xref: /openbmc/qemu/ui/spice-core.c (revision ba632924)
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 "sysemu/sysemu.h"
22 
23 #include "ui/qemu-spice.h"
24 #include "qemu/error-report.h"
25 #include "qemu/thread.h"
26 #include "qemu/timer.h"
27 #include "qemu/queue.h"
28 #include "qemu-x509.h"
29 #include "qemu/sockets.h"
30 #include "qapi/error.h"
31 #include "qapi/qapi-commands-ui.h"
32 #include "qapi/qapi-events-ui.h"
33 #include "qemu/notify.h"
34 #include "qemu/option.h"
35 #include "migration/misc.h"
36 #include "hw/hw.h"
37 #include "ui/spice-display.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 static int spice_migration_completed;
47 static int spice_display_is_running;
48 static int spice_have_target_host;
49 int using_spice = 0;
50 
51 static QemuThread me;
52 
53 struct SpiceTimer {
54     QEMUTimer *timer;
55 };
56 
57 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
58 {
59     SpiceTimer *timer;
60 
61     timer = g_malloc0(sizeof(*timer));
62     timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
63     return timer;
64 }
65 
66 static void timer_start(SpiceTimer *timer, uint32_t ms)
67 {
68     timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
69 }
70 
71 static void timer_cancel(SpiceTimer *timer)
72 {
73     timer_del(timer->timer);
74 }
75 
76 static void timer_remove(SpiceTimer *timer)
77 {
78     timer_del(timer->timer);
79     timer_free(timer->timer);
80     g_free(timer);
81 }
82 
83 struct SpiceWatch {
84     int fd;
85     SpiceWatchFunc func;
86     void *opaque;
87 };
88 
89 static void watch_read(void *opaque)
90 {
91     SpiceWatch *watch = opaque;
92     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
93 }
94 
95 static void watch_write(void *opaque)
96 {
97     SpiceWatch *watch = opaque;
98     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
99 }
100 
101 static void watch_update_mask(SpiceWatch *watch, int event_mask)
102 {
103     IOHandler *on_read = NULL;
104     IOHandler *on_write = NULL;
105 
106     if (event_mask & SPICE_WATCH_EVENT_READ) {
107         on_read = watch_read;
108     }
109     if (event_mask & SPICE_WATCH_EVENT_WRITE) {
110         on_write = watch_write;
111     }
112     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
113 }
114 
115 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
116 {
117     SpiceWatch *watch;
118 
119     watch = g_malloc0(sizeof(*watch));
120     watch->fd     = fd;
121     watch->func   = func;
122     watch->opaque = opaque;
123 
124     watch_update_mask(watch, event_mask);
125     return watch;
126 }
127 
128 static void watch_remove(SpiceWatch *watch)
129 {
130     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
131     g_free(watch);
132 }
133 
134 typedef struct ChannelList ChannelList;
135 struct ChannelList {
136     SpiceChannelEventInfo *info;
137     QTAILQ_ENTRY(ChannelList) link;
138 };
139 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
140 
141 static void channel_list_add(SpiceChannelEventInfo *info)
142 {
143     ChannelList *item;
144 
145     item = g_malloc0(sizeof(*item));
146     item->info = info;
147     QTAILQ_INSERT_TAIL(&channel_list, item, link);
148 }
149 
150 static void channel_list_del(SpiceChannelEventInfo *info)
151 {
152     ChannelList *item;
153 
154     QTAILQ_FOREACH(item, &channel_list, link) {
155         if (item->info != info) {
156             continue;
157         }
158         QTAILQ_REMOVE(&channel_list, item, link);
159         g_free(item);
160         return;
161     }
162 }
163 
164 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
165 {
166     char host[NI_MAXHOST], port[NI_MAXSERV];
167 
168     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
169                 NI_NUMERICHOST | NI_NUMERICSERV);
170 
171     info->host = g_strdup(host);
172     info->port = g_strdup(port);
173     info->family = inet_netfamily(addr->sa_family);
174 }
175 
176 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
177 {
178     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
179 
180     sc->connection_id = info->connection_id;
181     sc->channel_type = info->type;
182     sc->channel_id = info->id;
183     sc->tls = !!tls;
184 }
185 
186 static void channel_event(int event, SpiceChannelEventInfo *info)
187 {
188     SpiceServerInfo *server = g_malloc0(sizeof(*server));
189     SpiceChannel *client = g_malloc0(sizeof(*client));
190 
191     /*
192      * Spice server might have called us from spice worker thread
193      * context (happens on display channel disconnects).  Spice should
194      * not do that.  It isn't that easy to fix it in spice and even
195      * when it is fixed we still should cover the already released
196      * spice versions.  So detect that we've been called from another
197      * thread and grab the iothread lock if so before calling qemu
198      * functions.
199      */
200     bool need_lock = !qemu_thread_is_self(&me);
201     if (need_lock) {
202         qemu_mutex_lock_iothread();
203     }
204 
205     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
206         add_addr_info(qapi_SpiceChannel_base(client),
207                       (struct sockaddr *)&info->paddr_ext,
208                       info->plen_ext);
209         add_addr_info(qapi_SpiceServerInfo_base(server),
210                       (struct sockaddr *)&info->laddr_ext,
211                       info->llen_ext);
212     } else {
213         error_report("spice: %s, extended address is expected",
214                      __func__);
215     }
216 
217     switch (event) {
218     case SPICE_CHANNEL_EVENT_CONNECTED:
219         qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server),
220                                         qapi_SpiceChannel_base(client));
221         break;
222     case SPICE_CHANNEL_EVENT_INITIALIZED:
223         if (auth) {
224             server->has_auth = true;
225             server->auth = g_strdup(auth);
226         }
227         add_channel_info(client, info);
228         channel_list_add(info);
229         qapi_event_send_spice_initialized(server, client);
230         break;
231     case SPICE_CHANNEL_EVENT_DISCONNECTED:
232         channel_list_del(info);
233         qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server),
234                                            qapi_SpiceChannel_base(client));
235         break;
236     default:
237         break;
238     }
239 
240     if (need_lock) {
241         qemu_mutex_unlock_iothread();
242     }
243 
244     qapi_free_SpiceServerInfo(server);
245     qapi_free_SpiceChannel(client);
246 }
247 
248 static SpiceCoreInterface core_interface = {
249     .base.type          = SPICE_INTERFACE_CORE,
250     .base.description   = "qemu core services",
251     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
252     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
253 
254     .timer_add          = timer_add,
255     .timer_start        = timer_start,
256     .timer_cancel       = timer_cancel,
257     .timer_remove       = timer_remove,
258 
259     .watch_add          = watch_add,
260     .watch_update_mask  = watch_update_mask,
261     .watch_remove       = watch_remove,
262 
263     .channel_event      = channel_event,
264 };
265 
266 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
267 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
268 
269 static const SpiceMigrateInterface migrate_interface = {
270     .base.type = SPICE_INTERFACE_MIGRATION,
271     .base.description = "migration",
272     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
273     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
274     .migrate_connect_complete = migrate_connect_complete_cb,
275     .migrate_end_complete = migrate_end_complete_cb,
276 };
277 
278 static SpiceMigrateInstance spice_migrate;
279 
280 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
281 {
282     /* nothing, but libspice-server expects this cb being present. */
283 }
284 
285 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
286 {
287     qapi_event_send_spice_migrate_completed();
288     spice_migration_completed = true;
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     error_report("spice: invalid %s: %s", 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     parse_name(_name, "stream video control", \
330                stream_video_names, ARRAY_SIZE(stream_video_names))
331 
332 static const char *compression_names[] = {
333     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
334     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
335     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
336     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
337     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
338     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
339 };
340 #define parse_compression(_name)                                        \
341     parse_name(_name, "image compression",                              \
342                compression_names, ARRAY_SIZE(compression_names))
343 
344 static const char *wan_compression_names[] = {
345     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
346     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
347     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
348 };
349 #define parse_wan_compression(_name)                                    \
350     parse_name(_name, "wan compression",                                \
351                wan_compression_names, ARRAY_SIZE(wan_compression_names))
352 
353 /* functions for the rest of qemu */
354 
355 static SpiceChannelList *qmp_query_spice_channels(void)
356 {
357     SpiceChannelList *cur_item = NULL, *head = NULL;
358     ChannelList *item;
359 
360     QTAILQ_FOREACH(item, &channel_list, link) {
361         SpiceChannelList *chan;
362         char host[NI_MAXHOST], port[NI_MAXSERV];
363         struct sockaddr *paddr;
364         socklen_t plen;
365 
366         assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT);
367 
368         chan = g_malloc0(sizeof(*chan));
369         chan->value = g_malloc0(sizeof(*chan->value));
370 
371         paddr = (struct sockaddr *)&item->info->paddr_ext;
372         plen = item->info->plen_ext;
373         getnameinfo(paddr, plen,
374                     host, sizeof(host), port, sizeof(port),
375                     NI_NUMERICHOST | NI_NUMERICSERV);
376         chan->value->host = g_strdup(host);
377         chan->value->port = g_strdup(port);
378         chan->value->family = inet_netfamily(paddr->sa_family);
379 
380         chan->value->connection_id = item->info->connection_id;
381         chan->value->channel_type = item->info->type;
382         chan->value->channel_id = item->info->id;
383         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
384 
385        /* XXX: waiting for the qapi to support GSList */
386         if (!cur_item) {
387             head = cur_item = chan;
388         } else {
389             cur_item->next = chan;
390             cur_item = chan;
391         }
392     }
393 
394     return head;
395 }
396 
397 static QemuOptsList qemu_spice_opts = {
398     .name = "spice",
399     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
400     .desc = {
401         {
402             .name = "port",
403             .type = QEMU_OPT_NUMBER,
404         },{
405             .name = "tls-port",
406             .type = QEMU_OPT_NUMBER,
407         },{
408             .name = "addr",
409             .type = QEMU_OPT_STRING,
410         },{
411             .name = "ipv4",
412             .type = QEMU_OPT_BOOL,
413         },{
414             .name = "ipv6",
415             .type = QEMU_OPT_BOOL,
416 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
417         },{
418             .name = "unix",
419             .type = QEMU_OPT_BOOL,
420 #endif
421         },{
422             .name = "password",
423             .type = QEMU_OPT_STRING,
424         },{
425             .name = "disable-ticketing",
426             .type = QEMU_OPT_BOOL,
427         },{
428             .name = "disable-copy-paste",
429             .type = QEMU_OPT_BOOL,
430         },{
431             .name = "disable-agent-file-xfer",
432             .type = QEMU_OPT_BOOL,
433         },{
434             .name = "sasl",
435             .type = QEMU_OPT_BOOL,
436         },{
437             .name = "x509-dir",
438             .type = QEMU_OPT_STRING,
439         },{
440             .name = "x509-key-file",
441             .type = QEMU_OPT_STRING,
442         },{
443             .name = "x509-key-password",
444             .type = QEMU_OPT_STRING,
445         },{
446             .name = "x509-cert-file",
447             .type = QEMU_OPT_STRING,
448         },{
449             .name = "x509-cacert-file",
450             .type = QEMU_OPT_STRING,
451         },{
452             .name = "x509-dh-key-file",
453             .type = QEMU_OPT_STRING,
454         },{
455             .name = "tls-ciphers",
456             .type = QEMU_OPT_STRING,
457         },{
458             .name = "tls-channel",
459             .type = QEMU_OPT_STRING,
460         },{
461             .name = "plaintext-channel",
462             .type = QEMU_OPT_STRING,
463         },{
464             .name = "image-compression",
465             .type = QEMU_OPT_STRING,
466         },{
467             .name = "jpeg-wan-compression",
468             .type = QEMU_OPT_STRING,
469         },{
470             .name = "zlib-glz-wan-compression",
471             .type = QEMU_OPT_STRING,
472         },{
473             .name = "streaming-video",
474             .type = QEMU_OPT_STRING,
475         },{
476             .name = "agent-mouse",
477             .type = QEMU_OPT_BOOL,
478         },{
479             .name = "playback-compression",
480             .type = QEMU_OPT_BOOL,
481         },{
482             .name = "seamless-migration",
483             .type = QEMU_OPT_BOOL,
484         },{
485             .name = "display",
486             .type = QEMU_OPT_STRING,
487         },{
488             .name = "head",
489             .type = QEMU_OPT_NUMBER,
490 #ifdef HAVE_SPICE_GL
491         },{
492             .name = "gl",
493             .type = QEMU_OPT_BOOL,
494         },{
495             .name = "rendernode",
496             .type = QEMU_OPT_STRING,
497 #endif
498         },
499         { /* end of list */ }
500     },
501 };
502 
503 SpiceInfo *qmp_query_spice(Error **errp)
504 {
505     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
506     int port, tls_port;
507     const char *addr;
508     SpiceInfo *info;
509     unsigned int major;
510     unsigned int minor;
511     unsigned int micro;
512 
513     info = g_malloc0(sizeof(*info));
514 
515     if (!spice_server || !opts) {
516         info->enabled = false;
517         return info;
518     }
519 
520     info->enabled = true;
521     info->migrated = spice_migration_completed;
522 
523     addr = qemu_opt_get(opts, "addr");
524     port = qemu_opt_get_number(opts, "port", 0);
525     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
526 
527     info->has_auth = true;
528     info->auth = g_strdup(auth);
529 
530     info->has_host = true;
531     info->host = g_strdup(addr ? addr : "*");
532 
533     info->has_compiled_version = true;
534     major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
535     minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
536     micro = SPICE_SERVER_VERSION & 0xff;
537     info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
538 
539     if (port) {
540         info->has_port = true;
541         info->port = port;
542     }
543     if (tls_port) {
544         info->has_tls_port = true;
545         info->tls_port = tls_port;
546     }
547 
548     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
549                        SPICE_QUERY_MOUSE_MODE_SERVER :
550                        SPICE_QUERY_MOUSE_MODE_CLIENT;
551 
552     /* for compatibility with the original command */
553     info->has_channels = true;
554     info->channels = qmp_query_spice_channels();
555 
556     return info;
557 }
558 
559 static void migration_state_notifier(Notifier *notifier, void *data)
560 {
561     MigrationState *s = data;
562 
563     if (!spice_have_target_host) {
564         return;
565     }
566 
567     if (migration_in_setup(s)) {
568         spice_server_migrate_start(spice_server);
569     } else if (migration_has_finished(s) ||
570                migration_in_postcopy_after_devices(s)) {
571         spice_server_migrate_end(spice_server, true);
572         spice_have_target_host = false;
573     } else if (migration_has_failed(s)) {
574         spice_server_migrate_end(spice_server, false);
575         spice_have_target_host = false;
576     }
577 }
578 
579 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
580                             const char *subject)
581 {
582     int ret;
583 
584     ret = spice_server_migrate_connect(spice_server, hostname,
585                                        port, tls_port, subject);
586     spice_have_target_host = true;
587     return ret;
588 }
589 
590 static int add_channel(void *opaque, const char *name, const char *value,
591                        Error **errp)
592 {
593     int security = 0;
594     int rc;
595 
596     if (strcmp(name, "tls-channel") == 0) {
597         int *tls_port = opaque;
598         if (!*tls_port) {
599             error_setg(errp, "spice: tried to setup tls-channel"
600                        " without specifying a TLS port");
601             return -1;
602         }
603         security = SPICE_CHANNEL_SECURITY_SSL;
604     }
605     if (strcmp(name, "plaintext-channel") == 0) {
606         security = SPICE_CHANNEL_SECURITY_NONE;
607     }
608     if (security == 0) {
609         return 0;
610     }
611     if (strcmp(value, "default") == 0) {
612         rc = spice_server_set_channel_security(spice_server, NULL, security);
613     } else {
614         rc = spice_server_set_channel_security(spice_server, value, security);
615     }
616     if (rc != 0) {
617         error_setg(errp, "spice: failed to set channel security for %s",
618                    value);
619         return -1;
620     }
621     return 0;
622 }
623 
624 static void vm_change_state_handler(void *opaque, int running,
625                                     RunState state)
626 {
627     if (running) {
628         qemu_spice_display_start();
629     } else {
630         qemu_spice_display_stop();
631     }
632 }
633 
634 void qemu_spice_init(void)
635 {
636     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
637     const char *password, *str, *x509_dir, *addr,
638         *x509_key_password = NULL,
639         *x509_dh_file = NULL,
640         *tls_ciphers = NULL;
641     char *x509_key_file = NULL,
642         *x509_cert_file = NULL,
643         *x509_cacert_file = NULL;
644     int port, tls_port, addr_flags;
645     spice_image_compression_t compression;
646     spice_wan_compression_t wan_compr;
647     bool seamless_migration;
648 
649     qemu_thread_get_self(&me);
650 
651     if (!opts) {
652         return;
653     }
654     port = qemu_opt_get_number(opts, "port", 0);
655     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
656     if (port < 0 || port > 65535) {
657         error_report("spice port is out of range");
658         exit(1);
659     }
660     if (tls_port < 0 || tls_port > 65535) {
661         error_report("spice tls-port is out of range");
662         exit(1);
663     }
664     password = qemu_opt_get(opts, "password");
665 
666     if (tls_port) {
667         x509_dir = qemu_opt_get(opts, "x509-dir");
668         if (!x509_dir) {
669             x509_dir = ".";
670         }
671 
672         str = qemu_opt_get(opts, "x509-key-file");
673         if (str) {
674             x509_key_file = g_strdup(str);
675         } else {
676             x509_key_file = g_strdup_printf("%s/%s", x509_dir,
677                                             X509_SERVER_KEY_FILE);
678         }
679 
680         str = qemu_opt_get(opts, "x509-cert-file");
681         if (str) {
682             x509_cert_file = g_strdup(str);
683         } else {
684             x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
685                                              X509_SERVER_CERT_FILE);
686         }
687 
688         str = qemu_opt_get(opts, "x509-cacert-file");
689         if (str) {
690             x509_cacert_file = g_strdup(str);
691         } else {
692             x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
693                                                X509_CA_CERT_FILE);
694         }
695 
696         x509_key_password = qemu_opt_get(opts, "x509-key-password");
697         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
698         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
699     }
700 
701     addr = qemu_opt_get(opts, "addr");
702     addr_flags = 0;
703     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
704         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
705     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
706         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
707 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
708     } else if (qemu_opt_get_bool(opts, "unix", 0)) {
709         addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY;
710 #endif
711     }
712 
713     spice_server = spice_server_new();
714     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
715     if (port) {
716         spice_server_set_port(spice_server, port);
717     }
718     if (tls_port) {
719         spice_server_set_tls(spice_server, tls_port,
720                              x509_cacert_file,
721                              x509_cert_file,
722                              x509_key_file,
723                              x509_key_password,
724                              x509_dh_file,
725                              tls_ciphers);
726     }
727     if (password) {
728         qemu_spice_set_passwd(password, false, false);
729     }
730     if (qemu_opt_get_bool(opts, "sasl", 0)) {
731         if (spice_server_set_sasl(spice_server, 1) == -1) {
732             error_report("spice: failed to enable sasl");
733             exit(1);
734         }
735         auth = "sasl";
736     }
737     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
738         auth = "none";
739         spice_server_set_noauth(spice_server);
740     }
741 
742     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
743         spice_server_set_agent_copypaste(spice_server, false);
744     }
745 
746     if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
747         spice_server_set_agent_file_xfer(spice_server, false);
748     }
749 
750     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
751     str = qemu_opt_get(opts, "image-compression");
752     if (str) {
753         compression = parse_compression(str);
754     }
755     spice_server_set_image_compression(spice_server, compression);
756 
757     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
758     str = qemu_opt_get(opts, "jpeg-wan-compression");
759     if (str) {
760         wan_compr = parse_wan_compression(str);
761     }
762     spice_server_set_jpeg_compression(spice_server, wan_compr);
763 
764     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
765     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
766     if (str) {
767         wan_compr = parse_wan_compression(str);
768     }
769     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
770 
771     str = qemu_opt_get(opts, "streaming-video");
772     if (str) {
773         int streaming_video = parse_stream_video(str);
774         spice_server_set_streaming_video(spice_server, streaming_video);
775     } else {
776         spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
777     }
778 
779     spice_server_set_agent_mouse
780         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
781     spice_server_set_playback_compression
782         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
783 
784     qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal);
785 
786     spice_server_set_name(spice_server, qemu_name);
787     spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid);
788 
789     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
790     spice_server_set_seamless_migration(spice_server, seamless_migration);
791     spice_server_set_sasl_appname(spice_server, "qemu");
792     if (spice_server_init(spice_server, &core_interface) != 0) {
793         error_report("failed to initialize spice server");
794         exit(1);
795     };
796     using_spice = 1;
797 
798     migration_state.notify = migration_state_notifier;
799     add_migration_state_change_notifier(&migration_state);
800     spice_migrate.base.sif = &migrate_interface.base;
801     qemu_spice_add_interface(&spice_migrate.base);
802 
803     qemu_spice_input_init();
804     qemu_spice_audio_init();
805 
806     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
807     qemu_spice_display_stop();
808 
809     g_free(x509_key_file);
810     g_free(x509_cert_file);
811     g_free(x509_cacert_file);
812 
813     qemu_spice_register_ports();
814 
815 #ifdef HAVE_SPICE_GL
816     if (qemu_opt_get_bool(opts, "gl", 0)) {
817         if ((port != 0) || (tls_port != 0)) {
818             error_report("SPICE GL support is local-only for now and "
819                          "incompatible with -spice port/tls-port");
820             exit(1);
821         }
822         if (egl_rendernode_init(qemu_opt_get(opts, "rendernode"),
823                                 DISPLAYGL_MODE_ON) != 0) {
824             error_report("Failed to initialize EGL render node for SPICE GL");
825             exit(1);
826         }
827         display_opengl = 1;
828         spice_opengl = 1;
829     }
830 #endif
831 }
832 
833 int qemu_spice_add_interface(SpiceBaseInstance *sin)
834 {
835     if (!spice_server) {
836         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
837             error_report("Oops: spice configured but not active");
838             exit(1);
839         }
840         /*
841          * Create a spice server instance.
842          * It does *not* listen on the network.
843          * It handles QXL local rendering only.
844          *
845          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
846          */
847         spice_server = spice_server_new();
848         spice_server_set_sasl_appname(spice_server, "qemu");
849         spice_server_init(spice_server, &core_interface);
850         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
851     }
852 
853     return spice_server_add_interface(spice_server, sin);
854 }
855 
856 static GSList *spice_consoles;
857 
858 bool qemu_spice_have_display_interface(QemuConsole *con)
859 {
860     if (g_slist_find(spice_consoles, con)) {
861         return true;
862     }
863     return false;
864 }
865 
866 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
867 {
868     if (g_slist_find(spice_consoles, con)) {
869         return -1;
870     }
871     qxlin->id = qemu_console_get_index(con);
872     spice_consoles = g_slist_append(spice_consoles, con);
873     return qemu_spice_add_interface(&qxlin->base);
874 }
875 
876 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
877 {
878     time_t lifetime, now = time(NULL);
879     char *passwd;
880 
881     if (now < auth_expires) {
882         passwd = auth_passwd;
883         lifetime = (auth_expires - now);
884         if (lifetime > INT_MAX) {
885             lifetime = INT_MAX;
886         }
887     } else {
888         passwd = NULL;
889         lifetime = 1;
890     }
891     return spice_server_set_ticket(spice_server, passwd, lifetime,
892                                    fail_if_conn, disconnect_if_conn);
893 }
894 
895 int qemu_spice_set_passwd(const char *passwd,
896                           bool fail_if_conn, bool disconnect_if_conn)
897 {
898     if (strcmp(auth, "spice") != 0) {
899         return -1;
900     }
901 
902     g_free(auth_passwd);
903     auth_passwd = g_strdup(passwd);
904     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
905 }
906 
907 int qemu_spice_set_pw_expire(time_t expires)
908 {
909     auth_expires = expires;
910     return qemu_spice_set_ticket(false, false);
911 }
912 
913 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
914 {
915     if (tls) {
916         return spice_server_add_ssl_client(spice_server, csock, skipauth);
917     } else {
918         return spice_server_add_client(spice_server, csock, skipauth);
919     }
920 }
921 
922 void qemu_spice_display_start(void)
923 {
924     spice_display_is_running = true;
925     spice_server_vm_start(spice_server);
926 }
927 
928 void qemu_spice_display_stop(void)
929 {
930     spice_server_vm_stop(spice_server);
931     spice_display_is_running = false;
932 }
933 
934 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
935 {
936     return spice_display_is_running;
937 }
938 
939 static void spice_register_config(void)
940 {
941     qemu_add_opts(&qemu_spice_opts);
942 }
943 opts_init(spice_register_config);
944