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 #include "sysemu/runstate.h" 23 #include "ui/qemu-spice.h" 24 #include "qemu/error-report.h" 25 #include "qemu/main-loop.h" 26 #include "qemu/module.h" 27 #include "qemu/thread.h" 28 #include "qemu/timer.h" 29 #include "qemu/queue.h" 30 #include "qemu-x509.h" 31 #include "qemu/sockets.h" 32 #include "qapi/error.h" 33 #include "qapi/qapi-commands-ui.h" 34 #include "qapi/qapi-events-ui.h" 35 #include "qemu/notify.h" 36 #include "qemu/option.h" 37 #include "crypto/secret_common.h" 38 #include "migration/misc.h" 39 #include "hw/pci/pci_bus.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 static int spice_display_is_running; 51 static int spice_have_target_host; 52 53 static QemuThread me; 54 55 struct SpiceTimer { 56 QEMUTimer *timer; 57 }; 58 59 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque) 60 { 61 SpiceTimer *timer; 62 63 timer = g_malloc0(sizeof(*timer)); 64 timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque); 65 return timer; 66 } 67 68 static void timer_start(SpiceTimer *timer, uint32_t ms) 69 { 70 timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms); 71 } 72 73 static void timer_cancel(SpiceTimer *timer) 74 { 75 timer_del(timer->timer); 76 } 77 78 static void timer_remove(SpiceTimer *timer) 79 { 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->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 *head = NULL, **tail = &head; 358 ChannelList *item; 359 360 QTAILQ_FOREACH(item, &channel_list, link) { 361 SpiceChannel *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)); 369 370 paddr = (struct sockaddr *)&item->info->paddr_ext; 371 plen = item->info->plen_ext; 372 getnameinfo(paddr, plen, 373 host, sizeof(host), port, sizeof(port), 374 NI_NUMERICHOST | NI_NUMERICSERV); 375 chan->host = g_strdup(host); 376 chan->port = g_strdup(port); 377 chan->family = inet_netfamily(paddr->sa_family); 378 379 chan->connection_id = item->info->connection_id; 380 chan->channel_type = item->info->type; 381 chan->channel_id = item->info->id; 382 chan->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; 383 384 QAPI_LIST_APPEND(tail, chan); 385 } 386 387 return head; 388 } 389 390 static QemuOptsList qemu_spice_opts = { 391 .name = "spice", 392 .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head), 393 .merge_lists = true, 394 .desc = { 395 { 396 .name = "port", 397 .type = QEMU_OPT_NUMBER, 398 },{ 399 .name = "tls-port", 400 .type = QEMU_OPT_NUMBER, 401 },{ 402 .name = "addr", 403 .type = QEMU_OPT_STRING, 404 },{ 405 .name = "ipv4", 406 .type = QEMU_OPT_BOOL, 407 },{ 408 .name = "ipv6", 409 .type = QEMU_OPT_BOOL, 410 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY 411 },{ 412 .name = "unix", 413 .type = QEMU_OPT_BOOL, 414 #endif 415 },{ 416 .name = "password-secret", 417 .type = QEMU_OPT_STRING, 418 },{ 419 .name = "disable-ticketing", 420 .type = QEMU_OPT_BOOL, 421 },{ 422 .name = "disable-copy-paste", 423 .type = QEMU_OPT_BOOL, 424 },{ 425 .name = "disable-agent-file-xfer", 426 .type = QEMU_OPT_BOOL, 427 },{ 428 .name = "sasl", 429 .type = QEMU_OPT_BOOL, 430 },{ 431 .name = "x509-dir", 432 .type = QEMU_OPT_STRING, 433 },{ 434 .name = "x509-key-file", 435 .type = QEMU_OPT_STRING, 436 },{ 437 .name = "x509-key-password", 438 .type = QEMU_OPT_STRING, 439 },{ 440 .name = "x509-cert-file", 441 .type = QEMU_OPT_STRING, 442 },{ 443 .name = "x509-cacert-file", 444 .type = QEMU_OPT_STRING, 445 },{ 446 .name = "x509-dh-key-file", 447 .type = QEMU_OPT_STRING, 448 },{ 449 .name = "tls-ciphers", 450 .type = QEMU_OPT_STRING, 451 },{ 452 .name = "tls-channel", 453 .type = QEMU_OPT_STRING, 454 },{ 455 .name = "plaintext-channel", 456 .type = QEMU_OPT_STRING, 457 },{ 458 .name = "image-compression", 459 .type = QEMU_OPT_STRING, 460 },{ 461 .name = "jpeg-wan-compression", 462 .type = QEMU_OPT_STRING, 463 },{ 464 .name = "zlib-glz-wan-compression", 465 .type = QEMU_OPT_STRING, 466 },{ 467 .name = "streaming-video", 468 .type = QEMU_OPT_STRING, 469 },{ 470 .name = "agent-mouse", 471 .type = QEMU_OPT_BOOL, 472 },{ 473 .name = "playback-compression", 474 .type = QEMU_OPT_BOOL, 475 },{ 476 .name = "seamless-migration", 477 .type = QEMU_OPT_BOOL, 478 },{ 479 .name = "display", 480 .type = QEMU_OPT_STRING, 481 },{ 482 .name = "head", 483 .type = QEMU_OPT_NUMBER, 484 #ifdef HAVE_SPICE_GL 485 },{ 486 .name = "gl", 487 .type = QEMU_OPT_BOOL, 488 },{ 489 .name = "rendernode", 490 .type = QEMU_OPT_STRING, 491 #endif 492 }, 493 { /* end of list */ } 494 }, 495 }; 496 497 static SpiceInfo *qmp_query_spice_real(Error **errp) 498 { 499 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 500 int port, tls_port; 501 const char *addr; 502 SpiceInfo *info; 503 unsigned int major; 504 unsigned int minor; 505 unsigned int micro; 506 507 info = g_malloc0(sizeof(*info)); 508 509 if (!spice_server || !opts) { 510 info->enabled = false; 511 return info; 512 } 513 514 info->enabled = true; 515 info->migrated = spice_migration_completed; 516 517 addr = qemu_opt_get(opts, "addr"); 518 port = qemu_opt_get_number(opts, "port", 0); 519 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 520 521 info->auth = g_strdup(auth); 522 info->host = g_strdup(addr ? addr : "*"); 523 524 major = (SPICE_SERVER_VERSION & 0xff0000) >> 16; 525 minor = (SPICE_SERVER_VERSION & 0xff00) >> 8; 526 micro = SPICE_SERVER_VERSION & 0xff; 527 info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro); 528 529 if (port) { 530 info->has_port = true; 531 info->port = port; 532 } 533 if (tls_port) { 534 info->has_tls_port = true; 535 info->tls_port = tls_port; 536 } 537 538 info->mouse_mode = spice_server_is_server_mouse(spice_server) ? 539 SPICE_QUERY_MOUSE_MODE_SERVER : 540 SPICE_QUERY_MOUSE_MODE_CLIENT; 541 542 /* for compatibility with the original command */ 543 info->has_channels = true; 544 info->channels = qmp_query_spice_channels(); 545 546 return info; 547 } 548 549 static void migration_state_notifier(Notifier *notifier, void *data) 550 { 551 MigrationState *s = data; 552 553 if (!spice_have_target_host) { 554 return; 555 } 556 557 if (migration_in_setup(s)) { 558 spice_server_migrate_start(spice_server); 559 } else if (migration_has_finished(s) || 560 migration_in_postcopy_after_devices(s)) { 561 spice_server_migrate_end(spice_server, true); 562 spice_have_target_host = false; 563 } else if (migration_has_failed(s)) { 564 spice_server_migrate_end(spice_server, false); 565 spice_have_target_host = false; 566 } 567 } 568 569 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port, 570 const char *subject) 571 { 572 int ret; 573 574 ret = spice_server_migrate_connect(spice_server, hostname, 575 port, tls_port, subject); 576 spice_have_target_host = true; 577 return ret; 578 } 579 580 static int add_channel(void *opaque, const char *name, const char *value, 581 Error **errp) 582 { 583 int security = 0; 584 int rc; 585 586 if (strcmp(name, "tls-channel") == 0) { 587 int *tls_port = opaque; 588 if (!*tls_port) { 589 error_setg(errp, "spice: tried to setup tls-channel" 590 " without specifying a TLS port"); 591 return -1; 592 } 593 security = SPICE_CHANNEL_SECURITY_SSL; 594 } 595 if (strcmp(name, "plaintext-channel") == 0) { 596 security = SPICE_CHANNEL_SECURITY_NONE; 597 } 598 if (security == 0) { 599 return 0; 600 } 601 if (strcmp(value, "default") == 0) { 602 rc = spice_server_set_channel_security(spice_server, NULL, security); 603 } else { 604 rc = spice_server_set_channel_security(spice_server, value, security); 605 } 606 if (rc != 0) { 607 error_setg(errp, "spice: failed to set channel security for %s", 608 value); 609 return -1; 610 } 611 return 0; 612 } 613 614 static void vm_change_state_handler(void *opaque, bool running, 615 RunState state) 616 { 617 if (running) { 618 qemu_spice_display_start(); 619 } else if (state != RUN_STATE_PAUSED) { 620 qemu_spice_display_stop(); 621 } 622 } 623 624 void qemu_spice_display_init_done(void) 625 { 626 if (runstate_is_running()) { 627 qemu_spice_display_start(); 628 } 629 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); 630 } 631 632 static void qemu_spice_init(void) 633 { 634 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 635 char *password = NULL; 636 const char *passwordSecret; 637 const char *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 passwordSecret = qemu_opt_get(opts, "password-secret"); 665 if (passwordSecret) { 666 password = qcrypto_secret_lookup_as_utf8(passwordSecret, 667 &error_fatal); 668 } 669 670 if (tls_port) { 671 x509_dir = qemu_opt_get(opts, "x509-dir"); 672 if (!x509_dir) { 673 x509_dir = "."; 674 } 675 676 str = qemu_opt_get(opts, "x509-key-file"); 677 if (str) { 678 x509_key_file = g_strdup(str); 679 } else { 680 x509_key_file = g_strdup_printf("%s/%s", x509_dir, 681 X509_SERVER_KEY_FILE); 682 } 683 684 str = qemu_opt_get(opts, "x509-cert-file"); 685 if (str) { 686 x509_cert_file = g_strdup(str); 687 } else { 688 x509_cert_file = g_strdup_printf("%s/%s", x509_dir, 689 X509_SERVER_CERT_FILE); 690 } 691 692 str = qemu_opt_get(opts, "x509-cacert-file"); 693 if (str) { 694 x509_cacert_file = g_strdup(str); 695 } else { 696 x509_cacert_file = g_strdup_printf("%s/%s", x509_dir, 697 X509_CA_CERT_FILE); 698 } 699 700 x509_key_password = qemu_opt_get(opts, "x509-key-password"); 701 x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file"); 702 tls_ciphers = qemu_opt_get(opts, "tls-ciphers"); 703 } 704 705 addr = qemu_opt_get(opts, "addr"); 706 addr_flags = 0; 707 if (qemu_opt_get_bool(opts, "ipv4", 0)) { 708 addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY; 709 } else if (qemu_opt_get_bool(opts, "ipv6", 0)) { 710 addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY; 711 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY 712 } else if (qemu_opt_get_bool(opts, "unix", 0)) { 713 addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY; 714 #endif 715 } 716 717 spice_server = spice_server_new(); 718 spice_server_set_addr(spice_server, addr ? addr : "", addr_flags); 719 if (port) { 720 spice_server_set_port(spice_server, port); 721 } 722 if (tls_port) { 723 spice_server_set_tls(spice_server, tls_port, 724 x509_cacert_file, 725 x509_cert_file, 726 x509_key_file, 727 x509_key_password, 728 x509_dh_file, 729 tls_ciphers); 730 } 731 if (password) { 732 qemu_spice.set_passwd(password, false, false); 733 } 734 if (qemu_opt_get_bool(opts, "sasl", 0)) { 735 if (spice_server_set_sasl(spice_server, 1) == -1) { 736 error_report("spice: failed to enable sasl"); 737 exit(1); 738 } 739 auth = "sasl"; 740 } 741 if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) { 742 auth = "none"; 743 spice_server_set_noauth(spice_server); 744 } 745 746 if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) { 747 spice_server_set_agent_copypaste(spice_server, false); 748 } 749 750 if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) { 751 spice_server_set_agent_file_xfer(spice_server, false); 752 } 753 754 compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ; 755 str = qemu_opt_get(opts, "image-compression"); 756 if (str) { 757 compression = parse_compression(str); 758 } 759 spice_server_set_image_compression(spice_server, compression); 760 761 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 762 str = qemu_opt_get(opts, "jpeg-wan-compression"); 763 if (str) { 764 wan_compr = parse_wan_compression(str); 765 } 766 spice_server_set_jpeg_compression(spice_server, wan_compr); 767 768 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 769 str = qemu_opt_get(opts, "zlib-glz-wan-compression"); 770 if (str) { 771 wan_compr = parse_wan_compression(str); 772 } 773 spice_server_set_zlib_glz_compression(spice_server, wan_compr); 774 775 str = qemu_opt_get(opts, "streaming-video"); 776 if (str) { 777 int streaming_video = parse_stream_video(str); 778 spice_server_set_streaming_video(spice_server, streaming_video); 779 } else { 780 spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF); 781 } 782 783 spice_server_set_agent_mouse 784 (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1)); 785 spice_server_set_playback_compression 786 (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1)); 787 788 qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal); 789 790 spice_server_set_name(spice_server, qemu_name ?: "QEMU " QEMU_VERSION); 791 spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid); 792 793 seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0); 794 spice_server_set_seamless_migration(spice_server, seamless_migration); 795 spice_server_set_sasl_appname(spice_server, "qemu"); 796 if (spice_server_init(spice_server, &core_interface) != 0) { 797 error_report("failed to initialize spice server"); 798 exit(1); 799 }; 800 using_spice = 1; 801 802 migration_state.notify = migration_state_notifier; 803 add_migration_state_change_notifier(&migration_state); 804 spice_migrate.base.sif = &migrate_interface.base; 805 qemu_spice.add_interface(&spice_migrate.base); 806 807 qemu_spice_input_init(); 808 809 qemu_spice_display_stop(); 810 811 g_free(x509_key_file); 812 g_free(x509_cert_file); 813 g_free(x509_cacert_file); 814 g_free(password); 815 816 #ifdef HAVE_SPICE_GL 817 if (qemu_opt_get_bool(opts, "gl", 0)) { 818 if ((port != 0) || (tls_port != 0)) { 819 error_report("SPICE GL support is local-only for now and " 820 "incompatible with -spice port/tls-port"); 821 exit(1); 822 } 823 if (egl_rendernode_init(qemu_opt_get(opts, "rendernode"), 824 DISPLAYGL_MODE_ON) != 0) { 825 error_report("Failed to initialize EGL render node for SPICE GL"); 826 exit(1); 827 } 828 display_opengl = 1; 829 spice_opengl = 1; 830 } 831 #endif 832 } 833 834 static int qemu_spice_add_interface(SpiceBaseInstance *sin) 835 { 836 if (!spice_server) { 837 if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) { 838 error_report("Oops: spice configured but not active"); 839 exit(1); 840 } 841 /* 842 * Create a spice server instance. 843 * It does *not* listen on the network. 844 * It handles QXL local rendering only. 845 * 846 * With a command line like '-vnc :0 -vga qxl' you'll end up here. 847 */ 848 spice_server = spice_server_new(); 849 spice_server_set_sasl_appname(spice_server, "qemu"); 850 spice_server_init(spice_server, &core_interface); 851 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); 852 } 853 854 return spice_server_add_interface(spice_server, sin); 855 } 856 857 static GSList *spice_consoles; 858 859 bool qemu_spice_have_display_interface(QemuConsole *con) 860 { 861 if (g_slist_find(spice_consoles, con)) { 862 return true; 863 } 864 return false; 865 } 866 867 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con) 868 { 869 if (g_slist_find(spice_consoles, con)) { 870 return -1; 871 } 872 qxlin->id = qemu_console_get_index(con); 873 spice_consoles = g_slist_append(spice_consoles, con); 874 return qemu_spice_add_interface(&qxlin->base); 875 } 876 877 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn) 878 { 879 time_t lifetime, now = time(NULL); 880 char *passwd; 881 882 if (now < auth_expires) { 883 passwd = auth_passwd; 884 lifetime = (auth_expires - now); 885 if (lifetime > INT_MAX) { 886 lifetime = INT_MAX; 887 } 888 } else { 889 passwd = NULL; 890 lifetime = 1; 891 } 892 return spice_server_set_ticket(spice_server, passwd, lifetime, 893 fail_if_conn, disconnect_if_conn); 894 } 895 896 static int qemu_spice_set_passwd(const char *passwd, 897 bool fail_if_conn, bool disconnect_if_conn) 898 { 899 if (strcmp(auth, "spice") != 0) { 900 return -1; 901 } 902 903 g_free(auth_passwd); 904 auth_passwd = g_strdup(passwd); 905 return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn); 906 } 907 908 static int qemu_spice_set_pw_expire(time_t expires) 909 { 910 auth_expires = expires; 911 return qemu_spice_set_ticket(false, false); 912 } 913 914 static int qemu_spice_display_add_client(int csock, int skipauth, int tls) 915 { 916 if (tls) { 917 return spice_server_add_ssl_client(spice_server, csock, skipauth); 918 } else { 919 return spice_server_add_client(spice_server, csock, skipauth); 920 } 921 } 922 923 void qemu_spice_display_start(void) 924 { 925 if (spice_display_is_running) { 926 return; 927 } 928 929 spice_display_is_running = true; 930 spice_server_vm_start(spice_server); 931 } 932 933 void qemu_spice_display_stop(void) 934 { 935 if (!spice_display_is_running) { 936 return; 937 } 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 struct QemuSpiceOps real_spice_ops = { 949 .init = qemu_spice_init, 950 .display_init = qemu_spice_display_init, 951 .migrate_info = qemu_spice_migrate_info, 952 .set_passwd = qemu_spice_set_passwd, 953 .set_pw_expire = qemu_spice_set_pw_expire, 954 .display_add_client = qemu_spice_display_add_client, 955 .add_interface = qemu_spice_add_interface, 956 .qmp_query = qmp_query_spice_real, 957 }; 958 959 static void spice_register_config(void) 960 { 961 qemu_spice = real_spice_ops; 962 qemu_add_opts(&qemu_spice_opts); 963 } 964 opts_init(spice_register_config); 965 module_opts("spice"); 966 967 #ifdef HAVE_SPICE_GL 968 module_dep("ui-opengl"); 969 #endif 970