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->has_auth = true; 226 server->auth = g_strdup(auth); 227 } 228 add_channel_info(client, info); 229 channel_list_add(info); 230 qapi_event_send_spice_initialized(server, client); 231 break; 232 case SPICE_CHANNEL_EVENT_DISCONNECTED: 233 channel_list_del(info); 234 qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server), 235 qapi_SpiceChannel_base(client)); 236 break; 237 default: 238 break; 239 } 240 241 if (need_lock) { 242 qemu_mutex_unlock_iothread(); 243 } 244 245 qapi_free_SpiceServerInfo(server); 246 qapi_free_SpiceChannel(client); 247 } 248 249 static SpiceCoreInterface core_interface = { 250 .base.type = SPICE_INTERFACE_CORE, 251 .base.description = "qemu core services", 252 .base.major_version = SPICE_INTERFACE_CORE_MAJOR, 253 .base.minor_version = SPICE_INTERFACE_CORE_MINOR, 254 255 .timer_add = timer_add, 256 .timer_start = timer_start, 257 .timer_cancel = timer_cancel, 258 .timer_remove = timer_remove, 259 260 .watch_add = watch_add, 261 .watch_update_mask = watch_update_mask, 262 .watch_remove = watch_remove, 263 264 .channel_event = channel_event, 265 }; 266 267 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin); 268 static void migrate_end_complete_cb(SpiceMigrateInstance *sin); 269 270 static const SpiceMigrateInterface migrate_interface = { 271 .base.type = SPICE_INTERFACE_MIGRATION, 272 .base.description = "migration", 273 .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR, 274 .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR, 275 .migrate_connect_complete = migrate_connect_complete_cb, 276 .migrate_end_complete = migrate_end_complete_cb, 277 }; 278 279 static SpiceMigrateInstance spice_migrate; 280 281 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin) 282 { 283 /* nothing, but libspice-server expects this cb being present. */ 284 } 285 286 static void migrate_end_complete_cb(SpiceMigrateInstance *sin) 287 { 288 qapi_event_send_spice_migrate_completed(); 289 spice_migration_completed = true; 290 } 291 292 /* config string parsing */ 293 294 static int name2enum(const char *string, const char *table[], int entries) 295 { 296 int i; 297 298 if (string) { 299 for (i = 0; i < entries; i++) { 300 if (!table[i]) { 301 continue; 302 } 303 if (strcmp(string, table[i]) != 0) { 304 continue; 305 } 306 return i; 307 } 308 } 309 return -1; 310 } 311 312 static int parse_name(const char *string, const char *optname, 313 const char *table[], int entries) 314 { 315 int value = name2enum(string, table, entries); 316 317 if (value != -1) { 318 return value; 319 } 320 error_report("spice: invalid %s: %s", optname, string); 321 exit(1); 322 } 323 324 static const char *stream_video_names[] = { 325 [ SPICE_STREAM_VIDEO_OFF ] = "off", 326 [ SPICE_STREAM_VIDEO_ALL ] = "all", 327 [ SPICE_STREAM_VIDEO_FILTER ] = "filter", 328 }; 329 #define parse_stream_video(_name) \ 330 parse_name(_name, "stream video control", \ 331 stream_video_names, ARRAY_SIZE(stream_video_names)) 332 333 static const char *compression_names[] = { 334 [ SPICE_IMAGE_COMPRESS_OFF ] = "off", 335 [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz", 336 [ SPICE_IMAGE_COMPRESS_AUTO_LZ ] = "auto_lz", 337 [ SPICE_IMAGE_COMPRESS_QUIC ] = "quic", 338 [ SPICE_IMAGE_COMPRESS_GLZ ] = "glz", 339 [ SPICE_IMAGE_COMPRESS_LZ ] = "lz", 340 }; 341 #define parse_compression(_name) \ 342 parse_name(_name, "image compression", \ 343 compression_names, ARRAY_SIZE(compression_names)) 344 345 static const char *wan_compression_names[] = { 346 [ SPICE_WAN_COMPRESSION_AUTO ] = "auto", 347 [ SPICE_WAN_COMPRESSION_NEVER ] = "never", 348 [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always", 349 }; 350 #define parse_wan_compression(_name) \ 351 parse_name(_name, "wan compression", \ 352 wan_compression_names, ARRAY_SIZE(wan_compression_names)) 353 354 /* functions for the rest of qemu */ 355 356 static SpiceChannelList *qmp_query_spice_channels(void) 357 { 358 SpiceChannelList *head = NULL, **tail = &head; 359 ChannelList *item; 360 361 QTAILQ_FOREACH(item, &channel_list, link) { 362 SpiceChannel *chan; 363 char host[NI_MAXHOST], port[NI_MAXSERV]; 364 struct sockaddr *paddr; 365 socklen_t plen; 366 367 assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT); 368 369 chan = g_malloc0(sizeof(*chan)); 370 371 paddr = (struct sockaddr *)&item->info->paddr_ext; 372 plen = item->info->plen_ext; 373 getnameinfo(paddr, plen, 374 host, sizeof(host), port, sizeof(port), 375 NI_NUMERICHOST | NI_NUMERICSERV); 376 chan->host = g_strdup(host); 377 chan->port = g_strdup(port); 378 chan->family = inet_netfamily(paddr->sa_family); 379 380 chan->connection_id = item->info->connection_id; 381 chan->channel_type = item->info->type; 382 chan->channel_id = item->info->id; 383 chan->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; 384 385 QAPI_LIST_APPEND(tail, chan); 386 } 387 388 return head; 389 } 390 391 static QemuOptsList qemu_spice_opts = { 392 .name = "spice", 393 .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head), 394 .merge_lists = true, 395 .desc = { 396 { 397 .name = "port", 398 .type = QEMU_OPT_NUMBER, 399 },{ 400 .name = "tls-port", 401 .type = QEMU_OPT_NUMBER, 402 },{ 403 .name = "addr", 404 .type = QEMU_OPT_STRING, 405 },{ 406 .name = "ipv4", 407 .type = QEMU_OPT_BOOL, 408 },{ 409 .name = "ipv6", 410 .type = QEMU_OPT_BOOL, 411 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY 412 },{ 413 .name = "unix", 414 .type = QEMU_OPT_BOOL, 415 #endif 416 },{ 417 .name = "password", 418 .type = QEMU_OPT_STRING, 419 },{ 420 .name = "password-secret", 421 .type = QEMU_OPT_STRING, 422 },{ 423 .name = "disable-ticketing", 424 .type = QEMU_OPT_BOOL, 425 },{ 426 .name = "disable-copy-paste", 427 .type = QEMU_OPT_BOOL, 428 },{ 429 .name = "disable-agent-file-xfer", 430 .type = QEMU_OPT_BOOL, 431 },{ 432 .name = "sasl", 433 .type = QEMU_OPT_BOOL, 434 },{ 435 .name = "x509-dir", 436 .type = QEMU_OPT_STRING, 437 },{ 438 .name = "x509-key-file", 439 .type = QEMU_OPT_STRING, 440 },{ 441 .name = "x509-key-password", 442 .type = QEMU_OPT_STRING, 443 },{ 444 .name = "x509-cert-file", 445 .type = QEMU_OPT_STRING, 446 },{ 447 .name = "x509-cacert-file", 448 .type = QEMU_OPT_STRING, 449 },{ 450 .name = "x509-dh-key-file", 451 .type = QEMU_OPT_STRING, 452 },{ 453 .name = "tls-ciphers", 454 .type = QEMU_OPT_STRING, 455 },{ 456 .name = "tls-channel", 457 .type = QEMU_OPT_STRING, 458 },{ 459 .name = "plaintext-channel", 460 .type = QEMU_OPT_STRING, 461 },{ 462 .name = "image-compression", 463 .type = QEMU_OPT_STRING, 464 },{ 465 .name = "jpeg-wan-compression", 466 .type = QEMU_OPT_STRING, 467 },{ 468 .name = "zlib-glz-wan-compression", 469 .type = QEMU_OPT_STRING, 470 },{ 471 .name = "streaming-video", 472 .type = QEMU_OPT_STRING, 473 },{ 474 .name = "agent-mouse", 475 .type = QEMU_OPT_BOOL, 476 },{ 477 .name = "playback-compression", 478 .type = QEMU_OPT_BOOL, 479 },{ 480 .name = "seamless-migration", 481 .type = QEMU_OPT_BOOL, 482 },{ 483 .name = "display", 484 .type = QEMU_OPT_STRING, 485 },{ 486 .name = "head", 487 .type = QEMU_OPT_NUMBER, 488 #ifdef HAVE_SPICE_GL 489 },{ 490 .name = "gl", 491 .type = QEMU_OPT_BOOL, 492 },{ 493 .name = "rendernode", 494 .type = QEMU_OPT_STRING, 495 #endif 496 }, 497 { /* end of list */ } 498 }, 499 }; 500 501 static SpiceInfo *qmp_query_spice_real(Error **errp) 502 { 503 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 504 int port, tls_port; 505 const char *addr; 506 SpiceInfo *info; 507 unsigned int major; 508 unsigned int minor; 509 unsigned int micro; 510 511 info = g_malloc0(sizeof(*info)); 512 513 if (!spice_server || !opts) { 514 info->enabled = false; 515 return info; 516 } 517 518 info->enabled = true; 519 info->migrated = spice_migration_completed; 520 521 addr = qemu_opt_get(opts, "addr"); 522 port = qemu_opt_get_number(opts, "port", 0); 523 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 524 525 info->has_auth = true; 526 info->auth = g_strdup(auth); 527 528 info->has_host = true; 529 info->host = g_strdup(addr ? addr : "*"); 530 531 info->has_compiled_version = true; 532 major = (SPICE_SERVER_VERSION & 0xff0000) >> 16; 533 minor = (SPICE_SERVER_VERSION & 0xff00) >> 8; 534 micro = SPICE_SERVER_VERSION & 0xff; 535 info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro); 536 537 if (port) { 538 info->has_port = true; 539 info->port = port; 540 } 541 if (tls_port) { 542 info->has_tls_port = true; 543 info->tls_port = tls_port; 544 } 545 546 info->mouse_mode = spice_server_is_server_mouse(spice_server) ? 547 SPICE_QUERY_MOUSE_MODE_SERVER : 548 SPICE_QUERY_MOUSE_MODE_CLIENT; 549 550 /* for compatibility with the original command */ 551 info->has_channels = true; 552 info->channels = qmp_query_spice_channels(); 553 554 return info; 555 } 556 557 static void migration_state_notifier(Notifier *notifier, void *data) 558 { 559 MigrationState *s = data; 560 561 if (!spice_have_target_host) { 562 return; 563 } 564 565 if (migration_in_setup(s)) { 566 spice_server_migrate_start(spice_server); 567 } else if (migration_has_finished(s) || 568 migration_in_postcopy_after_devices(s)) { 569 spice_server_migrate_end(spice_server, true); 570 spice_have_target_host = false; 571 } else if (migration_has_failed(s)) { 572 spice_server_migrate_end(spice_server, false); 573 spice_have_target_host = false; 574 } 575 } 576 577 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port, 578 const char *subject) 579 { 580 int ret; 581 582 ret = spice_server_migrate_connect(spice_server, hostname, 583 port, tls_port, subject); 584 spice_have_target_host = true; 585 return ret; 586 } 587 588 static int add_channel(void *opaque, const char *name, const char *value, 589 Error **errp) 590 { 591 int security = 0; 592 int rc; 593 594 if (strcmp(name, "tls-channel") == 0) { 595 int *tls_port = opaque; 596 if (!*tls_port) { 597 error_setg(errp, "spice: tried to setup tls-channel" 598 " without specifying a TLS port"); 599 return -1; 600 } 601 security = SPICE_CHANNEL_SECURITY_SSL; 602 } 603 if (strcmp(name, "plaintext-channel") == 0) { 604 security = SPICE_CHANNEL_SECURITY_NONE; 605 } 606 if (security == 0) { 607 return 0; 608 } 609 if (strcmp(value, "default") == 0) { 610 rc = spice_server_set_channel_security(spice_server, NULL, security); 611 } else { 612 rc = spice_server_set_channel_security(spice_server, value, security); 613 } 614 if (rc != 0) { 615 error_setg(errp, "spice: failed to set channel security for %s", 616 value); 617 return -1; 618 } 619 return 0; 620 } 621 622 static void vm_change_state_handler(void *opaque, bool running, 623 RunState state) 624 { 625 if (running) { 626 qemu_spice_display_start(); 627 } else if (state != RUN_STATE_PAUSED) { 628 qemu_spice_display_stop(); 629 } 630 } 631 632 void qemu_spice_display_init_done(void) 633 { 634 if (runstate_is_running()) { 635 qemu_spice_display_start(); 636 } 637 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); 638 } 639 640 static void qemu_spice_init(void) 641 { 642 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 643 char *password = NULL; 644 const char *passwordSecret; 645 const char *str, *x509_dir, *addr, 646 *x509_key_password = NULL, 647 *x509_dh_file = NULL, 648 *tls_ciphers = NULL; 649 char *x509_key_file = NULL, 650 *x509_cert_file = NULL, 651 *x509_cacert_file = NULL; 652 int port, tls_port, addr_flags; 653 spice_image_compression_t compression; 654 spice_wan_compression_t wan_compr; 655 bool seamless_migration; 656 657 qemu_thread_get_self(&me); 658 659 if (!opts) { 660 return; 661 } 662 port = qemu_opt_get_number(opts, "port", 0); 663 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 664 if (port < 0 || port > 65535) { 665 error_report("spice port is out of range"); 666 exit(1); 667 } 668 if (tls_port < 0 || tls_port > 65535) { 669 error_report("spice tls-port is out of range"); 670 exit(1); 671 } 672 passwordSecret = qemu_opt_get(opts, "password-secret"); 673 if (passwordSecret) { 674 if (qemu_opt_get(opts, "password")) { 675 error_report("'password' option is mutually exclusive with " 676 "'password-secret'"); 677 exit(1); 678 } 679 password = qcrypto_secret_lookup_as_utf8(passwordSecret, 680 &error_fatal); 681 } else { 682 str = qemu_opt_get(opts, "password"); 683 if (str) { 684 warn_report("'password' option is deprecated and insecure, " 685 "use 'password-secret' instead"); 686 password = g_strdup(str); 687 } 688 } 689 690 if (tls_port) { 691 x509_dir = qemu_opt_get(opts, "x509-dir"); 692 if (!x509_dir) { 693 x509_dir = "."; 694 } 695 696 str = qemu_opt_get(opts, "x509-key-file"); 697 if (str) { 698 x509_key_file = g_strdup(str); 699 } else { 700 x509_key_file = g_strdup_printf("%s/%s", x509_dir, 701 X509_SERVER_KEY_FILE); 702 } 703 704 str = qemu_opt_get(opts, "x509-cert-file"); 705 if (str) { 706 x509_cert_file = g_strdup(str); 707 } else { 708 x509_cert_file = g_strdup_printf("%s/%s", x509_dir, 709 X509_SERVER_CERT_FILE); 710 } 711 712 str = qemu_opt_get(opts, "x509-cacert-file"); 713 if (str) { 714 x509_cacert_file = g_strdup(str); 715 } else { 716 x509_cacert_file = g_strdup_printf("%s/%s", x509_dir, 717 X509_CA_CERT_FILE); 718 } 719 720 x509_key_password = qemu_opt_get(opts, "x509-key-password"); 721 x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file"); 722 tls_ciphers = qemu_opt_get(opts, "tls-ciphers"); 723 } 724 725 addr = qemu_opt_get(opts, "addr"); 726 addr_flags = 0; 727 if (qemu_opt_get_bool(opts, "ipv4", 0)) { 728 addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY; 729 } else if (qemu_opt_get_bool(opts, "ipv6", 0)) { 730 addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY; 731 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY 732 } else if (qemu_opt_get_bool(opts, "unix", 0)) { 733 addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY; 734 #endif 735 } 736 737 spice_server = spice_server_new(); 738 spice_server_set_addr(spice_server, addr ? addr : "", addr_flags); 739 if (port) { 740 spice_server_set_port(spice_server, port); 741 } 742 if (tls_port) { 743 spice_server_set_tls(spice_server, tls_port, 744 x509_cacert_file, 745 x509_cert_file, 746 x509_key_file, 747 x509_key_password, 748 x509_dh_file, 749 tls_ciphers); 750 } 751 if (password) { 752 qemu_spice.set_passwd(password, false, false); 753 } 754 if (qemu_opt_get_bool(opts, "sasl", 0)) { 755 if (spice_server_set_sasl(spice_server, 1) == -1) { 756 error_report("spice: failed to enable sasl"); 757 exit(1); 758 } 759 auth = "sasl"; 760 } 761 if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) { 762 auth = "none"; 763 spice_server_set_noauth(spice_server); 764 } 765 766 if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) { 767 spice_server_set_agent_copypaste(spice_server, false); 768 } 769 770 if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) { 771 spice_server_set_agent_file_xfer(spice_server, false); 772 } 773 774 compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ; 775 str = qemu_opt_get(opts, "image-compression"); 776 if (str) { 777 compression = parse_compression(str); 778 } 779 spice_server_set_image_compression(spice_server, compression); 780 781 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 782 str = qemu_opt_get(opts, "jpeg-wan-compression"); 783 if (str) { 784 wan_compr = parse_wan_compression(str); 785 } 786 spice_server_set_jpeg_compression(spice_server, wan_compr); 787 788 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 789 str = qemu_opt_get(opts, "zlib-glz-wan-compression"); 790 if (str) { 791 wan_compr = parse_wan_compression(str); 792 } 793 spice_server_set_zlib_glz_compression(spice_server, wan_compr); 794 795 str = qemu_opt_get(opts, "streaming-video"); 796 if (str) { 797 int streaming_video = parse_stream_video(str); 798 spice_server_set_streaming_video(spice_server, streaming_video); 799 } else { 800 spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF); 801 } 802 803 spice_server_set_agent_mouse 804 (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1)); 805 spice_server_set_playback_compression 806 (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1)); 807 808 qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal); 809 810 spice_server_set_name(spice_server, qemu_name ?: "QEMU " QEMU_VERSION); 811 spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid); 812 813 seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0); 814 spice_server_set_seamless_migration(spice_server, seamless_migration); 815 spice_server_set_sasl_appname(spice_server, "qemu"); 816 if (spice_server_init(spice_server, &core_interface) != 0) { 817 error_report("failed to initialize spice server"); 818 exit(1); 819 }; 820 using_spice = 1; 821 822 migration_state.notify = migration_state_notifier; 823 add_migration_state_change_notifier(&migration_state); 824 spice_migrate.base.sif = &migrate_interface.base; 825 qemu_spice.add_interface(&spice_migrate.base); 826 827 qemu_spice_input_init(); 828 829 qemu_spice_display_stop(); 830 831 g_free(x509_key_file); 832 g_free(x509_cert_file); 833 g_free(x509_cacert_file); 834 g_free(password); 835 836 #ifdef HAVE_SPICE_GL 837 if (qemu_opt_get_bool(opts, "gl", 0)) { 838 if ((port != 0) || (tls_port != 0)) { 839 error_report("SPICE GL support is local-only for now and " 840 "incompatible with -spice port/tls-port"); 841 exit(1); 842 } 843 if (egl_rendernode_init(qemu_opt_get(opts, "rendernode"), 844 DISPLAYGL_MODE_ON) != 0) { 845 error_report("Failed to initialize EGL render node for SPICE GL"); 846 exit(1); 847 } 848 display_opengl = 1; 849 spice_opengl = 1; 850 } 851 #endif 852 } 853 854 static int qemu_spice_add_interface(SpiceBaseInstance *sin) 855 { 856 if (!spice_server) { 857 if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) { 858 error_report("Oops: spice configured but not active"); 859 exit(1); 860 } 861 /* 862 * Create a spice server instance. 863 * It does *not* listen on the network. 864 * It handles QXL local rendering only. 865 * 866 * With a command line like '-vnc :0 -vga qxl' you'll end up here. 867 */ 868 spice_server = spice_server_new(); 869 spice_server_set_sasl_appname(spice_server, "qemu"); 870 spice_server_init(spice_server, &core_interface); 871 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); 872 } 873 874 return spice_server_add_interface(spice_server, sin); 875 } 876 877 static GSList *spice_consoles; 878 879 bool qemu_spice_have_display_interface(QemuConsole *con) 880 { 881 if (g_slist_find(spice_consoles, con)) { 882 return true; 883 } 884 return false; 885 } 886 887 /* 888 * Recursively (in reverse order) appends addresses of PCI devices as it moves 889 * up in the PCI hierarchy. 890 * 891 * @returns true on success, false when the buffer wasn't large enough 892 */ 893 static bool append_pci_address(char *buf, size_t buf_size, const PCIDevice *pci) 894 { 895 PCIBus *bus = pci_get_bus(pci); 896 /* 897 * equivalent to if (!pci_bus_is_root(bus)), but the function is not built 898 * with PCI_CONFIG=n, avoid using an #ifdef by checking directly 899 */ 900 if (bus->parent_dev != NULL) { 901 append_pci_address(buf, buf_size, bus->parent_dev); 902 } 903 904 size_t len = strlen(buf); 905 ssize_t written = snprintf(buf + len, buf_size - len, "/%02x.%x", 906 PCI_SLOT(pci->devfn), PCI_FUNC(pci->devfn)); 907 908 return written > 0 && written < buf_size - len; 909 } 910 911 bool qemu_spice_fill_device_address(QemuConsole *con, 912 char *device_address, 913 size_t size) 914 { 915 DeviceState *dev = DEVICE(object_property_get_link(OBJECT(con), 916 "device", 917 &error_abort)); 918 PCIDevice *pci = (PCIDevice *) object_dynamic_cast(OBJECT(dev), 919 TYPE_PCI_DEVICE); 920 921 if (pci == NULL) { 922 warn_report("Setting device address of a display device to SPICE: " 923 "Not a PCI device."); 924 return false; 925 } 926 927 strncpy(device_address, "pci/0000", size); 928 if (!append_pci_address(device_address, size, pci)) { 929 warn_report("Setting device address of a display device to SPICE: " 930 "Too many PCI devices in the chain."); 931 return false; 932 } 933 934 return true; 935 } 936 937 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con) 938 { 939 if (g_slist_find(spice_consoles, con)) { 940 return -1; 941 } 942 qxlin->id = qemu_console_get_index(con); 943 spice_consoles = g_slist_append(spice_consoles, con); 944 return qemu_spice_add_interface(&qxlin->base); 945 } 946 947 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn) 948 { 949 time_t lifetime, now = time(NULL); 950 char *passwd; 951 952 if (now < auth_expires) { 953 passwd = auth_passwd; 954 lifetime = (auth_expires - now); 955 if (lifetime > INT_MAX) { 956 lifetime = INT_MAX; 957 } 958 } else { 959 passwd = NULL; 960 lifetime = 1; 961 } 962 return spice_server_set_ticket(spice_server, passwd, lifetime, 963 fail_if_conn, disconnect_if_conn); 964 } 965 966 static int qemu_spice_set_passwd(const char *passwd, 967 bool fail_if_conn, bool disconnect_if_conn) 968 { 969 if (strcmp(auth, "spice") != 0) { 970 return -1; 971 } 972 973 g_free(auth_passwd); 974 auth_passwd = g_strdup(passwd); 975 return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn); 976 } 977 978 static int qemu_spice_set_pw_expire(time_t expires) 979 { 980 auth_expires = expires; 981 return qemu_spice_set_ticket(false, false); 982 } 983 984 static int qemu_spice_display_add_client(int csock, int skipauth, int tls) 985 { 986 if (tls) { 987 return spice_server_add_ssl_client(spice_server, csock, skipauth); 988 } else { 989 return spice_server_add_client(spice_server, csock, skipauth); 990 } 991 } 992 993 void qemu_spice_display_start(void) 994 { 995 if (spice_display_is_running) { 996 return; 997 } 998 999 spice_display_is_running = true; 1000 spice_server_vm_start(spice_server); 1001 } 1002 1003 void qemu_spice_display_stop(void) 1004 { 1005 if (!spice_display_is_running) { 1006 return; 1007 } 1008 1009 spice_server_vm_stop(spice_server); 1010 spice_display_is_running = false; 1011 } 1012 1013 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd) 1014 { 1015 return spice_display_is_running; 1016 } 1017 1018 static struct QemuSpiceOps real_spice_ops = { 1019 .init = qemu_spice_init, 1020 .display_init = qemu_spice_display_init, 1021 .migrate_info = qemu_spice_migrate_info, 1022 .set_passwd = qemu_spice_set_passwd, 1023 .set_pw_expire = qemu_spice_set_pw_expire, 1024 .display_add_client = qemu_spice_display_add_client, 1025 .add_interface = qemu_spice_add_interface, 1026 .qmp_query = qmp_query_spice_real, 1027 }; 1028 1029 static void spice_register_config(void) 1030 { 1031 qemu_spice = real_spice_ops; 1032 qemu_add_opts(&qemu_spice_opts); 1033 } 1034 opts_init(spice_register_config); 1035 module_opts("spice"); 1036 1037 #ifdef HAVE_SPICE_GL 1038 module_dep("ui-opengl"); 1039 #endif 1040