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 "crypto/secret_common.h"
38 #include "migration/misc.h"
39 #include "hw/pci/pci_bus.h"
40 #include "ui/spice-display.h"
41
42 /* core bits */
43
44 static SpiceServer *spice_server;
45 static NotifierWithReturn migration_state;
46 static const char *auth = "spice";
47 static char *auth_passwd;
48 static time_t auth_expires = TIME_MAX;
49 static int spice_migration_completed;
50 static int spice_display_is_running;
51 static int spice_have_target_host;
52
53 static QemuThread me;
54
55 struct SpiceTimer {
56 QEMUTimer *timer;
57 };
58
timer_add(SpiceTimerFunc func,void * opaque)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
timer_start(SpiceTimer * timer,uint32_t ms)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
timer_cancel(SpiceTimer * timer)73 static void timer_cancel(SpiceTimer *timer)
74 {
75 timer_del(timer->timer);
76 }
77
timer_remove(SpiceTimer * timer)78 static void timer_remove(SpiceTimer *timer)
79 {
80 timer_free(timer->timer);
81 g_free(timer);
82 }
83
84 struct SpiceWatch {
85 int fd;
86 SpiceWatchFunc func;
87 void *opaque;
88 };
89
watch_read(void * opaque)90 static void watch_read(void *opaque)
91 {
92 SpiceWatch *watch = opaque;
93 int fd = watch->fd;
94
95 #ifdef WIN32
96 fd = _get_osfhandle(fd);
97 #endif
98 watch->func(fd, SPICE_WATCH_EVENT_READ, watch->opaque);
99 }
100
watch_write(void * opaque)101 static void watch_write(void *opaque)
102 {
103 SpiceWatch *watch = opaque;
104 int fd = watch->fd;
105
106 #ifdef WIN32
107 fd = _get_osfhandle(fd);
108 #endif
109 watch->func(fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
110 }
111
watch_update_mask(SpiceWatch * watch,int event_mask)112 static void watch_update_mask(SpiceWatch *watch, int event_mask)
113 {
114 IOHandler *on_read = NULL;
115 IOHandler *on_write = NULL;
116
117 if (event_mask & SPICE_WATCH_EVENT_READ) {
118 on_read = watch_read;
119 }
120 if (event_mask & SPICE_WATCH_EVENT_WRITE) {
121 on_write = watch_write;
122 }
123 qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
124 }
125
watch_add(int fd,int event_mask,SpiceWatchFunc func,void * opaque)126 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
127 {
128 SpiceWatch *watch;
129
130 #ifdef WIN32
131 fd = _open_osfhandle(fd, _O_BINARY);
132 if (fd < 0) {
133 error_setg_win32(&error_warn, WSAGetLastError(), "Couldn't associate a FD with the SOCKET");
134 return NULL;
135 }
136 #endif
137
138 watch = g_malloc0(sizeof(*watch));
139 watch->fd = fd;
140 watch->func = func;
141 watch->opaque = opaque;
142
143 watch_update_mask(watch, event_mask);
144 return watch;
145 }
146
watch_remove(SpiceWatch * watch)147 static void watch_remove(SpiceWatch *watch)
148 {
149 qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
150 #ifdef WIN32
151 /* SOCKET is owned by spice */
152 qemu_close_socket_osfhandle(watch->fd);
153 #endif
154 g_free(watch);
155 }
156
157 typedef struct ChannelList ChannelList;
158 struct ChannelList {
159 SpiceChannelEventInfo *info;
160 QTAILQ_ENTRY(ChannelList) link;
161 };
162 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
163
channel_list_add(SpiceChannelEventInfo * info)164 static void channel_list_add(SpiceChannelEventInfo *info)
165 {
166 ChannelList *item;
167
168 item = g_malloc0(sizeof(*item));
169 item->info = info;
170 QTAILQ_INSERT_TAIL(&channel_list, item, link);
171 }
172
channel_list_del(SpiceChannelEventInfo * info)173 static void channel_list_del(SpiceChannelEventInfo *info)
174 {
175 ChannelList *item;
176
177 QTAILQ_FOREACH(item, &channel_list, link) {
178 if (item->info != info) {
179 continue;
180 }
181 QTAILQ_REMOVE(&channel_list, item, link);
182 g_free(item);
183 return;
184 }
185 }
186
add_addr_info(SpiceBasicInfo * info,struct sockaddr * addr,int len)187 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
188 {
189 char host[NI_MAXHOST], port[NI_MAXSERV];
190
191 getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
192 NI_NUMERICHOST | NI_NUMERICSERV);
193
194 info->host = g_strdup(host);
195 info->port = g_strdup(port);
196 info->family = inet_netfamily(addr->sa_family);
197 }
198
add_channel_info(SpiceChannel * sc,SpiceChannelEventInfo * info)199 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
200 {
201 int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
202
203 sc->connection_id = info->connection_id;
204 sc->channel_type = info->type;
205 sc->channel_id = info->id;
206 sc->tls = !!tls;
207 }
208
channel_event(int event,SpiceChannelEventInfo * info)209 static void channel_event(int event, SpiceChannelEventInfo *info)
210 {
211 SpiceServerInfo *server = g_malloc0(sizeof(*server));
212 SpiceChannel *client = g_malloc0(sizeof(*client));
213
214 /*
215 * Spice server might have called us from spice worker thread
216 * context (happens on display channel disconnects). Spice should
217 * not do that. It isn't that easy to fix it in spice and even
218 * when it is fixed we still should cover the already released
219 * spice versions. So detect that we've been called from another
220 * thread and grab the BQL if so before calling qemu
221 * functions.
222 */
223 bool need_lock = !qemu_thread_is_self(&me);
224 if (need_lock) {
225 bql_lock();
226 }
227
228 if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
229 add_addr_info(qapi_SpiceChannel_base(client),
230 (struct sockaddr *)&info->paddr_ext,
231 info->plen_ext);
232 add_addr_info(qapi_SpiceServerInfo_base(server),
233 (struct sockaddr *)&info->laddr_ext,
234 info->llen_ext);
235 } else {
236 error_report("spice: %s, extended address is expected",
237 __func__);
238 }
239
240 switch (event) {
241 case SPICE_CHANNEL_EVENT_CONNECTED:
242 qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server),
243 qapi_SpiceChannel_base(client));
244 break;
245 case SPICE_CHANNEL_EVENT_INITIALIZED:
246 if (auth) {
247 server->auth = g_strdup(auth);
248 }
249 add_channel_info(client, info);
250 channel_list_add(info);
251 qapi_event_send_spice_initialized(server, client);
252 break;
253 case SPICE_CHANNEL_EVENT_DISCONNECTED:
254 channel_list_del(info);
255 qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server),
256 qapi_SpiceChannel_base(client));
257 break;
258 default:
259 break;
260 }
261
262 if (need_lock) {
263 bql_unlock();
264 }
265
266 qapi_free_SpiceServerInfo(server);
267 qapi_free_SpiceChannel(client);
268 }
269
270 static SpiceCoreInterface core_interface = {
271 .base.type = SPICE_INTERFACE_CORE,
272 .base.description = "qemu core services",
273 .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
274 .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
275
276 .timer_add = timer_add,
277 .timer_start = timer_start,
278 .timer_cancel = timer_cancel,
279 .timer_remove = timer_remove,
280
281 .watch_add = watch_add,
282 .watch_update_mask = watch_update_mask,
283 .watch_remove = watch_remove,
284
285 .channel_event = channel_event,
286 };
287
288 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
289 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
290
291 static const SpiceMigrateInterface migrate_interface = {
292 .base.type = SPICE_INTERFACE_MIGRATION,
293 .base.description = "migration",
294 .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
295 .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
296 .migrate_connect_complete = migrate_connect_complete_cb,
297 .migrate_end_complete = migrate_end_complete_cb,
298 };
299
300 static SpiceMigrateInstance spice_migrate;
301
migrate_connect_complete_cb(SpiceMigrateInstance * sin)302 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
303 {
304 /* nothing, but libspice-server expects this cb being present. */
305 }
306
migrate_end_complete_cb(SpiceMigrateInstance * sin)307 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
308 {
309 qapi_event_send_spice_migrate_completed();
310 spice_migration_completed = true;
311 }
312
313 /* config string parsing */
314
name2enum(const char * string,const char * table[],int entries)315 static int name2enum(const char *string, const char *table[], int entries)
316 {
317 int i;
318
319 if (string) {
320 for (i = 0; i < entries; i++) {
321 if (!table[i]) {
322 continue;
323 }
324 if (strcmp(string, table[i]) != 0) {
325 continue;
326 }
327 return i;
328 }
329 }
330 return -1;
331 }
332
parse_name(const char * string,const char * optname,const char * table[],int entries)333 static int parse_name(const char *string, const char *optname,
334 const char *table[], int entries)
335 {
336 int value = name2enum(string, table, entries);
337
338 if (value != -1) {
339 return value;
340 }
341 error_report("spice: invalid %s: %s", optname, string);
342 exit(1);
343 }
344
345 static const char *stream_video_names[] = {
346 [ SPICE_STREAM_VIDEO_OFF ] = "off",
347 [ SPICE_STREAM_VIDEO_ALL ] = "all",
348 [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
349 };
350 #define parse_stream_video(_name) \
351 parse_name(_name, "stream video control", \
352 stream_video_names, ARRAY_SIZE(stream_video_names))
353
354 static const char *compression_names[] = {
355 [ SPICE_IMAGE_COMPRESS_OFF ] = "off",
356 [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
357 [ SPICE_IMAGE_COMPRESS_AUTO_LZ ] = "auto_lz",
358 [ SPICE_IMAGE_COMPRESS_QUIC ] = "quic",
359 [ SPICE_IMAGE_COMPRESS_GLZ ] = "glz",
360 [ SPICE_IMAGE_COMPRESS_LZ ] = "lz",
361 };
362 #define parse_compression(_name) \
363 parse_name(_name, "image compression", \
364 compression_names, ARRAY_SIZE(compression_names))
365
366 static const char *wan_compression_names[] = {
367 [ SPICE_WAN_COMPRESSION_AUTO ] = "auto",
368 [ SPICE_WAN_COMPRESSION_NEVER ] = "never",
369 [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
370 };
371 #define parse_wan_compression(_name) \
372 parse_name(_name, "wan compression", \
373 wan_compression_names, ARRAY_SIZE(wan_compression_names))
374
375 /* functions for the rest of qemu */
376
qmp_query_spice_channels(void)377 static SpiceChannelList *qmp_query_spice_channels(void)
378 {
379 SpiceChannelList *head = NULL, **tail = &head;
380 ChannelList *item;
381
382 QTAILQ_FOREACH(item, &channel_list, link) {
383 SpiceChannel *chan;
384 char host[NI_MAXHOST], port[NI_MAXSERV];
385 struct sockaddr *paddr;
386 socklen_t plen;
387
388 assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT);
389
390 chan = g_malloc0(sizeof(*chan));
391
392 paddr = (struct sockaddr *)&item->info->paddr_ext;
393 plen = item->info->plen_ext;
394 getnameinfo(paddr, plen,
395 host, sizeof(host), port, sizeof(port),
396 NI_NUMERICHOST | NI_NUMERICSERV);
397 chan->host = g_strdup(host);
398 chan->port = g_strdup(port);
399 chan->family = inet_netfamily(paddr->sa_family);
400
401 chan->connection_id = item->info->connection_id;
402 chan->channel_type = item->info->type;
403 chan->channel_id = item->info->id;
404 chan->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
405
406 QAPI_LIST_APPEND(tail, chan);
407 }
408
409 return head;
410 }
411
412 static QemuOptsList qemu_spice_opts = {
413 .name = "spice",
414 .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
415 .merge_lists = true,
416 .desc = {
417 {
418 .name = "port",
419 .type = QEMU_OPT_NUMBER,
420 },{
421 .name = "tls-port",
422 .type = QEMU_OPT_NUMBER,
423 },{
424 .name = "addr",
425 .type = QEMU_OPT_STRING,
426 },{
427 .name = "ipv4",
428 .type = QEMU_OPT_BOOL,
429 },{
430 .name = "ipv6",
431 .type = QEMU_OPT_BOOL,
432 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
433 },{
434 .name = "unix",
435 .type = QEMU_OPT_BOOL,
436 #endif
437 },{
438 .name = "password-secret",
439 .type = QEMU_OPT_STRING,
440 },{
441 .name = "disable-ticketing",
442 .type = QEMU_OPT_BOOL,
443 },{
444 .name = "disable-copy-paste",
445 .type = QEMU_OPT_BOOL,
446 },{
447 .name = "disable-agent-file-xfer",
448 .type = QEMU_OPT_BOOL,
449 },{
450 .name = "sasl",
451 .type = QEMU_OPT_BOOL,
452 },{
453 .name = "x509-dir",
454 .type = QEMU_OPT_STRING,
455 },{
456 .name = "x509-key-file",
457 .type = QEMU_OPT_STRING,
458 },{
459 .name = "x509-key-password",
460 .type = QEMU_OPT_STRING,
461 },{
462 .name = "x509-cert-file",
463 .type = QEMU_OPT_STRING,
464 },{
465 .name = "x509-cacert-file",
466 .type = QEMU_OPT_STRING,
467 },{
468 .name = "x509-dh-key-file",
469 .type = QEMU_OPT_STRING,
470 },{
471 .name = "tls-ciphers",
472 .type = QEMU_OPT_STRING,
473 },{
474 .name = "tls-channel",
475 .type = QEMU_OPT_STRING,
476 },{
477 .name = "plaintext-channel",
478 .type = QEMU_OPT_STRING,
479 },{
480 .name = "image-compression",
481 .type = QEMU_OPT_STRING,
482 },{
483 .name = "jpeg-wan-compression",
484 .type = QEMU_OPT_STRING,
485 },{
486 .name = "zlib-glz-wan-compression",
487 .type = QEMU_OPT_STRING,
488 },{
489 .name = "streaming-video",
490 .type = QEMU_OPT_STRING,
491 },{
492 .name = "agent-mouse",
493 .type = QEMU_OPT_BOOL,
494 },{
495 .name = "playback-compression",
496 .type = QEMU_OPT_BOOL,
497 },{
498 .name = "seamless-migration",
499 .type = QEMU_OPT_BOOL,
500 },{
501 .name = "display",
502 .type = QEMU_OPT_STRING,
503 },{
504 .name = "head",
505 .type = QEMU_OPT_NUMBER,
506 #ifdef HAVE_SPICE_GL
507 },{
508 .name = "gl",
509 .type = QEMU_OPT_BOOL,
510 },{
511 .name = "rendernode",
512 .type = QEMU_OPT_STRING,
513 #endif
514 },
515 { /* end of list */ }
516 },
517 };
518
qmp_query_spice_real(Error ** errp)519 static SpiceInfo *qmp_query_spice_real(Error **errp)
520 {
521 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
522 int port, tls_port;
523 const char *addr;
524 SpiceInfo *info;
525 unsigned int major;
526 unsigned int minor;
527 unsigned int micro;
528
529 info = g_malloc0(sizeof(*info));
530
531 if (!spice_server || !opts) {
532 info->enabled = false;
533 return info;
534 }
535
536 info->enabled = true;
537 info->migrated = spice_migration_completed;
538
539 addr = qemu_opt_get(opts, "addr");
540 port = qemu_opt_get_number(opts, "port", 0);
541 tls_port = qemu_opt_get_number(opts, "tls-port", 0);
542
543 info->auth = g_strdup(auth);
544 info->host = g_strdup(addr ? addr : "*");
545
546 major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
547 minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
548 micro = SPICE_SERVER_VERSION & 0xff;
549 info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
550
551 if (port) {
552 info->has_port = true;
553 info->port = port;
554 }
555 if (tls_port) {
556 info->has_tls_port = true;
557 info->tls_port = tls_port;
558 }
559
560 info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
561 SPICE_QUERY_MOUSE_MODE_SERVER :
562 SPICE_QUERY_MOUSE_MODE_CLIENT;
563
564 /* for compatibility with the original command */
565 info->has_channels = true;
566 info->channels = qmp_query_spice_channels();
567
568 return info;
569 }
570
migration_state_notifier(NotifierWithReturn * notifier,MigrationEvent * e,Error ** errp)571 static int migration_state_notifier(NotifierWithReturn *notifier,
572 MigrationEvent *e, Error **errp)
573 {
574 if (!spice_have_target_host) {
575 return 0;
576 }
577
578 if (e->type == MIG_EVENT_PRECOPY_SETUP) {
579 spice_server_migrate_start(spice_server);
580 } else if (e->type == MIG_EVENT_PRECOPY_DONE) {
581 spice_server_migrate_end(spice_server, true);
582 spice_have_target_host = false;
583 } else if (e->type == MIG_EVENT_PRECOPY_FAILED) {
584 spice_server_migrate_end(spice_server, false);
585 spice_have_target_host = false;
586 }
587 return 0;
588 }
589
qemu_spice_migrate_info(const char * hostname,int port,int tls_port,const char * subject)590 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
591 const char *subject)
592 {
593 int ret;
594
595 ret = spice_server_migrate_connect(spice_server, hostname,
596 port, tls_port, subject);
597 spice_have_target_host = true;
598 return ret;
599 }
600
add_channel(void * opaque,const char * name,const char * value,Error ** errp)601 static int add_channel(void *opaque, const char *name, const char *value,
602 Error **errp)
603 {
604 int security = 0;
605 int rc;
606
607 if (strcmp(name, "tls-channel") == 0) {
608 int *tls_port = opaque;
609 if (!*tls_port) {
610 error_setg(errp, "spice: tried to setup tls-channel"
611 " without specifying a TLS port");
612 return -1;
613 }
614 security = SPICE_CHANNEL_SECURITY_SSL;
615 }
616 if (strcmp(name, "plaintext-channel") == 0) {
617 security = SPICE_CHANNEL_SECURITY_NONE;
618 }
619 if (security == 0) {
620 return 0;
621 }
622 if (strcmp(value, "default") == 0) {
623 rc = spice_server_set_channel_security(spice_server, NULL, security);
624 } else {
625 rc = spice_server_set_channel_security(spice_server, value, security);
626 }
627 if (rc != 0) {
628 error_setg(errp, "spice: failed to set channel security for %s",
629 value);
630 return -1;
631 }
632 return 0;
633 }
634
vm_change_state_handler(void * opaque,bool running,RunState state)635 static void vm_change_state_handler(void *opaque, bool running,
636 RunState state)
637 {
638 if (running) {
639 qemu_spice_display_start();
640 } else if (state != RUN_STATE_PAUSED) {
641 qemu_spice_display_stop();
642 }
643 }
644
qemu_spice_display_init_done(void)645 void qemu_spice_display_init_done(void)
646 {
647 if (runstate_is_running()) {
648 qemu_spice_display_start();
649 }
650 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
651 }
652
qemu_spice_init(void)653 static void qemu_spice_init(void)
654 {
655 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
656 char *password = NULL;
657 const char *passwordSecret;
658 const char *str, *x509_dir, *addr,
659 *x509_key_password = NULL,
660 *x509_dh_file = NULL,
661 *tls_ciphers = NULL;
662 char *x509_key_file = NULL,
663 *x509_cert_file = NULL,
664 *x509_cacert_file = NULL;
665 int port, tls_port, addr_flags;
666 spice_image_compression_t compression;
667 spice_wan_compression_t wan_compr;
668 bool seamless_migration;
669
670 qemu_thread_get_self(&me);
671
672 if (!opts) {
673 return;
674 }
675 port = qemu_opt_get_number(opts, "port", 0);
676 tls_port = qemu_opt_get_number(opts, "tls-port", 0);
677 if (port < 0 || port > 65535) {
678 error_report("spice port is out of range");
679 exit(1);
680 }
681 if (tls_port < 0 || tls_port > 65535) {
682 error_report("spice tls-port is out of range");
683 exit(1);
684 }
685 passwordSecret = qemu_opt_get(opts, "password-secret");
686 if (passwordSecret) {
687 password = qcrypto_secret_lookup_as_utf8(passwordSecret,
688 &error_fatal);
689 }
690
691 if (tls_port) {
692 x509_dir = qemu_opt_get(opts, "x509-dir");
693 if (!x509_dir) {
694 x509_dir = ".";
695 }
696
697 str = qemu_opt_get(opts, "x509-key-file");
698 if (str) {
699 x509_key_file = g_strdup(str);
700 } else {
701 x509_key_file = g_strdup_printf("%s/%s", x509_dir,
702 X509_SERVER_KEY_FILE);
703 }
704
705 str = qemu_opt_get(opts, "x509-cert-file");
706 if (str) {
707 x509_cert_file = g_strdup(str);
708 } else {
709 x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
710 X509_SERVER_CERT_FILE);
711 }
712
713 str = qemu_opt_get(opts, "x509-cacert-file");
714 if (str) {
715 x509_cacert_file = g_strdup(str);
716 } else {
717 x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
718 X509_CA_CERT_FILE);
719 }
720
721 x509_key_password = qemu_opt_get(opts, "x509-key-password");
722 x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
723 tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
724 }
725
726 addr = qemu_opt_get(opts, "addr");
727 addr_flags = 0;
728 if (qemu_opt_get_bool(opts, "ipv4", 0)) {
729 addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
730 } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
731 addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
732 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
733 } else if (qemu_opt_get_bool(opts, "unix", 0)) {
734 addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY;
735 #endif
736 }
737
738 spice_server = spice_server_new();
739 spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
740 if (port) {
741 spice_server_set_port(spice_server, port);
742 }
743 if (tls_port) {
744 spice_server_set_tls(spice_server, tls_port,
745 x509_cacert_file,
746 x509_cert_file,
747 x509_key_file,
748 x509_key_password,
749 x509_dh_file,
750 tls_ciphers);
751 }
752 if (password) {
753 qemu_spice.set_passwd(password, false, false);
754 }
755 if (qemu_opt_get_bool(opts, "sasl", 0)) {
756 if (spice_server_set_sasl(spice_server, 1) == -1) {
757 error_report("spice: failed to enable sasl");
758 exit(1);
759 }
760 auth = "sasl";
761 }
762 if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
763 auth = "none";
764 spice_server_set_noauth(spice_server);
765 }
766
767 if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
768 spice_server_set_agent_copypaste(spice_server, false);
769 }
770
771 if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
772 spice_server_set_agent_file_xfer(spice_server, false);
773 }
774
775 compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
776 str = qemu_opt_get(opts, "image-compression");
777 if (str) {
778 compression = parse_compression(str);
779 }
780 spice_server_set_image_compression(spice_server, compression);
781
782 wan_compr = SPICE_WAN_COMPRESSION_AUTO;
783 str = qemu_opt_get(opts, "jpeg-wan-compression");
784 if (str) {
785 wan_compr = parse_wan_compression(str);
786 }
787 spice_server_set_jpeg_compression(spice_server, wan_compr);
788
789 wan_compr = SPICE_WAN_COMPRESSION_AUTO;
790 str = qemu_opt_get(opts, "zlib-glz-wan-compression");
791 if (str) {
792 wan_compr = parse_wan_compression(str);
793 }
794 spice_server_set_zlib_glz_compression(spice_server, wan_compr);
795
796 str = qemu_opt_get(opts, "streaming-video");
797 if (str) {
798 int streaming_video = parse_stream_video(str);
799 spice_server_set_streaming_video(spice_server, streaming_video);
800 } else {
801 spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
802 }
803
804 spice_server_set_agent_mouse
805 (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
806 spice_server_set_playback_compression
807 (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
808
809 qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal);
810
811 spice_server_set_name(spice_server, qemu_name ?: "QEMU " QEMU_VERSION);
812 spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid);
813
814 seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
815 spice_server_set_seamless_migration(spice_server, seamless_migration);
816 spice_server_set_sasl_appname(spice_server, "qemu");
817 if (spice_server_init(spice_server, &core_interface) != 0) {
818 error_report("failed to initialize spice server");
819 exit(1);
820 };
821 using_spice = 1;
822
823 migration_add_notifier(&migration_state, migration_state_notifier);
824 spice_migrate.base.sif = &migrate_interface.base;
825 qemu_spice.add_interface(&spice_migrate.base);
826
827 qemu_spice_input_init();
828
829 qemu_spice_display_stop();
830
831 g_free(x509_key_file);
832 g_free(x509_cert_file);
833 g_free(x509_cacert_file);
834 g_free(password);
835
836 #ifdef HAVE_SPICE_GL
837 if (qemu_opt_get_bool(opts, "gl", 0)) {
838 if ((port != 0) || (tls_port != 0)) {
839 error_report("SPICE GL support is local-only for now and "
840 "incompatible with -spice port/tls-port");
841 exit(1);
842 }
843 egl_init(qemu_opt_get(opts, "rendernode"), DISPLAY_GL_MODE_ON, &error_fatal);
844 spice_opengl = 1;
845 }
846 #endif
847 }
848
qemu_spice_add_interface(SpiceBaseInstance * sin)849 static int qemu_spice_add_interface(SpiceBaseInstance *sin)
850 {
851 if (!spice_server) {
852 if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
853 error_report("Oops: spice configured but not active");
854 exit(1);
855 }
856 /*
857 * Create a spice server instance.
858 * It does *not* listen on the network.
859 * It handles QXL local rendering only.
860 *
861 * With a command line like '-vnc :0 -vga qxl' you'll end up here.
862 */
863 spice_server = spice_server_new();
864 spice_server_set_sasl_appname(spice_server, "qemu");
865 spice_server_init(spice_server, &core_interface);
866 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
867 }
868
869 return spice_server_add_interface(spice_server, sin);
870 }
871
872 static GSList *spice_consoles;
873
qemu_spice_have_display_interface(QemuConsole * con)874 bool qemu_spice_have_display_interface(QemuConsole *con)
875 {
876 if (g_slist_find(spice_consoles, con)) {
877 return true;
878 }
879 return false;
880 }
881
qemu_spice_add_display_interface(QXLInstance * qxlin,QemuConsole * con)882 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
883 {
884 if (g_slist_find(spice_consoles, con)) {
885 return -1;
886 }
887 qxlin->id = qemu_console_get_index(con);
888 spice_consoles = g_slist_append(spice_consoles, con);
889 return qemu_spice_add_interface(&qxlin->base);
890 }
891
qemu_spice_set_ticket(bool fail_if_conn,bool disconnect_if_conn)892 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
893 {
894 time_t lifetime, now = time(NULL);
895 char *passwd;
896
897 if (now < auth_expires) {
898 passwd = auth_passwd;
899 lifetime = (auth_expires - now);
900 if (lifetime > INT_MAX) {
901 lifetime = INT_MAX;
902 }
903 } else {
904 passwd = NULL;
905 lifetime = 1;
906 }
907 return spice_server_set_ticket(spice_server, passwd, lifetime,
908 fail_if_conn, disconnect_if_conn);
909 }
910
qemu_spice_set_passwd(const char * passwd,bool fail_if_conn,bool disconnect_if_conn)911 static int qemu_spice_set_passwd(const char *passwd,
912 bool fail_if_conn, bool disconnect_if_conn)
913 {
914 if (strcmp(auth, "spice") != 0) {
915 return -1;
916 }
917
918 g_free(auth_passwd);
919 auth_passwd = g_strdup(passwd);
920 return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
921 }
922
qemu_spice_set_pw_expire(time_t expires)923 static int qemu_spice_set_pw_expire(time_t expires)
924 {
925 auth_expires = expires;
926 return qemu_spice_set_ticket(false, false);
927 }
928
qemu_spice_display_add_client(int csock,int skipauth,int tls)929 static int qemu_spice_display_add_client(int csock, int skipauth, int tls)
930 {
931 #ifdef WIN32
932 csock = qemu_close_socket_osfhandle(csock);
933 #endif
934 if (tls) {
935 return spice_server_add_ssl_client(spice_server, csock, skipauth);
936 } else {
937 return spice_server_add_client(spice_server, csock, skipauth);
938 }
939 }
940
qemu_spice_display_start(void)941 void qemu_spice_display_start(void)
942 {
943 if (spice_display_is_running) {
944 return;
945 }
946
947 spice_display_is_running = true;
948 spice_server_vm_start(spice_server);
949 }
950
qemu_spice_display_stop(void)951 void qemu_spice_display_stop(void)
952 {
953 if (!spice_display_is_running) {
954 return;
955 }
956
957 spice_server_vm_stop(spice_server);
958 spice_display_is_running = false;
959 }
960
qemu_spice_display_is_running(SimpleSpiceDisplay * ssd)961 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
962 {
963 return spice_display_is_running;
964 }
965
966 static struct QemuSpiceOps real_spice_ops = {
967 .init = qemu_spice_init,
968 .display_init = qemu_spice_display_init,
969 .migrate_info = qemu_spice_migrate_info,
970 .set_passwd = qemu_spice_set_passwd,
971 .set_pw_expire = qemu_spice_set_pw_expire,
972 .display_add_client = qemu_spice_display_add_client,
973 .add_interface = qemu_spice_add_interface,
974 .qmp_query = qmp_query_spice_real,
975 };
976
spice_register_config(void)977 static void spice_register_config(void)
978 {
979 qemu_spice = real_spice_ops;
980 qemu_add_opts(&qemu_spice_opts);
981 }
982 opts_init(spice_register_config);
983 module_opts("spice");
984
985 #ifdef HAVE_SPICE_GL
986 module_dep("ui-opengl");
987 #endif
988