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 #include <spice-experimental.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/thread.h"
  27 #include "qemu/timer.h"
  28 #include "qemu/queue.h"
  29 #include "qemu-x509.h"
  30 #include "qemu/sockets.h"
  31 #include "qmp-commands.h"
  32 #include "qapi/qmp/qint.h"
  33 #include "qapi/qmp/qbool.h"
  34 #include "qapi/qmp/qstring.h"
  35 #include "qapi/qmp/qjson.h"
  36 #include "qemu/notify.h"
  37 #include "migration/migration.h"
  38 #include "hw/hw.h"
  39 #include "ui/spice-display.h"
  40 #include "qapi-event.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 int using_spice = 0;
  53
  54 static QemuThread me;
  55
  56 struct SpiceTimer {
  57     QEMUTimer *timer;
  58     QTAILQ_ENTRY(SpiceTimer) next;
  59 };
  60 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
  61
  62 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
  63 {
  64     SpiceTimer *timer;
  65
  66     timer = g_malloc0(sizeof(*timer));
  67     timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
  68     QTAILQ_INSERT_TAIL(&timers, timer, next);
  69     return timer;
  70 }
  71
  72 static void timer_start(SpiceTimer *timer, uint32_t ms)
  73 {
  74     timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
  75 }
  76
  77 static void timer_cancel(SpiceTimer *timer)
  78 {
  79     timer_del(timer->timer);
  80 }
  81
  82 static void timer_remove(SpiceTimer *timer)
  83 {
  84     timer_del(timer->timer);
  85     timer_free(timer->timer);
  86     QTAILQ_REMOVE(&timers, timer, next);
  87     g_free(timer);
  88 }
  89
  90 struct SpiceWatch {
  91     int fd;
  92     int event_mask;
  93     SpiceWatchFunc func;
  94     void *opaque;
  95     QTAILQ_ENTRY(SpiceWatch) next;
  96 };
  97 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
  98
  99 static void watch_read(void *opaque)
 100 {
 101     SpiceWatch *watch = opaque;
 102     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
 103 }
 104
 105 static void watch_write(void *opaque)
 106 {
 107     SpiceWatch *watch = opaque;
 108     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
 109 }
 110
 111 static void watch_update_mask(SpiceWatch *watch, int event_mask)
 112 {
 113     IOHandler *on_read = NULL;
 114     IOHandler *on_write = NULL;
 115
 116     watch->event_mask = event_mask;
 117     if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
 118         on_read = watch_read;
 119     }
 120     if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
 121         on_write = watch_write;
 122     }
 123     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
 124 }
 125
 126 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 127 {
 128     SpiceWatch *watch;
 129
 130     watch = g_malloc0(sizeof(*watch));
 131     watch->fd     = fd;
 132     watch->func   = func;
 133     watch->opaque = opaque;
 134     QTAILQ_INSERT_TAIL(&watches, watch, next);
 135
 136     watch_update_mask(watch, event_mask);
 137     return watch;
 138 }
 139
 140 static void watch_remove(SpiceWatch *watch)
 141 {
 142     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
 143     QTAILQ_REMOVE(&watches, watch, next);
 144     g_free(watch);
 145 }
 146
 147 typedef struct ChannelList ChannelList;
 148 struct ChannelList {
 149     SpiceChannelEventInfo *info;
 150     QTAILQ_ENTRY(ChannelList) link;
 151 };
 152 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
 153
 154 static void channel_list_add(SpiceChannelEventInfo *info)
 155 {
 156     ChannelList *item;
 157
 158     item = g_malloc0(sizeof(*item));
 159     item->info = info;
 160     QTAILQ_INSERT_TAIL(&channel_list, item, link);
 161 }
 162
 163 static void channel_list_del(SpiceChannelEventInfo *info)
 164 {
 165     ChannelList *item;
 166
 167     QTAILQ_FOREACH(item, &channel_list, link) {
 168         if (item->info != info) {
 169             continue;
 170         }
 171         QTAILQ_REMOVE(&channel_list, item, link);
 172         g_free(item);
 173         return;
 174     }
 175 }
 176
 177 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
 178 {
 179     char host[NI_MAXHOST], port[NI_MAXSERV];
 180
 181     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
 182                 NI_NUMERICHOST | NI_NUMERICSERV);
 183
 184     info->host = g_strdup(host);
 185     info->port = g_strdup(port);
 186     info->family = inet_netfamily(addr->sa_family);
 187 }
 188
 189 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
 190 {
 191     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 192
 193     sc->connection_id = info->connection_id;
 194     sc->channel_type = info->type;
 195     sc->channel_id = info->id;
 196     sc->tls = !!tls;
 197 }
 198
 199 static void channel_event(int event, SpiceChannelEventInfo *info)
 200 {
 201     SpiceServerInfo *server = g_malloc0(sizeof(*server));
 202     SpiceChannel *client = g_malloc0(sizeof(*client));
 203     server->base = g_malloc0(sizeof(*server->base));
 204     client->base = g_malloc0(sizeof(*client->base));
 205
 206     /*
 207      * Spice server might have called us from spice worker thread
 208      * context (happens on display channel disconnects).  Spice should
 209      * not do that.  It isn't that easy to fix it in spice and even
 210      * when it is fixed we still should cover the already released
 211      * spice versions.  So detect that we've been called from another
 212      * thread and grab the iothread lock if so before calling qemu
 213      * functions.
 214      */
 215     bool need_lock = !qemu_thread_is_self(&me);
 216     if (need_lock) {
 217         qemu_mutex_lock_iothread();
 218     }
 219
 220     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 221         add_addr_info(client->base, (struct sockaddr *)&info->paddr_ext,
 222                       info->plen_ext);
 223         add_addr_info(server->base, (struct sockaddr *)&info->laddr_ext,
 224                       info->llen_ext);
 225     } else {
 226         error_report("spice: %s, extended address is expected",
 227                      __func__);
 228     }
 229
 230     switch (event) {
 231     case SPICE_CHANNEL_EVENT_CONNECTED:
 232         qapi_event_send_spice_connected(server->base, client->base, &error_abort);
 233         break;
 234     case SPICE_CHANNEL_EVENT_INITIALIZED:
 235         if (auth) {
 236             server->has_auth = true;
 237             server->auth = g_strdup(auth);
 238         }
 239         add_channel_info(client, info);
 240         channel_list_add(info);
 241         qapi_event_send_spice_initialized(server, client, &error_abort);
 242         break;
 243     case SPICE_CHANNEL_EVENT_DISCONNECTED:
 244         channel_list_del(info);
 245         qapi_event_send_spice_disconnected(server->base, client->base, &error_abort);
 246         break;
 247     default:
 248         break;
 249     }
 250
 251     if (need_lock) {
 252         qemu_mutex_unlock_iothread();
 253     }
 254
 255     qapi_free_SpiceServerInfo(server);
 256     qapi_free_SpiceChannel(client);
 257 }
 258
 259 static SpiceCoreInterface core_interface = {
 260     .base.type          = SPICE_INTERFACE_CORE,
 261     .base.description   = "qemu core services",
 262     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
 263     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
 264
 265     .timer_add          = timer_add,
 266     .timer_start        = timer_start,
 267     .timer_cancel       = timer_cancel,
 268     .timer_remove       = timer_remove,
 269
 270     .watch_add          = watch_add,
 271     .watch_update_mask  = watch_update_mask,
 272     .watch_remove       = watch_remove,
 273
 274     .channel_event      = channel_event,
 275 };
 276
 277 typedef struct SpiceMigration {
 278     SpiceMigrateInstance sin;
 279     struct {
 280         MonitorCompletion *cb;
 281         void *opaque;
 282     } connect_complete;
 283 } SpiceMigration;
 284
 285 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
 286 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
 287
 288 static const SpiceMigrateInterface migrate_interface = {
 289     .base.type = SPICE_INTERFACE_MIGRATION,
 290     .base.description = "migration",
 291     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
 292     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
 293     .migrate_connect_complete = migrate_connect_complete_cb,
 294     .migrate_end_complete = migrate_end_complete_cb,
 295 };
 296
 297 static SpiceMigration spice_migrate;
 298
 299 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
 300 {
 301     SpiceMigration *sm = container_of(sin, SpiceMigration, sin);
 302     if (sm->connect_complete.cb) {
 303         sm->connect_complete.cb(sm->connect_complete.opaque, NULL);
 304     }
 305     sm->connect_complete.cb = NULL;
 306 }
 307
 308 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
 309 {
 310     qapi_event_send_spice_migrate_completed(&error_abort);
 311     spice_migration_completed = true;
 312 }
 313
 314 /* config string parsing */
 315
 316 static int name2enum(const char *string, const char *table[], int entries)
 317 {
 318     int i;
 319
 320     if (string) {
 321         for (i = 0; i < entries; i++) {
 322             if (!table[i]) {
 323                 continue;
 324             }
 325             if (strcmp(string, table[i]) != 0) {
 326                 continue;
 327             }
 328             return i;
 329         }
 330     }
 331     return -1;
 332 }
 333
 334 static int parse_name(const char *string, const char *optname,
 335                       const char *table[], int entries)
 336 {
 337     int value = name2enum(string, table, entries);
 338
 339     if (value != -1) {
 340         return value;
 341     }
 342     error_report("spice: invalid %s: %s", optname, string);
 343     exit(1);
 344 }
 345
 346 static const char *stream_video_names[] = {
 347     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
 348     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
 349     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
 350 };
 351 #define parse_stream_video(_name) \
 352     parse_name(_name, "stream video control", \
 353                stream_video_names, ARRAY_SIZE(stream_video_names))
 354
 355 static const char *compression_names[] = {
 356     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
 357     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
 358     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
 359     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
 360     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
 361     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
 362 };
 363 #define parse_compression(_name)                                        \
 364     parse_name(_name, "image compression",                              \
 365                compression_names, ARRAY_SIZE(compression_names))
 366
 367 static const char *wan_compression_names[] = {
 368     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
 369     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
 370     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
 371 };
 372 #define parse_wan_compression(_name)                                    \
 373     parse_name(_name, "wan compression",                                \
 374                wan_compression_names, ARRAY_SIZE(wan_compression_names))
 375
 376 /* functions for the rest of qemu */
 377
 378 static SpiceChannelList *qmp_query_spice_channels(void)
 379 {
 380     SpiceChannelList *cur_item = NULL, *head = NULL;
 381     ChannelList *item;
 382
 383     QTAILQ_FOREACH(item, &channel_list, link) {
 384         SpiceChannelList *chan;
 385         char host[NI_MAXHOST], port[NI_MAXSERV];
 386         struct sockaddr *paddr;
 387         socklen_t plen;
 388
 389         if (!(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT)) {
 390             error_report("invalid channel event");
 391             return NULL;
 392         }
 393
 394         chan = g_malloc0(sizeof(*chan));
 395         chan->value = g_malloc0(sizeof(*chan->value));
 396         chan->value->base = g_malloc0(sizeof(*chan->value->base));
 397
 398         paddr = (struct sockaddr *)&item->info->paddr_ext;
 399         plen = item->info->plen_ext;
 400         getnameinfo(paddr, plen,
 401                     host, sizeof(host), port, sizeof(port),
 402                     NI_NUMERICHOST | NI_NUMERICSERV);
 403         chan->value->base->host = g_strdup(host);
 404         chan->value->base->port = g_strdup(port);
 405         chan->value->base->family = inet_netfamily(paddr->sa_family);
 406
 407         chan->value->connection_id = item->info->connection_id;
 408         chan->value->channel_type = item->info->type;
 409         chan->value->channel_id = item->info->id;
 410         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 411
 412        /* XXX: waiting for the qapi to support GSList */
 413         if (!cur_item) {
 414             head = cur_item = chan;
 415         } else {
 416             cur_item->next = chan;
 417             cur_item = chan;
 418         }
 419     }
 420
 421     return head;
 422 }
 423
 424 static QemuOptsList qemu_spice_opts = {
 425     .name = "spice",
 426     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
 427     .desc = {
 428         {
 429             .name = "port",
 430             .type = QEMU_OPT_NUMBER,
 431         },{
 432             .name = "tls-port",
 433             .type = QEMU_OPT_NUMBER,
 434         },{
 435             .name = "addr",
 436             .type = QEMU_OPT_STRING,
 437         },{
 438             .name = "ipv4",
 439             .type = QEMU_OPT_BOOL,
 440         },{
 441             .name = "ipv6",
 442             .type = QEMU_OPT_BOOL,
 443         },{
 444             .name = "password",
 445             .type = QEMU_OPT_STRING,
 446         },{
 447             .name = "disable-ticketing",
 448             .type = QEMU_OPT_BOOL,
 449         },{
 450             .name = "disable-copy-paste",
 451             .type = QEMU_OPT_BOOL,
 452         },{
 453             .name = "disable-agent-file-xfer",
 454             .type = QEMU_OPT_BOOL,
 455         },{
 456             .name = "sasl",
 457             .type = QEMU_OPT_BOOL,
 458         },{
 459             .name = "x509-dir",
 460             .type = QEMU_OPT_STRING,
 461         },{
 462             .name = "x509-key-file",
 463             .type = QEMU_OPT_STRING,
 464         },{
 465             .name = "x509-key-password",
 466             .type = QEMU_OPT_STRING,
 467         },{
 468             .name = "x509-cert-file",
 469             .type = QEMU_OPT_STRING,
 470         },{
 471             .name = "x509-cacert-file",
 472             .type = QEMU_OPT_STRING,
 473         },{
 474             .name = "x509-dh-key-file",
 475             .type = QEMU_OPT_STRING,
 476         },{
 477             .name = "tls-ciphers",
 478             .type = QEMU_OPT_STRING,
 479         },{
 480             .name = "tls-channel",
 481             .type = QEMU_OPT_STRING,
 482         },{
 483             .name = "plaintext-channel",
 484             .type = QEMU_OPT_STRING,
 485         },{
 486             .name = "image-compression",
 487             .type = QEMU_OPT_STRING,
 488         },{
 489             .name = "jpeg-wan-compression",
 490             .type = QEMU_OPT_STRING,
 491         },{
 492             .name = "zlib-glz-wan-compression",
 493             .type = QEMU_OPT_STRING,
 494         },{
 495             .name = "streaming-video",
 496             .type = QEMU_OPT_STRING,
 497         },{
 498             .name = "agent-mouse",
 499             .type = QEMU_OPT_BOOL,
 500         },{
 501             .name = "playback-compression",
 502             .type = QEMU_OPT_BOOL,
 503         }, {
 504             .name = "seamless-migration",
 505             .type = QEMU_OPT_BOOL,
 506         },
 507         { /* end of list */ }
 508     },
 509 };
 510
 511 SpiceInfo *qmp_query_spice(Error **errp)
 512 {
 513     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 514     int port, tls_port;
 515     const char *addr;
 516     SpiceInfo *info;
 517     unsigned int major;
 518     unsigned int minor;
 519     unsigned int micro;
 520
 521     info = g_malloc0(sizeof(*info));
 522
 523     if (!spice_server || !opts) {
 524         info->enabled = false;
 525         return info;
 526     }
 527
 528     info->enabled = true;
 529     info->migrated = spice_migration_completed;
 530
 531     addr = qemu_opt_get(opts, "addr");
 532     port = qemu_opt_get_number(opts, "port", 0);
 533     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 534
 535     info->has_auth = true;
 536     info->auth = g_strdup(auth);
 537
 538     info->has_host = true;
 539     info->host = g_strdup(addr ? addr : "*");
 540
 541     info->has_compiled_version = true;
 542     major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
 543     minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
 544     micro = SPICE_SERVER_VERSION & 0xff;
 545     info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
 546
 547     if (port) {
 548         info->has_port = true;
 549         info->port = port;
 550     }
 551     if (tls_port) {
 552         info->has_tls_port = true;
 553         info->tls_port = tls_port;
 554     }
 555
 556     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
 557                        SPICE_QUERY_MOUSE_MODE_SERVER :
 558                        SPICE_QUERY_MOUSE_MODE_CLIENT;
 559
 560     /* for compatibility with the original command */
 561     info->has_channels = true;
 562     info->channels = qmp_query_spice_channels();
 563
 564     return info;
 565 }
 566
 567 static void migration_state_notifier(Notifier *notifier, void *data)
 568 {
 569     MigrationState *s = data;
 570
 571     if (!spice_have_target_host) {
 572         return;
 573     }
 574
 575     if (migration_in_setup(s)) {
 576         spice_server_migrate_start(spice_server);
 577     } else if (migration_has_finished(s)) {
 578         spice_server_migrate_end(spice_server, true);
 579         spice_have_target_host = false;
 580     } else if (migration_has_failed(s)) {
 581         spice_server_migrate_end(spice_server, false);
 582         spice_have_target_host = false;
 583     }
 584 }
 585
 586 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 587                             const char *subject,
 588                             MonitorCompletion *cb, void *opaque)
 589 {
 590     int ret;
 591
 592     spice_migrate.connect_complete.cb = cb;
 593     spice_migrate.connect_complete.opaque = opaque;
 594     ret = spice_server_migrate_connect(spice_server, hostname,
 595                                        port, tls_port, subject);
 596     spice_have_target_host = true;
 597     return ret;
 598 }
 599
 600 static int add_channel(const char *name, const char *value, void *opaque)
 601 {
 602     int security = 0;
 603     int rc;
 604
 605     if (strcmp(name, "tls-channel") == 0) {
 606         int *tls_port = opaque;
 607         if (!*tls_port) {
 608             error_report("spice: tried to setup tls-channel"
 609                          " without specifying a TLS port");
 610             exit(1);
 611         }
 612         security = SPICE_CHANNEL_SECURITY_SSL;
 613     }
 614     if (strcmp(name, "plaintext-channel") == 0) {
 615         security = SPICE_CHANNEL_SECURITY_NONE;
 616     }
 617     if (security == 0) {
 618         return 0;
 619     }
 620     if (strcmp(value, "default") == 0) {
 621         rc = spice_server_set_channel_security(spice_server, NULL, security);
 622     } else {
 623         rc = spice_server_set_channel_security(spice_server, value, security);
 624     }
 625     if (rc != 0) {
 626         error_report("spice: failed to set channel security for %s", value);
 627         exit(1);
 628     }
 629     return 0;
 630 }
 631
 632 static void vm_change_state_handler(void *opaque, int running,
 633                                     RunState state)
 634 {
 635     if (running) {
 636         qemu_spice_display_start();
 637     } else {
 638         qemu_spice_display_stop();
 639     }
 640 }
 641
 642 void qemu_spice_init(void)
 643 {
 644     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 645     const char *password, *str, *x509_dir, *addr,
 646         *x509_key_password = NULL,
 647         *x509_dh_file = NULL,
 648         *tls_ciphers = NULL;
 649     char *x509_key_file = NULL,
 650         *x509_cert_file = NULL,
 651         *x509_cacert_file = NULL;
 652     int port, tls_port, addr_flags;
 653     spice_image_compression_t compression;
 654     spice_wan_compression_t wan_compr;
 655     bool seamless_migration;
 656
 657     qemu_thread_get_self(&me);
 658
 659     if (!opts) {
 660         return;
 661     }
 662     port = qemu_opt_get_number(opts, "port", 0);
 663     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 664     if (!port && !tls_port) {
 665         error_report("neither port nor tls-port specified for spice");
 666         exit(1);
 667     }
 668     if (port < 0 || port > 65535) {
 669         error_report("spice port is out of range");
 670         exit(1);
 671     }
 672     if (tls_port < 0 || tls_port > 65535) {
 673         error_report("spice tls-port is out of range");
 674         exit(1);
 675     }
 676     password = qemu_opt_get(opts, "password");
 677
 678     if (tls_port) {
 679         x509_dir = qemu_opt_get(opts, "x509-dir");
 680         if (!x509_dir) {
 681             x509_dir = ".";
 682         }
 683
 684         str = qemu_opt_get(opts, "x509-key-file");
 685         if (str) {
 686             x509_key_file = g_strdup(str);
 687         } else {
 688             x509_key_file = g_strdup_printf("%s/%s", x509_dir,
 689                                             X509_SERVER_KEY_FILE);
 690         }
 691
 692         str = qemu_opt_get(opts, "x509-cert-file");
 693         if (str) {
 694             x509_cert_file = g_strdup(str);
 695         } else {
 696             x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
 697                                              X509_SERVER_CERT_FILE);
 698         }
 699
 700         str = qemu_opt_get(opts, "x509-cacert-file");
 701         if (str) {
 702             x509_cacert_file = g_strdup(str);
 703         } else {
 704             x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
 705                                                X509_CA_CERT_FILE);
 706         }
 707
 708         x509_key_password = qemu_opt_get(opts, "x509-key-password");
 709         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
 710         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
 711     }
 712
 713     addr = qemu_opt_get(opts, "addr");
 714     addr_flags = 0;
 715     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
 716         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
 717     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
 718         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
 719     }
 720
 721     spice_server = spice_server_new();
 722     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
 723     if (port) {
 724         spice_server_set_port(spice_server, port);
 725     }
 726     if (tls_port) {
 727         spice_server_set_tls(spice_server, tls_port,
 728                              x509_cacert_file,
 729                              x509_cert_file,
 730                              x509_key_file,
 731                              x509_key_password,
 732                              x509_dh_file,
 733                              tls_ciphers);
 734     }
 735     if (password) {
 736         qemu_spice_set_passwd(password, false, false);
 737     }
 738     if (qemu_opt_get_bool(opts, "sasl", 0)) {
 739         if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 ||
 740             spice_server_set_sasl(spice_server, 1) == -1) {
 741             error_report("spice: failed to enable sasl");
 742             exit(1);
 743         }
 744         auth = "sasl";
 745     }
 746     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 747         auth = "none";
 748         spice_server_set_noauth(spice_server);
 749     }
 750
 751     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 752         spice_server_set_agent_copypaste(spice_server, false);
 753     }
 754
 755     if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
 756 #if SPICE_SERVER_VERSION >= 0x000c04
 757         spice_server_set_agent_file_xfer(spice_server, false);
 758 #else
 759         error_report("this qemu build does not support the "
 760                      "\"disable-agent-file-xfer\" option");
 761         exit(1);
 762 #endif
 763     }
 764
 765     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 766     str = qemu_opt_get(opts, "image-compression");
 767     if (str) {
 768         compression = parse_compression(str);
 769     }
 770     spice_server_set_image_compression(spice_server, compression);
 771
 772     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 773     str = qemu_opt_get(opts, "jpeg-wan-compression");
 774     if (str) {
 775         wan_compr = parse_wan_compression(str);
 776     }
 777     spice_server_set_jpeg_compression(spice_server, wan_compr);
 778
 779     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 780     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 781     if (str) {
 782         wan_compr = parse_wan_compression(str);
 783     }
 784     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 785
 786     str = qemu_opt_get(opts, "streaming-video");
 787     if (str) {
 788         int streaming_video = parse_stream_video(str);
 789         spice_server_set_streaming_video(spice_server, streaming_video);
 790     } else {
 791         spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
 792     }
 793
 794     spice_server_set_agent_mouse
 795         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 796     spice_server_set_playback_compression
 797         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 798
 799     qemu_opt_foreach(opts, add_channel, &tls_port, 0);
 800
 801     spice_server_set_name(spice_server, qemu_name);
 802     spice_server_set_uuid(spice_server, qemu_uuid);
 803
 804     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
 805     spice_server_set_seamless_migration(spice_server, seamless_migration);
 806     if (spice_server_init(spice_server, &core_interface) != 0) {
 807         error_report("failed to initialize spice server");
 808         exit(1);
 809     };
 810     using_spice = 1;
 811
 812     migration_state.notify = migration_state_notifier;
 813     add_migration_state_change_notifier(&migration_state);
 814     spice_migrate.sin.base.sif = &migrate_interface.base;
 815     spice_migrate.connect_complete.cb = NULL;
 816     qemu_spice_add_interface(&spice_migrate.sin.base);
 817
 818     qemu_spice_input_init();
 819     qemu_spice_audio_init();
 820
 821     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 822
 823     g_free(x509_key_file);
 824     g_free(x509_cert_file);
 825     g_free(x509_cacert_file);
 826
 827 #if SPICE_SERVER_VERSION >= 0x000c02
 828     qemu_spice_register_ports();
 829 #endif
 830 }
 831
 832 int qemu_spice_add_interface(SpiceBaseInstance *sin)
 833 {
 834     if (!spice_server) {
 835         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 836             error_report("Oops: spice configured but not active");
 837             exit(1);
 838         }
 839         /*
 840          * Create a spice server instance.
 841          * It does *not* listen on the network.
 842          * It handles QXL local rendering only.
 843          *
 844          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 845          */
 846         spice_server = spice_server_new();
 847         spice_server_set_sasl_appname(spice_server, "qemu");
 848         spice_server_init(spice_server, &core_interface);
 849         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 850     }
 851
 852     return spice_server_add_interface(spice_server, sin);
 853 }
 854
 855 static GSList *spice_consoles;
 856
 857 bool qemu_spice_have_display_interface(QemuConsole *con)
 858 {
 859     if (g_slist_find(spice_consoles, con)) {
 860         return true;
 861     }
 862     return false;
 863 }
 864
 865 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
 866 {
 867     if (g_slist_find(spice_consoles, con)) {
 868         return -1;
 869     }
 870     qxlin->id = qemu_console_get_index(con);
 871     spice_consoles = g_slist_append(spice_consoles, con);
 872     return qemu_spice_add_interface(&qxlin->base);
 873 }
 874
 875 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 876 {
 877     time_t lifetime, now = time(NULL);
 878     char *passwd;
 879
 880     if (now < auth_expires) {
 881         passwd = auth_passwd;
 882         lifetime = (auth_expires - now);
 883         if (lifetime > INT_MAX) {
 884             lifetime = INT_MAX;
 885         }
 886     } else {
 887         passwd = NULL;
 888         lifetime = 1;
 889     }
 890     return spice_server_set_ticket(spice_server, passwd, lifetime,
 891                                    fail_if_conn, disconnect_if_conn);
 892 }
 893
 894 int qemu_spice_set_passwd(const char *passwd,
 895                           bool fail_if_conn, bool disconnect_if_conn)
 896 {
 897     if (strcmp(auth, "spice") != 0) {
 898         return -1;
 899     }
 900
 901     g_free(auth_passwd);
 902     auth_passwd = g_strdup(passwd);
 903     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 904 }
 905
 906 int qemu_spice_set_pw_expire(time_t expires)
 907 {
 908     auth_expires = expires;
 909     return qemu_spice_set_ticket(false, false);
 910 }
 911
 912 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
 913 {
 914     if (tls) {
 915         return spice_server_add_ssl_client(spice_server, csock, skipauth);
 916     } else {
 917         return spice_server_add_client(spice_server, csock, skipauth);
 918     }
 919 }
 920
 921 void qemu_spice_display_start(void)
 922 {
 923     spice_display_is_running = true;
 924     spice_server_vm_start(spice_server);
 925 }
 926
 927 void qemu_spice_display_stop(void)
 928 {
 929     spice_server_vm_stop(spice_server);
 930     spice_display_is_running = false;
 931 }
 932
 933 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
 934 {
 935     return spice_display_is_running;
 936 }
 937
 938 static void spice_register_config(void)
 939 {
 940     qemu_add_opts(&qemu_spice_opts);
 941 }
 942 machine_init(spice_register_config);