qemu_get_clock_ms(rt_clock) + vd->timer_interval); |
703bc68f SS |
2621 | } |
2622 | ||
2623 | static void vnc_init_timer(VncDisplay *vd) | |
2624 | { | |
2430ffe4 | 2625 | vd->timer_interval = VNC_REFRESH_INTERVAL_BASE; |
41b4bef6 | 2626 | if (vd->timer == NULL && !QTAILQ_EMPTY(&vd->clients)) { |
7bd427d8 | 2627 | vd->timer = qemu_new_timer_ms(rt_clock, vnc_refresh, vd); |
5db8378a | 2628 | vnc_dpy_resize(vd->ds); |
1fc62412 | 2629 | vnc_refresh(vd); |
703bc68f SS |
2630 | } |
2631 | } | |
2632 | ||
2633 | static void vnc_remove_timer(VncDisplay *vd) | |
2634 | { | |
41b4bef6 | 2635 | if (vd->timer != NULL && QTAILQ_EMPTY(&vd->clients)) { |
703bc68f SS |
2636 | qemu_del_timer(vd->timer); |
2637 | qemu_free_timer(vd->timer); | |
2638 | vd->timer = NULL; | |
2639 | } | |
2640 | } | |
2641 | ||
7e7e2ebc | 2642 | static void vnc_connect(VncDisplay *vd, int csock, int skipauth) |
3aa3eea3 | 2643 | { |
7267c094 | 2644 | VncState *vs = g_malloc0(sizeof(VncState)); |
7d964c9d CC |
2645 | int i; |
2646 | ||
753b4053 | 2647 | vs->csock = csock; |
7e7e2ebc DB |
2648 | |
2649 | if (skipauth) { | |
2650 | vs->auth = VNC_AUTH_NONE; | |
2651 | #ifdef CONFIG_VNC_TLS | |
2652 | vs->subauth = VNC_AUTH_INVALID; | |
2653 | #endif | |
2654 | } else { | |
2655 | vs->auth = vd->auth; | |
2656 | #ifdef CONFIG_VNC_TLS | |
2657 | vs->subauth = vd->subauth; | |
2658 | #endif | |
2659 | } | |
2660 | ||
7267c094 | 2661 | vs->lossy_rect = g_malloc0(VNC_STAT_ROWS * sizeof (*vs->lossy_rect)); |
7d964c9d | 2662 | for (i = 0; i < VNC_STAT_ROWS; ++i) { |
7267c094 | 2663 | vs->lossy_rect[i] = g_malloc0(VNC_STAT_COLS * sizeof (uint8_t)); |
7d964c9d | 2664 | } |
753b4053 AL |
2665 | |
2666 | VNC_DEBUG("New client on socket %d\n", csock); | |
7d957bd8 | 2667 | dcl->idle = 0; |
3aa3eea3 AZ |
2668 | socket_set_nonblock(vs->csock); |
2669 | qemu_set_fd_handler2(vs->csock, NULL, vnc_client_read, NULL, vs); | |
753b4053 | 2670 | |
4a80dba3 | 2671 | vnc_client_cache_addr(vs); |
586153d9 | 2672 | vnc_qmp_event(vs, QEVENT_VNC_CONNECTED); |
8cf36489 | 2673 | vnc_set_share_mode(vs, VNC_SHARE_MODE_CONNECTING); |
4a80dba3 | 2674 | |
753b4053 AL |
2675 | vs->vd = vd; |
2676 | vs->ds = vd->ds; | |
753b4053 AL |
2677 | vs->last_x = -1; |
2678 | vs->last_y = -1; | |
2679 | ||
2680 | vs->as.freq = 44100; | |
2681 | vs->as.nchannels = 2; | |
2682 | vs->as.fmt = AUD_FMT_S16; | |
2683 | vs->as.endianness = 0; | |
2684 | ||
bd023f95 CC |
2685 | #ifdef CONFIG_VNC_THREAD |
2686 | qemu_mutex_init(&vs->output_mutex); | |
2687 | #endif | |
2688 | ||
41b4bef6 | 2689 | QTAILQ_INSERT_HEAD(&vd->clients, vs, next); |
1fc62412 SS |
2690 | |
2691 | vga_hw_update(); | |
2692 | ||
3aa3eea3 AZ |
2693 | vnc_write(vs, "RFB 003.008\n", 12); |
2694 | vnc_flush(vs); | |
2695 | vnc_read_when(vs, protocol_version, 12); | |
53762ddb | 2696 | reset_keys(vs); |
3a0558b5 GH |
2697 | if (vs->vd->lock_key_sync) |
2698 | vs->led = qemu_add_led_event_handler(kbd_leds, vs); | |
753b4053 | 2699 | |
37c34d9d AL |
2700 | vs->mouse_mode_notifier.notify = check_pointer_type_change; |
2701 | qemu_add_mouse_mode_change_notifier(&vs->mouse_mode_notifier); | |
2702 | ||
703bc68f | 2703 | vnc_init_timer(vd); |
1fc62412 | 2704 | |
198a0039 | 2705 | /* vs might be free()ed here */ |
3aa3eea3 AZ |
2706 | } |
2707 | ||
24236869 FB |
2708 | static void vnc_listen_read(void *opaque) |
2709 | { | |
753b4053 | 2710 | VncDisplay *vs = opaque; |
24236869 FB |
2711 | struct sockaddr_in addr; |
2712 | socklen_t addrlen = sizeof(addr); | |
2713 | ||
9f60ad50 AZ |
2714 | /* Catch-up */ |
2715 | vga_hw_update(); | |
2716 | ||
40ff6d7e | 2717 | int csock = qemu_accept(vs->lsock, (struct sockaddr *)&addr, &addrlen); |
753b4053 | 2718 | if (csock != -1) { |
7e7e2ebc | 2719 | vnc_connect(vs, csock, 0); |
24236869 FB |
2720 | } |
2721 | } | |
2722 | ||
71cab5ca | 2723 | void vnc_display_init(DisplayState *ds) |
24236869 | 2724 | { |
7267c094 | 2725 | VncDisplay *vs = g_malloc0(sizeof(*vs)); |
24236869 | 2726 | |
7267c094 | 2727 | dcl = g_malloc0(sizeof(DisplayChangeListener)); |
24236869 FB |
2728 | |
2729 | ds->opaque = vs; | |
7d957bd8 | 2730 | dcl->idle = 1; |
753b4053 | 2731 | vnc_display = vs; |
24236869 FB |
2732 | |
2733 | vs->lsock = -1; | |
24236869 FB |
2734 | |
2735 | vs->ds = ds; | |
41b4bef6 | 2736 | QTAILQ_INIT(&vs->clients); |
3c9405a0 | 2737 | vs->expires = TIME_MAX; |
24236869 | 2738 | |
9ca313aa | 2739 | if (keyboard_layout) |
0483755a | 2740 | vs->kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout); |
9ca313aa | 2741 | else |
0483755a | 2742 | vs->kbd_layout = init_keyboard_layout(name2keysym, "en-us"); |
24236869 | 2743 | |
24236869 | 2744 | if (!vs->kbd_layout) |
28a76be8 | 2745 | exit(1); |
24236869 | 2746 | |
bd023f95 CC |
2747 | #ifdef CONFIG_VNC_THREAD |
2748 | qemu_mutex_init(&vs->mutex); | |
2749 | vnc_start_worker_thread(); | |
2750 | #endif | |
2751 | ||
753b4053 | 2752 | dcl->dpy_copy = vnc_dpy_copy; |
7d957bd8 AL |
2753 | dcl->dpy_update = vnc_dpy_update; |
2754 | dcl->dpy_resize = vnc_dpy_resize; | |
2755 | dcl->dpy_setdata = vnc_dpy_setdata; | |
7d957bd8 | 2756 | register_displaychangelistener(ds, dcl); |
d467b679 GH |
2757 | ds->mouse_set = vnc_mouse_set; |
2758 | ds->cursor_define = vnc_dpy_cursor_define; | |
71cab5ca TS |
2759 | } |
2760 | ||
6f43024c | 2761 | |
71cab5ca TS |
2762 | void vnc_display_close(DisplayState *ds) |
2763 | { | |
753b4053 | 2764 | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; |
71cab5ca | 2765 | |
452b4d88 AL |
2766 | if (!vs) |
2767 | return; | |
71cab5ca | 2768 | if (vs->display) { |
7267c094 | 2769 | g_free(vs->display); |
28a76be8 | 2770 | vs->display = NULL; |
71cab5ca TS |
2771 | } |
2772 | if (vs->lsock != -1) { | |
28a76be8 AL |
2773 | qemu_set_fd_handler2(vs->lsock, NULL, NULL, NULL, NULL); |
2774 | close(vs->lsock); | |
2775 | vs->lsock = -1; | |
71cab5ca | 2776 | } |
70848515 | 2777 | vs->auth = VNC_AUTH_INVALID; |
eb38c52c | 2778 | #ifdef CONFIG_VNC_TLS |
8d5d2d4c | 2779 | vs->subauth = VNC_AUTH_INVALID; |
5fb6c7a8 | 2780 | vs->tls.x509verify = 0; |
8d5d2d4c | 2781 | #endif |
70848515 TS |
2782 | } |
2783 | ||
1cd20f8b AL |
2784 | int vnc_display_disable_login(DisplayState *ds) |
2785 | { | |
2786 | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; | |
2787 | ||
2788 | if (!vs) { | |
2789 | return -1; | |
2790 | } | |
2791 | ||
2792 | if (vs->password) { | |
7267c094 | 2793 | g_free(vs->password); |
1cd20f8b AL |
2794 | } |
2795 | ||
2796 | vs->password = NULL; | |
7dfbfc79 DB |
2797 | if (vs->auth == VNC_AUTH_NONE) { |
2798 | vs->auth = VNC_AUTH_VNC; | |
2799 | } | |
1cd20f8b AL |
2800 | |
2801 | return 0; | |
2802 | } | |
2803 | ||
70848515 TS |
2804 | int vnc_display_password(DisplayState *ds, const char *password) |
2805 | { | |
753b4053 | 2806 | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; |
70848515 | 2807 | |
7ef92331 | 2808 | if (!vs) { |
a6aa9d3e | 2809 | return -EINVAL; |
7ef92331 ZA |
2810 | } |
2811 | ||
1cd20f8b AL |
2812 | if (!password) { |
2813 | /* This is not the intention of this interface but err on the side | |
2814 | of being safe */ | |
a6aa9d3e | 2815 | return vnc_display_disable_login(ds); |
1cd20f8b AL |
2816 | } |
2817 | ||
70848515 | 2818 | if (vs->password) { |
7267c094 | 2819 | g_free(vs->password); |
28a76be8 | 2820 | vs->password = NULL; |
70848515 | 2821 | } |
7267c094 | 2822 | vs->password = g_strdup(password); |
7dfbfc79 DB |
2823 | if (vs->auth == VNC_AUTH_NONE) { |
2824 | vs->auth = VNC_AUTH_VNC; | |
2825 | } | |
a6aa9d3e LC |
2826 | |
2827 | return 0; | |
71cab5ca TS |
2828 | } |
2829 | ||
3c9405a0 GH |
2830 | int vnc_display_pw_expire(DisplayState *ds, time_t expires) |
2831 | { | |
2832 | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; | |
2833 | ||
2834 | vs->expires = expires; | |
2835 | return 0; | |
2836 | } | |
2837 | ||
f92f8afe AL |
2838 | char *vnc_display_local_addr(DisplayState *ds) |
2839 | { | |
2840 | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; | |
2841 | ||
2842 | return vnc_socket_local_addr("%s:%s", vs->lsock); | |
2843 | } | |
2844 | ||
70848515 | 2845 | int vnc_display_open(DisplayState *ds, const char *display) |
71cab5ca | 2846 | { |
753b4053 | 2847 | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; |
70848515 TS |
2848 | const char *options; |
2849 | int password = 0; | |
3aa3eea3 | 2850 | int reverse = 0; |
eb38c52c | 2851 | #ifdef CONFIG_VNC_TLS |
3a702699 | 2852 | int tls = 0, x509 = 0; |
8d5d2d4c | 2853 | #endif |
2f9606b3 AL |
2854 | #ifdef CONFIG_VNC_SASL |
2855 | int sasl = 0; | |
2856 | int saslErr; | |
2857 | #endif | |
2ded6ad7 | 2858 | #if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) |
76655d6d | 2859 | int acl = 0; |
2ded6ad7 | 2860 | #endif |
3a0558b5 | 2861 | int lock_key_sync = 1; |
71cab5ca | 2862 | |
753b4053 | 2863 | if (!vnc_display) |
452b4d88 | 2864 | return -1; |
71cab5ca | 2865 | vnc_display_close(ds); |
70848515 | 2866 | if (strcmp(display, "none") == 0) |
28a76be8 | 2867 | return 0; |
24236869 | 2868 | |
70848515 | 2869 | if (!(vs->display = strdup(display))) |
28a76be8 | 2870 | return -1; |
8cf36489 | 2871 | vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE; |
70848515 TS |
2872 | |
2873 | options = display; | |
2874 | while ((options = strchr(options, ','))) { | |
28a76be8 AL |
2875 | options++; |
2876 | if (strncmp(options, "password", 8) == 0) { | |
2877 | password = 1; /* Require password auth */ | |
2878 | } else if (strncmp(options, "reverse", 7) == 0) { | |
2879 | reverse = 1; | |
cee8e6ad | 2880 | } else if (strncmp(options, "no-lock-key-sync", 16) == 0) { |
3a0558b5 | 2881 | lock_key_sync = 0; |
2f9606b3 | 2882 | #ifdef CONFIG_VNC_SASL |
28a76be8 AL |
2883 | } else if (strncmp(options, "sasl", 4) == 0) { |
2884 | sasl = 1; /* Require SASL auth */ | |
2f9606b3 | 2885 | #endif |
eb38c52c | 2886 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
2887 | } else if (strncmp(options, "tls", 3) == 0) { |
2888 | tls = 1; /* Require TLS */ | |
2889 | } else if (strncmp(options, "x509", 4) == 0) { | |
2890 | char *start, *end; | |
2891 | x509 = 1; /* Require x509 certificates */ | |
2892 | if (strncmp(options, "x509verify", 10) == 0) | |
2893 | vs->tls.x509verify = 1; /* ...and verify client certs */ | |
2894 | ||
2895 | /* Now check for 'x509=/some/path' postfix | |
2896 | * and use that to setup x509 certificate/key paths */ | |
2897 | start = strchr(options, '='); | |
2898 | end = strchr(options, ','); | |
2899 | if (start && (!end || (start < end))) { | |
2900 | int len = end ? end-(start+1) : strlen(start+1); | |
7267c094 | 2901 | char *path = g_strndup(start + 1, len); |
28a76be8 AL |
2902 | |
2903 | VNC_DEBUG("Trying certificate path '%s'\n", path); | |
2904 | if (vnc_tls_set_x509_creds_dir(vs, path) < 0) { | |
2905 | fprintf(stderr, "Failed to find x509 certificates/keys in %s\n", path); | |
7267c094 AL |
2906 | g_free(path); |
2907 | g_free(vs->display); | |
28a76be8 AL |
2908 | vs->display = NULL; |
2909 | return -1; | |
2910 | } | |
7267c094 | 2911 | g_free(path); |
28a76be8 AL |
2912 | } else { |
2913 | fprintf(stderr, "No certificate path provided\n"); | |
7267c094 | 2914 | g_free(vs->display); |
28a76be8 AL |
2915 | vs->display = NULL; |
2916 | return -1; | |
2917 | } | |
8d5d2d4c | 2918 | #endif |
2ded6ad7 | 2919 | #if defined(CONFIG_VNC_TLS) || defined(CONFIG_VNC_SASL) |
28a76be8 AL |
2920 | } else if (strncmp(options, "acl", 3) == 0) { |
2921 | acl = 1; | |
2ded6ad7 | 2922 | #endif |
6f9c78c1 CC |
2923 | } else if (strncmp(options, "lossy", 5) == 0) { |
2924 | vs->lossy = true; | |
80e0c8c3 CC |
2925 | } else if (strncmp(options, "non-adapative", 13) == 0) { |
2926 | vs->non_adaptive = true; | |
8cf36489 GH |
2927 | } else if (strncmp(options, "share=", 6) == 0) { |
2928 | if (strncmp(options+6, "ignore", 6) == 0) { | |
2929 | vs->share_policy = VNC_SHARE_POLICY_IGNORE; | |
2930 | } else if (strncmp(options+6, "allow-exclusive", 15) == 0) { | |
2931 | vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE; | |
2932 | } else if (strncmp(options+6, "force-shared", 12) == 0) { | |
2933 | vs->share_policy = VNC_SHARE_POLICY_FORCE_SHARED; | |
2934 | } else { | |
2935 | fprintf(stderr, "unknown vnc share= option\n"); | |
2936 | g_free(vs->display); | |
2937 | vs->display = NULL; | |
2938 | return -1; | |
2939 | } | |
28a76be8 | 2940 | } |
70848515 TS |
2941 | } |
2942 | ||
76655d6d AL |
2943 | #ifdef CONFIG_VNC_TLS |
2944 | if (acl && x509 && vs->tls.x509verify) { | |
28a76be8 AL |
2945 | if (!(vs->tls.acl = qemu_acl_init("vnc.x509dname"))) { |
2946 | fprintf(stderr, "Failed to create x509 dname ACL\n"); | |
2947 | exit(1); | |
2948 | } | |
76655d6d AL |
2949 | } |
2950 | #endif | |
2951 | #ifdef CONFIG_VNC_SASL | |
2952 | if (acl && sasl) { | |
28a76be8 AL |
2953 | if (!(vs->sasl.acl = qemu_acl_init("vnc.username"))) { |
2954 | fprintf(stderr, "Failed to create username ACL\n"); | |
2955 | exit(1); | |
2956 | } | |
76655d6d AL |
2957 | } |
2958 | #endif | |
2959 | ||
2f9606b3 AL |
2960 | /* |
2961 | * Combinations we support here: | |
2962 | * | |
2963 | * - no-auth (clear text, no auth) | |
2964 | * - password (clear text, weak auth) | |
2965 | * - sasl (encrypt, good auth *IF* using Kerberos via GSSAPI) | |
2966 | * - tls (encrypt, weak anonymous creds, no auth) | |
2967 | * - tls + password (encrypt, weak anonymous creds, weak auth) | |
2968 | * - tls + sasl (encrypt, weak anonymous creds, good auth) | |
2969 | * - tls + x509 (encrypt, good x509 creds, no auth) | |
2970 | * - tls + x509 + password (encrypt, good x509 creds, weak auth) | |
2971 | * - tls + x509 + sasl (encrypt, good x509 creds, good auth) | |
2972 | * | |
2973 | * NB1. TLS is a stackable auth scheme. | |
2974 | * NB2. the x509 schemes have option to validate a client cert dname | |
2975 | */ | |
70848515 | 2976 | if (password) { |
eb38c52c | 2977 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
2978 | if (tls) { |
2979 | vs->auth = VNC_AUTH_VENCRYPT; | |
2980 | if (x509) { | |
2981 | VNC_DEBUG("Initializing VNC server with x509 password auth\n"); | |
2982 | vs->subauth = VNC_AUTH_VENCRYPT_X509VNC; | |
2983 | } else { | |
2984 | VNC_DEBUG("Initializing VNC server with TLS password auth\n"); | |
2985 | vs->subauth = VNC_AUTH_VENCRYPT_TLSVNC; | |
2986 | } | |
2987 | } else { | |
2f9606b3 | 2988 | #endif /* CONFIG_VNC_TLS */ |
28a76be8 AL |
2989 | VNC_DEBUG("Initializing VNC server with password auth\n"); |
2990 | vs->auth = VNC_AUTH_VNC; | |
eb38c52c | 2991 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
2992 | vs->subauth = VNC_AUTH_INVALID; |
2993 | } | |
2f9606b3 AL |
2994 | #endif /* CONFIG_VNC_TLS */ |
2995 | #ifdef CONFIG_VNC_SASL | |
2996 | } else if (sasl) { | |
2997 | #ifdef CONFIG_VNC_TLS | |
2998 | if (tls) { | |
2999 | vs->auth = VNC_AUTH_VENCRYPT; | |
3000 | if (x509) { | |
28a76be8 | 3001 | VNC_DEBUG("Initializing VNC server with x509 SASL auth\n"); |
2f9606b3 AL |
3002 | vs->subauth = VNC_AUTH_VENCRYPT_X509SASL; |
3003 | } else { | |
28a76be8 | 3004 | VNC_DEBUG("Initializing VNC server with TLS SASL auth\n"); |
2f9606b3 AL |
3005 | vs->subauth = VNC_AUTH_VENCRYPT_TLSSASL; |
3006 | } | |
3007 | } else { | |
3008 | #endif /* CONFIG_VNC_TLS */ | |
28a76be8 | 3009 | VNC_DEBUG("Initializing VNC server with SASL auth\n"); |
2f9606b3 AL |
3010 | vs->auth = VNC_AUTH_SASL; |
3011 | #ifdef CONFIG_VNC_TLS | |
3012 | vs->subauth = VNC_AUTH_INVALID; | |
3013 | } | |
3014 | #endif /* CONFIG_VNC_TLS */ | |
3015 | #endif /* CONFIG_VNC_SASL */ | |
70848515 | 3016 | } else { |
eb38c52c | 3017 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
3018 | if (tls) { |
3019 | vs->auth = VNC_AUTH_VENCRYPT; | |
3020 | if (x509) { | |
3021 | VNC_DEBUG("Initializing VNC server with x509 no auth\n"); | |
3022 | vs->subauth = VNC_AUTH_VENCRYPT_X509NONE; | |
3023 | } else { | |
3024 | VNC_DEBUG("Initializing VNC server with TLS no auth\n"); | |
3025 | vs->subauth = VNC_AUTH_VENCRYPT_TLSNONE; | |
3026 | } | |
3027 | } else { | |
8d5d2d4c | 3028 | #endif |
28a76be8 AL |
3029 | VNC_DEBUG("Initializing VNC server with no auth\n"); |
3030 | vs->auth = VNC_AUTH_NONE; | |
eb38c52c | 3031 | #ifdef CONFIG_VNC_TLS |
28a76be8 AL |
3032 | vs->subauth = VNC_AUTH_INVALID; |
3033 | } | |
8d5d2d4c | 3034 | #endif |
70848515 | 3035 | } |
24236869 | 3036 | |
2f9606b3 AL |
3037 | #ifdef CONFIG_VNC_SASL |
3038 | if ((saslErr = sasl_server_init(NULL, "qemu")) != SASL_OK) { | |
3039 | fprintf(stderr, "Failed to initialize SASL auth %s", | |
3040 | sasl_errstring(saslErr, NULL, NULL)); | |
ae878b17 | 3041 | g_free(vs->display); |
2f9606b3 AL |
3042 | vs->display = NULL; |
3043 | return -1; | |
3044 | } | |
3045 | #endif | |
3a0558b5 | 3046 | vs->lock_key_sync = lock_key_sync; |
2f9606b3 | 3047 | |
3aa3eea3 | 3048 | if (reverse) { |
9712ecaf AL |
3049 | /* connect to viewer */ |
3050 | if (strncmp(display, "unix:", 5) == 0) | |
3051 | vs->lsock = unix_connect(display+5); | |
3052 | else | |
3053 | vs->lsock = inet_connect(display, SOCK_STREAM); | |
3054 | if (-1 == vs->lsock) { | |
ae878b17 | 3055 | g_free(vs->display); |
3aa3eea3 AZ |
3056 | vs->display = NULL; |
3057 | return -1; | |
3058 | } else { | |
753b4053 | 3059 | int csock = vs->lsock; |
3aa3eea3 | 3060 | vs->lsock = -1; |
7e7e2ebc | 3061 | vnc_connect(vs, csock, 0); |
3aa3eea3 | 3062 | } |
9712ecaf | 3063 | return 0; |
24236869 | 3064 | |
9712ecaf AL |
3065 | } else { |
3066 | /* listen for connects */ | |
3067 | char *dpy; | |
7267c094 | 3068 | dpy = g_malloc(256); |
9712ecaf | 3069 | if (strncmp(display, "unix:", 5) == 0) { |
bc575e95 | 3070 | pstrcpy(dpy, 256, "unix:"); |
4a55bfdf | 3071 | vs->lsock = unix_listen(display+5, dpy+5, 256-5); |
9712ecaf AL |
3072 | } else { |
3073 | vs->lsock = inet_listen(display, dpy, 256, SOCK_STREAM, 5900); | |
3074 | } | |
3075 | if (-1 == vs->lsock) { | |
ae878b17 | 3076 | g_free(dpy); |
d0513623 | 3077 | return -1; |
9712ecaf | 3078 | } else { |
ae878b17 | 3079 | g_free(vs->display); |
9712ecaf AL |
3080 | vs->display = dpy; |
3081 | } | |
24236869 | 3082 | } |
753b4053 | 3083 | return qemu_set_fd_handler2(vs->lsock, NULL, vnc_listen_read, NULL, vs); |
24236869 | 3084 | } |
13661089 DB |
3085 | |
3086 | void vnc_display_add_client(DisplayState *ds, int csock, int skipauth) | |
3087 | { | |
3088 | VncDisplay *vs = ds ? (VncDisplay *)ds->opaque : vnc_display; | |
3089 | ||
3090 | return vnc_connect(vs, csock, skipauth); | |
3091 | } |