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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" |
40066175 | 29 | #include "trace.h" |
1d0d59fe | 30 | #include "hw/qdev.h" |
9c17d615 | 31 | #include "sysemu/sysemu.h" |
d49b6836 | 32 | #include "qemu/error-report.h" |
1de7afc9 PB |
33 | #include "qemu/sockets.h" |
34 | #include "qemu/timer.h" | |
35 | #include "qemu/acl.h" | |
4db14629 | 36 | #include "qemu/config-file.h" |
cc7a8ea7 | 37 | #include "qapi/qmp/qerror.h" |
7b1b5d19 | 38 | #include "qapi/qmp/types.h" |
2b54aa87 | 39 | #include "qmp-commands.h" |
1de7afc9 | 40 | #include "qemu/osdep.h" |
8d447d10 | 41 | #include "ui/input.h" |
fb6ba0d5 | 42 | #include "qapi-event.h" |
8e9b0d24 | 43 | #include "crypto/hash.h" |
3e305e4a DB |
44 | #include "crypto/tlscredsanon.h" |
45 | #include "crypto/tlscredsx509.h" | |
46 | #include "qom/object_interfaces.h" | |
24236869 | 47 | |
0f7b2864 | 48 | #define VNC_REFRESH_INTERVAL_BASE GUI_REFRESH_INTERVAL_DEFAULT |
2430ffe4 | 49 | #define VNC_REFRESH_INTERVAL_INC 50 |
0f7b2864 | 50 | #define VNC_REFRESH_INTERVAL_MAX GUI_REFRESH_INTERVAL_IDLE |
999342a0 CC |
51 | static const struct timeval VNC_REFRESH_STATS = { 0, 500000 }; |
52 | static const struct timeval VNC_REFRESH_LOSSY = { 2, 0 }; | |
24236869 FB |
53 | |
54 | #include "vnc_keysym.h" | |
800567a6 | 55 | #include "crypto/cipher.h" |
70848515 | 56 | |
d616ccc5 GH |
57 | static QTAILQ_HEAD(, VncDisplay) vnc_displays = |
58 | QTAILQ_HEAD_INITIALIZER(vnc_displays); | |
a9ce8590 | 59 | |
d467b679 | 60 | static int vnc_cursor_define(VncState *vs); |
7bc9318b | 61 | static void vnc_release_modifiers(VncState *vs); |
d467b679 | 62 | |
8cf36489 GH |
63 | static void vnc_set_share_mode(VncState *vs, VncShareMode mode) |
64 | { | |
65 | #ifdef _VNC_DEBUG | |
66 | static const char *mn[] = { | |
67 | [0] = "undefined", | |
68 | [VNC_SHARE_MODE_CONNECTING] = "connecting", | |
69 | [VNC_SHARE_MODE_SHARED] = "shared", | |
70 | [VNC_SHARE_MODE_EXCLUSIVE] = "exclusive", | |
71 | [VNC_SHARE_MODE_DISCONNECTED] = "disconnected", | |
72 | }; | |
73 | fprintf(stderr, "%s/%d: %s -> %s\n", __func__, | |
74 | vs->csock, mn[vs->share_mode], mn[mode]); | |
75 | #endif | |
76 | ||
e5f34cdd GH |
77 | switch (vs->share_mode) { |
78 | case VNC_SHARE_MODE_CONNECTING: | |
79 | vs->vd->num_connecting--; | |
80 | break; | |
81 | case VNC_SHARE_MODE_SHARED: | |
82 | vs->vd->num_shared--; | |
83 | break; | |
84 | case VNC_SHARE_MODE_EXCLUSIVE: | |
8cf36489 | 85 | vs->vd->num_exclusive--; |
e5f34cdd GH |
86 | break; |
87 | default: | |
88 | break; | |
8cf36489 | 89 | } |
e5f34cdd | 90 | |
8cf36489 | 91 | vs->share_mode = mode; |
e5f34cdd GH |
92 | |
93 | switch (vs->share_mode) { | |
94 | case VNC_SHARE_MODE_CONNECTING: | |
95 | vs->vd->num_connecting++; | |
96 | break; | |
97 | case VNC_SHARE_MODE_SHARED: | |
98 | vs->vd->num_shared++; | |
99 | break; | |
100 | case VNC_SHARE_MODE_EXCLUSIVE: | |
8cf36489 | 101 | vs->vd->num_exclusive++; |
e5f34cdd GH |
102 | break; |
103 | default: | |
104 | break; | |
8cf36489 GH |
105 | } |
106 | } | |
107 | ||
1ff7df1a AL |
108 | static char *addr_to_string(const char *format, |
109 | struct sockaddr_storage *sa, | |
110 | socklen_t salen) { | |
111 | char *addr; | |
112 | char host[NI_MAXHOST]; | |
113 | char serv[NI_MAXSERV]; | |
114 | int err; | |
457772e6 | 115 | size_t addrlen; |
1ff7df1a AL |
116 | |
117 | if ((err = getnameinfo((struct sockaddr *)sa, salen, | |
118 | host, sizeof(host), | |
119 | serv, sizeof(serv), | |
120 | NI_NUMERICHOST | NI_NUMERICSERV)) != 0) { | |
121 | VNC_DEBUG("Cannot resolve address %d: %s\n", | |
122 | err, gai_strerror(err)); | |
123 | return NULL; | |
124 | } | |
125 | ||
457772e6 | 126 | /* Enough for the existing format + the 2 vars we're |
f425c278 | 127 | * substituting in. */ |
457772e6 | 128 | addrlen = strlen(format) + strlen(host) + strlen(serv); |
7267c094 | 129 | addr = g_malloc(addrlen + 1); |
457772e6 AL |
130 | snprintf(addr, addrlen, format, host, serv); |
131 | addr[addrlen] = '\0'; | |
1ff7df1a AL |
132 | |
133 | return addr; | |
134 | } | |
135 | ||
2f9606b3 AL |
136 | |
137 | char *vnc_socket_local_addr(const char *format, int fd) { | |
1ff7df1a AL |
138 | struct sockaddr_storage sa; |
139 | socklen_t salen; | |
140 | ||
141 | salen = sizeof(sa); | |
142 | if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0) | |
143 | return NULL; | |
144 | ||
145 | return addr_to_string(format, &sa, salen); | |
146 | } | |
147 | ||
2f9606b3 | 148 | char *vnc_socket_remote_addr(const char *format, int fd) { |
1ff7df1a AL |
149 | struct sockaddr_storage sa; |
150 | socklen_t salen; | |
151 | ||
152 | salen = sizeof(sa); | |
153 | if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0) | |
154 | return NULL; | |
155 | ||
156 | return addr_to_string(format, &sa, salen); | |
157 | } | |
158 | ||
fb6ba0d5 WX |
159 | static VncBasicInfo *vnc_basic_info_get(struct sockaddr_storage *sa, |
160 | socklen_t salen) | |
d96fd29c | 161 | { |
fb6ba0d5 | 162 | VncBasicInfo *info; |
d96fd29c LC |
163 | char host[NI_MAXHOST]; |
164 | char serv[NI_MAXSERV]; | |
165 | int err; | |
166 | ||
167 | if ((err = getnameinfo((struct sockaddr *)sa, salen, | |
168 | host, sizeof(host), | |
169 | serv, sizeof(serv), | |
170 | NI_NUMERICHOST | NI_NUMERICSERV)) != 0) { | |
171 | VNC_DEBUG("Cannot resolve address %d: %s\n", | |
172 | err, gai_strerror(err)); | |
fb6ba0d5 | 173 | return NULL; |
d96fd29c LC |
174 | } |
175 | ||
fb6ba0d5 WX |
176 | info = g_malloc0(sizeof(VncBasicInfo)); |
177 | info->host = g_strdup(host); | |
178 | info->service = g_strdup(serv); | |
179 | info->family = inet_netfamily(sa->ss_family); | |
180 | return info; | |
d96fd29c LC |
181 | } |
182 | ||
fb6ba0d5 | 183 | static VncBasicInfo *vnc_basic_info_get_from_server_addr(int fd) |
d96fd29c LC |
184 | { |
185 | struct sockaddr_storage sa; | |
186 | socklen_t salen; | |
187 | ||
188 | salen = sizeof(sa); | |
189 | if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0) { | |
fb6ba0d5 | 190 | return NULL; |
d96fd29c LC |
191 | } |
192 | ||
fb6ba0d5 | 193 | return vnc_basic_info_get(&sa, salen); |
d96fd29c LC |
194 | } |
195 | ||
fb6ba0d5 | 196 | static VncBasicInfo *vnc_basic_info_get_from_remote_addr(int fd) |
d96fd29c LC |
197 | { |
198 | struct sockaddr_storage sa; | |
199 | socklen_t salen; | |
200 | ||
201 | salen = sizeof(sa); | |
202 | if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0) { | |
fb6ba0d5 | 203 | return NULL; |
d96fd29c LC |
204 | } |
205 | ||
fb6ba0d5 | 206 | return vnc_basic_info_get(&sa, salen); |
d96fd29c LC |
207 | } |
208 | ||
1ff7df1a AL |
209 | static const char *vnc_auth_name(VncDisplay *vd) { |
210 | switch (vd->auth) { | |
211 | case VNC_AUTH_INVALID: | |
212 | return "invalid"; | |
213 | case VNC_AUTH_NONE: | |
214 | return "none"; | |
215 | case VNC_AUTH_VNC: | |
216 | return "vnc"; | |
217 | case VNC_AUTH_RA2: | |
218 | return "ra2"; | |
219 | case VNC_AUTH_RA2NE: | |
220 | return "ra2ne"; | |
221 | case VNC_AUTH_TIGHT: | |
222 | return "tight"; | |
223 | case VNC_AUTH_ULTRA: | |
224 | return "ultra"; | |
225 | case VNC_AUTH_TLS: | |
226 | return "tls"; | |
227 | case VNC_AUTH_VENCRYPT: | |
1ff7df1a AL |
228 | switch (vd->subauth) { |
229 | case VNC_AUTH_VENCRYPT_PLAIN: | |
230 | return "vencrypt+plain"; | |
231 | case VNC_AUTH_VENCRYPT_TLSNONE: | |
232 | return "vencrypt+tls+none"; | |
233 | case VNC_AUTH_VENCRYPT_TLSVNC: | |
234 | return "vencrypt+tls+vnc"; | |
235 | case VNC_AUTH_VENCRYPT_TLSPLAIN: | |
236 | return "vencrypt+tls+plain"; | |
237 | case VNC_AUTH_VENCRYPT_X509NONE: | |
238 | return "vencrypt+x509+none"; | |
239 | case VNC_AUTH_VENCRYPT_X509VNC: | |
240 | return "vencrypt+x509+vnc"; | |
241 | case VNC_AUTH_VENCRYPT_X509PLAIN: | |
242 | return "vencrypt+x509+plain"; | |
28a76be8 AL |
243 | case VNC_AUTH_VENCRYPT_TLSSASL: |
244 | return "vencrypt+tls+sasl"; | |
245 | case VNC_AUTH_VENCRYPT_X509SASL: | |
246 | return "vencrypt+x509+sasl"; | |
1ff7df1a AL |
247 | default: |
248 | return "vencrypt"; | |
249 | } | |
2f9606b3 | 250 | case VNC_AUTH_SASL: |
28a76be8 | 251 | return "sasl"; |
1ff7df1a AL |
252 | } |
253 | return "unknown"; | |
254 | } | |
255 | ||
d616ccc5 | 256 | static VncServerInfo *vnc_server_info_get(VncDisplay *vd) |
a7789382 | 257 | { |
fb6ba0d5 | 258 | VncServerInfo *info; |
d616ccc5 | 259 | VncBasicInfo *bi = vnc_basic_info_get_from_server_addr(vd->lsock); |
fb6ba0d5 WX |
260 | if (!bi) { |
261 | return NULL; | |
a7789382 LC |
262 | } |
263 | ||
fb6ba0d5 WX |
264 | info = g_malloc(sizeof(*info)); |
265 | info->base = bi; | |
266 | info->has_auth = true; | |
d616ccc5 | 267 | info->auth = g_strdup(vnc_auth_name(vd)); |
fb6ba0d5 | 268 | return info; |
a7789382 LC |
269 | } |
270 | ||
4a80dba3 | 271 | static void vnc_client_cache_auth(VncState *client) |
1ff7df1a | 272 | { |
4a80dba3 LC |
273 | if (!client->info) { |
274 | return; | |
d96fd29c | 275 | } |
1263b7d6 | 276 | |
3e305e4a DB |
277 | if (client->tls) { |
278 | client->info->x509_dname = | |
279 | qcrypto_tls_session_get_peer_name(client->tls); | |
280 | client->info->has_x509_dname = | |
281 | client->info->x509_dname != NULL; | |
d96fd29c | 282 | } |
1263b7d6 AL |
283 | #ifdef CONFIG_VNC_SASL |
284 | if (client->sasl.conn && | |
d96fd29c | 285 | client->sasl.username) { |
fb6ba0d5 WX |
286 | client->info->has_sasl_username = true; |
287 | client->info->sasl_username = g_strdup(client->sasl.username); | |
d96fd29c | 288 | } |
1263b7d6 | 289 | #endif |
4a80dba3 | 290 | } |
d96fd29c | 291 | |
4a80dba3 LC |
292 | static void vnc_client_cache_addr(VncState *client) |
293 | { | |
fb6ba0d5 | 294 | VncBasicInfo *bi = vnc_basic_info_get_from_remote_addr(client->csock); |
4a80dba3 | 295 | |
fb6ba0d5 WX |
296 | if (bi) { |
297 | client->info = g_malloc0(sizeof(*client->info)); | |
298 | client->info->base = bi; | |
4a80dba3 | 299 | } |
1ff7df1a AL |
300 | } |
301 | ||
fb6ba0d5 | 302 | static void vnc_qmp_event(VncState *vs, QAPIEvent event) |
586153d9 | 303 | { |
fb6ba0d5 | 304 | VncServerInfo *si; |
586153d9 LC |
305 | |
306 | if (!vs->info) { | |
307 | return; | |
308 | } | |
fb6ba0d5 | 309 | g_assert(vs->info->base); |
586153d9 | 310 | |
d616ccc5 | 311 | si = vnc_server_info_get(vs->vd); |
fb6ba0d5 | 312 | if (!si) { |
586153d9 LC |
313 | return; |
314 | } | |
315 | ||
fb6ba0d5 WX |
316 | switch (event) { |
317 | case QAPI_EVENT_VNC_CONNECTED: | |
318 | qapi_event_send_vnc_connected(si, vs->info->base, &error_abort); | |
319 | break; | |
320 | case QAPI_EVENT_VNC_INITIALIZED: | |
321 | qapi_event_send_vnc_initialized(si, vs->info, &error_abort); | |
322 | break; | |
323 | case QAPI_EVENT_VNC_DISCONNECTED: | |
324 | qapi_event_send_vnc_disconnected(si, vs->info, &error_abort); | |
325 | break; | |
326 | default: | |
327 | break; | |
328 | } | |
586153d9 | 329 | |
fb6ba0d5 | 330 | qapi_free_VncServerInfo(si); |
586153d9 LC |
331 | } |
332 | ||
2b54aa87 | 333 | static VncClientInfo *qmp_query_vnc_client(const VncState *client) |
a9ce8590 | 334 | { |
2b54aa87 LC |
335 | struct sockaddr_storage sa; |
336 | socklen_t salen = sizeof(sa); | |
337 | char host[NI_MAXHOST]; | |
338 | char serv[NI_MAXSERV]; | |
339 | VncClientInfo *info; | |
340 | ||
341 | if (getpeername(client->csock, (struct sockaddr *)&sa, &salen) < 0) { | |
342 | return NULL; | |
343 | } | |
344 | ||
345 | if (getnameinfo((struct sockaddr *)&sa, salen, | |
346 | host, sizeof(host), | |
347 | serv, sizeof(serv), | |
348 | NI_NUMERICHOST | NI_NUMERICSERV) < 0) { | |
349 | return NULL; | |
350 | } | |
d96fd29c | 351 | |
2b54aa87 | 352 | info = g_malloc0(sizeof(*info)); |
a589569f WX |
353 | info->base = g_malloc0(sizeof(*info->base)); |
354 | info->base->host = g_strdup(host); | |
355 | info->base->service = g_strdup(serv); | |
356 | info->base->family = inet_netfamily(sa.ss_family); | |
4478aa76 | 357 | info->base->websocket = client->websocket; |
d96fd29c | 358 | |
3e305e4a DB |
359 | if (client->tls) { |
360 | info->x509_dname = qcrypto_tls_session_get_peer_name(client->tls); | |
361 | info->has_x509_dname = info->x509_dname != NULL; | |
2b54aa87 | 362 | } |
d96fd29c | 363 | #ifdef CONFIG_VNC_SASL |
2b54aa87 LC |
364 | if (client->sasl.conn && client->sasl.username) { |
365 | info->has_sasl_username = true; | |
366 | info->sasl_username = g_strdup(client->sasl.username); | |
d96fd29c | 367 | } |
2b54aa87 | 368 | #endif |
1ff7df1a | 369 | |
2b54aa87 | 370 | return info; |
d96fd29c | 371 | } |
1ff7df1a | 372 | |
d616ccc5 GH |
373 | static VncDisplay *vnc_display_find(const char *id) |
374 | { | |
375 | VncDisplay *vd; | |
376 | ||
377 | if (id == NULL) { | |
378 | return QTAILQ_FIRST(&vnc_displays); | |
379 | } | |
380 | QTAILQ_FOREACH(vd, &vnc_displays, next) { | |
381 | if (strcmp(id, vd->id) == 0) { | |
382 | return vd; | |
383 | } | |
384 | } | |
385 | return NULL; | |
386 | } | |
387 | ||
2d29a436 GH |
388 | static VncClientInfoList *qmp_query_client_list(VncDisplay *vd) |
389 | { | |
390 | VncClientInfoList *cinfo, *prev = NULL; | |
391 | VncState *client; | |
392 | ||
393 | QTAILQ_FOREACH(client, &vd->clients, next) { | |
394 | cinfo = g_new0(VncClientInfoList, 1); | |
395 | cinfo->value = qmp_query_vnc_client(client); | |
396 | cinfo->next = prev; | |
397 | prev = cinfo; | |
398 | } | |
399 | return prev; | |
400 | } | |
401 | ||
2b54aa87 | 402 | VncInfo *qmp_query_vnc(Error **errp) |
d96fd29c | 403 | { |
2b54aa87 | 404 | VncInfo *info = g_malloc0(sizeof(*info)); |
d616ccc5 | 405 | VncDisplay *vd = vnc_display_find(NULL); |
2b54aa87 | 406 | |
bf7aa45e | 407 | if (vd == NULL || !vd->enabled) { |
2b54aa87 | 408 | info->enabled = false; |
d96fd29c | 409 | } else { |
2b54aa87 LC |
410 | struct sockaddr_storage sa; |
411 | socklen_t salen = sizeof(sa); | |
412 | char host[NI_MAXHOST]; | |
413 | char serv[NI_MAXSERV]; | |
1ff7df1a | 414 | |
2b54aa87 LC |
415 | info->enabled = true; |
416 | ||
417 | /* for compatibility with the original command */ | |
418 | info->has_clients = true; | |
2d29a436 | 419 | info->clients = qmp_query_client_list(vd); |
d96fd29c | 420 | |
d616ccc5 | 421 | if (vd->lsock == -1) { |
417b0b88 PB |
422 | return info; |
423 | } | |
424 | ||
d616ccc5 | 425 | if (getsockname(vd->lsock, (struct sockaddr *)&sa, |
2b54aa87 | 426 | &salen) == -1) { |
c6bd8c70 | 427 | error_setg(errp, QERR_UNDEFINED_ERROR); |
2b54aa87 LC |
428 | goto out_error; |
429 | } | |
d96fd29c | 430 | |
2b54aa87 LC |
431 | if (getnameinfo((struct sockaddr *)&sa, salen, |
432 | host, sizeof(host), | |
433 | serv, sizeof(serv), | |
434 | NI_NUMERICHOST | NI_NUMERICSERV) < 0) { | |
c6bd8c70 | 435 | error_setg(errp, QERR_UNDEFINED_ERROR); |
2b54aa87 | 436 | goto out_error; |
1ff7df1a | 437 | } |
2b54aa87 LC |
438 | |
439 | info->has_host = true; | |
440 | info->host = g_strdup(host); | |
441 | ||
442 | info->has_service = true; | |
443 | info->service = g_strdup(serv); | |
444 | ||
445 | info->has_family = true; | |
a589569f | 446 | info->family = inet_netfamily(sa.ss_family); |
2b54aa87 LC |
447 | |
448 | info->has_auth = true; | |
d616ccc5 | 449 | info->auth = g_strdup(vnc_auth_name(vd)); |
a9ce8590 | 450 | } |
2b54aa87 LC |
451 | |
452 | return info; | |
453 | ||
454 | out_error: | |
455 | qapi_free_VncInfo(info); | |
456 | return NULL; | |
a9ce8590 FB |
457 | } |
458 | ||
df887684 | 459 | static VncBasicInfoList *qmp_query_server_entry(int socket, |
4478aa76 | 460 | bool websocket, |
df887684 GH |
461 | VncBasicInfoList *prev) |
462 | { | |
463 | VncBasicInfoList *list; | |
464 | VncBasicInfo *info; | |
465 | struct sockaddr_storage sa; | |
466 | socklen_t salen = sizeof(sa); | |
467 | char host[NI_MAXHOST]; | |
468 | char serv[NI_MAXSERV]; | |
469 | ||
470 | if (getsockname(socket, (struct sockaddr *)&sa, &salen) < 0 || | |
471 | getnameinfo((struct sockaddr *)&sa, salen, | |
472 | host, sizeof(host), serv, sizeof(serv), | |
473 | NI_NUMERICHOST | NI_NUMERICSERV) < 0) { | |
474 | return prev; | |
475 | } | |
476 | ||
477 | info = g_new0(VncBasicInfo, 1); | |
478 | info->host = g_strdup(host); | |
479 | info->service = g_strdup(serv); | |
480 | info->family = inet_netfamily(sa.ss_family); | |
4478aa76 | 481 | info->websocket = websocket; |
df887684 GH |
482 | |
483 | list = g_new0(VncBasicInfoList, 1); | |
484 | list->value = info; | |
485 | list->next = prev; | |
486 | return list; | |
487 | } | |
488 | ||
489 | static void qmp_query_auth(VncDisplay *vd, VncInfo2 *info) | |
490 | { | |
491 | switch (vd->auth) { | |
492 | case VNC_AUTH_VNC: | |
493 | info->auth = VNC_PRIMARY_AUTH_VNC; | |
494 | break; | |
495 | case VNC_AUTH_RA2: | |
496 | info->auth = VNC_PRIMARY_AUTH_RA2; | |
497 | break; | |
498 | case VNC_AUTH_RA2NE: | |
499 | info->auth = VNC_PRIMARY_AUTH_RA2NE; | |
500 | break; | |
501 | case VNC_AUTH_TIGHT: | |
502 | info->auth = VNC_PRIMARY_AUTH_TIGHT; | |
503 | break; | |
504 | case VNC_AUTH_ULTRA: | |
505 | info->auth = VNC_PRIMARY_AUTH_ULTRA; | |
506 | break; | |
507 | case VNC_AUTH_TLS: | |
508 | info->auth = VNC_PRIMARY_AUTH_TLS; | |
509 | break; | |
510 | case VNC_AUTH_VENCRYPT: | |
511 | info->auth = VNC_PRIMARY_AUTH_VENCRYPT; | |
df887684 GH |
512 | info->has_vencrypt = true; |
513 | switch (vd->subauth) { | |
514 | case VNC_AUTH_VENCRYPT_PLAIN: | |
515 | info->vencrypt = VNC_VENCRYPT_SUB_AUTH_PLAIN; | |
516 | break; | |
517 | case VNC_AUTH_VENCRYPT_TLSNONE: | |
518 | info->vencrypt = VNC_VENCRYPT_SUB_AUTH_TLS_NONE; | |
519 | break; | |
520 | case VNC_AUTH_VENCRYPT_TLSVNC: | |
521 | info->vencrypt = VNC_VENCRYPT_SUB_AUTH_TLS_VNC; | |
522 | break; | |
523 | case VNC_AUTH_VENCRYPT_TLSPLAIN: | |
524 | info->vencrypt = VNC_VENCRYPT_SUB_AUTH_TLS_PLAIN; | |
525 | break; | |
526 | case VNC_AUTH_VENCRYPT_X509NONE: | |
527 | info->vencrypt = VNC_VENCRYPT_SUB_AUTH_X509_NONE; | |
528 | break; | |
529 | case VNC_AUTH_VENCRYPT_X509VNC: | |
530 | info->vencrypt = VNC_VENCRYPT_SUB_AUTH_X509_VNC; | |
531 | break; | |
532 | case VNC_AUTH_VENCRYPT_X509PLAIN: | |
533 | info->vencrypt = VNC_VENCRYPT_SUB_AUTH_X509_PLAIN; | |
534 | break; | |
535 | case VNC_AUTH_VENCRYPT_TLSSASL: | |
536 | info->vencrypt = VNC_VENCRYPT_SUB_AUTH_TLS_SASL; | |
537 | break; | |
538 | case VNC_AUTH_VENCRYPT_X509SASL: | |
539 | info->vencrypt = VNC_VENCRYPT_SUB_AUTH_X509_SASL; | |
540 | break; | |
541 | default: | |
542 | info->has_vencrypt = false; | |
543 | break; | |
544 | } | |
df887684 GH |
545 | break; |
546 | case VNC_AUTH_SASL: | |
547 | info->auth = VNC_PRIMARY_AUTH_SASL; | |
548 | break; | |
549 | case VNC_AUTH_NONE: | |
550 | default: | |
551 | info->auth = VNC_PRIMARY_AUTH_NONE; | |
552 | break; | |
553 | } | |
554 | } | |
555 | ||
556 | VncInfo2List *qmp_query_vnc_servers(Error **errp) | |
557 | { | |
558 | VncInfo2List *item, *prev = NULL; | |
559 | VncInfo2 *info; | |
560 | VncDisplay *vd; | |
561 | DeviceState *dev; | |
562 | ||
563 | QTAILQ_FOREACH(vd, &vnc_displays, next) { | |
564 | info = g_new0(VncInfo2, 1); | |
565 | info->id = g_strdup(vd->id); | |
566 | info->clients = qmp_query_client_list(vd); | |
567 | qmp_query_auth(vd, info); | |
568 | if (vd->dcl.con) { | |
569 | dev = DEVICE(object_property_get_link(OBJECT(vd->dcl.con), | |
570 | "device", NULL)); | |
571 | info->has_display = true; | |
572 | info->display = g_strdup(dev->id); | |
573 | } | |
574 | if (vd->lsock != -1) { | |
4478aa76 | 575 | info->server = qmp_query_server_entry(vd->lsock, false, |
df887684 GH |
576 | info->server); |
577 | } | |
df887684 | 578 | if (vd->lwebsock != -1) { |
4478aa76 GH |
579 | info->server = qmp_query_server_entry(vd->lwebsock, true, |
580 | info->server); | |
df887684 | 581 | } |
df887684 GH |
582 | |
583 | item = g_new0(VncInfo2List, 1); | |
584 | item->value = info; | |
585 | item->next = prev; | |
586 | prev = item; | |
587 | } | |
588 | return prev; | |
589 | } | |
590 | ||
24236869 FB |
591 | /* TODO |
592 | 1) Get the queue working for IO. | |
593 | 2) there is some weirdness when using the -S option (the screen is grey | |
594 | and not totally invalidated | |
595 | 3) resolutions > 1024 | |
596 | */ | |
597 | ||
38ee14f4 | 598 | static int vnc_update_client(VncState *vs, int has_dirty, bool sync); |
198a0039 | 599 | static void vnc_disconnect_start(VncState *vs); |
24236869 | 600 | |
753b4053 | 601 | static void vnc_colordepth(VncState *vs); |
1fc62412 SS |
602 | static void framebuffer_update_request(VncState *vs, int incremental, |
603 | int x_position, int y_position, | |
604 | int w, int h); | |
0f7b2864 | 605 | static void vnc_refresh(DisplayChangeListener *dcl); |
1fc62412 | 606 | static int vnc_refresh_server_surface(VncDisplay *vd); |
7eac3a87 | 607 | |
bea60dd7 PL |
608 | static void vnc_set_area_dirty(DECLARE_BITMAP(dirty[VNC_MAX_HEIGHT], |
609 | VNC_MAX_WIDTH / VNC_DIRTY_PIXELS_PER_BIT), | |
610 | int width, int height, | |
611 | int x, int y, int w, int h) { | |
91937225 PL |
612 | /* this is needed this to ensure we updated all affected |
613 | * blocks if x % VNC_DIRTY_PIXELS_PER_BIT != 0 */ | |
b4c85ddc PL |
614 | w += (x % VNC_DIRTY_PIXELS_PER_BIT); |
615 | x -= (x % VNC_DIRTY_PIXELS_PER_BIT); | |
0486e8a7 | 616 | |
9f64916d GH |
617 | x = MIN(x, width); |
618 | y = MIN(y, height); | |
619 | w = MIN(x + w, width) - x; | |
91937225 | 620 | h = MIN(y + h, height); |
788abf8e | 621 | |
b4c85ddc | 622 | for (; y < h; y++) { |
bea60dd7 | 623 | bitmap_set(dirty[y], x / VNC_DIRTY_PIXELS_PER_BIT, |
91937225 | 624 | DIV_ROUND_UP(w, VNC_DIRTY_PIXELS_PER_BIT)); |
b4c85ddc | 625 | } |
24236869 FB |
626 | } |
627 | ||
bea60dd7 PL |
628 | static void vnc_dpy_update(DisplayChangeListener *dcl, |
629 | int x, int y, int w, int h) | |
630 | { | |
631 | VncDisplay *vd = container_of(dcl, VncDisplay, dcl); | |
632 | struct VncSurface *s = &vd->guest; | |
633 | int width = pixman_image_get_width(vd->server); | |
634 | int height = pixman_image_get_height(vd->server); | |
635 | ||
636 | vnc_set_area_dirty(s->dirty, width, height, x, y, w, h); | |
637 | } | |
638 | ||
70a4568f CC |
639 | void vnc_framebuffer_update(VncState *vs, int x, int y, int w, int h, |
640 | int32_t encoding) | |
24236869 FB |
641 | { |
642 | vnc_write_u16(vs, x); | |
643 | vnc_write_u16(vs, y); | |
644 | vnc_write_u16(vs, w); | |
645 | vnc_write_u16(vs, h); | |
646 | ||
647 | vnc_write_s32(vs, encoding); | |
648 | } | |
649 | ||
2f9606b3 | 650 | void buffer_reserve(Buffer *buffer, size_t len) |
89064286 AL |
651 | { |
652 | if ((buffer->capacity - buffer->offset) < len) { | |
28a76be8 | 653 | buffer->capacity += (len + 1024); |
7267c094 | 654 | buffer->buffer = g_realloc(buffer->buffer, buffer->capacity); |
89064286 AL |
655 | } |
656 | } | |
657 | ||
71a8cdec | 658 | static int buffer_empty(Buffer *buffer) |
89064286 AL |
659 | { |
660 | return buffer->offset == 0; | |
661 | } | |
662 | ||
7536ee4b | 663 | uint8_t *buffer_end(Buffer *buffer) |
89064286 AL |
664 | { |
665 | return buffer->buffer + buffer->offset; | |
666 | } | |
667 | ||
2f9606b3 | 668 | void buffer_reset(Buffer *buffer) |
89064286 | 669 | { |
28a76be8 | 670 | buffer->offset = 0; |
89064286 AL |
671 | } |
672 | ||
5d418e3b CC |
673 | void buffer_free(Buffer *buffer) |
674 | { | |
7267c094 | 675 | g_free(buffer->buffer); |
5d418e3b CC |
676 | buffer->offset = 0; |
677 | buffer->capacity = 0; | |
678 | buffer->buffer = NULL; | |
679 | } | |
680 | ||
2f9606b3 | 681 | void buffer_append(Buffer *buffer, const void *data, size_t len) |
89064286 AL |
682 | { |
683 | memcpy(buffer->buffer + buffer->offset, data, len); | |
684 | buffer->offset += len; | |
685 | } | |
686 | ||
32ed2680 TH |
687 | void buffer_advance(Buffer *buf, size_t len) |
688 | { | |
689 | memmove(buf->buffer, buf->buffer + len, | |
690 | (buf->offset - len)); | |
691 | buf->offset -= len; | |
692 | } | |
693 | ||
621aaeb9 GH |
694 | static void vnc_desktop_resize(VncState *vs) |
695 | { | |
621aaeb9 GH |
696 | if (vs->csock == -1 || !vnc_has_feature(vs, VNC_FEATURE_RESIZE)) { |
697 | return; | |
698 | } | |
bea60dd7 PL |
699 | if (vs->client_width == pixman_image_get_width(vs->vd->server) && |
700 | vs->client_height == pixman_image_get_height(vs->vd->server)) { | |
1d4b638a GH |
701 | return; |
702 | } | |
bea60dd7 PL |
703 | vs->client_width = pixman_image_get_width(vs->vd->server); |
704 | vs->client_height = pixman_image_get_height(vs->vd->server); | |
bd023f95 | 705 | vnc_lock_output(vs); |
621aaeb9 GH |
706 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
707 | vnc_write_u8(vs, 0); | |
708 | vnc_write_u16(vs, 1); /* number of rects */ | |
5862d195 | 709 | vnc_framebuffer_update(vs, 0, 0, vs->client_width, vs->client_height, |
621aaeb9 | 710 | VNC_ENCODING_DESKTOPRESIZE); |
bd023f95 | 711 | vnc_unlock_output(vs); |
621aaeb9 GH |
712 | vnc_flush(vs); |
713 | } | |
714 | ||
bd023f95 CC |
715 | static void vnc_abort_display_jobs(VncDisplay *vd) |
716 | { | |
717 | VncState *vs; | |
718 | ||
719 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
720 | vnc_lock_output(vs); | |
721 | vs->abort = true; | |
722 | vnc_unlock_output(vs); | |
723 | } | |
724 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
725 | vnc_jobs_join(vs); | |
726 | } | |
727 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
728 | vnc_lock_output(vs); | |
729 | vs->abort = false; | |
730 | vnc_unlock_output(vs); | |
731 | } | |
732 | } | |
bd023f95 | 733 | |
9f64916d GH |
734 | int vnc_server_fb_stride(VncDisplay *vd) |
735 | { | |
736 | return pixman_image_get_stride(vd->server); | |
737 | } | |
738 | ||
739 | void *vnc_server_fb_ptr(VncDisplay *vd, int x, int y) | |
740 | { | |
741 | uint8_t *ptr; | |
742 | ||
743 | ptr = (uint8_t *)pixman_image_get_data(vd->server); | |
744 | ptr += y * vnc_server_fb_stride(vd); | |
745 | ptr += x * VNC_SERVER_FB_BYTES; | |
746 | return ptr; | |
747 | } | |
748 | ||
c12aeb86 | 749 | static void vnc_dpy_switch(DisplayChangeListener *dcl, |
c12aeb86 | 750 | DisplaySurface *surface) |
24236869 | 751 | { |
21ef45d7 | 752 | VncDisplay *vd = container_of(dcl, VncDisplay, dcl); |
41b4bef6 | 753 | VncState *vs; |
bea60dd7 | 754 | int width, height; |
1fc62412 | 755 | |
bd023f95 CC |
756 | vnc_abort_display_jobs(vd); |
757 | ||
1fc62412 | 758 | /* server surface */ |
9f64916d | 759 | qemu_pixman_image_unref(vd->server); |
d39fa6d8 | 760 | vd->ds = surface; |
bea60dd7 PL |
761 | width = MIN(VNC_MAX_WIDTH, ROUND_UP(surface_width(vd->ds), |
762 | VNC_DIRTY_PIXELS_PER_BIT)); | |
763 | height = MIN(VNC_MAX_HEIGHT, surface_height(vd->ds)); | |
9f64916d | 764 | vd->server = pixman_image_create_bits(VNC_SERVER_FB_FORMAT, |
bea60dd7 | 765 | width, height, NULL, 0); |
24236869 | 766 | |
6baebed7 | 767 | /* guest surface */ |
9f64916d | 768 | #if 0 /* FIXME */ |
1fc62412 | 769 | if (ds_get_bytes_per_pixel(ds) != vd->guest.ds->pf.bytes_per_pixel) |
a528b80c | 770 | console_color_init(ds); |
9f64916d GH |
771 | #endif |
772 | qemu_pixman_image_unref(vd->guest.fb); | |
d39fa6d8 GH |
773 | vd->guest.fb = pixman_image_ref(surface->image); |
774 | vd->guest.format = surface->format; | |
bea60dd7 PL |
775 | memset(vd->guest.dirty, 0x00, sizeof(vd->guest.dirty)); |
776 | vnc_set_area_dirty(vd->guest.dirty, width, height, 0, 0, | |
777 | width, height); | |
24236869 | 778 | |
41b4bef6 | 779 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
1fc62412 | 780 | vnc_colordepth(vs); |
1d4b638a | 781 | vnc_desktop_resize(vs); |
d467b679 GH |
782 | if (vs->vd->cursor) { |
783 | vnc_cursor_define(vs); | |
784 | } | |
bea60dd7 PL |
785 | memset(vs->dirty, 0x00, sizeof(vs->dirty)); |
786 | vnc_set_area_dirty(vs->dirty, width, height, 0, 0, | |
787 | width, height); | |
753b4053 AL |
788 | } |
789 | } | |
790 | ||
3512779a | 791 | /* fastest code */ |
9f64916d | 792 | static void vnc_write_pixels_copy(VncState *vs, |
d467b679 | 793 | void *pixels, int size) |
3512779a FB |
794 | { |
795 | vnc_write(vs, pixels, size); | |
796 | } | |
797 | ||
798 | /* slowest but generic code. */ | |
70a4568f | 799 | void vnc_convert_pixel(VncState *vs, uint8_t *buf, uint32_t v) |
3512779a | 800 | { |
7eac3a87 | 801 | uint8_t r, g, b; |
1fc62412 | 802 | |
9f64916d GH |
803 | #if VNC_SERVER_FB_FORMAT == PIXMAN_FORMAT(32, PIXMAN_TYPE_ARGB, 0, 8, 8, 8) |
804 | r = (((v & 0x00ff0000) >> 16) << vs->client_pf.rbits) >> 8; | |
805 | g = (((v & 0x0000ff00) >> 8) << vs->client_pf.gbits) >> 8; | |
806 | b = (((v & 0x000000ff) >> 0) << vs->client_pf.bbits) >> 8; | |
807 | #else | |
808 | # error need some bits here if you change VNC_SERVER_FB_FORMAT | |
809 | #endif | |
810 | v = (r << vs->client_pf.rshift) | | |
811 | (g << vs->client_pf.gshift) | | |
812 | (b << vs->client_pf.bshift); | |
813 | switch (vs->client_pf.bytes_per_pixel) { | |
3512779a FB |
814 | case 1: |
815 | buf[0] = v; | |
816 | break; | |
817 | case 2: | |
9f64916d | 818 | if (vs->client_be) { |
3512779a FB |
819 | buf[0] = v >> 8; |
820 | buf[1] = v; | |
821 | } else { | |
822 | buf[1] = v >> 8; | |
823 | buf[0] = v; | |
824 | } | |
825 | break; | |
826 | default: | |
827 | case 4: | |
9f64916d | 828 | if (vs->client_be) { |
3512779a FB |
829 | buf[0] = v >> 24; |
830 | buf[1] = v >> 16; | |
831 | buf[2] = v >> 8; | |
832 | buf[3] = v; | |
833 | } else { | |
834 | buf[3] = v >> 24; | |
835 | buf[2] = v >> 16; | |
836 | buf[1] = v >> 8; | |
837 | buf[0] = v; | |
838 | } | |
839 | break; | |
840 | } | |
841 | } | |
842 | ||
9f64916d | 843 | static void vnc_write_pixels_generic(VncState *vs, |
d467b679 | 844 | void *pixels1, int size) |
3512779a | 845 | { |
3512779a | 846 | uint8_t buf[4]; |
3512779a | 847 | |
9f64916d | 848 | if (VNC_SERVER_FB_BYTES == 4) { |
7eac3a87 AL |
849 | uint32_t *pixels = pixels1; |
850 | int n, i; | |
851 | n = size >> 2; | |
9f64916d | 852 | for (i = 0; i < n; i++) { |
7eac3a87 | 853 | vnc_convert_pixel(vs, buf, pixels[i]); |
9f64916d | 854 | vnc_write(vs, buf, vs->client_pf.bytes_per_pixel); |
7eac3a87 | 855 | } |
3512779a FB |
856 | } |
857 | } | |
858 | ||
a885211e | 859 | int vnc_raw_send_framebuffer_update(VncState *vs, int x, int y, int w, int h) |
24236869 FB |
860 | { |
861 | int i; | |
60fe76f3 | 862 | uint8_t *row; |
1fc62412 | 863 | VncDisplay *vd = vs->vd; |
24236869 | 864 | |
9f64916d | 865 | row = vnc_server_fb_ptr(vd, x, y); |
24236869 | 866 | for (i = 0; i < h; i++) { |
9f64916d GH |
867 | vs->write_pixels(vs, row, w * VNC_SERVER_FB_BYTES); |
868 | row += vnc_server_fb_stride(vd); | |
24236869 | 869 | } |
a885211e | 870 | return 1; |
24236869 FB |
871 | } |
872 | ||
bd023f95 | 873 | int vnc_send_framebuffer_update(VncState *vs, int x, int y, int w, int h) |
24236869 | 874 | { |
a885211e CC |
875 | int n = 0; |
876 | ||
fb437313 | 877 | switch(vs->vnc_encoding) { |
28a76be8 | 878 | case VNC_ENCODING_ZLIB: |
a885211e | 879 | n = vnc_zlib_send_framebuffer_update(vs, x, y, w, h); |
28a76be8 AL |
880 | break; |
881 | case VNC_ENCODING_HEXTILE: | |
882 | vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_HEXTILE); | |
a885211e | 883 | n = vnc_hextile_send_framebuffer_update(vs, x, y, w, h); |
28a76be8 | 884 | break; |
380282b0 CC |
885 | case VNC_ENCODING_TIGHT: |
886 | n = vnc_tight_send_framebuffer_update(vs, x, y, w, h); | |
887 | break; | |
efe556ad CC |
888 | case VNC_ENCODING_TIGHT_PNG: |
889 | n = vnc_tight_png_send_framebuffer_update(vs, x, y, w, h); | |
890 | break; | |
148954fa CC |
891 | case VNC_ENCODING_ZRLE: |
892 | n = vnc_zrle_send_framebuffer_update(vs, x, y, w, h); | |
893 | break; | |
894 | case VNC_ENCODING_ZYWRLE: | |
895 | n = vnc_zywrle_send_framebuffer_update(vs, x, y, w, h); | |
896 | break; | |
28a76be8 AL |
897 | default: |
898 | vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_RAW); | |
a885211e | 899 | n = vnc_raw_send_framebuffer_update(vs, x, y, w, h); |
28a76be8 | 900 | break; |
fb437313 | 901 | } |
a885211e | 902 | return n; |
24236869 FB |
903 | } |
904 | ||
753b4053 | 905 | static void vnc_copy(VncState *vs, int src_x, int src_y, int dst_x, int dst_y, int w, int h) |
24236869 | 906 | { |
3e28c9ad | 907 | /* send bitblit op to the vnc client */ |
bd023f95 | 908 | vnc_lock_output(vs); |
46a183da | 909 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
24236869 FB |
910 | vnc_write_u8(vs, 0); |
911 | vnc_write_u16(vs, 1); /* number of rects */ | |
29fa4ed9 | 912 | vnc_framebuffer_update(vs, dst_x, dst_y, w, h, VNC_ENCODING_COPYRECT); |
24236869 FB |
913 | vnc_write_u16(vs, src_x); |
914 | vnc_write_u16(vs, src_y); | |
bd023f95 | 915 | vnc_unlock_output(vs); |
24236869 FB |
916 | vnc_flush(vs); |
917 | } | |
918 | ||
7c20b4a3 | 919 | static void vnc_dpy_copy(DisplayChangeListener *dcl, |
7c20b4a3 GH |
920 | int src_x, int src_y, |
921 | int dst_x, int dst_y, int w, int h) | |
753b4053 | 922 | { |
21ef45d7 | 923 | VncDisplay *vd = container_of(dcl, VncDisplay, dcl); |
198a0039 | 924 | VncState *vs, *vn; |
1fc62412 SS |
925 | uint8_t *src_row; |
926 | uint8_t *dst_row; | |
9f64916d | 927 | int i, x, y, pitch, inc, w_lim, s; |
1fc62412 | 928 | int cmp_bytes; |
198a0039 | 929 | |
1fc62412 | 930 | vnc_refresh_server_surface(vd); |
41b4bef6 | 931 | QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) { |
198a0039 GH |
932 | if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) { |
933 | vs->force_update = 1; | |
38ee14f4 | 934 | vnc_update_client(vs, 1, true); |
198a0039 GH |
935 | /* vs might be free()ed here */ |
936 | } | |
937 | } | |
938 | ||
1fc62412 | 939 | /* do bitblit op on the local surface too */ |
9f64916d GH |
940 | pitch = vnc_server_fb_stride(vd); |
941 | src_row = vnc_server_fb_ptr(vd, src_x, src_y); | |
942 | dst_row = vnc_server_fb_ptr(vd, dst_x, dst_y); | |
1fc62412 SS |
943 | y = dst_y; |
944 | inc = 1; | |
945 | if (dst_y > src_y) { | |
946 | /* copy backwards */ | |
947 | src_row += pitch * (h-1); | |
948 | dst_row += pitch * (h-1); | |
949 | pitch = -pitch; | |
950 | y = dst_y + h - 1; | |
951 | inc = -1; | |
952 | } | |
b4c85ddc PL |
953 | w_lim = w - (VNC_DIRTY_PIXELS_PER_BIT - (dst_x % VNC_DIRTY_PIXELS_PER_BIT)); |
954 | if (w_lim < 0) { | |
1fc62412 | 955 | w_lim = w; |
b4c85ddc PL |
956 | } else { |
957 | w_lim = w - (w_lim % VNC_DIRTY_PIXELS_PER_BIT); | |
958 | } | |
1fc62412 SS |
959 | for (i = 0; i < h; i++) { |
960 | for (x = 0; x <= w_lim; | |
961 | x += s, src_row += cmp_bytes, dst_row += cmp_bytes) { | |
962 | if (x == w_lim) { | |
963 | if ((s = w - w_lim) == 0) | |
964 | break; | |
965 | } else if (!x) { | |
b4c85ddc PL |
966 | s = (VNC_DIRTY_PIXELS_PER_BIT - |
967 | (dst_x % VNC_DIRTY_PIXELS_PER_BIT)); | |
1fc62412 SS |
968 | s = MIN(s, w_lim); |
969 | } else { | |
b4c85ddc | 970 | s = VNC_DIRTY_PIXELS_PER_BIT; |
1fc62412 | 971 | } |
9f64916d | 972 | cmp_bytes = s * VNC_SERVER_FB_BYTES; |
1fc62412 SS |
973 | if (memcmp(src_row, dst_row, cmp_bytes) == 0) |
974 | continue; | |
975 | memmove(dst_row, src_row, cmp_bytes); | |
41b4bef6 AS |
976 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
977 | if (!vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) { | |
b4c85ddc PL |
978 | set_bit(((x + dst_x) / VNC_DIRTY_PIXELS_PER_BIT), |
979 | vs->dirty[y]); | |
41b4bef6 | 980 | } |
1fc62412 SS |
981 | } |
982 | } | |
9f64916d GH |
983 | src_row += pitch - w * VNC_SERVER_FB_BYTES; |
984 | dst_row += pitch - w * VNC_SERVER_FB_BYTES; | |
1fc62412 SS |
985 | y += inc; |
986 | } | |
987 | ||
41b4bef6 AS |
988 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
989 | if (vnc_has_feature(vs, VNC_FEATURE_COPYRECT)) { | |
753b4053 | 990 | vnc_copy(vs, src_x, src_y, dst_x, dst_y, w, h); |
41b4bef6 | 991 | } |
753b4053 AL |
992 | } |
993 | } | |
994 | ||
7c20b4a3 | 995 | static void vnc_mouse_set(DisplayChangeListener *dcl, |
7c20b4a3 | 996 | int x, int y, int visible) |
d467b679 GH |
997 | { |
998 | /* can we ask the client(s) to move the pointer ??? */ | |
999 | } | |
1000 | ||
1001 | static int vnc_cursor_define(VncState *vs) | |
1002 | { | |
1003 | QEMUCursor *c = vs->vd->cursor; | |
d467b679 GH |
1004 | int isize; |
1005 | ||
1006 | if (vnc_has_feature(vs, VNC_FEATURE_RICH_CURSOR)) { | |
d01f9595 | 1007 | vnc_lock_output(vs); |
d467b679 GH |
1008 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
1009 | vnc_write_u8(vs, 0); /* padding */ | |
1010 | vnc_write_u16(vs, 1); /* # of rects */ | |
1011 | vnc_framebuffer_update(vs, c->hot_x, c->hot_y, c->width, c->height, | |
1012 | VNC_ENCODING_RICH_CURSOR); | |
9f64916d GH |
1013 | isize = c->width * c->height * vs->client_pf.bytes_per_pixel; |
1014 | vnc_write_pixels_generic(vs, c->data, isize); | |
d467b679 | 1015 | vnc_write(vs, vs->vd->cursor_mask, vs->vd->cursor_msize); |
d01f9595 | 1016 | vnc_unlock_output(vs); |
d467b679 GH |
1017 | return 0; |
1018 | } | |
1019 | return -1; | |
1020 | } | |
1021 | ||
7c20b4a3 | 1022 | static void vnc_dpy_cursor_define(DisplayChangeListener *dcl, |
7c20b4a3 | 1023 | QEMUCursor *c) |
d467b679 | 1024 | { |
d616ccc5 | 1025 | VncDisplay *vd = container_of(dcl, VncDisplay, dcl); |
d467b679 GH |
1026 | VncState *vs; |
1027 | ||
1028 | cursor_put(vd->cursor); | |
7267c094 | 1029 | g_free(vd->cursor_mask); |
d467b679 GH |
1030 | |
1031 | vd->cursor = c; | |
1032 | cursor_get(vd->cursor); | |
1033 | vd->cursor_msize = cursor_get_mono_bpl(c) * c->height; | |
7267c094 | 1034 | vd->cursor_mask = g_malloc0(vd->cursor_msize); |
d467b679 GH |
1035 | cursor_get_mono_mask(c, 0, vd->cursor_mask); |
1036 | ||
1037 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
1038 | vnc_cursor_define(vs); | |
1039 | } | |
1040 | } | |
1041 | ||
4769a881 | 1042 | static int find_and_clear_dirty_height(VncState *vs, |
6c71a539 | 1043 | int y, int last_x, int x, int height) |
24236869 FB |
1044 | { |
1045 | int h; | |
1046 | ||
6c71a539 | 1047 | for (h = 1; h < (height - y); h++) { |
bc2429b9 | 1048 | if (!test_bit(last_x, vs->dirty[y + h])) { |
28a76be8 | 1049 | break; |
bc2429b9 | 1050 | } |
863d7c91 | 1051 | bitmap_clear(vs->dirty[y + h], last_x, x - last_x); |
24236869 FB |
1052 | } |
1053 | ||
1054 | return h; | |
1055 | } | |
1056 | ||
38ee14f4 | 1057 | static int vnc_update_client(VncState *vs, int has_dirty, bool sync) |
24236869 | 1058 | { |
63658280 | 1059 | vs->has_dirty += has_dirty; |
24236869 | 1060 | if (vs->need_update && vs->csock != -1) { |
1fc62412 | 1061 | VncDisplay *vd = vs->vd; |
bd023f95 | 1062 | VncJob *job; |
28a76be8 | 1063 | int y; |
2f487a3d | 1064 | int height, width; |
bd023f95 CC |
1065 | int n = 0; |
1066 | ||
703bc68f | 1067 | if (vs->output.offset && !vs->audio_cap && !vs->force_update) |
c522d0e2 | 1068 | /* kernel send buffers are full -> drop frames to throttle */ |
2430ffe4 | 1069 | return 0; |
a0ecfb73 | 1070 | |
63658280 | 1071 | if (!vs->has_dirty && !vs->audio_cap && !vs->force_update) |
2430ffe4 | 1072 | return 0; |
28a76be8 | 1073 | |
6baebed7 AL |
1074 | /* |
1075 | * Send screen updates to the vnc client using the server | |
1076 | * surface and server dirty map. guest surface updates | |
1077 | * happening in parallel don't disturb us, the next pass will | |
1078 | * send them to the client. | |
1079 | */ | |
bd023f95 | 1080 | job = vnc_job_new(vs); |
28a76be8 | 1081 | |
bea60dd7 PL |
1082 | height = pixman_image_get_height(vd->server); |
1083 | width = pixman_image_get_width(vd->server); | |
847ce6a1 | 1084 | |
12b316d4 PL |
1085 | y = 0; |
1086 | for (;;) { | |
1087 | int x, h; | |
1088 | unsigned long x2; | |
1089 | unsigned long offset = find_next_bit((unsigned long *) &vs->dirty, | |
1090 | height * VNC_DIRTY_BPL(vs), | |
1091 | y * VNC_DIRTY_BPL(vs)); | |
1092 | if (offset == height * VNC_DIRTY_BPL(vs)) { | |
1093 | /* no more dirty bits */ | |
1094 | break; | |
28a76be8 | 1095 | } |
12b316d4 PL |
1096 | y = offset / VNC_DIRTY_BPL(vs); |
1097 | x = offset % VNC_DIRTY_BPL(vs); | |
1098 | x2 = find_next_zero_bit((unsigned long *) &vs->dirty[y], | |
1099 | VNC_DIRTY_BPL(vs), x); | |
1100 | bitmap_clear(vs->dirty[y], x, x2 - x); | |
1101 | h = find_and_clear_dirty_height(vs, y, x, x2, height); | |
2f487a3d PL |
1102 | x2 = MIN(x2, width / VNC_DIRTY_PIXELS_PER_BIT); |
1103 | if (x2 > x) { | |
1104 | n += vnc_job_add_rect(job, x * VNC_DIRTY_PIXELS_PER_BIT, y, | |
1105 | (x2 - x) * VNC_DIRTY_PIXELS_PER_BIT, h); | |
1106 | } | |
0e7d6f60 PL |
1107 | if (!x && x2 == width / VNC_DIRTY_PIXELS_PER_BIT) { |
1108 | y += h; | |
1109 | if (y == height) { | |
1110 | break; | |
1111 | } | |
1112 | } | |
28a76be8 | 1113 | } |
bd023f95 CC |
1114 | |
1115 | vnc_job_push(job); | |
eb214ff8 GH |
1116 | if (sync) { |
1117 | vnc_jobs_join(vs); | |
1118 | } | |
c522d0e2 | 1119 | vs->force_update = 0; |
63658280 | 1120 | vs->has_dirty = 0; |
bd023f95 | 1121 | return n; |
24236869 | 1122 | } |
24236869 | 1123 | |
38ee14f4 | 1124 | if (vs->csock == -1) { |
198a0039 | 1125 | vnc_disconnect_finish(vs); |
38ee14f4 GH |
1126 | } else if (sync) { |
1127 | vnc_jobs_join(vs); | |
1128 | } | |
2430ffe4 SS |
1129 | |
1130 | return 0; | |
24236869 FB |
1131 | } |
1132 | ||
429a8ed3 | 1133 | /* audio */ |
1134 | static void audio_capture_notify(void *opaque, audcnotification_e cmd) | |
1135 | { | |
1136 | VncState *vs = opaque; | |
1137 | ||
1138 | switch (cmd) { | |
1139 | case AUD_CNOTIFY_DISABLE: | |
bd023f95 | 1140 | vnc_lock_output(vs); |
46a183da DB |
1141 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU); |
1142 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO); | |
1143 | vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_END); | |
bd023f95 | 1144 | vnc_unlock_output(vs); |
429a8ed3 | 1145 | vnc_flush(vs); |
1146 | break; | |
1147 | ||
1148 | case AUD_CNOTIFY_ENABLE: | |
bd023f95 | 1149 | vnc_lock_output(vs); |
46a183da DB |
1150 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU); |
1151 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO); | |
1152 | vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_BEGIN); | |
bd023f95 | 1153 | vnc_unlock_output(vs); |
429a8ed3 | 1154 | vnc_flush(vs); |
1155 | break; | |
1156 | } | |
1157 | } | |
1158 | ||
1159 | static void audio_capture_destroy(void *opaque) | |
1160 | { | |
1161 | } | |
1162 | ||
1163 | static void audio_capture(void *opaque, void *buf, int size) | |
1164 | { | |
1165 | VncState *vs = opaque; | |
1166 | ||
bd023f95 | 1167 | vnc_lock_output(vs); |
46a183da DB |
1168 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU); |
1169 | vnc_write_u8(vs, VNC_MSG_SERVER_QEMU_AUDIO); | |
1170 | vnc_write_u16(vs, VNC_MSG_SERVER_QEMU_AUDIO_DATA); | |
429a8ed3 | 1171 | vnc_write_u32(vs, size); |
1172 | vnc_write(vs, buf, size); | |
bd023f95 | 1173 | vnc_unlock_output(vs); |
429a8ed3 | 1174 | vnc_flush(vs); |
1175 | } | |
1176 | ||
1177 | static void audio_add(VncState *vs) | |
1178 | { | |
1179 | struct audio_capture_ops ops; | |
1180 | ||
1181 | if (vs->audio_cap) { | |
027a79c3 | 1182 | error_report("audio already running"); |
429a8ed3 | 1183 | return; |
1184 | } | |
1185 | ||
1186 | ops.notify = audio_capture_notify; | |
1187 | ops.destroy = audio_capture_destroy; | |
1188 | ops.capture = audio_capture; | |
1189 | ||
1a7dafce | 1190 | vs->audio_cap = AUD_add_capture(&vs->as, &ops, vs); |
429a8ed3 | 1191 | if (!vs->audio_cap) { |
027a79c3 | 1192 | error_report("Failed to add audio capture"); |
429a8ed3 | 1193 | } |
1194 | } | |
1195 | ||
1196 | static void audio_del(VncState *vs) | |
1197 | { | |
1198 | if (vs->audio_cap) { | |
1199 | AUD_del_capture(vs->audio_cap, vs); | |
1200 | vs->audio_cap = NULL; | |
1201 | } | |
1202 | } | |
1203 | ||
198a0039 GH |
1204 | static void vnc_disconnect_start(VncState *vs) |
1205 | { | |
1206 | if (vs->csock == -1) | |
1207 | return; | |
8cf36489 | 1208 | vnc_set_share_mode(vs, VNC_SHARE_MODE_DISCONNECTED); |
82e1cc4b | 1209 | qemu_set_fd_handler(vs->csock, NULL, NULL, NULL); |
198a0039 GH |
1210 | closesocket(vs->csock); |
1211 | vs->csock = -1; | |
1212 | } | |
1213 | ||
7536ee4b | 1214 | void vnc_disconnect_finish(VncState *vs) |
198a0039 | 1215 | { |
7d964c9d CC |
1216 | int i; |
1217 | ||
bd023f95 CC |
1218 | vnc_jobs_join(vs); /* Wait encoding jobs */ |
1219 | ||
1220 | vnc_lock_output(vs); | |
fb6ba0d5 | 1221 | vnc_qmp_event(vs, QAPI_EVENT_VNC_DISCONNECTED); |
0d72f3d3 | 1222 | |
5d418e3b CC |
1223 | buffer_free(&vs->input); |
1224 | buffer_free(&vs->output); | |
7536ee4b TH |
1225 | buffer_free(&vs->ws_input); |
1226 | buffer_free(&vs->ws_output); | |
4a80dba3 | 1227 | |
fb6ba0d5 | 1228 | qapi_free_VncClientInfo(vs->info); |
4a80dba3 | 1229 | |
161c4f20 | 1230 | vnc_zlib_clear(vs); |
380282b0 | 1231 | vnc_tight_clear(vs); |
148954fa | 1232 | vnc_zrle_clear(vs); |
161c4f20 | 1233 | |
3e305e4a | 1234 | qcrypto_tls_session_free(vs->tls); |
198a0039 GH |
1235 | #ifdef CONFIG_VNC_SASL |
1236 | vnc_sasl_client_cleanup(vs); | |
1237 | #endif /* CONFIG_VNC_SASL */ | |
1238 | audio_del(vs); | |
7bc9318b | 1239 | vnc_release_modifiers(vs); |
198a0039 | 1240 | |
6fd8e79a TH |
1241 | if (vs->initialized) { |
1242 | QTAILQ_REMOVE(&vs->vd->clients, vs, next); | |
1243 | qemu_remove_mouse_mode_change_notifier(&vs->mouse_mode_notifier); | |
1244 | } | |
41b4bef6 | 1245 | |
3a0558b5 GH |
1246 | if (vs->vd->lock_key_sync) |
1247 | qemu_remove_led_event_handler(vs->led); | |
bd023f95 CC |
1248 | vnc_unlock_output(vs); |
1249 | ||
bd023f95 | 1250 | qemu_mutex_destroy(&vs->output_mutex); |
6fd8e79a TH |
1251 | if (vs->bh != NULL) { |
1252 | qemu_bh_delete(vs->bh); | |
1253 | } | |
175b2a6e | 1254 | buffer_free(&vs->jobs_buffer); |
175b2a6e | 1255 | |
7d964c9d | 1256 | for (i = 0; i < VNC_STAT_ROWS; ++i) { |
7267c094 | 1257 | g_free(vs->lossy_rect[i]); |
7d964c9d | 1258 | } |
7267c094 AL |
1259 | g_free(vs->lossy_rect); |
1260 | g_free(vs); | |
198a0039 | 1261 | } |
2f9606b3 | 1262 | |
fdd1ab6a | 1263 | ssize_t vnc_client_io_error(VncState *vs, ssize_t ret, int last_errno) |
24236869 FB |
1264 | { |
1265 | if (ret == 0 || ret == -1) { | |
ea01e5fd AZ |
1266 | if (ret == -1) { |
1267 | switch (last_errno) { | |
1268 | case EINTR: | |
1269 | case EAGAIN: | |
1270 | #ifdef _WIN32 | |
1271 | case WSAEWOULDBLOCK: | |
1272 | #endif | |
1273 | return 0; | |
1274 | default: | |
1275 | break; | |
1276 | } | |
1277 | } | |
24236869 | 1278 | |
fdd1ab6a | 1279 | VNC_DEBUG("Closing down client sock: ret %zd, errno %d\n", |
198a0039 GH |
1280 | ret, ret < 0 ? last_errno : 0); |
1281 | vnc_disconnect_start(vs); | |
6baebed7 | 1282 | |
28a76be8 | 1283 | return 0; |
24236869 FB |
1284 | } |
1285 | return ret; | |
1286 | } | |
1287 | ||
5fb6c7a8 AL |
1288 | |
1289 | void vnc_client_error(VncState *vs) | |
24236869 | 1290 | { |
198a0039 GH |
1291 | VNC_DEBUG("Closing down client sock: protocol error\n"); |
1292 | vnc_disconnect_start(vs); | |
24236869 FB |
1293 | } |
1294 | ||
3e305e4a DB |
1295 | |
1296 | ssize_t vnc_tls_pull(char *buf, size_t len, void *opaque) | |
0057a0d5 | 1297 | { |
3e305e4a DB |
1298 | VncState *vs = opaque; |
1299 | ssize_t ret; | |
1300 | ||
1301 | retry: | |
1302 | ret = qemu_recv(vs->csock, buf, len, 0); | |
0057a0d5 | 1303 | if (ret < 0) { |
3e305e4a DB |
1304 | if (errno == EINTR) { |
1305 | goto retry; | |
1306 | } | |
1307 | return -1; | |
1308 | } | |
1309 | return ret; | |
1310 | } | |
1311 | ||
1312 | ||
1313 | ssize_t vnc_tls_push(const char *buf, size_t len, void *opaque) | |
1314 | { | |
1315 | VncState *vs = opaque; | |
1316 | ssize_t ret; | |
1317 | ||
1318 | retry: | |
1319 | ret = send(vs->csock, buf, len, 0); | |
1320 | if (ret < 0) { | |
1321 | if (errno == EINTR) { | |
1322 | goto retry; | |
0057a0d5 | 1323 | } |
3e305e4a | 1324 | return -1; |
0057a0d5 TH |
1325 | } |
1326 | return ret; | |
1327 | } | |
3e305e4a | 1328 | |
2f9606b3 AL |
1329 | |
1330 | /* | |
1331 | * Called to write a chunk of data to the client socket. The data may | |
1332 | * be the raw data, or may have already been encoded by SASL. | |
1333 | * The data will be written either straight onto the socket, or | |
1334 | * written via the GNUTLS wrappers, if TLS/SSL encryption is enabled | |
1335 | * | |
1336 | * NB, it is theoretically possible to have 2 layers of encryption, | |
1337 | * both SASL, and this TLS layer. It is highly unlikely in practice | |
1338 | * though, since SASL encryption will typically be a no-op if TLS | |
1339 | * is active | |
1340 | * | |
1341 | * Returns the number of bytes written, which may be less than | |
1342 | * the requested 'datalen' if the socket would block. Returns | |
1343 | * -1 on error, and disconnects the client socket. | |
1344 | */ | |
fdd1ab6a | 1345 | ssize_t vnc_client_write_buf(VncState *vs, const uint8_t *data, size_t datalen) |
24236869 | 1346 | { |
fdd1ab6a | 1347 | ssize_t ret; |
3e305e4a DB |
1348 | int err = 0; |
1349 | if (vs->tls) { | |
1350 | ret = qcrypto_tls_session_write(vs->tls, (const char *)data, datalen); | |
1351 | if (ret < 0) { | |
1352 | err = errno; | |
1353 | } | |
0057a0d5 | 1354 | } else { |
7b45a00d | 1355 | ret = send(vs->csock, (const void *)data, datalen, 0); |
3e305e4a DB |
1356 | if (ret < 0) { |
1357 | err = socket_error(); | |
1358 | } | |
0057a0d5 | 1359 | } |
23decc87 | 1360 | VNC_DEBUG("Wrote wire %p %zd -> %ld\n", data, datalen, ret); |
3e305e4a | 1361 | return vnc_client_io_error(vs, ret, err); |
2f9606b3 AL |
1362 | } |
1363 | ||
1364 | ||
1365 | /* | |
1366 | * Called to write buffered data to the client socket, when not | |
1367 | * using any SASL SSF encryption layers. Will write as much data | |
1368 | * as possible without blocking. If all buffered data is written, | |
1369 | * will switch the FD poll() handler back to read monitoring. | |
1370 | * | |
1371 | * Returns the number of bytes written, which may be less than | |
1372 | * the buffered output data if the socket would block. Returns | |
1373 | * -1 on error, and disconnects the client socket. | |
1374 | */ | |
fdd1ab6a | 1375 | static ssize_t vnc_client_write_plain(VncState *vs) |
2f9606b3 | 1376 | { |
fdd1ab6a | 1377 | ssize_t ret; |
2f9606b3 AL |
1378 | |
1379 | #ifdef CONFIG_VNC_SASL | |
23decc87 | 1380 | VNC_DEBUG("Write Plain: Pending output %p size %zd offset %zd. Wait SSF %d\n", |
2f9606b3 AL |
1381 | vs->output.buffer, vs->output.capacity, vs->output.offset, |
1382 | vs->sasl.waitWriteSSF); | |
1383 | ||
1384 | if (vs->sasl.conn && | |
1385 | vs->sasl.runSSF && | |
1386 | vs->sasl.waitWriteSSF) { | |
1387 | ret = vnc_client_write_buf(vs, vs->output.buffer, vs->sasl.waitWriteSSF); | |
1388 | if (ret) | |
1389 | vs->sasl.waitWriteSSF -= ret; | |
1390 | } else | |
1391 | #endif /* CONFIG_VNC_SASL */ | |
1392 | ret = vnc_client_write_buf(vs, vs->output.buffer, vs->output.offset); | |
24236869 | 1393 | if (!ret) |
2f9606b3 | 1394 | return 0; |
24236869 | 1395 | |
32ed2680 | 1396 | buffer_advance(&vs->output, ret); |
24236869 FB |
1397 | |
1398 | if (vs->output.offset == 0) { | |
82e1cc4b | 1399 | qemu_set_fd_handler(vs->csock, vnc_client_read, NULL, vs); |
24236869 | 1400 | } |
2f9606b3 AL |
1401 | |
1402 | return ret; | |
1403 | } | |
1404 | ||
1405 | ||
1406 | /* | |
1407 | * First function called whenever there is data to be written to | |
1408 | * the client socket. Will delegate actual work according to whether | |
1409 | * SASL SSF layers are enabled (thus requiring encryption calls) | |
1410 | */ | |
bd023f95 | 1411 | static void vnc_client_write_locked(void *opaque) |
2f9606b3 | 1412 | { |
2f9606b3 AL |
1413 | VncState *vs = opaque; |
1414 | ||
1415 | #ifdef CONFIG_VNC_SASL | |
1416 | if (vs->sasl.conn && | |
1417 | vs->sasl.runSSF && | |
9678d950 BS |
1418 | !vs->sasl.waitWriteSSF) { |
1419 | vnc_client_write_sasl(vs); | |
1420 | } else | |
2f9606b3 | 1421 | #endif /* CONFIG_VNC_SASL */ |
7536ee4b | 1422 | { |
7536ee4b TH |
1423 | if (vs->encode_ws) { |
1424 | vnc_client_write_ws(vs); | |
8e9b0d24 | 1425 | } else { |
7536ee4b TH |
1426 | vnc_client_write_plain(vs); |
1427 | } | |
1428 | } | |
24236869 FB |
1429 | } |
1430 | ||
bd023f95 CC |
1431 | void vnc_client_write(void *opaque) |
1432 | { | |
1433 | VncState *vs = opaque; | |
1434 | ||
1435 | vnc_lock_output(vs); | |
8e9b0d24 | 1436 | if (vs->output.offset || vs->ws_output.offset) { |
bd023f95 | 1437 | vnc_client_write_locked(opaque); |
ac71103d | 1438 | } else if (vs->csock != -1) { |
82e1cc4b | 1439 | qemu_set_fd_handler(vs->csock, vnc_client_read, NULL, vs); |
bd023f95 CC |
1440 | } |
1441 | vnc_unlock_output(vs); | |
1442 | } | |
1443 | ||
5fb6c7a8 | 1444 | void vnc_read_when(VncState *vs, VncReadEvent *func, size_t expecting) |
24236869 FB |
1445 | { |
1446 | vs->read_handler = func; | |
1447 | vs->read_handler_expect = expecting; | |
1448 | } | |
1449 | ||
2f9606b3 AL |
1450 | |
1451 | /* | |
1452 | * Called to read a chunk of data from the client socket. The data may | |
1453 | * be the raw data, or may need to be further decoded by SASL. | |
1454 | * The data will be read either straight from to the socket, or | |
1455 | * read via the GNUTLS wrappers, if TLS/SSL encryption is enabled | |
1456 | * | |
1457 | * NB, it is theoretically possible to have 2 layers of encryption, | |
1458 | * both SASL, and this TLS layer. It is highly unlikely in practice | |
1459 | * though, since SASL encryption will typically be a no-op if TLS | |
1460 | * is active | |
1461 | * | |
1462 | * Returns the number of bytes read, which may be less than | |
1463 | * the requested 'datalen' if the socket would block. Returns | |
1464 | * -1 on error, and disconnects the client socket. | |
1465 | */ | |
fdd1ab6a | 1466 | ssize_t vnc_client_read_buf(VncState *vs, uint8_t *data, size_t datalen) |
24236869 | 1467 | { |
fdd1ab6a | 1468 | ssize_t ret; |
3e305e4a DB |
1469 | int err = -1; |
1470 | if (vs->tls) { | |
1471 | ret = qcrypto_tls_session_read(vs->tls, (char *)data, datalen); | |
1472 | if (ret < 0) { | |
1473 | err = errno; | |
1474 | } | |
0057a0d5 | 1475 | } else { |
7b45a00d | 1476 | ret = qemu_recv(vs->csock, data, datalen, 0); |
3e305e4a DB |
1477 | if (ret < 0) { |
1478 | err = socket_error(); | |
1479 | } | |
0057a0d5 | 1480 | } |
23decc87 | 1481 | VNC_DEBUG("Read wire %p %zd -> %ld\n", data, datalen, ret); |
3e305e4a | 1482 | return vnc_client_io_error(vs, ret, err); |
2f9606b3 | 1483 | } |
24236869 | 1484 | |
2f9606b3 AL |
1485 | |
1486 | /* | |
1487 | * Called to read data from the client socket to the input buffer, | |
1488 | * when not using any SASL SSF encryption layers. Will read as much | |
1489 | * data as possible without blocking. | |
1490 | * | |
1491 | * Returns the number of bytes read. Returns -1 on error, and | |
1492 | * disconnects the client socket. | |
1493 | */ | |
fdd1ab6a | 1494 | static ssize_t vnc_client_read_plain(VncState *vs) |
2f9606b3 | 1495 | { |
fdd1ab6a | 1496 | ssize_t ret; |
23decc87 | 1497 | VNC_DEBUG("Read plain %p size %zd offset %zd\n", |
2f9606b3 AL |
1498 | vs->input.buffer, vs->input.capacity, vs->input.offset); |
1499 | buffer_reserve(&vs->input, 4096); | |
1500 | ret = vnc_client_read_buf(vs, buffer_end(&vs->input), 4096); | |
1501 | if (!ret) | |
1502 | return 0; | |
24236869 | 1503 | vs->input.offset += ret; |
2f9606b3 AL |
1504 | return ret; |
1505 | } | |
1506 | ||
175b2a6e CC |
1507 | static void vnc_jobs_bh(void *opaque) |
1508 | { | |
1509 | VncState *vs = opaque; | |
1510 | ||
1511 | vnc_jobs_consume_buffer(vs); | |
1512 | } | |
2f9606b3 AL |
1513 | |
1514 | /* | |
1515 | * First function called whenever there is more data to be read from | |
1516 | * the client socket. Will delegate actual work according to whether | |
1517 | * SASL SSF layers are enabled (thus requiring decryption calls) | |
1518 | */ | |
1519 | void vnc_client_read(void *opaque) | |
1520 | { | |
1521 | VncState *vs = opaque; | |
fdd1ab6a | 1522 | ssize_t ret; |
2f9606b3 AL |
1523 | |
1524 | #ifdef CONFIG_VNC_SASL | |
1525 | if (vs->sasl.conn && vs->sasl.runSSF) | |
1526 | ret = vnc_client_read_sasl(vs); | |
1527 | else | |
1528 | #endif /* CONFIG_VNC_SASL */ | |
7536ee4b TH |
1529 | if (vs->encode_ws) { |
1530 | ret = vnc_client_read_ws(vs); | |
1531 | if (ret == -1) { | |
1532 | vnc_disconnect_start(vs); | |
1533 | return; | |
1534 | } else if (ret == -2) { | |
1535 | vnc_client_error(vs); | |
1536 | return; | |
1537 | } | |
8e9b0d24 DB |
1538 | } else { |
1539 | ret = vnc_client_read_plain(vs); | |
7536ee4b | 1540 | } |
198a0039 GH |
1541 | if (!ret) { |
1542 | if (vs->csock == -1) | |
1543 | vnc_disconnect_finish(vs); | |
28a76be8 | 1544 | return; |
198a0039 | 1545 | } |
24236869 FB |
1546 | |
1547 | while (vs->read_handler && vs->input.offset >= vs->read_handler_expect) { | |
28a76be8 AL |
1548 | size_t len = vs->read_handler_expect; |
1549 | int ret; | |
1550 | ||
1551 | ret = vs->read_handler(vs, vs->input.buffer, len); | |
198a0039 GH |
1552 | if (vs->csock == -1) { |
1553 | vnc_disconnect_finish(vs); | |
28a76be8 | 1554 | return; |
198a0039 | 1555 | } |
28a76be8 AL |
1556 | |
1557 | if (!ret) { | |
32ed2680 | 1558 | buffer_advance(&vs->input, len); |
28a76be8 AL |
1559 | } else { |
1560 | vs->read_handler_expect = ret; | |
1561 | } | |
24236869 FB |
1562 | } |
1563 | } | |
1564 | ||
5fb6c7a8 | 1565 | void vnc_write(VncState *vs, const void *data, size_t len) |
24236869 FB |
1566 | { |
1567 | buffer_reserve(&vs->output, len); | |
1568 | ||
198a0039 | 1569 | if (vs->csock != -1 && buffer_empty(&vs->output)) { |
82e1cc4b | 1570 | qemu_set_fd_handler(vs->csock, vnc_client_read, vnc_client_write, vs); |
24236869 FB |
1571 | } |
1572 | ||
1573 | buffer_append(&vs->output, data, len); | |
1574 | } | |
1575 | ||
5fb6c7a8 | 1576 | void vnc_write_s32(VncState *vs, int32_t value) |
24236869 FB |
1577 | { |
1578 | vnc_write_u32(vs, *(uint32_t *)&value); | |
1579 | } | |
1580 | ||
5fb6c7a8 | 1581 | void vnc_write_u32(VncState *vs, uint32_t value) |
24236869 FB |
1582 | { |
1583 | uint8_t buf[4]; | |
1584 | ||
1585 | buf[0] = (value >> 24) & 0xFF; | |
1586 | buf[1] = (value >> 16) & 0xFF; | |
1587 | buf[2] = (value >> 8) & 0xFF; | |
1588 | buf[3] = value & 0xFF; | |
1589 | ||
1590 | vnc_write(vs, buf, 4); | |
1591 | } | |
1592 | ||
5fb6c7a8 | 1593 | void vnc_write_u16(VncState *vs, uint16_t value) |
24236869 | 1594 | { |
64f5a135 | 1595 | uint8_t buf[2]; |
24236869 FB |
1596 | |
1597 | buf[0] = (value >> 8) & 0xFF; | |
1598 | buf[1] = value & 0xFF; | |
1599 | ||
1600 | vnc_write(vs, buf, 2); | |
1601 | } | |
1602 | ||
5fb6c7a8 | 1603 | void vnc_write_u8(VncState *vs, uint8_t value) |
24236869 FB |
1604 | { |
1605 | vnc_write(vs, (char *)&value, 1); | |
1606 | } | |
1607 | ||
5fb6c7a8 | 1608 | void vnc_flush(VncState *vs) |
24236869 | 1609 | { |
bd023f95 | 1610 | vnc_lock_output(vs); |
8e9b0d24 DB |
1611 | if (vs->csock != -1 && (vs->output.offset || |
1612 | vs->ws_output.offset)) { | |
bd023f95 CC |
1613 | vnc_client_write_locked(vs); |
1614 | } | |
1615 | vnc_unlock_output(vs); | |
24236869 FB |
1616 | } |
1617 | ||
71a8cdec | 1618 | static uint8_t read_u8(uint8_t *data, size_t offset) |
24236869 FB |
1619 | { |
1620 | return data[offset]; | |
1621 | } | |
1622 | ||
71a8cdec | 1623 | static uint16_t read_u16(uint8_t *data, size_t offset) |
24236869 FB |
1624 | { |
1625 | return ((data[offset] & 0xFF) << 8) | (data[offset + 1] & 0xFF); | |
1626 | } | |
1627 | ||
71a8cdec | 1628 | static int32_t read_s32(uint8_t *data, size_t offset) |
24236869 FB |
1629 | { |
1630 | return (int32_t)((data[offset] << 24) | (data[offset + 1] << 16) | | |
28a76be8 | 1631 | (data[offset + 2] << 8) | data[offset + 3]); |
24236869 FB |
1632 | } |
1633 | ||
5fb6c7a8 | 1634 | uint32_t read_u32(uint8_t *data, size_t offset) |
24236869 FB |
1635 | { |
1636 | return ((data[offset] << 24) | (data[offset + 1] << 16) | | |
28a76be8 | 1637 | (data[offset + 2] << 8) | data[offset + 3]); |
24236869 FB |
1638 | } |
1639 | ||
60fe76f3 | 1640 | static void client_cut_text(VncState *vs, size_t len, uint8_t *text) |
24236869 FB |
1641 | { |
1642 | } | |
1643 | ||
9e8dd451 | 1644 | static void check_pointer_type_change(Notifier *notifier, void *data) |
564c337e | 1645 | { |
37c34d9d | 1646 | VncState *vs = container_of(notifier, VncState, mouse_mode_notifier); |
14768eba | 1647 | int absolute = qemu_input_is_absolute(); |
37c34d9d | 1648 | |
29fa4ed9 | 1649 | if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE) && vs->absolute != absolute) { |
bd023f95 | 1650 | vnc_lock_output(vs); |
46a183da | 1651 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
28a76be8 AL |
1652 | vnc_write_u8(vs, 0); |
1653 | vnc_write_u16(vs, 1); | |
1654 | vnc_framebuffer_update(vs, absolute, 0, | |
bea60dd7 PL |
1655 | pixman_image_get_width(vs->vd->server), |
1656 | pixman_image_get_height(vs->vd->server), | |
29fa4ed9 | 1657 | VNC_ENCODING_POINTER_TYPE_CHANGE); |
bd023f95 | 1658 | vnc_unlock_output(vs); |
28a76be8 | 1659 | vnc_flush(vs); |
564c337e FB |
1660 | } |
1661 | vs->absolute = absolute; | |
1662 | } | |
1663 | ||
24236869 FB |
1664 | static void pointer_event(VncState *vs, int button_mask, int x, int y) |
1665 | { | |
14768eba GH |
1666 | static uint32_t bmap[INPUT_BUTTON_MAX] = { |
1667 | [INPUT_BUTTON_LEFT] = 0x01, | |
1668 | [INPUT_BUTTON_MIDDLE] = 0x02, | |
1669 | [INPUT_BUTTON_RIGHT] = 0x04, | |
1670 | [INPUT_BUTTON_WHEEL_UP] = 0x08, | |
1671 | [INPUT_BUTTON_WHEEL_DOWN] = 0x10, | |
1672 | }; | |
1673 | QemuConsole *con = vs->vd->dcl.con; | |
bea60dd7 PL |
1674 | int width = pixman_image_get_width(vs->vd->server); |
1675 | int height = pixman_image_get_height(vs->vd->server); | |
24236869 | 1676 | |
14768eba GH |
1677 | if (vs->last_bmask != button_mask) { |
1678 | qemu_input_update_buttons(con, bmap, vs->last_bmask, button_mask); | |
1679 | vs->last_bmask = button_mask; | |
1680 | } | |
564c337e FB |
1681 | |
1682 | if (vs->absolute) { | |
14768eba GH |
1683 | qemu_input_queue_abs(con, INPUT_AXIS_X, x, width); |
1684 | qemu_input_queue_abs(con, INPUT_AXIS_Y, y, height); | |
29fa4ed9 | 1685 | } else if (vnc_has_feature(vs, VNC_FEATURE_POINTER_TYPE_CHANGE)) { |
14768eba GH |
1686 | qemu_input_queue_rel(con, INPUT_AXIS_X, x - 0x7FFF); |
1687 | qemu_input_queue_rel(con, INPUT_AXIS_Y, y - 0x7FFF); | |
564c337e | 1688 | } else { |
14768eba GH |
1689 | if (vs->last_x != -1) { |
1690 | qemu_input_queue_rel(con, INPUT_AXIS_X, x - vs->last_x); | |
1691 | qemu_input_queue_rel(con, INPUT_AXIS_Y, y - vs->last_y); | |
1692 | } | |
28a76be8 AL |
1693 | vs->last_x = x; |
1694 | vs->last_y = y; | |
24236869 | 1695 | } |
14768eba | 1696 | qemu_input_event_sync(); |
24236869 FB |
1697 | } |
1698 | ||
64f5a135 FB |
1699 | static void reset_keys(VncState *vs) |
1700 | { | |
1701 | int i; | |
1702 | for(i = 0; i < 256; i++) { | |
1703 | if (vs->modifiers_state[i]) { | |
8d447d10 | 1704 | qemu_input_event_send_key_number(vs->vd->dcl.con, i, false); |
64f5a135 FB |
1705 | vs->modifiers_state[i] = 0; |
1706 | } | |
1707 | } | |
1708 | } | |
1709 | ||
a528b80c AZ |
1710 | static void press_key(VncState *vs, int keysym) |
1711 | { | |
44bb61c8 | 1712 | int keycode = keysym2scancode(vs->vd->kbd_layout, keysym) & SCANCODE_KEYMASK; |
8d447d10 | 1713 | qemu_input_event_send_key_number(vs->vd->dcl.con, keycode, true); |
2deb4acc | 1714 | qemu_input_event_send_key_delay(0); |
8d447d10 | 1715 | qemu_input_event_send_key_number(vs->vd->dcl.con, keycode, false); |
2deb4acc | 1716 | qemu_input_event_send_key_delay(0); |
a528b80c AZ |
1717 | } |
1718 | ||
ab99e5c1 LL |
1719 | static int current_led_state(VncState *vs) |
1720 | { | |
1721 | int ledstate = 0; | |
1722 | ||
1723 | if (vs->modifiers_state[0x46]) { | |
1724 | ledstate |= QEMU_SCROLL_LOCK_LED; | |
1725 | } | |
1726 | if (vs->modifiers_state[0x45]) { | |
1727 | ledstate |= QEMU_NUM_LOCK_LED; | |
1728 | } | |
1729 | if (vs->modifiers_state[0x3a]) { | |
1730 | ledstate |= QEMU_CAPS_LOCK_LED; | |
1731 | } | |
1732 | ||
1733 | return ledstate; | |
1734 | } | |
1735 | ||
1736 | static void vnc_led_state_change(VncState *vs) | |
1737 | { | |
1738 | int ledstate = 0; | |
1739 | ||
1740 | if (!vnc_has_feature(vs, VNC_FEATURE_LED_STATE)) { | |
1741 | return; | |
1742 | } | |
1743 | ||
1744 | ledstate = current_led_state(vs); | |
1745 | vnc_lock_output(vs); | |
1746 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); | |
1747 | vnc_write_u8(vs, 0); | |
1748 | vnc_write_u16(vs, 1); | |
1749 | vnc_framebuffer_update(vs, 0, 0, 1, 1, VNC_ENCODING_LED_STATE); | |
1750 | vnc_write_u8(vs, ledstate); | |
1751 | vnc_unlock_output(vs); | |
1752 | vnc_flush(vs); | |
1753 | } | |
1754 | ||
7ffb82ca GH |
1755 | static void kbd_leds(void *opaque, int ledstate) |
1756 | { | |
1757 | VncState *vs = opaque; | |
96f3d174 | 1758 | int caps, num, scr; |
1483adcf | 1759 | bool has_changed = (ledstate != current_led_state(vs)); |
7ffb82ca | 1760 | |
40066175 GH |
1761 | trace_vnc_key_guest_leds((ledstate & QEMU_CAPS_LOCK_LED), |
1762 | (ledstate & QEMU_NUM_LOCK_LED), | |
1763 | (ledstate & QEMU_SCROLL_LOCK_LED)); | |
1764 | ||
7ffb82ca GH |
1765 | caps = ledstate & QEMU_CAPS_LOCK_LED ? 1 : 0; |
1766 | num = ledstate & QEMU_NUM_LOCK_LED ? 1 : 0; | |
96f3d174 | 1767 | scr = ledstate & QEMU_SCROLL_LOCK_LED ? 1 : 0; |
7ffb82ca GH |
1768 | |
1769 | if (vs->modifiers_state[0x3a] != caps) { | |
1770 | vs->modifiers_state[0x3a] = caps; | |
1771 | } | |
1772 | if (vs->modifiers_state[0x45] != num) { | |
1773 | vs->modifiers_state[0x45] = num; | |
1774 | } | |
96f3d174 LL |
1775 | if (vs->modifiers_state[0x46] != scr) { |
1776 | vs->modifiers_state[0x46] = scr; | |
1777 | } | |
ab99e5c1 LL |
1778 | |
1779 | /* Sending the current led state message to the client */ | |
1483adcf | 1780 | if (has_changed) { |
ab99e5c1 LL |
1781 | vnc_led_state_change(vs); |
1782 | } | |
7ffb82ca GH |
1783 | } |
1784 | ||
9ca313aa | 1785 | static void do_key_event(VncState *vs, int down, int keycode, int sym) |
24236869 | 1786 | { |
64f5a135 FB |
1787 | /* QEMU console switch */ |
1788 | switch(keycode) { | |
1789 | case 0x2a: /* Left Shift */ | |
1790 | case 0x36: /* Right Shift */ | |
1791 | case 0x1d: /* Left CTRL */ | |
1792 | case 0x9d: /* Right CTRL */ | |
1793 | case 0x38: /* Left ALT */ | |
1794 | case 0xb8: /* Right ALT */ | |
1795 | if (down) | |
1796 | vs->modifiers_state[keycode] = 1; | |
1797 | else | |
1798 | vs->modifiers_state[keycode] = 0; | |
1799 | break; | |
5fafdf24 | 1800 | case 0x02 ... 0x0a: /* '1' to '9' keys */ |
1d0d59fe GH |
1801 | if (vs->vd->dcl.con == NULL && |
1802 | down && vs->modifiers_state[0x1d] && vs->modifiers_state[0x38]) { | |
64f5a135 FB |
1803 | /* Reset the modifiers sent to the current console */ |
1804 | reset_keys(vs); | |
1805 | console_select(keycode - 0x02); | |
1806 | return; | |
1807 | } | |
1808 | break; | |
28a76be8 AL |
1809 | case 0x3a: /* CapsLock */ |
1810 | case 0x45: /* NumLock */ | |
7ffb82ca | 1811 | if (down) |
a528b80c AZ |
1812 | vs->modifiers_state[keycode] ^= 1; |
1813 | break; | |
1814 | } | |
1815 | ||
e7b2aacc LL |
1816 | /* Turn off the lock state sync logic if the client support the led |
1817 | state extension. | |
1818 | */ | |
9892088b | 1819 | if (down && vs->vd->lock_key_sync && |
e7b2aacc | 1820 | !vnc_has_feature(vs, VNC_FEATURE_LED_STATE) && |
3a0558b5 | 1821 | keycode_is_keypad(vs->vd->kbd_layout, keycode)) { |
a528b80c AZ |
1822 | /* If the numlock state needs to change then simulate an additional |
1823 | keypress before sending this one. This will happen if the user | |
1824 | toggles numlock away from the VNC window. | |
1825 | */ | |
753b4053 | 1826 | if (keysym_is_numlock(vs->vd->kbd_layout, sym & 0xFFFF)) { |
a528b80c | 1827 | if (!vs->modifiers_state[0x45]) { |
40066175 | 1828 | trace_vnc_key_sync_numlock(true); |
a528b80c AZ |
1829 | vs->modifiers_state[0x45] = 1; |
1830 | press_key(vs, 0xff7f); | |
1831 | } | |
1832 | } else { | |
1833 | if (vs->modifiers_state[0x45]) { | |
40066175 | 1834 | trace_vnc_key_sync_numlock(false); |
a528b80c AZ |
1835 | vs->modifiers_state[0x45] = 0; |
1836 | press_key(vs, 0xff7f); | |
1837 | } | |
1838 | } | |
64f5a135 | 1839 | } |
24236869 | 1840 | |
9892088b | 1841 | if (down && vs->vd->lock_key_sync && |
e7b2aacc | 1842 | !vnc_has_feature(vs, VNC_FEATURE_LED_STATE) && |
3a0558b5 | 1843 | ((sym >= 'A' && sym <= 'Z') || (sym >= 'a' && sym <= 'z'))) { |
6b132502 GH |
1844 | /* If the capslock state needs to change then simulate an additional |
1845 | keypress before sending this one. This will happen if the user | |
1846 | toggles capslock away from the VNC window. | |
1847 | */ | |
1848 | int uppercase = !!(sym >= 'A' && sym <= 'Z'); | |
1849 | int shift = !!(vs->modifiers_state[0x2a] | vs->modifiers_state[0x36]); | |
1850 | int capslock = !!(vs->modifiers_state[0x3a]); | |
1851 | if (capslock) { | |
1852 | if (uppercase == shift) { | |
40066175 | 1853 | trace_vnc_key_sync_capslock(false); |
6b132502 GH |
1854 | vs->modifiers_state[0x3a] = 0; |
1855 | press_key(vs, 0xffe5); | |
1856 | } | |
1857 | } else { | |
1858 | if (uppercase != shift) { | |
40066175 | 1859 | trace_vnc_key_sync_capslock(true); |
6b132502 GH |
1860 | vs->modifiers_state[0x3a] = 1; |
1861 | press_key(vs, 0xffe5); | |
1862 | } | |
1863 | } | |
1864 | } | |
1865 | ||
81c0d5a6 | 1866 | if (qemu_console_is_graphic(NULL)) { |
8d447d10 | 1867 | qemu_input_event_send_key_number(vs->vd->dcl.con, keycode, down); |
64f5a135 | 1868 | } else { |
e26437c2 GH |
1869 | bool numlock = vs->modifiers_state[0x45]; |
1870 | bool control = (vs->modifiers_state[0x1d] || | |
1871 | vs->modifiers_state[0x9d]); | |
64f5a135 FB |
1872 | /* QEMU console emulation */ |
1873 | if (down) { | |
1874 | switch (keycode) { | |
1875 | case 0x2a: /* Left Shift */ | |
1876 | case 0x36: /* Right Shift */ | |
1877 | case 0x1d: /* Left CTRL */ | |
1878 | case 0x9d: /* Right CTRL */ | |
1879 | case 0x38: /* Left ALT */ | |
1880 | case 0xb8: /* Right ALT */ | |
1881 | break; | |
1882 | case 0xc8: | |
1883 | kbd_put_keysym(QEMU_KEY_UP); | |
1884 | break; | |
1885 | case 0xd0: | |
1886 | kbd_put_keysym(QEMU_KEY_DOWN); | |
1887 | break; | |
1888 | case 0xcb: | |
1889 | kbd_put_keysym(QEMU_KEY_LEFT); | |
1890 | break; | |
1891 | case 0xcd: | |
1892 | kbd_put_keysym(QEMU_KEY_RIGHT); | |
1893 | break; | |
1894 | case 0xd3: | |
1895 | kbd_put_keysym(QEMU_KEY_DELETE); | |
1896 | break; | |
1897 | case 0xc7: | |
1898 | kbd_put_keysym(QEMU_KEY_HOME); | |
1899 | break; | |
1900 | case 0xcf: | |
1901 | kbd_put_keysym(QEMU_KEY_END); | |
1902 | break; | |
1903 | case 0xc9: | |
1904 | kbd_put_keysym(QEMU_KEY_PAGEUP); | |
1905 | break; | |
1906 | case 0xd1: | |
1907 | kbd_put_keysym(QEMU_KEY_PAGEDOWN); | |
1908 | break; | |
bb0a18e1 GH |
1909 | |
1910 | case 0x47: | |
1911 | kbd_put_keysym(numlock ? '7' : QEMU_KEY_HOME); | |
1912 | break; | |
1913 | case 0x48: | |
1914 | kbd_put_keysym(numlock ? '8' : QEMU_KEY_UP); | |
1915 | break; | |
1916 | case 0x49: | |
1917 | kbd_put_keysym(numlock ? '9' : QEMU_KEY_PAGEUP); | |
1918 | break; | |
1919 | case 0x4b: | |
1920 | kbd_put_keysym(numlock ? '4' : QEMU_KEY_LEFT); | |
1921 | break; | |
1922 | case 0x4c: | |
1923 | kbd_put_keysym('5'); | |
1924 | break; | |
1925 | case 0x4d: | |
1926 | kbd_put_keysym(numlock ? '6' : QEMU_KEY_RIGHT); | |
1927 | break; | |
1928 | case 0x4f: | |
1929 | kbd_put_keysym(numlock ? '1' : QEMU_KEY_END); | |
1930 | break; | |
1931 | case 0x50: | |
1932 | kbd_put_keysym(numlock ? '2' : QEMU_KEY_DOWN); | |
1933 | break; | |
1934 | case 0x51: | |
1935 | kbd_put_keysym(numlock ? '3' : QEMU_KEY_PAGEDOWN); | |
1936 | break; | |
1937 | case 0x52: | |
1938 | kbd_put_keysym('0'); | |
1939 | break; | |
1940 | case 0x53: | |
1941 | kbd_put_keysym(numlock ? '.' : QEMU_KEY_DELETE); | |
1942 | break; | |
1943 | ||
1944 | case 0xb5: | |
1945 | kbd_put_keysym('/'); | |
1946 | break; | |
1947 | case 0x37: | |
1948 | kbd_put_keysym('*'); | |
1949 | break; | |
1950 | case 0x4a: | |
1951 | kbd_put_keysym('-'); | |
1952 | break; | |
1953 | case 0x4e: | |
1954 | kbd_put_keysym('+'); | |
1955 | break; | |
1956 | case 0x9c: | |
1957 | kbd_put_keysym('\n'); | |
1958 | break; | |
1959 | ||
64f5a135 | 1960 | default: |
e26437c2 GH |
1961 | if (control) { |
1962 | kbd_put_keysym(sym & 0x1f); | |
1963 | } else { | |
1964 | kbd_put_keysym(sym); | |
1965 | } | |
64f5a135 FB |
1966 | break; |
1967 | } | |
1968 | } | |
1969 | } | |
24236869 FB |
1970 | } |
1971 | ||
7bc9318b GH |
1972 | static void vnc_release_modifiers(VncState *vs) |
1973 | { | |
1974 | static const int keycodes[] = { | |
1975 | /* shift, control, alt keys, both left & right */ | |
1976 | 0x2a, 0x36, 0x1d, 0x9d, 0x38, 0xb8, | |
1977 | }; | |
1978 | int i, keycode; | |
1979 | ||
81c0d5a6 | 1980 | if (!qemu_console_is_graphic(NULL)) { |
7bc9318b GH |
1981 | return; |
1982 | } | |
1983 | for (i = 0; i < ARRAY_SIZE(keycodes); i++) { | |
1984 | keycode = keycodes[i]; | |
1985 | if (!vs->modifiers_state[keycode]) { | |
1986 | continue; | |
1987 | } | |
8d447d10 | 1988 | qemu_input_event_send_key_number(vs->vd->dcl.con, keycode, false); |
7bc9318b GH |
1989 | } |
1990 | } | |
1991 | ||
40066175 GH |
1992 | static const char *code2name(int keycode) |
1993 | { | |
1994 | return QKeyCode_lookup[qemu_input_key_number_to_qcode(keycode)]; | |
1995 | } | |
1996 | ||
bdbd7676 FB |
1997 | static void key_event(VncState *vs, int down, uint32_t sym) |
1998 | { | |
9ca313aa | 1999 | int keycode; |
4a93fe17 | 2000 | int lsym = sym; |
9ca313aa | 2001 | |
81c0d5a6 | 2002 | if (lsym >= 'A' && lsym <= 'Z' && qemu_console_is_graphic(NULL)) { |
4a93fe17 GH |
2003 | lsym = lsym - 'A' + 'a'; |
2004 | } | |
9ca313aa | 2005 | |
44bb61c8 | 2006 | keycode = keysym2scancode(vs->vd->kbd_layout, lsym & 0xFFFF) & SCANCODE_KEYMASK; |
40066175 | 2007 | trace_vnc_key_event_map(down, sym, keycode, code2name(keycode)); |
9ca313aa AL |
2008 | do_key_event(vs, down, keycode, sym); |
2009 | } | |
2010 | ||
2011 | static void ext_key_event(VncState *vs, int down, | |
2012 | uint32_t sym, uint16_t keycode) | |
2013 | { | |
2014 | /* if the user specifies a keyboard layout, always use it */ | |
40066175 | 2015 | if (keyboard_layout) { |
9ca313aa | 2016 | key_event(vs, down, sym); |
40066175 GH |
2017 | } else { |
2018 | trace_vnc_key_event_ext(down, sym, keycode, code2name(keycode)); | |
9ca313aa | 2019 | do_key_event(vs, down, keycode, sym); |
40066175 | 2020 | } |
bdbd7676 FB |
2021 | } |
2022 | ||
24236869 | 2023 | static void framebuffer_update_request(VncState *vs, int incremental, |
bea60dd7 | 2024 | int x, int y, int w, int h) |
24236869 | 2025 | { |
bea60dd7 PL |
2026 | int width = pixman_image_get_width(vs->vd->server); |
2027 | int height = pixman_image_get_height(vs->vd->server); | |
cf2d385c | 2028 | |
24236869 | 2029 | vs->need_update = 1; |
bea60dd7 PL |
2030 | |
2031 | if (incremental) { | |
2032 | return; | |
24236869 | 2033 | } |
bea60dd7 | 2034 | |
07535a89 | 2035 | vs->force_update = 1; |
bea60dd7 | 2036 | vnc_set_area_dirty(vs->dirty, width, height, x, y, w, h); |
24236869 FB |
2037 | } |
2038 | ||
9ca313aa AL |
2039 | static void send_ext_key_event_ack(VncState *vs) |
2040 | { | |
bd023f95 | 2041 | vnc_lock_output(vs); |
46a183da | 2042 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
9ca313aa AL |
2043 | vnc_write_u8(vs, 0); |
2044 | vnc_write_u16(vs, 1); | |
d39fa6d8 | 2045 | vnc_framebuffer_update(vs, 0, 0, |
bea60dd7 PL |
2046 | pixman_image_get_width(vs->vd->server), |
2047 | pixman_image_get_height(vs->vd->server), | |
29fa4ed9 | 2048 | VNC_ENCODING_EXT_KEY_EVENT); |
bd023f95 | 2049 | vnc_unlock_output(vs); |
9ca313aa AL |
2050 | vnc_flush(vs); |
2051 | } | |
2052 | ||
429a8ed3 | 2053 | static void send_ext_audio_ack(VncState *vs) |
2054 | { | |
bd023f95 | 2055 | vnc_lock_output(vs); |
46a183da | 2056 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
429a8ed3 | 2057 | vnc_write_u8(vs, 0); |
2058 | vnc_write_u16(vs, 1); | |
d39fa6d8 | 2059 | vnc_framebuffer_update(vs, 0, 0, |
bea60dd7 PL |
2060 | pixman_image_get_width(vs->vd->server), |
2061 | pixman_image_get_height(vs->vd->server), | |
29fa4ed9 | 2062 | VNC_ENCODING_AUDIO); |
bd023f95 | 2063 | vnc_unlock_output(vs); |
429a8ed3 | 2064 | vnc_flush(vs); |
2065 | } | |
2066 | ||
24236869 FB |
2067 | static void set_encodings(VncState *vs, int32_t *encodings, size_t n_encodings) |
2068 | { | |
2069 | int i; | |
29fa4ed9 | 2070 | unsigned int enc = 0; |
24236869 | 2071 | |
29fa4ed9 | 2072 | vs->features = 0; |
a9f20d31 | 2073 | vs->vnc_encoding = 0; |
d1af0e05 CC |
2074 | vs->tight.compression = 9; |
2075 | vs->tight.quality = -1; /* Lossless by default */ | |
564c337e | 2076 | vs->absolute = -1; |
24236869 | 2077 | |
8a0f0d0c CC |
2078 | /* |
2079 | * Start from the end because the encodings are sent in order of preference. | |
e5bed759 | 2080 | * This way the preferred encoding (first encoding defined in the array) |
8a0f0d0c CC |
2081 | * will be set at the end of the loop. |
2082 | */ | |
24236869 | 2083 | for (i = n_encodings - 1; i >= 0; i--) { |
29fa4ed9 AL |
2084 | enc = encodings[i]; |
2085 | switch (enc) { | |
2086 | case VNC_ENCODING_RAW: | |
a9f20d31 | 2087 | vs->vnc_encoding = enc; |
29fa4ed9 AL |
2088 | break; |
2089 | case VNC_ENCODING_COPYRECT: | |
753b4053 | 2090 | vs->features |= VNC_FEATURE_COPYRECT_MASK; |
29fa4ed9 AL |
2091 | break; |
2092 | case VNC_ENCODING_HEXTILE: | |
2093 | vs->features |= VNC_FEATURE_HEXTILE_MASK; | |
a9f20d31 | 2094 | vs->vnc_encoding = enc; |
29fa4ed9 | 2095 | break; |
380282b0 CC |
2096 | case VNC_ENCODING_TIGHT: |
2097 | vs->features |= VNC_FEATURE_TIGHT_MASK; | |
2098 | vs->vnc_encoding = enc; | |
2099 | break; | |
fe3e7f2d | 2100 | #ifdef CONFIG_VNC_PNG |
efe556ad CC |
2101 | case VNC_ENCODING_TIGHT_PNG: |
2102 | vs->features |= VNC_FEATURE_TIGHT_PNG_MASK; | |
2103 | vs->vnc_encoding = enc; | |
2104 | break; | |
fe3e7f2d | 2105 | #endif |
059cef40 AL |
2106 | case VNC_ENCODING_ZLIB: |
2107 | vs->features |= VNC_FEATURE_ZLIB_MASK; | |
a9f20d31 | 2108 | vs->vnc_encoding = enc; |
059cef40 | 2109 | break; |
148954fa CC |
2110 | case VNC_ENCODING_ZRLE: |
2111 | vs->features |= VNC_FEATURE_ZRLE_MASK; | |
2112 | vs->vnc_encoding = enc; | |
2113 | break; | |
2114 | case VNC_ENCODING_ZYWRLE: | |
2115 | vs->features |= VNC_FEATURE_ZYWRLE_MASK; | |
2116 | vs->vnc_encoding = enc; | |
2117 | break; | |
29fa4ed9 AL |
2118 | case VNC_ENCODING_DESKTOPRESIZE: |
2119 | vs->features |= VNC_FEATURE_RESIZE_MASK; | |
2120 | break; | |
2121 | case VNC_ENCODING_POINTER_TYPE_CHANGE: | |
2122 | vs->features |= VNC_FEATURE_POINTER_TYPE_CHANGE_MASK; | |
2123 | break; | |
d467b679 GH |
2124 | case VNC_ENCODING_RICH_CURSOR: |
2125 | vs->features |= VNC_FEATURE_RICH_CURSOR_MASK; | |
2126 | break; | |
29fa4ed9 | 2127 | case VNC_ENCODING_EXT_KEY_EVENT: |
9ca313aa AL |
2128 | send_ext_key_event_ack(vs); |
2129 | break; | |
29fa4ed9 | 2130 | case VNC_ENCODING_AUDIO: |
429a8ed3 | 2131 | send_ext_audio_ack(vs); |
2132 | break; | |
29fa4ed9 AL |
2133 | case VNC_ENCODING_WMVi: |
2134 | vs->features |= VNC_FEATURE_WMVI_MASK; | |
ca4cca4d | 2135 | break; |
ab99e5c1 LL |
2136 | case VNC_ENCODING_LED_STATE: |
2137 | vs->features |= VNC_FEATURE_LED_STATE_MASK; | |
2138 | break; | |
fb437313 | 2139 | case VNC_ENCODING_COMPRESSLEVEL0 ... VNC_ENCODING_COMPRESSLEVEL0 + 9: |
d1af0e05 | 2140 | vs->tight.compression = (enc & 0x0F); |
fb437313 AL |
2141 | break; |
2142 | case VNC_ENCODING_QUALITYLEVEL0 ... VNC_ENCODING_QUALITYLEVEL0 + 9: | |
b31f519e CC |
2143 | if (vs->vd->lossy) { |
2144 | vs->tight.quality = (enc & 0x0F); | |
2145 | } | |
fb437313 | 2146 | break; |
29fa4ed9 AL |
2147 | default: |
2148 | VNC_DEBUG("Unknown encoding: %d (0x%.8x): %d\n", i, enc, enc); | |
2149 | break; | |
2150 | } | |
24236869 | 2151 | } |
6356e472 | 2152 | vnc_desktop_resize(vs); |
9e8dd451 | 2153 | check_pointer_type_change(&vs->mouse_mode_notifier, NULL); |
ab99e5c1 | 2154 | vnc_led_state_change(vs); |
24236869 FB |
2155 | } |
2156 | ||
6cec5487 AL |
2157 | static void set_pixel_conversion(VncState *vs) |
2158 | { | |
9f64916d GH |
2159 | pixman_format_code_t fmt = qemu_pixman_get_format(&vs->client_pf); |
2160 | ||
2161 | if (fmt == VNC_SERVER_FB_FORMAT) { | |
6cec5487 | 2162 | vs->write_pixels = vnc_write_pixels_copy; |
70a4568f | 2163 | vnc_hextile_set_pixel_conversion(vs, 0); |
6cec5487 AL |
2164 | } else { |
2165 | vs->write_pixels = vnc_write_pixels_generic; | |
70a4568f | 2166 | vnc_hextile_set_pixel_conversion(vs, 1); |
6cec5487 AL |
2167 | } |
2168 | } | |
2169 | ||
24236869 | 2170 | static void set_pixel_format(VncState *vs, |
28a76be8 AL |
2171 | int bits_per_pixel, int depth, |
2172 | int big_endian_flag, int true_color_flag, | |
2173 | int red_max, int green_max, int blue_max, | |
2174 | int red_shift, int green_shift, int blue_shift) | |
24236869 | 2175 | { |
3512779a | 2176 | if (!true_color_flag) { |
28a76be8 | 2177 | vnc_client_error(vs); |
3512779a FB |
2178 | return; |
2179 | } | |
24236869 | 2180 | |
e6908bfe PM |
2181 | switch (bits_per_pixel) { |
2182 | case 8: | |
2183 | case 16: | |
2184 | case 32: | |
2185 | break; | |
2186 | default: | |
2187 | vnc_client_error(vs); | |
2188 | return; | |
2189 | } | |
2190 | ||
9f64916d GH |
2191 | vs->client_pf.rmax = red_max; |
2192 | vs->client_pf.rbits = hweight_long(red_max); | |
2193 | vs->client_pf.rshift = red_shift; | |
2194 | vs->client_pf.rmask = red_max << red_shift; | |
2195 | vs->client_pf.gmax = green_max; | |
2196 | vs->client_pf.gbits = hweight_long(green_max); | |
2197 | vs->client_pf.gshift = green_shift; | |
2198 | vs->client_pf.gmask = green_max << green_shift; | |
2199 | vs->client_pf.bmax = blue_max; | |
2200 | vs->client_pf.bbits = hweight_long(blue_max); | |
2201 | vs->client_pf.bshift = blue_shift; | |
2202 | vs->client_pf.bmask = blue_max << blue_shift; | |
2203 | vs->client_pf.bits_per_pixel = bits_per_pixel; | |
2204 | vs->client_pf.bytes_per_pixel = bits_per_pixel / 8; | |
2205 | vs->client_pf.depth = bits_per_pixel == 32 ? 24 : bits_per_pixel; | |
2206 | vs->client_be = big_endian_flag; | |
6cec5487 AL |
2207 | |
2208 | set_pixel_conversion(vs); | |
24236869 | 2209 | |
1d0d59fe GH |
2210 | graphic_hw_invalidate(vs->vd->dcl.con); |
2211 | graphic_hw_update(vs->vd->dcl.con); | |
24236869 FB |
2212 | } |
2213 | ||
ca4cca4d AL |
2214 | static void pixel_format_message (VncState *vs) { |
2215 | char pad[3] = { 0, 0, 0 }; | |
2216 | ||
9f64916d GH |
2217 | vs->client_pf = qemu_default_pixelformat(32); |
2218 | ||
2219 | vnc_write_u8(vs, vs->client_pf.bits_per_pixel); /* bits-per-pixel */ | |
2220 | vnc_write_u8(vs, vs->client_pf.depth); /* depth */ | |
ca4cca4d | 2221 | |
e2542fe2 | 2222 | #ifdef HOST_WORDS_BIGENDIAN |
ca4cca4d AL |
2223 | vnc_write_u8(vs, 1); /* big-endian-flag */ |
2224 | #else | |
2225 | vnc_write_u8(vs, 0); /* big-endian-flag */ | |
2226 | #endif | |
2227 | vnc_write_u8(vs, 1); /* true-color-flag */ | |
9f64916d GH |
2228 | vnc_write_u16(vs, vs->client_pf.rmax); /* red-max */ |
2229 | vnc_write_u16(vs, vs->client_pf.gmax); /* green-max */ | |
2230 | vnc_write_u16(vs, vs->client_pf.bmax); /* blue-max */ | |
2231 | vnc_write_u8(vs, vs->client_pf.rshift); /* red-shift */ | |
2232 | vnc_write_u8(vs, vs->client_pf.gshift); /* green-shift */ | |
2233 | vnc_write_u8(vs, vs->client_pf.bshift); /* blue-shift */ | |
2234 | vnc_write(vs, pad, 3); /* padding */ | |
70a4568f CC |
2235 | |
2236 | vnc_hextile_set_pixel_conversion(vs, 0); | |
ca4cca4d | 2237 | vs->write_pixels = vnc_write_pixels_copy; |
ca4cca4d AL |
2238 | } |
2239 | ||
753b4053 | 2240 | static void vnc_colordepth(VncState *vs) |
7eac3a87 | 2241 | { |
753b4053 | 2242 | if (vnc_has_feature(vs, VNC_FEATURE_WMVI)) { |
ca4cca4d | 2243 | /* Sending a WMVi message to notify the client*/ |
bd023f95 | 2244 | vnc_lock_output(vs); |
46a183da | 2245 | vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE); |
ca4cca4d AL |
2246 | vnc_write_u8(vs, 0); |
2247 | vnc_write_u16(vs, 1); /* number of rects */ | |
d39fa6d8 | 2248 | vnc_framebuffer_update(vs, 0, 0, |
bea60dd7 PL |
2249 | pixman_image_get_width(vs->vd->server), |
2250 | pixman_image_get_height(vs->vd->server), | |
d39fa6d8 | 2251 | VNC_ENCODING_WMVi); |
ca4cca4d | 2252 | pixel_format_message(vs); |
bd023f95 | 2253 | vnc_unlock_output(vs); |
ca4cca4d | 2254 | vnc_flush(vs); |
7eac3a87 | 2255 | } else { |
6cec5487 | 2256 | set_pixel_conversion(vs); |
7eac3a87 AL |
2257 | } |
2258 | } | |
2259 | ||
60fe76f3 | 2260 | static int protocol_client_msg(VncState *vs, uint8_t *data, size_t len) |
24236869 FB |
2261 | { |
2262 | int i; | |
2263 | uint16_t limit; | |
2430ffe4 SS |
2264 | VncDisplay *vd = vs->vd; |
2265 | ||
2266 | if (data[0] > 3) { | |
0f7b2864 | 2267 | update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_BASE); |
2430ffe4 | 2268 | } |
24236869 FB |
2269 | |
2270 | switch (data[0]) { | |
46a183da | 2271 | case VNC_MSG_CLIENT_SET_PIXEL_FORMAT: |
28a76be8 AL |
2272 | if (len == 1) |
2273 | return 20; | |
2274 | ||
2275 | set_pixel_format(vs, read_u8(data, 4), read_u8(data, 5), | |
2276 | read_u8(data, 6), read_u8(data, 7), | |
2277 | read_u16(data, 8), read_u16(data, 10), | |
2278 | read_u16(data, 12), read_u8(data, 14), | |
2279 | read_u8(data, 15), read_u8(data, 16)); | |
2280 | break; | |
46a183da | 2281 | case VNC_MSG_CLIENT_SET_ENCODINGS: |
28a76be8 AL |
2282 | if (len == 1) |
2283 | return 4; | |
24236869 | 2284 | |
28a76be8 | 2285 | if (len == 4) { |
69dd5c9f AL |
2286 | limit = read_u16(data, 2); |
2287 | if (limit > 0) | |
2288 | return 4 + (limit * 4); | |
2289 | } else | |
2290 | limit = read_u16(data, 2); | |
24236869 | 2291 | |
28a76be8 AL |
2292 | for (i = 0; i < limit; i++) { |
2293 | int32_t val = read_s32(data, 4 + (i * 4)); | |
2294 | memcpy(data + 4 + (i * 4), &val, sizeof(val)); | |
2295 | } | |
24236869 | 2296 | |
28a76be8 AL |
2297 | set_encodings(vs, (int32_t *)(data + 4), limit); |
2298 | break; | |
46a183da | 2299 | case VNC_MSG_CLIENT_FRAMEBUFFER_UPDATE_REQUEST: |
28a76be8 AL |
2300 | if (len == 1) |
2301 | return 10; | |
24236869 | 2302 | |
28a76be8 AL |
2303 | framebuffer_update_request(vs, |
2304 | read_u8(data, 1), read_u16(data, 2), read_u16(data, 4), | |
2305 | read_u16(data, 6), read_u16(data, 8)); | |
2306 | break; | |
46a183da | 2307 | case VNC_MSG_CLIENT_KEY_EVENT: |
28a76be8 AL |
2308 | if (len == 1) |
2309 | return 8; | |
24236869 | 2310 | |
28a76be8 AL |
2311 | key_event(vs, read_u8(data, 1), read_u32(data, 4)); |
2312 | break; | |
46a183da | 2313 | case VNC_MSG_CLIENT_POINTER_EVENT: |
28a76be8 AL |
2314 | if (len == 1) |
2315 | return 6; | |
24236869 | 2316 | |
28a76be8 AL |
2317 | pointer_event(vs, read_u8(data, 1), read_u16(data, 2), read_u16(data, 4)); |
2318 | break; | |
46a183da | 2319 | case VNC_MSG_CLIENT_CUT_TEXT: |
f9a70e79 | 2320 | if (len == 1) { |
28a76be8 | 2321 | return 8; |
f9a70e79 | 2322 | } |
28a76be8 | 2323 | if (len == 8) { |
baa7666c | 2324 | uint32_t dlen = read_u32(data, 4); |
f9a70e79 PL |
2325 | if (dlen > (1 << 20)) { |
2326 | error_report("vnc: client_cut_text msg payload has %u bytes" | |
2327 | " which exceeds our limit of 1MB.", dlen); | |
2328 | vnc_client_error(vs); | |
2329 | break; | |
2330 | } | |
2331 | if (dlen > 0) { | |
baa7666c | 2332 | return 8 + dlen; |
f9a70e79 | 2333 | } |
baa7666c | 2334 | } |
24236869 | 2335 | |
28a76be8 AL |
2336 | client_cut_text(vs, read_u32(data, 4), data + 8); |
2337 | break; | |
46a183da | 2338 | case VNC_MSG_CLIENT_QEMU: |
9ca313aa AL |
2339 | if (len == 1) |
2340 | return 2; | |
2341 | ||
2342 | switch (read_u8(data, 1)) { | |
46a183da | 2343 | case VNC_MSG_CLIENT_QEMU_EXT_KEY_EVENT: |
9ca313aa AL |
2344 | if (len == 2) |
2345 | return 12; | |
2346 | ||
2347 | ext_key_event(vs, read_u16(data, 2), | |
2348 | read_u32(data, 4), read_u32(data, 8)); | |
2349 | break; | |
46a183da | 2350 | case VNC_MSG_CLIENT_QEMU_AUDIO: |
429a8ed3 | 2351 | if (len == 2) |
2352 | return 4; | |
2353 | ||
2354 | switch (read_u16 (data, 2)) { | |
46a183da | 2355 | case VNC_MSG_CLIENT_QEMU_AUDIO_ENABLE: |
429a8ed3 | 2356 | audio_add(vs); |
2357 | break; | |
46a183da | 2358 | case VNC_MSG_CLIENT_QEMU_AUDIO_DISABLE: |
429a8ed3 | 2359 | audio_del(vs); |
2360 | break; | |
46a183da | 2361 | case VNC_MSG_CLIENT_QEMU_AUDIO_SET_FORMAT: |
429a8ed3 | 2362 | if (len == 4) |
2363 | return 10; | |
2364 | switch (read_u8(data, 4)) { | |
2365 | case 0: vs->as.fmt = AUD_FMT_U8; break; | |
2366 | case 1: vs->as.fmt = AUD_FMT_S8; break; | |
2367 | case 2: vs->as.fmt = AUD_FMT_U16; break; | |
2368 | case 3: vs->as.fmt = AUD_FMT_S16; break; | |
2369 | case 4: vs->as.fmt = AUD_FMT_U32; break; | |
2370 | case 5: vs->as.fmt = AUD_FMT_S32; break; | |
2371 | default: | |
153130cd | 2372 | VNC_DEBUG("Invalid audio format %d\n", read_u8(data, 4)); |
429a8ed3 | 2373 | vnc_client_error(vs); |
2374 | break; | |
2375 | } | |
2376 | vs->as.nchannels = read_u8(data, 5); | |
2377 | if (vs->as.nchannels != 1 && vs->as.nchannels != 2) { | |
153130cd DB |
2378 | VNC_DEBUG("Invalid audio channel coount %d\n", |
2379 | read_u8(data, 5)); | |
429a8ed3 | 2380 | vnc_client_error(vs); |
2381 | break; | |
2382 | } | |
2383 | vs->as.freq = read_u32(data, 6); | |
2384 | break; | |
2385 | default: | |
153130cd | 2386 | VNC_DEBUG("Invalid audio message %d\n", read_u8(data, 4)); |
429a8ed3 | 2387 | vnc_client_error(vs); |
2388 | break; | |
2389 | } | |
2390 | break; | |
2391 | ||
9ca313aa | 2392 | default: |
153130cd | 2393 | VNC_DEBUG("Msg: %d\n", read_u16(data, 0)); |
9ca313aa AL |
2394 | vnc_client_error(vs); |
2395 | break; | |
2396 | } | |
2397 | break; | |
24236869 | 2398 | default: |
153130cd | 2399 | VNC_DEBUG("Msg: %d\n", data[0]); |
28a76be8 AL |
2400 | vnc_client_error(vs); |
2401 | break; | |
24236869 | 2402 | } |
5fafdf24 | 2403 | |
24236869 FB |
2404 | vnc_read_when(vs, protocol_client_msg, 1); |
2405 | return 0; | |
2406 | } | |
2407 | ||
60fe76f3 | 2408 | static int protocol_client_init(VncState *vs, uint8_t *data, size_t len) |
24236869 | 2409 | { |
c35734b2 | 2410 | char buf[1024]; |
8cf36489 | 2411 | VncShareMode mode; |
c35734b2 | 2412 | int size; |
24236869 | 2413 | |
8cf36489 GH |
2414 | mode = data[0] ? VNC_SHARE_MODE_SHARED : VNC_SHARE_MODE_EXCLUSIVE; |
2415 | switch (vs->vd->share_policy) { | |
2416 | case VNC_SHARE_POLICY_IGNORE: | |
2417 | /* | |
2418 | * Ignore the shared flag. Nothing to do here. | |
2419 | * | |
2420 | * Doesn't conform to the rfb spec but is traditional qemu | |
2421 | * behavior, thus left here as option for compatibility | |
2422 | * reasons. | |
2423 | */ | |
2424 | break; | |
2425 | case VNC_SHARE_POLICY_ALLOW_EXCLUSIVE: | |
2426 | /* | |
2427 | * Policy: Allow clients ask for exclusive access. | |
2428 | * | |
2429 | * Implementation: When a client asks for exclusive access, | |
2430 | * disconnect all others. Shared connects are allowed as long | |
2431 | * as no exclusive connection exists. | |
2432 | * | |
2433 | * This is how the rfb spec suggests to handle the shared flag. | |
2434 | */ | |
2435 | if (mode == VNC_SHARE_MODE_EXCLUSIVE) { | |
2436 | VncState *client; | |
2437 | QTAILQ_FOREACH(client, &vs->vd->clients, next) { | |
2438 | if (vs == client) { | |
2439 | continue; | |
2440 | } | |
2441 | if (client->share_mode != VNC_SHARE_MODE_EXCLUSIVE && | |
2442 | client->share_mode != VNC_SHARE_MODE_SHARED) { | |
2443 | continue; | |
2444 | } | |
2445 | vnc_disconnect_start(client); | |
2446 | } | |
2447 | } | |
2448 | if (mode == VNC_SHARE_MODE_SHARED) { | |
2449 | if (vs->vd->num_exclusive > 0) { | |
2450 | vnc_disconnect_start(vs); | |
2451 | return 0; | |
2452 | } | |
2453 | } | |
2454 | break; | |
2455 | case VNC_SHARE_POLICY_FORCE_SHARED: | |
2456 | /* | |
2457 | * Policy: Shared connects only. | |
2458 | * Implementation: Disallow clients asking for exclusive access. | |
2459 | * | |
2460 | * Useful for shared desktop sessions where you don't want | |
2461 | * someone forgetting to say -shared when running the vnc | |
2462 | * client disconnect everybody else. | |
2463 | */ | |
2464 | if (mode == VNC_SHARE_MODE_EXCLUSIVE) { | |
2465 | vnc_disconnect_start(vs); | |
2466 | return 0; | |
2467 | } | |
2468 | break; | |
2469 | } | |
2470 | vnc_set_share_mode(vs, mode); | |
2471 | ||
e5f34cdd GH |
2472 | if (vs->vd->num_shared > vs->vd->connections_limit) { |
2473 | vnc_disconnect_start(vs); | |
2474 | return 0; | |
2475 | } | |
2476 | ||
bea60dd7 PL |
2477 | vs->client_width = pixman_image_get_width(vs->vd->server); |
2478 | vs->client_height = pixman_image_get_height(vs->vd->server); | |
5862d195 GH |
2479 | vnc_write_u16(vs, vs->client_width); |
2480 | vnc_write_u16(vs, vs->client_height); | |
24236869 | 2481 | |
ca4cca4d | 2482 | pixel_format_message(vs); |
24236869 | 2483 | |
c35734b2 TS |
2484 | if (qemu_name) |
2485 | size = snprintf(buf, sizeof(buf), "QEMU (%s)", qemu_name); | |
2486 | else | |
2487 | size = snprintf(buf, sizeof(buf), "QEMU"); | |
2488 | ||
2489 | vnc_write_u32(vs, size); | |
2490 | vnc_write(vs, buf, size); | |
24236869 FB |
2491 | vnc_flush(vs); |
2492 | ||
4a80dba3 | 2493 | vnc_client_cache_auth(vs); |
fb6ba0d5 | 2494 | vnc_qmp_event(vs, QAPI_EVENT_VNC_INITIALIZED); |
4a80dba3 | 2495 | |
24236869 FB |
2496 | vnc_read_when(vs, protocol_client_msg, 1); |
2497 | ||
2498 | return 0; | |
2499 | } | |
2500 | ||
5fb6c7a8 AL |
2501 | void start_client_init(VncState *vs) |
2502 | { | |
2503 | vnc_read_when(vs, protocol_client_init, 1); | |
2504 | } | |
2505 | ||
70848515 TS |
2506 | static void make_challenge(VncState *vs) |
2507 | { | |
2508 | int i; | |
2509 | ||
2510 | srand(time(NULL)+getpid()+getpid()*987654+rand()); | |
2511 | ||
2512 | for (i = 0 ; i < sizeof(vs->challenge) ; i++) | |
2513 | vs->challenge[i] = (int) (256.0*rand()/(RAND_MAX+1.0)); | |
2514 | } | |
2515 | ||
60fe76f3 | 2516 | static int protocol_client_auth_vnc(VncState *vs, uint8_t *data, size_t len) |
70848515 | 2517 | { |
60fe76f3 | 2518 | unsigned char response[VNC_AUTH_CHALLENGE_SIZE]; |
800567a6 | 2519 | size_t i, pwlen; |
60fe76f3 | 2520 | unsigned char key[8]; |
3c9405a0 | 2521 | time_t now = time(NULL); |
60928458 | 2522 | QCryptoCipher *cipher = NULL; |
800567a6 | 2523 | Error *err = NULL; |
70848515 | 2524 | |
1cd20f8b | 2525 | if (!vs->vd->password) { |
28a76be8 | 2526 | VNC_DEBUG("No password configured on server"); |
6bffdf0f | 2527 | goto reject; |
70848515 | 2528 | } |
3c9405a0 GH |
2529 | if (vs->vd->expires < now) { |
2530 | VNC_DEBUG("Password is expired"); | |
2531 | goto reject; | |
2532 | } | |
70848515 TS |
2533 | |
2534 | memcpy(response, vs->challenge, VNC_AUTH_CHALLENGE_SIZE); | |
2535 | ||
2536 | /* Calculate the expected challenge response */ | |
753b4053 | 2537 | pwlen = strlen(vs->vd->password); |
70848515 | 2538 | for (i=0; i<sizeof(key); i++) |
753b4053 | 2539 | key[i] = i<pwlen ? vs->vd->password[i] : 0; |
800567a6 DB |
2540 | |
2541 | cipher = qcrypto_cipher_new( | |
2542 | QCRYPTO_CIPHER_ALG_DES_RFB, | |
2543 | QCRYPTO_CIPHER_MODE_ECB, | |
2544 | key, G_N_ELEMENTS(key), | |
2545 | &err); | |
2546 | if (!cipher) { | |
2547 | VNC_DEBUG("Cannot initialize cipher %s", | |
2548 | error_get_pretty(err)); | |
2549 | error_free(err); | |
2550 | goto reject; | |
2551 | } | |
2552 | ||
a1695137 | 2553 | if (qcrypto_cipher_encrypt(cipher, |
800567a6 DB |
2554 | vs->challenge, |
2555 | response, | |
2556 | VNC_AUTH_CHALLENGE_SIZE, | |
2557 | &err) < 0) { | |
2558 | VNC_DEBUG("Cannot encrypt challenge %s", | |
2559 | error_get_pretty(err)); | |
2560 | error_free(err); | |
2561 | goto reject; | |
2562 | } | |
70848515 TS |
2563 | |
2564 | /* Compare expected vs actual challenge response */ | |
2565 | if (memcmp(response, data, VNC_AUTH_CHALLENGE_SIZE) != 0) { | |
e5bed759 | 2566 | VNC_DEBUG("Client challenge response did not match\n"); |
6bffdf0f | 2567 | goto reject; |
70848515 | 2568 | } else { |
28a76be8 AL |
2569 | VNC_DEBUG("Accepting VNC challenge response\n"); |
2570 | vnc_write_u32(vs, 0); /* Accept auth */ | |
2571 | vnc_flush(vs); | |
70848515 | 2572 | |
5fb6c7a8 | 2573 | start_client_init(vs); |
70848515 | 2574 | } |
60928458 GA |
2575 | |
2576 | qcrypto_cipher_free(cipher); | |
70848515 | 2577 | return 0; |
6bffdf0f GH |
2578 | |
2579 | reject: | |
2580 | vnc_write_u32(vs, 1); /* Reject auth */ | |
2581 | if (vs->minor >= 8) { | |
2582 | static const char err[] = "Authentication failed"; | |
2583 | vnc_write_u32(vs, sizeof(err)); | |
2584 | vnc_write(vs, err, sizeof(err)); | |
2585 | } | |
2586 | vnc_flush(vs); | |
2587 | vnc_client_error(vs); | |
60928458 | 2588 | qcrypto_cipher_free(cipher); |
6bffdf0f | 2589 | return 0; |
70848515 TS |
2590 | } |
2591 | ||
5fb6c7a8 | 2592 | void start_auth_vnc(VncState *vs) |
70848515 TS |
2593 | { |
2594 | make_challenge(vs); | |
2595 | /* Send client a 'random' challenge */ | |
2596 | vnc_write(vs, vs->challenge, sizeof(vs->challenge)); | |
2597 | vnc_flush(vs); | |
2598 | ||
2599 | vnc_read_when(vs, protocol_client_auth_vnc, sizeof(vs->challenge)); | |
469b15c6 TS |
2600 | } |
2601 | ||
2602 | ||
60fe76f3 | 2603 | static int protocol_client_auth(VncState *vs, uint8_t *data, size_t len) |
70848515 TS |
2604 | { |
2605 | /* We only advertise 1 auth scheme at a time, so client | |
2606 | * must pick the one we sent. Verify this */ | |
7e7e2ebc | 2607 | if (data[0] != vs->auth) { /* Reject auth */ |
1263b7d6 | 2608 | VNC_DEBUG("Reject auth %d because it didn't match advertized\n", (int)data[0]); |
70848515 TS |
2609 | vnc_write_u32(vs, 1); |
2610 | if (vs->minor >= 8) { | |
2611 | static const char err[] = "Authentication failed"; | |
2612 | vnc_write_u32(vs, sizeof(err)); | |
2613 | vnc_write(vs, err, sizeof(err)); | |
2614 | } | |
2615 | vnc_client_error(vs); | |
2616 | } else { /* Accept requested auth */ | |
2617 | VNC_DEBUG("Client requested auth %d\n", (int)data[0]); | |
7e7e2ebc | 2618 | switch (vs->auth) { |
70848515 TS |
2619 | case VNC_AUTH_NONE: |
2620 | VNC_DEBUG("Accept auth none\n"); | |
a26c97ad AZ |
2621 | if (vs->minor >= 8) { |
2622 | vnc_write_u32(vs, 0); /* Accept auth completion */ | |
2623 | vnc_flush(vs); | |
2624 | } | |
5fb6c7a8 | 2625 | start_client_init(vs); |
70848515 TS |
2626 | break; |
2627 | ||
2628 | case VNC_AUTH_VNC: | |
2629 | VNC_DEBUG("Start VNC auth\n"); | |
5fb6c7a8 AL |
2630 | start_auth_vnc(vs); |
2631 | break; | |
70848515 | 2632 | |
8d5d2d4c | 2633 | case VNC_AUTH_VENCRYPT: |
3a93113a | 2634 | VNC_DEBUG("Accept VeNCrypt auth\n"); |
5fb6c7a8 AL |
2635 | start_auth_vencrypt(vs); |
2636 | break; | |
8d5d2d4c | 2637 | |
2f9606b3 AL |
2638 | #ifdef CONFIG_VNC_SASL |
2639 | case VNC_AUTH_SASL: | |
2640 | VNC_DEBUG("Accept SASL auth\n"); | |
2641 | start_auth_sasl(vs); | |
2642 | break; | |
2643 | #endif /* CONFIG_VNC_SASL */ | |
2644 | ||
70848515 | 2645 | default: /* Should not be possible, but just in case */ |
7e7e2ebc | 2646 | VNC_DEBUG("Reject auth %d server code bug\n", vs->auth); |
70848515 TS |
2647 | vnc_write_u8(vs, 1); |
2648 | if (vs->minor >= 8) { | |
2649 | static const char err[] = "Authentication failed"; | |
2650 | vnc_write_u32(vs, sizeof(err)); | |
2651 | vnc_write(vs, err, sizeof(err)); | |
2652 | } | |
2653 | vnc_client_error(vs); | |
2654 | } | |
2655 | } | |
2656 | return 0; | |
2657 | } | |
2658 | ||
60fe76f3 | 2659 | static int protocol_version(VncState *vs, uint8_t *version, size_t len) |
24236869 FB |
2660 | { |
2661 | char local[13]; | |
24236869 FB |
2662 | |
2663 | memcpy(local, version, 12); | |
2664 | local[12] = 0; | |
2665 | ||
70848515 | 2666 | if (sscanf(local, "RFB %03d.%03d\n", &vs->major, &vs->minor) != 2) { |
28a76be8 AL |
2667 | VNC_DEBUG("Malformed protocol version %s\n", local); |
2668 | vnc_client_error(vs); | |
2669 | return 0; | |
24236869 | 2670 | } |
70848515 TS |
2671 | VNC_DEBUG("Client request protocol version %d.%d\n", vs->major, vs->minor); |
2672 | if (vs->major != 3 || | |
28a76be8 AL |
2673 | (vs->minor != 3 && |
2674 | vs->minor != 4 && | |
2675 | vs->minor != 5 && | |
2676 | vs->minor != 7 && | |
2677 | vs->minor != 8)) { | |
2678 | VNC_DEBUG("Unsupported client version\n"); | |
2679 | vnc_write_u32(vs, VNC_AUTH_INVALID); | |
2680 | vnc_flush(vs); | |
2681 | vnc_client_error(vs); | |
2682 | return 0; | |
70848515 | 2683 | } |
b0566f4f | 2684 | /* Some broken clients report v3.4 or v3.5, which spec requires to be treated |
70848515 TS |
2685 | * as equivalent to v3.3 by servers |
2686 | */ | |
b0566f4f | 2687 | if (vs->minor == 4 || vs->minor == 5) |
28a76be8 | 2688 | vs->minor = 3; |
70848515 TS |
2689 | |
2690 | if (vs->minor == 3) { | |
7e7e2ebc | 2691 | if (vs->auth == VNC_AUTH_NONE) { |
70848515 | 2692 | VNC_DEBUG("Tell client auth none\n"); |
7e7e2ebc | 2693 | vnc_write_u32(vs, vs->auth); |
70848515 | 2694 | vnc_flush(vs); |
28a76be8 | 2695 | start_client_init(vs); |
7e7e2ebc | 2696 | } else if (vs->auth == VNC_AUTH_VNC) { |
70848515 | 2697 | VNC_DEBUG("Tell client VNC auth\n"); |
7e7e2ebc | 2698 | vnc_write_u32(vs, vs->auth); |
70848515 TS |
2699 | vnc_flush(vs); |
2700 | start_auth_vnc(vs); | |
2701 | } else { | |
7e7e2ebc | 2702 | VNC_DEBUG("Unsupported auth %d for protocol 3.3\n", vs->auth); |
70848515 TS |
2703 | vnc_write_u32(vs, VNC_AUTH_INVALID); |
2704 | vnc_flush(vs); | |
2705 | vnc_client_error(vs); | |
2706 | } | |
2707 | } else { | |
7e7e2ebc | 2708 | VNC_DEBUG("Telling client we support auth %d\n", vs->auth); |
28a76be8 | 2709 | vnc_write_u8(vs, 1); /* num auth */ |
7e7e2ebc | 2710 | vnc_write_u8(vs, vs->auth); |
28a76be8 AL |
2711 | vnc_read_when(vs, protocol_client_auth, 1); |
2712 | vnc_flush(vs); | |
70848515 | 2713 | } |
24236869 FB |
2714 | |
2715 | return 0; | |
2716 | } | |
2717 | ||
999342a0 CC |
2718 | static VncRectStat *vnc_stat_rect(VncDisplay *vd, int x, int y) |
2719 | { | |
2720 | struct VncSurface *vs = &vd->guest; | |
2721 | ||
2722 | return &vs->stats[y / VNC_STAT_RECT][x / VNC_STAT_RECT]; | |
2723 | } | |
2724 | ||
7d964c9d CC |
2725 | void vnc_sent_lossy_rect(VncState *vs, int x, int y, int w, int h) |
2726 | { | |
2727 | int i, j; | |
2728 | ||
2729 | w = (x + w) / VNC_STAT_RECT; | |
2730 | h = (y + h) / VNC_STAT_RECT; | |
2731 | x /= VNC_STAT_RECT; | |
2732 | y /= VNC_STAT_RECT; | |
2733 | ||
207f328a CC |
2734 | for (j = y; j <= h; j++) { |
2735 | for (i = x; i <= w; i++) { | |
7d964c9d CC |
2736 | vs->lossy_rect[j][i] = 1; |
2737 | } | |
2738 | } | |
2739 | } | |
2740 | ||
2741 | static int vnc_refresh_lossy_rect(VncDisplay *vd, int x, int y) | |
2742 | { | |
2743 | VncState *vs; | |
2744 | int sty = y / VNC_STAT_RECT; | |
2745 | int stx = x / VNC_STAT_RECT; | |
2746 | int has_dirty = 0; | |
2747 | ||
2748 | y = y / VNC_STAT_RECT * VNC_STAT_RECT; | |
2749 | x = x / VNC_STAT_RECT * VNC_STAT_RECT; | |
2750 | ||
2751 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
bc2429b9 | 2752 | int j; |
7d964c9d CC |
2753 | |
2754 | /* kernel send buffers are full -> refresh later */ | |
2755 | if (vs->output.offset) { | |
2756 | continue; | |
2757 | } | |
2758 | ||
2759 | if (!vs->lossy_rect[sty][stx]) { | |
2760 | continue; | |
2761 | } | |
207f328a | 2762 | |
7d964c9d CC |
2763 | vs->lossy_rect[sty][stx] = 0; |
2764 | for (j = 0; j < VNC_STAT_RECT; ++j) { | |
b4c85ddc PL |
2765 | bitmap_set(vs->dirty[y + j], |
2766 | x / VNC_DIRTY_PIXELS_PER_BIT, | |
2767 | VNC_STAT_RECT / VNC_DIRTY_PIXELS_PER_BIT); | |
7d964c9d CC |
2768 | } |
2769 | has_dirty++; | |
2770 | } | |
207f328a | 2771 | |
7d964c9d CC |
2772 | return has_dirty; |
2773 | } | |
2774 | ||
2775 | static int vnc_update_stats(VncDisplay *vd, struct timeval * tv) | |
999342a0 | 2776 | { |
9f64916d GH |
2777 | int width = pixman_image_get_width(vd->guest.fb); |
2778 | int height = pixman_image_get_height(vd->guest.fb); | |
999342a0 CC |
2779 | int x, y; |
2780 | struct timeval res; | |
7d964c9d | 2781 | int has_dirty = 0; |
999342a0 | 2782 | |
9f64916d GH |
2783 | for (y = 0; y < height; y += VNC_STAT_RECT) { |
2784 | for (x = 0; x < width; x += VNC_STAT_RECT) { | |
999342a0 CC |
2785 | VncRectStat *rect = vnc_stat_rect(vd, x, y); |
2786 | ||
2787 | rect->updated = false; | |
2788 | } | |
2789 | } | |
2790 | ||
ad620c29 | 2791 | qemu_timersub(tv, &VNC_REFRESH_STATS, &res); |
999342a0 CC |
2792 | |
2793 | if (timercmp(&vd->guest.last_freq_check, &res, >)) { | |
7d964c9d | 2794 | return has_dirty; |
999342a0 CC |
2795 | } |
2796 | vd->guest.last_freq_check = *tv; | |
2797 | ||
9f64916d GH |
2798 | for (y = 0; y < height; y += VNC_STAT_RECT) { |
2799 | for (x = 0; x < width; x += VNC_STAT_RECT) { | |
999342a0 CC |
2800 | VncRectStat *rect= vnc_stat_rect(vd, x, y); |
2801 | int count = ARRAY_SIZE(rect->times); | |
2802 | struct timeval min, max; | |
2803 | ||
2804 | if (!timerisset(&rect->times[count - 1])) { | |
2805 | continue ; | |
2806 | } | |
2807 | ||
2808 | max = rect->times[(rect->idx + count - 1) % count]; | |
ad620c29 | 2809 | qemu_timersub(tv, &max, &res); |
999342a0 CC |
2810 | |
2811 | if (timercmp(&res, &VNC_REFRESH_LOSSY, >)) { | |
2812 | rect->freq = 0; | |
7d964c9d | 2813 | has_dirty += vnc_refresh_lossy_rect(vd, x, y); |
999342a0 CC |
2814 | memset(rect->times, 0, sizeof (rect->times)); |
2815 | continue ; | |
2816 | } | |
2817 | ||
2818 | min = rect->times[rect->idx]; | |
2819 | max = rect->times[(rect->idx + count - 1) % count]; | |
ad620c29 | 2820 | qemu_timersub(&max, &min, &res); |
999342a0 CC |
2821 | |
2822 | rect->freq = res.tv_sec + res.tv_usec / 1000000.; | |
2823 | rect->freq /= count; | |
2824 | rect->freq = 1. / rect->freq; | |
2825 | } | |
2826 | } | |
7d964c9d | 2827 | return has_dirty; |
999342a0 CC |
2828 | } |
2829 | ||
2830 | double vnc_update_freq(VncState *vs, int x, int y, int w, int h) | |
2831 | { | |
2832 | int i, j; | |
2833 | double total = 0; | |
2834 | int num = 0; | |
2835 | ||
2836 | x = (x / VNC_STAT_RECT) * VNC_STAT_RECT; | |
2837 | y = (y / VNC_STAT_RECT) * VNC_STAT_RECT; | |
2838 | ||
2839 | for (j = y; j <= y + h; j += VNC_STAT_RECT) { | |
2840 | for (i = x; i <= x + w; i += VNC_STAT_RECT) { | |
2841 | total += vnc_stat_rect(vs->vd, i, j)->freq; | |
2842 | num++; | |
2843 | } | |
2844 | } | |
2845 | ||
2846 | if (num) { | |
2847 | return total / num; | |
2848 | } else { | |
2849 | return 0; | |
2850 | } | |
2851 | } | |
2852 | ||
2853 | static void vnc_rect_updated(VncDisplay *vd, int x, int y, struct timeval * tv) | |
2854 | { | |
2855 | VncRectStat *rect; | |
2856 | ||
2857 | rect = vnc_stat_rect(vd, x, y); | |
2858 | if (rect->updated) { | |
2859 | return ; | |
2860 | } | |
2861 | rect->times[rect->idx] = *tv; | |
2862 | rect->idx = (rect->idx + 1) % ARRAY_SIZE(rect->times); | |
2863 | rect->updated = true; | |
2864 | } | |
2865 | ||
1fc62412 SS |
2866 | static int vnc_refresh_server_surface(VncDisplay *vd) |
2867 | { | |
bea60dd7 PL |
2868 | int width = MIN(pixman_image_get_width(vd->guest.fb), |
2869 | pixman_image_get_width(vd->server)); | |
2870 | int height = MIN(pixman_image_get_height(vd->guest.fb), | |
2871 | pixman_image_get_height(vd->server)); | |
eb8934b0 | 2872 | int cmp_bytes, server_stride, line_bytes, guest_ll, guest_stride, y = 0; |
12b316d4 | 2873 | uint8_t *guest_row0 = NULL, *server_row0; |
41b4bef6 | 2874 | VncState *vs; |
1fc62412 | 2875 | int has_dirty = 0; |
9f64916d | 2876 | pixman_image_t *tmpbuf = NULL; |
1fc62412 | 2877 | |
80e0c8c3 | 2878 | struct timeval tv = { 0, 0 }; |
999342a0 | 2879 | |
80e0c8c3 CC |
2880 | if (!vd->non_adaptive) { |
2881 | gettimeofday(&tv, NULL); | |
2882 | has_dirty = vnc_update_stats(vd, &tv); | |
2883 | } | |
999342a0 | 2884 | |
1fc62412 SS |
2885 | /* |
2886 | * Walk through the guest dirty map. | |
2887 | * Check and copy modified bits from guest to server surface. | |
2888 | * Update server dirty map. | |
2889 | */ | |
bea60dd7 | 2890 | server_row0 = (uint8_t *)pixman_image_get_data(vd->server); |
eb8934b0 GH |
2891 | server_stride = guest_stride = guest_ll = |
2892 | pixman_image_get_stride(vd->server); | |
bea60dd7 PL |
2893 | cmp_bytes = MIN(VNC_DIRTY_PIXELS_PER_BIT * VNC_SERVER_FB_BYTES, |
2894 | server_stride); | |
9f64916d GH |
2895 | if (vd->guest.format != VNC_SERVER_FB_FORMAT) { |
2896 | int width = pixman_image_get_width(vd->server); | |
2897 | tmpbuf = qemu_pixman_linebuf_create(VNC_SERVER_FB_FORMAT, width); | |
12b316d4 | 2898 | } else { |
eb8934b0 GH |
2899 | int guest_bpp = |
2900 | PIXMAN_FORMAT_BPP(pixman_image_get_format(vd->guest.fb)); | |
12b316d4 PL |
2901 | guest_row0 = (uint8_t *)pixman_image_get_data(vd->guest.fb); |
2902 | guest_stride = pixman_image_get_stride(vd->guest.fb); | |
eb8934b0 | 2903 | guest_ll = pixman_image_get_width(vd->guest.fb) * ((guest_bpp + 7) / 8); |
12b316d4 | 2904 | } |
eb8934b0 | 2905 | line_bytes = MIN(server_stride, guest_ll); |
12b316d4 | 2906 | |
12b316d4 PL |
2907 | for (;;) { |
2908 | int x; | |
2909 | uint8_t *guest_ptr, *server_ptr; | |
2910 | unsigned long offset = find_next_bit((unsigned long *) &vd->guest.dirty, | |
2911 | height * VNC_DIRTY_BPL(&vd->guest), | |
2912 | y * VNC_DIRTY_BPL(&vd->guest)); | |
2913 | if (offset == height * VNC_DIRTY_BPL(&vd->guest)) { | |
2914 | /* no more dirty bits */ | |
2915 | break; | |
2916 | } | |
2917 | y = offset / VNC_DIRTY_BPL(&vd->guest); | |
2918 | x = offset % VNC_DIRTY_BPL(&vd->guest); | |
1fc62412 | 2919 | |
12b316d4 PL |
2920 | server_ptr = server_row0 + y * server_stride + x * cmp_bytes; |
2921 | ||
2922 | if (vd->guest.format != VNC_SERVER_FB_FORMAT) { | |
2923 | qemu_pixman_linebuf_fill(tmpbuf, vd->guest.fb, width, 0, y); | |
2924 | guest_ptr = (uint8_t *)pixman_image_get_data(tmpbuf); | |
2925 | } else { | |
2926 | guest_ptr = guest_row0 + y * guest_stride; | |
2927 | } | |
2928 | guest_ptr += x * cmp_bytes; | |
2929 | ||
2930 | for (; x < DIV_ROUND_UP(width, VNC_DIRTY_PIXELS_PER_BIT); | |
2931 | x++, guest_ptr += cmp_bytes, server_ptr += cmp_bytes) { | |
bea60dd7 | 2932 | int _cmp_bytes = cmp_bytes; |
12b316d4 PL |
2933 | if (!test_and_clear_bit(x, vd->guest.dirty[y])) { |
2934 | continue; | |
2935 | } | |
eb8934b0 GH |
2936 | if ((x + 1) * cmp_bytes > line_bytes) { |
2937 | _cmp_bytes = line_bytes - x * cmp_bytes; | |
bea60dd7 | 2938 | } |
eb8934b0 | 2939 | assert(_cmp_bytes >= 0); |
bea60dd7 | 2940 | if (memcmp(server_ptr, guest_ptr, _cmp_bytes) == 0) { |
12b316d4 PL |
2941 | continue; |
2942 | } | |
bea60dd7 | 2943 | memcpy(server_ptr, guest_ptr, _cmp_bytes); |
12b316d4 PL |
2944 | if (!vd->non_adaptive) { |
2945 | vnc_rect_updated(vd, x * VNC_DIRTY_PIXELS_PER_BIT, | |
2946 | y, &tv); | |
1fc62412 | 2947 | } |
12b316d4 PL |
2948 | QTAILQ_FOREACH(vs, &vd->clients, next) { |
2949 | set_bit(x, vs->dirty[y]); | |
2950 | } | |
2951 | has_dirty++; | |
1fc62412 | 2952 | } |
12b316d4 PL |
2953 | |
2954 | y++; | |
1fc62412 | 2955 | } |
9f64916d | 2956 | qemu_pixman_image_unref(tmpbuf); |
1fc62412 SS |
2957 | return has_dirty; |
2958 | } | |
2959 | ||
0f7b2864 | 2960 | static void vnc_refresh(DisplayChangeListener *dcl) |
703bc68f | 2961 | { |
0f7b2864 | 2962 | VncDisplay *vd = container_of(dcl, VncDisplay, dcl); |
41b4bef6 AS |
2963 | VncState *vs, *vn; |
2964 | int has_dirty, rects = 0; | |
703bc68f | 2965 | |
9d6b2070 C |
2966 | if (QTAILQ_EMPTY(&vd->clients)) { |
2967 | update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_MAX); | |
2968 | return; | |
2969 | } | |
2970 | ||
1d0d59fe | 2971 | graphic_hw_update(vd->dcl.con); |
703bc68f | 2972 | |
bd023f95 | 2973 | if (vnc_trylock_display(vd)) { |
0f7b2864 | 2974 | update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_BASE); |
bd023f95 CC |
2975 | return; |
2976 | } | |
2977 | ||
1fc62412 | 2978 | has_dirty = vnc_refresh_server_surface(vd); |
bd023f95 | 2979 | vnc_unlock_display(vd); |
1fc62412 | 2980 | |
41b4bef6 | 2981 | QTAILQ_FOREACH_SAFE(vs, &vd->clients, next, vn) { |
38ee14f4 | 2982 | rects += vnc_update_client(vs, has_dirty, false); |
6185c578 | 2983 | /* vs might be free()ed here */ |
703bc68f | 2984 | } |
bd023f95 | 2985 | |
2430ffe4 | 2986 | if (has_dirty && rects) { |
0f7b2864 GH |
2987 | vd->dcl.update_interval /= 2; |
2988 | if (vd->dcl.update_interval < VNC_REFRESH_INTERVAL_BASE) { | |
2989 | vd->dcl.update_interval = VNC_REFRESH_INTERVAL_BASE; | |
2990 | } | |
2430ffe4 | 2991 | } else { |
0f7b2864 GH |
2992 | vd->dcl.update_interval += VNC_REFRESH_INTERVAL_INC; |
2993 | if (vd->dcl.update_interval > VNC_REFRESH_INTERVAL_MAX) { | |
2994 | vd->dcl.update_interval = VNC_REFRESH_INTERVAL_MAX; | |
2995 | } | |
703bc68f SS |
2996 | } |
2997 | } | |
2998 | ||
2c8cf549 MT |
2999 | static void vnc_connect(VncDisplay *vd, int csock, |
3000 | bool skipauth, bool websocket) | |
3aa3eea3 | 3001 | { |
7267c094 | 3002 | VncState *vs = g_malloc0(sizeof(VncState)); |
7d964c9d CC |
3003 | int i; |
3004 | ||
753b4053 | 3005 | vs->csock = csock; |
d616ccc5 | 3006 | vs->vd = vd; |
7e7e2ebc DB |
3007 | |
3008 | if (skipauth) { | |
3009 | vs->auth = VNC_AUTH_NONE; | |
7e7e2ebc | 3010 | vs->subauth = VNC_AUTH_INVALID; |
7e7e2ebc | 3011 | } else { |
f9148c8a DB |
3012 | if (websocket) { |
3013 | vs->auth = vd->ws_auth; | |
3014 | vs->subauth = VNC_AUTH_INVALID; | |
3015 | } else { | |
3016 | vs->auth = vd->auth; | |
3017 | vs->subauth = vd->subauth; | |
3018 | } | |
7e7e2ebc | 3019 | } |
f9148c8a DB |
3020 | VNC_DEBUG("Client sock=%d ws=%d auth=%d subauth=%d\n", |
3021 | csock, websocket, vs->auth, vs->subauth); | |
7e7e2ebc | 3022 | |
7267c094 | 3023 | vs->lossy_rect = g_malloc0(VNC_STAT_ROWS * sizeof (*vs->lossy_rect)); |
7d964c9d | 3024 | for (i = 0; i < VNC_STAT_ROWS; ++i) { |
7267c094 | 3025 | vs->lossy_rect[i] = g_malloc0(VNC_STAT_COLS * sizeof (uint8_t)); |
7d964c9d | 3026 | } |
753b4053 AL |
3027 | |
3028 | VNC_DEBUG("New client on socket %d\n", csock); | |
0f7b2864 | 3029 | update_displaychangelistener(&vd->dcl, VNC_REFRESH_INTERVAL_BASE); |
f9e8cacc | 3030 | qemu_set_nonblock(vs->csock); |
7536ee4b TH |
3031 | if (websocket) { |
3032 | vs->websocket = 1; | |
f9148c8a | 3033 | if (vd->ws_tls) { |
82e1cc4b | 3034 | qemu_set_fd_handler(vs->csock, vncws_tls_handshake_io, NULL, vs); |
3e305e4a | 3035 | } else { |
82e1cc4b | 3036 | qemu_set_fd_handler(vs->csock, vncws_handshake_read, NULL, vs); |
0057a0d5 | 3037 | } |
7536ee4b | 3038 | } else |
7536ee4b | 3039 | { |
82e1cc4b | 3040 | qemu_set_fd_handler(vs->csock, vnc_client_read, NULL, vs); |
7536ee4b | 3041 | } |
753b4053 | 3042 | |
4a80dba3 | 3043 | vnc_client_cache_addr(vs); |
fb6ba0d5 | 3044 | vnc_qmp_event(vs, QAPI_EVENT_VNC_CONNECTED); |
8cf36489 | 3045 | vnc_set_share_mode(vs, VNC_SHARE_MODE_CONNECTING); |
4a80dba3 | 3046 | |
8e9b0d24 | 3047 | if (!vs->websocket) { |
7536ee4b TH |
3048 | vnc_init_state(vs); |
3049 | } | |
e5f34cdd GH |
3050 | |
3051 | if (vd->num_connecting > vd->connections_limit) { | |
3052 | QTAILQ_FOREACH(vs, &vd->clients, next) { | |
3053 | if (vs->share_mode == VNC_SHARE_MODE_CONNECTING) { | |
3054 | vnc_disconnect_start(vs); | |
3055 | return; | |
3056 | } | |
3057 | } | |
3058 | } | |
7536ee4b TH |
3059 | } |
3060 | ||
3061 | void vnc_init_state(VncState *vs) | |
3062 | { | |
6fd8e79a | 3063 | vs->initialized = true; |
7536ee4b TH |
3064 | VncDisplay *vd = vs->vd; |
3065 | ||
753b4053 AL |
3066 | vs->last_x = -1; |
3067 | vs->last_y = -1; | |
3068 | ||
3069 | vs->as.freq = 44100; | |
3070 | vs->as.nchannels = 2; | |
3071 | vs->as.fmt = AUD_FMT_S16; | |
3072 | vs->as.endianness = 0; | |
3073 | ||
bd023f95 | 3074 | qemu_mutex_init(&vs->output_mutex); |
175b2a6e | 3075 | vs->bh = qemu_bh_new(vnc_jobs_bh, vs); |
bd023f95 | 3076 | |
e5f34cdd | 3077 | QTAILQ_INSERT_TAIL(&vd->clients, vs, next); |
1fc62412 | 3078 | |
1d0d59fe | 3079 | graphic_hw_update(vd->dcl.con); |
1fc62412 | 3080 | |
3aa3eea3 AZ |
3081 | vnc_write(vs, "RFB 003.008\n", 12); |
3082 | vnc_flush(vs); | |
3083 | vnc_read_when(vs, protocol_version, 12); | |
53762ddb | 3084 | reset_keys(vs); |
3a0558b5 GH |
3085 | if (vs->vd->lock_key_sync) |
3086 | vs->led = qemu_add_led_event_handler(kbd_leds, vs); | |
753b4053 | 3087 | |
37c34d9d AL |
3088 | vs->mouse_mode_notifier.notify = check_pointer_type_change; |
3089 | qemu_add_mouse_mode_change_notifier(&vs->mouse_mode_notifier); | |
3090 | ||
198a0039 | 3091 | /* vs might be free()ed here */ |
3aa3eea3 AZ |
3092 | } |
3093 | ||
7536ee4b | 3094 | static void vnc_listen_read(void *opaque, bool websocket) |
24236869 | 3095 | { |
753b4053 | 3096 | VncDisplay *vs = opaque; |
24236869 FB |
3097 | struct sockaddr_in addr; |
3098 | socklen_t addrlen = sizeof(addr); | |
7536ee4b | 3099 | int csock; |
24236869 | 3100 | |
9f60ad50 | 3101 | /* Catch-up */ |
1d0d59fe | 3102 | graphic_hw_update(vs->dcl.con); |
7536ee4b TH |
3103 | if (websocket) { |
3104 | csock = qemu_accept(vs->lwebsock, (struct sockaddr *)&addr, &addrlen); | |
8e9b0d24 | 3105 | } else { |
7536ee4b TH |
3106 | csock = qemu_accept(vs->lsock, (struct sockaddr *)&addr, &addrlen); |
3107 | } | |
9f60ad50 | 3108 | |
753b4053 | 3109 | if (csock != -1) { |
86152436 | 3110 | socket_set_nodelay(csock); |
2c8cf549 | 3111 | vnc_connect(vs, csock, false, websocket); |
24236869 FB |
3112 | } |
3113 | } | |
3114 | ||
7536ee4b TH |
3115 | static void vnc_listen_regular_read(void *opaque) |
3116 | { | |
2c8cf549 | 3117 | vnc_listen_read(opaque, false); |
7536ee4b TH |
3118 | } |
3119 | ||
7536ee4b TH |
3120 | static void vnc_listen_websocket_read(void *opaque) |
3121 | { | |
2c8cf549 | 3122 | vnc_listen_read(opaque, true); |
7536ee4b | 3123 | } |
7536ee4b | 3124 | |
7c20b4a3 | 3125 | static const DisplayChangeListenerOps dcl_ops = { |
34da30af BH |
3126 | .dpy_name = "vnc", |
3127 | .dpy_refresh = vnc_refresh, | |
3128 | .dpy_gfx_copy = vnc_dpy_copy, | |
3129 | .dpy_gfx_update = vnc_dpy_update, | |
3130 | .dpy_gfx_switch = vnc_dpy_switch, | |
3131 | .dpy_gfx_check_format = qemu_pixman_check_format, | |
3132 | .dpy_mouse_set = vnc_mouse_set, | |
3133 | .dpy_cursor_define = vnc_dpy_cursor_define, | |
7c20b4a3 GH |
3134 | }; |
3135 | ||
14f7143e | 3136 | void vnc_display_init(const char *id) |
24236869 | 3137 | { |
4db14629 GH |
3138 | VncDisplay *vs; |
3139 | ||
3140 | if (vnc_display_find(id) != NULL) { | |
3141 | return; | |
3142 | } | |
3143 | vs = g_malloc0(sizeof(*vs)); | |
24236869 | 3144 | |
14f7143e | 3145 | vs->id = strdup(id); |
d616ccc5 | 3146 | QTAILQ_INSERT_TAIL(&vnc_displays, vs, next); |
24236869 FB |
3147 | |
3148 | vs->lsock = -1; | |
7536ee4b | 3149 | vs->lwebsock = -1; |
24236869 | 3150 | |
41b4bef6 | 3151 | QTAILQ_INIT(&vs->clients); |
3c9405a0 | 3152 | vs->expires = TIME_MAX; |
24236869 | 3153 | |
40066175 GH |
3154 | if (keyboard_layout) { |
3155 | trace_vnc_key_map_init(keyboard_layout); | |
0483755a | 3156 | vs->kbd_layout = init_keyboard_layout(name2keysym, keyboard_layout); |
40066175 | 3157 | } else { |
0483755a | 3158 | vs->kbd_layout = init_keyboard_layout(name2keysym, "en-us"); |
40066175 | 3159 | } |
24236869 | 3160 | |
24236869 | 3161 | if (!vs->kbd_layout) |
28a76be8 | 3162 | exit(1); |
24236869 | 3163 | |
bd023f95 CC |
3164 | qemu_mutex_init(&vs->mutex); |
3165 | vnc_start_worker_thread(); | |
bd023f95 | 3166 | |
21ef45d7 | 3167 | vs->dcl.ops = &dcl_ops; |
5209089f | 3168 | register_displaychangelistener(&vs->dcl); |
71cab5ca TS |
3169 | } |
3170 | ||
6f43024c | 3171 | |
14f7143e | 3172 | static void vnc_display_close(VncDisplay *vs) |
71cab5ca | 3173 | { |
452b4d88 AL |
3174 | if (!vs) |
3175 | return; | |
bf7aa45e GH |
3176 | vs->enabled = false; |
3177 | vs->is_unix = false; | |
71cab5ca | 3178 | if (vs->lsock != -1) { |
82e1cc4b | 3179 | qemu_set_fd_handler(vs->lsock, NULL, NULL, NULL); |
28a76be8 AL |
3180 | close(vs->lsock); |
3181 | vs->lsock = -1; | |
71cab5ca | 3182 | } |
bf7aa45e | 3183 | vs->ws_enabled = false; |
7536ee4b | 3184 | if (vs->lwebsock != -1) { |
82e1cc4b | 3185 | qemu_set_fd_handler(vs->lwebsock, NULL, NULL, NULL); |
7536ee4b TH |
3186 | close(vs->lwebsock); |
3187 | vs->lwebsock = -1; | |
3188 | } | |
70848515 | 3189 | vs->auth = VNC_AUTH_INVALID; |
8d5d2d4c | 3190 | vs->subauth = VNC_AUTH_INVALID; |
3e305e4a DB |
3191 | if (vs->tlscreds) { |
3192 | object_unparent(OBJECT(vs->tlscreds)); | |
3193 | } | |
3194 | g_free(vs->tlsaclname); | |
3195 | vs->tlsaclname = NULL; | |
70848515 TS |
3196 | } |
3197 | ||
14f7143e | 3198 | int vnc_display_password(const char *id, const char *password) |
70848515 | 3199 | { |
14f7143e | 3200 | VncDisplay *vs = vnc_display_find(id); |
70848515 | 3201 | |
7ef92331 | 3202 | if (!vs) { |
a6aa9d3e | 3203 | return -EINVAL; |
7ef92331 | 3204 | } |
cf864569 GH |
3205 | if (vs->auth == VNC_AUTH_NONE) { |
3206 | error_printf_unless_qmp("If you want use passwords please enable " | |
3207 | "password auth using '-vnc ${dpy},password'."); | |
3208 | return -EINVAL; | |
1cd20f8b AL |
3209 | } |
3210 | ||
64641d87 | 3211 | g_free(vs->password); |
c14e9847 | 3212 | vs->password = g_strdup(password); |
a6aa9d3e LC |
3213 | |
3214 | return 0; | |
71cab5ca TS |
3215 | } |
3216 | ||
14f7143e | 3217 | int vnc_display_pw_expire(const char *id, time_t expires) |
3c9405a0 | 3218 | { |
14f7143e | 3219 | VncDisplay *vs = vnc_display_find(id); |
3c9405a0 | 3220 | |
1643f2b2 GH |
3221 | if (!vs) { |
3222 | return -EINVAL; | |
3223 | } | |
3224 | ||
3c9405a0 GH |
3225 | vs->expires = expires; |
3226 | return 0; | |
3227 | } | |
3228 | ||
14f7143e | 3229 | char *vnc_display_local_addr(const char *id) |
f92f8afe | 3230 | { |
14f7143e | 3231 | VncDisplay *vs = vnc_display_find(id); |
d616ccc5 | 3232 | |
9e0ff75e | 3233 | assert(vs); |
f92f8afe AL |
3234 | return vnc_socket_local_addr("%s:%s", vs->lsock); |
3235 | } | |
3236 | ||
4db14629 GH |
3237 | static QemuOptsList qemu_vnc_opts = { |
3238 | .name = "vnc", | |
3239 | .head = QTAILQ_HEAD_INITIALIZER(qemu_vnc_opts.head), | |
3240 | .implied_opt_name = "vnc", | |
3241 | .desc = { | |
3242 | { | |
3243 | .name = "vnc", | |
3244 | .type = QEMU_OPT_STRING, | |
3245 | },{ | |
3246 | .name = "websocket", | |
3247 | .type = QEMU_OPT_STRING, | |
3248 | },{ | |
3e305e4a DB |
3249 | .name = "tls-creds", |
3250 | .type = QEMU_OPT_STRING, | |
3251 | },{ | |
3252 | /* Deprecated in favour of tls-creds */ | |
4db14629 GH |
3253 | .name = "x509", |
3254 | .type = QEMU_OPT_STRING, | |
3255 | },{ | |
3256 | .name = "share", | |
3257 | .type = QEMU_OPT_STRING, | |
1d0d59fe GH |
3258 | },{ |
3259 | .name = "display", | |
3260 | .type = QEMU_OPT_STRING, | |
3261 | },{ | |
3262 | .name = "head", | |
3263 | .type = QEMU_OPT_NUMBER, | |
e5f34cdd GH |
3264 | },{ |
3265 | .name = "connections", | |
3266 | .type = QEMU_OPT_NUMBER, | |
88428b7a GA |
3267 | },{ |
3268 | .name = "to", | |
3269 | .type = QEMU_OPT_NUMBER, | |
3270 | },{ | |
3271 | .name = "ipv4", | |
3272 | .type = QEMU_OPT_BOOL, | |
3273 | },{ | |
3274 | .name = "ipv6", | |
3275 | .type = QEMU_OPT_BOOL, | |
4db14629 GH |
3276 | },{ |
3277 | .name = "password", | |
3278 | .type = QEMU_OPT_BOOL, | |
3279 | },{ | |
3280 | .name = "reverse", | |
3281 | .type = QEMU_OPT_BOOL, | |
3282 | },{ | |
3283 | .name = "lock-key-sync", | |
3284 | .type = QEMU_OPT_BOOL, | |
3285 | },{ | |
3286 | .name = "sasl", | |
3287 | .type = QEMU_OPT_BOOL, | |
3288 | },{ | |
3e305e4a | 3289 | /* Deprecated in favour of tls-creds */ |
4db14629 GH |
3290 | .name = "tls", |
3291 | .type = QEMU_OPT_BOOL, | |
3292 | },{ | |
3e305e4a | 3293 | /* Deprecated in favour of tls-creds */ |
4db14629 | 3294 | .name = "x509verify", |
8c7d0645 | 3295 | .type = QEMU_OPT_STRING, |
4db14629 GH |
3296 | },{ |
3297 | .name = "acl", | |
3298 | .type = QEMU_OPT_BOOL, | |
3299 | },{ | |
3300 | .name = "lossy", | |
3301 | .type = QEMU_OPT_BOOL, | |
3302 | },{ | |
3303 | .name = "non-adaptive", | |
3304 | .type = QEMU_OPT_BOOL, | |
3305 | }, | |
3306 | { /* end of list */ } | |
3307 | }, | |
3308 | }; | |
3309 | ||
0dd72e15 | 3310 | |
3e305e4a | 3311 | static int |
0dd72e15 DB |
3312 | vnc_display_setup_auth(VncDisplay *vs, |
3313 | bool password, | |
3314 | bool sasl, | |
3e305e4a DB |
3315 | bool websocket, |
3316 | Error **errp) | |
0dd72e15 DB |
3317 | { |
3318 | /* | |
3319 | * We have a choice of 3 authentication options | |
3320 | * | |
3321 | * 1. none | |
3322 | * 2. vnc | |
3323 | * 3. sasl | |
3324 | * | |
3325 | * The channel can be run in 2 modes | |
3326 | * | |
3327 | * 1. clear | |
3328 | * 2. tls | |
3329 | * | |
3330 | * And TLS can use 2 types of credentials | |
3331 | * | |
3332 | * 1. anon | |
3333 | * 2. x509 | |
3334 | * | |
3335 | * We thus have 9 possible logical combinations | |
3336 | * | |
3337 | * 1. clear + none | |
3338 | * 2. clear + vnc | |
3339 | * 3. clear + sasl | |
3340 | * 4. tls + anon + none | |
3341 | * 5. tls + anon + vnc | |
3342 | * 6. tls + anon + sasl | |
3343 | * 7. tls + x509 + none | |
3344 | * 8. tls + x509 + vnc | |
3345 | * 9. tls + x509 + sasl | |
3346 | * | |
3347 | * These need to be mapped into the VNC auth schemes | |
3348 | * in an appropriate manner. In regular VNC, all the | |
3349 | * TLS options get mapped into VNC_AUTH_VENCRYPT | |
3350 | * sub-auth types. | |
f9148c8a DB |
3351 | * |
3352 | * In websockets, the https:// protocol already provides | |
3353 | * TLS support, so there is no need to make use of the | |
3354 | * VeNCrypt extension. Furthermore, websockets browser | |
3355 | * clients could not use VeNCrypt even if they wanted to, | |
3356 | * as they cannot control when the TLS handshake takes | |
3357 | * place. Thus there is no option but to rely on https://, | |
3358 | * meaning combinations 4->6 and 7->9 will be mapped to | |
3359 | * VNC auth schemes in the same way as combos 1->3. | |
3360 | * | |
3361 | * Regardless of fact that we have a different mapping to | |
3362 | * VNC auth mechs for plain VNC vs websockets VNC, the end | |
3363 | * result has the same security characteristics. | |
0dd72e15 DB |
3364 | */ |
3365 | if (password) { | |
3e305e4a | 3366 | if (vs->tlscreds) { |
0dd72e15 | 3367 | vs->auth = VNC_AUTH_VENCRYPT; |
f9148c8a DB |
3368 | if (websocket) { |
3369 | vs->ws_tls = true; | |
3370 | } | |
3e305e4a DB |
3371 | if (object_dynamic_cast(OBJECT(vs->tlscreds), |
3372 | TYPE_QCRYPTO_TLS_CREDS_X509)) { | |
0dd72e15 DB |
3373 | VNC_DEBUG("Initializing VNC server with x509 password auth\n"); |
3374 | vs->subauth = VNC_AUTH_VENCRYPT_X509VNC; | |
3e305e4a DB |
3375 | } else if (object_dynamic_cast(OBJECT(vs->tlscreds), |
3376 | TYPE_QCRYPTO_TLS_CREDS_ANON)) { | |
0dd72e15 DB |
3377 | VNC_DEBUG("Initializing VNC server with TLS password auth\n"); |
3378 | vs->subauth = VNC_AUTH_VENCRYPT_TLSVNC; | |
3e305e4a DB |
3379 | } else { |
3380 | error_setg(errp, | |
3381 | "Unsupported TLS cred type %s", | |
3382 | object_get_typename(OBJECT(vs->tlscreds))); | |
3383 | return -1; | |
0dd72e15 DB |
3384 | } |
3385 | } else { | |
3386 | VNC_DEBUG("Initializing VNC server with password auth\n"); | |
3387 | vs->auth = VNC_AUTH_VNC; | |
3388 | vs->subauth = VNC_AUTH_INVALID; | |
3389 | } | |
f9148c8a DB |
3390 | if (websocket) { |
3391 | vs->ws_auth = VNC_AUTH_VNC; | |
3392 | } else { | |
3393 | vs->ws_auth = VNC_AUTH_INVALID; | |
3394 | } | |
0dd72e15 | 3395 | } else if (sasl) { |
3e305e4a | 3396 | if (vs->tlscreds) { |
0dd72e15 | 3397 | vs->auth = VNC_AUTH_VENCRYPT; |
f9148c8a DB |
3398 | if (websocket) { |
3399 | vs->ws_tls = true; | |
3400 | } | |
3e305e4a DB |
3401 | if (object_dynamic_cast(OBJECT(vs->tlscreds), |
3402 | TYPE_QCRYPTO_TLS_CREDS_X509)) { | |
0dd72e15 DB |
3403 | VNC_DEBUG("Initializing VNC server with x509 SASL auth\n"); |
3404 | vs->subauth = VNC_AUTH_VENCRYPT_X509SASL; | |
3e305e4a DB |
3405 | } else if (object_dynamic_cast(OBJECT(vs->tlscreds), |
3406 | TYPE_QCRYPTO_TLS_CREDS_ANON)) { | |
0dd72e15 DB |
3407 | VNC_DEBUG("Initializing VNC server with TLS SASL auth\n"); |
3408 | vs->subauth = VNC_AUTH_VENCRYPT_TLSSASL; | |
3e305e4a DB |
3409 | } else { |
3410 | error_setg(errp, | |
3411 | "Unsupported TLS cred type %s", | |
3412 | object_get_typename(OBJECT(vs->tlscreds))); | |
3413 | return -1; | |
0dd72e15 DB |
3414 | } |
3415 | } else { | |
3416 | VNC_DEBUG("Initializing VNC server with SASL auth\n"); | |
3417 | vs->auth = VNC_AUTH_SASL; | |
3418 | vs->subauth = VNC_AUTH_INVALID; | |
3419 | } | |
f9148c8a DB |
3420 | if (websocket) { |
3421 | vs->ws_auth = VNC_AUTH_SASL; | |
3422 | } else { | |
3423 | vs->ws_auth = VNC_AUTH_INVALID; | |
3424 | } | |
0dd72e15 | 3425 | } else { |
3e305e4a | 3426 | if (vs->tlscreds) { |
0dd72e15 | 3427 | vs->auth = VNC_AUTH_VENCRYPT; |
f9148c8a DB |
3428 | if (websocket) { |
3429 | vs->ws_tls = true; | |
3430 | } | |
3e305e4a DB |
3431 | if (object_dynamic_cast(OBJECT(vs->tlscreds), |
3432 | TYPE_QCRYPTO_TLS_CREDS_X509)) { | |
0dd72e15 DB |
3433 | VNC_DEBUG("Initializing VNC server with x509 no auth\n"); |
3434 | vs->subauth = VNC_AUTH_VENCRYPT_X509NONE; | |
3e305e4a DB |
3435 | } else if (object_dynamic_cast(OBJECT(vs->tlscreds), |
3436 | TYPE_QCRYPTO_TLS_CREDS_ANON)) { | |
0dd72e15 DB |
3437 | VNC_DEBUG("Initializing VNC server with TLS no auth\n"); |
3438 | vs->subauth = VNC_AUTH_VENCRYPT_TLSNONE; | |
3e305e4a DB |
3439 | } else { |
3440 | error_setg(errp, | |
3441 | "Unsupported TLS cred type %s", | |
3442 | object_get_typename(OBJECT(vs->tlscreds))); | |
3443 | return -1; | |
0dd72e15 DB |
3444 | } |
3445 | } else { | |
3446 | VNC_DEBUG("Initializing VNC server with no auth\n"); | |
3447 | vs->auth = VNC_AUTH_NONE; | |
3448 | vs->subauth = VNC_AUTH_INVALID; | |
3449 | } | |
f9148c8a DB |
3450 | if (websocket) { |
3451 | vs->ws_auth = VNC_AUTH_NONE; | |
3452 | } else { | |
3453 | vs->ws_auth = VNC_AUTH_INVALID; | |
3454 | } | |
0dd72e15 | 3455 | } |
3e305e4a DB |
3456 | return 0; |
3457 | } | |
3458 | ||
3459 | ||
3460 | /* | |
3461 | * Handle back compat with old CLI syntax by creating some | |
3462 | * suitable QCryptoTLSCreds objects | |
3463 | */ | |
3464 | static QCryptoTLSCreds * | |
3465 | vnc_display_create_creds(bool x509, | |
3466 | bool x509verify, | |
3467 | const char *dir, | |
3468 | const char *id, | |
3469 | Error **errp) | |
3470 | { | |
3471 | gchar *credsid = g_strdup_printf("tlsvnc%s", id); | |
3472 | Object *parent = object_get_objects_root(); | |
3473 | Object *creds; | |
3474 | Error *err = NULL; | |
3475 | ||
3476 | if (x509) { | |
3477 | creds = object_new_with_props(TYPE_QCRYPTO_TLS_CREDS_X509, | |
3478 | parent, | |
3479 | credsid, | |
3480 | &err, | |
3481 | "endpoint", "server", | |
3482 | "dir", dir, | |
3483 | "verify-peer", x509verify ? "yes" : "no", | |
3484 | NULL); | |
3485 | } else { | |
3486 | creds = object_new_with_props(TYPE_QCRYPTO_TLS_CREDS_ANON, | |
3487 | parent, | |
3488 | credsid, | |
3489 | &err, | |
3490 | "endpoint", "server", | |
3491 | NULL); | |
3492 | } | |
3493 | ||
3494 | g_free(credsid); | |
3495 | ||
3496 | if (err) { | |
3497 | error_propagate(errp, err); | |
3498 | return NULL; | |
3499 | } | |
3500 | ||
3501 | return QCRYPTO_TLS_CREDS(creds); | |
0dd72e15 DB |
3502 | } |
3503 | ||
3e305e4a | 3504 | |
4db14629 | 3505 | void vnc_display_open(const char *id, Error **errp) |
71cab5ca | 3506 | { |
14f7143e | 3507 | VncDisplay *vs = vnc_display_find(id); |
4db14629 | 3508 | QemuOpts *opts = qemu_opts_find(&qemu_vnc_opts, id); |
e5560329 | 3509 | QemuOpts *sopts, *wsopts; |
e2a11d9d | 3510 | const char *share, *device_id; |
1d0d59fe | 3511 | QemuConsole *con; |
a2c72de0 GA |
3512 | bool password = false; |
3513 | bool reverse = false; | |
e2a11d9d GA |
3514 | const char *vnc; |
3515 | const char *has_to; | |
e5560329 | 3516 | char *h; |
e2a11d9d GA |
3517 | bool has_ipv4 = false; |
3518 | bool has_ipv6 = false; | |
3e305e4a | 3519 | const char *credid; |
4478aa76 | 3520 | const char *websocket; |
a2c72de0 | 3521 | bool sasl = false; |
d169f04b | 3522 | #ifdef CONFIG_VNC_SASL |
2f9606b3 AL |
3523 | int saslErr; |
3524 | #endif | |
76655d6d | 3525 | int acl = 0; |
3a0558b5 | 3526 | int lock_key_sync = 1; |
71cab5ca | 3527 | |
d616ccc5 | 3528 | if (!vs) { |
2d55f0e8 PB |
3529 | error_setg(errp, "VNC display not active"); |
3530 | return; | |
3531 | } | |
14f7143e | 3532 | vnc_display_close(vs); |
24236869 | 3533 | |
4db14629 GH |
3534 | if (!opts) { |
3535 | return; | |
3536 | } | |
e2a11d9d GA |
3537 | vnc = qemu_opt_get(opts, "vnc"); |
3538 | if (!vnc || strcmp(vnc, "none") == 0) { | |
4db14629 GH |
3539 | return; |
3540 | } | |
e2a11d9d | 3541 | |
e5560329 GH |
3542 | sopts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); |
3543 | wsopts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); | |
3544 | ||
3545 | h = strrchr(vnc, ':'); | |
3546 | if (h) { | |
274c3b52 JT |
3547 | char *host; |
3548 | size_t hlen = h - vnc; | |
3549 | ||
3550 | if (vnc[0] == '[' && vnc[hlen - 1] == ']') { | |
3551 | host = g_strndup(vnc + 1, hlen - 2); | |
3552 | } else { | |
3553 | host = g_strndup(vnc, hlen); | |
3554 | } | |
e5560329 GH |
3555 | qemu_opt_set(sopts, "host", host, &error_abort); |
3556 | qemu_opt_set(wsopts, "host", host, &error_abort); | |
3557 | qemu_opt_set(sopts, "port", h+1, &error_abort); | |
3558 | g_free(host); | |
3559 | } else { | |
3560 | error_setg(errp, "no vnc port specified"); | |
3561 | goto fail; | |
e2a11d9d | 3562 | } |
e5560329 GH |
3563 | |
3564 | has_to = qemu_opt_get(opts, "to"); | |
e2a11d9d GA |
3565 | has_ipv4 = qemu_opt_get_bool(opts, "ipv4", false); |
3566 | has_ipv6 = qemu_opt_get_bool(opts, "ipv6", false); | |
e5560329 GH |
3567 | if (has_to) { |
3568 | qemu_opt_set(sopts, "to", has_to, &error_abort); | |
3569 | qemu_opt_set(wsopts, "to", has_to, &error_abort); | |
3570 | } | |
3571 | if (has_ipv4) { | |
3572 | qemu_opt_set(sopts, "ipv4", "on", &error_abort); | |
3573 | qemu_opt_set(wsopts, "ipv4", "on", &error_abort); | |
3574 | } | |
3575 | if (has_ipv6) { | |
3576 | qemu_opt_set(sopts, "ipv6", "on", &error_abort); | |
3577 | qemu_opt_set(wsopts, "ipv6", "on", &error_abort); | |
3578 | } | |
4db14629 GH |
3579 | |
3580 | password = qemu_opt_get_bool(opts, "password", false); | |
800567a6 DB |
3581 | if (password) { |
3582 | if (fips_get_state()) { | |
3583 | error_setg(errp, | |
3584 | "VNC password auth disabled due to FIPS mode, " | |
3585 | "consider using the VeNCrypt or SASL authentication " | |
3586 | "methods as an alternative"); | |
3587 | goto fail; | |
3588 | } | |
3589 | if (!qcrypto_cipher_supports( | |
3590 | QCRYPTO_CIPHER_ALG_DES_RFB)) { | |
3591 | error_setg(errp, | |
3592 | "Cipher backend does not support DES RFB algorithm"); | |
3593 | goto fail; | |
3594 | } | |
4db14629 GH |
3595 | } |
3596 | ||
3597 | reverse = qemu_opt_get_bool(opts, "reverse", false); | |
3598 | lock_key_sync = qemu_opt_get_bool(opts, "lock-key-sync", true); | |
4db14629 | 3599 | sasl = qemu_opt_get_bool(opts, "sasl", false); |
d169f04b DB |
3600 | #ifndef CONFIG_VNC_SASL |
3601 | if (sasl) { | |
3602 | error_setg(errp, "VNC SASL auth requires cyrus-sasl support"); | |
3603 | goto fail; | |
3604 | } | |
3605 | #endif /* CONFIG_VNC_SASL */ | |
3e305e4a DB |
3606 | credid = qemu_opt_get(opts, "tls-creds"); |
3607 | if (credid) { | |
3608 | Object *creds; | |
3609 | if (qemu_opt_get(opts, "tls") || | |
3610 | qemu_opt_get(opts, "x509") || | |
3611 | qemu_opt_get(opts, "x509verify")) { | |
3612 | error_setg(errp, | |
3613 | "'credid' parameter is mutually exclusive with " | |
3614 | "'tls', 'x509' and 'x509verify' parameters"); | |
4db14629 GH |
3615 | goto fail; |
3616 | } | |
3e305e4a DB |
3617 | |
3618 | creds = object_resolve_path_component( | |
3619 | object_get_objects_root(), credid); | |
3620 | if (!creds) { | |
3621 | error_setg(errp, "No TLS credentials with id '%s'", | |
3622 | credid); | |
3623 | goto fail; | |
3624 | } | |
3625 | vs->tlscreds = (QCryptoTLSCreds *) | |
3626 | object_dynamic_cast(creds, | |
3627 | TYPE_QCRYPTO_TLS_CREDS); | |
3628 | if (!vs->tlscreds) { | |
3629 | error_setg(errp, "Object with id '%s' is not TLS credentials", | |
3630 | credid); | |
3631 | goto fail; | |
3632 | } | |
3633 | object_ref(OBJECT(vs->tlscreds)); | |
3634 | ||
3635 | if (vs->tlscreds->endpoint != QCRYPTO_TLS_CREDS_ENDPOINT_SERVER) { | |
3636 | error_setg(errp, | |
3637 | "Expecting TLS credentials with a server endpoint"); | |
3638 | goto fail; | |
3639 | } | |
3640 | } else { | |
3641 | const char *path; | |
3642 | bool tls = false, x509 = false, x509verify = false; | |
3643 | tls = qemu_opt_get_bool(opts, "tls", false); | |
3644 | if (tls) { | |
3645 | path = qemu_opt_get(opts, "x509"); | |
3646 | ||
3647 | if (path) { | |
3648 | x509 = true; | |
3649 | } else { | |
3650 | path = qemu_opt_get(opts, "x509verify"); | |
3651 | if (path) { | |
3652 | x509 = true; | |
3653 | x509verify = true; | |
3654 | } | |
3655 | } | |
3656 | vs->tlscreds = vnc_display_create_creds(x509, | |
3657 | x509verify, | |
3658 | path, | |
3659 | vs->id, | |
3660 | errp); | |
3661 | if (!vs->tlscreds) { | |
3662 | goto fail; | |
3663 | } | |
3664 | } | |
4db14629 | 3665 | } |
4db14629 | 3666 | acl = qemu_opt_get_bool(opts, "acl", false); |
4db14629 GH |
3667 | |
3668 | share = qemu_opt_get(opts, "share"); | |
3669 | if (share) { | |
3670 | if (strcmp(share, "ignore") == 0) { | |
3671 | vs->share_policy = VNC_SHARE_POLICY_IGNORE; | |
3672 | } else if (strcmp(share, "allow-exclusive") == 0) { | |
3673 | vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE; | |
3674 | } else if (strcmp(share, "force-shared") == 0) { | |
3675 | vs->share_policy = VNC_SHARE_POLICY_FORCE_SHARED; | |
3676 | } else { | |
3677 | error_setg(errp, "unknown vnc share= option"); | |
3678 | goto fail; | |
3679 | } | |
3680 | } else { | |
3681 | vs->share_policy = VNC_SHARE_POLICY_ALLOW_EXCLUSIVE; | |
3682 | } | |
e5f34cdd | 3683 | vs->connections_limit = qemu_opt_get_number(opts, "connections", 32); |
4db14629 | 3684 | |
4db14629 GH |
3685 | websocket = qemu_opt_get(opts, "websocket"); |
3686 | if (websocket) { | |
bf7aa45e | 3687 | vs->ws_enabled = true; |
e5560329 | 3688 | qemu_opt_set(wsopts, "port", websocket, &error_abort); |
8e9b0d24 DB |
3689 | if (!qcrypto_hash_supports(QCRYPTO_HASH_ALG_SHA1)) { |
3690 | error_setg(errp, "SHA1 hash support is required for websockets"); | |
3691 | goto fail; | |
3692 | } | |
70848515 TS |
3693 | } |
3694 | ||
4db14629 GH |
3695 | #ifdef CONFIG_VNC_JPEG |
3696 | vs->lossy = qemu_opt_get_bool(opts, "lossy", false); | |
3697 | #endif | |
3698 | vs->non_adaptive = qemu_opt_get_bool(opts, "non-adaptive", false); | |
e22492d3 PL |
3699 | /* adaptive updates are only used with tight encoding and |
3700 | * if lossy updates are enabled so we can disable all the | |
3701 | * calculations otherwise */ | |
3702 | if (!vs->lossy) { | |
3703 | vs->non_adaptive = true; | |
3704 | } | |
3705 | ||
3e305e4a | 3706 | if (acl) { |
c8496408 | 3707 | if (strcmp(vs->id, "default") == 0) { |
3e305e4a | 3708 | vs->tlsaclname = g_strdup("vnc.x509dname"); |
c8496408 | 3709 | } else { |
3e305e4a | 3710 | vs->tlsaclname = g_strdup_printf("vnc.%s.x509dname", vs->id); |
c8496408 | 3711 | } |
3e305e4a DB |
3712 | qemu_acl_init(vs->tlsaclname); |
3713 | } | |
76655d6d AL |
3714 | #ifdef CONFIG_VNC_SASL |
3715 | if (acl && sasl) { | |
c8496408 GH |
3716 | char *aclname; |
3717 | ||
3718 | if (strcmp(vs->id, "default") == 0) { | |
3719 | aclname = g_strdup("vnc.username"); | |
3720 | } else { | |
3721 | aclname = g_strdup_printf("vnc.%s.username", vs->id); | |
3722 | } | |
3723 | vs->sasl.acl = qemu_acl_init(aclname); | |
c8496408 | 3724 | g_free(aclname); |
76655d6d AL |
3725 | } |
3726 | #endif | |
3727 | ||
3e305e4a DB |
3728 | if (vnc_display_setup_auth(vs, password, sasl, websocket, errp) < 0) { |
3729 | goto fail; | |
3730 | } | |
24236869 | 3731 | |
2f9606b3 AL |
3732 | #ifdef CONFIG_VNC_SASL |
3733 | if ((saslErr = sasl_server_init(NULL, "qemu")) != SASL_OK) { | |
2d55f0e8 PB |
3734 | error_setg(errp, "Failed to initialize SASL auth: %s", |
3735 | sasl_errstring(saslErr, NULL, NULL)); | |
1ce52c78 | 3736 | goto fail; |
2f9606b3 AL |
3737 | } |
3738 | #endif | |
3a0558b5 | 3739 | vs->lock_key_sync = lock_key_sync; |
2f9606b3 | 3740 | |
1d0d59fe GH |
3741 | device_id = qemu_opt_get(opts, "display"); |
3742 | if (device_id) { | |
3743 | DeviceState *dev; | |
3744 | int head = qemu_opt_get_number(opts, "head", 0); | |
3745 | ||
3746 | dev = qdev_find_recursive(sysbus_get_default(), device_id); | |
3747 | if (dev == NULL) { | |
f3cf80e8 | 3748 | error_setg(errp, "Device '%s' not found", device_id); |
1d0d59fe GH |
3749 | goto fail; |
3750 | } | |
3751 | ||
3752 | con = qemu_console_lookup_by_device(dev, head); | |
3753 | if (con == NULL) { | |
3754 | error_setg(errp, "Device %s is not bound to a QemuConsole", | |
3755 | device_id); | |
3756 | goto fail; | |
3757 | } | |
3758 | } else { | |
3759 | con = NULL; | |
3760 | } | |
3761 | ||
3762 | if (con != vs->dcl.con) { | |
3763 | unregister_displaychangelistener(&vs->dcl); | |
3764 | vs->dcl.con = con; | |
3765 | register_displaychangelistener(&vs->dcl); | |
3766 | } | |
3767 | ||
3aa3eea3 | 3768 | if (reverse) { |
9712ecaf | 3769 | /* connect to viewer */ |
007fcd3e PB |
3770 | int csock; |
3771 | vs->lsock = -1; | |
7536ee4b | 3772 | vs->lwebsock = -1; |
e5560329 GH |
3773 | if (strncmp(vnc, "unix:", 5) == 0) { |
3774 | csock = unix_connect(vnc+5, errp); | |
3aa3eea3 | 3775 | } else { |
e5560329 | 3776 | csock = inet_connect(vnc, errp); |
3aa3eea3 | 3777 | } |
007fcd3e PB |
3778 | if (csock < 0) { |
3779 | goto fail; | |
3780 | } | |
2c8cf549 | 3781 | vnc_connect(vs, csock, false, false); |
9712ecaf AL |
3782 | } else { |
3783 | /* listen for connects */ | |
e5560329 GH |
3784 | if (strncmp(vnc, "unix:", 5) == 0) { |
3785 | vs->lsock = unix_listen(vnc+5, NULL, 0, errp); | |
3d00ac1a CR |
3786 | if (vs->lsock < 0) { |
3787 | goto fail; | |
3788 | } | |
bf7aa45e | 3789 | vs->is_unix = true; |
9712ecaf | 3790 | } else { |
e5560329 | 3791 | vs->lsock = inet_listen_opts(sopts, 5900, errp); |
7536ee4b | 3792 | if (vs->lsock < 0) { |
7536ee4b TH |
3793 | goto fail; |
3794 | } | |
bf7aa45e | 3795 | if (vs->ws_enabled) { |
e5560329 | 3796 | vs->lwebsock = inet_listen_opts(wsopts, 0, errp); |
7536ee4b | 3797 | if (vs->lwebsock < 0) { |
b3c33f91 | 3798 | if (vs->lsock != -1) { |
7536ee4b TH |
3799 | close(vs->lsock); |
3800 | vs->lsock = -1; | |
3801 | } | |
7536ee4b TH |
3802 | goto fail; |
3803 | } | |
3804 | } | |
9712ecaf | 3805 | } |
bf7aa45e | 3806 | vs->enabled = true; |
82e1cc4b | 3807 | qemu_set_fd_handler(vs->lsock, vnc_listen_regular_read, NULL, vs); |
bf7aa45e | 3808 | if (vs->ws_enabled) { |
82e1cc4b FZ |
3809 | qemu_set_fd_handler(vs->lwebsock, vnc_listen_websocket_read, |
3810 | NULL, vs); | |
7536ee4b | 3811 | } |
24236869 | 3812 | } |
e5560329 GH |
3813 | qemu_opts_del(sopts); |
3814 | qemu_opts_del(wsopts); | |
2d55f0e8 | 3815 | return; |
1ce52c78 PB |
3816 | |
3817 | fail: | |
e5560329 GH |
3818 | qemu_opts_del(sopts); |
3819 | qemu_opts_del(wsopts); | |
bf7aa45e | 3820 | vs->enabled = false; |
bf7aa45e | 3821 | vs->ws_enabled = false; |
24236869 | 3822 | } |
13661089 | 3823 | |
14f7143e | 3824 | void vnc_display_add_client(const char *id, int csock, bool skipauth) |
13661089 | 3825 | { |
14f7143e | 3826 | VncDisplay *vs = vnc_display_find(id); |
13661089 | 3827 | |
d616ccc5 GH |
3828 | if (!vs) { |
3829 | return; | |
3830 | } | |
2c8cf549 | 3831 | vnc_connect(vs, csock, skipauth, false); |
13661089 | 3832 | } |
4db14629 | 3833 | |
9634f4e3 | 3834 | static void vnc_auto_assign_id(QemuOptsList *olist, QemuOpts *opts) |
2779672f GA |
3835 | { |
3836 | int i = 2; | |
3837 | char *id; | |
3838 | ||
3839 | id = g_strdup("default"); | |
3840 | while (qemu_opts_find(olist, id)) { | |
3841 | g_free(id); | |
3842 | id = g_strdup_printf("vnc%d", i++); | |
3843 | } | |
3844 | qemu_opts_set_id(opts, id); | |
3845 | } | |
3846 | ||
70b94331 | 3847 | QemuOpts *vnc_parse(const char *str, Error **errp) |
4db14629 | 3848 | { |
4db14629 | 3849 | QemuOptsList *olist = qemu_find_opts("vnc"); |
70b94331 | 3850 | QemuOpts *opts = qemu_opts_parse(olist, str, true, errp); |
81607cbf | 3851 | const char *id; |
4db14629 | 3852 | |
81607cbf GA |
3853 | if (!opts) { |
3854 | return NULL; | |
3855 | } | |
3856 | ||
3857 | id = qemu_opts_id(opts); | |
4db14629 GH |
3858 | if (!id) { |
3859 | /* auto-assign id if not present */ | |
2779672f | 3860 | vnc_auto_assign_id(olist, opts); |
4db14629 | 3861 | } |
9634f4e3 GH |
3862 | return opts; |
3863 | } | |
3864 | ||
28d0de7a | 3865 | int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp) |
9634f4e3 GH |
3866 | { |
3867 | Error *local_err = NULL; | |
3868 | char *id = (char *)qemu_opts_id(opts); | |
4db14629 | 3869 | |
9634f4e3 | 3870 | assert(id); |
4db14629 GH |
3871 | vnc_display_init(id); |
3872 | vnc_display_open(id, &local_err); | |
3873 | if (local_err != NULL) { | |
bc119048 | 3874 | error_report("Failed to start VNC server: %s", |
4db14629 GH |
3875 | error_get_pretty(local_err)); |
3876 | error_free(local_err); | |
3877 | exit(1); | |
3878 | } | |
3879 | return 0; | |
3880 | } | |
3881 | ||
3882 | static void vnc_register_config(void) | |
3883 | { | |
3884 | qemu_add_opts(&qemu_vnc_opts); | |
3885 | } | |
3886 | machine_init(vnc_register_config); |