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 int using_spice = 0; 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_del(timer->timer); 81 timer_free(timer->timer); 82 g_free(timer); 83 } 84 85 struct SpiceWatch { 86 int fd; 87 SpiceWatchFunc func; 88 void *opaque; 89 }; 90 91 static void watch_read(void *opaque) 92 { 93 SpiceWatch *watch = opaque; 94 watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque); 95 } 96 97 static void watch_write(void *opaque) 98 { 99 SpiceWatch *watch = opaque; 100 watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque); 101 } 102 103 static void watch_update_mask(SpiceWatch *watch, int event_mask) 104 { 105 IOHandler *on_read = NULL; 106 IOHandler *on_write = NULL; 107 108 if (event_mask & SPICE_WATCH_EVENT_READ) { 109 on_read = watch_read; 110 } 111 if (event_mask & SPICE_WATCH_EVENT_WRITE) { 112 on_write = watch_write; 113 } 114 qemu_set_fd_handler(watch->fd, on_read, on_write, watch); 115 } 116 117 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque) 118 { 119 SpiceWatch *watch; 120 121 watch = g_malloc0(sizeof(*watch)); 122 watch->fd = fd; 123 watch->func = func; 124 watch->opaque = opaque; 125 126 watch_update_mask(watch, event_mask); 127 return watch; 128 } 129 130 static void watch_remove(SpiceWatch *watch) 131 { 132 qemu_set_fd_handler(watch->fd, NULL, NULL, NULL); 133 g_free(watch); 134 } 135 136 typedef struct ChannelList ChannelList; 137 struct ChannelList { 138 SpiceChannelEventInfo *info; 139 QTAILQ_ENTRY(ChannelList) link; 140 }; 141 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list); 142 143 static void channel_list_add(SpiceChannelEventInfo *info) 144 { 145 ChannelList *item; 146 147 item = g_malloc0(sizeof(*item)); 148 item->info = info; 149 QTAILQ_INSERT_TAIL(&channel_list, item, link); 150 } 151 152 static void channel_list_del(SpiceChannelEventInfo *info) 153 { 154 ChannelList *item; 155 156 QTAILQ_FOREACH(item, &channel_list, link) { 157 if (item->info != info) { 158 continue; 159 } 160 QTAILQ_REMOVE(&channel_list, item, link); 161 g_free(item); 162 return; 163 } 164 } 165 166 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len) 167 { 168 char host[NI_MAXHOST], port[NI_MAXSERV]; 169 170 getnameinfo(addr, len, host, sizeof(host), port, sizeof(port), 171 NI_NUMERICHOST | NI_NUMERICSERV); 172 173 info->host = g_strdup(host); 174 info->port = g_strdup(port); 175 info->family = inet_netfamily(addr->sa_family); 176 } 177 178 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info) 179 { 180 int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; 181 182 sc->connection_id = info->connection_id; 183 sc->channel_type = info->type; 184 sc->channel_id = info->id; 185 sc->tls = !!tls; 186 } 187 188 static void channel_event(int event, SpiceChannelEventInfo *info) 189 { 190 SpiceServerInfo *server = g_malloc0(sizeof(*server)); 191 SpiceChannel *client = g_malloc0(sizeof(*client)); 192 193 /* 194 * Spice server might have called us from spice worker thread 195 * context (happens on display channel disconnects). Spice should 196 * not do that. It isn't that easy to fix it in spice and even 197 * when it is fixed we still should cover the already released 198 * spice versions. So detect that we've been called from another 199 * thread and grab the iothread lock if so before calling qemu 200 * functions. 201 */ 202 bool need_lock = !qemu_thread_is_self(&me); 203 if (need_lock) { 204 qemu_mutex_lock_iothread(); 205 } 206 207 if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) { 208 add_addr_info(qapi_SpiceChannel_base(client), 209 (struct sockaddr *)&info->paddr_ext, 210 info->plen_ext); 211 add_addr_info(qapi_SpiceServerInfo_base(server), 212 (struct sockaddr *)&info->laddr_ext, 213 info->llen_ext); 214 } else { 215 error_report("spice: %s, extended address is expected", 216 __func__); 217 } 218 219 switch (event) { 220 case SPICE_CHANNEL_EVENT_CONNECTED: 221 qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server), 222 qapi_SpiceChannel_base(client)); 223 break; 224 case SPICE_CHANNEL_EVENT_INITIALIZED: 225 if (auth) { 226 server->has_auth = true; 227 server->auth = g_strdup(auth); 228 } 229 add_channel_info(client, info); 230 channel_list_add(info); 231 qapi_event_send_spice_initialized(server, client); 232 break; 233 case SPICE_CHANNEL_EVENT_DISCONNECTED: 234 channel_list_del(info); 235 qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server), 236 qapi_SpiceChannel_base(client)); 237 break; 238 default: 239 break; 240 } 241 242 if (need_lock) { 243 qemu_mutex_unlock_iothread(); 244 } 245 246 qapi_free_SpiceServerInfo(server); 247 qapi_free_SpiceChannel(client); 248 } 249 250 static SpiceCoreInterface core_interface = { 251 .base.type = SPICE_INTERFACE_CORE, 252 .base.description = "qemu core services", 253 .base.major_version = SPICE_INTERFACE_CORE_MAJOR, 254 .base.minor_version = SPICE_INTERFACE_CORE_MINOR, 255 256 .timer_add = timer_add, 257 .timer_start = timer_start, 258 .timer_cancel = timer_cancel, 259 .timer_remove = timer_remove, 260 261 .watch_add = watch_add, 262 .watch_update_mask = watch_update_mask, 263 .watch_remove = watch_remove, 264 265 .channel_event = channel_event, 266 }; 267 268 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin); 269 static void migrate_end_complete_cb(SpiceMigrateInstance *sin); 270 271 static const SpiceMigrateInterface migrate_interface = { 272 .base.type = SPICE_INTERFACE_MIGRATION, 273 .base.description = "migration", 274 .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR, 275 .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR, 276 .migrate_connect_complete = migrate_connect_complete_cb, 277 .migrate_end_complete = migrate_end_complete_cb, 278 }; 279 280 static SpiceMigrateInstance spice_migrate; 281 282 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin) 283 { 284 /* nothing, but libspice-server expects this cb being present. */ 285 } 286 287 static void migrate_end_complete_cb(SpiceMigrateInstance *sin) 288 { 289 qapi_event_send_spice_migrate_completed(); 290 spice_migration_completed = true; 291 } 292 293 /* config string parsing */ 294 295 static int name2enum(const char *string, const char *table[], int entries) 296 { 297 int i; 298 299 if (string) { 300 for (i = 0; i < entries; i++) { 301 if (!table[i]) { 302 continue; 303 } 304 if (strcmp(string, table[i]) != 0) { 305 continue; 306 } 307 return i; 308 } 309 } 310 return -1; 311 } 312 313 static int parse_name(const char *string, const char *optname, 314 const char *table[], int entries) 315 { 316 int value = name2enum(string, table, entries); 317 318 if (value != -1) { 319 return value; 320 } 321 error_report("spice: invalid %s: %s", optname, string); 322 exit(1); 323 } 324 325 static const char *stream_video_names[] = { 326 [ SPICE_STREAM_VIDEO_OFF ] = "off", 327 [ SPICE_STREAM_VIDEO_ALL ] = "all", 328 [ SPICE_STREAM_VIDEO_FILTER ] = "filter", 329 }; 330 #define parse_stream_video(_name) \ 331 parse_name(_name, "stream video control", \ 332 stream_video_names, ARRAY_SIZE(stream_video_names)) 333 334 static const char *compression_names[] = { 335 [ SPICE_IMAGE_COMPRESS_OFF ] = "off", 336 [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz", 337 [ SPICE_IMAGE_COMPRESS_AUTO_LZ ] = "auto_lz", 338 [ SPICE_IMAGE_COMPRESS_QUIC ] = "quic", 339 [ SPICE_IMAGE_COMPRESS_GLZ ] = "glz", 340 [ SPICE_IMAGE_COMPRESS_LZ ] = "lz", 341 }; 342 #define parse_compression(_name) \ 343 parse_name(_name, "image compression", \ 344 compression_names, ARRAY_SIZE(compression_names)) 345 346 static const char *wan_compression_names[] = { 347 [ SPICE_WAN_COMPRESSION_AUTO ] = "auto", 348 [ SPICE_WAN_COMPRESSION_NEVER ] = "never", 349 [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always", 350 }; 351 #define parse_wan_compression(_name) \ 352 parse_name(_name, "wan compression", \ 353 wan_compression_names, ARRAY_SIZE(wan_compression_names)) 354 355 /* functions for the rest of qemu */ 356 357 static SpiceChannelList *qmp_query_spice_channels(void) 358 { 359 SpiceChannelList *cur_item = NULL, *head = NULL; 360 ChannelList *item; 361 362 QTAILQ_FOREACH(item, &channel_list, link) { 363 SpiceChannelList *chan; 364 char host[NI_MAXHOST], port[NI_MAXSERV]; 365 struct sockaddr *paddr; 366 socklen_t plen; 367 368 assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT); 369 370 chan = g_malloc0(sizeof(*chan)); 371 chan->value = g_malloc0(sizeof(*chan->value)); 372 373 paddr = (struct sockaddr *)&item->info->paddr_ext; 374 plen = item->info->plen_ext; 375 getnameinfo(paddr, plen, 376 host, sizeof(host), port, sizeof(port), 377 NI_NUMERICHOST | NI_NUMERICSERV); 378 chan->value->host = g_strdup(host); 379 chan->value->port = g_strdup(port); 380 chan->value->family = inet_netfamily(paddr->sa_family); 381 382 chan->value->connection_id = item->info->connection_id; 383 chan->value->channel_type = item->info->type; 384 chan->value->channel_id = item->info->id; 385 chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; 386 387 /* XXX: waiting for the qapi to support GSList */ 388 if (!cur_item) { 389 head = cur_item = chan; 390 } else { 391 cur_item->next = chan; 392 cur_item = chan; 393 } 394 } 395 396 return head; 397 } 398 399 static QemuOptsList qemu_spice_opts = { 400 .name = "spice", 401 .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head), 402 .merge_lists = true, 403 .desc = { 404 { 405 .name = "port", 406 .type = QEMU_OPT_NUMBER, 407 },{ 408 .name = "tls-port", 409 .type = QEMU_OPT_NUMBER, 410 },{ 411 .name = "addr", 412 .type = QEMU_OPT_STRING, 413 },{ 414 .name = "ipv4", 415 .type = QEMU_OPT_BOOL, 416 },{ 417 .name = "ipv6", 418 .type = QEMU_OPT_BOOL, 419 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY 420 },{ 421 .name = "unix", 422 .type = QEMU_OPT_BOOL, 423 #endif 424 },{ 425 .name = "password", 426 .type = QEMU_OPT_STRING, 427 },{ 428 .name = "disable-ticketing", 429 .type = QEMU_OPT_BOOL, 430 },{ 431 .name = "disable-copy-paste", 432 .type = QEMU_OPT_BOOL, 433 },{ 434 .name = "disable-agent-file-xfer", 435 .type = QEMU_OPT_BOOL, 436 },{ 437 .name = "sasl", 438 .type = QEMU_OPT_BOOL, 439 },{ 440 .name = "x509-dir", 441 .type = QEMU_OPT_STRING, 442 },{ 443 .name = "x509-key-file", 444 .type = QEMU_OPT_STRING, 445 },{ 446 .name = "x509-key-password", 447 .type = QEMU_OPT_STRING, 448 },{ 449 .name = "x509-cert-file", 450 .type = QEMU_OPT_STRING, 451 },{ 452 .name = "x509-cacert-file", 453 .type = QEMU_OPT_STRING, 454 },{ 455 .name = "x509-dh-key-file", 456 .type = QEMU_OPT_STRING, 457 },{ 458 .name = "tls-ciphers", 459 .type = QEMU_OPT_STRING, 460 },{ 461 .name = "tls-channel", 462 .type = QEMU_OPT_STRING, 463 },{ 464 .name = "plaintext-channel", 465 .type = QEMU_OPT_STRING, 466 },{ 467 .name = "image-compression", 468 .type = QEMU_OPT_STRING, 469 },{ 470 .name = "jpeg-wan-compression", 471 .type = QEMU_OPT_STRING, 472 },{ 473 .name = "zlib-glz-wan-compression", 474 .type = QEMU_OPT_STRING, 475 },{ 476 .name = "streaming-video", 477 .type = QEMU_OPT_STRING, 478 },{ 479 .name = "agent-mouse", 480 .type = QEMU_OPT_BOOL, 481 },{ 482 .name = "playback-compression", 483 .type = QEMU_OPT_BOOL, 484 },{ 485 .name = "seamless-migration", 486 .type = QEMU_OPT_BOOL, 487 },{ 488 .name = "display", 489 .type = QEMU_OPT_STRING, 490 },{ 491 .name = "head", 492 .type = QEMU_OPT_NUMBER, 493 #ifdef HAVE_SPICE_GL 494 },{ 495 .name = "gl", 496 .type = QEMU_OPT_BOOL, 497 },{ 498 .name = "rendernode", 499 .type = QEMU_OPT_STRING, 500 #endif 501 }, 502 { /* end of list */ } 503 }, 504 }; 505 506 SpiceInfo *qmp_query_spice(Error **errp) 507 { 508 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 509 int port, tls_port; 510 const char *addr; 511 SpiceInfo *info; 512 unsigned int major; 513 unsigned int minor; 514 unsigned int micro; 515 516 info = g_malloc0(sizeof(*info)); 517 518 if (!spice_server || !opts) { 519 info->enabled = false; 520 return info; 521 } 522 523 info->enabled = true; 524 info->migrated = spice_migration_completed; 525 526 addr = qemu_opt_get(opts, "addr"); 527 port = qemu_opt_get_number(opts, "port", 0); 528 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 529 530 info->has_auth = true; 531 info->auth = g_strdup(auth); 532 533 info->has_host = true; 534 info->host = g_strdup(addr ? addr : "*"); 535 536 info->has_compiled_version = true; 537 major = (SPICE_SERVER_VERSION & 0xff0000) >> 16; 538 minor = (SPICE_SERVER_VERSION & 0xff00) >> 8; 539 micro = SPICE_SERVER_VERSION & 0xff; 540 info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro); 541 542 if (port) { 543 info->has_port = true; 544 info->port = port; 545 } 546 if (tls_port) { 547 info->has_tls_port = true; 548 info->tls_port = tls_port; 549 } 550 551 info->mouse_mode = spice_server_is_server_mouse(spice_server) ? 552 SPICE_QUERY_MOUSE_MODE_SERVER : 553 SPICE_QUERY_MOUSE_MODE_CLIENT; 554 555 /* for compatibility with the original command */ 556 info->has_channels = true; 557 info->channels = qmp_query_spice_channels(); 558 559 return info; 560 } 561 562 static void migration_state_notifier(Notifier *notifier, void *data) 563 { 564 MigrationState *s = data; 565 566 if (!spice_have_target_host) { 567 return; 568 } 569 570 if (migration_in_setup(s)) { 571 spice_server_migrate_start(spice_server); 572 } else if (migration_has_finished(s) || 573 migration_in_postcopy_after_devices(s)) { 574 spice_server_migrate_end(spice_server, true); 575 spice_have_target_host = false; 576 } else if (migration_has_failed(s)) { 577 spice_server_migrate_end(spice_server, false); 578 spice_have_target_host = false; 579 } 580 } 581 582 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port, 583 const char *subject) 584 { 585 int ret; 586 587 ret = spice_server_migrate_connect(spice_server, hostname, 588 port, tls_port, subject); 589 spice_have_target_host = true; 590 return ret; 591 } 592 593 static int add_channel(void *opaque, const char *name, const char *value, 594 Error **errp) 595 { 596 int security = 0; 597 int rc; 598 599 if (strcmp(name, "tls-channel") == 0) { 600 int *tls_port = opaque; 601 if (!*tls_port) { 602 error_setg(errp, "spice: tried to setup tls-channel" 603 " without specifying a TLS port"); 604 return -1; 605 } 606 security = SPICE_CHANNEL_SECURITY_SSL; 607 } 608 if (strcmp(name, "plaintext-channel") == 0) { 609 security = SPICE_CHANNEL_SECURITY_NONE; 610 } 611 if (security == 0) { 612 return 0; 613 } 614 if (strcmp(value, "default") == 0) { 615 rc = spice_server_set_channel_security(spice_server, NULL, security); 616 } else { 617 rc = spice_server_set_channel_security(spice_server, value, security); 618 } 619 if (rc != 0) { 620 error_setg(errp, "spice: failed to set channel security for %s", 621 value); 622 return -1; 623 } 624 return 0; 625 } 626 627 static void vm_change_state_handler(void *opaque, int running, 628 RunState state) 629 { 630 if (running) { 631 qemu_spice_display_start(); 632 } else if (state != RUN_STATE_PAUSED) { 633 qemu_spice_display_stop(); 634 } 635 } 636 637 void qemu_spice_init(void) 638 { 639 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 640 const char *password, *str, *x509_dir, *addr, 641 *x509_key_password = NULL, 642 *x509_dh_file = NULL, 643 *tls_ciphers = NULL; 644 char *x509_key_file = NULL, 645 *x509_cert_file = NULL, 646 *x509_cacert_file = NULL; 647 int port, tls_port, addr_flags; 648 spice_image_compression_t compression; 649 spice_wan_compression_t wan_compr; 650 bool seamless_migration; 651 652 qemu_thread_get_self(&me); 653 654 if (!opts) { 655 return; 656 } 657 port = qemu_opt_get_number(opts, "port", 0); 658 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 659 if (port < 0 || port > 65535) { 660 error_report("spice port is out of range"); 661 exit(1); 662 } 663 if (tls_port < 0 || tls_port > 65535) { 664 error_report("spice tls-port is out of range"); 665 exit(1); 666 } 667 password = qemu_opt_get(opts, "password"); 668 669 if (tls_port) { 670 x509_dir = qemu_opt_get(opts, "x509-dir"); 671 if (!x509_dir) { 672 x509_dir = "."; 673 } 674 675 str = qemu_opt_get(opts, "x509-key-file"); 676 if (str) { 677 x509_key_file = g_strdup(str); 678 } else { 679 x509_key_file = g_strdup_printf("%s/%s", x509_dir, 680 X509_SERVER_KEY_FILE); 681 } 682 683 str = qemu_opt_get(opts, "x509-cert-file"); 684 if (str) { 685 x509_cert_file = g_strdup(str); 686 } else { 687 x509_cert_file = g_strdup_printf("%s/%s", x509_dir, 688 X509_SERVER_CERT_FILE); 689 } 690 691 str = qemu_opt_get(opts, "x509-cacert-file"); 692 if (str) { 693 x509_cacert_file = g_strdup(str); 694 } else { 695 x509_cacert_file = g_strdup_printf("%s/%s", x509_dir, 696 X509_CA_CERT_FILE); 697 } 698 699 x509_key_password = qemu_opt_get(opts, "x509-key-password"); 700 x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file"); 701 tls_ciphers = qemu_opt_get(opts, "tls-ciphers"); 702 } 703 704 addr = qemu_opt_get(opts, "addr"); 705 addr_flags = 0; 706 if (qemu_opt_get_bool(opts, "ipv4", 0)) { 707 addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY; 708 } else if (qemu_opt_get_bool(opts, "ipv6", 0)) { 709 addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY; 710 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY 711 } else if (qemu_opt_get_bool(opts, "unix", 0)) { 712 addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY; 713 #endif 714 } 715 716 spice_server = spice_server_new(); 717 spice_server_set_addr(spice_server, addr ? addr : "", addr_flags); 718 if (port) { 719 spice_server_set_port(spice_server, port); 720 } 721 if (tls_port) { 722 spice_server_set_tls(spice_server, tls_port, 723 x509_cacert_file, 724 x509_cert_file, 725 x509_key_file, 726 x509_key_password, 727 x509_dh_file, 728 tls_ciphers); 729 } 730 if (password) { 731 qemu_spice_set_passwd(password, false, false); 732 } 733 if (qemu_opt_get_bool(opts, "sasl", 0)) { 734 if (spice_server_set_sasl(spice_server, 1) == -1) { 735 error_report("spice: failed to enable sasl"); 736 exit(1); 737 } 738 auth = "sasl"; 739 } 740 if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) { 741 auth = "none"; 742 spice_server_set_noauth(spice_server); 743 } 744 745 if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) { 746 spice_server_set_agent_copypaste(spice_server, false); 747 } 748 749 if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) { 750 spice_server_set_agent_file_xfer(spice_server, false); 751 } 752 753 compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ; 754 str = qemu_opt_get(opts, "image-compression"); 755 if (str) { 756 compression = parse_compression(str); 757 } 758 spice_server_set_image_compression(spice_server, compression); 759 760 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 761 str = qemu_opt_get(opts, "jpeg-wan-compression"); 762 if (str) { 763 wan_compr = parse_wan_compression(str); 764 } 765 spice_server_set_jpeg_compression(spice_server, wan_compr); 766 767 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 768 str = qemu_opt_get(opts, "zlib-glz-wan-compression"); 769 if (str) { 770 wan_compr = parse_wan_compression(str); 771 } 772 spice_server_set_zlib_glz_compression(spice_server, wan_compr); 773 774 str = qemu_opt_get(opts, "streaming-video"); 775 if (str) { 776 int streaming_video = parse_stream_video(str); 777 spice_server_set_streaming_video(spice_server, streaming_video); 778 } else { 779 spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF); 780 } 781 782 spice_server_set_agent_mouse 783 (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1)); 784 spice_server_set_playback_compression 785 (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1)); 786 787 qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal); 788 789 spice_server_set_name(spice_server, qemu_name ?: "QEMU " QEMU_VERSION); 790 spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid); 791 792 seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0); 793 spice_server_set_seamless_migration(spice_server, seamless_migration); 794 spice_server_set_sasl_appname(spice_server, "qemu"); 795 if (spice_server_init(spice_server, &core_interface) != 0) { 796 error_report("failed to initialize spice server"); 797 exit(1); 798 }; 799 using_spice = 1; 800 801 migration_state.notify = migration_state_notifier; 802 add_migration_state_change_notifier(&migration_state); 803 spice_migrate.base.sif = &migrate_interface.base; 804 qemu_spice_add_interface(&spice_migrate.base); 805 806 qemu_spice_input_init(); 807 qemu_spice_audio_init(); 808 809 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); 810 qemu_spice_display_stop(); 811 812 g_free(x509_key_file); 813 g_free(x509_cert_file); 814 g_free(x509_cacert_file); 815 816 qemu_spice_register_ports(); 817 818 #ifdef HAVE_SPICE_GL 819 if (qemu_opt_get_bool(opts, "gl", 0)) { 820 if ((port != 0) || (tls_port != 0)) { 821 error_report("SPICE GL support is local-only for now and " 822 "incompatible with -spice port/tls-port"); 823 exit(1); 824 } 825 if (egl_rendernode_init(qemu_opt_get(opts, "rendernode"), 826 DISPLAYGL_MODE_ON) != 0) { 827 error_report("Failed to initialize EGL render node for SPICE GL"); 828 exit(1); 829 } 830 display_opengl = 1; 831 spice_opengl = 1; 832 } 833 #endif 834 } 835 836 int qemu_spice_add_interface(SpiceBaseInstance *sin) 837 { 838 if (!spice_server) { 839 if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) { 840 error_report("Oops: spice configured but not active"); 841 exit(1); 842 } 843 /* 844 * Create a spice server instance. 845 * It does *not* listen on the network. 846 * It handles QXL local rendering only. 847 * 848 * With a command line like '-vnc :0 -vga qxl' you'll end up here. 849 */ 850 spice_server = spice_server_new(); 851 spice_server_set_sasl_appname(spice_server, "qemu"); 852 spice_server_init(spice_server, &core_interface); 853 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); 854 } 855 856 return spice_server_add_interface(spice_server, sin); 857 } 858 859 static GSList *spice_consoles; 860 861 bool qemu_spice_have_display_interface(QemuConsole *con) 862 { 863 if (g_slist_find(spice_consoles, con)) { 864 return true; 865 } 866 return false; 867 } 868 869 /* 870 * Recursively (in reverse order) appends addresses of PCI devices as it moves 871 * up in the PCI hierarchy. 872 * 873 * @returns true on success, false when the buffer wasn't large enough 874 */ 875 static bool append_pci_address(char *buf, size_t buf_size, const PCIDevice *pci) 876 { 877 PCIBus *bus = pci_get_bus(pci); 878 /* 879 * equivalent to if (!pci_bus_is_root(bus)), but the function is not built 880 * with PCI_CONFIG=n, avoid using an #ifdef by checking directly 881 */ 882 if (bus->parent_dev != NULL) { 883 append_pci_address(buf, buf_size, bus->parent_dev); 884 } 885 886 size_t len = strlen(buf); 887 ssize_t written = snprintf(buf + len, buf_size - len, "/%02x.%x", 888 PCI_SLOT(pci->devfn), PCI_FUNC(pci->devfn)); 889 890 return written > 0 && written < buf_size - len; 891 } 892 893 bool qemu_spice_fill_device_address(QemuConsole *con, 894 char *device_address, 895 size_t size) 896 { 897 DeviceState *dev = DEVICE(object_property_get_link(OBJECT(con), 898 "device", 899 &error_abort)); 900 PCIDevice *pci = (PCIDevice *) object_dynamic_cast(OBJECT(dev), 901 TYPE_PCI_DEVICE); 902 903 if (pci == NULL) { 904 warn_report("Setting device address of a display device to SPICE: " 905 "Not a PCI device."); 906 return false; 907 } 908 909 strncpy(device_address, "pci/0000", size); 910 if (!append_pci_address(device_address, size, pci)) { 911 warn_report("Setting device address of a display device to SPICE: " 912 "Too many PCI devices in the chain."); 913 return false; 914 } 915 916 return true; 917 } 918 919 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con) 920 { 921 if (g_slist_find(spice_consoles, con)) { 922 return -1; 923 } 924 qxlin->id = qemu_console_get_index(con); 925 spice_consoles = g_slist_append(spice_consoles, con); 926 return qemu_spice_add_interface(&qxlin->base); 927 } 928 929 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn) 930 { 931 time_t lifetime, now = time(NULL); 932 char *passwd; 933 934 if (now < auth_expires) { 935 passwd = auth_passwd; 936 lifetime = (auth_expires - now); 937 if (lifetime > INT_MAX) { 938 lifetime = INT_MAX; 939 } 940 } else { 941 passwd = NULL; 942 lifetime = 1; 943 } 944 return spice_server_set_ticket(spice_server, passwd, lifetime, 945 fail_if_conn, disconnect_if_conn); 946 } 947 948 int qemu_spice_set_passwd(const char *passwd, 949 bool fail_if_conn, bool disconnect_if_conn) 950 { 951 if (strcmp(auth, "spice") != 0) { 952 return -1; 953 } 954 955 g_free(auth_passwd); 956 auth_passwd = g_strdup(passwd); 957 return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn); 958 } 959 960 int qemu_spice_set_pw_expire(time_t expires) 961 { 962 auth_expires = expires; 963 return qemu_spice_set_ticket(false, false); 964 } 965 966 int qemu_spice_display_add_client(int csock, int skipauth, int tls) 967 { 968 if (tls) { 969 return spice_server_add_ssl_client(spice_server, csock, skipauth); 970 } else { 971 return spice_server_add_client(spice_server, csock, skipauth); 972 } 973 } 974 975 void qemu_spice_display_start(void) 976 { 977 if (spice_display_is_running) { 978 return; 979 } 980 981 spice_display_is_running = true; 982 spice_server_vm_start(spice_server); 983 } 984 985 void qemu_spice_display_stop(void) 986 { 987 if (!spice_display_is_running) { 988 return; 989 } 990 991 spice_server_vm_stop(spice_server); 992 spice_display_is_running = false; 993 } 994 995 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd) 996 { 997 return spice_display_is_running; 998 } 999 1000 static void spice_register_config(void) 1001 { 1002 qemu_add_opts(&qemu_spice_opts); 1003 } 1004 opts_init(spice_register_config); 1005