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_del(timer->timer); 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 *cur_item = NULL, *head = NULL; 359 ChannelList *item; 360 361 QTAILQ_FOREACH(item, &channel_list, link) { 362 SpiceChannelList *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 chan->value = g_malloc0(sizeof(*chan->value)); 371 372 paddr = (struct sockaddr *)&item->info->paddr_ext; 373 plen = item->info->plen_ext; 374 getnameinfo(paddr, plen, 375 host, sizeof(host), port, sizeof(port), 376 NI_NUMERICHOST | NI_NUMERICSERV); 377 chan->value->host = g_strdup(host); 378 chan->value->port = g_strdup(port); 379 chan->value->family = inet_netfamily(paddr->sa_family); 380 381 chan->value->connection_id = item->info->connection_id; 382 chan->value->channel_type = item->info->type; 383 chan->value->channel_id = item->info->id; 384 chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; 385 386 /* XXX: waiting for the qapi to support GSList */ 387 if (!cur_item) { 388 head = cur_item = chan; 389 } else { 390 cur_item->next = chan; 391 cur_item = chan; 392 } 393 } 394 395 return head; 396 } 397 398 static QemuOptsList qemu_spice_opts = { 399 .name = "spice", 400 .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head), 401 .merge_lists = true, 402 .desc = { 403 { 404 .name = "port", 405 .type = QEMU_OPT_NUMBER, 406 },{ 407 .name = "tls-port", 408 .type = QEMU_OPT_NUMBER, 409 },{ 410 .name = "addr", 411 .type = QEMU_OPT_STRING, 412 },{ 413 .name = "ipv4", 414 .type = QEMU_OPT_BOOL, 415 },{ 416 .name = "ipv6", 417 .type = QEMU_OPT_BOOL, 418 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY 419 },{ 420 .name = "unix", 421 .type = QEMU_OPT_BOOL, 422 #endif 423 },{ 424 .name = "password", 425 .type = QEMU_OPT_STRING, 426 },{ 427 .name = "disable-ticketing", 428 .type = QEMU_OPT_BOOL, 429 },{ 430 .name = "disable-copy-paste", 431 .type = QEMU_OPT_BOOL, 432 },{ 433 .name = "disable-agent-file-xfer", 434 .type = QEMU_OPT_BOOL, 435 },{ 436 .name = "sasl", 437 .type = QEMU_OPT_BOOL, 438 },{ 439 .name = "x509-dir", 440 .type = QEMU_OPT_STRING, 441 },{ 442 .name = "x509-key-file", 443 .type = QEMU_OPT_STRING, 444 },{ 445 .name = "x509-key-password", 446 .type = QEMU_OPT_STRING, 447 },{ 448 .name = "x509-cert-file", 449 .type = QEMU_OPT_STRING, 450 },{ 451 .name = "x509-cacert-file", 452 .type = QEMU_OPT_STRING, 453 },{ 454 .name = "x509-dh-key-file", 455 .type = QEMU_OPT_STRING, 456 },{ 457 .name = "tls-ciphers", 458 .type = QEMU_OPT_STRING, 459 },{ 460 .name = "tls-channel", 461 .type = QEMU_OPT_STRING, 462 },{ 463 .name = "plaintext-channel", 464 .type = QEMU_OPT_STRING, 465 },{ 466 .name = "image-compression", 467 .type = QEMU_OPT_STRING, 468 },{ 469 .name = "jpeg-wan-compression", 470 .type = QEMU_OPT_STRING, 471 },{ 472 .name = "zlib-glz-wan-compression", 473 .type = QEMU_OPT_STRING, 474 },{ 475 .name = "streaming-video", 476 .type = QEMU_OPT_STRING, 477 },{ 478 .name = "agent-mouse", 479 .type = QEMU_OPT_BOOL, 480 },{ 481 .name = "playback-compression", 482 .type = QEMU_OPT_BOOL, 483 },{ 484 .name = "seamless-migration", 485 .type = QEMU_OPT_BOOL, 486 },{ 487 .name = "display", 488 .type = QEMU_OPT_STRING, 489 },{ 490 .name = "head", 491 .type = QEMU_OPT_NUMBER, 492 #ifdef HAVE_SPICE_GL 493 },{ 494 .name = "gl", 495 .type = QEMU_OPT_BOOL, 496 },{ 497 .name = "rendernode", 498 .type = QEMU_OPT_STRING, 499 #endif 500 }, 501 { /* end of list */ } 502 }, 503 }; 504 505 static SpiceInfo *qmp_query_spice_real(Error **errp) 506 { 507 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 508 int port, tls_port; 509 const char *addr; 510 SpiceInfo *info; 511 unsigned int major; 512 unsigned int minor; 513 unsigned int micro; 514 515 info = g_malloc0(sizeof(*info)); 516 517 if (!spice_server || !opts) { 518 info->enabled = false; 519 return info; 520 } 521 522 info->enabled = true; 523 info->migrated = spice_migration_completed; 524 525 addr = qemu_opt_get(opts, "addr"); 526 port = qemu_opt_get_number(opts, "port", 0); 527 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 528 529 info->has_auth = true; 530 info->auth = g_strdup(auth); 531 532 info->has_host = true; 533 info->host = g_strdup(addr ? addr : "*"); 534 535 info->has_compiled_version = true; 536 major = (SPICE_SERVER_VERSION & 0xff0000) >> 16; 537 minor = (SPICE_SERVER_VERSION & 0xff00) >> 8; 538 micro = SPICE_SERVER_VERSION & 0xff; 539 info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro); 540 541 if (port) { 542 info->has_port = true; 543 info->port = port; 544 } 545 if (tls_port) { 546 info->has_tls_port = true; 547 info->tls_port = tls_port; 548 } 549 550 info->mouse_mode = spice_server_is_server_mouse(spice_server) ? 551 SPICE_QUERY_MOUSE_MODE_SERVER : 552 SPICE_QUERY_MOUSE_MODE_CLIENT; 553 554 /* for compatibility with the original command */ 555 info->has_channels = true; 556 info->channels = qmp_query_spice_channels(); 557 558 return info; 559 } 560 561 static void migration_state_notifier(Notifier *notifier, void *data) 562 { 563 MigrationState *s = data; 564 565 if (!spice_have_target_host) { 566 return; 567 } 568 569 if (migration_in_setup(s)) { 570 spice_server_migrate_start(spice_server); 571 } else if (migration_has_finished(s) || 572 migration_in_postcopy_after_devices(s)) { 573 spice_server_migrate_end(spice_server, true); 574 spice_have_target_host = false; 575 } else if (migration_has_failed(s)) { 576 spice_server_migrate_end(spice_server, false); 577 spice_have_target_host = false; 578 } 579 } 580 581 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port, 582 const char *subject) 583 { 584 int ret; 585 586 ret = spice_server_migrate_connect(spice_server, hostname, 587 port, tls_port, subject); 588 spice_have_target_host = true; 589 return ret; 590 } 591 592 static int add_channel(void *opaque, const char *name, const char *value, 593 Error **errp) 594 { 595 int security = 0; 596 int rc; 597 598 if (strcmp(name, "tls-channel") == 0) { 599 int *tls_port = opaque; 600 if (!*tls_port) { 601 error_setg(errp, "spice: tried to setup tls-channel" 602 " without specifying a TLS port"); 603 return -1; 604 } 605 security = SPICE_CHANNEL_SECURITY_SSL; 606 } 607 if (strcmp(name, "plaintext-channel") == 0) { 608 security = SPICE_CHANNEL_SECURITY_NONE; 609 } 610 if (security == 0) { 611 return 0; 612 } 613 if (strcmp(value, "default") == 0) { 614 rc = spice_server_set_channel_security(spice_server, NULL, security); 615 } else { 616 rc = spice_server_set_channel_security(spice_server, value, security); 617 } 618 if (rc != 0) { 619 error_setg(errp, "spice: failed to set channel security for %s", 620 value); 621 return -1; 622 } 623 return 0; 624 } 625 626 static void vm_change_state_handler(void *opaque, int running, 627 RunState state) 628 { 629 if (running) { 630 qemu_spice_display_start(); 631 } else if (state != RUN_STATE_PAUSED) { 632 qemu_spice_display_stop(); 633 } 634 } 635 636 static void qemu_spice_init(void) 637 { 638 QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); 639 const char *password, *str, *x509_dir, *addr, 640 *x509_key_password = NULL, 641 *x509_dh_file = NULL, 642 *tls_ciphers = NULL; 643 char *x509_key_file = NULL, 644 *x509_cert_file = NULL, 645 *x509_cacert_file = NULL; 646 int port, tls_port, addr_flags; 647 spice_image_compression_t compression; 648 spice_wan_compression_t wan_compr; 649 bool seamless_migration; 650 651 qemu_thread_get_self(&me); 652 653 if (!opts) { 654 return; 655 } 656 port = qemu_opt_get_number(opts, "port", 0); 657 tls_port = qemu_opt_get_number(opts, "tls-port", 0); 658 if (port < 0 || port > 65535) { 659 error_report("spice port is out of range"); 660 exit(1); 661 } 662 if (tls_port < 0 || tls_port > 65535) { 663 error_report("spice tls-port is out of range"); 664 exit(1); 665 } 666 password = qemu_opt_get(opts, "password"); 667 668 if (tls_port) { 669 x509_dir = qemu_opt_get(opts, "x509-dir"); 670 if (!x509_dir) { 671 x509_dir = "."; 672 } 673 674 str = qemu_opt_get(opts, "x509-key-file"); 675 if (str) { 676 x509_key_file = g_strdup(str); 677 } else { 678 x509_key_file = g_strdup_printf("%s/%s", x509_dir, 679 X509_SERVER_KEY_FILE); 680 } 681 682 str = qemu_opt_get(opts, "x509-cert-file"); 683 if (str) { 684 x509_cert_file = g_strdup(str); 685 } else { 686 x509_cert_file = g_strdup_printf("%s/%s", x509_dir, 687 X509_SERVER_CERT_FILE); 688 } 689 690 str = qemu_opt_get(opts, "x509-cacert-file"); 691 if (str) { 692 x509_cacert_file = g_strdup(str); 693 } else { 694 x509_cacert_file = g_strdup_printf("%s/%s", x509_dir, 695 X509_CA_CERT_FILE); 696 } 697 698 x509_key_password = qemu_opt_get(opts, "x509-key-password"); 699 x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file"); 700 tls_ciphers = qemu_opt_get(opts, "tls-ciphers"); 701 } 702 703 addr = qemu_opt_get(opts, "addr"); 704 addr_flags = 0; 705 if (qemu_opt_get_bool(opts, "ipv4", 0)) { 706 addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY; 707 } else if (qemu_opt_get_bool(opts, "ipv6", 0)) { 708 addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY; 709 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY 710 } else if (qemu_opt_get_bool(opts, "unix", 0)) { 711 addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY; 712 #endif 713 } 714 715 spice_server = spice_server_new(); 716 spice_server_set_addr(spice_server, addr ? addr : "", addr_flags); 717 if (port) { 718 spice_server_set_port(spice_server, port); 719 } 720 if (tls_port) { 721 spice_server_set_tls(spice_server, tls_port, 722 x509_cacert_file, 723 x509_cert_file, 724 x509_key_file, 725 x509_key_password, 726 x509_dh_file, 727 tls_ciphers); 728 } 729 if (password) { 730 qemu_spice.set_passwd(password, false, false); 731 } 732 if (qemu_opt_get_bool(opts, "sasl", 0)) { 733 if (spice_server_set_sasl(spice_server, 1) == -1) { 734 error_report("spice: failed to enable sasl"); 735 exit(1); 736 } 737 auth = "sasl"; 738 } 739 if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) { 740 auth = "none"; 741 spice_server_set_noauth(spice_server); 742 } 743 744 if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) { 745 spice_server_set_agent_copypaste(spice_server, false); 746 } 747 748 if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) { 749 spice_server_set_agent_file_xfer(spice_server, false); 750 } 751 752 compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ; 753 str = qemu_opt_get(opts, "image-compression"); 754 if (str) { 755 compression = parse_compression(str); 756 } 757 spice_server_set_image_compression(spice_server, compression); 758 759 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 760 str = qemu_opt_get(opts, "jpeg-wan-compression"); 761 if (str) { 762 wan_compr = parse_wan_compression(str); 763 } 764 spice_server_set_jpeg_compression(spice_server, wan_compr); 765 766 wan_compr = SPICE_WAN_COMPRESSION_AUTO; 767 str = qemu_opt_get(opts, "zlib-glz-wan-compression"); 768 if (str) { 769 wan_compr = parse_wan_compression(str); 770 } 771 spice_server_set_zlib_glz_compression(spice_server, wan_compr); 772 773 str = qemu_opt_get(opts, "streaming-video"); 774 if (str) { 775 int streaming_video = parse_stream_video(str); 776 spice_server_set_streaming_video(spice_server, streaming_video); 777 } else { 778 spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF); 779 } 780 781 spice_server_set_agent_mouse 782 (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1)); 783 spice_server_set_playback_compression 784 (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1)); 785 786 qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal); 787 788 spice_server_set_name(spice_server, qemu_name ?: "QEMU " QEMU_VERSION); 789 spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid); 790 791 seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0); 792 spice_server_set_seamless_migration(spice_server, seamless_migration); 793 spice_server_set_sasl_appname(spice_server, "qemu"); 794 if (spice_server_init(spice_server, &core_interface) != 0) { 795 error_report("failed to initialize spice server"); 796 exit(1); 797 }; 798 using_spice = 1; 799 800 migration_state.notify = migration_state_notifier; 801 add_migration_state_change_notifier(&migration_state); 802 spice_migrate.base.sif = &migrate_interface.base; 803 qemu_spice.add_interface(&spice_migrate.base); 804 805 qemu_spice_input_init(); 806 807 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); 808 qemu_spice_display_stop(); 809 810 g_free(x509_key_file); 811 g_free(x509_cert_file); 812 g_free(x509_cacert_file); 813 814 #ifdef HAVE_SPICE_GL 815 if (qemu_opt_get_bool(opts, "gl", 0)) { 816 if ((port != 0) || (tls_port != 0)) { 817 error_report("SPICE GL support is local-only for now and " 818 "incompatible with -spice port/tls-port"); 819 exit(1); 820 } 821 if (egl_rendernode_init(qemu_opt_get(opts, "rendernode"), 822 DISPLAYGL_MODE_ON) != 0) { 823 error_report("Failed to initialize EGL render node for SPICE GL"); 824 exit(1); 825 } 826 display_opengl = 1; 827 spice_opengl = 1; 828 } 829 #endif 830 } 831 832 static int qemu_spice_add_interface(SpiceBaseInstance *sin) 833 { 834 if (!spice_server) { 835 if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) { 836 error_report("Oops: spice configured but not active"); 837 exit(1); 838 } 839 /* 840 * Create a spice server instance. 841 * It does *not* listen on the network. 842 * It handles QXL local rendering only. 843 * 844 * With a command line like '-vnc :0 -vga qxl' you'll end up here. 845 */ 846 spice_server = spice_server_new(); 847 spice_server_set_sasl_appname(spice_server, "qemu"); 848 spice_server_init(spice_server, &core_interface); 849 qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); 850 } 851 852 return spice_server_add_interface(spice_server, sin); 853 } 854 855 static GSList *spice_consoles; 856 857 bool qemu_spice_have_display_interface(QemuConsole *con) 858 { 859 if (g_slist_find(spice_consoles, con)) { 860 return true; 861 } 862 return false; 863 } 864 865 /* 866 * Recursively (in reverse order) appends addresses of PCI devices as it moves 867 * up in the PCI hierarchy. 868 * 869 * @returns true on success, false when the buffer wasn't large enough 870 */ 871 static bool append_pci_address(char *buf, size_t buf_size, const PCIDevice *pci) 872 { 873 PCIBus *bus = pci_get_bus(pci); 874 /* 875 * equivalent to if (!pci_bus_is_root(bus)), but the function is not built 876 * with PCI_CONFIG=n, avoid using an #ifdef by checking directly 877 */ 878 if (bus->parent_dev != NULL) { 879 append_pci_address(buf, buf_size, bus->parent_dev); 880 } 881 882 size_t len = strlen(buf); 883 ssize_t written = snprintf(buf + len, buf_size - len, "/%02x.%x", 884 PCI_SLOT(pci->devfn), PCI_FUNC(pci->devfn)); 885 886 return written > 0 && written < buf_size - len; 887 } 888 889 bool qemu_spice_fill_device_address(QemuConsole *con, 890 char *device_address, 891 size_t size) 892 { 893 DeviceState *dev = DEVICE(object_property_get_link(OBJECT(con), 894 "device", 895 &error_abort)); 896 PCIDevice *pci = (PCIDevice *) object_dynamic_cast(OBJECT(dev), 897 TYPE_PCI_DEVICE); 898 899 if (pci == NULL) { 900 warn_report("Setting device address of a display device to SPICE: " 901 "Not a PCI device."); 902 return false; 903 } 904 905 strncpy(device_address, "pci/0000", size); 906 if (!append_pci_address(device_address, size, pci)) { 907 warn_report("Setting device address of a display device to SPICE: " 908 "Too many PCI devices in the chain."); 909 return false; 910 } 911 912 return true; 913 } 914 915 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con) 916 { 917 if (g_slist_find(spice_consoles, con)) { 918 return -1; 919 } 920 qxlin->id = qemu_console_get_index(con); 921 spice_consoles = g_slist_append(spice_consoles, con); 922 return qemu_spice_add_interface(&qxlin->base); 923 } 924 925 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn) 926 { 927 time_t lifetime, now = time(NULL); 928 char *passwd; 929 930 if (now < auth_expires) { 931 passwd = auth_passwd; 932 lifetime = (auth_expires - now); 933 if (lifetime > INT_MAX) { 934 lifetime = INT_MAX; 935 } 936 } else { 937 passwd = NULL; 938 lifetime = 1; 939 } 940 return spice_server_set_ticket(spice_server, passwd, lifetime, 941 fail_if_conn, disconnect_if_conn); 942 } 943 944 static int qemu_spice_set_passwd(const char *passwd, 945 bool fail_if_conn, bool disconnect_if_conn) 946 { 947 if (strcmp(auth, "spice") != 0) { 948 return -1; 949 } 950 951 g_free(auth_passwd); 952 auth_passwd = g_strdup(passwd); 953 return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn); 954 } 955 956 static int qemu_spice_set_pw_expire(time_t expires) 957 { 958 auth_expires = expires; 959 return qemu_spice_set_ticket(false, false); 960 } 961 962 static int qemu_spice_display_add_client(int csock, int skipauth, int tls) 963 { 964 if (tls) { 965 return spice_server_add_ssl_client(spice_server, csock, skipauth); 966 } else { 967 return spice_server_add_client(spice_server, csock, skipauth); 968 } 969 } 970 971 void qemu_spice_display_start(void) 972 { 973 if (spice_display_is_running) { 974 return; 975 } 976 977 spice_display_is_running = true; 978 spice_server_vm_start(spice_server); 979 } 980 981 void qemu_spice_display_stop(void) 982 { 983 if (!spice_display_is_running) { 984 return; 985 } 986 987 spice_server_vm_stop(spice_server); 988 spice_display_is_running = false; 989 } 990 991 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd) 992 { 993 return spice_display_is_running; 994 } 995 996 static struct QemuSpiceOps real_spice_ops = { 997 .init = qemu_spice_init, 998 .display_init = qemu_spice_display_init, 999 .migrate_info = qemu_spice_migrate_info, 1000 .set_passwd = qemu_spice_set_passwd, 1001 .set_pw_expire = qemu_spice_set_pw_expire, 1002 .display_add_client = qemu_spice_display_add_client, 1003 .add_interface = qemu_spice_add_interface, 1004 .qmp_query = qmp_query_spice_real, 1005 }; 1006 1007 static void spice_register_config(void) 1008 { 1009 qemu_spice = real_spice_ops; 1010 qemu_add_opts(&qemu_spice_opts); 1011 } 1012 opts_init(spice_register_config); 1013