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.h"
  23
  24 #include "qemu-common.h"
  25 #include "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_socket.h"
  31 #include "qmp-commands.h"
  32 #include "qint.h"
  33 #include "qbool.h"
  34 #include "qstring.h"
  35 #include "qjson.h"
  36 #include "notify.h"
  37 #include "migration.h"
  38 #include "monitor.h"
  39 #include "hw/hw.h"
  40 #include "spice-display.h"
  41
  42 /* core bits */
  43
  44 static SpiceServer *spice_server;
  45 static Notifier migration_state;
  46 static const char *auth = "spice";
  47 static char *auth_passwd;
  48 static time_t auth_expires = TIME_MAX;
  49 static int spice_migration_completed;
  50 int using_spice = 0;
  51
  52 static QemuThread me;
  53
  54 struct SpiceTimer {
  55     QEMUTimer *timer;
  56     QTAILQ_ENTRY(SpiceTimer) next;
  57 };
  58 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
  59
  60 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
  61 {
  62     SpiceTimer *timer;
  63
  64     timer = g_malloc0(sizeof(*timer));
  65     timer->timer = qemu_new_timer_ms(rt_clock, func, opaque);
  66     QTAILQ_INSERT_TAIL(&timers, timer, next);
  67     return timer;
  68 }
  69
  70 static void timer_start(SpiceTimer *timer, uint32_t ms)
  71 {
  72     qemu_mod_timer(timer->timer, qemu_get_clock_ms(rt_clock) + ms);
  73 }
  74
  75 static void timer_cancel(SpiceTimer *timer)
  76 {
  77     qemu_del_timer(timer->timer);
  78 }
  79
  80 static void timer_remove(SpiceTimer *timer)
  81 {
  82     qemu_del_timer(timer->timer);
  83     qemu_free_timer(timer->timer);
  84     QTAILQ_REMOVE(&timers, timer, next);
  85     g_free(timer);
  86 }
  87
  88 struct SpiceWatch {
  89     int fd;
  90     int event_mask;
  91     SpiceWatchFunc func;
  92     void *opaque;
  93     QTAILQ_ENTRY(SpiceWatch) next;
  94 };
  95 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
  96
  97 static void watch_read(void *opaque)
  98 {
  99     SpiceWatch *watch = opaque;
 100     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
 101 }
 102
 103 static void watch_write(void *opaque)
 104 {
 105     SpiceWatch *watch = opaque;
 106     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
 107 }
 108
 109 static void watch_update_mask(SpiceWatch *watch, int event_mask)
 110 {
 111     IOHandler *on_read = NULL;
 112     IOHandler *on_write = NULL;
 113
 114     watch->event_mask = event_mask;
 115     if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
 116         on_read = watch_read;
 117     }
 118     if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
 119         on_write = watch_write;
 120     }
 121     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
 122 }
 123
 124 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 125 {
 126     SpiceWatch *watch;
 127
 128     watch = g_malloc0(sizeof(*watch));
 129     watch->fd     = fd;
 130     watch->func   = func;
 131     watch->opaque = opaque;
 132     QTAILQ_INSERT_TAIL(&watches, watch, next);
 133
 134     watch_update_mask(watch, event_mask);
 135     return watch;
 136 }
 137
 138 static void watch_remove(SpiceWatch *watch)
 139 {
 140     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
 141     QTAILQ_REMOVE(&watches, watch, next);
 142     g_free(watch);
 143 }
 144
 145 typedef struct ChannelList ChannelList;
 146 struct ChannelList {
 147     SpiceChannelEventInfo *info;
 148     QTAILQ_ENTRY(ChannelList) link;
 149 };
 150 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
 151
 152 static void channel_list_add(SpiceChannelEventInfo *info)
 153 {
 154     ChannelList *item;
 155
 156     item = g_malloc0(sizeof(*item));
 157     item->info = info;
 158     QTAILQ_INSERT_TAIL(&channel_list, item, link);
 159 }
 160
 161 static void channel_list_del(SpiceChannelEventInfo *info)
 162 {
 163     ChannelList *item;
 164
 165     QTAILQ_FOREACH(item, &channel_list, link) {
 166         if (item->info != info) {
 167             continue;
 168         }
 169         QTAILQ_REMOVE(&channel_list, item, link);
 170         g_free(item);
 171         return;
 172     }
 173 }
 174
 175 static void add_addr_info(QDict *dict, struct sockaddr *addr, int len)
 176 {
 177     char host[NI_MAXHOST], port[NI_MAXSERV];
 178     const char *family;
 179
 180     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
 181                 NI_NUMERICHOST | NI_NUMERICSERV);
 182     family = inet_strfamily(addr->sa_family);
 183
 184     qdict_put(dict, "host", qstring_from_str(host));
 185     qdict_put(dict, "port", qstring_from_str(port));
 186     qdict_put(dict, "family", qstring_from_str(family));
 187 }
 188
 189 static void add_channel_info(QDict *dict, SpiceChannelEventInfo *info)
 190 {
 191     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 192
 193     qdict_put(dict, "connection-id", qint_from_int(info->connection_id));
 194     qdict_put(dict, "channel-type", qint_from_int(info->type));
 195     qdict_put(dict, "channel-id", qint_from_int(info->id));
 196     qdict_put(dict, "tls", qbool_from_int(tls));
 197 }
 198
 199 static void channel_event(int event, SpiceChannelEventInfo *info)
 200 {
 201     static const int qevent[] = {
 202         [ SPICE_CHANNEL_EVENT_CONNECTED    ] = QEVENT_SPICE_CONNECTED,
 203         [ SPICE_CHANNEL_EVENT_INITIALIZED  ] = QEVENT_SPICE_INITIALIZED,
 204         [ SPICE_CHANNEL_EVENT_DISCONNECTED ] = QEVENT_SPICE_DISCONNECTED,
 205     };
 206     QDict *server, *client;
 207     QObject *data;
 208
 209     /*
 210      * Spice server might have called us from spice worker thread
 211      * context (happens on display channel disconnects).  Spice should
 212      * not do that.  It isn't that easy to fix it in spice and even
 213      * when it is fixed we still should cover the already released
 214      * spice versions.  So detect that we've been called from another
 215      * thread and grab the iothread lock if so before calling qemu
 216      * functions.
 217      */
 218     bool need_lock = !qemu_thread_is_self(&me);
 219     if (need_lock) {
 220         qemu_mutex_lock_iothread();
 221     }
 222
 223     client = qdict_new();
 224     server = qdict_new();
 225
 226 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT
 227     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 228         add_addr_info(client, (struct sockaddr *)&info->paddr_ext,
 229                       info->plen_ext);
 230         add_addr_info(server, (struct sockaddr *)&info->laddr_ext,
 231                       info->llen_ext);
 232     } else {
 233         error_report("spice: %s, extended address is expected",
 234                      __func__);
 235 #endif
 236         add_addr_info(client, &info->paddr, info->plen);
 237         add_addr_info(server, &info->laddr, info->llen);
 238 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT
 239     }
 240 #endif
 241
 242     if (event == SPICE_CHANNEL_EVENT_INITIALIZED) {
 243         qdict_put(server, "auth", qstring_from_str(auth));
 244         add_channel_info(client, info);
 245         channel_list_add(info);
 246     }
 247     if (event == SPICE_CHANNEL_EVENT_DISCONNECTED) {
 248         channel_list_del(info);
 249     }
 250
 251     data = qobject_from_jsonf("{ 'client': %p, 'server': %p }",
 252                               QOBJECT(client), QOBJECT(server));
 253     monitor_protocol_event(qevent[event], data);
 254     qobject_decref(data);
 255
 256     if (need_lock) {
 257         qemu_mutex_unlock_iothread();
 258     }
 259 }
 260
 261 static SpiceCoreInterface core_interface = {
 262     .base.type          = SPICE_INTERFACE_CORE,
 263     .base.description   = "qemu core services",
 264     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
 265     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
 266
 267     .timer_add          = timer_add,
 268     .timer_start        = timer_start,
 269     .timer_cancel       = timer_cancel,
 270     .timer_remove       = timer_remove,
 271
 272     .watch_add          = watch_add,
 273     .watch_update_mask  = watch_update_mask,
 274     .watch_remove       = watch_remove,
 275
 276     .channel_event      = channel_event,
 277 };
 278
 279 #ifdef SPICE_INTERFACE_MIGRATION
 280 typedef struct SpiceMigration {
 281     SpiceMigrateInstance sin;
 282     struct {
 283         MonitorCompletion *cb;
 284         void *opaque;
 285     } connect_complete;
 286 } SpiceMigration;
 287
 288 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
 289 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
 290
 291 static const SpiceMigrateInterface migrate_interface = {
 292     .base.type = SPICE_INTERFACE_MIGRATION,
 293     .base.description = "migration",
 294     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
 295     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
 296     .migrate_connect_complete = migrate_connect_complete_cb,
 297     .migrate_end_complete = migrate_end_complete_cb,
 298 };
 299
 300 static SpiceMigration spice_migrate;
 301
 302 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
 303 {
 304     SpiceMigration *sm = container_of(sin, SpiceMigration, sin);
 305     if (sm->connect_complete.cb) {
 306         sm->connect_complete.cb(sm->connect_complete.opaque, NULL);
 307     }
 308     sm->connect_complete.cb = NULL;
 309 }
 310
 311 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
 312 {
 313     monitor_protocol_event(QEVENT_SPICE_MIGRATE_COMPLETED, NULL);
 314     spice_migration_completed = true;
 315 }
 316 #endif
 317
 318 /* config string parsing */
 319
 320 static int name2enum(const char *string, const char *table[], int entries)
 321 {
 322     int i;
 323
 324     if (string) {
 325         for (i = 0; i < entries; i++) {
 326             if (!table[i]) {
 327                 continue;
 328             }
 329             if (strcmp(string, table[i]) != 0) {
 330                 continue;
 331             }
 332             return i;
 333         }
 334     }
 335     return -1;
 336 }
 337
 338 static int parse_name(const char *string, const char *optname,
 339                       const char *table[], int entries)
 340 {
 341     int value = name2enum(string, table, entries);
 342
 343     if (value != -1) {
 344         return value;
 345     }
 346     error_report("spice: invalid %s: %s", optname, string);
 347     exit(1);
 348 }
 349
 350 static const char *stream_video_names[] = {
 351     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
 352     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
 353     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
 354 };
 355 #define parse_stream_video(_name) \
 356     parse_name(_name, "stream video control", \
 357                stream_video_names, ARRAY_SIZE(stream_video_names))
 358
 359 static const char *compression_names[] = {
 360     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
 361     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
 362     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
 363     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
 364     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
 365     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
 366 };
 367 #define parse_compression(_name)                                        \
 368     parse_name(_name, "image compression",                              \
 369                compression_names, ARRAY_SIZE(compression_names))
 370
 371 static const char *wan_compression_names[] = {
 372     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
 373     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
 374     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
 375 };
 376 #define parse_wan_compression(_name)                                    \
 377     parse_name(_name, "wan compression",                                \
 378                wan_compression_names, ARRAY_SIZE(wan_compression_names))
 379
 380 /* functions for the rest of qemu */
 381
 382 static SpiceChannelList *qmp_query_spice_channels(void)
 383 {
 384     SpiceChannelList *cur_item = NULL, *head = NULL;
 385     ChannelList *item;
 386
 387     QTAILQ_FOREACH(item, &channel_list, link) {
 388         SpiceChannelList *chan;
 389         char host[NI_MAXHOST], port[NI_MAXSERV];
 390         struct sockaddr *paddr;
 391         socklen_t plen;
 392
 393         chan = g_malloc0(sizeof(*chan));
 394         chan->value = g_malloc0(sizeof(*chan->value));
 395
 396 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT
 397         if (item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 398             paddr = (struct sockaddr *)&item->info->paddr_ext;
 399             plen = item->info->plen_ext;
 400         } else {
 401 #endif
 402             paddr = &item->info->paddr;
 403             plen = item->info->plen;
 404 #ifdef SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT
 405         }
 406 #endif
 407
 408         getnameinfo(paddr, plen,
 409                     host, sizeof(host), port, sizeof(port),
 410                     NI_NUMERICHOST | NI_NUMERICSERV);
 411         chan->value->host = g_strdup(host);
 412         chan->value->port = g_strdup(port);
 413         chan->value->family = g_strdup(inet_strfamily(paddr->sa_family));
 414
 415         chan->value->connection_id = item->info->connection_id;
 416         chan->value->channel_type = item->info->type;
 417         chan->value->channel_id = item->info->id;
 418         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 419
 420        /* XXX: waiting for the qapi to support GSList */
 421         if (!cur_item) {
 422             head = cur_item = chan;
 423         } else {
 424             cur_item->next = chan;
 425             cur_item = chan;
 426         }
 427     }
 428
 429     return head;
 430 }
 431
 432 SpiceInfo *qmp_query_spice(Error **errp)
 433 {
 434     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 435     int port, tls_port;
 436     const char *addr;
 437     SpiceInfo *info;
 438     char version_string[20]; /* 12 = |255.255.255\0| is the max */
 439
 440     info = g_malloc0(sizeof(*info));
 441
 442     if (!spice_server || !opts) {
 443         info->enabled = false;
 444         return info;
 445     }
 446
 447     info->enabled = true;
 448     info->migrated = spice_migration_completed;
 449
 450     addr = qemu_opt_get(opts, "addr");
 451     port = qemu_opt_get_number(opts, "port", 0);
 452     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 453
 454     info->has_auth = true;
 455     info->auth = g_strdup(auth);
 456
 457     info->has_host = true;
 458     info->host = g_strdup(addr ? addr : "0.0.0.0");
 459
 460     info->has_compiled_version = true;
 461     snprintf(version_string, sizeof(version_string), "%d.%d.%d",
 462              (SPICE_SERVER_VERSION & 0xff0000) >> 16,
 463              (SPICE_SERVER_VERSION & 0xff00) >> 8,
 464              SPICE_SERVER_VERSION & 0xff);
 465     info->compiled_version = g_strdup(version_string);
 466
 467     if (port) {
 468         info->has_port = true;
 469         info->port = port;
 470     }
 471     if (tls_port) {
 472         info->has_tls_port = true;
 473         info->tls_port = tls_port;
 474     }
 475
 476 #if SPICE_SERVER_VERSION >= 0x000a03 /* 0.10.3 */
 477     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
 478                        SPICE_QUERY_MOUSE_MODE_SERVER :
 479                        SPICE_QUERY_MOUSE_MODE_CLIENT;
 480 #else
 481     info->mouse_mode = SPICE_QUERY_MOUSE_MODE_UNKNOWN;
 482 #endif
 483     /* for compatibility with the original command */
 484     info->has_channels = true;
 485     info->channels = qmp_query_spice_channels();
 486
 487     return info;
 488 }
 489
 490 static void migration_state_notifier(Notifier *notifier, void *data)
 491 {
 492     MigrationState *s = data;
 493
 494     if (migration_is_active(s)) {
 495 #ifdef SPICE_INTERFACE_MIGRATION
 496         spice_server_migrate_start(spice_server);
 497 #endif
 498     } else if (migration_has_finished(s)) {
 499 #ifndef SPICE_INTERFACE_MIGRATION
 500         spice_server_migrate_switch(spice_server);
 501         monitor_protocol_event(QEVENT_SPICE_MIGRATE_COMPLETED, NULL);
 502         spice_migration_completed = true;
 503 #else
 504         spice_server_migrate_end(spice_server, true);
 505     } else if (migration_has_failed(s)) {
 506         spice_server_migrate_end(spice_server, false);
 507 #endif
 508     }
 509 }
 510
 511 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 512                             const char *subject,
 513                             MonitorCompletion *cb, void *opaque)
 514 {
 515     int ret;
 516 #ifdef SPICE_INTERFACE_MIGRATION
 517     spice_migrate.connect_complete.cb = cb;
 518     spice_migrate.connect_complete.opaque = opaque;
 519     ret = spice_server_migrate_connect(spice_server, hostname,
 520                                        port, tls_port, subject);
 521 #else
 522     ret = spice_server_migrate_info(spice_server, hostname,
 523                                     port, tls_port, subject);
 524     cb(opaque, NULL);
 525 #endif
 526     return ret;
 527 }
 528
 529 static int add_channel(const char *name, const char *value, void *opaque)
 530 {
 531     int security = 0;
 532     int rc;
 533
 534     if (strcmp(name, "tls-channel") == 0) {
 535         int *tls_port = opaque;
 536         if (!*tls_port) {
 537             error_report("spice: tried to setup tls-channel"
 538                          " without specifying a TLS port");
 539             exit(1);
 540         }
 541         security = SPICE_CHANNEL_SECURITY_SSL;
 542     }
 543     if (strcmp(name, "plaintext-channel") == 0) {
 544         security = SPICE_CHANNEL_SECURITY_NONE;
 545     }
 546     if (security == 0) {
 547         return 0;
 548     }
 549     if (strcmp(value, "default") == 0) {
 550         rc = spice_server_set_channel_security(spice_server, NULL, security);
 551     } else {
 552         rc = spice_server_set_channel_security(spice_server, value, security);
 553     }
 554     if (rc != 0) {
 555         error_report("spice: failed to set channel security for %s", value);
 556         exit(1);
 557     }
 558     return 0;
 559 }
 560
 561 static void vm_change_state_handler(void *opaque, int running,
 562                                     RunState state)
 563 {
 564 #if SPICE_SERVER_VERSION >= 0x000b02 /* 0.11.2 */
 565     if (running) {
 566         qemu_spice_display_start();
 567         spice_server_vm_start(spice_server);
 568     } else {
 569         spice_server_vm_stop(spice_server);
 570         qemu_spice_display_stop();
 571     }
 572 #endif
 573 }
 574
 575 void qemu_spice_init(void)
 576 {
 577     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 578     const char *password, *str, *x509_dir, *addr,
 579         *x509_key_password = NULL,
 580         *x509_dh_file = NULL,
 581         *tls_ciphers = NULL;
 582     char *x509_key_file = NULL,
 583         *x509_cert_file = NULL,
 584         *x509_cacert_file = NULL;
 585     int port, tls_port, len, addr_flags;
 586     spice_image_compression_t compression;
 587     spice_wan_compression_t wan_compr;
 588
 589     qemu_thread_get_self(&me);
 590
 591     if (!opts) {
 592         return;
 593     }
 594     port = qemu_opt_get_number(opts, "port", 0);
 595     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 596     if (!port && !tls_port) {
 597         error_report("neither port nor tls-port specified for spice");
 598         exit(1);
 599     }
 600     if (port < 0 || port > 65535) {
 601         error_report("spice port is out of range");
 602         exit(1);
 603     }
 604     if (tls_port < 0 || tls_port > 65535) {
 605         error_report("spice tls-port is out of range");
 606         exit(1);
 607     }
 608     password = qemu_opt_get(opts, "password");
 609
 610     if (tls_port) {
 611         x509_dir = qemu_opt_get(opts, "x509-dir");
 612         if (NULL == x509_dir) {
 613             x509_dir = ".";
 614         }
 615         len = strlen(x509_dir) + 32;
 616
 617         str = qemu_opt_get(opts, "x509-key-file");
 618         if (str) {
 619             x509_key_file = g_strdup(str);
 620         } else {
 621             x509_key_file = g_malloc(len);
 622             snprintf(x509_key_file, len, "%s/%s", x509_dir, X509_SERVER_KEY_FILE);
 623         }
 624
 625         str = qemu_opt_get(opts, "x509-cert-file");
 626         if (str) {
 627             x509_cert_file = g_strdup(str);
 628         } else {
 629             x509_cert_file = g_malloc(len);
 630             snprintf(x509_cert_file, len, "%s/%s", x509_dir, X509_SERVER_CERT_FILE);
 631         }
 632
 633         str = qemu_opt_get(opts, "x509-cacert-file");
 634         if (str) {
 635             x509_cacert_file = g_strdup(str);
 636         } else {
 637             x509_cacert_file = g_malloc(len);
 638             snprintf(x509_cacert_file, len, "%s/%s", x509_dir, X509_CA_CERT_FILE);
 639         }
 640
 641         x509_key_password = qemu_opt_get(opts, "x509-key-password");
 642         x509_dh_file = qemu_opt_get(opts, "x509-dh-file");
 643         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
 644     }
 645
 646     addr = qemu_opt_get(opts, "addr");
 647     addr_flags = 0;
 648     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
 649         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
 650     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
 651         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
 652     }
 653
 654     spice_server = spice_server_new();
 655     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
 656     if (port) {
 657         spice_server_set_port(spice_server, port);
 658     }
 659     if (tls_port) {
 660         spice_server_set_tls(spice_server, tls_port,
 661                              x509_cacert_file,
 662                              x509_cert_file,
 663                              x509_key_file,
 664                              x509_key_password,
 665                              x509_dh_file,
 666                              tls_ciphers);
 667     }
 668     if (password) {
 669         spice_server_set_ticket(spice_server, password, 0, 0, 0);
 670     }
 671     if (qemu_opt_get_bool(opts, "sasl", 0)) {
 672 #if SPICE_SERVER_VERSION >= 0x000900 /* 0.9.0 */
 673         if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 ||
 674             spice_server_set_sasl(spice_server, 1) == -1) {
 675             error_report("spice: failed to enable sasl");
 676             exit(1);
 677         }
 678 #else
 679         error_report("spice: sasl is not available (spice >= 0.9 required)");
 680         exit(1);
 681 #endif
 682     }
 683     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 684         auth = "none";
 685         spice_server_set_noauth(spice_server);
 686     }
 687
 688     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 689         spice_server_set_agent_copypaste(spice_server, false);
 690     }
 691
 692     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 693     str = qemu_opt_get(opts, "image-compression");
 694     if (str) {
 695         compression = parse_compression(str);
 696     }
 697     spice_server_set_image_compression(spice_server, compression);
 698
 699     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 700     str = qemu_opt_get(opts, "jpeg-wan-compression");
 701     if (str) {
 702         wan_compr = parse_wan_compression(str);
 703     }
 704     spice_server_set_jpeg_compression(spice_server, wan_compr);
 705
 706     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 707     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 708     if (str) {
 709         wan_compr = parse_wan_compression(str);
 710     }
 711     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 712
 713     str = qemu_opt_get(opts, "streaming-video");
 714     if (str) {
 715         int streaming_video = parse_stream_video(str);
 716         spice_server_set_streaming_video(spice_server, streaming_video);
 717     }
 718
 719     spice_server_set_agent_mouse
 720         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 721     spice_server_set_playback_compression
 722         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 723
 724     qemu_opt_foreach(opts, add_channel, &tls_port, 0);
 725
 726 #if SPICE_SERVER_VERSION >= 0x000a02 /* 0.10.2 */
 727     spice_server_set_name(spice_server, qemu_name);
 728     spice_server_set_uuid(spice_server, qemu_uuid);
 729 #endif
 730
 731     if (0 != spice_server_init(spice_server, &core_interface)) {
 732         error_report("failed to initialize spice server");
 733         exit(1);
 734     };
 735     using_spice = 1;
 736
 737     migration_state.notify = migration_state_notifier;
 738     add_migration_state_change_notifier(&migration_state);
 739 #ifdef SPICE_INTERFACE_MIGRATION
 740     spice_migrate.sin.base.sif = &migrate_interface.base;
 741     spice_migrate.connect_complete.cb = NULL;
 742     qemu_spice_add_interface(&spice_migrate.sin.base);
 743 #endif
 744
 745     qemu_spice_input_init();
 746     qemu_spice_audio_init();
 747
 748     qemu_add_vm_change_state_handler(vm_change_state_handler, &spice_server);
 749
 750     g_free(x509_key_file);
 751     g_free(x509_cert_file);
 752     g_free(x509_cacert_file);
 753 }
 754
 755 int qemu_spice_add_interface(SpiceBaseInstance *sin)
 756 {
 757     if (!spice_server) {
 758         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 759             error_report("Oops: spice configured but not active");
 760             exit(1);
 761         }
 762         /*
 763          * Create a spice server instance.
 764          * It does *not* listen on the network.
 765          * It handles QXL local rendering only.
 766          *
 767          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 768          */
 769         spice_server = spice_server_new();
 770         spice_server_init(spice_server, &core_interface);
 771     }
 772
 773     return spice_server_add_interface(spice_server, sin);
 774 }
 775
 776 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 777 {
 778     time_t lifetime, now = time(NULL);
 779     char *passwd;
 780
 781     if (now < auth_expires) {
 782         passwd = auth_passwd;
 783         lifetime = (auth_expires - now);
 784         if (lifetime > INT_MAX) {
 785             lifetime = INT_MAX;
 786         }
 787     } else {
 788         passwd = NULL;
 789         lifetime = 1;
 790     }
 791     return spice_server_set_ticket(spice_server, passwd, lifetime,
 792                                    fail_if_conn, disconnect_if_conn);
 793 }
 794
 795 int qemu_spice_set_passwd(const char *passwd,
 796                           bool fail_if_conn, bool disconnect_if_conn)
 797 {
 798     free(auth_passwd);
 799     auth_passwd = strdup(passwd);
 800     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 801 }
 802
 803 int qemu_spice_set_pw_expire(time_t expires)
 804 {
 805     auth_expires = expires;
 806     return qemu_spice_set_ticket(false, false);
 807 }
 808
 809 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
 810 {
 811 #if SPICE_SERVER_VERSION >= 0x000a01
 812     if (tls) {
 813         return spice_server_add_ssl_client(spice_server, csock, skipauth);
 814     } else {
 815         return spice_server_add_client(spice_server, csock, skipauth);
 816     }
 817 #else
 818     return -1;
 819 #endif
 820 }
 821
 822 static void spice_register_config(void)
 823 {
 824     qemu_add_opts(&qemu_spice_opts);
 825 }
 826 machine_init(spice_register_config);