ui/spice-core.c

   1 /*
   2  * Copyright (C) 2010 Red Hat, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 or
   7  * (at your option) version 3 of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "qemu/osdep.h"
  19 #include <spice.h>
  20
  21 #include "sysemu/sysemu.h"
  22 #include "sysemu/runstate.h"
  23 #include "ui/qemu-spice.h"
  24 #include "qemu/error-report.h"
  25 #include "qemu/main-loop.h"
  26 #include "qemu/module.h"
  27 #include "qemu/thread.h"
  28 #include "qemu/timer.h"
  29 #include "qemu/queue.h"
  30 #include "qemu-x509.h"
  31 #include "qemu/sockets.h"
  32 #include "qapi/error.h"
  33 #include "qapi/qapi-commands-ui.h"
  34 #include "qapi/qapi-events-ui.h"
  35 #include "qemu/notify.h"
  36 #include "qemu/option.h"
  37 #include "crypto/secret_common.h"
  38 #include "migration/misc.h"
  39 #include "hw/pci/pci_bus.h"
  40 #include "ui/spice-display.h"
  41
  42 /* core bits */
  43
  44 static SpiceServer *spice_server;
  45 static Notifier migration_state;
  46 static const char *auth = "spice";
  47 static char *auth_passwd;
  48 static time_t auth_expires = TIME_MAX;
  49 static int spice_migration_completed;
  50 static int spice_display_is_running;
  51 static int spice_have_target_host;
  52
  53 static QemuThread me;
  54
  55 struct SpiceTimer {
  56     QEMUTimer *timer;
  57 };
  58
  59 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
  60 {
  61     SpiceTimer *timer;
  62
  63     timer = g_malloc0(sizeof(*timer));
  64     timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
  65     return timer;
  66 }
  67
  68 static void timer_start(SpiceTimer *timer, uint32_t ms)
  69 {
  70     timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
  71 }
  72
  73 static void timer_cancel(SpiceTimer *timer)
  74 {
  75     timer_del(timer->timer);
  76 }
  77
  78 static void timer_remove(SpiceTimer *timer)
  79 {
  80     timer_free(timer->timer);
  81     g_free(timer);
  82 }
  83
  84 struct SpiceWatch {
  85     int fd;
  86     SpiceWatchFunc func;
  87     void *opaque;
  88 };
  89
  90 static void watch_read(void *opaque)
  91 {
  92     SpiceWatch *watch = opaque;
  93     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
  94 }
  95
  96 static void watch_write(void *opaque)
  97 {
  98     SpiceWatch *watch = opaque;
  99     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
 100 }
 101
 102 static void watch_update_mask(SpiceWatch *watch, int event_mask)
 103 {
 104     IOHandler *on_read = NULL;
 105     IOHandler *on_write = NULL;
 106
 107     if (event_mask & SPICE_WATCH_EVENT_READ) {
 108         on_read = watch_read;
 109     }
 110     if (event_mask & SPICE_WATCH_EVENT_WRITE) {
 111         on_write = watch_write;
 112     }
 113     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
 114 }
 115
 116 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 117 {
 118     SpiceWatch *watch;
 119
 120     watch = g_malloc0(sizeof(*watch));
 121     watch->fd     = fd;
 122     watch->func   = func;
 123     watch->opaque = opaque;
 124
 125     watch_update_mask(watch, event_mask);
 126     return watch;
 127 }
 128
 129 static void watch_remove(SpiceWatch *watch)
 130 {
 131     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
 132     g_free(watch);
 133 }
 134
 135 typedef struct ChannelList ChannelList;
 136 struct ChannelList {
 137     SpiceChannelEventInfo *info;
 138     QTAILQ_ENTRY(ChannelList) link;
 139 };
 140 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
 141
 142 static void channel_list_add(SpiceChannelEventInfo *info)
 143 {
 144     ChannelList *item;
 145
 146     item = g_malloc0(sizeof(*item));
 147     item->info = info;
 148     QTAILQ_INSERT_TAIL(&channel_list, item, link);
 149 }
 150
 151 static void channel_list_del(SpiceChannelEventInfo *info)
 152 {
 153     ChannelList *item;
 154
 155     QTAILQ_FOREACH(item, &channel_list, link) {
 156         if (item->info != info) {
 157             continue;
 158         }
 159         QTAILQ_REMOVE(&channel_list, item, link);
 160         g_free(item);
 161         return;
 162     }
 163 }
 164
 165 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
 166 {
 167     char host[NI_MAXHOST], port[NI_MAXSERV];
 168
 169     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
 170                 NI_NUMERICHOST | NI_NUMERICSERV);
 171
 172     info->host = g_strdup(host);
 173     info->port = g_strdup(port);
 174     info->family = inet_netfamily(addr->sa_family);
 175 }
 176
 177 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
 178 {
 179     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 180
 181     sc->connection_id = info->connection_id;
 182     sc->channel_type = info->type;
 183     sc->channel_id = info->id;
 184     sc->tls = !!tls;
 185 }
 186
 187 static void channel_event(int event, SpiceChannelEventInfo *info)
 188 {
 189     SpiceServerInfo *server = g_malloc0(sizeof(*server));
 190     SpiceChannel *client = g_malloc0(sizeof(*client));
 191
 192     /*
 193      * Spice server might have called us from spice worker thread
 194      * context (happens on display channel disconnects).  Spice should
 195      * not do that.  It isn't that easy to fix it in spice and even
 196      * when it is fixed we still should cover the already released
 197      * spice versions.  So detect that we've been called from another
 198      * thread and grab the iothread lock if so before calling qemu
 199      * functions.
 200      */
 201     bool need_lock = !qemu_thread_is_self(&me);
 202     if (need_lock) {
 203         qemu_mutex_lock_iothread();
 204     }
 205
 206     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 207         add_addr_info(qapi_SpiceChannel_base(client),
 208                       (struct sockaddr *)&info->paddr_ext,
 209                       info->plen_ext);
 210         add_addr_info(qapi_SpiceServerInfo_base(server),
 211                       (struct sockaddr *)&info->laddr_ext,
 212                       info->llen_ext);
 213     } else {
 214         error_report("spice: %s, extended address is expected",
 215                      __func__);
 216     }
 217
 218     switch (event) {
 219     case SPICE_CHANNEL_EVENT_CONNECTED:
 220         qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server),
 221                                         qapi_SpiceChannel_base(client));
 222         break;
 223     case SPICE_CHANNEL_EVENT_INITIALIZED:
 224         if (auth) {
 225             server->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 *head = NULL, **tail = &head;
 358     ChannelList *item;
 359
 360     QTAILQ_FOREACH(item, &channel_list, link) {
 361         SpiceChannel *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
 370         paddr = (struct sockaddr *)&item->info->paddr_ext;
 371         plen = item->info->plen_ext;
 372         getnameinfo(paddr, plen,
 373                     host, sizeof(host), port, sizeof(port),
 374                     NI_NUMERICHOST | NI_NUMERICSERV);
 375         chan->host = g_strdup(host);
 376         chan->port = g_strdup(port);
 377         chan->family = inet_netfamily(paddr->sa_family);
 378
 379         chan->connection_id = item->info->connection_id;
 380         chan->channel_type = item->info->type;
 381         chan->channel_id = item->info->id;
 382         chan->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 383
 384         QAPI_LIST_APPEND(tail, chan);
 385     }
 386
 387     return head;
 388 }
 389
 390 static QemuOptsList qemu_spice_opts = {
 391     .name = "spice",
 392     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
 393     .merge_lists = true,
 394     .desc = {
 395         {
 396             .name = "port",
 397             .type = QEMU_OPT_NUMBER,
 398         },{
 399             .name = "tls-port",
 400             .type = QEMU_OPT_NUMBER,
 401         },{
 402             .name = "addr",
 403             .type = QEMU_OPT_STRING,
 404         },{
 405             .name = "ipv4",
 406             .type = QEMU_OPT_BOOL,
 407         },{
 408             .name = "ipv6",
 409             .type = QEMU_OPT_BOOL,
 410 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 411         },{
 412             .name = "unix",
 413             .type = QEMU_OPT_BOOL,
 414 #endif
 415         },{
 416             .name = "password-secret",
 417             .type = QEMU_OPT_STRING,
 418         },{
 419             .name = "disable-ticketing",
 420             .type = QEMU_OPT_BOOL,
 421         },{
 422             .name = "disable-copy-paste",
 423             .type = QEMU_OPT_BOOL,
 424         },{
 425             .name = "disable-agent-file-xfer",
 426             .type = QEMU_OPT_BOOL,
 427         },{
 428             .name = "sasl",
 429             .type = QEMU_OPT_BOOL,
 430         },{
 431             .name = "x509-dir",
 432             .type = QEMU_OPT_STRING,
 433         },{
 434             .name = "x509-key-file",
 435             .type = QEMU_OPT_STRING,
 436         },{
 437             .name = "x509-key-password",
 438             .type = QEMU_OPT_STRING,
 439         },{
 440             .name = "x509-cert-file",
 441             .type = QEMU_OPT_STRING,
 442         },{
 443             .name = "x509-cacert-file",
 444             .type = QEMU_OPT_STRING,
 445         },{
 446             .name = "x509-dh-key-file",
 447             .type = QEMU_OPT_STRING,
 448         },{
 449             .name = "tls-ciphers",
 450             .type = QEMU_OPT_STRING,
 451         },{
 452             .name = "tls-channel",
 453             .type = QEMU_OPT_STRING,
 454         },{
 455             .name = "plaintext-channel",
 456             .type = QEMU_OPT_STRING,
 457         },{
 458             .name = "image-compression",
 459             .type = QEMU_OPT_STRING,
 460         },{
 461             .name = "jpeg-wan-compression",
 462             .type = QEMU_OPT_STRING,
 463         },{
 464             .name = "zlib-glz-wan-compression",
 465             .type = QEMU_OPT_STRING,
 466         },{
 467             .name = "streaming-video",
 468             .type = QEMU_OPT_STRING,
 469         },{
 470             .name = "agent-mouse",
 471             .type = QEMU_OPT_BOOL,
 472         },{
 473             .name = "playback-compression",
 474             .type = QEMU_OPT_BOOL,
 475         },{
 476             .name = "seamless-migration",
 477             .type = QEMU_OPT_BOOL,
 478         },{
 479             .name = "display",
 480             .type = QEMU_OPT_STRING,
 481         },{
 482             .name = "head",
 483             .type = QEMU_OPT_NUMBER,
 484 #ifdef HAVE_SPICE_GL
 485         },{
 486             .name = "gl",
 487             .type = QEMU_OPT_BOOL,
 488         },{
 489             .name = "rendernode",
 490             .type = QEMU_OPT_STRING,
 491 #endif
 492         },
 493         { /* end of list */ }
 494     },
 495 };
 496
 497 static SpiceInfo *qmp_query_spice_real(Error **errp)
 498 {
 499     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 500     int port, tls_port;
 501     const char *addr;
 502     SpiceInfo *info;
 503     unsigned int major;
 504     unsigned int minor;
 505     unsigned int micro;
 506
 507     info = g_malloc0(sizeof(*info));
 508
 509     if (!spice_server || !opts) {
 510         info->enabled = false;
 511         return info;
 512     }
 513
 514     info->enabled = true;
 515     info->migrated = spice_migration_completed;
 516
 517     addr = qemu_opt_get(opts, "addr");
 518     port = qemu_opt_get_number(opts, "port", 0);
 519     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 520
 521     info->auth = g_strdup(auth);
 522     info->host = g_strdup(addr ? addr : "*");
 523
 524     major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
 525     minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
 526     micro = SPICE_SERVER_VERSION & 0xff;
 527     info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
 528
 529     if (port) {
 530         info->has_port = true;
 531         info->port = port;
 532     }
 533     if (tls_port) {
 534         info->has_tls_port = true;
 535         info->tls_port = tls_port;
 536     }
 537
 538     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
 539                        SPICE_QUERY_MOUSE_MODE_SERVER :
 540                        SPICE_QUERY_MOUSE_MODE_CLIENT;
 541
 542     /* for compatibility with the original command */
 543     info->has_channels = true;
 544     info->channels = qmp_query_spice_channels();
 545
 546     return info;
 547 }
 548
 549 static void migration_state_notifier(Notifier *notifier, void *data)
 550 {
 551     MigrationState *s = data;
 552
 553     if (!spice_have_target_host) {
 554         return;
 555     }
 556
 557     if (migration_in_setup(s)) {
 558         spice_server_migrate_start(spice_server);
 559     } else if (migration_has_finished(s) ||
 560                migration_in_postcopy_after_devices(s)) {
 561         spice_server_migrate_end(spice_server, true);
 562         spice_have_target_host = false;
 563     } else if (migration_has_failed(s)) {
 564         spice_server_migrate_end(spice_server, false);
 565         spice_have_target_host = false;
 566     }
 567 }
 568
 569 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 570                             const char *subject)
 571 {
 572     int ret;
 573
 574     ret = spice_server_migrate_connect(spice_server, hostname,
 575                                        port, tls_port, subject);
 576     spice_have_target_host = true;
 577     return ret;
 578 }
 579
 580 static int add_channel(void *opaque, const char *name, const char *value,
 581                        Error **errp)
 582 {
 583     int security = 0;
 584     int rc;
 585
 586     if (strcmp(name, "tls-channel") == 0) {
 587         int *tls_port = opaque;
 588         if (!*tls_port) {
 589             error_setg(errp, "spice: tried to setup tls-channel"
 590                        " without specifying a TLS port");
 591             return -1;
 592         }
 593         security = SPICE_CHANNEL_SECURITY_SSL;
 594     }
 595     if (strcmp(name, "plaintext-channel") == 0) {
 596         security = SPICE_CHANNEL_SECURITY_NONE;
 597     }
 598     if (security == 0) {
 599         return 0;
 600     }
 601     if (strcmp(value, "default") == 0) {
 602         rc = spice_server_set_channel_security(spice_server, NULL, security);
 603     } else {
 604         rc = spice_server_set_channel_security(spice_server, value, security);
 605     }
 606     if (rc != 0) {
 607         error_setg(errp, "spice: failed to set channel security for %s",
 608                    value);
 609         return -1;
 610     }
 611     return 0;
 612 }
 613
 614 static void vm_change_state_handler(void *opaque, bool running,
 615                                     RunState state)
 616 {
 617     if (running) {
 618         qemu_spice_display_start();
 619     } else if (state != RUN_STATE_PAUSED) {
 620         qemu_spice_display_stop();
 621     }
 622 }
 623
 624 void qemu_spice_display_init_done(void)
 625 {
 626     if (runstate_is_running()) {
 627         qemu_spice_display_start();
 628     }
 629     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 630 }
 631
 632 static void qemu_spice_init(void)
 633 {
 634     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 635     char *password = NULL;
 636     const char *passwordSecret;
 637     const char *str, *x509_dir, *addr,
 638         *x509_key_password = NULL,
 639         *x509_dh_file = NULL,
 640         *tls_ciphers = NULL;
 641     char *x509_key_file = NULL,
 642         *x509_cert_file = NULL,
 643         *x509_cacert_file = NULL;
 644     int port, tls_port, addr_flags;
 645     spice_image_compression_t compression;
 646     spice_wan_compression_t wan_compr;
 647     bool seamless_migration;
 648
 649     qemu_thread_get_self(&me);
 650
 651     if (!opts) {
 652         return;
 653     }
 654     port = qemu_opt_get_number(opts, "port", 0);
 655     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 656     if (port < 0 || port > 65535) {
 657         error_report("spice port is out of range");
 658         exit(1);
 659     }
 660     if (tls_port < 0 || tls_port > 65535) {
 661         error_report("spice tls-port is out of range");
 662         exit(1);
 663     }
 664     passwordSecret = qemu_opt_get(opts, "password-secret");
 665     if (passwordSecret) {
 666         password = qcrypto_secret_lookup_as_utf8(passwordSecret,
 667                                                  &error_fatal);
 668     }
 669
 670     if (tls_port) {
 671         x509_dir = qemu_opt_get(opts, "x509-dir");
 672         if (!x509_dir) {
 673             x509_dir = ".";
 674         }
 675
 676         str = qemu_opt_get(opts, "x509-key-file");
 677         if (str) {
 678             x509_key_file = g_strdup(str);
 679         } else {
 680             x509_key_file = g_strdup_printf("%s/%s", x509_dir,
 681                                             X509_SERVER_KEY_FILE);
 682         }
 683
 684         str = qemu_opt_get(opts, "x509-cert-file");
 685         if (str) {
 686             x509_cert_file = g_strdup(str);
 687         } else {
 688             x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
 689                                              X509_SERVER_CERT_FILE);
 690         }
 691
 692         str = qemu_opt_get(opts, "x509-cacert-file");
 693         if (str) {
 694             x509_cacert_file = g_strdup(str);
 695         } else {
 696             x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
 697                                                X509_CA_CERT_FILE);
 698         }
 699
 700         x509_key_password = qemu_opt_get(opts, "x509-key-password");
 701         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
 702         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
 703     }
 704
 705     addr = qemu_opt_get(opts, "addr");
 706     addr_flags = 0;
 707     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
 708         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
 709     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
 710         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
 711 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 712     } else if (qemu_opt_get_bool(opts, "unix", 0)) {
 713         addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY;
 714 #endif
 715     }
 716
 717     spice_server = spice_server_new();
 718     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
 719     if (port) {
 720         spice_server_set_port(spice_server, port);
 721     }
 722     if (tls_port) {
 723         spice_server_set_tls(spice_server, tls_port,
 724                              x509_cacert_file,
 725                              x509_cert_file,
 726                              x509_key_file,
 727                              x509_key_password,
 728                              x509_dh_file,
 729                              tls_ciphers);
 730     }
 731     if (password) {
 732         qemu_spice.set_passwd(password, false, false);
 733     }
 734     if (qemu_opt_get_bool(opts, "sasl", 0)) {
 735         if (spice_server_set_sasl(spice_server, 1) == -1) {
 736             error_report("spice: failed to enable sasl");
 737             exit(1);
 738         }
 739         auth = "sasl";
 740     }
 741     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 742         auth = "none";
 743         spice_server_set_noauth(spice_server);
 744     }
 745
 746     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 747         spice_server_set_agent_copypaste(spice_server, false);
 748     }
 749
 750     if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
 751         spice_server_set_agent_file_xfer(spice_server, false);
 752     }
 753
 754     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 755     str = qemu_opt_get(opts, "image-compression");
 756     if (str) {
 757         compression = parse_compression(str);
 758     }
 759     spice_server_set_image_compression(spice_server, compression);
 760
 761     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 762     str = qemu_opt_get(opts, "jpeg-wan-compression");
 763     if (str) {
 764         wan_compr = parse_wan_compression(str);
 765     }
 766     spice_server_set_jpeg_compression(spice_server, wan_compr);
 767
 768     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 769     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 770     if (str) {
 771         wan_compr = parse_wan_compression(str);
 772     }
 773     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 774
 775     str = qemu_opt_get(opts, "streaming-video");
 776     if (str) {
 777         int streaming_video = parse_stream_video(str);
 778         spice_server_set_streaming_video(spice_server, streaming_video);
 779     } else {
 780         spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
 781     }
 782
 783     spice_server_set_agent_mouse
 784         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 785     spice_server_set_playback_compression
 786         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 787
 788     qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal);
 789
 790     spice_server_set_name(spice_server, qemu_name ?: "QEMU " QEMU_VERSION);
 791     spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid);
 792
 793     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
 794     spice_server_set_seamless_migration(spice_server, seamless_migration);
 795     spice_server_set_sasl_appname(spice_server, "qemu");
 796     if (spice_server_init(spice_server, &core_interface) != 0) {
 797         error_report("failed to initialize spice server");
 798         exit(1);
 799     };
 800     using_spice = 1;
 801
 802     migration_state.notify = migration_state_notifier;
 803     add_migration_state_change_notifier(&migration_state);
 804     spice_migrate.base.sif = &migrate_interface.base;
 805     qemu_spice.add_interface(&spice_migrate.base);
 806
 807     qemu_spice_input_init();
 808
 809     qemu_spice_display_stop();
 810
 811     g_free(x509_key_file);
 812     g_free(x509_cert_file);
 813     g_free(x509_cacert_file);
 814     g_free(password);
 815
 816 #ifdef HAVE_SPICE_GL
 817     if (qemu_opt_get_bool(opts, "gl", 0)) {
 818         if ((port != 0) || (tls_port != 0)) {
 819             error_report("SPICE GL support is local-only for now and "
 820                          "incompatible with -spice port/tls-port");
 821             exit(1);
 822         }
 823         if (egl_rendernode_init(qemu_opt_get(opts, "rendernode"),
 824                                 DISPLAYGL_MODE_ON) != 0) {
 825             error_report("Failed to initialize EGL render node for SPICE GL");
 826             exit(1);
 827         }
 828         display_opengl = 1;
 829         spice_opengl = 1;
 830     }
 831 #endif
 832 }
 833
 834 static int qemu_spice_add_interface(SpiceBaseInstance *sin)
 835 {
 836     if (!spice_server) {
 837         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 838             error_report("Oops: spice configured but not active");
 839             exit(1);
 840         }
 841         /*
 842          * Create a spice server instance.
 843          * It does *not* listen on the network.
 844          * It handles QXL local rendering only.
 845          *
 846          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 847          */
 848         spice_server = spice_server_new();
 849         spice_server_set_sasl_appname(spice_server, "qemu");
 850         spice_server_init(spice_server, &core_interface);
 851         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 852     }
 853
 854     return spice_server_add_interface(spice_server, sin);
 855 }
 856
 857 static GSList *spice_consoles;
 858
 859 bool qemu_spice_have_display_interface(QemuConsole *con)
 860 {
 861     if (g_slist_find(spice_consoles, con)) {
 862         return true;
 863     }
 864     return false;
 865 }
 866
 867 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
 868 {
 869     if (g_slist_find(spice_consoles, con)) {
 870         return -1;
 871     }
 872     qxlin->id = qemu_console_get_index(con);
 873     spice_consoles = g_slist_append(spice_consoles, con);
 874     return qemu_spice_add_interface(&qxlin->base);
 875 }
 876
 877 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 878 {
 879     time_t lifetime, now = time(NULL);
 880     char *passwd;
 881
 882     if (now < auth_expires) {
 883         passwd = auth_passwd;
 884         lifetime = (auth_expires - now);
 885         if (lifetime > INT_MAX) {
 886             lifetime = INT_MAX;
 887         }
 888     } else {
 889         passwd = NULL;
 890         lifetime = 1;
 891     }
 892     return spice_server_set_ticket(spice_server, passwd, lifetime,
 893                                    fail_if_conn, disconnect_if_conn);
 894 }
 895
 896 static int qemu_spice_set_passwd(const char *passwd,
 897                                  bool fail_if_conn, bool disconnect_if_conn)
 898 {
 899     if (strcmp(auth, "spice") != 0) {
 900         return -1;
 901     }
 902
 903     g_free(auth_passwd);
 904     auth_passwd = g_strdup(passwd);
 905     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 906 }
 907
 908 static int qemu_spice_set_pw_expire(time_t expires)
 909 {
 910     auth_expires = expires;
 911     return qemu_spice_set_ticket(false, false);
 912 }
 913
 914 static int qemu_spice_display_add_client(int csock, int skipauth, int tls)
 915 {
 916     if (tls) {
 917         return spice_server_add_ssl_client(spice_server, csock, skipauth);
 918     } else {
 919         return spice_server_add_client(spice_server, csock, skipauth);
 920     }
 921 }
 922
 923 void qemu_spice_display_start(void)
 924 {
 925     if (spice_display_is_running) {
 926         return;
 927     }
 928
 929     spice_display_is_running = true;
 930     spice_server_vm_start(spice_server);
 931 }
 932
 933 void qemu_spice_display_stop(void)
 934 {
 935     if (!spice_display_is_running) {
 936         return;
 937     }
 938
 939     spice_server_vm_stop(spice_server);
 940     spice_display_is_running = false;
 941 }
 942
 943 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
 944 {
 945     return spice_display_is_running;
 946 }
 947
 948 static struct QemuSpiceOps real_spice_ops = {
 949     .init         = qemu_spice_init,
 950     .display_init = qemu_spice_display_init,
 951     .migrate_info = qemu_spice_migrate_info,
 952     .set_passwd   = qemu_spice_set_passwd,
 953     .set_pw_expire = qemu_spice_set_pw_expire,
 954     .display_add_client = qemu_spice_display_add_client,
 955     .add_interface = qemu_spice_add_interface,
 956     .qmp_query = qmp_query_spice_real,
 957 };
 958
 959 static void spice_register_config(void)
 960 {
 961     qemu_spice = real_spice_ops;
 962     qemu_add_opts(&qemu_spice_opts);
 963 }
 964 opts_init(spice_register_config);
 965 module_opts("spice");
 966
 967 #ifdef HAVE_SPICE_GL
 968 module_dep("ui-opengl");
 969 #endif