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.h" 23 24 #include "qemu-common.h" 25 #include "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_socket.h" 31 #include "qmp-commands.h" 32 #include "qint.h" 33 #include "qbool.h" 34 #include "qstring.h" 35 #include "qjson.h" 36 #include "notify.h" 37 #include "migration.h" 38 #include "monitor.h" 39 #include "hw/hw.h" 40 #include "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 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT 227 if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) { 228 add_addr_info(client, (struct sockaddr *)&info->paddr_ext, 229 info->plen_ext); 230 add_addr_info(server, (struct sockaddr *)&info->laddr_ext, 231 info->llen_ext); 232 } else { 233 error_report("spice: %s, extended address is expected", 234 __func__); 235 #endif 236 add_addr_info(client, &info->paddr, info->plen); 237 add_addr_info(server, &info->laddr, info->llen); 238 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT 239 } 240 #endif 241 242 if (event == SPICE_CHANNEL_EVENT_INITIALIZED) { 243 qdict_put(server, "auth", qstring_from_str(auth)); 244 add_channel_info(client, info); 245 channel_list_add(info); 246 } 247 if (event == SPICE_CHANNEL_EVENT_DISCONNECTED) { 248 channel_list_del(info); 249 } 250 251 data = qobject_from_jsonf("{ 'client': %p, 'server': %p }", 252 QOBJECT(client), QOBJECT(server)); 253 monitor_protocol_event(qevent[event], data); 254 qobject_decref(data); 255 256 if (need_lock) { 257 qemu_mutex_unlock_iothread(); 258 } 259 } 260 261 static SpiceCoreInterface core_interface = { 262 .base.type = SPICE_INTERFACE_CORE, 263 .base.description = "qemu core services", 264 .base.major_version = SPICE_INTERFACE_CORE_MAJOR, 265 .base.minor_version = SPICE_INTERFACE_CORE_MINOR, 266 267 .timer_add = timer_add, 268 .timer_start = timer_start, 269 .timer_cancel = timer_cancel, 270 .timer_remove = timer_remove, 271 272 .watch_add = watch_add, 273 .watch_update_mask = watch_update_mask, 274 .watch_remove = watch_remove, 275 276 .channel_event = channel_event, 277 }; 278 279 #ifdef SPICE_INTERFACE_MIGRATION 280 typedef struct SpiceMigration { 281 SpiceMigrateInstance sin; 282 struct { 283 MonitorCompletion *cb; 284 void *opaque; 285 } connect_complete; 286 } SpiceMigration; 287 288 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin); 289 static void migrate_end_complete_cb(SpiceMigrateInstance *sin); 290 291 static const SpiceMigrateInterface migrate_interface = { 292 .base.type = SPICE_INTERFACE_MIGRATION, 293 .base.description = "migration", 294 .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR, 295 .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR, 296 .migrate_connect_complete = migrate_connect_complete_cb, 297 .migrate_end_complete = migrate_end_complete_cb, 298 }; 299 300 static SpiceMigration spice_migrate; 301 302 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin) 303 { 304 SpiceMigration *sm = container_of(sin, SpiceMigration, sin); 305 if (sm->connect_complete.cb) { 306 sm->connect_complete.cb(sm->connect_complete.opaque, NULL); 307 } 308 sm->connect_complete.cb = NULL; 309 } 310 311 static void migrate_end_complete_cb(SpiceMigrateInstance *sin) 312 { 313 monitor_protocol_event(QEVENT_SPICE_MIGRATE_COMPLETED, NULL); 314 spice_migration_completed = true; 315 } 316 #endif 317 318 /* config string parsing */ 319 320 static int name2enum(const char *string, const char *table[], int entries) 321 { 322 int i; 323 324 if (string) { 325 for (i = 0; i < entries; i++) { 326 if (!table[i]) { 327 continue; 328 } 329 if (strcmp(string, table[i]) != 0) { 330 continue; 331 } 332 return i; 333 } 334 } 335 return -1; 336 } 337 338 static int parse_name(const char *string, const char *optname, 339 const char *table[], int entries) 340 { 341 int value = name2enum(string, table, entries); 342 343 if (value != -1) { 344 return value; 345 } 346 error_report("spice: invalid %s: %s", optname, string); 347 exit(1); 348 } 349 350 static const char *stream_video_names[] = { 351 [ SPICE_STREAM_VIDEO_OFF ] = "off", 352 [ SPICE_STREAM_VIDEO_ALL ] = "all", 353 [ SPICE_STREAM_VIDEO_FILTER ] = "filter", 354 }; 355 #define parse_stream_video(_name) \ 356 parse_name(_name, "stream video control", \ 357 stream_video_names, ARRAY_SIZE(stream_video_names)) 358 359 static const char *compression_names[] = { 360 [ SPICE_IMAGE_COMPRESS_OFF ] = "off", 361 [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz", 362 [ SPICE_IMAGE_COMPRESS_AUTO_LZ ] = "auto_lz", 363 [ SPICE_IMAGE_COMPRESS_QUIC ] = "quic", 364 [ SPICE_IMAGE_COMPRESS_GLZ ] = "glz", 365 [ SPICE_IMAGE_COMPRESS_LZ ] = "lz", 366 }; 367 #define parse_compression(_name) \ 368 parse_name(_name, "image compression", \ 369 compression_names, ARRAY_SIZE(compression_names)) 370 371 static const char *wan_compression_names[] = { 372 [ SPICE_WAN_COMPRESSION_AUTO ] = "auto", 373 [ SPICE_WAN_COMPRESSION_NEVER ] = "never", 374 [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always", 375 }; 376 #define parse_wan_compression(_name) \ 377 parse_name(_name, "wan compression", \ 378 wan_compression_names, ARRAY_SIZE(wan_compression_names)) 379 380 /* functions for the rest of qemu */ 381 382 static SpiceChannelList *qmp_query_spice_channels(void) 383 { 384 SpiceChannelList *cur_item = NULL, *head = NULL; 385 ChannelList *item; 386 387 QTAILQ_FOREACH(item, &channel_list, link) { 388 SpiceChannelList *chan; 389 char host[NI_MAXHOST], port[NI_MAXSERV]; 390 struct sockaddr *paddr; 391 socklen_t plen; 392 393 chan = g_malloc0(sizeof(*chan)); 394 chan->value = g_malloc0(sizeof(*chan->value)); 395 396 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT 397 if (item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) { 398 paddr = (struct sockaddr *)&item->info->paddr_ext; 399 plen = item->info->plen_ext; 400 } else { 401 #endif 402 paddr = &item->info->paddr; 403 plen = item->info->plen; 404 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT 405 } 406 #endif 407 408 getnameinfo(paddr, plen, 409 host, sizeof(host), port, sizeof(port), 410 NI_NUMERICHOST | NI_NUMERICSERV); 411 chan->value->host = g_strdup(host); 412 chan->value->port = g_strdup(port); 413 chan->value->family = g_strdup(inet_strfamily(paddr->sa_family)); 414 415 chan->value->connection_id = item->info->connection_id; 416 chan->value->channel_type = item->info->type; 417 chan->value->channel_id = item->info->id; 418 chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; 419 420 /* XXX: waiting for the qapi to support GSList */ 421 if (!cur_item) { 422 head = cur_item = chan; 423 } else { 424 cur_item->next = chan; 425 cur_item = chan; 426 } 427 } 428 429 return head; 430 } 431 432 SpiceInfo *qmp_query_spice(Error **errp) 433 { 434 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 435 int port, tls_port; 436 const char *addr; 437 SpiceInfo *info; 438 char version_string[20]; /* 12 = |255.255.255\0| is the max */ 439 440 info = g_malloc0(sizeof(*info)); 441 442 if (!spice_server || !opts) { 443 info->enabled = false; 444 return info; 445 } 446 447 info->enabled = true; 448 info->migrated = spice_migration_completed; 449 450 addr = qemu_opt_get(opts, "addr"); 451 port = qemu_opt_get_number(opts, "port", 0); 452 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 453 454 info->has_auth = true; 455 info->auth = g_strdup(auth); 456 457 info->has_host = true; 458 info->host = g_strdup(addr ? addr : "0.0.0.0"); 459 460 info->has_compiled_version = true; 461 snprintf(version_string, sizeof(version_string), "%d.%d.%d", 462 (SPICE_SERVER_VERSION & 0xff0000) >> 16, 463 (SPICE_SERVER_VERSION & 0xff00) >> 8, 464 SPICE_SERVER_VERSION & 0xff); 465 info->compiled_version = g_strdup(version_string); 466 467 if (port) { 468 info->has_port = true; 469 info->port = port; 470 } 471 if (tls_port) { 472 info->has_tls_port = true; 473 info->tls_port = tls_port; 474 } 475 476 #if SPICE_SERVER_VERSION >= 0x000a03 /* 0.10.3 */ 477 info->mouse_mode = spice_server_is_server_mouse(spice_server) ? 478 SPICE_QUERY_MOUSE_MODE_SERVER : 479 SPICE_QUERY_MOUSE_MODE_CLIENT; 480 #else 481 info->mouse_mode = SPICE_QUERY_MOUSE_MODE_UNKNOWN; 482 #endif 483 /* for compatibility with the original command */ 484 info->has_channels = true; 485 info->channels = qmp_query_spice_channels(); 486 487 return info; 488 } 489 490 static void migration_state_notifier(Notifier *notifier, void *data) 491 { 492 MigrationState *s = data; 493 494 if (migration_is_active(s)) { 495 #ifdef SPICE_INTERFACE_MIGRATION 496 spice_server_migrate_start(spice_server); 497 #endif 498 } else if (migration_has_finished(s)) { 499 #ifndef SPICE_INTERFACE_MIGRATION 500 spice_server_migrate_switch(spice_server); 501 monitor_protocol_event(QEVENT_SPICE_MIGRATE_COMPLETED, NULL); 502 spice_migration_completed = true; 503 #else 504 spice_server_migrate_end(spice_server, true); 505 } else if (migration_has_failed(s)) { 506 spice_server_migrate_end(spice_server, false); 507 #endif 508 } 509 } 510 511 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port, 512 const char *subject, 513 MonitorCompletion *cb, void *opaque) 514 { 515 int ret; 516 #ifdef SPICE_INTERFACE_MIGRATION 517 spice_migrate.connect_complete.cb = cb; 518 spice_migrate.connect_complete.opaque = opaque; 519 ret = spice_server_migrate_connect(spice_server, hostname, 520 port, tls_port, subject); 521 #else 522 ret = spice_server_migrate_info(spice_server, hostname, 523 port, tls_port, subject); 524 cb(opaque, NULL); 525 #endif 526 return ret; 527 } 528 529 static int add_channel(const char *name, const char *value, void *opaque) 530 { 531 int security = 0; 532 int rc; 533 534 if (strcmp(name, "tls-channel") == 0) { 535 int *tls_port = opaque; 536 if (!*tls_port) { 537 error_report("spice: tried to setup tls-channel" 538 " without specifying a TLS port"); 539 exit(1); 540 } 541 security = SPICE_CHANNEL_SECURITY_SSL; 542 } 543 if (strcmp(name, "plaintext-channel") == 0) { 544 security = SPICE_CHANNEL_SECURITY_NONE; 545 } 546 if (security == 0) { 547 return 0; 548 } 549 if (strcmp(value, "default") == 0) { 550 rc = spice_server_set_channel_security(spice_server, NULL, security); 551 } else { 552 rc = spice_server_set_channel_security(spice_server, value, security); 553 } 554 if (rc != 0) { 555 error_report("spice: failed to set channel security for %s", value); 556 exit(1); 557 } 558 return 0; 559 } 560 561 static void vm_change_state_handler(void *opaque, int running, 562 RunState state) 563 { 564 #if SPICE_SERVER_VERSION >= 0x000b02 /* 0.11.2 */ 565 if (running) { 566 qemu_spice_display_start(); 567 spice_server_vm_start(spice_server); 568 } else { 569 spice_server_vm_stop(spice_server); 570 qemu_spice_display_stop(); 571 } 572 #endif 573 } 574 575 void qemu_spice_init(void) 576 { 577 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 578 const char *password, *str, *x509_dir, *addr, 579 *x509_key_password = NULL, 580 *x509_dh_file = NULL, 581 *tls_ciphers = NULL; 582 char *x509_key_file = NULL, 583 *x509_cert_file = NULL, 584 *x509_cacert_file = NULL; 585 int port, tls_port, len, addr_flags; 586 spice_image_compression_t compression; 587 spice_wan_compression_t wan_compr; 588 #if SPICE_SERVER_VERSION >= 0x000b02 /* 0.11.2 */ 589 bool seamless_migration; 590 #endif 591 592 qemu_thread_get_self(&me); 593 594 if (!opts) { 595 return; 596 } 597 port = qemu_opt_get_number(opts, "port", 0); 598 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 599 if (!port && !tls_port) { 600 error_report("neither port nor tls-port specified for spice"); 601 exit(1); 602 } 603 if (port < 0 || port > 65535) { 604 error_report("spice port is out of range"); 605 exit(1); 606 } 607 if (tls_port < 0 || tls_port > 65535) { 608 error_report("spice tls-port is out of range"); 609 exit(1); 610 } 611 password = qemu_opt_get(opts, "password"); 612 613 if (tls_port) { 614 x509_dir = qemu_opt_get(opts, "x509-dir"); 615 if (NULL == x509_dir) { 616 x509_dir = "."; 617 } 618 len = strlen(x509_dir) + 32; 619 620 str = qemu_opt_get(opts, "x509-key-file"); 621 if (str) { 622 x509_key_file = g_strdup(str); 623 } else { 624 x509_key_file = g_malloc(len); 625 snprintf(x509_key_file, len, "%s/%s", x509_dir, X509_SERVER_KEY_FILE); 626 } 627 628 str = qemu_opt_get(opts, "x509-cert-file"); 629 if (str) { 630 x509_cert_file = g_strdup(str); 631 } else { 632 x509_cert_file = g_malloc(len); 633 snprintf(x509_cert_file, len, "%s/%s", x509_dir, X509_SERVER_CERT_FILE); 634 } 635 636 str = qemu_opt_get(opts, "x509-cacert-file"); 637 if (str) { 638 x509_cacert_file = g_strdup(str); 639 } else { 640 x509_cacert_file = g_malloc(len); 641 snprintf(x509_cacert_file, len, "%s/%s", x509_dir, X509_CA_CERT_FILE); 642 } 643 644 x509_key_password = qemu_opt_get(opts, "x509-key-password"); 645 x509_dh_file = qemu_opt_get(opts, "x509-dh-file"); 646 tls_ciphers = qemu_opt_get(opts, "tls-ciphers"); 647 } 648 649 addr = qemu_opt_get(opts, "addr"); 650 addr_flags = 0; 651 if (qemu_opt_get_bool(opts, "ipv4", 0)) { 652 addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY; 653 } else if (qemu_opt_get_bool(opts, "ipv6", 0)) { 654 addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY; 655 } 656 657 spice_server = spice_server_new(); 658 spice_server_set_addr(spice_server, addr ? addr : "", addr_flags); 659 if (port) { 660 spice_server_set_port(spice_server, port); 661 } 662 if (tls_port) { 663 spice_server_set_tls(spice_server, tls_port, 664 x509_cacert_file, 665 x509_cert_file, 666 x509_key_file, 667 x509_key_password, 668 x509_dh_file, 669 tls_ciphers); 670 } 671 if (password) { 672 spice_server_set_ticket(spice_server, password, 0, 0, 0); 673 } 674 if (qemu_opt_get_bool(opts, "sasl", 0)) { 675 #if SPICE_SERVER_VERSION >= 0x000900 /* 0.9.0 */ 676 if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 || 677 spice_server_set_sasl(spice_server, 1) == -1) { 678 error_report("spice: failed to enable sasl"); 679 exit(1); 680 } 681 #else 682 error_report("spice: sasl is not available (spice >= 0.9 required)"); 683 exit(1); 684 #endif 685 } 686 if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) { 687 auth = "none"; 688 spice_server_set_noauth(spice_server); 689 } 690 691 if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) { 692 spice_server_set_agent_copypaste(spice_server, false); 693 } 694 695 compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ; 696 str = qemu_opt_get(opts, "image-compression"); 697 if (str) { 698 compression = parse_compression(str); 699 } 700 spice_server_set_image_compression(spice_server, compression); 701 702 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 703 str = qemu_opt_get(opts, "jpeg-wan-compression"); 704 if (str) { 705 wan_compr = parse_wan_compression(str); 706 } 707 spice_server_set_jpeg_compression(spice_server, wan_compr); 708 709 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 710 str = qemu_opt_get(opts, "zlib-glz-wan-compression"); 711 if (str) { 712 wan_compr = parse_wan_compression(str); 713 } 714 spice_server_set_zlib_glz_compression(spice_server, wan_compr); 715 716 str = qemu_opt_get(opts, "streaming-video"); 717 if (str) { 718 int streaming_video = parse_stream_video(str); 719 spice_server_set_streaming_video(spice_server, streaming_video); 720 } 721 722 spice_server_set_agent_mouse 723 (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1)); 724 spice_server_set_playback_compression 725 (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1)); 726 727 qemu_opt_foreach(opts, add_channel, &tls_port, 0); 728 729 #if SPICE_SERVER_VERSION >= 0x000a02 /* 0.10.2 */ 730 spice_server_set_name(spice_server, qemu_name); 731 spice_server_set_uuid(spice_server, qemu_uuid); 732 #endif 733 734 #if SPICE_SERVER_VERSION >= 0x000b02 /* 0.11.2 */ 735 seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0); 736 spice_server_set_seamless_migration(spice_server, seamless_migration); 737 #endif 738 if (0 != spice_server_init(spice_server, &core_interface)) { 739 error_report("failed to initialize spice server"); 740 exit(1); 741 }; 742 using_spice = 1; 743 744 migration_state.notify = migration_state_notifier; 745 add_migration_state_change_notifier(&migration_state); 746 #ifdef SPICE_INTERFACE_MIGRATION 747 spice_migrate.sin.base.sif = &migrate_interface.base; 748 spice_migrate.connect_complete.cb = NULL; 749 qemu_spice_add_interface(&spice_migrate.sin.base); 750 #endif 751 752 qemu_spice_input_init(); 753 qemu_spice_audio_init(); 754 755 qemu_add_vm_change_state_handler(vm_change_state_handler, &spice_server); 756 757 g_free(x509_key_file); 758 g_free(x509_cert_file); 759 g_free(x509_cacert_file); 760 } 761 762 int qemu_spice_add_interface(SpiceBaseInstance *sin) 763 { 764 if (!spice_server) { 765 if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) { 766 error_report("Oops: spice configured but not active"); 767 exit(1); 768 } 769 /* 770 * Create a spice server instance. 771 * It does *not* listen on the network. 772 * It handles QXL local rendering only. 773 * 774 * With a command line like '-vnc :0 -vga qxl' you'll end up here. 775 */ 776 spice_server = spice_server_new(); 777 spice_server_init(spice_server, &core_interface); 778 } 779 780 return spice_server_add_interface(spice_server, sin); 781 } 782 783 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn) 784 { 785 time_t lifetime, now = time(NULL); 786 char *passwd; 787 788 if (now < auth_expires) { 789 passwd = auth_passwd; 790 lifetime = (auth_expires - now); 791 if (lifetime > INT_MAX) { 792 lifetime = INT_MAX; 793 } 794 } else { 795 passwd = NULL; 796 lifetime = 1; 797 } 798 return spice_server_set_ticket(spice_server, passwd, lifetime, 799 fail_if_conn, disconnect_if_conn); 800 } 801 802 int qemu_spice_set_passwd(const char *passwd, 803 bool fail_if_conn, bool disconnect_if_conn) 804 { 805 free(auth_passwd); 806 auth_passwd = strdup(passwd); 807 return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn); 808 } 809 810 int qemu_spice_set_pw_expire(time_t expires) 811 { 812 auth_expires = expires; 813 return qemu_spice_set_ticket(false, false); 814 } 815 816 int qemu_spice_display_add_client(int csock, int skipauth, int tls) 817 { 818 #if SPICE_SERVER_VERSION >= 0x000a01 819 if (tls) { 820 return spice_server_add_ssl_client(spice_server, csock, skipauth); 821 } else { 822 return spice_server_add_client(spice_server, csock, skipauth); 823 } 824 #else 825 return -1; 826 #endif 827 } 828 829 static void spice_register_config(void) 830 { 831 qemu_add_opts(&qemu_spice_opts); 832 } 833 machine_init(spice_register_config); 834