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 <spice.h>
  19
  20 #include <netdb.h>
  21 #include "sysemu/sysemu.h"
  22
  23 #include "qemu-common.h"
  24 #include "ui/qemu-spice.h"
  25 #include "qemu/thread.h"
  26 #include "qemu/timer.h"
  27 #include "qemu/queue.h"
  28 #include "qemu-x509.h"
  29 #include "qemu/sockets.h"
  30 #include "qmp-commands.h"
  31 #include "qapi/qmp/qint.h"
  32 #include "qapi/qmp/qbool.h"
  33 #include "qapi/qmp/qstring.h"
  34 #include "qapi/qmp/qjson.h"
  35 #include "qemu/notify.h"
  36 #include "migration/migration.h"
  37 #include "hw/hw.h"
  38 #include "ui/spice-display.h"
  39 #include "qapi-event.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     QTAILQ_ENTRY(SpiceTimer) next;
  58 };
  59 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
  60
  61 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
  62 {
  63     SpiceTimer *timer;
  64
  65     timer = g_malloc0(sizeof(*timer));
  66     timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
  67     QTAILQ_INSERT_TAIL(&timers, timer, next);
  68     return timer;
  69 }
  70
  71 static void timer_start(SpiceTimer *timer, uint32_t ms)
  72 {
  73     timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
  74 }
  75
  76 static void timer_cancel(SpiceTimer *timer)
  77 {
  78     timer_del(timer->timer);
  79 }
  80
  81 static void timer_remove(SpiceTimer *timer)
  82 {
  83     timer_del(timer->timer);
  84     timer_free(timer->timer);
  85     QTAILQ_REMOVE(&timers, timer, next);
  86     g_free(timer);
  87 }
  88
  89 struct SpiceWatch {
  90     int fd;
  91     int event_mask;
  92     SpiceWatchFunc func;
  93     void *opaque;
  94     QTAILQ_ENTRY(SpiceWatch) next;
  95 };
  96 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
  97
  98 static void watch_read(void *opaque)
  99 {
 100     SpiceWatch *watch = opaque;
 101     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
 102 }
 103
 104 static void watch_write(void *opaque)
 105 {
 106     SpiceWatch *watch = opaque;
 107     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
 108 }
 109
 110 static void watch_update_mask(SpiceWatch *watch, int event_mask)
 111 {
 112     IOHandler *on_read = NULL;
 113     IOHandler *on_write = NULL;
 114
 115     watch->event_mask = event_mask;
 116     if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
 117         on_read = watch_read;
 118     }
 119     if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
 120         on_write = watch_write;
 121     }
 122     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
 123 }
 124
 125 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 126 {
 127     SpiceWatch *watch;
 128
 129     watch = g_malloc0(sizeof(*watch));
 130     watch->fd     = fd;
 131     watch->func   = func;
 132     watch->opaque = opaque;
 133     QTAILQ_INSERT_TAIL(&watches, watch, next);
 134
 135     watch_update_mask(watch, event_mask);
 136     return watch;
 137 }
 138
 139 static void watch_remove(SpiceWatch *watch)
 140 {
 141     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
 142     QTAILQ_REMOVE(&watches, watch, next);
 143     g_free(watch);
 144 }
 145
 146 typedef struct ChannelList ChannelList;
 147 struct ChannelList {
 148     SpiceChannelEventInfo *info;
 149     QTAILQ_ENTRY(ChannelList) link;
 150 };
 151 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
 152
 153 static void channel_list_add(SpiceChannelEventInfo *info)
 154 {
 155     ChannelList *item;
 156
 157     item = g_malloc0(sizeof(*item));
 158     item->info = info;
 159     QTAILQ_INSERT_TAIL(&channel_list, item, link);
 160 }
 161
 162 static void channel_list_del(SpiceChannelEventInfo *info)
 163 {
 164     ChannelList *item;
 165
 166     QTAILQ_FOREACH(item, &channel_list, link) {
 167         if (item->info != info) {
 168             continue;
 169         }
 170         QTAILQ_REMOVE(&channel_list, item, link);
 171         g_free(item);
 172         return;
 173     }
 174 }
 175
 176 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
 177 {
 178     char host[NI_MAXHOST], port[NI_MAXSERV];
 179
 180     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
 181                 NI_NUMERICHOST | NI_NUMERICSERV);
 182
 183     info->host = g_strdup(host);
 184     info->port = g_strdup(port);
 185     info->family = inet_netfamily(addr->sa_family);
 186 }
 187
 188 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
 189 {
 190     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 191
 192     sc->connection_id = info->connection_id;
 193     sc->channel_type = info->type;
 194     sc->channel_id = info->id;
 195     sc->tls = !!tls;
 196 }
 197
 198 static void channel_event(int event, SpiceChannelEventInfo *info)
 199 {
 200     SpiceServerInfo *server = g_malloc0(sizeof(*server));
 201     SpiceChannel *client = g_malloc0(sizeof(*client));
 202     server->base = g_malloc0(sizeof(*server->base));
 203     client->base = g_malloc0(sizeof(*client->base));
 204
 205     /*
 206      * Spice server might have called us from spice worker thread
 207      * context (happens on display channel disconnects).  Spice should
 208      * not do that.  It isn't that easy to fix it in spice and even
 209      * when it is fixed we still should cover the already released
 210      * spice versions.  So detect that we've been called from another
 211      * thread and grab the iothread lock if so before calling qemu
 212      * functions.
 213      */
 214     bool need_lock = !qemu_thread_is_self(&me);
 215     if (need_lock) {
 216         qemu_mutex_lock_iothread();
 217     }
 218
 219     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 220         add_addr_info(client->base, (struct sockaddr *)&info->paddr_ext,
 221                       info->plen_ext);
 222         add_addr_info(server->base, (struct sockaddr *)&info->laddr_ext,
 223                       info->llen_ext);
 224     } else {
 225         error_report("spice: %s, extended address is expected",
 226                      __func__);
 227     }
 228
 229     switch (event) {
 230     case SPICE_CHANNEL_EVENT_CONNECTED:
 231         qapi_event_send_spice_connected(server->base, client->base, &error_abort);
 232         break;
 233     case SPICE_CHANNEL_EVENT_INITIALIZED:
 234         if (auth) {
 235             server->has_auth = true;
 236             server->auth = g_strdup(auth);
 237         }
 238         add_channel_info(client, info);
 239         channel_list_add(info);
 240         qapi_event_send_spice_initialized(server, client, &error_abort);
 241         break;
 242     case SPICE_CHANNEL_EVENT_DISCONNECTED:
 243         channel_list_del(info);
 244         qapi_event_send_spice_disconnected(server->base, client->base, &error_abort);
 245         break;
 246     default:
 247         break;
 248     }
 249
 250     if (need_lock) {
 251         qemu_mutex_unlock_iothread();
 252     }
 253
 254     qapi_free_SpiceServerInfo(server);
 255     qapi_free_SpiceChannel(client);
 256 }
 257
 258 static SpiceCoreInterface core_interface = {
 259     .base.type          = SPICE_INTERFACE_CORE,
 260     .base.description   = "qemu core services",
 261     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
 262     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
 263
 264     .timer_add          = timer_add,
 265     .timer_start        = timer_start,
 266     .timer_cancel       = timer_cancel,
 267     .timer_remove       = timer_remove,
 268
 269     .watch_add          = watch_add,
 270     .watch_update_mask  = watch_update_mask,
 271     .watch_remove       = watch_remove,
 272
 273     .channel_event      = channel_event,
 274 };
 275
 276 typedef struct SpiceMigration {
 277     SpiceMigrateInstance sin;
 278     struct {
 279         MonitorCompletion *cb;
 280         void *opaque;
 281     } connect_complete;
 282 } SpiceMigration;
 283
 284 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
 285 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
 286
 287 static const SpiceMigrateInterface migrate_interface = {
 288     .base.type = SPICE_INTERFACE_MIGRATION,
 289     .base.description = "migration",
 290     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
 291     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
 292     .migrate_connect_complete = migrate_connect_complete_cb,
 293     .migrate_end_complete = migrate_end_complete_cb,
 294 };
 295
 296 static SpiceMigration spice_migrate;
 297
 298 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
 299 {
 300     SpiceMigration *sm = container_of(sin, SpiceMigration, sin);
 301     if (sm->connect_complete.cb) {
 302         sm->connect_complete.cb(sm->connect_complete.opaque, NULL);
 303     }
 304     sm->connect_complete.cb = NULL;
 305 }
 306
 307 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
 308 {
 309     qapi_event_send_spice_migrate_completed(&error_abort);
 310     spice_migration_completed = true;
 311 }
 312
 313 /* config string parsing */
 314
 315 static int name2enum(const char *string, const char *table[], int entries)
 316 {
 317     int i;
 318
 319     if (string) {
 320         for (i = 0; i < entries; i++) {
 321             if (!table[i]) {
 322                 continue;
 323             }
 324             if (strcmp(string, table[i]) != 0) {
 325                 continue;
 326             }
 327             return i;
 328         }
 329     }
 330     return -1;
 331 }
 332
 333 static int parse_name(const char *string, const char *optname,
 334                       const char *table[], int entries)
 335 {
 336     int value = name2enum(string, table, entries);
 337
 338     if (value != -1) {
 339         return value;
 340     }
 341     error_report("spice: invalid %s: %s", optname, string);
 342     exit(1);
 343 }
 344
 345 static const char *stream_video_names[] = {
 346     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
 347     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
 348     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
 349 };
 350 #define parse_stream_video(_name) \
 351     parse_name(_name, "stream video control", \
 352                stream_video_names, ARRAY_SIZE(stream_video_names))
 353
 354 static const char *compression_names[] = {
 355     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
 356     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
 357     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
 358     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
 359     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
 360     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
 361 };
 362 #define parse_compression(_name)                                        \
 363     parse_name(_name, "image compression",                              \
 364                compression_names, ARRAY_SIZE(compression_names))
 365
 366 static const char *wan_compression_names[] = {
 367     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
 368     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
 369     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
 370 };
 371 #define parse_wan_compression(_name)                                    \
 372     parse_name(_name, "wan compression",                                \
 373                wan_compression_names, ARRAY_SIZE(wan_compression_names))
 374
 375 /* functions for the rest of qemu */
 376
 377 static SpiceChannelList *qmp_query_spice_channels(void)
 378 {
 379     SpiceChannelList *cur_item = NULL, *head = NULL;
 380     ChannelList *item;
 381
 382     QTAILQ_FOREACH(item, &channel_list, link) {
 383         SpiceChannelList *chan;
 384         char host[NI_MAXHOST], port[NI_MAXSERV];
 385         struct sockaddr *paddr;
 386         socklen_t plen;
 387
 388         assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT);
 389
 390         chan = g_malloc0(sizeof(*chan));
 391         chan->value = g_malloc0(sizeof(*chan->value));
 392         chan->value->base = g_malloc0(sizeof(*chan->value->base));
 393
 394         paddr = (struct sockaddr *)&item->info->paddr_ext;
 395         plen = item->info->plen_ext;
 396         getnameinfo(paddr, plen,
 397                     host, sizeof(host), port, sizeof(port),
 398                     NI_NUMERICHOST | NI_NUMERICSERV);
 399         chan->value->base->host = g_strdup(host);
 400         chan->value->base->port = g_strdup(port);
 401         chan->value->base->family = inet_netfamily(paddr->sa_family);
 402
 403         chan->value->connection_id = item->info->connection_id;
 404         chan->value->channel_type = item->info->type;
 405         chan->value->channel_id = item->info->id;
 406         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 407
 408        /* XXX: waiting for the qapi to support GSList */
 409         if (!cur_item) {
 410             head = cur_item = chan;
 411         } else {
 412             cur_item->next = chan;
 413             cur_item = chan;
 414         }
 415     }
 416
 417     return head;
 418 }
 419
 420 static QemuOptsList qemu_spice_opts = {
 421     .name = "spice",
 422     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
 423     .desc = {
 424         {
 425             .name = "port",
 426             .type = QEMU_OPT_NUMBER,
 427         },{
 428             .name = "tls-port",
 429             .type = QEMU_OPT_NUMBER,
 430         },{
 431             .name = "addr",
 432             .type = QEMU_OPT_STRING,
 433         },{
 434             .name = "ipv4",
 435             .type = QEMU_OPT_BOOL,
 436         },{
 437             .name = "ipv6",
 438             .type = QEMU_OPT_BOOL,
 439         },{
 440             .name = "password",
 441             .type = QEMU_OPT_STRING,
 442         },{
 443             .name = "disable-ticketing",
 444             .type = QEMU_OPT_BOOL,
 445         },{
 446             .name = "disable-copy-paste",
 447             .type = QEMU_OPT_BOOL,
 448         },{
 449             .name = "disable-agent-file-xfer",
 450             .type = QEMU_OPT_BOOL,
 451         },{
 452             .name = "sasl",
 453             .type = QEMU_OPT_BOOL,
 454         },{
 455             .name = "x509-dir",
 456             .type = QEMU_OPT_STRING,
 457         },{
 458             .name = "x509-key-file",
 459             .type = QEMU_OPT_STRING,
 460         },{
 461             .name = "x509-key-password",
 462             .type = QEMU_OPT_STRING,
 463         },{
 464             .name = "x509-cert-file",
 465             .type = QEMU_OPT_STRING,
 466         },{
 467             .name = "x509-cacert-file",
 468             .type = QEMU_OPT_STRING,
 469         },{
 470             .name = "x509-dh-key-file",
 471             .type = QEMU_OPT_STRING,
 472         },{
 473             .name = "tls-ciphers",
 474             .type = QEMU_OPT_STRING,
 475         },{
 476             .name = "tls-channel",
 477             .type = QEMU_OPT_STRING,
 478         },{
 479             .name = "plaintext-channel",
 480             .type = QEMU_OPT_STRING,
 481         },{
 482             .name = "image-compression",
 483             .type = QEMU_OPT_STRING,
 484         },{
 485             .name = "jpeg-wan-compression",
 486             .type = QEMU_OPT_STRING,
 487         },{
 488             .name = "zlib-glz-wan-compression",
 489             .type = QEMU_OPT_STRING,
 490         },{
 491             .name = "streaming-video",
 492             .type = QEMU_OPT_STRING,
 493         },{
 494             .name = "agent-mouse",
 495             .type = QEMU_OPT_BOOL,
 496         },{
 497             .name = "playback-compression",
 498             .type = QEMU_OPT_BOOL,
 499         }, {
 500             .name = "seamless-migration",
 501             .type = QEMU_OPT_BOOL,
 502         },
 503         { /* end of list */ }
 504     },
 505 };
 506
 507 SpiceInfo *qmp_query_spice(Error **errp)
 508 {
 509     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 510     int port, tls_port;
 511     const char *addr;
 512     SpiceInfo *info;
 513     unsigned int major;
 514     unsigned int minor;
 515     unsigned int micro;
 516
 517     info = g_malloc0(sizeof(*info));
 518
 519     if (!spice_server || !opts) {
 520         info->enabled = false;
 521         return info;
 522     }
 523
 524     info->enabled = true;
 525     info->migrated = spice_migration_completed;
 526
 527     addr = qemu_opt_get(opts, "addr");
 528     port = qemu_opt_get_number(opts, "port", 0);
 529     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 530
 531     info->has_auth = true;
 532     info->auth = g_strdup(auth);
 533
 534     info->has_host = true;
 535     info->host = g_strdup(addr ? addr : "*");
 536
 537     info->has_compiled_version = true;
 538     major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
 539     minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
 540     micro = SPICE_SERVER_VERSION & 0xff;
 541     info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
 542
 543     if (port) {
 544         info->has_port = true;
 545         info->port = port;
 546     }
 547     if (tls_port) {
 548         info->has_tls_port = true;
 549         info->tls_port = tls_port;
 550     }
 551
 552     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
 553                        SPICE_QUERY_MOUSE_MODE_SERVER :
 554                        SPICE_QUERY_MOUSE_MODE_CLIENT;
 555
 556     /* for compatibility with the original command */
 557     info->has_channels = true;
 558     info->channels = qmp_query_spice_channels();
 559
 560     return info;
 561 }
 562
 563 static void migration_state_notifier(Notifier *notifier, void *data)
 564 {
 565     MigrationState *s = data;
 566
 567     if (!spice_have_target_host) {
 568         return;
 569     }
 570
 571     if (migration_in_setup(s)) {
 572         spice_server_migrate_start(spice_server);
 573     } else if (migration_has_finished(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                             MonitorCompletion *cb, void *opaque)
 585 {
 586     int ret;
 587
 588     spice_migrate.connect_complete.cb = cb;
 589     spice_migrate.connect_complete.opaque = opaque;
 590     ret = spice_server_migrate_connect(spice_server, hostname,
 591                                        port, tls_port, subject);
 592     spice_have_target_host = true;
 593     return ret;
 594 }
 595
 596 static int add_channel(const char *name, const char *value, void *opaque)
 597 {
 598     int security = 0;
 599     int rc;
 600
 601     if (strcmp(name, "tls-channel") == 0) {
 602         int *tls_port = opaque;
 603         if (!*tls_port) {
 604             error_report("spice: tried to setup tls-channel"
 605                          " without specifying a TLS port");
 606             exit(1);
 607         }
 608         security = SPICE_CHANNEL_SECURITY_SSL;
 609     }
 610     if (strcmp(name, "plaintext-channel") == 0) {
 611         security = SPICE_CHANNEL_SECURITY_NONE;
 612     }
 613     if (security == 0) {
 614         return 0;
 615     }
 616     if (strcmp(value, "default") == 0) {
 617         rc = spice_server_set_channel_security(spice_server, NULL, security);
 618     } else {
 619         rc = spice_server_set_channel_security(spice_server, value, security);
 620     }
 621     if (rc != 0) {
 622         error_report("spice: failed to set channel security for %s", value);
 623         exit(1);
 624     }
 625     return 0;
 626 }
 627
 628 static void vm_change_state_handler(void *opaque, int running,
 629                                     RunState state)
 630 {
 631     if (running) {
 632         qemu_spice_display_start();
 633     } else {
 634         qemu_spice_display_stop();
 635     }
 636 }
 637
 638 void qemu_spice_init(void)
 639 {
 640     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 641     const char *password, *str, *x509_dir, *addr,
 642         *x509_key_password = NULL,
 643         *x509_dh_file = NULL,
 644         *tls_ciphers = NULL;
 645     char *x509_key_file = NULL,
 646         *x509_cert_file = NULL,
 647         *x509_cacert_file = NULL;
 648     int port, tls_port, addr_flags;
 649     spice_image_compression_t compression;
 650     spice_wan_compression_t wan_compr;
 651     bool seamless_migration;
 652
 653     qemu_thread_get_self(&me);
 654
 655     if (!opts) {
 656         return;
 657     }
 658     port = qemu_opt_get_number(opts, "port", 0);
 659     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 660     if (port < 0 || port > 65535) {
 661         error_report("spice port is out of range");
 662         exit(1);
 663     }
 664     if (tls_port < 0 || tls_port > 65535) {
 665         error_report("spice tls-port is out of range");
 666         exit(1);
 667     }
 668     password = qemu_opt_get(opts, "password");
 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     }
 712
 713     spice_server = spice_server_new();
 714     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
 715     if (port) {
 716         spice_server_set_port(spice_server, port);
 717     }
 718     if (tls_port) {
 719         spice_server_set_tls(spice_server, tls_port,
 720                              x509_cacert_file,
 721                              x509_cert_file,
 722                              x509_key_file,
 723                              x509_key_password,
 724                              x509_dh_file,
 725                              tls_ciphers);
 726     }
 727     if (password) {
 728         qemu_spice_set_passwd(password, false, false);
 729     }
 730     if (qemu_opt_get_bool(opts, "sasl", 0)) {
 731         if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 ||
 732             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 #if SPICE_SERVER_VERSION >= 0x000c04
 749         spice_server_set_agent_file_xfer(spice_server, false);
 750 #else
 751         error_report("this qemu build does not support the "
 752                      "\"disable-agent-file-xfer\" option");
 753         exit(1);
 754 #endif
 755     }
 756
 757     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 758     str = qemu_opt_get(opts, "image-compression");
 759     if (str) {
 760         compression = parse_compression(str);
 761     }
 762     spice_server_set_image_compression(spice_server, compression);
 763
 764     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 765     str = qemu_opt_get(opts, "jpeg-wan-compression");
 766     if (str) {
 767         wan_compr = parse_wan_compression(str);
 768     }
 769     spice_server_set_jpeg_compression(spice_server, wan_compr);
 770
 771     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 772     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 773     if (str) {
 774         wan_compr = parse_wan_compression(str);
 775     }
 776     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 777
 778     str = qemu_opt_get(opts, "streaming-video");
 779     if (str) {
 780         int streaming_video = parse_stream_video(str);
 781         spice_server_set_streaming_video(spice_server, streaming_video);
 782     } else {
 783         spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
 784     }
 785
 786     spice_server_set_agent_mouse
 787         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 788     spice_server_set_playback_compression
 789         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 790
 791     qemu_opt_foreach(opts, add_channel, &tls_port, 0);
 792
 793     spice_server_set_name(spice_server, qemu_name);
 794     spice_server_set_uuid(spice_server, qemu_uuid);
 795
 796     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
 797     spice_server_set_seamless_migration(spice_server, seamless_migration);
 798     if (spice_server_init(spice_server, &core_interface) != 0) {
 799         error_report("failed to initialize spice server");
 800         exit(1);
 801     };
 802     using_spice = 1;
 803
 804     migration_state.notify = migration_state_notifier;
 805     add_migration_state_change_notifier(&migration_state);
 806     spice_migrate.sin.base.sif = &migrate_interface.base;
 807     spice_migrate.connect_complete.cb = NULL;
 808     qemu_spice_add_interface(&spice_migrate.sin.base);
 809
 810     qemu_spice_input_init();
 811     qemu_spice_audio_init();
 812
 813     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 814
 815     g_free(x509_key_file);
 816     g_free(x509_cert_file);
 817     g_free(x509_cacert_file);
 818
 819 #if SPICE_SERVER_VERSION >= 0x000c02
 820     qemu_spice_register_ports();
 821 #endif
 822 }
 823
 824 int qemu_spice_add_interface(SpiceBaseInstance *sin)
 825 {
 826     if (!spice_server) {
 827         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 828             error_report("Oops: spice configured but not active");
 829             exit(1);
 830         }
 831         /*
 832          * Create a spice server instance.
 833          * It does *not* listen on the network.
 834          * It handles QXL local rendering only.
 835          *
 836          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 837          */
 838         spice_server = spice_server_new();
 839         spice_server_set_sasl_appname(spice_server, "qemu");
 840         spice_server_init(spice_server, &core_interface);
 841         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 842     }
 843
 844     return spice_server_add_interface(spice_server, sin);
 845 }
 846
 847 static GSList *spice_consoles;
 848
 849 bool qemu_spice_have_display_interface(QemuConsole *con)
 850 {
 851     if (g_slist_find(spice_consoles, con)) {
 852         return true;
 853     }
 854     return false;
 855 }
 856
 857 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
 858 {
 859     if (g_slist_find(spice_consoles, con)) {
 860         return -1;
 861     }
 862     qxlin->id = qemu_console_get_index(con);
 863     spice_consoles = g_slist_append(spice_consoles, con);
 864     return qemu_spice_add_interface(&qxlin->base);
 865 }
 866
 867 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 868 {
 869     time_t lifetime, now = time(NULL);
 870     char *passwd;
 871
 872     if (now < auth_expires) {
 873         passwd = auth_passwd;
 874         lifetime = (auth_expires - now);
 875         if (lifetime > INT_MAX) {
 876             lifetime = INT_MAX;
 877         }
 878     } else {
 879         passwd = NULL;
 880         lifetime = 1;
 881     }
 882     return spice_server_set_ticket(spice_server, passwd, lifetime,
 883                                    fail_if_conn, disconnect_if_conn);
 884 }
 885
 886 int qemu_spice_set_passwd(const char *passwd,
 887                           bool fail_if_conn, bool disconnect_if_conn)
 888 {
 889     if (strcmp(auth, "spice") != 0) {
 890         return -1;
 891     }
 892
 893     g_free(auth_passwd);
 894     auth_passwd = g_strdup(passwd);
 895     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 896 }
 897
 898 int qemu_spice_set_pw_expire(time_t expires)
 899 {
 900     auth_expires = expires;
 901     return qemu_spice_set_ticket(false, false);
 902 }
 903
 904 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
 905 {
 906     if (tls) {
 907         return spice_server_add_ssl_client(spice_server, csock, skipauth);
 908     } else {
 909         return spice_server_add_client(spice_server, csock, skipauth);
 910     }
 911 }
 912
 913 void qemu_spice_display_start(void)
 914 {
 915     spice_display_is_running = true;
 916     spice_server_vm_start(spice_server);
 917 }
 918
 919 void qemu_spice_display_stop(void)
 920 {
 921     spice_server_vm_stop(spice_server);
 922     spice_display_is_running = false;
 923 }
 924
 925 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
 926 {
 927     return spice_display_is_running;
 928 }
 929
 930 static void spice_register_config(void)
 931 {
 932     qemu_add_opts(&qemu_spice_opts);
 933 }
 934 machine_init(spice_register_config);