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 "migration/misc.h" 38 #include "hw/pci/pci_bus.h" 39 #include "ui/spice-display.h" 40 41 /* core bits */ 42 43 static SpiceServer *spice_server; 44 static Notifier migration_state; 45 static const char *auth = "spice"; 46 static char *auth_passwd; 47 static time_t auth_expires = TIME_MAX; 48 static int spice_migration_completed; 49 static int spice_display_is_running; 50 static int spice_have_target_host; 51 52 static QemuThread me; 53 54 struct SpiceTimer { 55 QEMUTimer *timer; 56 }; 57 58 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque) 59 { 60 SpiceTimer *timer; 61 62 timer = g_malloc0(sizeof(*timer)); 63 timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque); 64 return timer; 65 } 66 67 static void timer_start(SpiceTimer *timer, uint32_t ms) 68 { 69 timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms); 70 } 71 72 static void timer_cancel(SpiceTimer *timer) 73 { 74 timer_del(timer->timer); 75 } 76 77 static void timer_remove(SpiceTimer *timer) 78 { 79 timer_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 *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", 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->has_auth = true; 522 info->auth = g_strdup(auth); 523 524 info->has_host = true; 525 info->host = g_strdup(addr ? addr : "*"); 526 527 info->has_compiled_version = true; 528 major = (SPICE_SERVER_VERSION & 0xff0000) >> 16; 529 minor = (SPICE_SERVER_VERSION & 0xff00) >> 8; 530 micro = SPICE_SERVER_VERSION & 0xff; 531 info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro); 532 533 if (port) { 534 info->has_port = true; 535 info->port = port; 536 } 537 if (tls_port) { 538 info->has_tls_port = true; 539 info->tls_port = tls_port; 540 } 541 542 info->mouse_mode = spice_server_is_server_mouse(spice_server) ? 543 SPICE_QUERY_MOUSE_MODE_SERVER : 544 SPICE_QUERY_MOUSE_MODE_CLIENT; 545 546 /* for compatibility with the original command */ 547 info->has_channels = true; 548 info->channels = qmp_query_spice_channels(); 549 550 return info; 551 } 552 553 static void migration_state_notifier(Notifier *notifier, void *data) 554 { 555 MigrationState *s = data; 556 557 if (!spice_have_target_host) { 558 return; 559 } 560 561 if (migration_in_setup(s)) { 562 spice_server_migrate_start(spice_server); 563 } else if (migration_has_finished(s) || 564 migration_in_postcopy_after_devices(s)) { 565 spice_server_migrate_end(spice_server, true); 566 spice_have_target_host = false; 567 } else if (migration_has_failed(s)) { 568 spice_server_migrate_end(spice_server, false); 569 spice_have_target_host = false; 570 } 571 } 572 573 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port, 574 const char *subject) 575 { 576 int ret; 577 578 ret = spice_server_migrate_connect(spice_server, hostname, 579 port, tls_port, subject); 580 spice_have_target_host = true; 581 return ret; 582 } 583 584 static int add_channel(void *opaque, const char *name, const char *value, 585 Error **errp) 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_setg(errp, "spice: tried to setup tls-channel" 594 " without specifying a TLS port"); 595 return -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_setg(errp, "spice: failed to set channel security for %s", 612 value); 613 return -1; 614 } 615 return 0; 616 } 617 618 static void vm_change_state_handler(void *opaque, int running, 619 RunState state) 620 { 621 if (running) { 622 qemu_spice_display_start(); 623 } else if (state != RUN_STATE_PAUSED) { 624 qemu_spice_display_stop(); 625 } 626 } 627 628 static void qemu_spice_init(void) 629 { 630 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 631 const char *password, *str, *x509_dir, *addr, 632 *x509_key_password = NULL, 633 *x509_dh_file = NULL, 634 *tls_ciphers = NULL; 635 char *x509_key_file = NULL, 636 *x509_cert_file = NULL, 637 *x509_cacert_file = NULL; 638 int port, tls_port, addr_flags; 639 spice_image_compression_t compression; 640 spice_wan_compression_t wan_compr; 641 bool seamless_migration; 642 643 qemu_thread_get_self(&me); 644 645 if (!opts) { 646 return; 647 } 648 port = qemu_opt_get_number(opts, "port", 0); 649 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 650 if (port < 0 || port > 65535) { 651 error_report("spice port is out of range"); 652 exit(1); 653 } 654 if (tls_port < 0 || tls_port > 65535) { 655 error_report("spice tls-port is out of range"); 656 exit(1); 657 } 658 password = qemu_opt_get(opts, "password"); 659 660 if (tls_port) { 661 x509_dir = qemu_opt_get(opts, "x509-dir"); 662 if (!x509_dir) { 663 x509_dir = "."; 664 } 665 666 str = qemu_opt_get(opts, "x509-key-file"); 667 if (str) { 668 x509_key_file = g_strdup(str); 669 } else { 670 x509_key_file = g_strdup_printf("%s/%s", x509_dir, 671 X509_SERVER_KEY_FILE); 672 } 673 674 str = qemu_opt_get(opts, "x509-cert-file"); 675 if (str) { 676 x509_cert_file = g_strdup(str); 677 } else { 678 x509_cert_file = g_strdup_printf("%s/%s", x509_dir, 679 X509_SERVER_CERT_FILE); 680 } 681 682 str = qemu_opt_get(opts, "x509-cacert-file"); 683 if (str) { 684 x509_cacert_file = g_strdup(str); 685 } else { 686 x509_cacert_file = g_strdup_printf("%s/%s", x509_dir, 687 X509_CA_CERT_FILE); 688 } 689 690 x509_key_password = qemu_opt_get(opts, "x509-key-password"); 691 x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file"); 692 tls_ciphers = qemu_opt_get(opts, "tls-ciphers"); 693 } 694 695 addr = qemu_opt_get(opts, "addr"); 696 addr_flags = 0; 697 if (qemu_opt_get_bool(opts, "ipv4", 0)) { 698 addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY; 699 } else if (qemu_opt_get_bool(opts, "ipv6", 0)) { 700 addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY; 701 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY 702 } else if (qemu_opt_get_bool(opts, "unix", 0)) { 703 addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY; 704 #endif 705 } 706 707 spice_server = spice_server_new(); 708 spice_server_set_addr(spice_server, addr ? addr : "", addr_flags); 709 if (port) { 710 spice_server_set_port(spice_server, port); 711 } 712 if (tls_port) { 713 spice_server_set_tls(spice_server, tls_port, 714 x509_cacert_file, 715 x509_cert_file, 716 x509_key_file, 717 x509_key_password, 718 x509_dh_file, 719 tls_ciphers); 720 } 721 if (password) { 722 qemu_spice.set_passwd(password, false, false); 723 } 724 if (qemu_opt_get_bool(opts, "sasl", 0)) { 725 if (spice_server_set_sasl(spice_server, 1) == -1) { 726 error_report("spice: failed to enable sasl"); 727 exit(1); 728 } 729 auth = "sasl"; 730 } 731 if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) { 732 auth = "none"; 733 spice_server_set_noauth(spice_server); 734 } 735 736 if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) { 737 spice_server_set_agent_copypaste(spice_server, false); 738 } 739 740 if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) { 741 spice_server_set_agent_file_xfer(spice_server, false); 742 } 743 744 compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ; 745 str = qemu_opt_get(opts, "image-compression"); 746 if (str) { 747 compression = parse_compression(str); 748 } 749 spice_server_set_image_compression(spice_server, compression); 750 751 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 752 str = qemu_opt_get(opts, "jpeg-wan-compression"); 753 if (str) { 754 wan_compr = parse_wan_compression(str); 755 } 756 spice_server_set_jpeg_compression(spice_server, wan_compr); 757 758 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 759 str = qemu_opt_get(opts, "zlib-glz-wan-compression"); 760 if (str) { 761 wan_compr = parse_wan_compression(str); 762 } 763 spice_server_set_zlib_glz_compression(spice_server, wan_compr); 764 765 str = qemu_opt_get(opts, "streaming-video"); 766 if (str) { 767 int streaming_video = parse_stream_video(str); 768 spice_server_set_streaming_video(spice_server, streaming_video); 769 } else { 770 spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF); 771 } 772 773 spice_server_set_agent_mouse 774 (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1)); 775 spice_server_set_playback_compression 776 (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1)); 777 778 qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal); 779 780 spice_server_set_name(spice_server, qemu_name ?: "QEMU " QEMU_VERSION); 781 spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid); 782 783 seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0); 784 spice_server_set_seamless_migration(spice_server, seamless_migration); 785 spice_server_set_sasl_appname(spice_server, "qemu"); 786 if (spice_server_init(spice_server, &core_interface) != 0) { 787 error_report("failed to initialize spice server"); 788 exit(1); 789 }; 790 using_spice = 1; 791 792 migration_state.notify = migration_state_notifier; 793 add_migration_state_change_notifier(&migration_state); 794 spice_migrate.base.sif = &migrate_interface.base; 795 qemu_spice.add_interface(&spice_migrate.base); 796 797 qemu_spice_input_init(); 798 799 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); 800 qemu_spice_display_stop(); 801 802 g_free(x509_key_file); 803 g_free(x509_cert_file); 804 g_free(x509_cacert_file); 805 806 #ifdef HAVE_SPICE_GL 807 if (qemu_opt_get_bool(opts, "gl", 0)) { 808 if ((port != 0) || (tls_port != 0)) { 809 error_report("SPICE GL support is local-only for now and " 810 "incompatible with -spice port/tls-port"); 811 exit(1); 812 } 813 if (egl_rendernode_init(qemu_opt_get(opts, "rendernode"), 814 DISPLAYGL_MODE_ON) != 0) { 815 error_report("Failed to initialize EGL render node for SPICE GL"); 816 exit(1); 817 } 818 display_opengl = 1; 819 spice_opengl = 1; 820 } 821 #endif 822 } 823 824 static int qemu_spice_add_interface(SpiceBaseInstance *sin) 825 { 826 if (!spice_server) { 827 if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) { 828 error_report("Oops: spice configured but not active"); 829 exit(1); 830 } 831 /* 832 * Create a spice server instance. 833 * It does *not* listen on the network. 834 * It handles QXL local rendering only. 835 * 836 * With a command line like '-vnc :0 -vga qxl' you'll end up here. 837 */ 838 spice_server = spice_server_new(); 839 spice_server_set_sasl_appname(spice_server, "qemu"); 840 spice_server_init(spice_server, &core_interface); 841 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); 842 } 843 844 return spice_server_add_interface(spice_server, sin); 845 } 846 847 static GSList *spice_consoles; 848 849 bool qemu_spice_have_display_interface(QemuConsole *con) 850 { 851 if (g_slist_find(spice_consoles, con)) { 852 return true; 853 } 854 return false; 855 } 856 857 /* 858 * Recursively (in reverse order) appends addresses of PCI devices as it moves 859 * up in the PCI hierarchy. 860 * 861 * @returns true on success, false when the buffer wasn't large enough 862 */ 863 static bool append_pci_address(char *buf, size_t buf_size, const PCIDevice *pci) 864 { 865 PCIBus *bus = pci_get_bus(pci); 866 /* 867 * equivalent to if (!pci_bus_is_root(bus)), but the function is not built 868 * with PCI_CONFIG=n, avoid using an #ifdef by checking directly 869 */ 870 if (bus->parent_dev != NULL) { 871 append_pci_address(buf, buf_size, bus->parent_dev); 872 } 873 874 size_t len = strlen(buf); 875 ssize_t written = snprintf(buf + len, buf_size - len, "/%02x.%x", 876 PCI_SLOT(pci->devfn), PCI_FUNC(pci->devfn)); 877 878 return written > 0 && written < buf_size - len; 879 } 880 881 bool qemu_spice_fill_device_address(QemuConsole *con, 882 char *device_address, 883 size_t size) 884 { 885 DeviceState *dev = DEVICE(object_property_get_link(OBJECT(con), 886 "device", 887 &error_abort)); 888 PCIDevice *pci = (PCIDevice *) object_dynamic_cast(OBJECT(dev), 889 TYPE_PCI_DEVICE); 890 891 if (pci == NULL) { 892 warn_report("Setting device address of a display device to SPICE: " 893 "Not a PCI device."); 894 return false; 895 } 896 897 strncpy(device_address, "pci/0000", size); 898 if (!append_pci_address(device_address, size, pci)) { 899 warn_report("Setting device address of a display device to SPICE: " 900 "Too many PCI devices in the chain."); 901 return false; 902 } 903 904 return true; 905 } 906 907 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con) 908 { 909 if (g_slist_find(spice_consoles, con)) { 910 return -1; 911 } 912 qxlin->id = qemu_console_get_index(con); 913 spice_consoles = g_slist_append(spice_consoles, con); 914 return qemu_spice_add_interface(&qxlin->base); 915 } 916 917 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn) 918 { 919 time_t lifetime, now = time(NULL); 920 char *passwd; 921 922 if (now < auth_expires) { 923 passwd = auth_passwd; 924 lifetime = (auth_expires - now); 925 if (lifetime > INT_MAX) { 926 lifetime = INT_MAX; 927 } 928 } else { 929 passwd = NULL; 930 lifetime = 1; 931 } 932 return spice_server_set_ticket(spice_server, passwd, lifetime, 933 fail_if_conn, disconnect_if_conn); 934 } 935 936 static int qemu_spice_set_passwd(const char *passwd, 937 bool fail_if_conn, bool disconnect_if_conn) 938 { 939 if (strcmp(auth, "spice") != 0) { 940 return -1; 941 } 942 943 g_free(auth_passwd); 944 auth_passwd = g_strdup(passwd); 945 return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn); 946 } 947 948 static int qemu_spice_set_pw_expire(time_t expires) 949 { 950 auth_expires = expires; 951 return qemu_spice_set_ticket(false, false); 952 } 953 954 static int qemu_spice_display_add_client(int csock, int skipauth, int tls) 955 { 956 if (tls) { 957 return spice_server_add_ssl_client(spice_server, csock, skipauth); 958 } else { 959 return spice_server_add_client(spice_server, csock, skipauth); 960 } 961 } 962 963 void qemu_spice_display_start(void) 964 { 965 if (spice_display_is_running) { 966 return; 967 } 968 969 spice_display_is_running = true; 970 spice_server_vm_start(spice_server); 971 } 972 973 void qemu_spice_display_stop(void) 974 { 975 if (!spice_display_is_running) { 976 return; 977 } 978 979 spice_server_vm_stop(spice_server); 980 spice_display_is_running = false; 981 } 982 983 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd) 984 { 985 return spice_display_is_running; 986 } 987 988 static struct QemuSpiceOps real_spice_ops = { 989 .init = qemu_spice_init, 990 .display_init = qemu_spice_display_init, 991 .migrate_info = qemu_spice_migrate_info, 992 .set_passwd = qemu_spice_set_passwd, 993 .set_pw_expire = qemu_spice_set_pw_expire, 994 .display_add_client = qemu_spice_display_add_client, 995 .add_interface = qemu_spice_add_interface, 996 .qmp_query = qmp_query_spice_real, 997 }; 998 999 static void spice_register_config(void) 1000 { 1001 qemu_spice = real_spice_ops; 1002 qemu_add_opts(&qemu_spice_opts); 1003 } 1004 opts_init(spice_register_config); 1005