xref: /openbmc/qemu/ui/spice-core.c (revision 953ea14d)
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 <spice.h>
19 #include <spice-experimental.h>
20 
21 #include <netdb.h>
22 #include "sysemu/sysemu.h"
23 
24 #include "qemu-common.h"
25 #include "ui/qemu-spice.h"
26 #include "qemu/thread.h"
27 #include "qemu/timer.h"
28 #include "qemu/queue.h"
29 #include "qemu-x509.h"
30 #include "qemu/sockets.h"
31 #include "qmp-commands.h"
32 #include "qapi/qmp/qint.h"
33 #include "qapi/qmp/qbool.h"
34 #include "qapi/qmp/qstring.h"
35 #include "qapi/qmp/qjson.h"
36 #include "qemu/notify.h"
37 #include "migration/migration.h"
38 #include "hw/hw.h"
39 #include "ui/spice-display.h"
40 #include "qapi-event.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 int using_spice = 0;
53 
54 static QemuThread me;
55 
56 struct SpiceTimer {
57     QEMUTimer *timer;
58     QTAILQ_ENTRY(SpiceTimer) next;
59 };
60 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
61 
62 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
63 {
64     SpiceTimer *timer;
65 
66     timer = g_malloc0(sizeof(*timer));
67     timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
68     QTAILQ_INSERT_TAIL(&timers, timer, next);
69     return timer;
70 }
71 
72 static void timer_start(SpiceTimer *timer, uint32_t ms)
73 {
74     timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
75 }
76 
77 static void timer_cancel(SpiceTimer *timer)
78 {
79     timer_del(timer->timer);
80 }
81 
82 static void timer_remove(SpiceTimer *timer)
83 {
84     timer_del(timer->timer);
85     timer_free(timer->timer);
86     QTAILQ_REMOVE(&timers, timer, next);
87     g_free(timer);
88 }
89 
90 struct SpiceWatch {
91     int fd;
92     int event_mask;
93     SpiceWatchFunc func;
94     void *opaque;
95     QTAILQ_ENTRY(SpiceWatch) next;
96 };
97 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
98 
99 static void watch_read(void *opaque)
100 {
101     SpiceWatch *watch = opaque;
102     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
103 }
104 
105 static void watch_write(void *opaque)
106 {
107     SpiceWatch *watch = opaque;
108     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
109 }
110 
111 static void watch_update_mask(SpiceWatch *watch, int event_mask)
112 {
113     IOHandler *on_read = NULL;
114     IOHandler *on_write = NULL;
115 
116     watch->event_mask = event_mask;
117     if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
118         on_read = watch_read;
119     }
120     if (watch->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 
126 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
127 {
128     SpiceWatch *watch;
129 
130     watch = g_malloc0(sizeof(*watch));
131     watch->fd     = fd;
132     watch->func   = func;
133     watch->opaque = opaque;
134     QTAILQ_INSERT_TAIL(&watches, watch, next);
135 
136     watch_update_mask(watch, event_mask);
137     return watch;
138 }
139 
140 static void watch_remove(SpiceWatch *watch)
141 {
142     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
143     QTAILQ_REMOVE(&watches, watch, next);
144     g_free(watch);
145 }
146 
147 typedef struct ChannelList ChannelList;
148 struct ChannelList {
149     SpiceChannelEventInfo *info;
150     QTAILQ_ENTRY(ChannelList) link;
151 };
152 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
153 
154 static void channel_list_add(SpiceChannelEventInfo *info)
155 {
156     ChannelList *item;
157 
158     item = g_malloc0(sizeof(*item));
159     item->info = info;
160     QTAILQ_INSERT_TAIL(&channel_list, item, link);
161 }
162 
163 static void channel_list_del(SpiceChannelEventInfo *info)
164 {
165     ChannelList *item;
166 
167     QTAILQ_FOREACH(item, &channel_list, link) {
168         if (item->info != info) {
169             continue;
170         }
171         QTAILQ_REMOVE(&channel_list, item, link);
172         g_free(item);
173         return;
174     }
175 }
176 
177 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
178 {
179     char host[NI_MAXHOST], port[NI_MAXSERV];
180 
181     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
182                 NI_NUMERICHOST | NI_NUMERICSERV);
183 
184     info->host = g_strdup(host);
185     info->port = g_strdup(port);
186     info->family = inet_netfamily(addr->sa_family);
187 }
188 
189 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
190 {
191     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
192 
193     sc->connection_id = info->connection_id;
194     sc->channel_type = info->type;
195     sc->channel_id = info->id;
196     sc->tls = !!tls;
197 }
198 
199 static void channel_event(int event, SpiceChannelEventInfo *info)
200 {
201     SpiceServerInfo *server = g_malloc0(sizeof(*server));
202     SpiceChannel *client = g_malloc0(sizeof(*client));
203     server->base = g_malloc0(sizeof(*server->base));
204     client->base = g_malloc0(sizeof(*client->base));
205 
206     /*
207      * Spice server might have called us from spice worker thread
208      * context (happens on display channel disconnects).  Spice should
209      * not do that.  It isn't that easy to fix it in spice and even
210      * when it is fixed we still should cover the already released
211      * spice versions.  So detect that we've been called from another
212      * thread and grab the iothread lock if so before calling qemu
213      * functions.
214      */
215     bool need_lock = !qemu_thread_is_self(&me);
216     if (need_lock) {
217         qemu_mutex_lock_iothread();
218     }
219 
220     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
221         add_addr_info(client->base, (struct sockaddr *)&info->paddr_ext,
222                       info->plen_ext);
223         add_addr_info(server->base, (struct sockaddr *)&info->laddr_ext,
224                       info->llen_ext);
225     } else {
226         error_report("spice: %s, extended address is expected",
227                      __func__);
228     }
229 
230     switch (event) {
231     case SPICE_CHANNEL_EVENT_CONNECTED:
232         qapi_event_send_spice_connected(server->base, client->base, &error_abort);
233         break;
234     case SPICE_CHANNEL_EVENT_INITIALIZED:
235         if (auth) {
236             server->has_auth = true;
237             server->auth = g_strdup(auth);
238         }
239         add_channel_info(client, info);
240         channel_list_add(info);
241         qapi_event_send_spice_initialized(server, client, &error_abort);
242         break;
243     case SPICE_CHANNEL_EVENT_DISCONNECTED:
244         channel_list_del(info);
245         qapi_event_send_spice_disconnected(server->base, client->base, &error_abort);
246         break;
247     default:
248         break;
249     }
250 
251     if (need_lock) {
252         qemu_mutex_unlock_iothread();
253     }
254 
255     qapi_free_SpiceServerInfo(server);
256     qapi_free_SpiceChannel(client);
257 }
258 
259 static SpiceCoreInterface core_interface = {
260     .base.type          = SPICE_INTERFACE_CORE,
261     .base.description   = "qemu core services",
262     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
263     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
264 
265     .timer_add          = timer_add,
266     .timer_start        = timer_start,
267     .timer_cancel       = timer_cancel,
268     .timer_remove       = timer_remove,
269 
270     .watch_add          = watch_add,
271     .watch_update_mask  = watch_update_mask,
272     .watch_remove       = watch_remove,
273 
274     .channel_event      = channel_event,
275 };
276 
277 typedef struct SpiceMigration {
278     SpiceMigrateInstance sin;
279     struct {
280         MonitorCompletion *cb;
281         void *opaque;
282     } connect_complete;
283 } SpiceMigration;
284 
285 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
286 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
287 
288 static const SpiceMigrateInterface migrate_interface = {
289     .base.type = SPICE_INTERFACE_MIGRATION,
290     .base.description = "migration",
291     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
292     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
293     .migrate_connect_complete = migrate_connect_complete_cb,
294     .migrate_end_complete = migrate_end_complete_cb,
295 };
296 
297 static SpiceMigration spice_migrate;
298 
299 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
300 {
301     SpiceMigration *sm = container_of(sin, SpiceMigration, sin);
302     if (sm->connect_complete.cb) {
303         sm->connect_complete.cb(sm->connect_complete.opaque, NULL);
304     }
305     sm->connect_complete.cb = NULL;
306 }
307 
308 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
309 {
310     qapi_event_send_spice_migrate_completed(&error_abort);
311     spice_migration_completed = true;
312 }
313 
314 /* config string parsing */
315 
316 static int name2enum(const char *string, const char *table[], int entries)
317 {
318     int i;
319 
320     if (string) {
321         for (i = 0; i < entries; i++) {
322             if (!table[i]) {
323                 continue;
324             }
325             if (strcmp(string, table[i]) != 0) {
326                 continue;
327             }
328             return i;
329         }
330     }
331     return -1;
332 }
333 
334 static int parse_name(const char *string, const char *optname,
335                       const char *table[], int entries)
336 {
337     int value = name2enum(string, table, entries);
338 
339     if (value != -1) {
340         return value;
341     }
342     error_report("spice: invalid %s: %s", optname, string);
343     exit(1);
344 }
345 
346 static const char *stream_video_names[] = {
347     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
348     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
349     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
350 };
351 #define parse_stream_video(_name) \
352     parse_name(_name, "stream video control", \
353                stream_video_names, ARRAY_SIZE(stream_video_names))
354 
355 static const char *compression_names[] = {
356     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
357     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
358     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
359     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
360     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
361     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
362 };
363 #define parse_compression(_name)                                        \
364     parse_name(_name, "image compression",                              \
365                compression_names, ARRAY_SIZE(compression_names))
366 
367 static const char *wan_compression_names[] = {
368     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
369     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
370     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
371 };
372 #define parse_wan_compression(_name)                                    \
373     parse_name(_name, "wan compression",                                \
374                wan_compression_names, ARRAY_SIZE(wan_compression_names))
375 
376 /* functions for the rest of qemu */
377 
378 static SpiceChannelList *qmp_query_spice_channels(void)
379 {
380     SpiceChannelList *cur_item = NULL, *head = NULL;
381     ChannelList *item;
382 
383     QTAILQ_FOREACH(item, &channel_list, link) {
384         SpiceChannelList *chan;
385         char host[NI_MAXHOST], port[NI_MAXSERV];
386         struct sockaddr *paddr;
387         socklen_t plen;
388 
389         if (!(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT)) {
390             error_report("invalid channel event");
391             return NULL;
392         }
393 
394         chan = g_malloc0(sizeof(*chan));
395         chan->value = g_malloc0(sizeof(*chan->value));
396         chan->value->base = g_malloc0(sizeof(*chan->value->base));
397 
398         paddr = (struct sockaddr *)&item->info->paddr_ext;
399         plen = item->info->plen_ext;
400         getnameinfo(paddr, plen,
401                     host, sizeof(host), port, sizeof(port),
402                     NI_NUMERICHOST | NI_NUMERICSERV);
403         chan->value->base->host = g_strdup(host);
404         chan->value->base->port = g_strdup(port);
405         chan->value->base->family = inet_netfamily(paddr->sa_family);
406 
407         chan->value->connection_id = item->info->connection_id;
408         chan->value->channel_type = item->info->type;
409         chan->value->channel_id = item->info->id;
410         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
411 
412        /* XXX: waiting for the qapi to support GSList */
413         if (!cur_item) {
414             head = cur_item = chan;
415         } else {
416             cur_item->next = chan;
417             cur_item = chan;
418         }
419     }
420 
421     return head;
422 }
423 
424 static QemuOptsList qemu_spice_opts = {
425     .name = "spice",
426     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
427     .desc = {
428         {
429             .name = "port",
430             .type = QEMU_OPT_NUMBER,
431         },{
432             .name = "tls-port",
433             .type = QEMU_OPT_NUMBER,
434         },{
435             .name = "addr",
436             .type = QEMU_OPT_STRING,
437         },{
438             .name = "ipv4",
439             .type = QEMU_OPT_BOOL,
440         },{
441             .name = "ipv6",
442             .type = QEMU_OPT_BOOL,
443         },{
444             .name = "password",
445             .type = QEMU_OPT_STRING,
446         },{
447             .name = "disable-ticketing",
448             .type = QEMU_OPT_BOOL,
449         },{
450             .name = "disable-copy-paste",
451             .type = QEMU_OPT_BOOL,
452         },{
453             .name = "disable-agent-file-xfer",
454             .type = QEMU_OPT_BOOL,
455         },{
456             .name = "sasl",
457             .type = QEMU_OPT_BOOL,
458         },{
459             .name = "x509-dir",
460             .type = QEMU_OPT_STRING,
461         },{
462             .name = "x509-key-file",
463             .type = QEMU_OPT_STRING,
464         },{
465             .name = "x509-key-password",
466             .type = QEMU_OPT_STRING,
467         },{
468             .name = "x509-cert-file",
469             .type = QEMU_OPT_STRING,
470         },{
471             .name = "x509-cacert-file",
472             .type = QEMU_OPT_STRING,
473         },{
474             .name = "x509-dh-key-file",
475             .type = QEMU_OPT_STRING,
476         },{
477             .name = "tls-ciphers",
478             .type = QEMU_OPT_STRING,
479         },{
480             .name = "tls-channel",
481             .type = QEMU_OPT_STRING,
482         },{
483             .name = "plaintext-channel",
484             .type = QEMU_OPT_STRING,
485         },{
486             .name = "image-compression",
487             .type = QEMU_OPT_STRING,
488         },{
489             .name = "jpeg-wan-compression",
490             .type = QEMU_OPT_STRING,
491         },{
492             .name = "zlib-glz-wan-compression",
493             .type = QEMU_OPT_STRING,
494         },{
495             .name = "streaming-video",
496             .type = QEMU_OPT_STRING,
497         },{
498             .name = "agent-mouse",
499             .type = QEMU_OPT_BOOL,
500         },{
501             .name = "playback-compression",
502             .type = QEMU_OPT_BOOL,
503         }, {
504             .name = "seamless-migration",
505             .type = QEMU_OPT_BOOL,
506         },
507         { /* end of list */ }
508     },
509 };
510 
511 SpiceInfo *qmp_query_spice(Error **errp)
512 {
513     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
514     int port, tls_port;
515     const char *addr;
516     SpiceInfo *info;
517     unsigned int major;
518     unsigned int minor;
519     unsigned int micro;
520 
521     info = g_malloc0(sizeof(*info));
522 
523     if (!spice_server || !opts) {
524         info->enabled = false;
525         return info;
526     }
527 
528     info->enabled = true;
529     info->migrated = spice_migration_completed;
530 
531     addr = qemu_opt_get(opts, "addr");
532     port = qemu_opt_get_number(opts, "port", 0);
533     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
534 
535     info->has_auth = true;
536     info->auth = g_strdup(auth);
537 
538     info->has_host = true;
539     info->host = g_strdup(addr ? addr : "*");
540 
541     info->has_compiled_version = true;
542     major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
543     minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
544     micro = SPICE_SERVER_VERSION & 0xff;
545     info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
546 
547     if (port) {
548         info->has_port = true;
549         info->port = port;
550     }
551     if (tls_port) {
552         info->has_tls_port = true;
553         info->tls_port = tls_port;
554     }
555 
556     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
557                        SPICE_QUERY_MOUSE_MODE_SERVER :
558                        SPICE_QUERY_MOUSE_MODE_CLIENT;
559 
560     /* for compatibility with the original command */
561     info->has_channels = true;
562     info->channels = qmp_query_spice_channels();
563 
564     return info;
565 }
566 
567 static void migration_state_notifier(Notifier *notifier, void *data)
568 {
569     MigrationState *s = data;
570 
571     if (!spice_have_target_host) {
572         return;
573     }
574 
575     if (migration_in_setup(s)) {
576         spice_server_migrate_start(spice_server);
577     } else if (migration_has_finished(s)) {
578         spice_server_migrate_end(spice_server, true);
579         spice_have_target_host = false;
580     } else if (migration_has_failed(s)) {
581         spice_server_migrate_end(spice_server, false);
582         spice_have_target_host = false;
583     }
584 }
585 
586 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
587                             const char *subject,
588                             MonitorCompletion *cb, void *opaque)
589 {
590     int ret;
591 
592     spice_migrate.connect_complete.cb = cb;
593     spice_migrate.connect_complete.opaque = opaque;
594     ret = spice_server_migrate_connect(spice_server, hostname,
595                                        port, tls_port, subject);
596     spice_have_target_host = true;
597     return ret;
598 }
599 
600 static int add_channel(const char *name, const char *value, void *opaque)
601 {
602     int security = 0;
603     int rc;
604 
605     if (strcmp(name, "tls-channel") == 0) {
606         int *tls_port = opaque;
607         if (!*tls_port) {
608             error_report("spice: tried to setup tls-channel"
609                          " without specifying a TLS port");
610             exit(1);
611         }
612         security = SPICE_CHANNEL_SECURITY_SSL;
613     }
614     if (strcmp(name, "plaintext-channel") == 0) {
615         security = SPICE_CHANNEL_SECURITY_NONE;
616     }
617     if (security == 0) {
618         return 0;
619     }
620     if (strcmp(value, "default") == 0) {
621         rc = spice_server_set_channel_security(spice_server, NULL, security);
622     } else {
623         rc = spice_server_set_channel_security(spice_server, value, security);
624     }
625     if (rc != 0) {
626         error_report("spice: failed to set channel security for %s", value);
627         exit(1);
628     }
629     return 0;
630 }
631 
632 static void vm_change_state_handler(void *opaque, int running,
633                                     RunState state)
634 {
635     if (running) {
636         qemu_spice_display_start();
637     } else {
638         qemu_spice_display_stop();
639     }
640 }
641 
642 void qemu_spice_init(void)
643 {
644     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
645     const char *password, *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 && !tls_port) {
665         error_report("neither port nor tls-port specified for spice");
666         exit(1);
667     }
668     if (port < 0 || port > 65535) {
669         error_report("spice port is out of range");
670         exit(1);
671     }
672     if (tls_port < 0 || tls_port > 65535) {
673         error_report("spice tls-port is out of range");
674         exit(1);
675     }
676     password = qemu_opt_get(opts, "password");
677 
678     if (tls_port) {
679         x509_dir = qemu_opt_get(opts, "x509-dir");
680         if (!x509_dir) {
681             x509_dir = ".";
682         }
683 
684         str = qemu_opt_get(opts, "x509-key-file");
685         if (str) {
686             x509_key_file = g_strdup(str);
687         } else {
688             x509_key_file = g_strdup_printf("%s/%s", x509_dir,
689                                             X509_SERVER_KEY_FILE);
690         }
691 
692         str = qemu_opt_get(opts, "x509-cert-file");
693         if (str) {
694             x509_cert_file = g_strdup(str);
695         } else {
696             x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
697                                              X509_SERVER_CERT_FILE);
698         }
699 
700         str = qemu_opt_get(opts, "x509-cacert-file");
701         if (str) {
702             x509_cacert_file = g_strdup(str);
703         } else {
704             x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
705                                                X509_CA_CERT_FILE);
706         }
707 
708         x509_key_password = qemu_opt_get(opts, "x509-key-password");
709         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
710         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
711     }
712 
713     addr = qemu_opt_get(opts, "addr");
714     addr_flags = 0;
715     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
716         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
717     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
718         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
719     }
720 
721     spice_server = spice_server_new();
722     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
723     if (port) {
724         spice_server_set_port(spice_server, port);
725     }
726     if (tls_port) {
727         spice_server_set_tls(spice_server, tls_port,
728                              x509_cacert_file,
729                              x509_cert_file,
730                              x509_key_file,
731                              x509_key_password,
732                              x509_dh_file,
733                              tls_ciphers);
734     }
735     if (password) {
736         qemu_spice_set_passwd(password, false, false);
737     }
738     if (qemu_opt_get_bool(opts, "sasl", 0)) {
739         if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 ||
740             spice_server_set_sasl(spice_server, 1) == -1) {
741             error_report("spice: failed to enable sasl");
742             exit(1);
743         }
744         auth = "sasl";
745     }
746     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
747         auth = "none";
748         spice_server_set_noauth(spice_server);
749     }
750 
751     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
752         spice_server_set_agent_copypaste(spice_server, false);
753     }
754 
755     if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
756 #if SPICE_SERVER_VERSION >= 0x000c04
757         spice_server_set_agent_file_xfer(spice_server, false);
758 #else
759         error_report("this qemu build does not support the "
760                      "\"disable-agent-file-xfer\" option");
761         exit(1);
762 #endif
763     }
764 
765     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
766     str = qemu_opt_get(opts, "image-compression");
767     if (str) {
768         compression = parse_compression(str);
769     }
770     spice_server_set_image_compression(spice_server, compression);
771 
772     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
773     str = qemu_opt_get(opts, "jpeg-wan-compression");
774     if (str) {
775         wan_compr = parse_wan_compression(str);
776     }
777     spice_server_set_jpeg_compression(spice_server, wan_compr);
778 
779     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
780     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
781     if (str) {
782         wan_compr = parse_wan_compression(str);
783     }
784     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
785 
786     str = qemu_opt_get(opts, "streaming-video");
787     if (str) {
788         int streaming_video = parse_stream_video(str);
789         spice_server_set_streaming_video(spice_server, streaming_video);
790     } else {
791         spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
792     }
793 
794     spice_server_set_agent_mouse
795         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
796     spice_server_set_playback_compression
797         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
798 
799     qemu_opt_foreach(opts, add_channel, &tls_port, 0);
800 
801     spice_server_set_name(spice_server, qemu_name);
802     spice_server_set_uuid(spice_server, qemu_uuid);
803 
804     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
805     spice_server_set_seamless_migration(spice_server, seamless_migration);
806     if (spice_server_init(spice_server, &core_interface) != 0) {
807         error_report("failed to initialize spice server");
808         exit(1);
809     };
810     using_spice = 1;
811 
812     migration_state.notify = migration_state_notifier;
813     add_migration_state_change_notifier(&migration_state);
814     spice_migrate.sin.base.sif = &migrate_interface.base;
815     spice_migrate.connect_complete.cb = NULL;
816     qemu_spice_add_interface(&spice_migrate.sin.base);
817 
818     qemu_spice_input_init();
819     qemu_spice_audio_init();
820 
821     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
822 
823     g_free(x509_key_file);
824     g_free(x509_cert_file);
825     g_free(x509_cacert_file);
826 
827 #if SPICE_SERVER_VERSION >= 0x000c02
828     qemu_spice_register_ports();
829 #endif
830 }
831 
832 int qemu_spice_add_interface(SpiceBaseInstance *sin)
833 {
834     if (!spice_server) {
835         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
836             error_report("Oops: spice configured but not active");
837             exit(1);
838         }
839         /*
840          * Create a spice server instance.
841          * It does *not* listen on the network.
842          * It handles QXL local rendering only.
843          *
844          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
845          */
846         spice_server = spice_server_new();
847         spice_server_set_sasl_appname(spice_server, "qemu");
848         spice_server_init(spice_server, &core_interface);
849         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
850     }
851 
852     return spice_server_add_interface(spice_server, sin);
853 }
854 
855 static GSList *spice_consoles;
856 
857 bool qemu_spice_have_display_interface(QemuConsole *con)
858 {
859     if (g_slist_find(spice_consoles, con)) {
860         return true;
861     }
862     return false;
863 }
864 
865 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
866 {
867     if (g_slist_find(spice_consoles, con)) {
868         return -1;
869     }
870     qxlin->id = qemu_console_get_index(con);
871     spice_consoles = g_slist_append(spice_consoles, con);
872     return qemu_spice_add_interface(&qxlin->base);
873 }
874 
875 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
876 {
877     time_t lifetime, now = time(NULL);
878     char *passwd;
879 
880     if (now < auth_expires) {
881         passwd = auth_passwd;
882         lifetime = (auth_expires - now);
883         if (lifetime > INT_MAX) {
884             lifetime = INT_MAX;
885         }
886     } else {
887         passwd = NULL;
888         lifetime = 1;
889     }
890     return spice_server_set_ticket(spice_server, passwd, lifetime,
891                                    fail_if_conn, disconnect_if_conn);
892 }
893 
894 int qemu_spice_set_passwd(const char *passwd,
895                           bool fail_if_conn, bool disconnect_if_conn)
896 {
897     if (strcmp(auth, "spice") != 0) {
898         return -1;
899     }
900 
901     g_free(auth_passwd);
902     auth_passwd = g_strdup(passwd);
903     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
904 }
905 
906 int qemu_spice_set_pw_expire(time_t expires)
907 {
908     auth_expires = expires;
909     return qemu_spice_set_ticket(false, false);
910 }
911 
912 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
913 {
914     if (tls) {
915         return spice_server_add_ssl_client(spice_server, csock, skipauth);
916     } else {
917         return spice_server_add_client(spice_server, csock, skipauth);
918     }
919 }
920 
921 void qemu_spice_display_start(void)
922 {
923     spice_display_is_running = true;
924     spice_server_vm_start(spice_server);
925 }
926 
927 void qemu_spice_display_stop(void)
928 {
929     spice_server_vm_stop(spice_server);
930     spice_display_is_running = false;
931 }
932 
933 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
934 {
935     return spice_display_is_running;
936 }
937 
938 static void spice_register_config(void)
939 {
940     qemu_add_opts(&qemu_spice_opts);
941 }
942 machine_init(spice_register_config);
943