xref: /openbmc/qemu/ui/spice-core.c (revision 63186e56)
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.h"
23 
24 #include "qemu-common.h"
25 #include "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_socket.h"
31 #include "qmp-commands.h"
32 #include "qint.h"
33 #include "qbool.h"
34 #include "qstring.h"
35 #include "qjson.h"
36 #include "notify.h"
37 #include "migration.h"
38 #include "monitor.h"
39 #include "hw/hw.h"
40 #include "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 int using_spice = 0;
51 
52 static QemuThread me;
53 
54 struct SpiceTimer {
55     QEMUTimer *timer;
56     QTAILQ_ENTRY(SpiceTimer) next;
57 };
58 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
59 
60 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
61 {
62     SpiceTimer *timer;
63 
64     timer = g_malloc0(sizeof(*timer));
65     timer->timer = qemu_new_timer_ms(rt_clock, func, opaque);
66     QTAILQ_INSERT_TAIL(&timers, timer, next);
67     return timer;
68 }
69 
70 static void timer_start(SpiceTimer *timer, uint32_t ms)
71 {
72     qemu_mod_timer(timer->timer, qemu_get_clock_ms(rt_clock) + ms);
73 }
74 
75 static void timer_cancel(SpiceTimer *timer)
76 {
77     qemu_del_timer(timer->timer);
78 }
79 
80 static void timer_remove(SpiceTimer *timer)
81 {
82     qemu_del_timer(timer->timer);
83     qemu_free_timer(timer->timer);
84     QTAILQ_REMOVE(&timers, timer, next);
85     g_free(timer);
86 }
87 
88 struct SpiceWatch {
89     int fd;
90     int event_mask;
91     SpiceWatchFunc func;
92     void *opaque;
93     QTAILQ_ENTRY(SpiceWatch) next;
94 };
95 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
96 
97 static void watch_read(void *opaque)
98 {
99     SpiceWatch *watch = opaque;
100     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
101 }
102 
103 static void watch_write(void *opaque)
104 {
105     SpiceWatch *watch = opaque;
106     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
107 }
108 
109 static void watch_update_mask(SpiceWatch *watch, int event_mask)
110 {
111     IOHandler *on_read = NULL;
112     IOHandler *on_write = NULL;
113 
114     watch->event_mask = event_mask;
115     if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
116         on_read = watch_read;
117     }
118     if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
119         on_write = watch_write;
120     }
121     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
122 }
123 
124 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
125 {
126     SpiceWatch *watch;
127 
128     watch = g_malloc0(sizeof(*watch));
129     watch->fd     = fd;
130     watch->func   = func;
131     watch->opaque = opaque;
132     QTAILQ_INSERT_TAIL(&watches, watch, next);
133 
134     watch_update_mask(watch, event_mask);
135     return watch;
136 }
137 
138 static void watch_remove(SpiceWatch *watch)
139 {
140     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
141     QTAILQ_REMOVE(&watches, watch, next);
142     g_free(watch);
143 }
144 
145 typedef struct ChannelList ChannelList;
146 struct ChannelList {
147     SpiceChannelEventInfo *info;
148     QTAILQ_ENTRY(ChannelList) link;
149 };
150 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
151 
152 static void channel_list_add(SpiceChannelEventInfo *info)
153 {
154     ChannelList *item;
155 
156     item = g_malloc0(sizeof(*item));
157     item->info = info;
158     QTAILQ_INSERT_TAIL(&channel_list, item, link);
159 }
160 
161 static void channel_list_del(SpiceChannelEventInfo *info)
162 {
163     ChannelList *item;
164 
165     QTAILQ_FOREACH(item, &channel_list, link) {
166         if (item->info != info) {
167             continue;
168         }
169         QTAILQ_REMOVE(&channel_list, item, link);
170         g_free(item);
171         return;
172     }
173 }
174 
175 static void add_addr_info(QDict *dict, struct sockaddr *addr, int len)
176 {
177     char host[NI_MAXHOST], port[NI_MAXSERV];
178     const char *family;
179 
180     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
181                 NI_NUMERICHOST | NI_NUMERICSERV);
182     family = inet_strfamily(addr->sa_family);
183 
184     qdict_put(dict, "host", qstring_from_str(host));
185     qdict_put(dict, "port", qstring_from_str(port));
186     qdict_put(dict, "family", qstring_from_str(family));
187 }
188 
189 static void add_channel_info(QDict *dict, SpiceChannelEventInfo *info)
190 {
191     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
192 
193     qdict_put(dict, "connection-id", qint_from_int(info->connection_id));
194     qdict_put(dict, "channel-type", qint_from_int(info->type));
195     qdict_put(dict, "channel-id", qint_from_int(info->id));
196     qdict_put(dict, "tls", qbool_from_int(tls));
197 }
198 
199 static void channel_event(int event, SpiceChannelEventInfo *info)
200 {
201     static const int qevent[] = {
202         [ SPICE_CHANNEL_EVENT_CONNECTED    ] = QEVENT_SPICE_CONNECTED,
203         [ SPICE_CHANNEL_EVENT_INITIALIZED  ] = QEVENT_SPICE_INITIALIZED,
204         [ SPICE_CHANNEL_EVENT_DISCONNECTED ] = QEVENT_SPICE_DISCONNECTED,
205     };
206     QDict *server, *client;
207     QObject *data;
208 
209     /*
210      * Spice server might have called us from spice worker thread
211      * context (happens on display channel disconnects).  Spice should
212      * not do that.  It isn't that easy to fix it in spice and even
213      * when it is fixed we still should cover the already released
214      * spice versions.  So detect that we've been called from another
215      * thread and grab the iothread lock if so before calling qemu
216      * functions.
217      */
218     bool need_lock = !qemu_thread_is_self(&me);
219     if (need_lock) {
220         qemu_mutex_lock_iothread();
221     }
222 
223     client = qdict_new();
224     server = qdict_new();
225 
226     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
227         add_addr_info(client, (struct sockaddr *)&info->paddr_ext,
228                       info->plen_ext);
229         add_addr_info(server, (struct sockaddr *)&info->laddr_ext,
230                       info->llen_ext);
231     } else {
232         error_report("spice: %s, extended address is expected",
233                      __func__);
234     }
235 
236     if (event == SPICE_CHANNEL_EVENT_INITIALIZED) {
237         qdict_put(server, "auth", qstring_from_str(auth));
238         add_channel_info(client, info);
239         channel_list_add(info);
240     }
241     if (event == SPICE_CHANNEL_EVENT_DISCONNECTED) {
242         channel_list_del(info);
243     }
244 
245     data = qobject_from_jsonf("{ 'client': %p, 'server': %p }",
246                               QOBJECT(client), QOBJECT(server));
247     monitor_protocol_event(qevent[event], data);
248     qobject_decref(data);
249 
250     if (need_lock) {
251         qemu_mutex_unlock_iothread();
252     }
253 }
254 
255 static SpiceCoreInterface core_interface = {
256     .base.type          = SPICE_INTERFACE_CORE,
257     .base.description   = "qemu core services",
258     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
259     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
260 
261     .timer_add          = timer_add,
262     .timer_start        = timer_start,
263     .timer_cancel       = timer_cancel,
264     .timer_remove       = timer_remove,
265 
266     .watch_add          = watch_add,
267     .watch_update_mask  = watch_update_mask,
268     .watch_remove       = watch_remove,
269 
270     .channel_event      = channel_event,
271 };
272 
273 typedef struct SpiceMigration {
274     SpiceMigrateInstance sin;
275     struct {
276         MonitorCompletion *cb;
277         void *opaque;
278     } connect_complete;
279 } SpiceMigration;
280 
281 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
282 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
283 
284 static const SpiceMigrateInterface migrate_interface = {
285     .base.type = SPICE_INTERFACE_MIGRATION,
286     .base.description = "migration",
287     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
288     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
289     .migrate_connect_complete = migrate_connect_complete_cb,
290     .migrate_end_complete = migrate_end_complete_cb,
291 };
292 
293 static SpiceMigration spice_migrate;
294 
295 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
296 {
297     SpiceMigration *sm = container_of(sin, SpiceMigration, sin);
298     if (sm->connect_complete.cb) {
299         sm->connect_complete.cb(sm->connect_complete.opaque, NULL);
300     }
301     sm->connect_complete.cb = NULL;
302 }
303 
304 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
305 {
306     monitor_protocol_event(QEVENT_SPICE_MIGRATE_COMPLETED, NULL);
307     spice_migration_completed = true;
308 }
309 
310 /* config string parsing */
311 
312 static int name2enum(const char *string, const char *table[], int entries)
313 {
314     int i;
315 
316     if (string) {
317         for (i = 0; i < entries; i++) {
318             if (!table[i]) {
319                 continue;
320             }
321             if (strcmp(string, table[i]) != 0) {
322                 continue;
323             }
324             return i;
325         }
326     }
327     return -1;
328 }
329 
330 static int parse_name(const char *string, const char *optname,
331                       const char *table[], int entries)
332 {
333     int value = name2enum(string, table, entries);
334 
335     if (value != -1) {
336         return value;
337     }
338     error_report("spice: invalid %s: %s", optname, string);
339     exit(1);
340 }
341 
342 static const char *stream_video_names[] = {
343     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
344     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
345     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
346 };
347 #define parse_stream_video(_name) \
348     parse_name(_name, "stream video control", \
349                stream_video_names, ARRAY_SIZE(stream_video_names))
350 
351 static const char *compression_names[] = {
352     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
353     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
354     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
355     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
356     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
357     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
358 };
359 #define parse_compression(_name)                                        \
360     parse_name(_name, "image compression",                              \
361                compression_names, ARRAY_SIZE(compression_names))
362 
363 static const char *wan_compression_names[] = {
364     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
365     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
366     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
367 };
368 #define parse_wan_compression(_name)                                    \
369     parse_name(_name, "wan compression",                                \
370                wan_compression_names, ARRAY_SIZE(wan_compression_names))
371 
372 /* functions for the rest of qemu */
373 
374 static SpiceChannelList *qmp_query_spice_channels(void)
375 {
376     SpiceChannelList *cur_item = NULL, *head = NULL;
377     ChannelList *item;
378 
379     QTAILQ_FOREACH(item, &channel_list, link) {
380         SpiceChannelList *chan;
381         char host[NI_MAXHOST], port[NI_MAXSERV];
382         struct sockaddr *paddr;
383         socklen_t plen;
384 
385         chan = g_malloc0(sizeof(*chan));
386         chan->value = g_malloc0(sizeof(*chan->value));
387 
388         if (item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
389             paddr = (struct sockaddr *)&item->info->paddr_ext;
390             plen = item->info->plen_ext;
391         } else {
392             paddr = &item->info->paddr;
393             plen = item->info->plen;
394         }
395 
396         getnameinfo(paddr, plen,
397                     host, sizeof(host), port, sizeof(port),
398                     NI_NUMERICHOST | NI_NUMERICSERV);
399         chan->value->host = g_strdup(host);
400         chan->value->port = g_strdup(port);
401         chan->value->family = g_strdup(inet_strfamily(paddr->sa_family));
402 
403         chan->value->connection_id = item->info->connection_id;
404         chan->value->channel_type = item->info->type;
405         chan->value->channel_id = item->info->id;
406         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
407 
408        /* XXX: waiting for the qapi to support GSList */
409         if (!cur_item) {
410             head = cur_item = chan;
411         } else {
412             cur_item->next = chan;
413             cur_item = chan;
414         }
415     }
416 
417     return head;
418 }
419 
420 SpiceInfo *qmp_query_spice(Error **errp)
421 {
422     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
423     int port, tls_port;
424     const char *addr;
425     SpiceInfo *info;
426     char version_string[20]; /* 12 = |255.255.255\0| is the max */
427 
428     info = g_malloc0(sizeof(*info));
429 
430     if (!spice_server || !opts) {
431         info->enabled = false;
432         return info;
433     }
434 
435     info->enabled = true;
436     info->migrated = spice_migration_completed;
437 
438     addr = qemu_opt_get(opts, "addr");
439     port = qemu_opt_get_number(opts, "port", 0);
440     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
441 
442     info->has_auth = true;
443     info->auth = g_strdup(auth);
444 
445     info->has_host = true;
446     info->host = g_strdup(addr ? addr : "0.0.0.0");
447 
448     info->has_compiled_version = true;
449     snprintf(version_string, sizeof(version_string), "%d.%d.%d",
450              (SPICE_SERVER_VERSION & 0xff0000) >> 16,
451              (SPICE_SERVER_VERSION & 0xff00) >> 8,
452              SPICE_SERVER_VERSION & 0xff);
453     info->compiled_version = g_strdup(version_string);
454 
455     if (port) {
456         info->has_port = true;
457         info->port = port;
458     }
459     if (tls_port) {
460         info->has_tls_port = true;
461         info->tls_port = tls_port;
462     }
463 
464     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
465                        SPICE_QUERY_MOUSE_MODE_SERVER :
466                        SPICE_QUERY_MOUSE_MODE_CLIENT;
467 
468     /* for compatibility with the original command */
469     info->has_channels = true;
470     info->channels = qmp_query_spice_channels();
471 
472     return info;
473 }
474 
475 static void migration_state_notifier(Notifier *notifier, void *data)
476 {
477     MigrationState *s = data;
478 
479     if (migration_is_active(s)) {
480         spice_server_migrate_start(spice_server);
481     } else if (migration_has_finished(s)) {
482         spice_server_migrate_end(spice_server, true);
483     } else if (migration_has_failed(s)) {
484         spice_server_migrate_end(spice_server, false);
485     }
486 }
487 
488 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
489                             const char *subject,
490                             MonitorCompletion *cb, void *opaque)
491 {
492     int ret;
493 
494     spice_migrate.connect_complete.cb = cb;
495     spice_migrate.connect_complete.opaque = opaque;
496     ret = spice_server_migrate_connect(spice_server, hostname,
497                                        port, tls_port, subject);
498     return ret;
499 }
500 
501 static int add_channel(const char *name, const char *value, void *opaque)
502 {
503     int security = 0;
504     int rc;
505 
506     if (strcmp(name, "tls-channel") == 0) {
507         int *tls_port = opaque;
508         if (!*tls_port) {
509             error_report("spice: tried to setup tls-channel"
510                          " without specifying a TLS port");
511             exit(1);
512         }
513         security = SPICE_CHANNEL_SECURITY_SSL;
514     }
515     if (strcmp(name, "plaintext-channel") == 0) {
516         security = SPICE_CHANNEL_SECURITY_NONE;
517     }
518     if (security == 0) {
519         return 0;
520     }
521     if (strcmp(value, "default") == 0) {
522         rc = spice_server_set_channel_security(spice_server, NULL, security);
523     } else {
524         rc = spice_server_set_channel_security(spice_server, value, security);
525     }
526     if (rc != 0) {
527         error_report("spice: failed to set channel security for %s", value);
528         exit(1);
529     }
530     return 0;
531 }
532 
533 static void vm_change_state_handler(void *opaque, int running,
534                                     RunState state)
535 {
536     if (running) {
537         qemu_spice_display_start();
538         spice_server_vm_start(spice_server);
539     } else {
540         spice_server_vm_stop(spice_server);
541         qemu_spice_display_stop();
542     }
543 }
544 
545 void qemu_spice_init(void)
546 {
547     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
548     const char *password, *str, *x509_dir, *addr,
549         *x509_key_password = NULL,
550         *x509_dh_file = NULL,
551         *tls_ciphers = NULL;
552     char *x509_key_file = NULL,
553         *x509_cert_file = NULL,
554         *x509_cacert_file = NULL;
555     int port, tls_port, len, addr_flags;
556     spice_image_compression_t compression;
557     spice_wan_compression_t wan_compr;
558     bool seamless_migration;
559 
560     qemu_thread_get_self(&me);
561 
562     if (!opts) {
563         return;
564     }
565     port = qemu_opt_get_number(opts, "port", 0);
566     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
567     if (!port && !tls_port) {
568         error_report("neither port nor tls-port specified for spice");
569         exit(1);
570     }
571     if (port < 0 || port > 65535) {
572         error_report("spice port is out of range");
573         exit(1);
574     }
575     if (tls_port < 0 || tls_port > 65535) {
576         error_report("spice tls-port is out of range");
577         exit(1);
578     }
579     password = qemu_opt_get(opts, "password");
580 
581     if (tls_port) {
582         x509_dir = qemu_opt_get(opts, "x509-dir");
583         if (NULL == x509_dir) {
584             x509_dir = ".";
585         }
586         len = strlen(x509_dir) + 32;
587 
588         str = qemu_opt_get(opts, "x509-key-file");
589         if (str) {
590             x509_key_file = g_strdup(str);
591         } else {
592             x509_key_file = g_malloc(len);
593             snprintf(x509_key_file, len, "%s/%s", x509_dir, X509_SERVER_KEY_FILE);
594         }
595 
596         str = qemu_opt_get(opts, "x509-cert-file");
597         if (str) {
598             x509_cert_file = g_strdup(str);
599         } else {
600             x509_cert_file = g_malloc(len);
601             snprintf(x509_cert_file, len, "%s/%s", x509_dir, X509_SERVER_CERT_FILE);
602         }
603 
604         str = qemu_opt_get(opts, "x509-cacert-file");
605         if (str) {
606             x509_cacert_file = g_strdup(str);
607         } else {
608             x509_cacert_file = g_malloc(len);
609             snprintf(x509_cacert_file, len, "%s/%s", x509_dir, X509_CA_CERT_FILE);
610         }
611 
612         x509_key_password = qemu_opt_get(opts, "x509-key-password");
613         x509_dh_file = qemu_opt_get(opts, "x509-dh-file");
614         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
615     }
616 
617     addr = qemu_opt_get(opts, "addr");
618     addr_flags = 0;
619     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
620         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
621     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
622         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
623     }
624 
625     spice_server = spice_server_new();
626     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
627     if (port) {
628         spice_server_set_port(spice_server, port);
629     }
630     if (tls_port) {
631         spice_server_set_tls(spice_server, tls_port,
632                              x509_cacert_file,
633                              x509_cert_file,
634                              x509_key_file,
635                              x509_key_password,
636                              x509_dh_file,
637                              tls_ciphers);
638     }
639     if (password) {
640         spice_server_set_ticket(spice_server, password, 0, 0, 0);
641     }
642     if (qemu_opt_get_bool(opts, "sasl", 0)) {
643         if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 ||
644             spice_server_set_sasl(spice_server, 1) == -1) {
645             error_report("spice: failed to enable sasl");
646             exit(1);
647         }
648     }
649     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
650         auth = "none";
651         spice_server_set_noauth(spice_server);
652     }
653 
654     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
655         spice_server_set_agent_copypaste(spice_server, false);
656     }
657 
658     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
659     str = qemu_opt_get(opts, "image-compression");
660     if (str) {
661         compression = parse_compression(str);
662     }
663     spice_server_set_image_compression(spice_server, compression);
664 
665     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
666     str = qemu_opt_get(opts, "jpeg-wan-compression");
667     if (str) {
668         wan_compr = parse_wan_compression(str);
669     }
670     spice_server_set_jpeg_compression(spice_server, wan_compr);
671 
672     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
673     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
674     if (str) {
675         wan_compr = parse_wan_compression(str);
676     }
677     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
678 
679     str = qemu_opt_get(opts, "streaming-video");
680     if (str) {
681         int streaming_video = parse_stream_video(str);
682         spice_server_set_streaming_video(spice_server, streaming_video);
683     }
684 
685     spice_server_set_agent_mouse
686         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
687     spice_server_set_playback_compression
688         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
689 
690     qemu_opt_foreach(opts, add_channel, &tls_port, 0);
691 
692     spice_server_set_name(spice_server, qemu_name);
693     spice_server_set_uuid(spice_server, qemu_uuid);
694 
695     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
696     spice_server_set_seamless_migration(spice_server, seamless_migration);
697     if (0 != spice_server_init(spice_server, &core_interface)) {
698         error_report("failed to initialize spice server");
699         exit(1);
700     };
701     using_spice = 1;
702 
703     migration_state.notify = migration_state_notifier;
704     add_migration_state_change_notifier(&migration_state);
705     spice_migrate.sin.base.sif = &migrate_interface.base;
706     spice_migrate.connect_complete.cb = NULL;
707     qemu_spice_add_interface(&spice_migrate.sin.base);
708 
709     qemu_spice_input_init();
710     qemu_spice_audio_init();
711 
712     qemu_add_vm_change_state_handler(vm_change_state_handler, &spice_server);
713 
714     g_free(x509_key_file);
715     g_free(x509_cert_file);
716     g_free(x509_cacert_file);
717 }
718 
719 int qemu_spice_add_interface(SpiceBaseInstance *sin)
720 {
721     if (!spice_server) {
722         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
723             error_report("Oops: spice configured but not active");
724             exit(1);
725         }
726         /*
727          * Create a spice server instance.
728          * It does *not* listen on the network.
729          * It handles QXL local rendering only.
730          *
731          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
732          */
733         spice_server = spice_server_new();
734         spice_server_init(spice_server, &core_interface);
735     }
736 
737     return spice_server_add_interface(spice_server, sin);
738 }
739 
740 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
741 {
742     time_t lifetime, now = time(NULL);
743     char *passwd;
744 
745     if (now < auth_expires) {
746         passwd = auth_passwd;
747         lifetime = (auth_expires - now);
748         if (lifetime > INT_MAX) {
749             lifetime = INT_MAX;
750         }
751     } else {
752         passwd = NULL;
753         lifetime = 1;
754     }
755     return spice_server_set_ticket(spice_server, passwd, lifetime,
756                                    fail_if_conn, disconnect_if_conn);
757 }
758 
759 int qemu_spice_set_passwd(const char *passwd,
760                           bool fail_if_conn, bool disconnect_if_conn)
761 {
762     free(auth_passwd);
763     auth_passwd = strdup(passwd);
764     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
765 }
766 
767 int qemu_spice_set_pw_expire(time_t expires)
768 {
769     auth_expires = expires;
770     return qemu_spice_set_ticket(false, false);
771 }
772 
773 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
774 {
775     if (tls) {
776         return spice_server_add_ssl_client(spice_server, csock, skipauth);
777     } else {
778         return spice_server_add_client(spice_server, csock, skipauth);
779     }
780 }
781 
782 static void spice_register_config(void)
783 {
784     qemu_add_opts(&qemu_spice_opts);
785 }
786 machine_init(spice_register_config);
787