xref: /openbmc/qemu/ui/spice-core.c (revision 7c6da3de)
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 <pthread.h>
23 
24 #include "qemu-common.h"
25 #include "qemu-spice.h"
26 #include "qemu-timer.h"
27 #include "qemu-queue.h"
28 #include "qemu-x509.h"
29 #include "qemu_socket.h"
30 #include "qint.h"
31 #include "qbool.h"
32 #include "qstring.h"
33 #include "qjson.h"
34 #include "notify.h"
35 #include "migration.h"
36 #include "monitor.h"
37 #include "hw/hw.h"
38 
39 /* core bits */
40 
41 static SpiceServer *spice_server;
42 static Notifier migration_state;
43 static const char *auth = "spice";
44 static char *auth_passwd;
45 static time_t auth_expires = TIME_MAX;
46 int using_spice = 0;
47 
48 static pthread_t me;
49 
50 struct SpiceTimer {
51     QEMUTimer *timer;
52     QTAILQ_ENTRY(SpiceTimer) next;
53 };
54 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
55 
56 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
57 {
58     SpiceTimer *timer;
59 
60     timer = g_malloc0(sizeof(*timer));
61     timer->timer = qemu_new_timer_ms(rt_clock, func, opaque);
62     QTAILQ_INSERT_TAIL(&timers, timer, next);
63     return timer;
64 }
65 
66 static void timer_start(SpiceTimer *timer, uint32_t ms)
67 {
68     qemu_mod_timer(timer->timer, qemu_get_clock_ms(rt_clock) + ms);
69 }
70 
71 static void timer_cancel(SpiceTimer *timer)
72 {
73     qemu_del_timer(timer->timer);
74 }
75 
76 static void timer_remove(SpiceTimer *timer)
77 {
78     qemu_del_timer(timer->timer);
79     qemu_free_timer(timer->timer);
80     QTAILQ_REMOVE(&timers, timer, next);
81     g_free(timer);
82 }
83 
84 struct SpiceWatch {
85     int fd;
86     int event_mask;
87     SpiceWatchFunc func;
88     void *opaque;
89     QTAILQ_ENTRY(SpiceWatch) next;
90 };
91 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
92 
93 static void watch_read(void *opaque)
94 {
95     SpiceWatch *watch = opaque;
96     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
97 }
98 
99 static void watch_write(void *opaque)
100 {
101     SpiceWatch *watch = opaque;
102     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
103 }
104 
105 static void watch_update_mask(SpiceWatch *watch, int event_mask)
106 {
107     IOHandler *on_read = NULL;
108     IOHandler *on_write = NULL;
109 
110     watch->event_mask = event_mask;
111     if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
112         on_read = watch_read;
113     }
114     if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
115         on_write = watch_write;
116     }
117     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
118 }
119 
120 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
121 {
122     SpiceWatch *watch;
123 
124     watch = g_malloc0(sizeof(*watch));
125     watch->fd     = fd;
126     watch->func   = func;
127     watch->opaque = opaque;
128     QTAILQ_INSERT_TAIL(&watches, watch, next);
129 
130     watch_update_mask(watch, event_mask);
131     return watch;
132 }
133 
134 static void watch_remove(SpiceWatch *watch)
135 {
136     watch_update_mask(watch, 0);
137     QTAILQ_REMOVE(&watches, watch, next);
138     g_free(watch);
139 }
140 
141 #if SPICE_INTERFACE_CORE_MINOR >= 3
142 
143 typedef struct ChannelList ChannelList;
144 struct ChannelList {
145     SpiceChannelEventInfo *info;
146     QTAILQ_ENTRY(ChannelList) link;
147 };
148 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
149 
150 static void channel_list_add(SpiceChannelEventInfo *info)
151 {
152     ChannelList *item;
153 
154     item = g_malloc0(sizeof(*item));
155     item->info = info;
156     QTAILQ_INSERT_TAIL(&channel_list, item, link);
157 }
158 
159 static void channel_list_del(SpiceChannelEventInfo *info)
160 {
161     ChannelList *item;
162 
163     QTAILQ_FOREACH(item, &channel_list, link) {
164         if (item->info != info) {
165             continue;
166         }
167         QTAILQ_REMOVE(&channel_list, item, link);
168         g_free(item);
169         return;
170     }
171 }
172 
173 static void add_addr_info(QDict *dict, struct sockaddr *addr, int len)
174 {
175     char host[NI_MAXHOST], port[NI_MAXSERV];
176     const char *family;
177 
178     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
179                 NI_NUMERICHOST | NI_NUMERICSERV);
180     family = inet_strfamily(addr->sa_family);
181 
182     qdict_put(dict, "host", qstring_from_str(host));
183     qdict_put(dict, "port", qstring_from_str(port));
184     qdict_put(dict, "family", qstring_from_str(family));
185 }
186 
187 static void add_channel_info(QDict *dict, SpiceChannelEventInfo *info)
188 {
189     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
190 
191     qdict_put(dict, "connection-id", qint_from_int(info->connection_id));
192     qdict_put(dict, "channel-type", qint_from_int(info->type));
193     qdict_put(dict, "channel-id", qint_from_int(info->id));
194     qdict_put(dict, "tls", qbool_from_int(tls));
195 }
196 
197 static QList *channel_list_get(void)
198 {
199     ChannelList *item;
200     QList *list;
201     QDict *dict;
202 
203     list = qlist_new();
204     QTAILQ_FOREACH(item, &channel_list, link) {
205         dict = qdict_new();
206         add_addr_info(dict, &item->info->paddr, item->info->plen);
207         add_channel_info(dict, item->info);
208         qlist_append(list, dict);
209     }
210     return list;
211 }
212 
213 static void channel_event(int event, SpiceChannelEventInfo *info)
214 {
215     static const int qevent[] = {
216         [ SPICE_CHANNEL_EVENT_CONNECTED    ] = QEVENT_SPICE_CONNECTED,
217         [ SPICE_CHANNEL_EVENT_INITIALIZED  ] = QEVENT_SPICE_INITIALIZED,
218         [ SPICE_CHANNEL_EVENT_DISCONNECTED ] = QEVENT_SPICE_DISCONNECTED,
219     };
220     QDict *server, *client;
221     QObject *data;
222 
223     /*
224      * Spice server might have called us from spice worker thread
225      * context (happens on display channel disconnects).  Spice should
226      * not do that.  It isn't that easy to fix it in spice and even
227      * when it is fixed we still should cover the already released
228      * spice versions.  So detect that we've been called from another
229      * thread and grab the iothread lock if so before calling qemu
230      * functions.
231      */
232     bool need_lock = !pthread_equal(me, pthread_self());
233     if (need_lock) {
234         qemu_mutex_lock_iothread();
235     }
236 
237     client = qdict_new();
238     add_addr_info(client, &info->paddr, info->plen);
239 
240     server = qdict_new();
241     add_addr_info(server, &info->laddr, info->llen);
242 
243     if (event == SPICE_CHANNEL_EVENT_INITIALIZED) {
244         qdict_put(server, "auth", qstring_from_str(auth));
245         add_channel_info(client, info);
246         channel_list_add(info);
247     }
248     if (event == SPICE_CHANNEL_EVENT_DISCONNECTED) {
249         channel_list_del(info);
250     }
251 
252     data = qobject_from_jsonf("{ 'client': %p, 'server': %p }",
253                               QOBJECT(client), QOBJECT(server));
254     monitor_protocol_event(qevent[event], data);
255     qobject_decref(data);
256 
257     if (need_lock) {
258         qemu_mutex_unlock_iothread();
259     }
260 }
261 
262 #else /* SPICE_INTERFACE_CORE_MINOR >= 3 */
263 
264 static QList *channel_list_get(void)
265 {
266     return NULL;
267 }
268 
269 #endif /* SPICE_INTERFACE_CORE_MINOR >= 3 */
270 
271 static SpiceCoreInterface core_interface = {
272     .base.type          = SPICE_INTERFACE_CORE,
273     .base.description   = "qemu core services",
274     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
275     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
276 
277     .timer_add          = timer_add,
278     .timer_start        = timer_start,
279     .timer_cancel       = timer_cancel,
280     .timer_remove       = timer_remove,
281 
282     .watch_add          = watch_add,
283     .watch_update_mask  = watch_update_mask,
284     .watch_remove       = watch_remove,
285 
286 #if SPICE_INTERFACE_CORE_MINOR >= 3
287     .channel_event      = channel_event,
288 #endif
289 };
290 
291 /* config string parsing */
292 
293 static int name2enum(const char *string, const char *table[], int entries)
294 {
295     int i;
296 
297     if (string) {
298         for (i = 0; i < entries; i++) {
299             if (!table[i]) {
300                 continue;
301             }
302             if (strcmp(string, table[i]) != 0) {
303                 continue;
304             }
305             return i;
306         }
307     }
308     return -1;
309 }
310 
311 static int parse_name(const char *string, const char *optname,
312                       const char *table[], int entries)
313 {
314     int value = name2enum(string, table, entries);
315 
316     if (value != -1) {
317         return value;
318     }
319     fprintf(stderr, "spice: invalid %s: %s\n", optname, string);
320     exit(1);
321 }
322 
323 static const char *stream_video_names[] = {
324     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
325     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
326     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
327 };
328 #define parse_stream_video(_name) \
329     name2enum(_name, stream_video_names, ARRAY_SIZE(stream_video_names))
330 
331 static const char *compression_names[] = {
332     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
333     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
334     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
335     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
336     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
337     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
338 };
339 #define parse_compression(_name)                                        \
340     parse_name(_name, "image compression",                              \
341                compression_names, ARRAY_SIZE(compression_names))
342 
343 static const char *wan_compression_names[] = {
344     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
345     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
346     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
347 };
348 #define parse_wan_compression(_name)                                    \
349     parse_name(_name, "wan compression",                                \
350                wan_compression_names, ARRAY_SIZE(wan_compression_names))
351 
352 /* functions for the rest of qemu */
353 
354 static void info_spice_iter(QObject *obj, void *opaque)
355 {
356     QDict *client;
357     Monitor *mon = opaque;
358 
359     client = qobject_to_qdict(obj);
360     monitor_printf(mon, "Channel:\n");
361     monitor_printf(mon, "     address: %s:%s%s\n",
362                    qdict_get_str(client, "host"),
363                    qdict_get_str(client, "port"),
364                    qdict_get_bool(client, "tls") ? " [tls]" : "");
365     monitor_printf(mon, "     session: %" PRId64 "\n",
366                    qdict_get_int(client, "connection-id"));
367     monitor_printf(mon, "     channel: %d:%d\n",
368                    (int)qdict_get_int(client, "channel-type"),
369                    (int)qdict_get_int(client, "channel-id"));
370 }
371 
372 void do_info_spice_print(Monitor *mon, const QObject *data)
373 {
374     QDict *server;
375     QList *channels;
376     const char *host;
377     int port;
378 
379     server = qobject_to_qdict(data);
380     if (qdict_get_bool(server, "enabled") == 0) {
381         monitor_printf(mon, "Server: disabled\n");
382         return;
383     }
384 
385     monitor_printf(mon, "Server:\n");
386     host = qdict_get_str(server, "host");
387     port = qdict_get_try_int(server, "port", -1);
388     if (port != -1) {
389         monitor_printf(mon, "     address: %s:%d\n", host, port);
390     }
391     port = qdict_get_try_int(server, "tls-port", -1);
392     if (port != -1) {
393         monitor_printf(mon, "     address: %s:%d [tls]\n", host, port);
394     }
395     monitor_printf(mon, "        auth: %s\n", qdict_get_str(server, "auth"));
396     monitor_printf(mon, "    compiled: %s\n",
397                    qdict_get_str(server, "compiled-version"));
398 
399     channels = qdict_get_qlist(server, "channels");
400     if (qlist_empty(channels)) {
401         monitor_printf(mon, "Channels: none\n");
402     } else {
403         qlist_iter(channels, info_spice_iter, mon);
404     }
405 }
406 
407 void do_info_spice(Monitor *mon, QObject **ret_data)
408 {
409     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
410     QDict *server;
411     QList *clist;
412     const char *addr;
413     int port, tls_port;
414     char version_string[20]; /* 12 = |255.255.255\0| is the max */
415 
416     if (!spice_server) {
417         *ret_data = qobject_from_jsonf("{ 'enabled': false }");
418         return;
419     }
420 
421     addr = qemu_opt_get(opts, "addr");
422     port = qemu_opt_get_number(opts, "port", 0);
423     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
424     clist = channel_list_get();
425 
426     server = qdict_new();
427     qdict_put(server, "enabled", qbool_from_int(true));
428     qdict_put(server, "auth", qstring_from_str(auth));
429     qdict_put(server, "host", qstring_from_str(addr ? addr : "0.0.0.0"));
430     snprintf(version_string, sizeof(version_string), "%d.%d.%d",
431              (SPICE_SERVER_VERSION & 0xff0000) >> 16,
432              (SPICE_SERVER_VERSION & 0xff00) >> 8,
433              SPICE_SERVER_VERSION & 0xff);
434     qdict_put(server, "compiled-version", qstring_from_str(version_string));
435     if (port) {
436         qdict_put(server, "port", qint_from_int(port));
437     }
438     if (tls_port) {
439         qdict_put(server, "tls-port", qint_from_int(tls_port));
440     }
441     if (clist) {
442         qdict_put(server, "channels", clist);
443     }
444 
445     *ret_data = QOBJECT(server);
446 }
447 
448 static void migration_state_notifier(Notifier *notifier, void *data)
449 {
450     int state = get_migration_state();
451 
452     if (state == MIG_STATE_COMPLETED) {
453 #if SPICE_SERVER_VERSION >= 0x000701 /* 0.7.1 */
454         spice_server_migrate_switch(spice_server);
455 #endif
456     }
457 }
458 
459 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
460                             const char *subject)
461 {
462     return spice_server_migrate_info(spice_server, hostname,
463                                      port, tls_port, subject);
464 }
465 
466 static int add_channel(const char *name, const char *value, void *opaque)
467 {
468     int security = 0;
469     int rc;
470 
471     if (strcmp(name, "tls-channel") == 0) {
472         security = SPICE_CHANNEL_SECURITY_SSL;
473     }
474     if (strcmp(name, "plaintext-channel") == 0) {
475         security = SPICE_CHANNEL_SECURITY_NONE;
476     }
477     if (security == 0) {
478         return 0;
479     }
480     if (strcmp(value, "default") == 0) {
481         rc = spice_server_set_channel_security(spice_server, NULL, security);
482     } else {
483         rc = spice_server_set_channel_security(spice_server, value, security);
484     }
485     if (rc != 0) {
486         fprintf(stderr, "spice: failed to set channel security for %s\n", value);
487         exit(1);
488     }
489     return 0;
490 }
491 
492 void qemu_spice_init(void)
493 {
494     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
495     const char *password, *str, *x509_dir, *addr,
496         *x509_key_password = NULL,
497         *x509_dh_file = NULL,
498         *tls_ciphers = NULL;
499     char *x509_key_file = NULL,
500         *x509_cert_file = NULL,
501         *x509_cacert_file = NULL;
502     int port, tls_port, len, addr_flags;
503     spice_image_compression_t compression;
504     spice_wan_compression_t wan_compr;
505 
506     me = pthread_self();
507 
508    if (!opts) {
509         return;
510     }
511     port = qemu_opt_get_number(opts, "port", 0);
512     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
513     if (!port && !tls_port) {
514         fprintf(stderr, "neither port nor tls-port specified for spice.");
515         exit(1);
516     }
517     if (port < 0 || port > 65535) {
518         fprintf(stderr, "spice port is out of range");
519         exit(1);
520     }
521     if (tls_port < 0 || tls_port > 65535) {
522         fprintf(stderr, "spice tls-port is out of range");
523         exit(1);
524     }
525     password = qemu_opt_get(opts, "password");
526 
527     if (tls_port) {
528         x509_dir = qemu_opt_get(opts, "x509-dir");
529         if (NULL == x509_dir) {
530             x509_dir = ".";
531         }
532         len = strlen(x509_dir) + 32;
533 
534         str = qemu_opt_get(opts, "x509-key-file");
535         if (str) {
536             x509_key_file = g_strdup(str);
537         } else {
538             x509_key_file = g_malloc(len);
539             snprintf(x509_key_file, len, "%s/%s", x509_dir, X509_SERVER_KEY_FILE);
540         }
541 
542         str = qemu_opt_get(opts, "x509-cert-file");
543         if (str) {
544             x509_cert_file = g_strdup(str);
545         } else {
546             x509_cert_file = g_malloc(len);
547             snprintf(x509_cert_file, len, "%s/%s", x509_dir, X509_SERVER_CERT_FILE);
548         }
549 
550         str = qemu_opt_get(opts, "x509-cacert-file");
551         if (str) {
552             x509_cacert_file = g_strdup(str);
553         } else {
554             x509_cacert_file = g_malloc(len);
555             snprintf(x509_cacert_file, len, "%s/%s", x509_dir, X509_CA_CERT_FILE);
556         }
557 
558         x509_key_password = qemu_opt_get(opts, "x509-key-password");
559         x509_dh_file = qemu_opt_get(opts, "x509-dh-file");
560         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
561     }
562 
563     addr = qemu_opt_get(opts, "addr");
564     addr_flags = 0;
565     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
566         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
567     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
568         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
569     }
570 
571     spice_server = spice_server_new();
572     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
573     if (port) {
574         spice_server_set_port(spice_server, port);
575     }
576     if (tls_port) {
577         spice_server_set_tls(spice_server, tls_port,
578                              x509_cacert_file,
579                              x509_cert_file,
580                              x509_key_file,
581                              x509_key_password,
582                              x509_dh_file,
583                              tls_ciphers);
584     }
585     if (password) {
586         spice_server_set_ticket(spice_server, password, 0, 0, 0);
587     }
588     if (qemu_opt_get_bool(opts, "sasl", 0)) {
589 #if SPICE_SERVER_VERSION >= 0x000900 /* 0.9.0 */
590         if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 ||
591             spice_server_set_sasl(spice_server, 1) == -1) {
592             fprintf(stderr, "spice: failed to enable sasl\n");
593             exit(1);
594         }
595 #else
596         fprintf(stderr, "spice: sasl is not available (spice >= 0.9 required)\n");
597         exit(1);
598 #endif
599     }
600     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
601         auth = "none";
602         spice_server_set_noauth(spice_server);
603     }
604 
605 #if SPICE_SERVER_VERSION >= 0x000801
606     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
607         spice_server_set_agent_copypaste(spice_server, false);
608     }
609 #endif
610 
611     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
612     str = qemu_opt_get(opts, "image-compression");
613     if (str) {
614         compression = parse_compression(str);
615     }
616     spice_server_set_image_compression(spice_server, compression);
617 
618     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
619     str = qemu_opt_get(opts, "jpeg-wan-compression");
620     if (str) {
621         wan_compr = parse_wan_compression(str);
622     }
623     spice_server_set_jpeg_compression(spice_server, wan_compr);
624 
625     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
626     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
627     if (str) {
628         wan_compr = parse_wan_compression(str);
629     }
630     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
631 
632     str = qemu_opt_get(opts, "streaming-video");
633     if (str) {
634         int streaming_video = parse_stream_video(str);
635         spice_server_set_streaming_video(spice_server, streaming_video);
636     }
637 
638     spice_server_set_agent_mouse
639         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
640     spice_server_set_playback_compression
641         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
642 
643     qemu_opt_foreach(opts, add_channel, NULL, 0);
644 
645     if (0 != spice_server_init(spice_server, &core_interface)) {
646         fprintf(stderr, "failed to initialize spice server");
647         exit(1);
648     };
649     using_spice = 1;
650 
651     migration_state.notify = migration_state_notifier;
652     add_migration_state_change_notifier(&migration_state);
653 
654     qemu_spice_input_init();
655     qemu_spice_audio_init();
656 
657     g_free(x509_key_file);
658     g_free(x509_cert_file);
659     g_free(x509_cacert_file);
660 }
661 
662 int qemu_spice_add_interface(SpiceBaseInstance *sin)
663 {
664     if (!spice_server) {
665         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
666             fprintf(stderr, "Oops: spice configured but not active\n");
667             exit(1);
668         }
669         /*
670          * Create a spice server instance.
671          * It does *not* listen on the network.
672          * It handles QXL local rendering only.
673          *
674          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
675          */
676         spice_server = spice_server_new();
677         spice_server_init(spice_server, &core_interface);
678     }
679     return spice_server_add_interface(spice_server, sin);
680 }
681 
682 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
683 {
684     time_t lifetime, now = time(NULL);
685     char *passwd;
686 
687     if (now < auth_expires) {
688         passwd = auth_passwd;
689         lifetime = (auth_expires - now);
690         if (lifetime > INT_MAX) {
691             lifetime = INT_MAX;
692         }
693     } else {
694         passwd = NULL;
695         lifetime = 1;
696     }
697     return spice_server_set_ticket(spice_server, passwd, lifetime,
698                                    fail_if_conn, disconnect_if_conn);
699 }
700 
701 int qemu_spice_set_passwd(const char *passwd,
702                           bool fail_if_conn, bool disconnect_if_conn)
703 {
704     free(auth_passwd);
705     auth_passwd = strdup(passwd);
706     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
707 }
708 
709 int qemu_spice_set_pw_expire(time_t expires)
710 {
711     auth_expires = expires;
712     return qemu_spice_set_ticket(false, false);
713 }
714 
715 static void spice_register_config(void)
716 {
717     qemu_add_opts(&qemu_spice_opts);
718 }
719 machine_init(spice_register_config);
720 
721 static void spice_initialize(void)
722 {
723     qemu_spice_init();
724 }
725 device_init(spice_initialize);
726