xref: /qemu/ui/spice-core.c (revision 039d4e3d)
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 "qemu/osdep.h"
19 #include <spice.h>
20 
21 #include <netdb.h>
22 #include "sysemu/sysemu.h"
23 
24 #include "ui/qemu-spice.h"
25 #include "qemu/error-report.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 "qapi/error.h"
32 #include "qapi/qapi-commands-ui.h"
33 #include "qapi/qapi-events-ui.h"
34 #include "qemu/notify.h"
35 #include "qemu/option.h"
36 #include "migration/misc.h"
37 #include "hw/hw.h"
38 #include "ui/spice-display.h"
39 
40 /* core bits */
41 
42 static SpiceServer *spice_server;
43 static Notifier migration_state;
44 static const char *auth = "spice";
45 static char *auth_passwd;
46 static time_t auth_expires = TIME_MAX;
47 static int spice_migration_completed;
48 static int spice_display_is_running;
49 static int spice_have_target_host;
50 int using_spice = 0;
51 
52 static QemuThread me;
53 
54 struct SpiceTimer {
55     QEMUTimer *timer;
56 };
57 
58 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
59 {
60     SpiceTimer *timer;
61 
62     timer = g_malloc0(sizeof(*timer));
63     timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
64     return timer;
65 }
66 
67 static void timer_start(SpiceTimer *timer, uint32_t ms)
68 {
69     timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
70 }
71 
72 static void timer_cancel(SpiceTimer *timer)
73 {
74     timer_del(timer->timer);
75 }
76 
77 static void timer_remove(SpiceTimer *timer)
78 {
79     timer_del(timer->timer);
80     timer_free(timer->timer);
81     g_free(timer);
82 }
83 
84 struct SpiceWatch {
85     int fd;
86     SpiceWatchFunc func;
87     void *opaque;
88 };
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     if (event_mask & SPICE_WATCH_EVENT_READ) {
108         on_read = watch_read;
109     }
110     if (event_mask & SPICE_WATCH_EVENT_WRITE) {
111         on_write = watch_write;
112     }
113     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
114 }
115 
116 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
117 {
118     SpiceWatch *watch;
119 
120     watch = g_malloc0(sizeof(*watch));
121     watch->fd     = fd;
122     watch->func   = func;
123     watch->opaque = opaque;
124 
125     watch_update_mask(watch, event_mask);
126     return watch;
127 }
128 
129 static void watch_remove(SpiceWatch *watch)
130 {
131     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
132     g_free(watch);
133 }
134 
135 typedef struct ChannelList ChannelList;
136 struct ChannelList {
137     SpiceChannelEventInfo *info;
138     QTAILQ_ENTRY(ChannelList) link;
139 };
140 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
141 
142 static void channel_list_add(SpiceChannelEventInfo *info)
143 {
144     ChannelList *item;
145 
146     item = g_malloc0(sizeof(*item));
147     item->info = info;
148     QTAILQ_INSERT_TAIL(&channel_list, item, link);
149 }
150 
151 static void channel_list_del(SpiceChannelEventInfo *info)
152 {
153     ChannelList *item;
154 
155     QTAILQ_FOREACH(item, &channel_list, link) {
156         if (item->info != info) {
157             continue;
158         }
159         QTAILQ_REMOVE(&channel_list, item, link);
160         g_free(item);
161         return;
162     }
163 }
164 
165 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
166 {
167     char host[NI_MAXHOST], port[NI_MAXSERV];
168 
169     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
170                 NI_NUMERICHOST | NI_NUMERICSERV);
171 
172     info->host = g_strdup(host);
173     info->port = g_strdup(port);
174     info->family = inet_netfamily(addr->sa_family);
175 }
176 
177 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
178 {
179     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
180 
181     sc->connection_id = info->connection_id;
182     sc->channel_type = info->type;
183     sc->channel_id = info->id;
184     sc->tls = !!tls;
185 }
186 
187 static void channel_event(int event, SpiceChannelEventInfo *info)
188 {
189     SpiceServerInfo *server = g_malloc0(sizeof(*server));
190     SpiceChannel *client = g_malloc0(sizeof(*client));
191 
192     /*
193      * Spice server might have called us from spice worker thread
194      * context (happens on display channel disconnects).  Spice should
195      * not do that.  It isn't that easy to fix it in spice and even
196      * when it is fixed we still should cover the already released
197      * spice versions.  So detect that we've been called from another
198      * thread and grab the iothread lock if so before calling qemu
199      * functions.
200      */
201     bool need_lock = !qemu_thread_is_self(&me);
202     if (need_lock) {
203         qemu_mutex_lock_iothread();
204     }
205 
206     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
207         add_addr_info(qapi_SpiceChannel_base(client),
208                       (struct sockaddr *)&info->paddr_ext,
209                       info->plen_ext);
210         add_addr_info(qapi_SpiceServerInfo_base(server),
211                       (struct sockaddr *)&info->laddr_ext,
212                       info->llen_ext);
213     } else {
214         error_report("spice: %s, extended address is expected",
215                      __func__);
216     }
217 
218     switch (event) {
219     case SPICE_CHANNEL_EVENT_CONNECTED:
220         qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server),
221                                         qapi_SpiceChannel_base(client));
222         break;
223     case SPICE_CHANNEL_EVENT_INITIALIZED:
224         if (auth) {
225             server->has_auth = true;
226             server->auth = g_strdup(auth);
227         }
228         add_channel_info(client, info);
229         channel_list_add(info);
230         qapi_event_send_spice_initialized(server, client);
231         break;
232     case SPICE_CHANNEL_EVENT_DISCONNECTED:
233         channel_list_del(info);
234         qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server),
235                                            qapi_SpiceChannel_base(client));
236         break;
237     default:
238         break;
239     }
240 
241     if (need_lock) {
242         qemu_mutex_unlock_iothread();
243     }
244 
245     qapi_free_SpiceServerInfo(server);
246     qapi_free_SpiceChannel(client);
247 }
248 
249 static SpiceCoreInterface core_interface = {
250     .base.type          = SPICE_INTERFACE_CORE,
251     .base.description   = "qemu core services",
252     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
253     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
254 
255     .timer_add          = timer_add,
256     .timer_start        = timer_start,
257     .timer_cancel       = timer_cancel,
258     .timer_remove       = timer_remove,
259 
260     .watch_add          = watch_add,
261     .watch_update_mask  = watch_update_mask,
262     .watch_remove       = watch_remove,
263 
264     .channel_event      = channel_event,
265 };
266 
267 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
268 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
269 
270 static const SpiceMigrateInterface migrate_interface = {
271     .base.type = SPICE_INTERFACE_MIGRATION,
272     .base.description = "migration",
273     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
274     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
275     .migrate_connect_complete = migrate_connect_complete_cb,
276     .migrate_end_complete = migrate_end_complete_cb,
277 };
278 
279 static SpiceMigrateInstance spice_migrate;
280 
281 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
282 {
283     /* nothing, but libspice-server expects this cb being present. */
284 }
285 
286 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
287 {
288     qapi_event_send_spice_migrate_completed();
289     spice_migration_completed = true;
290 }
291 
292 /* config string parsing */
293 
294 static int name2enum(const char *string, const char *table[], int entries)
295 {
296     int i;
297 
298     if (string) {
299         for (i = 0; i < entries; i++) {
300             if (!table[i]) {
301                 continue;
302             }
303             if (strcmp(string, table[i]) != 0) {
304                 continue;
305             }
306             return i;
307         }
308     }
309     return -1;
310 }
311 
312 static int parse_name(const char *string, const char *optname,
313                       const char *table[], int entries)
314 {
315     int value = name2enum(string, table, entries);
316 
317     if (value != -1) {
318         return value;
319     }
320     error_report("spice: invalid %s: %s", optname, string);
321     exit(1);
322 }
323 
324 static const char *stream_video_names[] = {
325     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
326     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
327     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
328 };
329 #define parse_stream_video(_name) \
330     parse_name(_name, "stream video control", \
331                stream_video_names, ARRAY_SIZE(stream_video_names))
332 
333 static const char *compression_names[] = {
334     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
335     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
336     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
337     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
338     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
339     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
340 };
341 #define parse_compression(_name)                                        \
342     parse_name(_name, "image compression",                              \
343                compression_names, ARRAY_SIZE(compression_names))
344 
345 static const char *wan_compression_names[] = {
346     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
347     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
348     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
349 };
350 #define parse_wan_compression(_name)                                    \
351     parse_name(_name, "wan compression",                                \
352                wan_compression_names, ARRAY_SIZE(wan_compression_names))
353 
354 /* functions for the rest of qemu */
355 
356 static SpiceChannelList *qmp_query_spice_channels(void)
357 {
358     SpiceChannelList *cur_item = NULL, *head = NULL;
359     ChannelList *item;
360 
361     QTAILQ_FOREACH(item, &channel_list, link) {
362         SpiceChannelList *chan;
363         char host[NI_MAXHOST], port[NI_MAXSERV];
364         struct sockaddr *paddr;
365         socklen_t plen;
366 
367         assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT);
368 
369         chan = g_malloc0(sizeof(*chan));
370         chan->value = g_malloc0(sizeof(*chan->value));
371 
372         paddr = (struct sockaddr *)&item->info->paddr_ext;
373         plen = item->info->plen_ext;
374         getnameinfo(paddr, plen,
375                     host, sizeof(host), port, sizeof(port),
376                     NI_NUMERICHOST | NI_NUMERICSERV);
377         chan->value->host = g_strdup(host);
378         chan->value->port = g_strdup(port);
379         chan->value->family = inet_netfamily(paddr->sa_family);
380 
381         chan->value->connection_id = item->info->connection_id;
382         chan->value->channel_type = item->info->type;
383         chan->value->channel_id = item->info->id;
384         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
385 
386        /* XXX: waiting for the qapi to support GSList */
387         if (!cur_item) {
388             head = cur_item = chan;
389         } else {
390             cur_item->next = chan;
391             cur_item = chan;
392         }
393     }
394 
395     return head;
396 }
397 
398 static QemuOptsList qemu_spice_opts = {
399     .name = "spice",
400     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
401     .desc = {
402         {
403             .name = "port",
404             .type = QEMU_OPT_NUMBER,
405         },{
406             .name = "tls-port",
407             .type = QEMU_OPT_NUMBER,
408         },{
409             .name = "addr",
410             .type = QEMU_OPT_STRING,
411         },{
412             .name = "ipv4",
413             .type = QEMU_OPT_BOOL,
414         },{
415             .name = "ipv6",
416             .type = QEMU_OPT_BOOL,
417 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
418         },{
419             .name = "unix",
420             .type = QEMU_OPT_BOOL,
421 #endif
422         },{
423             .name = "password",
424             .type = QEMU_OPT_STRING,
425         },{
426             .name = "disable-ticketing",
427             .type = QEMU_OPT_BOOL,
428         },{
429             .name = "disable-copy-paste",
430             .type = QEMU_OPT_BOOL,
431         },{
432             .name = "disable-agent-file-xfer",
433             .type = QEMU_OPT_BOOL,
434         },{
435             .name = "sasl",
436             .type = QEMU_OPT_BOOL,
437         },{
438             .name = "x509-dir",
439             .type = QEMU_OPT_STRING,
440         },{
441             .name = "x509-key-file",
442             .type = QEMU_OPT_STRING,
443         },{
444             .name = "x509-key-password",
445             .type = QEMU_OPT_STRING,
446         },{
447             .name = "x509-cert-file",
448             .type = QEMU_OPT_STRING,
449         },{
450             .name = "x509-cacert-file",
451             .type = QEMU_OPT_STRING,
452         },{
453             .name = "x509-dh-key-file",
454             .type = QEMU_OPT_STRING,
455         },{
456             .name = "tls-ciphers",
457             .type = QEMU_OPT_STRING,
458         },{
459             .name = "tls-channel",
460             .type = QEMU_OPT_STRING,
461         },{
462             .name = "plaintext-channel",
463             .type = QEMU_OPT_STRING,
464         },{
465             .name = "image-compression",
466             .type = QEMU_OPT_STRING,
467         },{
468             .name = "jpeg-wan-compression",
469             .type = QEMU_OPT_STRING,
470         },{
471             .name = "zlib-glz-wan-compression",
472             .type = QEMU_OPT_STRING,
473         },{
474             .name = "streaming-video",
475             .type = QEMU_OPT_STRING,
476         },{
477             .name = "agent-mouse",
478             .type = QEMU_OPT_BOOL,
479         },{
480             .name = "playback-compression",
481             .type = QEMU_OPT_BOOL,
482         },{
483             .name = "seamless-migration",
484             .type = QEMU_OPT_BOOL,
485         },{
486             .name = "display",
487             .type = QEMU_OPT_STRING,
488         },{
489             .name = "head",
490             .type = QEMU_OPT_NUMBER,
491 #ifdef HAVE_SPICE_GL
492         },{
493             .name = "gl",
494             .type = QEMU_OPT_BOOL,
495         },{
496             .name = "rendernode",
497             .type = QEMU_OPT_STRING,
498 #endif
499         },
500         { /* end of list */ }
501     },
502 };
503 
504 SpiceInfo *qmp_query_spice(Error **errp)
505 {
506     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
507     int port, tls_port;
508     const char *addr;
509     SpiceInfo *info;
510     unsigned int major;
511     unsigned int minor;
512     unsigned int micro;
513 
514     info = g_malloc0(sizeof(*info));
515 
516     if (!spice_server || !opts) {
517         info->enabled = false;
518         return info;
519     }
520 
521     info->enabled = true;
522     info->migrated = spice_migration_completed;
523 
524     addr = qemu_opt_get(opts, "addr");
525     port = qemu_opt_get_number(opts, "port", 0);
526     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
527 
528     info->has_auth = true;
529     info->auth = g_strdup(auth);
530 
531     info->has_host = true;
532     info->host = g_strdup(addr ? addr : "*");
533 
534     info->has_compiled_version = true;
535     major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
536     minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
537     micro = SPICE_SERVER_VERSION & 0xff;
538     info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
539 
540     if (port) {
541         info->has_port = true;
542         info->port = port;
543     }
544     if (tls_port) {
545         info->has_tls_port = true;
546         info->tls_port = tls_port;
547     }
548 
549     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
550                        SPICE_QUERY_MOUSE_MODE_SERVER :
551                        SPICE_QUERY_MOUSE_MODE_CLIENT;
552 
553     /* for compatibility with the original command */
554     info->has_channels = true;
555     info->channels = qmp_query_spice_channels();
556 
557     return info;
558 }
559 
560 static void migration_state_notifier(Notifier *notifier, void *data)
561 {
562     MigrationState *s = data;
563 
564     if (!spice_have_target_host) {
565         return;
566     }
567 
568     if (migration_in_setup(s)) {
569         spice_server_migrate_start(spice_server);
570     } else if (migration_has_finished(s) ||
571                migration_in_postcopy_after_devices(s)) {
572         spice_server_migrate_end(spice_server, true);
573         spice_have_target_host = false;
574     } else if (migration_has_failed(s)) {
575         spice_server_migrate_end(spice_server, false);
576         spice_have_target_host = false;
577     }
578 }
579 
580 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
581                             const char *subject)
582 {
583     int ret;
584 
585     ret = spice_server_migrate_connect(spice_server, hostname,
586                                        port, tls_port, subject);
587     spice_have_target_host = true;
588     return ret;
589 }
590 
591 static int add_channel(void *opaque, const char *name, const char *value,
592                        Error **errp)
593 {
594     int security = 0;
595     int rc;
596 
597     if (strcmp(name, "tls-channel") == 0) {
598         int *tls_port = opaque;
599         if (!*tls_port) {
600             error_setg(errp, "spice: tried to setup tls-channel"
601                        " without specifying a TLS port");
602             return -1;
603         }
604         security = SPICE_CHANNEL_SECURITY_SSL;
605     }
606     if (strcmp(name, "plaintext-channel") == 0) {
607         security = SPICE_CHANNEL_SECURITY_NONE;
608     }
609     if (security == 0) {
610         return 0;
611     }
612     if (strcmp(value, "default") == 0) {
613         rc = spice_server_set_channel_security(spice_server, NULL, security);
614     } else {
615         rc = spice_server_set_channel_security(spice_server, value, security);
616     }
617     if (rc != 0) {
618         error_setg(errp, "spice: failed to set channel security for %s",
619                    value);
620         return -1;
621     }
622     return 0;
623 }
624 
625 static void vm_change_state_handler(void *opaque, int running,
626                                     RunState state)
627 {
628     if (running) {
629         qemu_spice_display_start();
630     } else {
631         qemu_spice_display_stop();
632     }
633 }
634 
635 void qemu_spice_init(void)
636 {
637     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
638     const char *password, *str, *x509_dir, *addr,
639         *x509_key_password = NULL,
640         *x509_dh_file = NULL,
641         *tls_ciphers = NULL;
642     char *x509_key_file = NULL,
643         *x509_cert_file = NULL,
644         *x509_cacert_file = NULL;
645     int port, tls_port, addr_flags;
646     spice_image_compression_t compression;
647     spice_wan_compression_t wan_compr;
648     bool seamless_migration;
649 
650     qemu_thread_get_self(&me);
651 
652     if (!opts) {
653         return;
654     }
655     port = qemu_opt_get_number(opts, "port", 0);
656     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
657     if (port < 0 || port > 65535) {
658         error_report("spice port is out of range");
659         exit(1);
660     }
661     if (tls_port < 0 || tls_port > 65535) {
662         error_report("spice tls-port is out of range");
663         exit(1);
664     }
665     password = qemu_opt_get(opts, "password");
666 
667     if (tls_port) {
668         x509_dir = qemu_opt_get(opts, "x509-dir");
669         if (!x509_dir) {
670             x509_dir = ".";
671         }
672 
673         str = qemu_opt_get(opts, "x509-key-file");
674         if (str) {
675             x509_key_file = g_strdup(str);
676         } else {
677             x509_key_file = g_strdup_printf("%s/%s", x509_dir,
678                                             X509_SERVER_KEY_FILE);
679         }
680 
681         str = qemu_opt_get(opts, "x509-cert-file");
682         if (str) {
683             x509_cert_file = g_strdup(str);
684         } else {
685             x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
686                                              X509_SERVER_CERT_FILE);
687         }
688 
689         str = qemu_opt_get(opts, "x509-cacert-file");
690         if (str) {
691             x509_cacert_file = g_strdup(str);
692         } else {
693             x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
694                                                X509_CA_CERT_FILE);
695         }
696 
697         x509_key_password = qemu_opt_get(opts, "x509-key-password");
698         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
699         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
700     }
701 
702     addr = qemu_opt_get(opts, "addr");
703     addr_flags = 0;
704     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
705         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
706     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
707         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
708 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
709     } else if (qemu_opt_get_bool(opts, "unix", 0)) {
710         addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY;
711 #endif
712     }
713 
714     spice_server = spice_server_new();
715     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
716     if (port) {
717         spice_server_set_port(spice_server, port);
718     }
719     if (tls_port) {
720         spice_server_set_tls(spice_server, tls_port,
721                              x509_cacert_file,
722                              x509_cert_file,
723                              x509_key_file,
724                              x509_key_password,
725                              x509_dh_file,
726                              tls_ciphers);
727     }
728     if (password) {
729         qemu_spice_set_passwd(password, false, false);
730     }
731     if (qemu_opt_get_bool(opts, "sasl", 0)) {
732         if (spice_server_set_sasl(spice_server, 1) == -1) {
733             error_report("spice: failed to enable sasl");
734             exit(1);
735         }
736         auth = "sasl";
737     }
738     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
739         auth = "none";
740         spice_server_set_noauth(spice_server);
741     }
742 
743     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
744         spice_server_set_agent_copypaste(spice_server, false);
745     }
746 
747     if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
748 #if SPICE_SERVER_VERSION >= 0x000c04
749         spice_server_set_agent_file_xfer(spice_server, false);
750 #else
751         error_report("this qemu build does not support the "
752                      "\"disable-agent-file-xfer\" option");
753         exit(1);
754 #endif
755     }
756 
757     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
758     str = qemu_opt_get(opts, "image-compression");
759     if (str) {
760         compression = parse_compression(str);
761     }
762     spice_server_set_image_compression(spice_server, compression);
763 
764     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
765     str = qemu_opt_get(opts, "jpeg-wan-compression");
766     if (str) {
767         wan_compr = parse_wan_compression(str);
768     }
769     spice_server_set_jpeg_compression(spice_server, wan_compr);
770 
771     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
772     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
773     if (str) {
774         wan_compr = parse_wan_compression(str);
775     }
776     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
777 
778     str = qemu_opt_get(opts, "streaming-video");
779     if (str) {
780         int streaming_video = parse_stream_video(str);
781         spice_server_set_streaming_video(spice_server, streaming_video);
782     } else {
783         spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
784     }
785 
786     spice_server_set_agent_mouse
787         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
788     spice_server_set_playback_compression
789         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
790 
791     qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal);
792 
793     spice_server_set_name(spice_server, qemu_name);
794     spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid);
795 
796     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
797     spice_server_set_seamless_migration(spice_server, seamless_migration);
798     spice_server_set_sasl_appname(spice_server, "qemu");
799     if (spice_server_init(spice_server, &core_interface) != 0) {
800         error_report("failed to initialize spice server");
801         exit(1);
802     };
803     using_spice = 1;
804 
805     migration_state.notify = migration_state_notifier;
806     add_migration_state_change_notifier(&migration_state);
807     spice_migrate.base.sif = &migrate_interface.base;
808     qemu_spice_add_interface(&spice_migrate.base);
809 
810     qemu_spice_input_init();
811     qemu_spice_audio_init();
812 
813     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
814     qemu_spice_display_stop();
815 
816     g_free(x509_key_file);
817     g_free(x509_cert_file);
818     g_free(x509_cacert_file);
819 
820 #if SPICE_SERVER_VERSION >= 0x000c02
821     qemu_spice_register_ports();
822 #endif
823 
824 #ifdef HAVE_SPICE_GL
825     if (qemu_opt_get_bool(opts, "gl", 0)) {
826         if ((port != 0) || (tls_port != 0)) {
827             error_report("SPICE GL support is local-only for now and "
828                          "incompatible with -spice port/tls-port");
829             exit(1);
830         }
831         if (egl_rendernode_init(qemu_opt_get(opts, "rendernode"),
832                                 DISPLAYGL_MODE_ON) != 0) {
833             error_report("Failed to initialize EGL render node for SPICE GL");
834             exit(1);
835         }
836         display_opengl = 1;
837         spice_opengl = 1;
838     }
839 #endif
840 }
841 
842 int qemu_spice_add_interface(SpiceBaseInstance *sin)
843 {
844     if (!spice_server) {
845         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
846             error_report("Oops: spice configured but not active");
847             exit(1);
848         }
849         /*
850          * Create a spice server instance.
851          * It does *not* listen on the network.
852          * It handles QXL local rendering only.
853          *
854          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
855          */
856         spice_server = spice_server_new();
857         spice_server_set_sasl_appname(spice_server, "qemu");
858         spice_server_init(spice_server, &core_interface);
859         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
860     }
861 
862     return spice_server_add_interface(spice_server, sin);
863 }
864 
865 static GSList *spice_consoles;
866 
867 bool qemu_spice_have_display_interface(QemuConsole *con)
868 {
869     if (g_slist_find(spice_consoles, con)) {
870         return true;
871     }
872     return false;
873 }
874 
875 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
876 {
877     if (g_slist_find(spice_consoles, con)) {
878         return -1;
879     }
880     qxlin->id = qemu_console_get_index(con);
881     spice_consoles = g_slist_append(spice_consoles, con);
882     return qemu_spice_add_interface(&qxlin->base);
883 }
884 
885 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
886 {
887     time_t lifetime, now = time(NULL);
888     char *passwd;
889 
890     if (now < auth_expires) {
891         passwd = auth_passwd;
892         lifetime = (auth_expires - now);
893         if (lifetime > INT_MAX) {
894             lifetime = INT_MAX;
895         }
896     } else {
897         passwd = NULL;
898         lifetime = 1;
899     }
900     return spice_server_set_ticket(spice_server, passwd, lifetime,
901                                    fail_if_conn, disconnect_if_conn);
902 }
903 
904 int qemu_spice_set_passwd(const char *passwd,
905                           bool fail_if_conn, bool disconnect_if_conn)
906 {
907     if (strcmp(auth, "spice") != 0) {
908         return -1;
909     }
910 
911     g_free(auth_passwd);
912     auth_passwd = g_strdup(passwd);
913     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
914 }
915 
916 int qemu_spice_set_pw_expire(time_t expires)
917 {
918     auth_expires = expires;
919     return qemu_spice_set_ticket(false, false);
920 }
921 
922 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
923 {
924     if (tls) {
925         return spice_server_add_ssl_client(spice_server, csock, skipauth);
926     } else {
927         return spice_server_add_client(spice_server, csock, skipauth);
928     }
929 }
930 
931 void qemu_spice_display_start(void)
932 {
933     spice_display_is_running = true;
934     spice_server_vm_start(spice_server);
935 }
936 
937 void qemu_spice_display_stop(void)
938 {
939     spice_server_vm_stop(spice_server);
940     spice_display_is_running = false;
941 }
942 
943 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
944 {
945     return spice_display_is_running;
946 }
947 
948 static void spice_register_config(void)
949 {
950     qemu_add_opts(&qemu_spice_opts);
951 }
952 opts_init(spice_register_config);
953