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1 | /* | |
2 | * Copyright (C) 2010 Red Hat, Inc. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License as | |
6 | * published by the Free Software Foundation; either version 2 or | |
7 | * (at your option) version 3 of the License. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
18 | #include <spice.h> | |
19 | #include <spice-experimental.h> | |
20 | ||
21 | #include <netdb.h> | |
22 | #include "sysemu/sysemu.h" | |
23 | ||
24 | #include "qemu-common.h" | |
25 | #include "ui/qemu-spice.h" | |
26 | #include "qemu/thread.h" | |
27 | #include "qemu/timer.h" | |
28 | #include "qemu/queue.h" | |
29 | #include "qemu-x509.h" | |
30 | #include "qemu/sockets.h" | |
31 | #include "qmp-commands.h" | |
32 | #include "qapi/qmp/qint.h" | |
33 | #include "qapi/qmp/qbool.h" | |
34 | #include "qapi/qmp/qstring.h" | |
35 | #include "qapi/qmp/qjson.h" | |
36 | #include "qemu/notify.h" | |
37 | #include "migration/migration.h" | |
38 | #include "monitor/monitor.h" | |
39 | #include "hw/hw.h" | |
40 | #include "ui/spice-display.h" | |
41 | ||
42 | /* core bits */ | |
43 | ||
44 | static SpiceServer *spice_server; | |
45 | static Notifier migration_state; | |
46 | static const char *auth = "spice"; | |
47 | static char *auth_passwd; | |
48 | static time_t auth_expires = TIME_MAX; | |
49 | static int spice_migration_completed; | |
50 | int using_spice = 0; | |
51 | ||
52 | static QemuThread me; | |
53 | ||
54 | struct SpiceTimer { | |
55 | QEMUTimer *timer; | |
56 | QTAILQ_ENTRY(SpiceTimer) next; | |
57 | }; | |
58 | static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers); | |
59 | ||
60 | static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque) | |
61 | { | |
62 | SpiceTimer *timer; | |
63 | ||
64 | timer = g_malloc0(sizeof(*timer)); | |
65 | timer->timer = qemu_new_timer_ms(rt_clock, func, opaque); | |
66 | QTAILQ_INSERT_TAIL(&timers, timer, next); | |
67 | return timer; | |
68 | } | |
69 | ||
70 | static void timer_start(SpiceTimer *timer, uint32_t ms) | |
71 | { | |
72 | qemu_mod_timer(timer->timer, qemu_get_clock_ms(rt_clock) + ms); | |
73 | } | |
74 | ||
75 | static void timer_cancel(SpiceTimer *timer) | |
76 | { | |
77 | qemu_del_timer(timer->timer); | |
78 | } | |
79 | ||
80 | static void timer_remove(SpiceTimer *timer) | |
81 | { | |
82 | qemu_del_timer(timer->timer); | |
83 | qemu_free_timer(timer->timer); | |
84 | QTAILQ_REMOVE(&timers, timer, next); | |
85 | g_free(timer); | |
86 | } | |
87 | ||
88 | struct SpiceWatch { | |
89 | int fd; | |
90 | int event_mask; | |
91 | SpiceWatchFunc func; | |
92 | void *opaque; | |
93 | QTAILQ_ENTRY(SpiceWatch) next; | |
94 | }; | |
95 | static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches); | |
96 | ||
97 | static void watch_read(void *opaque) | |
98 | { | |
99 | SpiceWatch *watch = opaque; | |
100 | watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque); | |
101 | } | |
102 | ||
103 | static void watch_write(void *opaque) | |
104 | { | |
105 | SpiceWatch *watch = opaque; | |
106 | watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque); | |
107 | } | |
108 | ||
109 | static void watch_update_mask(SpiceWatch *watch, int event_mask) | |
110 | { | |
111 | IOHandler *on_read = NULL; | |
112 | IOHandler *on_write = NULL; | |
113 | ||
114 | watch->event_mask = event_mask; | |
115 | if (watch->event_mask & SPICE_WATCH_EVENT_READ) { | |
116 | on_read = watch_read; | |
117 | } | |
118 | if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) { | |
119 | on_write = watch_write; | |
120 | } | |
121 | qemu_set_fd_handler(watch->fd, on_read, on_write, watch); | |
122 | } | |
123 | ||
124 | static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque) | |
125 | { | |
126 | SpiceWatch *watch; | |
127 | ||
128 | watch = g_malloc0(sizeof(*watch)); | |
129 | watch->fd = fd; | |
130 | watch->func = func; | |
131 | watch->opaque = opaque; | |
132 | QTAILQ_INSERT_TAIL(&watches, watch, next); | |
133 | ||
134 | watch_update_mask(watch, event_mask); | |
135 | return watch; | |
136 | } | |
137 | ||
138 | static void watch_remove(SpiceWatch *watch) | |
139 | { | |
140 | qemu_set_fd_handler(watch->fd, NULL, NULL, NULL); | |
141 | QTAILQ_REMOVE(&watches, watch, next); | |
142 | g_free(watch); | |
143 | } | |
144 | ||
145 | typedef struct ChannelList ChannelList; | |
146 | struct ChannelList { | |
147 | SpiceChannelEventInfo *info; | |
148 | QTAILQ_ENTRY(ChannelList) link; | |
149 | }; | |
150 | static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list); | |
151 | ||
152 | static void channel_list_add(SpiceChannelEventInfo *info) | |
153 | { | |
154 | ChannelList *item; | |
155 | ||
156 | item = g_malloc0(sizeof(*item)); | |
157 | item->info = info; | |
158 | QTAILQ_INSERT_TAIL(&channel_list, item, link); | |
159 | } | |
160 | ||
161 | static void channel_list_del(SpiceChannelEventInfo *info) | |
162 | { | |
163 | ChannelList *item; | |
164 | ||
165 | QTAILQ_FOREACH(item, &channel_list, link) { | |
166 | if (item->info != info) { | |
167 | continue; | |
168 | } | |
169 | QTAILQ_REMOVE(&channel_list, item, link); | |
170 | g_free(item); | |
171 | return; | |
172 | } | |
173 | } | |
174 | ||
175 | static void add_addr_info(QDict *dict, struct sockaddr *addr, int len) | |
176 | { | |
177 | char host[NI_MAXHOST], port[NI_MAXSERV]; | |
178 | const char *family; | |
179 | ||
180 | getnameinfo(addr, len, host, sizeof(host), port, sizeof(port), | |
181 | NI_NUMERICHOST | NI_NUMERICSERV); | |
182 | family = inet_strfamily(addr->sa_family); | |
183 | ||
184 | qdict_put(dict, "host", qstring_from_str(host)); | |
185 | qdict_put(dict, "port", qstring_from_str(port)); | |
186 | qdict_put(dict, "family", qstring_from_str(family)); | |
187 | } | |
188 | ||
189 | static void add_channel_info(QDict *dict, SpiceChannelEventInfo *info) | |
190 | { | |
191 | int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; | |
192 | ||
193 | qdict_put(dict, "connection-id", qint_from_int(info->connection_id)); | |
194 | qdict_put(dict, "channel-type", qint_from_int(info->type)); | |
195 | qdict_put(dict, "channel-id", qint_from_int(info->id)); | |
196 | qdict_put(dict, "tls", qbool_from_int(tls)); | |
197 | } | |
198 | ||
199 | static void channel_event(int event, SpiceChannelEventInfo *info) | |
200 | { | |
201 | static const int qevent[] = { | |
202 | [ SPICE_CHANNEL_EVENT_CONNECTED ] = QEVENT_SPICE_CONNECTED, | |
203 | [ SPICE_CHANNEL_EVENT_INITIALIZED ] = QEVENT_SPICE_INITIALIZED, | |
204 | [ SPICE_CHANNEL_EVENT_DISCONNECTED ] = QEVENT_SPICE_DISCONNECTED, | |
205 | }; | |
206 | QDict *server, *client; | |
207 | QObject *data; | |
208 | ||
209 | /* | |
210 | * Spice server might have called us from spice worker thread | |
211 | * context (happens on display channel disconnects). Spice should | |
212 | * not do that. It isn't that easy to fix it in spice and even | |
213 | * when it is fixed we still should cover the already released | |
214 | * spice versions. So detect that we've been called from another | |
215 | * thread and grab the iothread lock if so before calling qemu | |
216 | * functions. | |
217 | */ | |
218 | bool need_lock = !qemu_thread_is_self(&me); | |
219 | if (need_lock) { | |
220 | qemu_mutex_lock_iothread(); | |
221 | } | |
222 | ||
223 | client = qdict_new(); | |
224 | server = qdict_new(); | |
225 | ||
226 | if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) { | |
227 | add_addr_info(client, (struct sockaddr *)&info->paddr_ext, | |
228 | info->plen_ext); | |
229 | add_addr_info(server, (struct sockaddr *)&info->laddr_ext, | |
230 | info->llen_ext); | |
231 | } else { | |
232 | error_report("spice: %s, extended address is expected", | |
233 | __func__); | |
234 | } | |
235 | ||
236 | if (event == SPICE_CHANNEL_EVENT_INITIALIZED) { | |
237 | qdict_put(server, "auth", qstring_from_str(auth)); | |
238 | add_channel_info(client, info); | |
239 | channel_list_add(info); | |
240 | } | |
241 | if (event == SPICE_CHANNEL_EVENT_DISCONNECTED) { | |
242 | channel_list_del(info); | |
243 | } | |
244 | ||
245 | data = qobject_from_jsonf("{ 'client': %p, 'server': %p }", | |
246 | QOBJECT(client), QOBJECT(server)); | |
247 | monitor_protocol_event(qevent[event], data); | |
248 | qobject_decref(data); | |
249 | ||
250 | if (need_lock) { | |
251 | qemu_mutex_unlock_iothread(); | |
252 | } | |
253 | } | |
254 | ||
255 | static SpiceCoreInterface core_interface = { | |
256 | .base.type = SPICE_INTERFACE_CORE, | |
257 | .base.description = "qemu core services", | |
258 | .base.major_version = SPICE_INTERFACE_CORE_MAJOR, | |
259 | .base.minor_version = SPICE_INTERFACE_CORE_MINOR, | |
260 | ||
261 | .timer_add = timer_add, | |
262 | .timer_start = timer_start, | |
263 | .timer_cancel = timer_cancel, | |
264 | .timer_remove = timer_remove, | |
265 | ||
266 | .watch_add = watch_add, | |
267 | .watch_update_mask = watch_update_mask, | |
268 | .watch_remove = watch_remove, | |
269 | ||
270 | .channel_event = channel_event, | |
271 | }; | |
272 | ||
273 | typedef struct SpiceMigration { | |
274 | SpiceMigrateInstance sin; | |
275 | struct { | |
276 | MonitorCompletion *cb; | |
277 | void *opaque; | |
278 | } connect_complete; | |
279 | } SpiceMigration; | |
280 | ||
281 | static void migrate_connect_complete_cb(SpiceMigrateInstance *sin); | |
282 | static void migrate_end_complete_cb(SpiceMigrateInstance *sin); | |
283 | ||
284 | static const SpiceMigrateInterface migrate_interface = { | |
285 | .base.type = SPICE_INTERFACE_MIGRATION, | |
286 | .base.description = "migration", | |
287 | .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR, | |
288 | .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR, | |
289 | .migrate_connect_complete = migrate_connect_complete_cb, | |
290 | .migrate_end_complete = migrate_end_complete_cb, | |
291 | }; | |
292 | ||
293 | static SpiceMigration spice_migrate; | |
294 | ||
295 | static void migrate_connect_complete_cb(SpiceMigrateInstance *sin) | |
296 | { | |
297 | SpiceMigration *sm = container_of(sin, SpiceMigration, sin); | |
298 | if (sm->connect_complete.cb) { | |
299 | sm->connect_complete.cb(sm->connect_complete.opaque, NULL); | |
300 | } | |
301 | sm->connect_complete.cb = NULL; | |
302 | } | |
303 | ||
304 | static void migrate_end_complete_cb(SpiceMigrateInstance *sin) | |
305 | { | |
306 | monitor_protocol_event(QEVENT_SPICE_MIGRATE_COMPLETED, NULL); | |
307 | spice_migration_completed = true; | |
308 | } | |
309 | ||
310 | /* config string parsing */ | |
311 | ||
312 | static int name2enum(const char *string, const char *table[], int entries) | |
313 | { | |
314 | int i; | |
315 | ||
316 | if (string) { | |
317 | for (i = 0; i < entries; i++) { | |
318 | if (!table[i]) { | |
319 | continue; | |
320 | } | |
321 | if (strcmp(string, table[i]) != 0) { | |
322 | continue; | |
323 | } | |
324 | return i; | |
325 | } | |
326 | } | |
327 | return -1; | |
328 | } | |
329 | ||
330 | static int parse_name(const char *string, const char *optname, | |
331 | const char *table[], int entries) | |
332 | { | |
333 | int value = name2enum(string, table, entries); | |
334 | ||
335 | if (value != -1) { | |
336 | return value; | |
337 | } | |
338 | error_report("spice: invalid %s: %s", optname, string); | |
339 | exit(1); | |
340 | } | |
341 | ||
342 | static const char *stream_video_names[] = { | |
343 | [ SPICE_STREAM_VIDEO_OFF ] = "off", | |
344 | [ SPICE_STREAM_VIDEO_ALL ] = "all", | |
345 | [ SPICE_STREAM_VIDEO_FILTER ] = "filter", | |
346 | }; | |
347 | #define parse_stream_video(_name) \ | |
348 | parse_name(_name, "stream video control", \ | |
349 | stream_video_names, ARRAY_SIZE(stream_video_names)) | |
350 | ||
351 | static const char *compression_names[] = { | |
352 | [ SPICE_IMAGE_COMPRESS_OFF ] = "off", | |
353 | [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz", | |
354 | [ SPICE_IMAGE_COMPRESS_AUTO_LZ ] = "auto_lz", | |
355 | [ SPICE_IMAGE_COMPRESS_QUIC ] = "quic", | |
356 | [ SPICE_IMAGE_COMPRESS_GLZ ] = "glz", | |
357 | [ SPICE_IMAGE_COMPRESS_LZ ] = "lz", | |
358 | }; | |
359 | #define parse_compression(_name) \ | |
360 | parse_name(_name, "image compression", \ | |
361 | compression_names, ARRAY_SIZE(compression_names)) | |
362 | ||
363 | static const char *wan_compression_names[] = { | |
364 | [ SPICE_WAN_COMPRESSION_AUTO ] = "auto", | |
365 | [ SPICE_WAN_COMPRESSION_NEVER ] = "never", | |
366 | [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always", | |
367 | }; | |
368 | #define parse_wan_compression(_name) \ | |
369 | parse_name(_name, "wan compression", \ | |
370 | wan_compression_names, ARRAY_SIZE(wan_compression_names)) | |
371 | ||
372 | /* functions for the rest of qemu */ | |
373 | ||
374 | static SpiceChannelList *qmp_query_spice_channels(void) | |
375 | { | |
376 | SpiceChannelList *cur_item = NULL, *head = NULL; | |
377 | ChannelList *item; | |
378 | ||
379 | QTAILQ_FOREACH(item, &channel_list, link) { | |
380 | SpiceChannelList *chan; | |
381 | char host[NI_MAXHOST], port[NI_MAXSERV]; | |
382 | struct sockaddr *paddr; | |
383 | socklen_t plen; | |
384 | ||
385 | chan = g_malloc0(sizeof(*chan)); | |
386 | chan->value = g_malloc0(sizeof(*chan->value)); | |
387 | ||
388 | if (item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) { | |
389 | paddr = (struct sockaddr *)&item->info->paddr_ext; | |
390 | plen = item->info->plen_ext; | |
391 | } else { | |
392 | paddr = &item->info->paddr; | |
393 | plen = item->info->plen; | |
394 | } | |
395 | ||
396 | getnameinfo(paddr, plen, | |
397 | host, sizeof(host), port, sizeof(port), | |
398 | NI_NUMERICHOST | NI_NUMERICSERV); | |
399 | chan->value->host = g_strdup(host); | |
400 | chan->value->port = g_strdup(port); | |
401 | chan->value->family = g_strdup(inet_strfamily(paddr->sa_family)); | |
402 | ||
403 | chan->value->connection_id = item->info->connection_id; | |
404 | chan->value->channel_type = item->info->type; | |
405 | chan->value->channel_id = item->info->id; | |
406 | chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; | |
407 | ||
408 | /* XXX: waiting for the qapi to support GSList */ | |
409 | if (!cur_item) { | |
410 | head = cur_item = chan; | |
411 | } else { | |
412 | cur_item->next = chan; | |
413 | cur_item = chan; | |
414 | } | |
415 | } | |
416 | ||
417 | return head; | |
418 | } | |
419 | ||
420 | static QemuOptsList qemu_spice_opts = { | |
421 | .name = "spice", | |
422 | .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head), | |
423 | .desc = { | |
424 | { | |
425 | .name = "port", | |
426 | .type = QEMU_OPT_NUMBER, | |
427 | },{ | |
428 | .name = "tls-port", | |
429 | .type = QEMU_OPT_NUMBER, | |
430 | },{ | |
431 | .name = "addr", | |
432 | .type = QEMU_OPT_STRING, | |
433 | },{ | |
434 | .name = "ipv4", | |
435 | .type = QEMU_OPT_BOOL, | |
436 | },{ | |
437 | .name = "ipv6", | |
438 | .type = QEMU_OPT_BOOL, | |
439 | },{ | |
440 | .name = "password", | |
441 | .type = QEMU_OPT_STRING, | |
442 | },{ | |
443 | .name = "disable-ticketing", | |
444 | .type = QEMU_OPT_BOOL, | |
445 | },{ | |
446 | .name = "disable-copy-paste", | |
447 | .type = QEMU_OPT_BOOL, | |
448 | },{ | |
449 | .name = "sasl", | |
450 | .type = QEMU_OPT_BOOL, | |
451 | },{ | |
452 | .name = "x509-dir", | |
453 | .type = QEMU_OPT_STRING, | |
454 | },{ | |
455 | .name = "x509-key-file", | |
456 | .type = QEMU_OPT_STRING, | |
457 | },{ | |
458 | .name = "x509-key-password", | |
459 | .type = QEMU_OPT_STRING, | |
460 | },{ | |
461 | .name = "x509-cert-file", | |
462 | .type = QEMU_OPT_STRING, | |
463 | },{ | |
464 | .name = "x509-cacert-file", | |
465 | .type = QEMU_OPT_STRING, | |
466 | },{ | |
467 | .name = "x509-dh-key-file", | |
468 | .type = QEMU_OPT_STRING, | |
469 | },{ | |
470 | .name = "tls-ciphers", | |
471 | .type = QEMU_OPT_STRING, | |
472 | },{ | |
473 | .name = "tls-channel", | |
474 | .type = QEMU_OPT_STRING, | |
475 | },{ | |
476 | .name = "plaintext-channel", | |
477 | .type = QEMU_OPT_STRING, | |
478 | },{ | |
479 | .name = "image-compression", | |
480 | .type = QEMU_OPT_STRING, | |
481 | },{ | |
482 | .name = "jpeg-wan-compression", | |
483 | .type = QEMU_OPT_STRING, | |
484 | },{ | |
485 | .name = "zlib-glz-wan-compression", | |
486 | .type = QEMU_OPT_STRING, | |
487 | },{ | |
488 | .name = "streaming-video", | |
489 | .type = QEMU_OPT_STRING, | |
490 | },{ | |
491 | .name = "agent-mouse", | |
492 | .type = QEMU_OPT_BOOL, | |
493 | },{ | |
494 | .name = "playback-compression", | |
495 | .type = QEMU_OPT_BOOL, | |
496 | }, { | |
497 | .name = "seamless-migration", | |
498 | .type = QEMU_OPT_BOOL, | |
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 | char version_string[20]; /* 12 = |255.255.255\0| is the max */ | |
511 | ||
512 | info = g_malloc0(sizeof(*info)); | |
513 | ||
514 | if (!spice_server || !opts) { | |
515 | info->enabled = false; | |
516 | return info; | |
517 | } | |
518 | ||
519 | info->enabled = true; | |
520 | info->migrated = spice_migration_completed; | |
521 | ||
522 | addr = qemu_opt_get(opts, "addr"); | |
523 | port = qemu_opt_get_number(opts, "port", 0); | |
524 | tls_port = qemu_opt_get_number(opts, "tls-port", 0); | |
525 | ||
526 | info->has_auth = true; | |
527 | info->auth = g_strdup(auth); | |
528 | ||
529 | info->has_host = true; | |
530 | info->host = g_strdup(addr ? addr : "0.0.0.0"); | |
531 | ||
532 | info->has_compiled_version = true; | |
533 | snprintf(version_string, sizeof(version_string), "%d.%d.%d", | |
534 | (SPICE_SERVER_VERSION & 0xff0000) >> 16, | |
535 | (SPICE_SERVER_VERSION & 0xff00) >> 8, | |
536 | SPICE_SERVER_VERSION & 0xff); | |
537 | info->compiled_version = g_strdup(version_string); | |
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 (migration_is_active(s)) { | |
564 | spice_server_migrate_start(spice_server); | |
565 | } else if (migration_has_finished(s)) { | |
566 | spice_server_migrate_end(spice_server, true); | |
567 | } else if (migration_has_failed(s)) { | |
568 | spice_server_migrate_end(spice_server, false); | |
569 | } | |
570 | } | |
571 | ||
572 | int qemu_spice_migrate_info(const char *hostname, int port, int tls_port, | |
573 | const char *subject, | |
574 | MonitorCompletion *cb, void *opaque) | |
575 | { | |
576 | int ret; | |
577 | ||
578 | spice_migrate.connect_complete.cb = cb; | |
579 | spice_migrate.connect_complete.opaque = opaque; | |
580 | ret = spice_server_migrate_connect(spice_server, hostname, | |
581 | port, tls_port, subject); | |
582 | return ret; | |
583 | } | |
584 | ||
585 | static int add_channel(const char *name, const char *value, void *opaque) | |
586 | { | |
587 | int security = 0; | |
588 | int rc; | |
589 | ||
590 | if (strcmp(name, "tls-channel") == 0) { | |
591 | int *tls_port = opaque; | |
592 | if (!*tls_port) { | |
593 | error_report("spice: tried to setup tls-channel" | |
594 | " without specifying a TLS port"); | |
595 | exit(1); | |
596 | } | |
597 | security = SPICE_CHANNEL_SECURITY_SSL; | |
598 | } | |
599 | if (strcmp(name, "plaintext-channel") == 0) { | |
600 | security = SPICE_CHANNEL_SECURITY_NONE; | |
601 | } | |
602 | if (security == 0) { | |
603 | return 0; | |
604 | } | |
605 | if (strcmp(value, "default") == 0) { | |
606 | rc = spice_server_set_channel_security(spice_server, NULL, security); | |
607 | } else { | |
608 | rc = spice_server_set_channel_security(spice_server, value, security); | |
609 | } | |
610 | if (rc != 0) { | |
611 | error_report("spice: failed to set channel security for %s", value); | |
612 | exit(1); | |
613 | } | |
614 | return 0; | |
615 | } | |
616 | ||
617 | static void vm_change_state_handler(void *opaque, int running, | |
618 | RunState state) | |
619 | { | |
620 | if (running) { | |
621 | qemu_spice_display_start(); | |
622 | spice_server_vm_start(spice_server); | |
623 | } else { | |
624 | spice_server_vm_stop(spice_server); | |
625 | qemu_spice_display_stop(); | |
626 | } | |
627 | } | |
628 | ||
629 | void qemu_spice_init(void) | |
630 | { | |
631 | QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); | |
632 | const char *password, *str, *x509_dir, *addr, | |
633 | *x509_key_password = NULL, | |
634 | *x509_dh_file = NULL, | |
635 | *tls_ciphers = NULL; | |
636 | char *x509_key_file = NULL, | |
637 | *x509_cert_file = NULL, | |
638 | *x509_cacert_file = NULL; | |
639 | int port, tls_port, len, addr_flags; | |
640 | spice_image_compression_t compression; | |
641 | spice_wan_compression_t wan_compr; | |
642 | bool seamless_migration; | |
643 | ||
644 | qemu_thread_get_self(&me); | |
645 | ||
646 | if (!opts) { | |
647 | return; | |
648 | } | |
649 | port = qemu_opt_get_number(opts, "port", 0); | |
650 | tls_port = qemu_opt_get_number(opts, "tls-port", 0); | |
651 | if (!port && !tls_port) { | |
652 | error_report("neither port nor tls-port specified for spice"); | |
653 | exit(1); | |
654 | } | |
655 | if (port < 0 || port > 65535) { | |
656 | error_report("spice port is out of range"); | |
657 | exit(1); | |
658 | } | |
659 | if (tls_port < 0 || tls_port > 65535) { | |
660 | error_report("spice tls-port is out of range"); | |
661 | exit(1); | |
662 | } | |
663 | password = qemu_opt_get(opts, "password"); | |
664 | ||
665 | if (tls_port) { | |
666 | x509_dir = qemu_opt_get(opts, "x509-dir"); | |
667 | if (NULL == x509_dir) { | |
668 | x509_dir = "."; | |
669 | } | |
670 | len = strlen(x509_dir) + 32; | |
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_malloc(len); | |
677 | snprintf(x509_key_file, len, "%s/%s", x509_dir, 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_malloc(len); | |
685 | snprintf(x509_cert_file, len, "%s/%s", x509_dir, 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_malloc(len); | |
693 | snprintf(x509_cacert_file, len, "%s/%s", x509_dir, 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 | } | |
708 | ||
709 | spice_server = spice_server_new(); | |
710 | spice_server_set_addr(spice_server, addr ? addr : "", addr_flags); | |
711 | if (port) { | |
712 | spice_server_set_port(spice_server, port); | |
713 | } | |
714 | if (tls_port) { | |
715 | spice_server_set_tls(spice_server, tls_port, | |
716 | x509_cacert_file, | |
717 | x509_cert_file, | |
718 | x509_key_file, | |
719 | x509_key_password, | |
720 | x509_dh_file, | |
721 | tls_ciphers); | |
722 | } | |
723 | if (password) { | |
724 | spice_server_set_ticket(spice_server, password, 0, 0, 0); | |
725 | } | |
726 | if (qemu_opt_get_bool(opts, "sasl", 0)) { | |
727 | if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 || | |
728 | spice_server_set_sasl(spice_server, 1) == -1) { | |
729 | error_report("spice: failed to enable sasl"); | |
730 | exit(1); | |
731 | } | |
732 | } | |
733 | if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) { | |
734 | auth = "none"; | |
735 | spice_server_set_noauth(spice_server); | |
736 | } | |
737 | ||
738 | if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) { | |
739 | spice_server_set_agent_copypaste(spice_server, false); | |
740 | } | |
741 | ||
742 | compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ; | |
743 | str = qemu_opt_get(opts, "image-compression"); | |
744 | if (str) { | |
745 | compression = parse_compression(str); | |
746 | } | |
747 | spice_server_set_image_compression(spice_server, compression); | |
748 | ||
749 | wan_compr = SPICE_WAN_COMPRESSION_AUTO; | |
750 | str = qemu_opt_get(opts, "jpeg-wan-compression"); | |
751 | if (str) { | |
752 | wan_compr = parse_wan_compression(str); | |
753 | } | |
754 | spice_server_set_jpeg_compression(spice_server, wan_compr); | |
755 | ||
756 | wan_compr = SPICE_WAN_COMPRESSION_AUTO; | |
757 | str = qemu_opt_get(opts, "zlib-glz-wan-compression"); | |
758 | if (str) { | |
759 | wan_compr = parse_wan_compression(str); | |
760 | } | |
761 | spice_server_set_zlib_glz_compression(spice_server, wan_compr); | |
762 | ||
763 | str = qemu_opt_get(opts, "streaming-video"); | |
764 | if (str) { | |
765 | int streaming_video = parse_stream_video(str); | |
766 | spice_server_set_streaming_video(spice_server, streaming_video); | |
767 | } | |
768 | ||
769 | spice_server_set_agent_mouse | |
770 | (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1)); | |
771 | spice_server_set_playback_compression | |
772 | (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1)); | |
773 | ||
774 | qemu_opt_foreach(opts, add_channel, &tls_port, 0); | |
775 | ||
776 | spice_server_set_name(spice_server, qemu_name); | |
777 | spice_server_set_uuid(spice_server, qemu_uuid); | |
778 | ||
779 | seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0); | |
780 | spice_server_set_seamless_migration(spice_server, seamless_migration); | |
781 | if (0 != spice_server_init(spice_server, &core_interface)) { | |
782 | error_report("failed to initialize spice server"); | |
783 | exit(1); | |
784 | }; | |
785 | using_spice = 1; | |
786 | ||
787 | migration_state.notify = migration_state_notifier; | |
788 | add_migration_state_change_notifier(&migration_state); | |
789 | spice_migrate.sin.base.sif = &migrate_interface.base; | |
790 | spice_migrate.connect_complete.cb = NULL; | |
791 | qemu_spice_add_interface(&spice_migrate.sin.base); | |
792 | ||
793 | qemu_spice_input_init(); | |
794 | qemu_spice_audio_init(); | |
795 | ||
796 | qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); | |
797 | ||
798 | g_free(x509_key_file); | |
799 | g_free(x509_cert_file); | |
800 | g_free(x509_cacert_file); | |
801 | ||
802 | #if SPICE_SERVER_VERSION >= 0x000c02 | |
803 | qemu_spice_register_ports(); | |
804 | #endif | |
805 | } | |
806 | ||
807 | int qemu_spice_add_interface(SpiceBaseInstance *sin) | |
808 | { | |
809 | if (!spice_server) { | |
810 | if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) { | |
811 | error_report("Oops: spice configured but not active"); | |
812 | exit(1); | |
813 | } | |
814 | /* | |
815 | * Create a spice server instance. | |
816 | * It does *not* listen on the network. | |
817 | * It handles QXL local rendering only. | |
818 | * | |
819 | * With a command line like '-vnc :0 -vga qxl' you'll end up here. | |
820 | */ | |
821 | spice_server = spice_server_new(); | |
822 | spice_server_init(spice_server, &core_interface); | |
823 | qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); | |
824 | } | |
825 | ||
826 | return spice_server_add_interface(spice_server, sin); | |
827 | } | |
828 | ||
829 | static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn) | |
830 | { | |
831 | time_t lifetime, now = time(NULL); | |
832 | char *passwd; | |
833 | ||
834 | if (now < auth_expires) { | |
835 | passwd = auth_passwd; | |
836 | lifetime = (auth_expires - now); | |
837 | if (lifetime > INT_MAX) { | |
838 | lifetime = INT_MAX; | |
839 | } | |
840 | } else { | |
841 | passwd = NULL; | |
842 | lifetime = 1; | |
843 | } | |
844 | return spice_server_set_ticket(spice_server, passwd, lifetime, | |
845 | fail_if_conn, disconnect_if_conn); | |
846 | } | |
847 | ||
848 | int qemu_spice_set_passwd(const char *passwd, | |
849 | bool fail_if_conn, bool disconnect_if_conn) | |
850 | { | |
851 | g_free(auth_passwd); | |
852 | auth_passwd = g_strdup(passwd); | |
853 | return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn); | |
854 | } | |
855 | ||
856 | int qemu_spice_set_pw_expire(time_t expires) | |
857 | { | |
858 | auth_expires = expires; | |
859 | return qemu_spice_set_ticket(false, false); | |
860 | } | |
861 | ||
862 | int qemu_spice_display_add_client(int csock, int skipauth, int tls) | |
863 | { | |
864 | if (tls) { | |
865 | return spice_server_add_ssl_client(spice_server, csock, skipauth); | |
866 | } else { | |
867 | return spice_server_add_client(spice_server, csock, skipauth); | |
868 | } | |
869 | } | |
870 | ||
871 | static void spice_register_config(void) | |
872 | { | |
873 | qemu_add_opts(&qemu_spice_opts); | |
874 | } | |
875 | machine_init(spice_register_config); |