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