xref: /openbmc/qemu/ui/spice-core.c (revision 0fbb5d2d)
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 Notifier 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 
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_free(timer->timer);
81     g_free(timer);
82 }
83 
84 struct SpiceWatch {
85     int fd;
86     SpiceWatchFunc func;
87     void *opaque;
88 };
89 
90 static void watch_read(void *opaque)
91 {
92     SpiceWatch *watch = opaque;
93     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
94 }
95 
96 static void watch_write(void *opaque)
97 {
98     SpiceWatch *watch = opaque;
99     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
100 }
101 
102 static void watch_update_mask(SpiceWatch *watch, int event_mask)
103 {
104     IOHandler *on_read = NULL;
105     IOHandler *on_write = NULL;
106 
107     if (event_mask & SPICE_WATCH_EVENT_READ) {
108         on_read = watch_read;
109     }
110     if (event_mask & SPICE_WATCH_EVENT_WRITE) {
111         on_write = watch_write;
112     }
113     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
114 }
115 
116 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
117 {
118     SpiceWatch *watch;
119 
120     watch = g_malloc0(sizeof(*watch));
121     watch->fd     = fd;
122     watch->func   = func;
123     watch->opaque = opaque;
124 
125     watch_update_mask(watch, event_mask);
126     return watch;
127 }
128 
129 static void watch_remove(SpiceWatch *watch)
130 {
131     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
132     g_free(watch);
133 }
134 
135 typedef struct ChannelList ChannelList;
136 struct ChannelList {
137     SpiceChannelEventInfo *info;
138     QTAILQ_ENTRY(ChannelList) link;
139 };
140 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
141 
142 static void channel_list_add(SpiceChannelEventInfo *info)
143 {
144     ChannelList *item;
145 
146     item = g_malloc0(sizeof(*item));
147     item->info = info;
148     QTAILQ_INSERT_TAIL(&channel_list, item, link);
149 }
150 
151 static void channel_list_del(SpiceChannelEventInfo *info)
152 {
153     ChannelList *item;
154 
155     QTAILQ_FOREACH(item, &channel_list, link) {
156         if (item->info != info) {
157             continue;
158         }
159         QTAILQ_REMOVE(&channel_list, item, link);
160         g_free(item);
161         return;
162     }
163 }
164 
165 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
166 {
167     char host[NI_MAXHOST], port[NI_MAXSERV];
168 
169     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
170                 NI_NUMERICHOST | NI_NUMERICSERV);
171 
172     info->host = g_strdup(host);
173     info->port = g_strdup(port);
174     info->family = inet_netfamily(addr->sa_family);
175 }
176 
177 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
178 {
179     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
180 
181     sc->connection_id = info->connection_id;
182     sc->channel_type = info->type;
183     sc->channel_id = info->id;
184     sc->tls = !!tls;
185 }
186 
187 static void channel_event(int event, SpiceChannelEventInfo *info)
188 {
189     SpiceServerInfo *server = g_malloc0(sizeof(*server));
190     SpiceChannel *client = g_malloc0(sizeof(*client));
191 
192     /*
193      * Spice server might have called us from spice worker thread
194      * context (happens on display channel disconnects).  Spice should
195      * not do that.  It isn't that easy to fix it in spice and even
196      * when it is fixed we still should cover the already released
197      * spice versions.  So detect that we've been called from another
198      * thread and grab the iothread lock if so before calling qemu
199      * functions.
200      */
201     bool need_lock = !qemu_thread_is_self(&me);
202     if (need_lock) {
203         qemu_mutex_lock_iothread();
204     }
205 
206     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
207         add_addr_info(qapi_SpiceChannel_base(client),
208                       (struct sockaddr *)&info->paddr_ext,
209                       info->plen_ext);
210         add_addr_info(qapi_SpiceServerInfo_base(server),
211                       (struct sockaddr *)&info->laddr_ext,
212                       info->llen_ext);
213     } else {
214         error_report("spice: %s, extended address is expected",
215                      __func__);
216     }
217 
218     switch (event) {
219     case SPICE_CHANNEL_EVENT_CONNECTED:
220         qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server),
221                                         qapi_SpiceChannel_base(client));
222         break;
223     case SPICE_CHANNEL_EVENT_INITIALIZED:
224         if (auth) {
225             server->has_auth = true;
226             server->auth = g_strdup(auth);
227         }
228         add_channel_info(client, info);
229         channel_list_add(info);
230         qapi_event_send_spice_initialized(server, client);
231         break;
232     case SPICE_CHANNEL_EVENT_DISCONNECTED:
233         channel_list_del(info);
234         qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server),
235                                            qapi_SpiceChannel_base(client));
236         break;
237     default:
238         break;
239     }
240 
241     if (need_lock) {
242         qemu_mutex_unlock_iothread();
243     }
244 
245     qapi_free_SpiceServerInfo(server);
246     qapi_free_SpiceChannel(client);
247 }
248 
249 static SpiceCoreInterface core_interface = {
250     .base.type          = SPICE_INTERFACE_CORE,
251     .base.description   = "qemu core services",
252     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
253     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
254 
255     .timer_add          = timer_add,
256     .timer_start        = timer_start,
257     .timer_cancel       = timer_cancel,
258     .timer_remove       = timer_remove,
259 
260     .watch_add          = watch_add,
261     .watch_update_mask  = watch_update_mask,
262     .watch_remove       = watch_remove,
263 
264     .channel_event      = channel_event,
265 };
266 
267 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
268 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
269 
270 static const SpiceMigrateInterface migrate_interface = {
271     .base.type = SPICE_INTERFACE_MIGRATION,
272     .base.description = "migration",
273     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
274     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
275     .migrate_connect_complete = migrate_connect_complete_cb,
276     .migrate_end_complete = migrate_end_complete_cb,
277 };
278 
279 static SpiceMigrateInstance spice_migrate;
280 
281 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
282 {
283     /* nothing, but libspice-server expects this cb being present. */
284 }
285 
286 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
287 {
288     qapi_event_send_spice_migrate_completed();
289     spice_migration_completed = true;
290 }
291 
292 /* config string parsing */
293 
294 static int name2enum(const char *string, const char *table[], int entries)
295 {
296     int i;
297 
298     if (string) {
299         for (i = 0; i < entries; i++) {
300             if (!table[i]) {
301                 continue;
302             }
303             if (strcmp(string, table[i]) != 0) {
304                 continue;
305             }
306             return i;
307         }
308     }
309     return -1;
310 }
311 
312 static int parse_name(const char *string, const char *optname,
313                       const char *table[], int entries)
314 {
315     int value = name2enum(string, table, entries);
316 
317     if (value != -1) {
318         return value;
319     }
320     error_report("spice: invalid %s: %s", optname, string);
321     exit(1);
322 }
323 
324 static const char *stream_video_names[] = {
325     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
326     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
327     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
328 };
329 #define parse_stream_video(_name) \
330     parse_name(_name, "stream video control", \
331                stream_video_names, ARRAY_SIZE(stream_video_names))
332 
333 static const char *compression_names[] = {
334     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
335     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
336     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
337     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
338     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
339     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
340 };
341 #define parse_compression(_name)                                        \
342     parse_name(_name, "image compression",                              \
343                compression_names, ARRAY_SIZE(compression_names))
344 
345 static const char *wan_compression_names[] = {
346     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
347     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
348     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
349 };
350 #define parse_wan_compression(_name)                                    \
351     parse_name(_name, "wan compression",                                \
352                wan_compression_names, ARRAY_SIZE(wan_compression_names))
353 
354 /* functions for the rest of qemu */
355 
356 static SpiceChannelList *qmp_query_spice_channels(void)
357 {
358     SpiceChannelList *head = NULL, **tail = &head;
359     ChannelList *item;
360 
361     QTAILQ_FOREACH(item, &channel_list, link) {
362         SpiceChannel *chan;
363         char host[NI_MAXHOST], port[NI_MAXSERV];
364         struct sockaddr *paddr;
365         socklen_t plen;
366 
367         assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT);
368 
369         chan = g_malloc0(sizeof(*chan));
370 
371         paddr = (struct sockaddr *)&item->info->paddr_ext;
372         plen = item->info->plen_ext;
373         getnameinfo(paddr, plen,
374                     host, sizeof(host), port, sizeof(port),
375                     NI_NUMERICHOST | NI_NUMERICSERV);
376         chan->host = g_strdup(host);
377         chan->port = g_strdup(port);
378         chan->family = inet_netfamily(paddr->sa_family);
379 
380         chan->connection_id = item->info->connection_id;
381         chan->channel_type = item->info->type;
382         chan->channel_id = item->info->id;
383         chan->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
384 
385         QAPI_LIST_APPEND(tail, chan);
386     }
387 
388     return head;
389 }
390 
391 static QemuOptsList qemu_spice_opts = {
392     .name = "spice",
393     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
394     .merge_lists = true,
395     .desc = {
396         {
397             .name = "port",
398             .type = QEMU_OPT_NUMBER,
399         },{
400             .name = "tls-port",
401             .type = QEMU_OPT_NUMBER,
402         },{
403             .name = "addr",
404             .type = QEMU_OPT_STRING,
405         },{
406             .name = "ipv4",
407             .type = QEMU_OPT_BOOL,
408         },{
409             .name = "ipv6",
410             .type = QEMU_OPT_BOOL,
411 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
412         },{
413             .name = "unix",
414             .type = QEMU_OPT_BOOL,
415 #endif
416         },{
417             .name = "password",
418             .type = QEMU_OPT_STRING,
419         },{
420             .name = "password-secret",
421             .type = QEMU_OPT_STRING,
422         },{
423             .name = "disable-ticketing",
424             .type = QEMU_OPT_BOOL,
425         },{
426             .name = "disable-copy-paste",
427             .type = QEMU_OPT_BOOL,
428         },{
429             .name = "disable-agent-file-xfer",
430             .type = QEMU_OPT_BOOL,
431         },{
432             .name = "sasl",
433             .type = QEMU_OPT_BOOL,
434         },{
435             .name = "x509-dir",
436             .type = QEMU_OPT_STRING,
437         },{
438             .name = "x509-key-file",
439             .type = QEMU_OPT_STRING,
440         },{
441             .name = "x509-key-password",
442             .type = QEMU_OPT_STRING,
443         },{
444             .name = "x509-cert-file",
445             .type = QEMU_OPT_STRING,
446         },{
447             .name = "x509-cacert-file",
448             .type = QEMU_OPT_STRING,
449         },{
450             .name = "x509-dh-key-file",
451             .type = QEMU_OPT_STRING,
452         },{
453             .name = "tls-ciphers",
454             .type = QEMU_OPT_STRING,
455         },{
456             .name = "tls-channel",
457             .type = QEMU_OPT_STRING,
458         },{
459             .name = "plaintext-channel",
460             .type = QEMU_OPT_STRING,
461         },{
462             .name = "image-compression",
463             .type = QEMU_OPT_STRING,
464         },{
465             .name = "jpeg-wan-compression",
466             .type = QEMU_OPT_STRING,
467         },{
468             .name = "zlib-glz-wan-compression",
469             .type = QEMU_OPT_STRING,
470         },{
471             .name = "streaming-video",
472             .type = QEMU_OPT_STRING,
473         },{
474             .name = "agent-mouse",
475             .type = QEMU_OPT_BOOL,
476         },{
477             .name = "playback-compression",
478             .type = QEMU_OPT_BOOL,
479         },{
480             .name = "seamless-migration",
481             .type = QEMU_OPT_BOOL,
482         },{
483             .name = "display",
484             .type = QEMU_OPT_STRING,
485         },{
486             .name = "head",
487             .type = QEMU_OPT_NUMBER,
488 #ifdef HAVE_SPICE_GL
489         },{
490             .name = "gl",
491             .type = QEMU_OPT_BOOL,
492         },{
493             .name = "rendernode",
494             .type = QEMU_OPT_STRING,
495 #endif
496         },
497         { /* end of list */ }
498     },
499 };
500 
501 static SpiceInfo *qmp_query_spice_real(Error **errp)
502 {
503     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
504     int port, tls_port;
505     const char *addr;
506     SpiceInfo *info;
507     unsigned int major;
508     unsigned int minor;
509     unsigned int micro;
510 
511     info = g_malloc0(sizeof(*info));
512 
513     if (!spice_server || !opts) {
514         info->enabled = false;
515         return info;
516     }
517 
518     info->enabled = true;
519     info->migrated = spice_migration_completed;
520 
521     addr = qemu_opt_get(opts, "addr");
522     port = qemu_opt_get_number(opts, "port", 0);
523     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
524 
525     info->has_auth = true;
526     info->auth = g_strdup(auth);
527 
528     info->has_host = true;
529     info->host = g_strdup(addr ? addr : "*");
530 
531     info->has_compiled_version = true;
532     major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
533     minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
534     micro = SPICE_SERVER_VERSION & 0xff;
535     info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
536 
537     if (port) {
538         info->has_port = true;
539         info->port = port;
540     }
541     if (tls_port) {
542         info->has_tls_port = true;
543         info->tls_port = tls_port;
544     }
545 
546     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
547                        SPICE_QUERY_MOUSE_MODE_SERVER :
548                        SPICE_QUERY_MOUSE_MODE_CLIENT;
549 
550     /* for compatibility with the original command */
551     info->has_channels = true;
552     info->channels = qmp_query_spice_channels();
553 
554     return info;
555 }
556 
557 static void migration_state_notifier(Notifier *notifier, void *data)
558 {
559     MigrationState *s = data;
560 
561     if (!spice_have_target_host) {
562         return;
563     }
564 
565     if (migration_in_setup(s)) {
566         spice_server_migrate_start(spice_server);
567     } else if (migration_has_finished(s) ||
568                migration_in_postcopy_after_devices(s)) {
569         spice_server_migrate_end(spice_server, true);
570         spice_have_target_host = false;
571     } else if (migration_has_failed(s)) {
572         spice_server_migrate_end(spice_server, false);
573         spice_have_target_host = false;
574     }
575 }
576 
577 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
578                             const char *subject)
579 {
580     int ret;
581 
582     ret = spice_server_migrate_connect(spice_server, hostname,
583                                        port, tls_port, subject);
584     spice_have_target_host = true;
585     return ret;
586 }
587 
588 static int add_channel(void *opaque, const char *name, const char *value,
589                        Error **errp)
590 {
591     int security = 0;
592     int rc;
593 
594     if (strcmp(name, "tls-channel") == 0) {
595         int *tls_port = opaque;
596         if (!*tls_port) {
597             error_setg(errp, "spice: tried to setup tls-channel"
598                        " without specifying a TLS port");
599             return -1;
600         }
601         security = SPICE_CHANNEL_SECURITY_SSL;
602     }
603     if (strcmp(name, "plaintext-channel") == 0) {
604         security = SPICE_CHANNEL_SECURITY_NONE;
605     }
606     if (security == 0) {
607         return 0;
608     }
609     if (strcmp(value, "default") == 0) {
610         rc = spice_server_set_channel_security(spice_server, NULL, security);
611     } else {
612         rc = spice_server_set_channel_security(spice_server, value, security);
613     }
614     if (rc != 0) {
615         error_setg(errp, "spice: failed to set channel security for %s",
616                    value);
617         return -1;
618     }
619     return 0;
620 }
621 
622 static void vm_change_state_handler(void *opaque, bool running,
623                                     RunState state)
624 {
625     if (running) {
626         qemu_spice_display_start();
627     } else if (state != RUN_STATE_PAUSED) {
628         qemu_spice_display_stop();
629     }
630 }
631 
632 void qemu_spice_display_init_done(void)
633 {
634     if (runstate_is_running()) {
635         qemu_spice_display_start();
636     }
637     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
638 }
639 
640 static void qemu_spice_init(void)
641 {
642     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
643     char *password = NULL;
644     const char *passwordSecret;
645     const char *str, *x509_dir, *addr,
646         *x509_key_password = NULL,
647         *x509_dh_file = NULL,
648         *tls_ciphers = NULL;
649     char *x509_key_file = NULL,
650         *x509_cert_file = NULL,
651         *x509_cacert_file = NULL;
652     int port, tls_port, addr_flags;
653     spice_image_compression_t compression;
654     spice_wan_compression_t wan_compr;
655     bool seamless_migration;
656 
657     qemu_thread_get_self(&me);
658 
659     if (!opts) {
660         return;
661     }
662     port = qemu_opt_get_number(opts, "port", 0);
663     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
664     if (port < 0 || port > 65535) {
665         error_report("spice port is out of range");
666         exit(1);
667     }
668     if (tls_port < 0 || tls_port > 65535) {
669         error_report("spice tls-port is out of range");
670         exit(1);
671     }
672     passwordSecret = qemu_opt_get(opts, "password-secret");
673     if (passwordSecret) {
674         if (qemu_opt_get(opts, "password")) {
675             error_report("'password' option is mutually exclusive with "
676                          "'password-secret'");
677             exit(1);
678         }
679         password = qcrypto_secret_lookup_as_utf8(passwordSecret,
680                                                  &error_fatal);
681     } else {
682         str = qemu_opt_get(opts, "password");
683         if (str) {
684             warn_report("'password' option is deprecated and insecure, "
685                         "use 'password-secret' instead");
686             password = g_strdup(str);
687         }
688     }
689 
690     if (tls_port) {
691         x509_dir = qemu_opt_get(opts, "x509-dir");
692         if (!x509_dir) {
693             x509_dir = ".";
694         }
695 
696         str = qemu_opt_get(opts, "x509-key-file");
697         if (str) {
698             x509_key_file = g_strdup(str);
699         } else {
700             x509_key_file = g_strdup_printf("%s/%s", x509_dir,
701                                             X509_SERVER_KEY_FILE);
702         }
703 
704         str = qemu_opt_get(opts, "x509-cert-file");
705         if (str) {
706             x509_cert_file = g_strdup(str);
707         } else {
708             x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
709                                              X509_SERVER_CERT_FILE);
710         }
711 
712         str = qemu_opt_get(opts, "x509-cacert-file");
713         if (str) {
714             x509_cacert_file = g_strdup(str);
715         } else {
716             x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
717                                                X509_CA_CERT_FILE);
718         }
719 
720         x509_key_password = qemu_opt_get(opts, "x509-key-password");
721         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
722         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
723     }
724 
725     addr = qemu_opt_get(opts, "addr");
726     addr_flags = 0;
727     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
728         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
729     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
730         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
731 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
732     } else if (qemu_opt_get_bool(opts, "unix", 0)) {
733         addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY;
734 #endif
735     }
736 
737     spice_server = spice_server_new();
738     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
739     if (port) {
740         spice_server_set_port(spice_server, port);
741     }
742     if (tls_port) {
743         spice_server_set_tls(spice_server, tls_port,
744                              x509_cacert_file,
745                              x509_cert_file,
746                              x509_key_file,
747                              x509_key_password,
748                              x509_dh_file,
749                              tls_ciphers);
750     }
751     if (password) {
752         qemu_spice.set_passwd(password, false, false);
753     }
754     if (qemu_opt_get_bool(opts, "sasl", 0)) {
755         if (spice_server_set_sasl(spice_server, 1) == -1) {
756             error_report("spice: failed to enable sasl");
757             exit(1);
758         }
759         auth = "sasl";
760     }
761     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
762         auth = "none";
763         spice_server_set_noauth(spice_server);
764     }
765 
766     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
767         spice_server_set_agent_copypaste(spice_server, false);
768     }
769 
770     if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
771         spice_server_set_agent_file_xfer(spice_server, false);
772     }
773 
774     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
775     str = qemu_opt_get(opts, "image-compression");
776     if (str) {
777         compression = parse_compression(str);
778     }
779     spice_server_set_image_compression(spice_server, compression);
780 
781     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
782     str = qemu_opt_get(opts, "jpeg-wan-compression");
783     if (str) {
784         wan_compr = parse_wan_compression(str);
785     }
786     spice_server_set_jpeg_compression(spice_server, wan_compr);
787 
788     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
789     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
790     if (str) {
791         wan_compr = parse_wan_compression(str);
792     }
793     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
794 
795     str = qemu_opt_get(opts, "streaming-video");
796     if (str) {
797         int streaming_video = parse_stream_video(str);
798         spice_server_set_streaming_video(spice_server, streaming_video);
799     } else {
800         spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
801     }
802 
803     spice_server_set_agent_mouse
804         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
805     spice_server_set_playback_compression
806         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
807 
808     qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal);
809 
810     spice_server_set_name(spice_server, qemu_name ?: "QEMU " QEMU_VERSION);
811     spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid);
812 
813     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
814     spice_server_set_seamless_migration(spice_server, seamless_migration);
815     spice_server_set_sasl_appname(spice_server, "qemu");
816     if (spice_server_init(spice_server, &core_interface) != 0) {
817         error_report("failed to initialize spice server");
818         exit(1);
819     };
820     using_spice = 1;
821 
822     migration_state.notify = migration_state_notifier;
823     add_migration_state_change_notifier(&migration_state);
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         if (egl_rendernode_init(qemu_opt_get(opts, "rendernode"),
844                                 DISPLAYGL_MODE_ON) != 0) {
845             error_report("Failed to initialize EGL render node for SPICE GL");
846             exit(1);
847         }
848         display_opengl = 1;
849         spice_opengl = 1;
850     }
851 #endif
852 }
853 
854 static int qemu_spice_add_interface(SpiceBaseInstance *sin)
855 {
856     if (!spice_server) {
857         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
858             error_report("Oops: spice configured but not active");
859             exit(1);
860         }
861         /*
862          * Create a spice server instance.
863          * It does *not* listen on the network.
864          * It handles QXL local rendering only.
865          *
866          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
867          */
868         spice_server = spice_server_new();
869         spice_server_set_sasl_appname(spice_server, "qemu");
870         spice_server_init(spice_server, &core_interface);
871         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
872     }
873 
874     return spice_server_add_interface(spice_server, sin);
875 }
876 
877 static GSList *spice_consoles;
878 
879 bool qemu_spice_have_display_interface(QemuConsole *con)
880 {
881     if (g_slist_find(spice_consoles, con)) {
882         return true;
883     }
884     return false;
885 }
886 
887 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
888 {
889     if (g_slist_find(spice_consoles, con)) {
890         return -1;
891     }
892     qxlin->id = qemu_console_get_index(con);
893     spice_consoles = g_slist_append(spice_consoles, con);
894     return qemu_spice_add_interface(&qxlin->base);
895 }
896 
897 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
898 {
899     time_t lifetime, now = time(NULL);
900     char *passwd;
901 
902     if (now < auth_expires) {
903         passwd = auth_passwd;
904         lifetime = (auth_expires - now);
905         if (lifetime > INT_MAX) {
906             lifetime = INT_MAX;
907         }
908     } else {
909         passwd = NULL;
910         lifetime = 1;
911     }
912     return spice_server_set_ticket(spice_server, passwd, lifetime,
913                                    fail_if_conn, disconnect_if_conn);
914 }
915 
916 static int qemu_spice_set_passwd(const char *passwd,
917                                  bool fail_if_conn, bool disconnect_if_conn)
918 {
919     if (strcmp(auth, "spice") != 0) {
920         return -1;
921     }
922 
923     g_free(auth_passwd);
924     auth_passwd = g_strdup(passwd);
925     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
926 }
927 
928 static int qemu_spice_set_pw_expire(time_t expires)
929 {
930     auth_expires = expires;
931     return qemu_spice_set_ticket(false, false);
932 }
933 
934 static int qemu_spice_display_add_client(int csock, int skipauth, int tls)
935 {
936     if (tls) {
937         return spice_server_add_ssl_client(spice_server, csock, skipauth);
938     } else {
939         return spice_server_add_client(spice_server, csock, skipauth);
940     }
941 }
942 
943 void qemu_spice_display_start(void)
944 {
945     if (spice_display_is_running) {
946         return;
947     }
948 
949     spice_display_is_running = true;
950     spice_server_vm_start(spice_server);
951 }
952 
953 void qemu_spice_display_stop(void)
954 {
955     if (!spice_display_is_running) {
956         return;
957     }
958 
959     spice_server_vm_stop(spice_server);
960     spice_display_is_running = false;
961 }
962 
963 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
964 {
965     return spice_display_is_running;
966 }
967 
968 static struct QemuSpiceOps real_spice_ops = {
969     .init         = qemu_spice_init,
970     .display_init = qemu_spice_display_init,
971     .migrate_info = qemu_spice_migrate_info,
972     .set_passwd   = qemu_spice_set_passwd,
973     .set_pw_expire = qemu_spice_set_pw_expire,
974     .display_add_client = qemu_spice_display_add_client,
975     .add_interface = qemu_spice_add_interface,
976     .qmp_query = qmp_query_spice_real,
977 };
978 
979 static void spice_register_config(void)
980 {
981     qemu_spice = real_spice_ops;
982     qemu_add_opts(&qemu_spice_opts);
983 }
984 opts_init(spice_register_config);
985 module_opts("spice");
986 
987 #ifdef HAVE_SPICE_GL
988 module_dep("ui-opengl");
989 #endif
990