xref: /openbmc/qemu/ui/spice-core.c (revision a589569f)
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 "monitor/monitor.h"
39 #include "hw/hw.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 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(QDict *dict, struct sockaddr *addr, int len)
178 {
179     char host[NI_MAXHOST], port[NI_MAXSERV];
180     const char *family;
181 
182     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
183                 NI_NUMERICHOST | NI_NUMERICSERV);
184     family = inet_strfamily(addr->sa_family);
185 
186     qdict_put(dict, "host", qstring_from_str(host));
187     qdict_put(dict, "port", qstring_from_str(port));
188     qdict_put(dict, "family", qstring_from_str(family));
189 }
190 
191 static void add_channel_info(QDict *dict, SpiceChannelEventInfo *info)
192 {
193     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
194 
195     qdict_put(dict, "connection-id", qint_from_int(info->connection_id));
196     qdict_put(dict, "channel-type", qint_from_int(info->type));
197     qdict_put(dict, "channel-id", qint_from_int(info->id));
198     qdict_put(dict, "tls", qbool_from_int(tls));
199 }
200 
201 static void channel_event(int event, SpiceChannelEventInfo *info)
202 {
203     static const int qevent[] = {
204         [ SPICE_CHANNEL_EVENT_CONNECTED    ] = QEVENT_SPICE_CONNECTED,
205         [ SPICE_CHANNEL_EVENT_INITIALIZED  ] = QEVENT_SPICE_INITIALIZED,
206         [ SPICE_CHANNEL_EVENT_DISCONNECTED ] = QEVENT_SPICE_DISCONNECTED,
207     };
208     QDict *server, *client;
209     QObject *data;
210 
211     /*
212      * Spice server might have called us from spice worker thread
213      * context (happens on display channel disconnects).  Spice should
214      * not do that.  It isn't that easy to fix it in spice and even
215      * when it is fixed we still should cover the already released
216      * spice versions.  So detect that we've been called from another
217      * thread and grab the iothread lock if so before calling qemu
218      * functions.
219      */
220     bool need_lock = !qemu_thread_is_self(&me);
221     if (need_lock) {
222         qemu_mutex_lock_iothread();
223     }
224 
225     client = qdict_new();
226     server = qdict_new();
227 
228     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
229         add_addr_info(client, (struct sockaddr *)&info->paddr_ext,
230                       info->plen_ext);
231         add_addr_info(server, (struct sockaddr *)&info->laddr_ext,
232                       info->llen_ext);
233     } else {
234         error_report("spice: %s, extended address is expected",
235                      __func__);
236     }
237 
238     if (event == SPICE_CHANNEL_EVENT_INITIALIZED) {
239         qdict_put(server, "auth", qstring_from_str(auth));
240         add_channel_info(client, info);
241         channel_list_add(info);
242     }
243     if (event == SPICE_CHANNEL_EVENT_DISCONNECTED) {
244         channel_list_del(info);
245     }
246 
247     data = qobject_from_jsonf("{ 'client': %p, 'server': %p }",
248                               QOBJECT(client), QOBJECT(server));
249     monitor_protocol_event(qevent[event], data);
250     qobject_decref(data);
251 
252     if (need_lock) {
253         qemu_mutex_unlock_iothread();
254     }
255 }
256 
257 static SpiceCoreInterface core_interface = {
258     .base.type          = SPICE_INTERFACE_CORE,
259     .base.description   = "qemu core services",
260     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
261     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
262 
263     .timer_add          = timer_add,
264     .timer_start        = timer_start,
265     .timer_cancel       = timer_cancel,
266     .timer_remove       = timer_remove,
267 
268     .watch_add          = watch_add,
269     .watch_update_mask  = watch_update_mask,
270     .watch_remove       = watch_remove,
271 
272     .channel_event      = channel_event,
273 };
274 
275 typedef struct SpiceMigration {
276     SpiceMigrateInstance sin;
277     struct {
278         MonitorCompletion *cb;
279         void *opaque;
280     } connect_complete;
281 } SpiceMigration;
282 
283 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
284 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
285 
286 static const SpiceMigrateInterface migrate_interface = {
287     .base.type = SPICE_INTERFACE_MIGRATION,
288     .base.description = "migration",
289     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
290     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
291     .migrate_connect_complete = migrate_connect_complete_cb,
292     .migrate_end_complete = migrate_end_complete_cb,
293 };
294 
295 static SpiceMigration spice_migrate;
296 
297 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
298 {
299     SpiceMigration *sm = container_of(sin, SpiceMigration, sin);
300     if (sm->connect_complete.cb) {
301         sm->connect_complete.cb(sm->connect_complete.opaque, NULL);
302     }
303     sm->connect_complete.cb = NULL;
304 }
305 
306 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
307 {
308     monitor_protocol_event(QEVENT_SPICE_MIGRATE_COMPLETED, NULL);
309     spice_migration_completed = true;
310 }
311 
312 /* config string parsing */
313 
314 static int name2enum(const char *string, const char *table[], int entries)
315 {
316     int i;
317 
318     if (string) {
319         for (i = 0; i < entries; i++) {
320             if (!table[i]) {
321                 continue;
322             }
323             if (strcmp(string, table[i]) != 0) {
324                 continue;
325             }
326             return i;
327         }
328     }
329     return -1;
330 }
331 
332 static int parse_name(const char *string, const char *optname,
333                       const char *table[], int entries)
334 {
335     int value = name2enum(string, table, entries);
336 
337     if (value != -1) {
338         return value;
339     }
340     error_report("spice: invalid %s: %s", optname, string);
341     exit(1);
342 }
343 
344 static const char *stream_video_names[] = {
345     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
346     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
347     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
348 };
349 #define parse_stream_video(_name) \
350     parse_name(_name, "stream video control", \
351                stream_video_names, ARRAY_SIZE(stream_video_names))
352 
353 static const char *compression_names[] = {
354     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
355     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
356     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
357     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
358     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
359     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
360 };
361 #define parse_compression(_name)                                        \
362     parse_name(_name, "image compression",                              \
363                compression_names, ARRAY_SIZE(compression_names))
364 
365 static const char *wan_compression_names[] = {
366     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
367     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
368     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
369 };
370 #define parse_wan_compression(_name)                                    \
371     parse_name(_name, "wan compression",                                \
372                wan_compression_names, ARRAY_SIZE(wan_compression_names))
373 
374 /* functions for the rest of qemu */
375 
376 static SpiceChannelList *qmp_query_spice_channels(void)
377 {
378     SpiceChannelList *cur_item = NULL, *head = NULL;
379     ChannelList *item;
380 
381     QTAILQ_FOREACH(item, &channel_list, link) {
382         SpiceChannelList *chan;
383         char host[NI_MAXHOST], port[NI_MAXSERV];
384         struct sockaddr *paddr;
385         socklen_t plen;
386 
387         if (!(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT)) {
388             error_report("invalid channel event");
389             return NULL;
390         }
391 
392         chan = g_malloc0(sizeof(*chan));
393         chan->value = g_malloc0(sizeof(*chan->value));
394         chan->value->base = g_malloc0(sizeof(*chan->value->base));
395 
396         paddr = (struct sockaddr *)&item->info->paddr_ext;
397         plen = item->info->plen_ext;
398         getnameinfo(paddr, plen,
399                     host, sizeof(host), port, sizeof(port),
400                     NI_NUMERICHOST | NI_NUMERICSERV);
401         chan->value->base->host = g_strdup(host);
402         chan->value->base->port = g_strdup(port);
403         chan->value->base->family = inet_netfamily(paddr->sa_family);
404 
405         chan->value->connection_id = item->info->connection_id;
406         chan->value->channel_type = item->info->type;
407         chan->value->channel_id = item->info->id;
408         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
409 
410        /* XXX: waiting for the qapi to support GSList */
411         if (!cur_item) {
412             head = cur_item = chan;
413         } else {
414             cur_item->next = chan;
415             cur_item = chan;
416         }
417     }
418 
419     return head;
420 }
421 
422 static QemuOptsList qemu_spice_opts = {
423     .name = "spice",
424     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
425     .desc = {
426         {
427             .name = "port",
428             .type = QEMU_OPT_NUMBER,
429         },{
430             .name = "tls-port",
431             .type = QEMU_OPT_NUMBER,
432         },{
433             .name = "addr",
434             .type = QEMU_OPT_STRING,
435         },{
436             .name = "ipv4",
437             .type = QEMU_OPT_BOOL,
438         },{
439             .name = "ipv6",
440             .type = QEMU_OPT_BOOL,
441         },{
442             .name = "password",
443             .type = QEMU_OPT_STRING,
444         },{
445             .name = "disable-ticketing",
446             .type = QEMU_OPT_BOOL,
447         },{
448             .name = "disable-copy-paste",
449             .type = QEMU_OPT_BOOL,
450         },{
451             .name = "disable-agent-file-xfer",
452             .type = QEMU_OPT_BOOL,
453         },{
454             .name = "sasl",
455             .type = QEMU_OPT_BOOL,
456         },{
457             .name = "x509-dir",
458             .type = QEMU_OPT_STRING,
459         },{
460             .name = "x509-key-file",
461             .type = QEMU_OPT_STRING,
462         },{
463             .name = "x509-key-password",
464             .type = QEMU_OPT_STRING,
465         },{
466             .name = "x509-cert-file",
467             .type = QEMU_OPT_STRING,
468         },{
469             .name = "x509-cacert-file",
470             .type = QEMU_OPT_STRING,
471         },{
472             .name = "x509-dh-key-file",
473             .type = QEMU_OPT_STRING,
474         },{
475             .name = "tls-ciphers",
476             .type = QEMU_OPT_STRING,
477         },{
478             .name = "tls-channel",
479             .type = QEMU_OPT_STRING,
480         },{
481             .name = "plaintext-channel",
482             .type = QEMU_OPT_STRING,
483         },{
484             .name = "image-compression",
485             .type = QEMU_OPT_STRING,
486         },{
487             .name = "jpeg-wan-compression",
488             .type = QEMU_OPT_STRING,
489         },{
490             .name = "zlib-glz-wan-compression",
491             .type = QEMU_OPT_STRING,
492         },{
493             .name = "streaming-video",
494             .type = QEMU_OPT_STRING,
495         },{
496             .name = "agent-mouse",
497             .type = QEMU_OPT_BOOL,
498         },{
499             .name = "playback-compression",
500             .type = QEMU_OPT_BOOL,
501         }, {
502             .name = "seamless-migration",
503             .type = QEMU_OPT_BOOL,
504         },
505         { /* end of list */ }
506     },
507 };
508 
509 SpiceInfo *qmp_query_spice(Error **errp)
510 {
511     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
512     int port, tls_port;
513     const char *addr;
514     SpiceInfo *info;
515     unsigned int major;
516     unsigned int minor;
517     unsigned int micro;
518 
519     info = g_malloc0(sizeof(*info));
520 
521     if (!spice_server || !opts) {
522         info->enabled = false;
523         return info;
524     }
525 
526     info->enabled = true;
527     info->migrated = spice_migration_completed;
528 
529     addr = qemu_opt_get(opts, "addr");
530     port = qemu_opt_get_number(opts, "port", 0);
531     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
532 
533     info->has_auth = true;
534     info->auth = g_strdup(auth);
535 
536     info->has_host = true;
537     info->host = g_strdup(addr ? addr : "*");
538 
539     info->has_compiled_version = true;
540     major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
541     minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
542     micro = SPICE_SERVER_VERSION & 0xff;
543     info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
544 
545     if (port) {
546         info->has_port = true;
547         info->port = port;
548     }
549     if (tls_port) {
550         info->has_tls_port = true;
551         info->tls_port = tls_port;
552     }
553 
554     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
555                        SPICE_QUERY_MOUSE_MODE_SERVER :
556                        SPICE_QUERY_MOUSE_MODE_CLIENT;
557 
558     /* for compatibility with the original command */
559     info->has_channels = true;
560     info->channels = qmp_query_spice_channels();
561 
562     return info;
563 }
564 
565 static void migration_state_notifier(Notifier *notifier, void *data)
566 {
567     MigrationState *s = data;
568 
569     if (!spice_have_target_host) {
570         return;
571     }
572 
573     if (migration_in_setup(s)) {
574         spice_server_migrate_start(spice_server);
575     } else if (migration_has_finished(s)) {
576         spice_server_migrate_end(spice_server, true);
577         spice_have_target_host = false;
578     } else if (migration_has_failed(s)) {
579         spice_server_migrate_end(spice_server, false);
580         spice_have_target_host = false;
581     }
582 }
583 
584 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
585                             const char *subject,
586                             MonitorCompletion *cb, void *opaque)
587 {
588     int ret;
589 
590     spice_migrate.connect_complete.cb = cb;
591     spice_migrate.connect_complete.opaque = opaque;
592     ret = spice_server_migrate_connect(spice_server, hostname,
593                                        port, tls_port, subject);
594     spice_have_target_host = true;
595     return ret;
596 }
597 
598 static int add_channel(const char *name, const char *value, void *opaque)
599 {
600     int security = 0;
601     int rc;
602 
603     if (strcmp(name, "tls-channel") == 0) {
604         int *tls_port = opaque;
605         if (!*tls_port) {
606             error_report("spice: tried to setup tls-channel"
607                          " without specifying a TLS port");
608             exit(1);
609         }
610         security = SPICE_CHANNEL_SECURITY_SSL;
611     }
612     if (strcmp(name, "plaintext-channel") == 0) {
613         security = SPICE_CHANNEL_SECURITY_NONE;
614     }
615     if (security == 0) {
616         return 0;
617     }
618     if (strcmp(value, "default") == 0) {
619         rc = spice_server_set_channel_security(spice_server, NULL, security);
620     } else {
621         rc = spice_server_set_channel_security(spice_server, value, security);
622     }
623     if (rc != 0) {
624         error_report("spice: failed to set channel security for %s", value);
625         exit(1);
626     }
627     return 0;
628 }
629 
630 static void vm_change_state_handler(void *opaque, int running,
631                                     RunState state)
632 {
633     if (running) {
634         qemu_spice_display_start();
635     } else {
636         qemu_spice_display_stop();
637     }
638 }
639 
640 void qemu_spice_init(void)
641 {
642     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
643     const char *password, *str, *x509_dir, *addr,
644         *x509_key_password = NULL,
645         *x509_dh_file = NULL,
646         *tls_ciphers = NULL;
647     char *x509_key_file = NULL,
648         *x509_cert_file = NULL,
649         *x509_cacert_file = NULL;
650     int port, tls_port, addr_flags;
651     spice_image_compression_t compression;
652     spice_wan_compression_t wan_compr;
653     bool seamless_migration;
654 
655     qemu_thread_get_self(&me);
656 
657     if (!opts) {
658         return;
659     }
660     port = qemu_opt_get_number(opts, "port", 0);
661     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
662     if (!port && !tls_port) {
663         error_report("neither port nor tls-port specified for spice");
664         exit(1);
665     }
666     if (port < 0 || port > 65535) {
667         error_report("spice port is out of range");
668         exit(1);
669     }
670     if (tls_port < 0 || tls_port > 65535) {
671         error_report("spice tls-port is out of range");
672         exit(1);
673     }
674     password = qemu_opt_get(opts, "password");
675 
676     if (tls_port) {
677         x509_dir = qemu_opt_get(opts, "x509-dir");
678         if (NULL == x509_dir) {
679             x509_dir = ".";
680         }
681 
682         str = qemu_opt_get(opts, "x509-key-file");
683         if (str) {
684             x509_key_file = g_strdup(str);
685         } else {
686             x509_key_file = g_strdup_printf("%s/%s", x509_dir,
687                                             X509_SERVER_KEY_FILE);
688         }
689 
690         str = qemu_opt_get(opts, "x509-cert-file");
691         if (str) {
692             x509_cert_file = g_strdup(str);
693         } else {
694             x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
695                                              X509_SERVER_CERT_FILE);
696         }
697 
698         str = qemu_opt_get(opts, "x509-cacert-file");
699         if (str) {
700             x509_cacert_file = g_strdup(str);
701         } else {
702             x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
703                                                X509_CA_CERT_FILE);
704         }
705 
706         x509_key_password = qemu_opt_get(opts, "x509-key-password");
707         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
708         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
709     }
710 
711     addr = qemu_opt_get(opts, "addr");
712     addr_flags = 0;
713     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
714         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
715     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
716         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
717     }
718 
719     spice_server = spice_server_new();
720     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
721     if (port) {
722         spice_server_set_port(spice_server, port);
723     }
724     if (tls_port) {
725         spice_server_set_tls(spice_server, tls_port,
726                              x509_cacert_file,
727                              x509_cert_file,
728                              x509_key_file,
729                              x509_key_password,
730                              x509_dh_file,
731                              tls_ciphers);
732     }
733     if (password) {
734         spice_server_set_ticket(spice_server, password, 0, 0, 0);
735     }
736     if (qemu_opt_get_bool(opts, "sasl", 0)) {
737         if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 ||
738             spice_server_set_sasl(spice_server, 1) == -1) {
739             error_report("spice: failed to enable sasl");
740             exit(1);
741         }
742     }
743     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
744         auth = "none";
745         spice_server_set_noauth(spice_server);
746     }
747 
748     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
749         spice_server_set_agent_copypaste(spice_server, false);
750     }
751 
752     if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
753 #if SPICE_SERVER_VERSION >= 0x000c04
754         spice_server_set_agent_file_xfer(spice_server, false);
755 #else
756         error_report("this qemu build does not support the "
757                      "\"disable-agent-file-xfer\" option");
758         exit(1);
759 #endif
760     }
761 
762     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
763     str = qemu_opt_get(opts, "image-compression");
764     if (str) {
765         compression = parse_compression(str);
766     }
767     spice_server_set_image_compression(spice_server, compression);
768 
769     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
770     str = qemu_opt_get(opts, "jpeg-wan-compression");
771     if (str) {
772         wan_compr = parse_wan_compression(str);
773     }
774     spice_server_set_jpeg_compression(spice_server, wan_compr);
775 
776     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
777     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
778     if (str) {
779         wan_compr = parse_wan_compression(str);
780     }
781     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
782 
783     str = qemu_opt_get(opts, "streaming-video");
784     if (str) {
785         int streaming_video = parse_stream_video(str);
786         spice_server_set_streaming_video(spice_server, streaming_video);
787     } else {
788         spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
789     }
790 
791     spice_server_set_agent_mouse
792         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
793     spice_server_set_playback_compression
794         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
795 
796     qemu_opt_foreach(opts, add_channel, &tls_port, 0);
797 
798     spice_server_set_name(spice_server, qemu_name);
799     spice_server_set_uuid(spice_server, qemu_uuid);
800 
801     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
802     spice_server_set_seamless_migration(spice_server, seamless_migration);
803     if (0 != spice_server_init(spice_server, &core_interface)) {
804         error_report("failed to initialize spice server");
805         exit(1);
806     };
807     using_spice = 1;
808 
809     migration_state.notify = migration_state_notifier;
810     add_migration_state_change_notifier(&migration_state);
811     spice_migrate.sin.base.sif = &migrate_interface.base;
812     spice_migrate.connect_complete.cb = NULL;
813     qemu_spice_add_interface(&spice_migrate.sin.base);
814 
815     qemu_spice_input_init();
816     qemu_spice_audio_init();
817 
818     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
819 
820     g_free(x509_key_file);
821     g_free(x509_cert_file);
822     g_free(x509_cacert_file);
823 
824 #if SPICE_SERVER_VERSION >= 0x000c02
825     qemu_spice_register_ports();
826 #endif
827 }
828 
829 int qemu_spice_add_interface(SpiceBaseInstance *sin)
830 {
831     if (!spice_server) {
832         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
833             error_report("Oops: spice configured but not active");
834             exit(1);
835         }
836         /*
837          * Create a spice server instance.
838          * It does *not* listen on the network.
839          * It handles QXL local rendering only.
840          *
841          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
842          */
843         spice_server = spice_server_new();
844         spice_server_set_sasl_appname(spice_server, "qemu");
845         spice_server_init(spice_server, &core_interface);
846         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
847     }
848 
849     return spice_server_add_interface(spice_server, sin);
850 }
851 
852 static GSList *spice_consoles;
853 static int display_id;
854 
855 bool qemu_spice_have_display_interface(QemuConsole *con)
856 {
857     if (g_slist_find(spice_consoles, con)) {
858         return true;
859     }
860     return false;
861 }
862 
863 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
864 {
865     if (g_slist_find(spice_consoles, con)) {
866         return -1;
867     }
868     qxlin->id = display_id++;
869     spice_consoles = g_slist_append(spice_consoles, con);
870     return qemu_spice_add_interface(&qxlin->base);
871 }
872 
873 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
874 {
875     time_t lifetime, now = time(NULL);
876     char *passwd;
877 
878     if (now < auth_expires) {
879         passwd = auth_passwd;
880         lifetime = (auth_expires - now);
881         if (lifetime > INT_MAX) {
882             lifetime = INT_MAX;
883         }
884     } else {
885         passwd = NULL;
886         lifetime = 1;
887     }
888     return spice_server_set_ticket(spice_server, passwd, lifetime,
889                                    fail_if_conn, disconnect_if_conn);
890 }
891 
892 int qemu_spice_set_passwd(const char *passwd,
893                           bool fail_if_conn, bool disconnect_if_conn)
894 {
895     g_free(auth_passwd);
896     auth_passwd = g_strdup(passwd);
897     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
898 }
899 
900 int qemu_spice_set_pw_expire(time_t expires)
901 {
902     auth_expires = expires;
903     return qemu_spice_set_ticket(false, false);
904 }
905 
906 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
907 {
908     if (tls) {
909         return spice_server_add_ssl_client(spice_server, csock, skipauth);
910     } else {
911         return spice_server_add_client(spice_server, csock, skipauth);
912     }
913 }
914 
915 void qemu_spice_display_start(void)
916 {
917     spice_display_is_running = true;
918     spice_server_vm_start(spice_server);
919 }
920 
921 void qemu_spice_display_stop(void)
922 {
923     spice_server_vm_stop(spice_server);
924     spice_display_is_running = false;
925 }
926 
927 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
928 {
929     return spice_display_is_running;
930 }
931 
932 static void spice_register_config(void)
933 {
934     qemu_add_opts(&qemu_spice_opts);
935 }
936 machine_init(spice_register_config);
937