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 *cur_item = NULL, *head = NULL; 358 ChannelList *item; 359 360 QTAILQ_FOREACH(item, &channel_list, link) { 361 SpiceChannelList *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 chan->value = g_malloc0(sizeof(*chan->value)); 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->value->host = g_strdup(host); 377 chan->value->port = g_strdup(port); 378 chan->value->family = inet_netfamily(paddr->sa_family); 379 380 chan->value->connection_id = item->info->connection_id; 381 chan->value->channel_type = item->info->type; 382 chan->value->channel_id = item->info->id; 383 chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; 384 385 /* XXX: waiting for the qapi to support GSList */ 386 if (!cur_item) { 387 head = cur_item = chan; 388 } else { 389 cur_item->next = chan; 390 cur_item = chan; 391 } 392 } 393 394 return head; 395 } 396 397 static QemuOptsList qemu_spice_opts = { 398 .name = "spice", 399 .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head), 400 .merge_lists = true, 401 .desc = { 402 { 403 .name = "port", 404 .type = QEMU_OPT_NUMBER, 405 },{ 406 .name = "tls-port", 407 .type = QEMU_OPT_NUMBER, 408 },{ 409 .name = "addr", 410 .type = QEMU_OPT_STRING, 411 },{ 412 .name = "ipv4", 413 .type = QEMU_OPT_BOOL, 414 },{ 415 .name = "ipv6", 416 .type = QEMU_OPT_BOOL, 417 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY 418 },{ 419 .name = "unix", 420 .type = QEMU_OPT_BOOL, 421 #endif 422 },{ 423 .name = "password", 424 .type = QEMU_OPT_STRING, 425 },{ 426 .name = "disable-ticketing", 427 .type = QEMU_OPT_BOOL, 428 },{ 429 .name = "disable-copy-paste", 430 .type = QEMU_OPT_BOOL, 431 },{ 432 .name = "disable-agent-file-xfer", 433 .type = QEMU_OPT_BOOL, 434 },{ 435 .name = "sasl", 436 .type = QEMU_OPT_BOOL, 437 },{ 438 .name = "x509-dir", 439 .type = QEMU_OPT_STRING, 440 },{ 441 .name = "x509-key-file", 442 .type = QEMU_OPT_STRING, 443 },{ 444 .name = "x509-key-password", 445 .type = QEMU_OPT_STRING, 446 },{ 447 .name = "x509-cert-file", 448 .type = QEMU_OPT_STRING, 449 },{ 450 .name = "x509-cacert-file", 451 .type = QEMU_OPT_STRING, 452 },{ 453 .name = "x509-dh-key-file", 454 .type = QEMU_OPT_STRING, 455 },{ 456 .name = "tls-ciphers", 457 .type = QEMU_OPT_STRING, 458 },{ 459 .name = "tls-channel", 460 .type = QEMU_OPT_STRING, 461 },{ 462 .name = "plaintext-channel", 463 .type = QEMU_OPT_STRING, 464 },{ 465 .name = "image-compression", 466 .type = QEMU_OPT_STRING, 467 },{ 468 .name = "jpeg-wan-compression", 469 .type = QEMU_OPT_STRING, 470 },{ 471 .name = "zlib-glz-wan-compression", 472 .type = QEMU_OPT_STRING, 473 },{ 474 .name = "streaming-video", 475 .type = QEMU_OPT_STRING, 476 },{ 477 .name = "agent-mouse", 478 .type = QEMU_OPT_BOOL, 479 },{ 480 .name = "playback-compression", 481 .type = QEMU_OPT_BOOL, 482 },{ 483 .name = "seamless-migration", 484 .type = QEMU_OPT_BOOL, 485 },{ 486 .name = "display", 487 .type = QEMU_OPT_STRING, 488 },{ 489 .name = "head", 490 .type = QEMU_OPT_NUMBER, 491 #ifdef HAVE_SPICE_GL 492 },{ 493 .name = "gl", 494 .type = QEMU_OPT_BOOL, 495 },{ 496 .name = "rendernode", 497 .type = QEMU_OPT_STRING, 498 #endif 499 }, 500 { /* end of list */ } 501 }, 502 }; 503 504 static SpiceInfo *qmp_query_spice_real(Error **errp) 505 { 506 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 507 int port, tls_port; 508 const char *addr; 509 SpiceInfo *info; 510 unsigned int major; 511 unsigned int minor; 512 unsigned int micro; 513 514 info = g_malloc0(sizeof(*info)); 515 516 if (!spice_server || !opts) { 517 info->enabled = false; 518 return info; 519 } 520 521 info->enabled = true; 522 info->migrated = spice_migration_completed; 523 524 addr = qemu_opt_get(opts, "addr"); 525 port = qemu_opt_get_number(opts, "port", 0); 526 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 527 528 info->has_auth = true; 529 info->auth = g_strdup(auth); 530 531 info->has_host = true; 532 info->host = g_strdup(addr ? addr : "*"); 533 534 info->has_compiled_version = true; 535 major = (SPICE_SERVER_VERSION & 0xff0000) >> 16; 536 minor = (SPICE_SERVER_VERSION & 0xff00) >> 8; 537 micro = SPICE_SERVER_VERSION & 0xff; 538 info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro); 539 540 if (port) { 541 info->has_port = true; 542 info->port = port; 543 } 544 if (tls_port) { 545 info->has_tls_port = true; 546 info->tls_port = tls_port; 547 } 548 549 info->mouse_mode = spice_server_is_server_mouse(spice_server) ? 550 SPICE_QUERY_MOUSE_MODE_SERVER : 551 SPICE_QUERY_MOUSE_MODE_CLIENT; 552 553 /* for compatibility with the original command */ 554 info->has_channels = true; 555 info->channels = qmp_query_spice_channels(); 556 557 return info; 558 } 559 560 static void migration_state_notifier(Notifier *notifier, void *data) 561 { 562 MigrationState *s = data; 563 564 if (!spice_have_target_host) { 565 return; 566 } 567 568 if (migration_in_setup(s)) { 569 spice_server_migrate_start(spice_server); 570 } else if (migration_has_finished(s) || 571 migration_in_postcopy_after_devices(s)) { 572 spice_server_migrate_end(spice_server, true); 573 spice_have_target_host = false; 574 } else if (migration_has_failed(s)) { 575 spice_server_migrate_end(spice_server, false); 576 spice_have_target_host = false; 577 } 578 } 579 580 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port, 581 const char *subject) 582 { 583 int ret; 584 585 ret = spice_server_migrate_connect(spice_server, hostname, 586 port, tls_port, subject); 587 spice_have_target_host = true; 588 return ret; 589 } 590 591 static int add_channel(void *opaque, const char *name, const char *value, 592 Error **errp) 593 { 594 int security = 0; 595 int rc; 596 597 if (strcmp(name, "tls-channel") == 0) { 598 int *tls_port = opaque; 599 if (!*tls_port) { 600 error_setg(errp, "spice: tried to setup tls-channel" 601 " without specifying a TLS port"); 602 return -1; 603 } 604 security = SPICE_CHANNEL_SECURITY_SSL; 605 } 606 if (strcmp(name, "plaintext-channel") == 0) { 607 security = SPICE_CHANNEL_SECURITY_NONE; 608 } 609 if (security == 0) { 610 return 0; 611 } 612 if (strcmp(value, "default") == 0) { 613 rc = spice_server_set_channel_security(spice_server, NULL, security); 614 } else { 615 rc = spice_server_set_channel_security(spice_server, value, security); 616 } 617 if (rc != 0) { 618 error_setg(errp, "spice: failed to set channel security for %s", 619 value); 620 return -1; 621 } 622 return 0; 623 } 624 625 static void vm_change_state_handler(void *opaque, int running, 626 RunState state) 627 { 628 if (running) { 629 qemu_spice_display_start(); 630 } else if (state != RUN_STATE_PAUSED) { 631 qemu_spice_display_stop(); 632 } 633 } 634 635 static void qemu_spice_init(void) 636 { 637 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 638 const char *password, *str, *x509_dir, *addr, 639 *x509_key_password = NULL, 640 *x509_dh_file = NULL, 641 *tls_ciphers = NULL; 642 char *x509_key_file = NULL, 643 *x509_cert_file = NULL, 644 *x509_cacert_file = NULL; 645 int port, tls_port, addr_flags; 646 spice_image_compression_t compression; 647 spice_wan_compression_t wan_compr; 648 bool seamless_migration; 649 650 qemu_thread_get_self(&me); 651 652 if (!opts) { 653 return; 654 } 655 port = qemu_opt_get_number(opts, "port", 0); 656 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 657 if (port < 0 || port > 65535) { 658 error_report("spice port is out of range"); 659 exit(1); 660 } 661 if (tls_port < 0 || tls_port > 65535) { 662 error_report("spice tls-port is out of range"); 663 exit(1); 664 } 665 password = qemu_opt_get(opts, "password"); 666 667 if (tls_port) { 668 x509_dir = qemu_opt_get(opts, "x509-dir"); 669 if (!x509_dir) { 670 x509_dir = "."; 671 } 672 673 str = qemu_opt_get(opts, "x509-key-file"); 674 if (str) { 675 x509_key_file = g_strdup(str); 676 } else { 677 x509_key_file = g_strdup_printf("%s/%s", x509_dir, 678 X509_SERVER_KEY_FILE); 679 } 680 681 str = qemu_opt_get(opts, "x509-cert-file"); 682 if (str) { 683 x509_cert_file = g_strdup(str); 684 } else { 685 x509_cert_file = g_strdup_printf("%s/%s", x509_dir, 686 X509_SERVER_CERT_FILE); 687 } 688 689 str = qemu_opt_get(opts, "x509-cacert-file"); 690 if (str) { 691 x509_cacert_file = g_strdup(str); 692 } else { 693 x509_cacert_file = g_strdup_printf("%s/%s", x509_dir, 694 X509_CA_CERT_FILE); 695 } 696 697 x509_key_password = qemu_opt_get(opts, "x509-key-password"); 698 x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file"); 699 tls_ciphers = qemu_opt_get(opts, "tls-ciphers"); 700 } 701 702 addr = qemu_opt_get(opts, "addr"); 703 addr_flags = 0; 704 if (qemu_opt_get_bool(opts, "ipv4", 0)) { 705 addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY; 706 } else if (qemu_opt_get_bool(opts, "ipv6", 0)) { 707 addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY; 708 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY 709 } else if (qemu_opt_get_bool(opts, "unix", 0)) { 710 addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY; 711 #endif 712 } 713 714 spice_server = spice_server_new(); 715 spice_server_set_addr(spice_server, addr ? addr : "", addr_flags); 716 if (port) { 717 spice_server_set_port(spice_server, port); 718 } 719 if (tls_port) { 720 spice_server_set_tls(spice_server, tls_port, 721 x509_cacert_file, 722 x509_cert_file, 723 x509_key_file, 724 x509_key_password, 725 x509_dh_file, 726 tls_ciphers); 727 } 728 if (password) { 729 qemu_spice.set_passwd(password, false, false); 730 } 731 if (qemu_opt_get_bool(opts, "sasl", 0)) { 732 if (spice_server_set_sasl(spice_server, 1) == -1) { 733 error_report("spice: failed to enable sasl"); 734 exit(1); 735 } 736 auth = "sasl"; 737 } 738 if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) { 739 auth = "none"; 740 spice_server_set_noauth(spice_server); 741 } 742 743 if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) { 744 spice_server_set_agent_copypaste(spice_server, false); 745 } 746 747 if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) { 748 spice_server_set_agent_file_xfer(spice_server, false); 749 } 750 751 compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ; 752 str = qemu_opt_get(opts, "image-compression"); 753 if (str) { 754 compression = parse_compression(str); 755 } 756 spice_server_set_image_compression(spice_server, compression); 757 758 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 759 str = qemu_opt_get(opts, "jpeg-wan-compression"); 760 if (str) { 761 wan_compr = parse_wan_compression(str); 762 } 763 spice_server_set_jpeg_compression(spice_server, wan_compr); 764 765 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 766 str = qemu_opt_get(opts, "zlib-glz-wan-compression"); 767 if (str) { 768 wan_compr = parse_wan_compression(str); 769 } 770 spice_server_set_zlib_glz_compression(spice_server, wan_compr); 771 772 str = qemu_opt_get(opts, "streaming-video"); 773 if (str) { 774 int streaming_video = parse_stream_video(str); 775 spice_server_set_streaming_video(spice_server, streaming_video); 776 } else { 777 spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF); 778 } 779 780 spice_server_set_agent_mouse 781 (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1)); 782 spice_server_set_playback_compression 783 (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1)); 784 785 qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal); 786 787 spice_server_set_name(spice_server, qemu_name ?: "QEMU " QEMU_VERSION); 788 spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid); 789 790 seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0); 791 spice_server_set_seamless_migration(spice_server, seamless_migration); 792 spice_server_set_sasl_appname(spice_server, "qemu"); 793 if (spice_server_init(spice_server, &core_interface) != 0) { 794 error_report("failed to initialize spice server"); 795 exit(1); 796 }; 797 using_spice = 1; 798 799 migration_state.notify = migration_state_notifier; 800 add_migration_state_change_notifier(&migration_state); 801 spice_migrate.base.sif = &migrate_interface.base; 802 qemu_spice.add_interface(&spice_migrate.base); 803 804 qemu_spice_input_init(); 805 806 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); 807 qemu_spice_display_stop(); 808 809 g_free(x509_key_file); 810 g_free(x509_cert_file); 811 g_free(x509_cacert_file); 812 813 #ifdef HAVE_SPICE_GL 814 if (qemu_opt_get_bool(opts, "gl", 0)) { 815 if ((port != 0) || (tls_port != 0)) { 816 error_report("SPICE GL support is local-only for now and " 817 "incompatible with -spice port/tls-port"); 818 exit(1); 819 } 820 if (egl_rendernode_init(qemu_opt_get(opts, "rendernode"), 821 DISPLAYGL_MODE_ON) != 0) { 822 error_report("Failed to initialize EGL render node for SPICE GL"); 823 exit(1); 824 } 825 display_opengl = 1; 826 spice_opengl = 1; 827 } 828 #endif 829 } 830 831 static int qemu_spice_add_interface(SpiceBaseInstance *sin) 832 { 833 if (!spice_server) { 834 if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) { 835 error_report("Oops: spice configured but not active"); 836 exit(1); 837 } 838 /* 839 * Create a spice server instance. 840 * It does *not* listen on the network. 841 * It handles QXL local rendering only. 842 * 843 * With a command line like '-vnc :0 -vga qxl' you'll end up here. 844 */ 845 spice_server = spice_server_new(); 846 spice_server_set_sasl_appname(spice_server, "qemu"); 847 spice_server_init(spice_server, &core_interface); 848 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); 849 } 850 851 return spice_server_add_interface(spice_server, sin); 852 } 853 854 static GSList *spice_consoles; 855 856 bool qemu_spice_have_display_interface(QemuConsole *con) 857 { 858 if (g_slist_find(spice_consoles, con)) { 859 return true; 860 } 861 return false; 862 } 863 864 /* 865 * Recursively (in reverse order) appends addresses of PCI devices as it moves 866 * up in the PCI hierarchy. 867 * 868 * @returns true on success, false when the buffer wasn't large enough 869 */ 870 static bool append_pci_address(char *buf, size_t buf_size, const PCIDevice *pci) 871 { 872 PCIBus *bus = pci_get_bus(pci); 873 /* 874 * equivalent to if (!pci_bus_is_root(bus)), but the function is not built 875 * with PCI_CONFIG=n, avoid using an #ifdef by checking directly 876 */ 877 if (bus->parent_dev != NULL) { 878 append_pci_address(buf, buf_size, bus->parent_dev); 879 } 880 881 size_t len = strlen(buf); 882 ssize_t written = snprintf(buf + len, buf_size - len, "/%02x.%x", 883 PCI_SLOT(pci->devfn), PCI_FUNC(pci->devfn)); 884 885 return written > 0 && written < buf_size - len; 886 } 887 888 bool qemu_spice_fill_device_address(QemuConsole *con, 889 char *device_address, 890 size_t size) 891 { 892 DeviceState *dev = DEVICE(object_property_get_link(OBJECT(con), 893 "device", 894 &error_abort)); 895 PCIDevice *pci = (PCIDevice *) object_dynamic_cast(OBJECT(dev), 896 TYPE_PCI_DEVICE); 897 898 if (pci == NULL) { 899 warn_report("Setting device address of a display device to SPICE: " 900 "Not a PCI device."); 901 return false; 902 } 903 904 strncpy(device_address, "pci/0000", size); 905 if (!append_pci_address(device_address, size, pci)) { 906 warn_report("Setting device address of a display device to SPICE: " 907 "Too many PCI devices in the chain."); 908 return false; 909 } 910 911 return true; 912 } 913 914 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con) 915 { 916 if (g_slist_find(spice_consoles, con)) { 917 return -1; 918 } 919 qxlin->id = qemu_console_get_index(con); 920 spice_consoles = g_slist_append(spice_consoles, con); 921 return qemu_spice_add_interface(&qxlin->base); 922 } 923 924 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn) 925 { 926 time_t lifetime, now = time(NULL); 927 char *passwd; 928 929 if (now < auth_expires) { 930 passwd = auth_passwd; 931 lifetime = (auth_expires - now); 932 if (lifetime > INT_MAX) { 933 lifetime = INT_MAX; 934 } 935 } else { 936 passwd = NULL; 937 lifetime = 1; 938 } 939 return spice_server_set_ticket(spice_server, passwd, lifetime, 940 fail_if_conn, disconnect_if_conn); 941 } 942 943 static int qemu_spice_set_passwd(const char *passwd, 944 bool fail_if_conn, bool disconnect_if_conn) 945 { 946 if (strcmp(auth, "spice") != 0) { 947 return -1; 948 } 949 950 g_free(auth_passwd); 951 auth_passwd = g_strdup(passwd); 952 return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn); 953 } 954 955 static int qemu_spice_set_pw_expire(time_t expires) 956 { 957 auth_expires = expires; 958 return qemu_spice_set_ticket(false, false); 959 } 960 961 static int qemu_spice_display_add_client(int csock, int skipauth, int tls) 962 { 963 if (tls) { 964 return spice_server_add_ssl_client(spice_server, csock, skipauth); 965 } else { 966 return spice_server_add_client(spice_server, csock, skipauth); 967 } 968 } 969 970 void qemu_spice_display_start(void) 971 { 972 if (spice_display_is_running) { 973 return; 974 } 975 976 spice_display_is_running = true; 977 spice_server_vm_start(spice_server); 978 } 979 980 void qemu_spice_display_stop(void) 981 { 982 if (!spice_display_is_running) { 983 return; 984 } 985 986 spice_server_vm_stop(spice_server); 987 spice_display_is_running = false; 988 } 989 990 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd) 991 { 992 return spice_display_is_running; 993 } 994 995 static struct QemuSpiceOps real_spice_ops = { 996 .init = qemu_spice_init, 997 .display_init = qemu_spice_display_init, 998 .migrate_info = qemu_spice_migrate_info, 999 .set_passwd = qemu_spice_set_passwd, 1000 .set_pw_expire = qemu_spice_set_pw_expire, 1001 .display_add_client = qemu_spice_display_add_client, 1002 .add_interface = qemu_spice_add_interface, 1003 .qmp_query = qmp_query_spice_real, 1004 }; 1005 1006 static void spice_register_config(void) 1007 { 1008 qemu_spice = real_spice_ops; 1009 qemu_add_opts(&qemu_spice_opts); 1010 } 1011 opts_init(spice_register_config); 1012