Merge remote-tracking branch 'remotes/rth/tags/pull-pa-20200127' into staging
[qemu.git] / ui / spice-core.c
1 /*
2 * Copyright (C) 2010 Red Hat, Inc.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 or
7 * (at your option) version 3 of the License.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
16 */
17
18 #include "qemu/osdep.h"
19 #include <spice.h>
20
21 #include "sysemu/sysemu.h"
22 #include "sysemu/runstate.h"
23 #include "ui/qemu-spice.h"
24 #include "qemu/error-report.h"
25 #include "qemu/main-loop.h"
26 #include "qemu/module.h"
27 #include "qemu/thread.h"
28 #include "qemu/timer.h"
29 #include "qemu/queue.h"
30 #include "qemu-x509.h"
31 #include "qemu/sockets.h"
32 #include "qapi/error.h"
33 #include "qapi/qapi-commands-ui.h"
34 #include "qapi/qapi-events-ui.h"
35 #include "qemu/notify.h"
36 #include "qemu/option.h"
37 #include "migration/misc.h"
38 #include "hw/pci/pci_bus.h"
39 #include "ui/spice-display.h"
40
41 /* core bits */
42
43 static SpiceServer *spice_server;
44 static Notifier migration_state;
45 static const char *auth = "spice";
46 static char *auth_passwd;
47 static time_t auth_expires = TIME_MAX;
48 static int spice_migration_completed;
49 static int spice_display_is_running;
50 static int spice_have_target_host;
51 int using_spice = 0;
52
53 static QemuThread me;
54
55 struct SpiceTimer {
56 QEMUTimer *timer;
57 };
58
59 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
60 {
61 SpiceTimer *timer;
62
63 timer = g_malloc0(sizeof(*timer));
64 timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
65 return timer;
66 }
67
68 static void timer_start(SpiceTimer *timer, uint32_t ms)
69 {
70 timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
71 }
72
73 static void timer_cancel(SpiceTimer *timer)
74 {
75 timer_del(timer->timer);
76 }
77
78 static void timer_remove(SpiceTimer *timer)
79 {
80 timer_del(timer->timer);
81 timer_free(timer->timer);
82 g_free(timer);
83 }
84
85 struct SpiceWatch {
86 int fd;
87 SpiceWatchFunc func;
88 void *opaque;
89 };
90
91 static void watch_read(void *opaque)
92 {
93 SpiceWatch *watch = opaque;
94 watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
95 }
96
97 static void watch_write(void *opaque)
98 {
99 SpiceWatch *watch = opaque;
100 watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
101 }
102
103 static void watch_update_mask(SpiceWatch *watch, int event_mask)
104 {
105 IOHandler *on_read = NULL;
106 IOHandler *on_write = NULL;
107
108 if (event_mask & SPICE_WATCH_EVENT_READ) {
109 on_read = watch_read;
110 }
111 if (event_mask & SPICE_WATCH_EVENT_WRITE) {
112 on_write = watch_write;
113 }
114 qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
115 }
116
117 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
118 {
119 SpiceWatch *watch;
120
121 watch = g_malloc0(sizeof(*watch));
122 watch->fd = fd;
123 watch->func = func;
124 watch->opaque = opaque;
125
126 watch_update_mask(watch, event_mask);
127 return watch;
128 }
129
130 static void watch_remove(SpiceWatch *watch)
131 {
132 qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
133 g_free(watch);
134 }
135
136 typedef struct ChannelList ChannelList;
137 struct ChannelList {
138 SpiceChannelEventInfo *info;
139 QTAILQ_ENTRY(ChannelList) link;
140 };
141 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
142
143 static void channel_list_add(SpiceChannelEventInfo *info)
144 {
145 ChannelList *item;
146
147 item = g_malloc0(sizeof(*item));
148 item->info = info;
149 QTAILQ_INSERT_TAIL(&channel_list, item, link);
150 }
151
152 static void channel_list_del(SpiceChannelEventInfo *info)
153 {
154 ChannelList *item;
155
156 QTAILQ_FOREACH(item, &channel_list, link) {
157 if (item->info != info) {
158 continue;
159 }
160 QTAILQ_REMOVE(&channel_list, item, link);
161 g_free(item);
162 return;
163 }
164 }
165
166 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
167 {
168 char host[NI_MAXHOST], port[NI_MAXSERV];
169
170 getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
171 NI_NUMERICHOST | NI_NUMERICSERV);
172
173 info->host = g_strdup(host);
174 info->port = g_strdup(port);
175 info->family = inet_netfamily(addr->sa_family);
176 }
177
178 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
179 {
180 int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
181
182 sc->connection_id = info->connection_id;
183 sc->channel_type = info->type;
184 sc->channel_id = info->id;
185 sc->tls = !!tls;
186 }
187
188 static void channel_event(int event, SpiceChannelEventInfo *info)
189 {
190 SpiceServerInfo *server = g_malloc0(sizeof(*server));
191 SpiceChannel *client = g_malloc0(sizeof(*client));
192
193 /*
194 * Spice server might have called us from spice worker thread
195 * context (happens on display channel disconnects). Spice should
196 * not do that. It isn't that easy to fix it in spice and even
197 * when it is fixed we still should cover the already released
198 * spice versions. So detect that we've been called from another
199 * thread and grab the iothread lock if so before calling qemu
200 * functions.
201 */
202 bool need_lock = !qemu_thread_is_self(&me);
203 if (need_lock) {
204 qemu_mutex_lock_iothread();
205 }
206
207 if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
208 add_addr_info(qapi_SpiceChannel_base(client),
209 (struct sockaddr *)&info->paddr_ext,
210 info->plen_ext);
211 add_addr_info(qapi_SpiceServerInfo_base(server),
212 (struct sockaddr *)&info->laddr_ext,
213 info->llen_ext);
214 } else {
215 error_report("spice: %s, extended address is expected",
216 __func__);
217 }
218
219 switch (event) {
220 case SPICE_CHANNEL_EVENT_CONNECTED:
221 qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server),
222 qapi_SpiceChannel_base(client));
223 break;
224 case SPICE_CHANNEL_EVENT_INITIALIZED:
225 if (auth) {
226 server->has_auth = true;
227 server->auth = g_strdup(auth);
228 }
229 add_channel_info(client, info);
230 channel_list_add(info);
231 qapi_event_send_spice_initialized(server, client);
232 break;
233 case SPICE_CHANNEL_EVENT_DISCONNECTED:
234 channel_list_del(info);
235 qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server),
236 qapi_SpiceChannel_base(client));
237 break;
238 default:
239 break;
240 }
241
242 if (need_lock) {
243 qemu_mutex_unlock_iothread();
244 }
245
246 qapi_free_SpiceServerInfo(server);
247 qapi_free_SpiceChannel(client);
248 }
249
250 static SpiceCoreInterface core_interface = {
251 .base.type = SPICE_INTERFACE_CORE,
252 .base.description = "qemu core services",
253 .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
254 .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
255
256 .timer_add = timer_add,
257 .timer_start = timer_start,
258 .timer_cancel = timer_cancel,
259 .timer_remove = timer_remove,
260
261 .watch_add = watch_add,
262 .watch_update_mask = watch_update_mask,
263 .watch_remove = watch_remove,
264
265 .channel_event = channel_event,
266 };
267
268 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
269 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
270
271 static const SpiceMigrateInterface migrate_interface = {
272 .base.type = SPICE_INTERFACE_MIGRATION,
273 .base.description = "migration",
274 .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
275 .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
276 .migrate_connect_complete = migrate_connect_complete_cb,
277 .migrate_end_complete = migrate_end_complete_cb,
278 };
279
280 static SpiceMigrateInstance spice_migrate;
281
282 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
283 {
284 /* nothing, but libspice-server expects this cb being present. */
285 }
286
287 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
288 {
289 qapi_event_send_spice_migrate_completed();
290 spice_migration_completed = true;
291 }
292
293 /* config string parsing */
294
295 static int name2enum(const char *string, const char *table[], int entries)
296 {
297 int i;
298
299 if (string) {
300 for (i = 0; i < entries; i++) {
301 if (!table[i]) {
302 continue;
303 }
304 if (strcmp(string, table[i]) != 0) {
305 continue;
306 }
307 return i;
308 }
309 }
310 return -1;
311 }
312
313 static int parse_name(const char *string, const char *optname,
314 const char *table[], int entries)
315 {
316 int value = name2enum(string, table, entries);
317
318 if (value != -1) {
319 return value;
320 }
321 error_report("spice: invalid %s: %s", optname, string);
322 exit(1);
323 }
324
325 static const char *stream_video_names[] = {
326 [ SPICE_STREAM_VIDEO_OFF ] = "off",
327 [ SPICE_STREAM_VIDEO_ALL ] = "all",
328 [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
329 };
330 #define parse_stream_video(_name) \
331 parse_name(_name, "stream video control", \
332 stream_video_names, ARRAY_SIZE(stream_video_names))
333
334 static const char *compression_names[] = {
335 [ SPICE_IMAGE_COMPRESS_OFF ] = "off",
336 [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
337 [ SPICE_IMAGE_COMPRESS_AUTO_LZ ] = "auto_lz",
338 [ SPICE_IMAGE_COMPRESS_QUIC ] = "quic",
339 [ SPICE_IMAGE_COMPRESS_GLZ ] = "glz",
340 [ SPICE_IMAGE_COMPRESS_LZ ] = "lz",
341 };
342 #define parse_compression(_name) \
343 parse_name(_name, "image compression", \
344 compression_names, ARRAY_SIZE(compression_names))
345
346 static const char *wan_compression_names[] = {
347 [ SPICE_WAN_COMPRESSION_AUTO ] = "auto",
348 [ SPICE_WAN_COMPRESSION_NEVER ] = "never",
349 [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
350 };
351 #define parse_wan_compression(_name) \
352 parse_name(_name, "wan compression", \
353 wan_compression_names, ARRAY_SIZE(wan_compression_names))
354
355 /* functions for the rest of qemu */
356
357 static SpiceChannelList *qmp_query_spice_channels(void)
358 {
359 SpiceChannelList *cur_item = NULL, *head = NULL;
360 ChannelList *item;
361
362 QTAILQ_FOREACH(item, &channel_list, link) {
363 SpiceChannelList *chan;
364 char host[NI_MAXHOST], port[NI_MAXSERV];
365 struct sockaddr *paddr;
366 socklen_t plen;
367
368 assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT);
369
370 chan = g_malloc0(sizeof(*chan));
371 chan->value = g_malloc0(sizeof(*chan->value));
372
373 paddr = (struct sockaddr *)&item->info->paddr_ext;
374 plen = item->info->plen_ext;
375 getnameinfo(paddr, plen,
376 host, sizeof(host), port, sizeof(port),
377 NI_NUMERICHOST | NI_NUMERICSERV);
378 chan->value->host = g_strdup(host);
379 chan->value->port = g_strdup(port);
380 chan->value->family = inet_netfamily(paddr->sa_family);
381
382 chan->value->connection_id = item->info->connection_id;
383 chan->value->channel_type = item->info->type;
384 chan->value->channel_id = item->info->id;
385 chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
386
387 /* XXX: waiting for the qapi to support GSList */
388 if (!cur_item) {
389 head = cur_item = chan;
390 } else {
391 cur_item->next = chan;
392 cur_item = chan;
393 }
394 }
395
396 return head;
397 }
398
399 static QemuOptsList qemu_spice_opts = {
400 .name = "spice",
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
402 .merge_lists = true,
403 .desc = {
404 {
405 .name = "port",
406 .type = QEMU_OPT_NUMBER,
407 },{
408 .name = "tls-port",
409 .type = QEMU_OPT_NUMBER,
410 },{
411 .name = "addr",
412 .type = QEMU_OPT_STRING,
413 },{
414 .name = "ipv4",
415 .type = QEMU_OPT_BOOL,
416 },{
417 .name = "ipv6",
418 .type = QEMU_OPT_BOOL,
419 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
420 },{
421 .name = "unix",
422 .type = QEMU_OPT_BOOL,
423 #endif
424 },{
425 .name = "password",
426 .type = QEMU_OPT_STRING,
427 },{
428 .name = "disable-ticketing",
429 .type = QEMU_OPT_BOOL,
430 },{
431 .name = "disable-copy-paste",
432 .type = QEMU_OPT_BOOL,
433 },{
434 .name = "disable-agent-file-xfer",
435 .type = QEMU_OPT_BOOL,
436 },{
437 .name = "sasl",
438 .type = QEMU_OPT_BOOL,
439 },{
440 .name = "x509-dir",
441 .type = QEMU_OPT_STRING,
442 },{
443 .name = "x509-key-file",
444 .type = QEMU_OPT_STRING,
445 },{
446 .name = "x509-key-password",
447 .type = QEMU_OPT_STRING,
448 },{
449 .name = "x509-cert-file",
450 .type = QEMU_OPT_STRING,
451 },{
452 .name = "x509-cacert-file",
453 .type = QEMU_OPT_STRING,
454 },{
455 .name = "x509-dh-key-file",
456 .type = QEMU_OPT_STRING,
457 },{
458 .name = "tls-ciphers",
459 .type = QEMU_OPT_STRING,
460 },{
461 .name = "tls-channel",
462 .type = QEMU_OPT_STRING,
463 },{
464 .name = "plaintext-channel",
465 .type = QEMU_OPT_STRING,
466 },{
467 .name = "image-compression",
468 .type = QEMU_OPT_STRING,
469 },{
470 .name = "jpeg-wan-compression",
471 .type = QEMU_OPT_STRING,
472 },{
473 .name = "zlib-glz-wan-compression",
474 .type = QEMU_OPT_STRING,
475 },{
476 .name = "streaming-video",
477 .type = QEMU_OPT_STRING,
478 },{
479 .name = "agent-mouse",
480 .type = QEMU_OPT_BOOL,
481 },{
482 .name = "playback-compression",
483 .type = QEMU_OPT_BOOL,
484 },{
485 .name = "seamless-migration",
486 .type = QEMU_OPT_BOOL,
487 },{
488 .name = "display",
489 .type = QEMU_OPT_STRING,
490 },{
491 .name = "head",
492 .type = QEMU_OPT_NUMBER,
493 #ifdef HAVE_SPICE_GL
494 },{
495 .name = "gl",
496 .type = QEMU_OPT_BOOL,
497 },{
498 .name = "rendernode",
499 .type = QEMU_OPT_STRING,
500 #endif
501 },
502 { /* end of list */ }
503 },
504 };
505
506 SpiceInfo *qmp_query_spice(Error **errp)
507 {
508 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
509 int port, tls_port;
510 const char *addr;
511 SpiceInfo *info;
512 unsigned int major;
513 unsigned int minor;
514 unsigned int micro;
515
516 info = g_malloc0(sizeof(*info));
517
518 if (!spice_server || !opts) {
519 info->enabled = false;
520 return info;
521 }
522
523 info->enabled = true;
524 info->migrated = spice_migration_completed;
525
526 addr = qemu_opt_get(opts, "addr");
527 port = qemu_opt_get_number(opts, "port", 0);
528 tls_port = qemu_opt_get_number(opts, "tls-port", 0);
529
530 info->has_auth = true;
531 info->auth = g_strdup(auth);
532
533 info->has_host = true;
534 info->host = g_strdup(addr ? addr : "*");
535
536 info->has_compiled_version = true;
537 major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
538 minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
539 micro = SPICE_SERVER_VERSION & 0xff;
540 info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
541
542 if (port) {
543 info->has_port = true;
544 info->port = port;
545 }
546 if (tls_port) {
547 info->has_tls_port = true;
548 info->tls_port = tls_port;
549 }
550
551 info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
552 SPICE_QUERY_MOUSE_MODE_SERVER :
553 SPICE_QUERY_MOUSE_MODE_CLIENT;
554
555 /* for compatibility with the original command */
556 info->has_channels = true;
557 info->channels = qmp_query_spice_channels();
558
559 return info;
560 }
561
562 static void migration_state_notifier(Notifier *notifier, void *data)
563 {
564 MigrationState *s = data;
565
566 if (!spice_have_target_host) {
567 return;
568 }
569
570 if (migration_in_setup(s)) {
571 spice_server_migrate_start(spice_server);
572 } else if (migration_has_finished(s) ||
573 migration_in_postcopy_after_devices(s)) {
574 spice_server_migrate_end(spice_server, true);
575 spice_have_target_host = false;
576 } else if (migration_has_failed(s)) {
577 spice_server_migrate_end(spice_server, false);
578 spice_have_target_host = false;
579 }
580 }
581
582 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
583 const char *subject)
584 {
585 int ret;
586
587 ret = spice_server_migrate_connect(spice_server, hostname,
588 port, tls_port, subject);
589 spice_have_target_host = true;
590 return ret;
591 }
592
593 static int add_channel(void *opaque, const char *name, const char *value,
594 Error **errp)
595 {
596 int security = 0;
597 int rc;
598
599 if (strcmp(name, "tls-channel") == 0) {
600 int *tls_port = opaque;
601 if (!*tls_port) {
602 error_setg(errp, "spice: tried to setup tls-channel"
603 " without specifying a TLS port");
604 return -1;
605 }
606 security = SPICE_CHANNEL_SECURITY_SSL;
607 }
608 if (strcmp(name, "plaintext-channel") == 0) {
609 security = SPICE_CHANNEL_SECURITY_NONE;
610 }
611 if (security == 0) {
612 return 0;
613 }
614 if (strcmp(value, "default") == 0) {
615 rc = spice_server_set_channel_security(spice_server, NULL, security);
616 } else {
617 rc = spice_server_set_channel_security(spice_server, value, security);
618 }
619 if (rc != 0) {
620 error_setg(errp, "spice: failed to set channel security for %s",
621 value);
622 return -1;
623 }
624 return 0;
625 }
626
627 static void vm_change_state_handler(void *opaque, int running,
628 RunState state)
629 {
630 if (running) {
631 qemu_spice_display_start();
632 } else if (state != RUN_STATE_PAUSED) {
633 qemu_spice_display_stop();
634 }
635 }
636
637 void qemu_spice_init(void)
638 {
639 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
640 const char *password, *str, *x509_dir, *addr,
641 *x509_key_password = NULL,
642 *x509_dh_file = NULL,
643 *tls_ciphers = NULL;
644 char *x509_key_file = NULL,
645 *x509_cert_file = NULL,
646 *x509_cacert_file = NULL;
647 int port, tls_port, addr_flags;
648 spice_image_compression_t compression;
649 spice_wan_compression_t wan_compr;
650 bool seamless_migration;
651
652 qemu_thread_get_self(&me);
653
654 if (!opts) {
655 return;
656 }
657 port = qemu_opt_get_number(opts, "port", 0);
658 tls_port = qemu_opt_get_number(opts, "tls-port", 0);
659 if (port < 0 || port > 65535) {
660 error_report("spice port is out of range");
661 exit(1);
662 }
663 if (tls_port < 0 || tls_port > 65535) {
664 error_report("spice tls-port is out of range");
665 exit(1);
666 }
667 password = qemu_opt_get(opts, "password");
668
669 if (tls_port) {
670 x509_dir = qemu_opt_get(opts, "x509-dir");
671 if (!x509_dir) {
672 x509_dir = ".";
673 }
674
675 str = qemu_opt_get(opts, "x509-key-file");
676 if (str) {
677 x509_key_file = g_strdup(str);
678 } else {
679 x509_key_file = g_strdup_printf("%s/%s", x509_dir,
680 X509_SERVER_KEY_FILE);
681 }
682
683 str = qemu_opt_get(opts, "x509-cert-file");
684 if (str) {
685 x509_cert_file = g_strdup(str);
686 } else {
687 x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
688 X509_SERVER_CERT_FILE);
689 }
690
691 str = qemu_opt_get(opts, "x509-cacert-file");
692 if (str) {
693 x509_cacert_file = g_strdup(str);
694 } else {
695 x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
696 X509_CA_CERT_FILE);
697 }
698
699 x509_key_password = qemu_opt_get(opts, "x509-key-password");
700 x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
701 tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
702 }
703
704 addr = qemu_opt_get(opts, "addr");
705 addr_flags = 0;
706 if (qemu_opt_get_bool(opts, "ipv4", 0)) {
707 addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
708 } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
709 addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
710 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
711 } else if (qemu_opt_get_bool(opts, "unix", 0)) {
712 addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY;
713 #endif
714 }
715
716 spice_server = spice_server_new();
717 spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
718 if (port) {
719 spice_server_set_port(spice_server, port);
720 }
721 if (tls_port) {
722 spice_server_set_tls(spice_server, tls_port,
723 x509_cacert_file,
724 x509_cert_file,
725 x509_key_file,
726 x509_key_password,
727 x509_dh_file,
728 tls_ciphers);
729 }
730 if (password) {
731 qemu_spice_set_passwd(password, false, false);
732 }
733 if (qemu_opt_get_bool(opts, "sasl", 0)) {
734 if (spice_server_set_sasl(spice_server, 1) == -1) {
735 error_report("spice: failed to enable sasl");
736 exit(1);
737 }
738 auth = "sasl";
739 }
740 if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
741 auth = "none";
742 spice_server_set_noauth(spice_server);
743 }
744
745 if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
746 spice_server_set_agent_copypaste(spice_server, false);
747 }
748
749 if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
750 spice_server_set_agent_file_xfer(spice_server, false);
751 }
752
753 compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
754 str = qemu_opt_get(opts, "image-compression");
755 if (str) {
756 compression = parse_compression(str);
757 }
758 spice_server_set_image_compression(spice_server, compression);
759
760 wan_compr = SPICE_WAN_COMPRESSION_AUTO;
761 str = qemu_opt_get(opts, "jpeg-wan-compression");
762 if (str) {
763 wan_compr = parse_wan_compression(str);
764 }
765 spice_server_set_jpeg_compression(spice_server, wan_compr);
766
767 wan_compr = SPICE_WAN_COMPRESSION_AUTO;
768 str = qemu_opt_get(opts, "zlib-glz-wan-compression");
769 if (str) {
770 wan_compr = parse_wan_compression(str);
771 }
772 spice_server_set_zlib_glz_compression(spice_server, wan_compr);
773
774 str = qemu_opt_get(opts, "streaming-video");
775 if (str) {
776 int streaming_video = parse_stream_video(str);
777 spice_server_set_streaming_video(spice_server, streaming_video);
778 } else {
779 spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
780 }
781
782 spice_server_set_agent_mouse
783 (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
784 spice_server_set_playback_compression
785 (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
786
787 qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal);
788
789 spice_server_set_name(spice_server, qemu_name ?: "QEMU " QEMU_VERSION);
790 spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid);
791
792 seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
793 spice_server_set_seamless_migration(spice_server, seamless_migration);
794 spice_server_set_sasl_appname(spice_server, "qemu");
795 if (spice_server_init(spice_server, &core_interface) != 0) {
796 error_report("failed to initialize spice server");
797 exit(1);
798 };
799 using_spice = 1;
800
801 migration_state.notify = migration_state_notifier;
802 add_migration_state_change_notifier(&migration_state);
803 spice_migrate.base.sif = &migrate_interface.base;
804 qemu_spice_add_interface(&spice_migrate.base);
805
806 qemu_spice_input_init();
807 qemu_spice_audio_init();
808
809 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
810 qemu_spice_display_stop();
811
812 g_free(x509_key_file);
813 g_free(x509_cert_file);
814 g_free(x509_cacert_file);
815
816 qemu_spice_register_ports();
817
818 #ifdef HAVE_SPICE_GL
819 if (qemu_opt_get_bool(opts, "gl", 0)) {
820 if ((port != 0) || (tls_port != 0)) {
821 error_report("SPICE GL support is local-only for now and "
822 "incompatible with -spice port/tls-port");
823 exit(1);
824 }
825 if (egl_rendernode_init(qemu_opt_get(opts, "rendernode"),
826 DISPLAYGL_MODE_ON) != 0) {
827 error_report("Failed to initialize EGL render node for SPICE GL");
828 exit(1);
829 }
830 display_opengl = 1;
831 spice_opengl = 1;
832 }
833 #endif
834 }
835
836 int qemu_spice_add_interface(SpiceBaseInstance *sin)
837 {
838 if (!spice_server) {
839 if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
840 error_report("Oops: spice configured but not active");
841 exit(1);
842 }
843 /*
844 * Create a spice server instance.
845 * It does *not* listen on the network.
846 * It handles QXL local rendering only.
847 *
848 * With a command line like '-vnc :0 -vga qxl' you'll end up here.
849 */
850 spice_server = spice_server_new();
851 spice_server_set_sasl_appname(spice_server, "qemu");
852 spice_server_init(spice_server, &core_interface);
853 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
854 }
855
856 return spice_server_add_interface(spice_server, sin);
857 }
858
859 static GSList *spice_consoles;
860
861 bool qemu_spice_have_display_interface(QemuConsole *con)
862 {
863 if (g_slist_find(spice_consoles, con)) {
864 return true;
865 }
866 return false;
867 }
868
869 /*
870 * Recursively (in reverse order) appends addresses of PCI devices as it moves
871 * up in the PCI hierarchy.
872 *
873 * @returns true on success, false when the buffer wasn't large enough
874 */
875 static bool append_pci_address(char *buf, size_t buf_size, const PCIDevice *pci)
876 {
877 PCIBus *bus = pci_get_bus(pci);
878 /*
879 * equivalent to if (!pci_bus_is_root(bus)), but the function is not built
880 * with PCI_CONFIG=n, avoid using an #ifdef by checking directly
881 */
882 if (bus->parent_dev != NULL) {
883 append_pci_address(buf, buf_size, bus->parent_dev);
884 }
885
886 size_t len = strlen(buf);
887 ssize_t written = snprintf(buf + len, buf_size - len, "/%02x.%x",
888 PCI_SLOT(pci->devfn), PCI_FUNC(pci->devfn));
889
890 return written > 0 && written < buf_size - len;
891 }
892
893 bool qemu_spice_fill_device_address(QemuConsole *con,
894 char *device_address,
895 size_t size)
896 {
897 DeviceState *dev = DEVICE(object_property_get_link(OBJECT(con),
898 "device",
899 &error_abort));
900 PCIDevice *pci = (PCIDevice *) object_dynamic_cast(OBJECT(dev),
901 TYPE_PCI_DEVICE);
902
903 if (pci == NULL) {
904 warn_report("Setting device address of a display device to SPICE: "
905 "Not a PCI device.");
906 return false;
907 }
908
909 strncpy(device_address, "pci/0000", size);
910 if (!append_pci_address(device_address, size, pci)) {
911 warn_report("Setting device address of a display device to SPICE: "
912 "Too many PCI devices in the chain.");
913 return false;
914 }
915
916 return true;
917 }
918
919 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
920 {
921 if (g_slist_find(spice_consoles, con)) {
922 return -1;
923 }
924 qxlin->id = qemu_console_get_index(con);
925 spice_consoles = g_slist_append(spice_consoles, con);
926 return qemu_spice_add_interface(&qxlin->base);
927 }
928
929 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
930 {
931 time_t lifetime, now = time(NULL);
932 char *passwd;
933
934 if (now < auth_expires) {
935 passwd = auth_passwd;
936 lifetime = (auth_expires - now);
937 if (lifetime > INT_MAX) {
938 lifetime = INT_MAX;
939 }
940 } else {
941 passwd = NULL;
942 lifetime = 1;
943 }
944 return spice_server_set_ticket(spice_server, passwd, lifetime,
945 fail_if_conn, disconnect_if_conn);
946 }
947
948 int qemu_spice_set_passwd(const char *passwd,
949 bool fail_if_conn, bool disconnect_if_conn)
950 {
951 if (strcmp(auth, "spice") != 0) {
952 return -1;
953 }
954
955 g_free(auth_passwd);
956 auth_passwd = g_strdup(passwd);
957 return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
958 }
959
960 int qemu_spice_set_pw_expire(time_t expires)
961 {
962 auth_expires = expires;
963 return qemu_spice_set_ticket(false, false);
964 }
965
966 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
967 {
968 if (tls) {
969 return spice_server_add_ssl_client(spice_server, csock, skipauth);
970 } else {
971 return spice_server_add_client(spice_server, csock, skipauth);
972 }
973 }
974
975 void qemu_spice_display_start(void)
976 {
977 if (spice_display_is_running) {
978 return;
979 }
980
981 spice_display_is_running = true;
982 spice_server_vm_start(spice_server);
983 }
984
985 void qemu_spice_display_stop(void)
986 {
987 if (!spice_display_is_running) {
988 return;
989 }
990
991 spice_server_vm_stop(spice_server);
992 spice_display_is_running = false;
993 }
994
995 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
996 {
997 return spice_display_is_running;
998 }
999
1000 static void spice_register_config(void)
1001 {
1002 qemu_add_opts(&qemu_spice_opts);
1003 }
1004 opts_init(spice_register_config);