xref: /qemu/ui/spice-core.c (revision 7267c094)
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 
23 #include "qemu-common.h"
24 #include "qemu-spice.h"
25 #include "qemu-timer.h"
26 #include "qemu-queue.h"
27 #include "qemu-x509.h"
28 #include "qemu_socket.h"
29 #include "qint.h"
30 #include "qbool.h"
31 #include "qstring.h"
32 #include "qjson.h"
33 #include "notify.h"
34 #include "migration.h"
35 #include "monitor.h"
36 #include "hw/hw.h"
37 
38 /* core bits */
39 
40 static SpiceServer *spice_server;
41 static Notifier migration_state;
42 static const char *auth = "spice";
43 static char *auth_passwd;
44 static time_t auth_expires = TIME_MAX;
45 int using_spice = 0;
46 
47 struct SpiceTimer {
48     QEMUTimer *timer;
49     QTAILQ_ENTRY(SpiceTimer) next;
50 };
51 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
52 
53 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
54 {
55     SpiceTimer *timer;
56 
57     timer = g_malloc0(sizeof(*timer));
58     timer->timer = qemu_new_timer_ms(rt_clock, func, opaque);
59     QTAILQ_INSERT_TAIL(&timers, timer, next);
60     return timer;
61 }
62 
63 static void timer_start(SpiceTimer *timer, uint32_t ms)
64 {
65     qemu_mod_timer(timer->timer, qemu_get_clock_ms(rt_clock) + ms);
66 }
67 
68 static void timer_cancel(SpiceTimer *timer)
69 {
70     qemu_del_timer(timer->timer);
71 }
72 
73 static void timer_remove(SpiceTimer *timer)
74 {
75     qemu_del_timer(timer->timer);
76     qemu_free_timer(timer->timer);
77     QTAILQ_REMOVE(&timers, timer, next);
78     g_free(timer);
79 }
80 
81 struct SpiceWatch {
82     int fd;
83     int event_mask;
84     SpiceWatchFunc func;
85     void *opaque;
86     QTAILQ_ENTRY(SpiceWatch) next;
87 };
88 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
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     watch->event_mask = event_mask;
108     if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
109         on_read = watch_read;
110     }
111     if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
112         on_write = watch_write;
113     }
114     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
115 }
116 
117 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
118 {
119     SpiceWatch *watch;
120 
121     watch = g_malloc0(sizeof(*watch));
122     watch->fd     = fd;
123     watch->func   = func;
124     watch->opaque = opaque;
125     QTAILQ_INSERT_TAIL(&watches, watch, next);
126 
127     watch_update_mask(watch, event_mask);
128     return watch;
129 }
130 
131 static void watch_remove(SpiceWatch *watch)
132 {
133     watch_update_mask(watch, 0);
134     QTAILQ_REMOVE(&watches, watch, next);
135     g_free(watch);
136 }
137 
138 #if SPICE_INTERFACE_CORE_MINOR >= 3
139 
140 typedef struct ChannelList ChannelList;
141 struct ChannelList {
142     SpiceChannelEventInfo *info;
143     QTAILQ_ENTRY(ChannelList) link;
144 };
145 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
146 
147 static void channel_list_add(SpiceChannelEventInfo *info)
148 {
149     ChannelList *item;
150 
151     item = g_malloc0(sizeof(*item));
152     item->info = info;
153     QTAILQ_INSERT_TAIL(&channel_list, item, link);
154 }
155 
156 static void channel_list_del(SpiceChannelEventInfo *info)
157 {
158     ChannelList *item;
159 
160     QTAILQ_FOREACH(item, &channel_list, link) {
161         if (item->info != info) {
162             continue;
163         }
164         QTAILQ_REMOVE(&channel_list, item, link);
165         g_free(item);
166         return;
167     }
168 }
169 
170 static void add_addr_info(QDict *dict, struct sockaddr *addr, int len)
171 {
172     char host[NI_MAXHOST], port[NI_MAXSERV];
173     const char *family;
174 
175     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
176                 NI_NUMERICHOST | NI_NUMERICSERV);
177     family = inet_strfamily(addr->sa_family);
178 
179     qdict_put(dict, "host", qstring_from_str(host));
180     qdict_put(dict, "port", qstring_from_str(port));
181     qdict_put(dict, "family", qstring_from_str(family));
182 }
183 
184 static void add_channel_info(QDict *dict, SpiceChannelEventInfo *info)
185 {
186     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
187 
188     qdict_put(dict, "connection-id", qint_from_int(info->connection_id));
189     qdict_put(dict, "channel-type", qint_from_int(info->type));
190     qdict_put(dict, "channel-id", qint_from_int(info->id));
191     qdict_put(dict, "tls", qbool_from_int(tls));
192 }
193 
194 static QList *channel_list_get(void)
195 {
196     ChannelList *item;
197     QList *list;
198     QDict *dict;
199 
200     list = qlist_new();
201     QTAILQ_FOREACH(item, &channel_list, link) {
202         dict = qdict_new();
203         add_addr_info(dict, &item->info->paddr, item->info->plen);
204         add_channel_info(dict, item->info);
205         qlist_append(list, dict);
206     }
207     return list;
208 }
209 
210 static void channel_event(int event, SpiceChannelEventInfo *info)
211 {
212     static const int qevent[] = {
213         [ SPICE_CHANNEL_EVENT_CONNECTED    ] = QEVENT_SPICE_CONNECTED,
214         [ SPICE_CHANNEL_EVENT_INITIALIZED  ] = QEVENT_SPICE_INITIALIZED,
215         [ SPICE_CHANNEL_EVENT_DISCONNECTED ] = QEVENT_SPICE_DISCONNECTED,
216     };
217     QDict *server, *client;
218     QObject *data;
219 
220     client = qdict_new();
221     add_addr_info(client, &info->paddr, info->plen);
222 
223     server = qdict_new();
224     add_addr_info(server, &info->laddr, info->llen);
225 
226     if (event == SPICE_CHANNEL_EVENT_INITIALIZED) {
227         qdict_put(server, "auth", qstring_from_str(auth));
228         add_channel_info(client, info);
229         channel_list_add(info);
230     }
231     if (event == SPICE_CHANNEL_EVENT_DISCONNECTED) {
232         channel_list_del(info);
233     }
234 
235     data = qobject_from_jsonf("{ 'client': %p, 'server': %p }",
236                               QOBJECT(client), QOBJECT(server));
237     monitor_protocol_event(qevent[event], data);
238     qobject_decref(data);
239 }
240 
241 #else /* SPICE_INTERFACE_CORE_MINOR >= 3 */
242 
243 static QList *channel_list_get(void)
244 {
245     return NULL;
246 }
247 
248 #endif /* SPICE_INTERFACE_CORE_MINOR >= 3 */
249 
250 static SpiceCoreInterface core_interface = {
251     .base.type          = SPICE_INTERFACE_CORE,
252     .base.description   = "qemu core services",
253     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
254     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
255 
256     .timer_add          = timer_add,
257     .timer_start        = timer_start,
258     .timer_cancel       = timer_cancel,
259     .timer_remove       = timer_remove,
260 
261     .watch_add          = watch_add,
262     .watch_update_mask  = watch_update_mask,
263     .watch_remove       = watch_remove,
264 
265 #if SPICE_INTERFACE_CORE_MINOR >= 3
266     .channel_event      = channel_event,
267 #endif
268 };
269 
270 /* config string parsing */
271 
272 static int name2enum(const char *string, const char *table[], int entries)
273 {
274     int i;
275 
276     if (string) {
277         for (i = 0; i < entries; i++) {
278             if (!table[i]) {
279                 continue;
280             }
281             if (strcmp(string, table[i]) != 0) {
282                 continue;
283             }
284             return i;
285         }
286     }
287     return -1;
288 }
289 
290 static int parse_name(const char *string, const char *optname,
291                       const char *table[], int entries)
292 {
293     int value = name2enum(string, table, entries);
294 
295     if (value != -1) {
296         return value;
297     }
298     fprintf(stderr, "spice: invalid %s: %s\n", optname, string);
299     exit(1);
300 }
301 
302 static const char *stream_video_names[] = {
303     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
304     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
305     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
306 };
307 #define parse_stream_video(_name) \
308     name2enum(_name, stream_video_names, ARRAY_SIZE(stream_video_names))
309 
310 static const char *compression_names[] = {
311     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
312     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
313     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
314     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
315     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
316     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
317 };
318 #define parse_compression(_name)                                        \
319     parse_name(_name, "image compression",                              \
320                compression_names, ARRAY_SIZE(compression_names))
321 
322 static const char *wan_compression_names[] = {
323     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
324     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
325     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
326 };
327 #define parse_wan_compression(_name)                                    \
328     parse_name(_name, "wan compression",                                \
329                wan_compression_names, ARRAY_SIZE(wan_compression_names))
330 
331 /* functions for the rest of qemu */
332 
333 static void info_spice_iter(QObject *obj, void *opaque)
334 {
335     QDict *client;
336     Monitor *mon = opaque;
337 
338     client = qobject_to_qdict(obj);
339     monitor_printf(mon, "Channel:\n");
340     monitor_printf(mon, "     address: %s:%s%s\n",
341                    qdict_get_str(client, "host"),
342                    qdict_get_str(client, "port"),
343                    qdict_get_bool(client, "tls") ? " [tls]" : "");
344     monitor_printf(mon, "     session: %" PRId64 "\n",
345                    qdict_get_int(client, "connection-id"));
346     monitor_printf(mon, "     channel: %d:%d\n",
347                    (int)qdict_get_int(client, "channel-type"),
348                    (int)qdict_get_int(client, "channel-id"));
349 }
350 
351 void do_info_spice_print(Monitor *mon, const QObject *data)
352 {
353     QDict *server;
354     QList *channels;
355     const char *host;
356     int port;
357 
358     server = qobject_to_qdict(data);
359     if (qdict_get_bool(server, "enabled") == 0) {
360         monitor_printf(mon, "Server: disabled\n");
361         return;
362     }
363 
364     monitor_printf(mon, "Server:\n");
365     host = qdict_get_str(server, "host");
366     port = qdict_get_try_int(server, "port", -1);
367     if (port != -1) {
368         monitor_printf(mon, "     address: %s:%d\n", host, port);
369     }
370     port = qdict_get_try_int(server, "tls-port", -1);
371     if (port != -1) {
372         monitor_printf(mon, "     address: %s:%d [tls]\n", host, port);
373     }
374     monitor_printf(mon, "        auth: %s\n", qdict_get_str(server, "auth"));
375     monitor_printf(mon, "    compiled: %s\n",
376                    qdict_get_str(server, "compiled-version"));
377 
378     channels = qdict_get_qlist(server, "channels");
379     if (qlist_empty(channels)) {
380         monitor_printf(mon, "Channels: none\n");
381     } else {
382         qlist_iter(channels, info_spice_iter, mon);
383     }
384 }
385 
386 void do_info_spice(Monitor *mon, QObject **ret_data)
387 {
388     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
389     QDict *server;
390     QList *clist;
391     const char *addr;
392     int port, tls_port;
393     char version_string[20]; /* 12 = |255.255.255\0| is the max */
394 
395     if (!spice_server) {
396         *ret_data = qobject_from_jsonf("{ 'enabled': false }");
397         return;
398     }
399 
400     addr = qemu_opt_get(opts, "addr");
401     port = qemu_opt_get_number(opts, "port", 0);
402     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
403     clist = channel_list_get();
404 
405     server = qdict_new();
406     qdict_put(server, "enabled", qbool_from_int(true));
407     qdict_put(server, "auth", qstring_from_str(auth));
408     qdict_put(server, "host", qstring_from_str(addr ? addr : "0.0.0.0"));
409     snprintf(version_string, sizeof(version_string), "%d.%d.%d",
410              (SPICE_SERVER_VERSION & 0xff0000) >> 16,
411              (SPICE_SERVER_VERSION & 0xff00) >> 8,
412              SPICE_SERVER_VERSION & 0xff);
413     qdict_put(server, "compiled-version", qstring_from_str(version_string));
414     if (port) {
415         qdict_put(server, "port", qint_from_int(port));
416     }
417     if (tls_port) {
418         qdict_put(server, "tls-port", qint_from_int(tls_port));
419     }
420     if (clist) {
421         qdict_put(server, "channels", clist);
422     }
423 
424     *ret_data = QOBJECT(server);
425 }
426 
427 static void migration_state_notifier(Notifier *notifier, void *data)
428 {
429     int state = get_migration_state();
430 
431     if (state == MIG_STATE_COMPLETED) {
432 #if SPICE_SERVER_VERSION >= 0x000701 /* 0.7.1 */
433         spice_server_migrate_switch(spice_server);
434 #endif
435     }
436 }
437 
438 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
439                             const char *subject)
440 {
441     return spice_server_migrate_info(spice_server, hostname,
442                                      port, tls_port, subject);
443 }
444 
445 static int add_channel(const char *name, const char *value, void *opaque)
446 {
447     int security = 0;
448     int rc;
449 
450     if (strcmp(name, "tls-channel") == 0) {
451         security = SPICE_CHANNEL_SECURITY_SSL;
452     }
453     if (strcmp(name, "plaintext-channel") == 0) {
454         security = SPICE_CHANNEL_SECURITY_NONE;
455     }
456     if (security == 0) {
457         return 0;
458     }
459     if (strcmp(value, "default") == 0) {
460         rc = spice_server_set_channel_security(spice_server, NULL, security);
461     } else {
462         rc = spice_server_set_channel_security(spice_server, value, security);
463     }
464     if (rc != 0) {
465         fprintf(stderr, "spice: failed to set channel security for %s\n", value);
466         exit(1);
467     }
468     return 0;
469 }
470 
471 void qemu_spice_init(void)
472 {
473     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
474     const char *password, *str, *x509_dir, *addr,
475         *x509_key_password = NULL,
476         *x509_dh_file = NULL,
477         *tls_ciphers = NULL;
478     char *x509_key_file = NULL,
479         *x509_cert_file = NULL,
480         *x509_cacert_file = NULL;
481     int port, tls_port, len, addr_flags;
482     spice_image_compression_t compression;
483     spice_wan_compression_t wan_compr;
484 
485     if (!opts) {
486         return;
487     }
488     port = qemu_opt_get_number(opts, "port", 0);
489     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
490     if (!port && !tls_port) {
491         fprintf(stderr, "neither port nor tls-port specified for spice.");
492         exit(1);
493     }
494     if (port < 0 || port > 65535) {
495         fprintf(stderr, "spice port is out of range");
496         exit(1);
497     }
498     if (tls_port < 0 || tls_port > 65535) {
499         fprintf(stderr, "spice tls-port is out of range");
500         exit(1);
501     }
502     password = qemu_opt_get(opts, "password");
503 
504     if (tls_port) {
505         x509_dir = qemu_opt_get(opts, "x509-dir");
506         if (NULL == x509_dir) {
507             x509_dir = ".";
508         }
509         len = strlen(x509_dir) + 32;
510 
511         str = qemu_opt_get(opts, "x509-key-file");
512         if (str) {
513             x509_key_file = g_strdup(str);
514         } else {
515             x509_key_file = g_malloc(len);
516             snprintf(x509_key_file, len, "%s/%s", x509_dir, X509_SERVER_KEY_FILE);
517         }
518 
519         str = qemu_opt_get(opts, "x509-cert-file");
520         if (str) {
521             x509_cert_file = g_strdup(str);
522         } else {
523             x509_cert_file = g_malloc(len);
524             snprintf(x509_cert_file, len, "%s/%s", x509_dir, X509_SERVER_CERT_FILE);
525         }
526 
527         str = qemu_opt_get(opts, "x509-cacert-file");
528         if (str) {
529             x509_cacert_file = g_strdup(str);
530         } else {
531             x509_cacert_file = g_malloc(len);
532             snprintf(x509_cacert_file, len, "%s/%s", x509_dir, X509_CA_CERT_FILE);
533         }
534 
535         x509_key_password = qemu_opt_get(opts, "x509-key-password");
536         x509_dh_file = qemu_opt_get(opts, "x509-dh-file");
537         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
538     }
539 
540     addr = qemu_opt_get(opts, "addr");
541     addr_flags = 0;
542     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
543         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
544     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
545         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
546     }
547 
548     spice_server = spice_server_new();
549     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
550     if (port) {
551         spice_server_set_port(spice_server, port);
552     }
553     if (tls_port) {
554         spice_server_set_tls(spice_server, tls_port,
555                              x509_cacert_file,
556                              x509_cert_file,
557                              x509_key_file,
558                              x509_key_password,
559                              x509_dh_file,
560                              tls_ciphers);
561     }
562     if (password) {
563         spice_server_set_ticket(spice_server, password, 0, 0, 0);
564     }
565     if (qemu_opt_get_bool(opts, "sasl", 0)) {
566 #if SPICE_SERVER_VERSION >= 0x000900 /* 0.9.0 */
567         if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 ||
568             spice_server_set_sasl(spice_server, 1) == -1) {
569             fprintf(stderr, "spice: failed to enable sasl\n");
570             exit(1);
571         }
572 #else
573         fprintf(stderr, "spice: sasl is not available (spice >= 0.9 required)\n");
574         exit(1);
575 #endif
576     }
577     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
578         auth = "none";
579         spice_server_set_noauth(spice_server);
580     }
581 
582 #if SPICE_SERVER_VERSION >= 0x000801
583     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
584         spice_server_set_agent_copypaste(spice_server, false);
585     }
586 #endif
587 
588     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
589     str = qemu_opt_get(opts, "image-compression");
590     if (str) {
591         compression = parse_compression(str);
592     }
593     spice_server_set_image_compression(spice_server, compression);
594 
595     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
596     str = qemu_opt_get(opts, "jpeg-wan-compression");
597     if (str) {
598         wan_compr = parse_wan_compression(str);
599     }
600     spice_server_set_jpeg_compression(spice_server, wan_compr);
601 
602     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
603     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
604     if (str) {
605         wan_compr = parse_wan_compression(str);
606     }
607     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
608 
609     str = qemu_opt_get(opts, "streaming-video");
610     if (str) {
611         int streaming_video = parse_stream_video(str);
612         spice_server_set_streaming_video(spice_server, streaming_video);
613     }
614 
615     spice_server_set_agent_mouse
616         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
617     spice_server_set_playback_compression
618         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
619 
620     qemu_opt_foreach(opts, add_channel, NULL, 0);
621 
622     if (0 != spice_server_init(spice_server, &core_interface)) {
623         fprintf(stderr, "failed to initialize spice server");
624         exit(1);
625     };
626     using_spice = 1;
627 
628     migration_state.notify = migration_state_notifier;
629     add_migration_state_change_notifier(&migration_state);
630 
631     qemu_spice_input_init();
632     qemu_spice_audio_init();
633 
634     g_free(x509_key_file);
635     g_free(x509_cert_file);
636     g_free(x509_cacert_file);
637 }
638 
639 int qemu_spice_add_interface(SpiceBaseInstance *sin)
640 {
641     if (!spice_server) {
642         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
643             fprintf(stderr, "Oops: spice configured but not active\n");
644             exit(1);
645         }
646         /*
647          * Create a spice server instance.
648          * It does *not* listen on the network.
649          * It handles QXL local rendering only.
650          *
651          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
652          */
653         spice_server = spice_server_new();
654         spice_server_init(spice_server, &core_interface);
655     }
656     return spice_server_add_interface(spice_server, sin);
657 }
658 
659 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
660 {
661     time_t lifetime, now = time(NULL);
662     char *passwd;
663 
664     if (now < auth_expires) {
665         passwd = auth_passwd;
666         lifetime = (auth_expires - now);
667         if (lifetime > INT_MAX) {
668             lifetime = INT_MAX;
669         }
670     } else {
671         passwd = NULL;
672         lifetime = 1;
673     }
674     return spice_server_set_ticket(spice_server, passwd, lifetime,
675                                    fail_if_conn, disconnect_if_conn);
676 }
677 
678 int qemu_spice_set_passwd(const char *passwd,
679                           bool fail_if_conn, bool disconnect_if_conn)
680 {
681     free(auth_passwd);
682     auth_passwd = strdup(passwd);
683     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
684 }
685 
686 int qemu_spice_set_pw_expire(time_t expires)
687 {
688     auth_expires = expires;
689     return qemu_spice_set_ticket(false, false);
690 }
691 
692 static void spice_register_config(void)
693 {
694     qemu_add_opts(&qemu_spice_opts);
695 }
696 machine_init(spice_register_config);
697 
698 static void spice_initialize(void)
699 {
700     qemu_spice_init();
701 }
702 device_init(spice_initialize);
703