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 int fd = watch->fd; 94 95 #ifdef WIN32 96 fd = _get_osfhandle(fd); 97 #endif 98 watch->func(fd, SPICE_WATCH_EVENT_READ, watch->opaque); 99 } 100 101 static void watch_write(void *opaque) 102 { 103 SpiceWatch *watch = opaque; 104 int fd = watch->fd; 105 106 #ifdef WIN32 107 fd = _get_osfhandle(fd); 108 #endif 109 watch->func(fd, SPICE_WATCH_EVENT_WRITE, watch->opaque); 110 } 111 112 static void watch_update_mask(SpiceWatch *watch, int event_mask) 113 { 114 IOHandler *on_read = NULL; 115 IOHandler *on_write = NULL; 116 117 if (event_mask & SPICE_WATCH_EVENT_READ) { 118 on_read = watch_read; 119 } 120 if (event_mask & SPICE_WATCH_EVENT_WRITE) { 121 on_write = watch_write; 122 } 123 qemu_set_fd_handler(watch->fd, on_read, on_write, watch); 124 } 125 126 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque) 127 { 128 SpiceWatch *watch; 129 130 #ifdef WIN32 131 fd = _open_osfhandle(fd, _O_BINARY); 132 if (fd < 0) { 133 error_setg_win32(&error_warn, WSAGetLastError(), "Couldn't associate a FD with the SOCKET"); 134 return NULL; 135 } 136 #endif 137 138 watch = g_malloc0(sizeof(*watch)); 139 watch->fd = fd; 140 watch->func = func; 141 watch->opaque = opaque; 142 143 watch_update_mask(watch, event_mask); 144 return watch; 145 } 146 147 static void watch_remove(SpiceWatch *watch) 148 { 149 qemu_set_fd_handler(watch->fd, NULL, NULL, NULL); 150 #ifdef WIN32 151 /* SOCKET is owned by spice */ 152 qemu_close_socket_osfhandle(watch->fd); 153 #endif 154 g_free(watch); 155 } 156 157 typedef struct ChannelList ChannelList; 158 struct ChannelList { 159 SpiceChannelEventInfo *info; 160 QTAILQ_ENTRY(ChannelList) link; 161 }; 162 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list); 163 164 static void channel_list_add(SpiceChannelEventInfo *info) 165 { 166 ChannelList *item; 167 168 item = g_malloc0(sizeof(*item)); 169 item->info = info; 170 QTAILQ_INSERT_TAIL(&channel_list, item, link); 171 } 172 173 static void channel_list_del(SpiceChannelEventInfo *info) 174 { 175 ChannelList *item; 176 177 QTAILQ_FOREACH(item, &channel_list, link) { 178 if (item->info != info) { 179 continue; 180 } 181 QTAILQ_REMOVE(&channel_list, item, link); 182 g_free(item); 183 return; 184 } 185 } 186 187 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len) 188 { 189 char host[NI_MAXHOST], port[NI_MAXSERV]; 190 191 getnameinfo(addr, len, host, sizeof(host), port, sizeof(port), 192 NI_NUMERICHOST | NI_NUMERICSERV); 193 194 info->host = g_strdup(host); 195 info->port = g_strdup(port); 196 info->family = inet_netfamily(addr->sa_family); 197 } 198 199 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info) 200 { 201 int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; 202 203 sc->connection_id = info->connection_id; 204 sc->channel_type = info->type; 205 sc->channel_id = info->id; 206 sc->tls = !!tls; 207 } 208 209 static void channel_event(int event, SpiceChannelEventInfo *info) 210 { 211 SpiceServerInfo *server = g_malloc0(sizeof(*server)); 212 SpiceChannel *client = g_malloc0(sizeof(*client)); 213 214 /* 215 * Spice server might have called us from spice worker thread 216 * context (happens on display channel disconnects). Spice should 217 * not do that. It isn't that easy to fix it in spice and even 218 * when it is fixed we still should cover the already released 219 * spice versions. So detect that we've been called from another 220 * thread and grab the BQL if so before calling qemu 221 * functions. 222 */ 223 bool need_lock = !qemu_thread_is_self(&me); 224 if (need_lock) { 225 bql_lock(); 226 } 227 228 if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) { 229 add_addr_info(qapi_SpiceChannel_base(client), 230 (struct sockaddr *)&info->paddr_ext, 231 info->plen_ext); 232 add_addr_info(qapi_SpiceServerInfo_base(server), 233 (struct sockaddr *)&info->laddr_ext, 234 info->llen_ext); 235 } else { 236 error_report("spice: %s, extended address is expected", 237 __func__); 238 } 239 240 switch (event) { 241 case SPICE_CHANNEL_EVENT_CONNECTED: 242 qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server), 243 qapi_SpiceChannel_base(client)); 244 break; 245 case SPICE_CHANNEL_EVENT_INITIALIZED: 246 if (auth) { 247 server->auth = g_strdup(auth); 248 } 249 add_channel_info(client, info); 250 channel_list_add(info); 251 qapi_event_send_spice_initialized(server, client); 252 break; 253 case SPICE_CHANNEL_EVENT_DISCONNECTED: 254 channel_list_del(info); 255 qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server), 256 qapi_SpiceChannel_base(client)); 257 break; 258 default: 259 break; 260 } 261 262 if (need_lock) { 263 bql_unlock(); 264 } 265 266 qapi_free_SpiceServerInfo(server); 267 qapi_free_SpiceChannel(client); 268 } 269 270 static SpiceCoreInterface core_interface = { 271 .base.type = SPICE_INTERFACE_CORE, 272 .base.description = "qemu core services", 273 .base.major_version = SPICE_INTERFACE_CORE_MAJOR, 274 .base.minor_version = SPICE_INTERFACE_CORE_MINOR, 275 276 .timer_add = timer_add, 277 .timer_start = timer_start, 278 .timer_cancel = timer_cancel, 279 .timer_remove = timer_remove, 280 281 .watch_add = watch_add, 282 .watch_update_mask = watch_update_mask, 283 .watch_remove = watch_remove, 284 285 .channel_event = channel_event, 286 }; 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 SpiceMigrateInstance spice_migrate; 301 302 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin) 303 { 304 /* nothing, but libspice-server expects this cb being present. */ 305 } 306 307 static void migrate_end_complete_cb(SpiceMigrateInstance *sin) 308 { 309 qapi_event_send_spice_migrate_completed(); 310 spice_migration_completed = true; 311 } 312 313 /* config string parsing */ 314 315 static int name2enum(const char *string, const char *table[], int entries) 316 { 317 int i; 318 319 if (string) { 320 for (i = 0; i < entries; i++) { 321 if (!table[i]) { 322 continue; 323 } 324 if (strcmp(string, table[i]) != 0) { 325 continue; 326 } 327 return i; 328 } 329 } 330 return -1; 331 } 332 333 static int parse_name(const char *string, const char *optname, 334 const char *table[], int entries) 335 { 336 int value = name2enum(string, table, entries); 337 338 if (value != -1) { 339 return value; 340 } 341 error_report("spice: invalid %s: %s", optname, string); 342 exit(1); 343 } 344 345 static const char *stream_video_names[] = { 346 [ SPICE_STREAM_VIDEO_OFF ] = "off", 347 [ SPICE_STREAM_VIDEO_ALL ] = "all", 348 [ SPICE_STREAM_VIDEO_FILTER ] = "filter", 349 }; 350 #define parse_stream_video(_name) \ 351 parse_name(_name, "stream video control", \ 352 stream_video_names, ARRAY_SIZE(stream_video_names)) 353 354 static const char *compression_names[] = { 355 [ SPICE_IMAGE_COMPRESS_OFF ] = "off", 356 [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz", 357 [ SPICE_IMAGE_COMPRESS_AUTO_LZ ] = "auto_lz", 358 [ SPICE_IMAGE_COMPRESS_QUIC ] = "quic", 359 [ SPICE_IMAGE_COMPRESS_GLZ ] = "glz", 360 [ SPICE_IMAGE_COMPRESS_LZ ] = "lz", 361 }; 362 #define parse_compression(_name) \ 363 parse_name(_name, "image compression", \ 364 compression_names, ARRAY_SIZE(compression_names)) 365 366 static const char *wan_compression_names[] = { 367 [ SPICE_WAN_COMPRESSION_AUTO ] = "auto", 368 [ SPICE_WAN_COMPRESSION_NEVER ] = "never", 369 [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always", 370 }; 371 #define parse_wan_compression(_name) \ 372 parse_name(_name, "wan compression", \ 373 wan_compression_names, ARRAY_SIZE(wan_compression_names)) 374 375 /* functions for the rest of qemu */ 376 377 static SpiceChannelList *qmp_query_spice_channels(void) 378 { 379 SpiceChannelList *head = NULL, **tail = &head; 380 ChannelList *item; 381 382 QTAILQ_FOREACH(item, &channel_list, link) { 383 SpiceChannel *chan; 384 char host[NI_MAXHOST], port[NI_MAXSERV]; 385 struct sockaddr *paddr; 386 socklen_t plen; 387 388 assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT); 389 390 chan = g_malloc0(sizeof(*chan)); 391 392 paddr = (struct sockaddr *)&item->info->paddr_ext; 393 plen = item->info->plen_ext; 394 getnameinfo(paddr, plen, 395 host, sizeof(host), port, sizeof(port), 396 NI_NUMERICHOST | NI_NUMERICSERV); 397 chan->host = g_strdup(host); 398 chan->port = g_strdup(port); 399 chan->family = inet_netfamily(paddr->sa_family); 400 401 chan->connection_id = item->info->connection_id; 402 chan->channel_type = item->info->type; 403 chan->channel_id = item->info->id; 404 chan->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; 405 406 QAPI_LIST_APPEND(tail, chan); 407 } 408 409 return head; 410 } 411 412 static QemuOptsList qemu_spice_opts = { 413 .name = "spice", 414 .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head), 415 .merge_lists = true, 416 .desc = { 417 { 418 .name = "port", 419 .type = QEMU_OPT_NUMBER, 420 },{ 421 .name = "tls-port", 422 .type = QEMU_OPT_NUMBER, 423 },{ 424 .name = "addr", 425 .type = QEMU_OPT_STRING, 426 },{ 427 .name = "ipv4", 428 .type = QEMU_OPT_BOOL, 429 },{ 430 .name = "ipv6", 431 .type = QEMU_OPT_BOOL, 432 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY 433 },{ 434 .name = "unix", 435 .type = QEMU_OPT_BOOL, 436 #endif 437 },{ 438 .name = "password-secret", 439 .type = QEMU_OPT_STRING, 440 },{ 441 .name = "disable-ticketing", 442 .type = QEMU_OPT_BOOL, 443 },{ 444 .name = "disable-copy-paste", 445 .type = QEMU_OPT_BOOL, 446 },{ 447 .name = "disable-agent-file-xfer", 448 .type = QEMU_OPT_BOOL, 449 },{ 450 .name = "sasl", 451 .type = QEMU_OPT_BOOL, 452 },{ 453 .name = "x509-dir", 454 .type = QEMU_OPT_STRING, 455 },{ 456 .name = "x509-key-file", 457 .type = QEMU_OPT_STRING, 458 },{ 459 .name = "x509-key-password", 460 .type = QEMU_OPT_STRING, 461 },{ 462 .name = "x509-cert-file", 463 .type = QEMU_OPT_STRING, 464 },{ 465 .name = "x509-cacert-file", 466 .type = QEMU_OPT_STRING, 467 },{ 468 .name = "x509-dh-key-file", 469 .type = QEMU_OPT_STRING, 470 },{ 471 .name = "tls-ciphers", 472 .type = QEMU_OPT_STRING, 473 },{ 474 .name = "tls-channel", 475 .type = QEMU_OPT_STRING, 476 },{ 477 .name = "plaintext-channel", 478 .type = QEMU_OPT_STRING, 479 },{ 480 .name = "image-compression", 481 .type = QEMU_OPT_STRING, 482 },{ 483 .name = "jpeg-wan-compression", 484 .type = QEMU_OPT_STRING, 485 },{ 486 .name = "zlib-glz-wan-compression", 487 .type = QEMU_OPT_STRING, 488 },{ 489 .name = "streaming-video", 490 .type = QEMU_OPT_STRING, 491 },{ 492 .name = "agent-mouse", 493 .type = QEMU_OPT_BOOL, 494 },{ 495 .name = "playback-compression", 496 .type = QEMU_OPT_BOOL, 497 },{ 498 .name = "seamless-migration", 499 .type = QEMU_OPT_BOOL, 500 },{ 501 .name = "display", 502 .type = QEMU_OPT_STRING, 503 },{ 504 .name = "head", 505 .type = QEMU_OPT_NUMBER, 506 #ifdef HAVE_SPICE_GL 507 },{ 508 .name = "gl", 509 .type = QEMU_OPT_BOOL, 510 },{ 511 .name = "rendernode", 512 .type = QEMU_OPT_STRING, 513 #endif 514 }, 515 { /* end of list */ } 516 }, 517 }; 518 519 static SpiceInfo *qmp_query_spice_real(Error **errp) 520 { 521 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 522 int port, tls_port; 523 const char *addr; 524 SpiceInfo *info; 525 unsigned int major; 526 unsigned int minor; 527 unsigned int micro; 528 529 info = g_malloc0(sizeof(*info)); 530 531 if (!spice_server || !opts) { 532 info->enabled = false; 533 return info; 534 } 535 536 info->enabled = true; 537 info->migrated = spice_migration_completed; 538 539 addr = qemu_opt_get(opts, "addr"); 540 port = qemu_opt_get_number(opts, "port", 0); 541 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 542 543 info->auth = g_strdup(auth); 544 info->host = g_strdup(addr ? addr : "*"); 545 546 major = (SPICE_SERVER_VERSION & 0xff0000) >> 16; 547 minor = (SPICE_SERVER_VERSION & 0xff00) >> 8; 548 micro = SPICE_SERVER_VERSION & 0xff; 549 info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro); 550 551 if (port) { 552 info->has_port = true; 553 info->port = port; 554 } 555 if (tls_port) { 556 info->has_tls_port = true; 557 info->tls_port = tls_port; 558 } 559 560 info->mouse_mode = spice_server_is_server_mouse(spice_server) ? 561 SPICE_QUERY_MOUSE_MODE_SERVER : 562 SPICE_QUERY_MOUSE_MODE_CLIENT; 563 564 /* for compatibility with the original command */ 565 info->has_channels = true; 566 info->channels = qmp_query_spice_channels(); 567 568 return info; 569 } 570 571 static void migration_state_notifier(Notifier *notifier, void *data) 572 { 573 MigrationState *s = data; 574 575 if (!spice_have_target_host) { 576 return; 577 } 578 579 if (migration_in_setup(s)) { 580 spice_server_migrate_start(spice_server); 581 } else if (migration_has_finished(s) || 582 migration_in_postcopy_after_devices(s)) { 583 spice_server_migrate_end(spice_server, true); 584 spice_have_target_host = false; 585 } else if (migration_has_failed(s)) { 586 spice_server_migrate_end(spice_server, false); 587 spice_have_target_host = false; 588 } 589 } 590 591 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port, 592 const char *subject) 593 { 594 int ret; 595 596 ret = spice_server_migrate_connect(spice_server, hostname, 597 port, tls_port, subject); 598 spice_have_target_host = true; 599 return ret; 600 } 601 602 static int add_channel(void *opaque, const char *name, const char *value, 603 Error **errp) 604 { 605 int security = 0; 606 int rc; 607 608 if (strcmp(name, "tls-channel") == 0) { 609 int *tls_port = opaque; 610 if (!*tls_port) { 611 error_setg(errp, "spice: tried to setup tls-channel" 612 " without specifying a TLS port"); 613 return -1; 614 } 615 security = SPICE_CHANNEL_SECURITY_SSL; 616 } 617 if (strcmp(name, "plaintext-channel") == 0) { 618 security = SPICE_CHANNEL_SECURITY_NONE; 619 } 620 if (security == 0) { 621 return 0; 622 } 623 if (strcmp(value, "default") == 0) { 624 rc = spice_server_set_channel_security(spice_server, NULL, security); 625 } else { 626 rc = spice_server_set_channel_security(spice_server, value, security); 627 } 628 if (rc != 0) { 629 error_setg(errp, "spice: failed to set channel security for %s", 630 value); 631 return -1; 632 } 633 return 0; 634 } 635 636 static void vm_change_state_handler(void *opaque, bool running, 637 RunState state) 638 { 639 if (running) { 640 qemu_spice_display_start(); 641 } else if (state != RUN_STATE_PAUSED) { 642 qemu_spice_display_stop(); 643 } 644 } 645 646 void qemu_spice_display_init_done(void) 647 { 648 if (runstate_is_running()) { 649 qemu_spice_display_start(); 650 } 651 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); 652 } 653 654 static void qemu_spice_init(void) 655 { 656 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 657 char *password = NULL; 658 const char *passwordSecret; 659 const char *str, *x509_dir, *addr, 660 *x509_key_password = NULL, 661 *x509_dh_file = NULL, 662 *tls_ciphers = NULL; 663 char *x509_key_file = NULL, 664 *x509_cert_file = NULL, 665 *x509_cacert_file = NULL; 666 int port, tls_port, addr_flags; 667 spice_image_compression_t compression; 668 spice_wan_compression_t wan_compr; 669 bool seamless_migration; 670 671 qemu_thread_get_self(&me); 672 673 if (!opts) { 674 return; 675 } 676 port = qemu_opt_get_number(opts, "port", 0); 677 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 678 if (port < 0 || port > 65535) { 679 error_report("spice port is out of range"); 680 exit(1); 681 } 682 if (tls_port < 0 || tls_port > 65535) { 683 error_report("spice tls-port is out of range"); 684 exit(1); 685 } 686 passwordSecret = qemu_opt_get(opts, "password-secret"); 687 if (passwordSecret) { 688 password = qcrypto_secret_lookup_as_utf8(passwordSecret, 689 &error_fatal); 690 } 691 692 if (tls_port) { 693 x509_dir = qemu_opt_get(opts, "x509-dir"); 694 if (!x509_dir) { 695 x509_dir = "."; 696 } 697 698 str = qemu_opt_get(opts, "x509-key-file"); 699 if (str) { 700 x509_key_file = g_strdup(str); 701 } else { 702 x509_key_file = g_strdup_printf("%s/%s", x509_dir, 703 X509_SERVER_KEY_FILE); 704 } 705 706 str = qemu_opt_get(opts, "x509-cert-file"); 707 if (str) { 708 x509_cert_file = g_strdup(str); 709 } else { 710 x509_cert_file = g_strdup_printf("%s/%s", x509_dir, 711 X509_SERVER_CERT_FILE); 712 } 713 714 str = qemu_opt_get(opts, "x509-cacert-file"); 715 if (str) { 716 x509_cacert_file = g_strdup(str); 717 } else { 718 x509_cacert_file = g_strdup_printf("%s/%s", x509_dir, 719 X509_CA_CERT_FILE); 720 } 721 722 x509_key_password = qemu_opt_get(opts, "x509-key-password"); 723 x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file"); 724 tls_ciphers = qemu_opt_get(opts, "tls-ciphers"); 725 } 726 727 addr = qemu_opt_get(opts, "addr"); 728 addr_flags = 0; 729 if (qemu_opt_get_bool(opts, "ipv4", 0)) { 730 addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY; 731 } else if (qemu_opt_get_bool(opts, "ipv6", 0)) { 732 addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY; 733 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY 734 } else if (qemu_opt_get_bool(opts, "unix", 0)) { 735 addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY; 736 #endif 737 } 738 739 spice_server = spice_server_new(); 740 spice_server_set_addr(spice_server, addr ? addr : "", addr_flags); 741 if (port) { 742 spice_server_set_port(spice_server, port); 743 } 744 if (tls_port) { 745 spice_server_set_tls(spice_server, tls_port, 746 x509_cacert_file, 747 x509_cert_file, 748 x509_key_file, 749 x509_key_password, 750 x509_dh_file, 751 tls_ciphers); 752 } 753 if (password) { 754 qemu_spice.set_passwd(password, false, false); 755 } 756 if (qemu_opt_get_bool(opts, "sasl", 0)) { 757 if (spice_server_set_sasl(spice_server, 1) == -1) { 758 error_report("spice: failed to enable sasl"); 759 exit(1); 760 } 761 auth = "sasl"; 762 } 763 if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) { 764 auth = "none"; 765 spice_server_set_noauth(spice_server); 766 } 767 768 if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) { 769 spice_server_set_agent_copypaste(spice_server, false); 770 } 771 772 if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) { 773 spice_server_set_agent_file_xfer(spice_server, false); 774 } 775 776 compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ; 777 str = qemu_opt_get(opts, "image-compression"); 778 if (str) { 779 compression = parse_compression(str); 780 } 781 spice_server_set_image_compression(spice_server, compression); 782 783 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 784 str = qemu_opt_get(opts, "jpeg-wan-compression"); 785 if (str) { 786 wan_compr = parse_wan_compression(str); 787 } 788 spice_server_set_jpeg_compression(spice_server, wan_compr); 789 790 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 791 str = qemu_opt_get(opts, "zlib-glz-wan-compression"); 792 if (str) { 793 wan_compr = parse_wan_compression(str); 794 } 795 spice_server_set_zlib_glz_compression(spice_server, wan_compr); 796 797 str = qemu_opt_get(opts, "streaming-video"); 798 if (str) { 799 int streaming_video = parse_stream_video(str); 800 spice_server_set_streaming_video(spice_server, streaming_video); 801 } else { 802 spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF); 803 } 804 805 spice_server_set_agent_mouse 806 (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1)); 807 spice_server_set_playback_compression 808 (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1)); 809 810 qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal); 811 812 spice_server_set_name(spice_server, qemu_name ?: "QEMU " QEMU_VERSION); 813 spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid); 814 815 seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0); 816 spice_server_set_seamless_migration(spice_server, seamless_migration); 817 spice_server_set_sasl_appname(spice_server, "qemu"); 818 if (spice_server_init(spice_server, &core_interface) != 0) { 819 error_report("failed to initialize spice server"); 820 exit(1); 821 }; 822 using_spice = 1; 823 824 migration_add_notifier(&migration_state, migration_state_notifier); 825 spice_migrate.base.sif = &migrate_interface.base; 826 qemu_spice.add_interface(&spice_migrate.base); 827 828 qemu_spice_input_init(); 829 830 qemu_spice_display_stop(); 831 832 g_free(x509_key_file); 833 g_free(x509_cert_file); 834 g_free(x509_cacert_file); 835 g_free(password); 836 837 #ifdef HAVE_SPICE_GL 838 if (qemu_opt_get_bool(opts, "gl", 0)) { 839 if ((port != 0) || (tls_port != 0)) { 840 error_report("SPICE GL support is local-only for now and " 841 "incompatible with -spice port/tls-port"); 842 exit(1); 843 } 844 egl_init(qemu_opt_get(opts, "rendernode"), DISPLAYGL_MODE_ON, &error_fatal); 845 spice_opengl = 1; 846 } 847 #endif 848 } 849 850 static int qemu_spice_add_interface(SpiceBaseInstance *sin) 851 { 852 if (!spice_server) { 853 if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) { 854 error_report("Oops: spice configured but not active"); 855 exit(1); 856 } 857 /* 858 * Create a spice server instance. 859 * It does *not* listen on the network. 860 * It handles QXL local rendering only. 861 * 862 * With a command line like '-vnc :0 -vga qxl' you'll end up here. 863 */ 864 spice_server = spice_server_new(); 865 spice_server_set_sasl_appname(spice_server, "qemu"); 866 spice_server_init(spice_server, &core_interface); 867 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); 868 } 869 870 return spice_server_add_interface(spice_server, sin); 871 } 872 873 static GSList *spice_consoles; 874 875 bool qemu_spice_have_display_interface(QemuConsole *con) 876 { 877 if (g_slist_find(spice_consoles, con)) { 878 return true; 879 } 880 return false; 881 } 882 883 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con) 884 { 885 if (g_slist_find(spice_consoles, con)) { 886 return -1; 887 } 888 qxlin->id = qemu_console_get_index(con); 889 spice_consoles = g_slist_append(spice_consoles, con); 890 return qemu_spice_add_interface(&qxlin->base); 891 } 892 893 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn) 894 { 895 time_t lifetime, now = time(NULL); 896 char *passwd; 897 898 if (now < auth_expires) { 899 passwd = auth_passwd; 900 lifetime = (auth_expires - now); 901 if (lifetime > INT_MAX) { 902 lifetime = INT_MAX; 903 } 904 } else { 905 passwd = NULL; 906 lifetime = 1; 907 } 908 return spice_server_set_ticket(spice_server, passwd, lifetime, 909 fail_if_conn, disconnect_if_conn); 910 } 911 912 static int qemu_spice_set_passwd(const char *passwd, 913 bool fail_if_conn, bool disconnect_if_conn) 914 { 915 if (strcmp(auth, "spice") != 0) { 916 return -1; 917 } 918 919 g_free(auth_passwd); 920 auth_passwd = g_strdup(passwd); 921 return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn); 922 } 923 924 static int qemu_spice_set_pw_expire(time_t expires) 925 { 926 auth_expires = expires; 927 return qemu_spice_set_ticket(false, false); 928 } 929 930 static int qemu_spice_display_add_client(int csock, int skipauth, int tls) 931 { 932 #ifdef WIN32 933 csock = qemu_close_socket_osfhandle(csock); 934 #endif 935 if (tls) { 936 return spice_server_add_ssl_client(spice_server, csock, skipauth); 937 } else { 938 return spice_server_add_client(spice_server, csock, skipauth); 939 } 940 } 941 942 void qemu_spice_display_start(void) 943 { 944 if (spice_display_is_running) { 945 return; 946 } 947 948 spice_display_is_running = true; 949 spice_server_vm_start(spice_server); 950 } 951 952 void qemu_spice_display_stop(void) 953 { 954 if (!spice_display_is_running) { 955 return; 956 } 957 958 spice_server_vm_stop(spice_server); 959 spice_display_is_running = false; 960 } 961 962 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd) 963 { 964 return spice_display_is_running; 965 } 966 967 static struct QemuSpiceOps real_spice_ops = { 968 .init = qemu_spice_init, 969 .display_init = qemu_spice_display_init, 970 .migrate_info = qemu_spice_migrate_info, 971 .set_passwd = qemu_spice_set_passwd, 972 .set_pw_expire = qemu_spice_set_pw_expire, 973 .display_add_client = qemu_spice_display_add_client, 974 .add_interface = qemu_spice_add_interface, 975 .qmp_query = qmp_query_spice_real, 976 }; 977 978 static void spice_register_config(void) 979 { 980 qemu_spice = real_spice_ops; 981 qemu_add_opts(&qemu_spice_opts); 982 } 983 opts_init(spice_register_config); 984 module_opts("spice"); 985 986 #ifdef HAVE_SPICE_GL 987 module_dep("ui-opengl"); 988 #endif 989