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