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 <netdb.h>
  22 #include "sysemu/sysemu.h"
  23
  24 #include "qemu-common.h"
  25 #include "ui/qemu-spice.h"
  26 #include "qemu/error-report.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 "qmp-commands.h"
  33 #include "qapi/qmp/qint.h"
  34 #include "qapi/qmp/qbool.h"
  35 #include "qapi/qmp/qstring.h"
  36 #include "qapi/qmp/qjson.h"
  37 #include "qemu/notify.h"
  38 #include "migration/migration.h"
  39 #include "hw/hw.h"
  40 #include "ui/spice-display.h"
  41 #include "qapi-event.h"
  42
  43 /* core bits */
  44
  45 static SpiceServer *spice_server;
  46 static Notifier migration_state;
  47 static const char *auth = "spice";
  48 static char *auth_passwd;
  49 static time_t auth_expires = TIME_MAX;
  50 static int spice_migration_completed;
  51 static int spice_display_is_running;
  52 static int spice_have_target_host;
  53 int using_spice = 0;
  54
  55 static QemuThread me;
  56
  57 struct SpiceTimer {
  58     QEMUTimer *timer;
  59     QTAILQ_ENTRY(SpiceTimer) next;
  60 };
  61 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
  62
  63 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
  64 {
  65     SpiceTimer *timer;
  66
  67     timer = g_malloc0(sizeof(*timer));
  68     timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
  69     QTAILQ_INSERT_TAIL(&timers, timer, next);
  70     return timer;
  71 }
  72
  73 static void timer_start(SpiceTimer *timer, uint32_t ms)
  74 {
  75     timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
  76 }
  77
  78 static void timer_cancel(SpiceTimer *timer)
  79 {
  80     timer_del(timer->timer);
  81 }
  82
  83 static void timer_remove(SpiceTimer *timer)
  84 {
  85     timer_del(timer->timer);
  86     timer_free(timer->timer);
  87     QTAILQ_REMOVE(&timers, timer, next);
  88     g_free(timer);
  89 }
  90
  91 struct SpiceWatch {
  92     int fd;
  93     int event_mask;
  94     SpiceWatchFunc func;
  95     void *opaque;
  96     QTAILQ_ENTRY(SpiceWatch) next;
  97 };
  98 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
  99
 100 static void watch_read(void *opaque)
 101 {
 102     SpiceWatch *watch = opaque;
 103     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
 104 }
 105
 106 static void watch_write(void *opaque)
 107 {
 108     SpiceWatch *watch = opaque;
 109     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
 110 }
 111
 112 static void watch_update_mask(SpiceWatch *watch, int event_mask)
 113 {
 114     IOHandler *on_read = NULL;
 115     IOHandler *on_write = NULL;
 116
 117     watch->event_mask = event_mask;
 118     if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
 119         on_read = watch_read;
 120     }
 121     if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
 122         on_write = watch_write;
 123     }
 124     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
 125 }
 126
 127 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 128 {
 129     SpiceWatch *watch;
 130
 131     watch = g_malloc0(sizeof(*watch));
 132     watch->fd     = fd;
 133     watch->func   = func;
 134     watch->opaque = opaque;
 135     QTAILQ_INSERT_TAIL(&watches, watch, next);
 136
 137     watch_update_mask(watch, event_mask);
 138     return watch;
 139 }
 140
 141 static void watch_remove(SpiceWatch *watch)
 142 {
 143     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
 144     QTAILQ_REMOVE(&watches, watch, next);
 145     g_free(watch);
 146 }
 147
 148 typedef struct ChannelList ChannelList;
 149 struct ChannelList {
 150     SpiceChannelEventInfo *info;
 151     QTAILQ_ENTRY(ChannelList) link;
 152 };
 153 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
 154
 155 static void channel_list_add(SpiceChannelEventInfo *info)
 156 {
 157     ChannelList *item;
 158
 159     item = g_malloc0(sizeof(*item));
 160     item->info = info;
 161     QTAILQ_INSERT_TAIL(&channel_list, item, link);
 162 }
 163
 164 static void channel_list_del(SpiceChannelEventInfo *info)
 165 {
 166     ChannelList *item;
 167
 168     QTAILQ_FOREACH(item, &channel_list, link) {
 169         if (item->info != info) {
 170             continue;
 171         }
 172         QTAILQ_REMOVE(&channel_list, item, link);
 173         g_free(item);
 174         return;
 175     }
 176 }
 177
 178 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
 179 {
 180     char host[NI_MAXHOST], port[NI_MAXSERV];
 181
 182     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
 183                 NI_NUMERICHOST | NI_NUMERICSERV);
 184
 185     info->host = g_strdup(host);
 186     info->port = g_strdup(port);
 187     info->family = inet_netfamily(addr->sa_family);
 188 }
 189
 190 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
 191 {
 192     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 193
 194     sc->connection_id = info->connection_id;
 195     sc->channel_type = info->type;
 196     sc->channel_id = info->id;
 197     sc->tls = !!tls;
 198 }
 199
 200 static void channel_event(int event, SpiceChannelEventInfo *info)
 201 {
 202     SpiceServerInfo *server = g_malloc0(sizeof(*server));
 203     SpiceChannel *client = g_malloc0(sizeof(*client));
 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(qapi_SpiceChannel_base(client),
 221                       (struct sockaddr *)&info->paddr_ext,
 222                       info->plen_ext);
 223         add_addr_info(qapi_SpiceServerInfo_base(server),
 224                       (struct sockaddr *)&info->laddr_ext,
 225                       info->llen_ext);
 226     } else {
 227         error_report("spice: %s, extended address is expected",
 228                      __func__);
 229     }
 230
 231     switch (event) {
 232     case SPICE_CHANNEL_EVENT_CONNECTED:
 233         qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server),
 234                                         qapi_SpiceChannel_base(client),
 235                                         &error_abort);
 236         break;
 237     case SPICE_CHANNEL_EVENT_INITIALIZED:
 238         if (auth) {
 239             server->has_auth = true;
 240             server->auth = g_strdup(auth);
 241         }
 242         add_channel_info(client, info);
 243         channel_list_add(info);
 244         qapi_event_send_spice_initialized(server, client, &error_abort);
 245         break;
 246     case SPICE_CHANNEL_EVENT_DISCONNECTED:
 247         channel_list_del(info);
 248         qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server),
 249                                            qapi_SpiceChannel_base(client),
 250                                            &error_abort);
 251         break;
 252     default:
 253         break;
 254     }
 255
 256     if (need_lock) {
 257         qemu_mutex_unlock_iothread();
 258     }
 259
 260     qapi_free_SpiceServerInfo(server);
 261     qapi_free_SpiceChannel(client);
 262 }
 263
 264 static SpiceCoreInterface core_interface = {
 265     .base.type          = SPICE_INTERFACE_CORE,
 266     .base.description   = "qemu core services",
 267     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
 268     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
 269
 270     .timer_add          = timer_add,
 271     .timer_start        = timer_start,
 272     .timer_cancel       = timer_cancel,
 273     .timer_remove       = timer_remove,
 274
 275     .watch_add          = watch_add,
 276     .watch_update_mask  = watch_update_mask,
 277     .watch_remove       = watch_remove,
 278
 279     .channel_event      = channel_event,
 280 };
 281
 282 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
 283 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
 284
 285 static const SpiceMigrateInterface migrate_interface = {
 286     .base.type = SPICE_INTERFACE_MIGRATION,
 287     .base.description = "migration",
 288     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
 289     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
 290     .migrate_connect_complete = migrate_connect_complete_cb,
 291     .migrate_end_complete = migrate_end_complete_cb,
 292 };
 293
 294 static SpiceMigrateInstance spice_migrate;
 295
 296 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
 297 {
 298     /* nothing, but libspice-server expects this cb being present. */
 299 }
 300
 301 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
 302 {
 303     qapi_event_send_spice_migrate_completed(&error_abort);
 304     spice_migration_completed = true;
 305 }
 306
 307 /* config string parsing */
 308
 309 static int name2enum(const char *string, const char *table[], int entries)
 310 {
 311     int i;
 312
 313     if (string) {
 314         for (i = 0; i < entries; i++) {
 315             if (!table[i]) {
 316                 continue;
 317             }
 318             if (strcmp(string, table[i]) != 0) {
 319                 continue;
 320             }
 321             return i;
 322         }
 323     }
 324     return -1;
 325 }
 326
 327 static int parse_name(const char *string, const char *optname,
 328                       const char *table[], int entries)
 329 {
 330     int value = name2enum(string, table, entries);
 331
 332     if (value != -1) {
 333         return value;
 334     }
 335     error_report("spice: invalid %s: %s", optname, string);
 336     exit(1);
 337 }
 338
 339 static const char *stream_video_names[] = {
 340     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
 341     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
 342     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
 343 };
 344 #define parse_stream_video(_name) \
 345     parse_name(_name, "stream video control", \
 346                stream_video_names, ARRAY_SIZE(stream_video_names))
 347
 348 static const char *compression_names[] = {
 349     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
 350     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
 351     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
 352     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
 353     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
 354     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
 355 };
 356 #define parse_compression(_name)                                        \
 357     parse_name(_name, "image compression",                              \
 358                compression_names, ARRAY_SIZE(compression_names))
 359
 360 static const char *wan_compression_names[] = {
 361     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
 362     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
 363     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
 364 };
 365 #define parse_wan_compression(_name)                                    \
 366     parse_name(_name, "wan compression",                                \
 367                wan_compression_names, ARRAY_SIZE(wan_compression_names))
 368
 369 /* functions for the rest of qemu */
 370
 371 static SpiceChannelList *qmp_query_spice_channels(void)
 372 {
 373     SpiceChannelList *cur_item = NULL, *head = NULL;
 374     ChannelList *item;
 375
 376     QTAILQ_FOREACH(item, &channel_list, link) {
 377         SpiceChannelList *chan;
 378         char host[NI_MAXHOST], port[NI_MAXSERV];
 379         struct sockaddr *paddr;
 380         socklen_t plen;
 381
 382         assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT);
 383
 384         chan = g_malloc0(sizeof(*chan));
 385         chan->value = g_malloc0(sizeof(*chan->value));
 386
 387         paddr = (struct sockaddr *)&item->info->paddr_ext;
 388         plen = item->info->plen_ext;
 389         getnameinfo(paddr, plen,
 390                     host, sizeof(host), port, sizeof(port),
 391                     NI_NUMERICHOST | NI_NUMERICSERV);
 392         chan->value->host = g_strdup(host);
 393         chan->value->port = g_strdup(port);
 394         chan->value->family = inet_netfamily(paddr->sa_family);
 395
 396         chan->value->connection_id = item->info->connection_id;
 397         chan->value->channel_type = item->info->type;
 398         chan->value->channel_id = item->info->id;
 399         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 400
 401        /* XXX: waiting for the qapi to support GSList */
 402         if (!cur_item) {
 403             head = cur_item = chan;
 404         } else {
 405             cur_item->next = chan;
 406             cur_item = chan;
 407         }
 408     }
 409
 410     return head;
 411 }
 412
 413 static QemuOptsList qemu_spice_opts = {
 414     .name = "spice",
 415     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
 416     .desc = {
 417         {
 418             .name = "port",
 419             .type = QEMU_OPT_NUMBER,
 420         },{
 421             .name = "tls-port",
 422             .type = QEMU_OPT_NUMBER,
 423         },{
 424             .name = "addr",
 425             .type = QEMU_OPT_STRING,
 426         },{
 427             .name = "ipv4",
 428             .type = QEMU_OPT_BOOL,
 429         },{
 430             .name = "ipv6",
 431             .type = QEMU_OPT_BOOL,
 432 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 433         },{
 434             .name = "unix",
 435             .type = QEMU_OPT_BOOL,
 436 #endif
 437         },{
 438             .name = "password",
 439             .type = QEMU_OPT_STRING,
 440         },{
 441             .name = "disable-ticketing",
 442             .type = QEMU_OPT_BOOL,
 443         },{
 444             .name = "disable-copy-paste",
 445             .type = QEMU_OPT_BOOL,
 446         },{
 447             .name = "disable-agent-file-xfer",
 448             .type = QEMU_OPT_BOOL,
 449         },{
 450             .name = "sasl",
 451             .type = QEMU_OPT_BOOL,
 452         },{
 453             .name = "x509-dir",
 454             .type = QEMU_OPT_STRING,
 455         },{
 456             .name = "x509-key-file",
 457             .type = QEMU_OPT_STRING,
 458         },{
 459             .name = "x509-key-password",
 460             .type = QEMU_OPT_STRING,
 461         },{
 462             .name = "x509-cert-file",
 463             .type = QEMU_OPT_STRING,
 464         },{
 465             .name = "x509-cacert-file",
 466             .type = QEMU_OPT_STRING,
 467         },{
 468             .name = "x509-dh-key-file",
 469             .type = QEMU_OPT_STRING,
 470         },{
 471             .name = "tls-ciphers",
 472             .type = QEMU_OPT_STRING,
 473         },{
 474             .name = "tls-channel",
 475             .type = QEMU_OPT_STRING,
 476         },{
 477             .name = "plaintext-channel",
 478             .type = QEMU_OPT_STRING,
 479         },{
 480             .name = "image-compression",
 481             .type = QEMU_OPT_STRING,
 482         },{
 483             .name = "jpeg-wan-compression",
 484             .type = QEMU_OPT_STRING,
 485         },{
 486             .name = "zlib-glz-wan-compression",
 487             .type = QEMU_OPT_STRING,
 488         },{
 489             .name = "streaming-video",
 490             .type = QEMU_OPT_STRING,
 491         },{
 492             .name = "agent-mouse",
 493             .type = QEMU_OPT_BOOL,
 494         },{
 495             .name = "playback-compression",
 496             .type = QEMU_OPT_BOOL,
 497         }, {
 498             .name = "seamless-migration",
 499             .type = QEMU_OPT_BOOL,
 500         },
 501         { /* end of list */ }
 502     },
 503 };
 504
 505 SpiceInfo *qmp_query_spice(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         spice_server_migrate_end(spice_server, true);
 573         spice_have_target_host = false;
 574     } else if (migration_has_failed(s)) {
 575         spice_server_migrate_end(spice_server, false);
 576         spice_have_target_host = false;
 577     }
 578 }
 579
 580 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 581                             const char *subject)
 582 {
 583     int ret;
 584
 585     ret = spice_server_migrate_connect(spice_server, hostname,
 586                                        port, tls_port, subject);
 587     spice_have_target_host = true;
 588     return ret;
 589 }
 590
 591 static int add_channel(void *opaque, const char *name, const char *value,
 592                        Error **errp)
 593 {
 594     int security = 0;
 595     int rc;
 596
 597     if (strcmp(name, "tls-channel") == 0) {
 598         int *tls_port = opaque;
 599         if (!*tls_port) {
 600             error_report("spice: tried to setup tls-channel"
 601                          " without specifying a TLS port");
 602             exit(1);
 603         }
 604         security = SPICE_CHANNEL_SECURITY_SSL;
 605     }
 606     if (strcmp(name, "plaintext-channel") == 0) {
 607         security = SPICE_CHANNEL_SECURITY_NONE;
 608     }
 609     if (security == 0) {
 610         return 0;
 611     }
 612     if (strcmp(value, "default") == 0) {
 613         rc = spice_server_set_channel_security(spice_server, NULL, security);
 614     } else {
 615         rc = spice_server_set_channel_security(spice_server, value, security);
 616     }
 617     if (rc != 0) {
 618         error_report("spice: failed to set channel security for %s", value);
 619         exit(1);
 620     }
 621     return 0;
 622 }
 623
 624 static void vm_change_state_handler(void *opaque, int running,
 625                                     RunState state)
 626 {
 627     if (running) {
 628         qemu_spice_display_start();
 629     } else {
 630         qemu_spice_display_stop();
 631     }
 632 }
 633
 634 void qemu_spice_init(void)
 635 {
 636     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 637     const char *password, *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     password = qemu_opt_get(opts, "password");
 665
 666     if (tls_port) {
 667         x509_dir = qemu_opt_get(opts, "x509-dir");
 668         if (!x509_dir) {
 669             x509_dir = ".";
 670         }
 671
 672         str = qemu_opt_get(opts, "x509-key-file");
 673         if (str) {
 674             x509_key_file = g_strdup(str);
 675         } else {
 676             x509_key_file = g_strdup_printf("%s/%s", x509_dir,
 677                                             X509_SERVER_KEY_FILE);
 678         }
 679
 680         str = qemu_opt_get(opts, "x509-cert-file");
 681         if (str) {
 682             x509_cert_file = g_strdup(str);
 683         } else {
 684             x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
 685                                              X509_SERVER_CERT_FILE);
 686         }
 687
 688         str = qemu_opt_get(opts, "x509-cacert-file");
 689         if (str) {
 690             x509_cacert_file = g_strdup(str);
 691         } else {
 692             x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
 693                                                X509_CA_CERT_FILE);
 694         }
 695
 696         x509_key_password = qemu_opt_get(opts, "x509-key-password");
 697         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
 698         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
 699     }
 700
 701     addr = qemu_opt_get(opts, "addr");
 702     addr_flags = 0;
 703     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
 704         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
 705     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
 706         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
 707 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 708     } else if (qemu_opt_get_bool(opts, "unix", 0)) {
 709         addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY;
 710 #endif
 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(spice_server, 1) == -1) {
 732             error_report("spice: failed to enable sasl");
 733             exit(1);
 734         }
 735         auth = "sasl";
 736     }
 737     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 738         auth = "none";
 739         spice_server_set_noauth(spice_server);
 740     }
 741
 742     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 743         spice_server_set_agent_copypaste(spice_server, false);
 744     }
 745
 746     if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
 747 #if SPICE_SERVER_VERSION >= 0x000c04
 748         spice_server_set_agent_file_xfer(spice_server, false);
 749 #else
 750         error_report("this qemu build does not support the "
 751                      "\"disable-agent-file-xfer\" option");
 752         exit(1);
 753 #endif
 754     }
 755
 756     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 757     str = qemu_opt_get(opts, "image-compression");
 758     if (str) {
 759         compression = parse_compression(str);
 760     }
 761     spice_server_set_image_compression(spice_server, compression);
 762
 763     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 764     str = qemu_opt_get(opts, "jpeg-wan-compression");
 765     if (str) {
 766         wan_compr = parse_wan_compression(str);
 767     }
 768     spice_server_set_jpeg_compression(spice_server, wan_compr);
 769
 770     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 771     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 772     if (str) {
 773         wan_compr = parse_wan_compression(str);
 774     }
 775     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 776
 777     str = qemu_opt_get(opts, "streaming-video");
 778     if (str) {
 779         int streaming_video = parse_stream_video(str);
 780         spice_server_set_streaming_video(spice_server, streaming_video);
 781     } else {
 782         spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
 783     }
 784
 785     spice_server_set_agent_mouse
 786         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 787     spice_server_set_playback_compression
 788         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 789
 790     qemu_opt_foreach(opts, add_channel, &tls_port, NULL);
 791
 792     spice_server_set_name(spice_server, qemu_name);
 793     spice_server_set_uuid(spice_server, qemu_uuid);
 794
 795     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
 796     spice_server_set_seamless_migration(spice_server, seamless_migration);
 797     spice_server_set_sasl_appname(spice_server, "qemu");
 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.base.sif = &migrate_interface.base;
 807     qemu_spice_add_interface(&spice_migrate.base);
 808
 809     qemu_spice_input_init();
 810     qemu_spice_audio_init();
 811
 812     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 813     qemu_spice_display_stop();
 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);