qemu/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
  20 #include <netdb.h>
  21 #include "sysemu/sysemu.h"
  22
  23 #include "qemu-common.h"
  24 #include "ui/qemu-spice.h"
  25 #include "qemu/error-report.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 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
 278 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
 279
 280 static const SpiceMigrateInterface migrate_interface = {
 281     .base.type = SPICE_INTERFACE_MIGRATION,
 282     .base.description = "migration",
 283     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
 284     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
 285     .migrate_connect_complete = migrate_connect_complete_cb,
 286     .migrate_end_complete = migrate_end_complete_cb,
 287 };
 288
 289 static SpiceMigrateInstance spice_migrate;
 290
 291 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
 292 {
 293     /* nothing, but libspice-server expects this cb being present. */
 294 }
 295
 296 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
 297 {
 298     qapi_event_send_spice_migrate_completed(&error_abort);
 299     spice_migration_completed = true;
 300 }
 301
 302 /* config string parsing */
 303
 304 static int name2enum(const char *string, const char *table[], int entries)
 305 {
 306     int i;
 307
 308     if (string) {
 309         for (i = 0; i < entries; i++) {
 310             if (!table[i]) {
 311                 continue;
 312             }
 313             if (strcmp(string, table[i]) != 0) {
 314                 continue;
 315             }
 316             return i;
 317         }
 318     }
 319     return -1;
 320 }
 321
 322 static int parse_name(const char *string, const char *optname,
 323                       const char *table[], int entries)
 324 {
 325     int value = name2enum(string, table, entries);
 326
 327     if (value != -1) {
 328         return value;
 329     }
 330     error_report("spice: invalid %s: %s", optname, string);
 331     exit(1);
 332 }
 333
 334 static const char *stream_video_names[] = {
 335     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
 336     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
 337     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
 338 };
 339 #define parse_stream_video(_name) \
 340     parse_name(_name, "stream video control", \
 341                stream_video_names, ARRAY_SIZE(stream_video_names))
 342
 343 static const char *compression_names[] = {
 344     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
 345     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
 346     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
 347     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
 348     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
 349     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
 350 };
 351 #define parse_compression(_name)                                        \
 352     parse_name(_name, "image compression",                              \
 353                compression_names, ARRAY_SIZE(compression_names))
 354
 355 static const char *wan_compression_names[] = {
 356     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
 357     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
 358     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
 359 };
 360 #define parse_wan_compression(_name)                                    \
 361     parse_name(_name, "wan compression",                                \
 362                wan_compression_names, ARRAY_SIZE(wan_compression_names))
 363
 364 /* functions for the rest of qemu */
 365
 366 static SpiceChannelList *qmp_query_spice_channels(void)
 367 {
 368     SpiceChannelList *cur_item = NULL, *head = NULL;
 369     ChannelList *item;
 370
 371     QTAILQ_FOREACH(item, &channel_list, link) {
 372         SpiceChannelList *chan;
 373         char host[NI_MAXHOST], port[NI_MAXSERV];
 374         struct sockaddr *paddr;
 375         socklen_t plen;
 376
 377         assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT);
 378
 379         chan = g_malloc0(sizeof(*chan));
 380         chan->value = g_malloc0(sizeof(*chan->value));
 381         chan->value->base = g_malloc0(sizeof(*chan->value->base));
 382
 383         paddr = (struct sockaddr *)&item->info->paddr_ext;
 384         plen = item->info->plen_ext;
 385         getnameinfo(paddr, plen,
 386                     host, sizeof(host), port, sizeof(port),
 387                     NI_NUMERICHOST | NI_NUMERICSERV);
 388         chan->value->base->host = g_strdup(host);
 389         chan->value->base->port = g_strdup(port);
 390         chan->value->base->family = inet_netfamily(paddr->sa_family);
 391
 392         chan->value->connection_id = item->info->connection_id;
 393         chan->value->channel_type = item->info->type;
 394         chan->value->channel_id = item->info->id;
 395         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 396
 397        /* XXX: waiting for the qapi to support GSList */
 398         if (!cur_item) {
 399             head = cur_item = chan;
 400         } else {
 401             cur_item->next = chan;
 402             cur_item = chan;
 403         }
 404     }
 405
 406     return head;
 407 }
 408
 409 static QemuOptsList qemu_spice_opts = {
 410     .name = "spice",
 411     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
 412     .desc = {
 413         {
 414             .name = "port",
 415             .type = QEMU_OPT_NUMBER,
 416         },{
 417             .name = "tls-port",
 418             .type = QEMU_OPT_NUMBER,
 419         },{
 420             .name = "addr",
 421             .type = QEMU_OPT_STRING,
 422         },{
 423             .name = "ipv4",
 424             .type = QEMU_OPT_BOOL,
 425         },{
 426             .name = "ipv6",
 427             .type = QEMU_OPT_BOOL,
 428 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 429         },{
 430             .name = "unix",
 431             .type = QEMU_OPT_BOOL,
 432 #endif
 433         },{
 434             .name = "password",
 435             .type = QEMU_OPT_STRING,
 436         },{
 437             .name = "disable-ticketing",
 438             .type = QEMU_OPT_BOOL,
 439         },{
 440             .name = "disable-copy-paste",
 441             .type = QEMU_OPT_BOOL,
 442         },{
 443             .name = "disable-agent-file-xfer",
 444             .type = QEMU_OPT_BOOL,
 445         },{
 446             .name = "sasl",
 447             .type = QEMU_OPT_BOOL,
 448         },{
 449             .name = "x509-dir",
 450             .type = QEMU_OPT_STRING,
 451         },{
 452             .name = "x509-key-file",
 453             .type = QEMU_OPT_STRING,
 454         },{
 455             .name = "x509-key-password",
 456             .type = QEMU_OPT_STRING,
 457         },{
 458             .name = "x509-cert-file",
 459             .type = QEMU_OPT_STRING,
 460         },{
 461             .name = "x509-cacert-file",
 462             .type = QEMU_OPT_STRING,
 463         },{
 464             .name = "x509-dh-key-file",
 465             .type = QEMU_OPT_STRING,
 466         },{
 467             .name = "tls-ciphers",
 468             .type = QEMU_OPT_STRING,
 469         },{
 470             .name = "tls-channel",
 471             .type = QEMU_OPT_STRING,
 472         },{
 473             .name = "plaintext-channel",
 474             .type = QEMU_OPT_STRING,
 475         },{
 476             .name = "image-compression",
 477             .type = QEMU_OPT_STRING,
 478         },{
 479             .name = "jpeg-wan-compression",
 480             .type = QEMU_OPT_STRING,
 481         },{
 482             .name = "zlib-glz-wan-compression",
 483             .type = QEMU_OPT_STRING,
 484         },{
 485             .name = "streaming-video",
 486             .type = QEMU_OPT_STRING,
 487         },{
 488             .name = "agent-mouse",
 489             .type = QEMU_OPT_BOOL,
 490         },{
 491             .name = "playback-compression",
 492             .type = QEMU_OPT_BOOL,
 493         }, {
 494             .name = "seamless-migration",
 495             .type = QEMU_OPT_BOOL,
 496         },
 497         { /* end of list */ }
 498     },
 499 };
 500
 501 SpiceInfo *qmp_query_spice(Error **errp)
 502 {
 503     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 504     int port, tls_port;
 505     const char *addr;
 506     SpiceInfo *info;
 507     unsigned int major;
 508     unsigned int minor;
 509     unsigned int micro;
 510
 511     info = g_malloc0(sizeof(*info));
 512
 513     if (!spice_server || !opts) {
 514         info->enabled = false;
 515         return info;
 516     }
 517
 518     info->enabled = true;
 519     info->migrated = spice_migration_completed;
 520
 521     addr = qemu_opt_get(opts, "addr");
 522     port = qemu_opt_get_number(opts, "port", 0);
 523     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 524
 525     info->has_auth = true;
 526     info->auth = g_strdup(auth);
 527
 528     info->has_host = true;
 529     info->host = g_strdup(addr ? addr : "*");
 530
 531     info->has_compiled_version = true;
 532     major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
 533     minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
 534     micro = SPICE_SERVER_VERSION & 0xff;
 535     info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
 536
 537     if (port) {
 538         info->has_port = true;
 539         info->port = port;
 540     }
 541     if (tls_port) {
 542         info->has_tls_port = true;
 543         info->tls_port = tls_port;
 544     }
 545
 546     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
 547                        SPICE_QUERY_MOUSE_MODE_SERVER :
 548                        SPICE_QUERY_MOUSE_MODE_CLIENT;
 549
 550     /* for compatibility with the original command */
 551     info->has_channels = true;
 552     info->channels = qmp_query_spice_channels();
 553
 554     return info;
 555 }
 556
 557 static void migration_state_notifier(Notifier *notifier, void *data)
 558 {
 559     MigrationState *s = data;
 560
 561     if (!spice_have_target_host) {
 562         return;
 563     }
 564
 565     if (migration_in_setup(s)) {
 566         spice_server_migrate_start(spice_server);
 567     } else if (migration_has_finished(s)) {
 568         spice_server_migrate_end(spice_server, true);
 569         spice_have_target_host = false;
 570     } else if (migration_has_failed(s)) {
 571         spice_server_migrate_end(spice_server, false);
 572         spice_have_target_host = false;
 573     }
 574 }
 575
 576 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 577                             const char *subject)
 578 {
 579     int ret;
 580
 581     ret = spice_server_migrate_connect(spice_server, hostname,
 582                                        port, tls_port, subject);
 583     spice_have_target_host = true;
 584     return ret;
 585 }
 586
 587 static int add_channel(void *opaque, const char *name, const char *value,
 588                        Error **errp)
 589 {
 590     int security = 0;
 591     int rc;
 592
 593     if (strcmp(name, "tls-channel") == 0) {
 594         int *tls_port = opaque;
 595         if (!*tls_port) {
 596             error_report("spice: tried to setup tls-channel"
 597                          " without specifying a TLS port");
 598             exit(1);
 599         }
 600         security = SPICE_CHANNEL_SECURITY_SSL;
 601     }
 602     if (strcmp(name, "plaintext-channel") == 0) {
 603         security = SPICE_CHANNEL_SECURITY_NONE;
 604     }
 605     if (security == 0) {
 606         return 0;
 607     }
 608     if (strcmp(value, "default") == 0) {
 609         rc = spice_server_set_channel_security(spice_server, NULL, security);
 610     } else {
 611         rc = spice_server_set_channel_security(spice_server, value, security);
 612     }
 613     if (rc != 0) {
 614         error_report("spice: failed to set channel security for %s", value);
 615         exit(1);
 616     }
 617     return 0;
 618 }
 619
 620 static void vm_change_state_handler(void *opaque, int running,
 621                                     RunState state)
 622 {
 623     if (running) {
 624         qemu_spice_display_start();
 625     } else {
 626         qemu_spice_display_stop();
 627     }
 628 }
 629
 630 void qemu_spice_init(void)
 631 {
 632     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 633     const char *password, *str, *x509_dir, *addr,
 634         *x509_key_password = NULL,
 635         *x509_dh_file = NULL,
 636         *tls_ciphers = NULL;
 637     char *x509_key_file = NULL,
 638         *x509_cert_file = NULL,
 639         *x509_cacert_file = NULL;
 640     int port, tls_port, addr_flags;
 641     spice_image_compression_t compression;
 642     spice_wan_compression_t wan_compr;
 643     bool seamless_migration;
 644
 645     qemu_thread_get_self(&me);
 646
 647     if (!opts) {
 648         return;
 649     }
 650     port = qemu_opt_get_number(opts, "port", 0);
 651     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 652     if (port < 0 || port > 65535) {
 653         error_report("spice port is out of range");
 654         exit(1);
 655     }
 656     if (tls_port < 0 || tls_port > 65535) {
 657         error_report("spice tls-port is out of range");
 658         exit(1);
 659     }
 660     password = qemu_opt_get(opts, "password");
 661
 662     if (tls_port) {
 663         x509_dir = qemu_opt_get(opts, "x509-dir");
 664         if (!x509_dir) {
 665             x509_dir = ".";
 666         }
 667
 668         str = qemu_opt_get(opts, "x509-key-file");
 669         if (str) {
 670             x509_key_file = g_strdup(str);
 671         } else {
 672             x509_key_file = g_strdup_printf("%s/%s", x509_dir,
 673                                             X509_SERVER_KEY_FILE);
 674         }
 675
 676         str = qemu_opt_get(opts, "x509-cert-file");
 677         if (str) {
 678             x509_cert_file = g_strdup(str);
 679         } else {
 680             x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
 681                                              X509_SERVER_CERT_FILE);
 682         }
 683
 684         str = qemu_opt_get(opts, "x509-cacert-file");
 685         if (str) {
 686             x509_cacert_file = g_strdup(str);
 687         } else {
 688             x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
 689                                                X509_CA_CERT_FILE);
 690         }
 691
 692         x509_key_password = qemu_opt_get(opts, "x509-key-password");
 693         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
 694         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
 695     }
 696
 697     addr = qemu_opt_get(opts, "addr");
 698     addr_flags = 0;
 699     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
 700         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
 701     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
 702         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
 703 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 704     } else if (qemu_opt_get_bool(opts, "unix", 0)) {
 705         addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY;
 706 #endif
 707     }
 708
 709     spice_server = spice_server_new();
 710     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
 711     if (port) {
 712         spice_server_set_port(spice_server, port);
 713     }
 714     if (tls_port) {
 715         spice_server_set_tls(spice_server, tls_port,
 716                              x509_cacert_file,
 717                              x509_cert_file,
 718                              x509_key_file,
 719                              x509_key_password,
 720                              x509_dh_file,
 721                              tls_ciphers);
 722     }
 723     if (password) {
 724         qemu_spice_set_passwd(password, false, false);
 725     }
 726     if (qemu_opt_get_bool(opts, "sasl", 0)) {
 727         if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 ||
 728             spice_server_set_sasl(spice_server, 1) == -1) {
 729             error_report("spice: failed to enable sasl");
 730             exit(1);
 731         }
 732         auth = "sasl";
 733     }
 734     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 735         auth = "none";
 736         spice_server_set_noauth(spice_server);
 737     }
 738
 739     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 740         spice_server_set_agent_copypaste(spice_server, false);
 741     }
 742
 743     if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
 744 #if SPICE_SERVER_VERSION >= 0x000c04
 745         spice_server_set_agent_file_xfer(spice_server, false);
 746 #else
 747         error_report("this qemu build does not support the "
 748                      "\"disable-agent-file-xfer\" option");
 749         exit(1);
 750 #endif
 751     }
 752
 753     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 754     str = qemu_opt_get(opts, "image-compression");
 755     if (str) {
 756         compression = parse_compression(str);
 757     }
 758     spice_server_set_image_compression(spice_server, compression);
 759
 760     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 761     str = qemu_opt_get(opts, "jpeg-wan-compression");
 762     if (str) {
 763         wan_compr = parse_wan_compression(str);
 764     }
 765     spice_server_set_jpeg_compression(spice_server, wan_compr);
 766
 767     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 768     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 769     if (str) {
 770         wan_compr = parse_wan_compression(str);
 771     }
 772     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 773
 774     str = qemu_opt_get(opts, "streaming-video");
 775     if (str) {
 776         int streaming_video = parse_stream_video(str);
 777         spice_server_set_streaming_video(spice_server, streaming_video);
 778     } else {
 779         spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
 780     }
 781
 782     spice_server_set_agent_mouse
 783         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 784     spice_server_set_playback_compression
 785         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 786
 787     qemu_opt_foreach(opts, add_channel, &tls_port, NULL);
 788
 789     spice_server_set_name(spice_server, qemu_name);
 790     spice_server_set_uuid(spice_server, qemu_uuid);
 791
 792     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
 793     spice_server_set_seamless_migration(spice_server, seamless_migration);
 794     if (spice_server_init(spice_server, &core_interface) != 0) {
 795         error_report("failed to initialize spice server");
 796         exit(1);
 797     };
 798     using_spice = 1;
 799
 800     migration_state.notify = migration_state_notifier;
 801     add_migration_state_change_notifier(&migration_state);
 802     spice_migrate.base.sif = &migrate_interface.base;
 803     qemu_spice_add_interface(&spice_migrate.base);
 804
 805     qemu_spice_input_init();
 806     qemu_spice_audio_init();
 807
 808     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 809     qemu_spice_display_stop();
 810
 811     g_free(x509_key_file);
 812     g_free(x509_cert_file);
 813     g_free(x509_cacert_file);
 814
 815 #if SPICE_SERVER_VERSION >= 0x000c02
 816     qemu_spice_register_ports();
 817 #endif
 818 }
 819
 820 int qemu_spice_add_interface(SpiceBaseInstance *sin)
 821 {
 822     if (!spice_server) {
 823         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 824             error_report("Oops: spice configured but not active");
 825             exit(1);
 826         }
 827         /*
 828          * Create a spice server instance.
 829          * It does *not* listen on the network.
 830          * It handles QXL local rendering only.
 831          *
 832          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 833          */
 834         spice_server = spice_server_new();
 835         spice_server_set_sasl_appname(spice_server, "qemu");
 836         spice_server_init(spice_server, &core_interface);
 837         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 838     }
 839
 840     return spice_server_add_interface(spice_server, sin);
 841 }
 842
 843 static GSList *spice_consoles;
 844
 845 bool qemu_spice_have_display_interface(QemuConsole *con)
 846 {
 847     if (g_slist_find(spice_consoles, con)) {
 848         return true;
 849     }
 850     return false;
 851 }
 852
 853 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
 854 {
 855     if (g_slist_find(spice_consoles, con)) {
 856         return -1;
 857     }
 858     qxlin->id = qemu_console_get_index(con);
 859     spice_consoles = g_slist_append(spice_consoles, con);
 860     return qemu_spice_add_interface(&qxlin->base);
 861 }
 862
 863 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 864 {
 865     time_t lifetime, now = time(NULL);
 866     char *passwd;
 867
 868     if (now < auth_expires) {
 869         passwd = auth_passwd;
 870         lifetime = (auth_expires - now);
 871         if (lifetime > INT_MAX) {
 872             lifetime = INT_MAX;
 873         }
 874     } else {
 875         passwd = NULL;
 876         lifetime = 1;
 877     }
 878     return spice_server_set_ticket(spice_server, passwd, lifetime,
 879                                    fail_if_conn, disconnect_if_conn);
 880 }
 881
 882 int qemu_spice_set_passwd(const char *passwd,
 883                           bool fail_if_conn, bool disconnect_if_conn)
 884 {
 885     if (strcmp(auth, "spice") != 0) {
 886         return -1;
 887     }
 888
 889     g_free(auth_passwd);
 890     auth_passwd = g_strdup(passwd);
 891     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 892 }
 893
 894 int qemu_spice_set_pw_expire(time_t expires)
 895 {
 896     auth_expires = expires;
 897     return qemu_spice_set_ticket(false, false);
 898 }
 899
 900 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
 901 {
 902     if (tls) {
 903         return spice_server_add_ssl_client(spice_server, csock, skipauth);
 904     } else {
 905         return spice_server_add_client(spice_server, csock, skipauth);
 906     }
 907 }
 908
 909 void qemu_spice_display_start(void)
 910 {
 911     spice_display_is_running = true;
 912     spice_server_vm_start(spice_server);
 913 }
 914
 915 void qemu_spice_display_stop(void)
 916 {
 917     spice_server_vm_stop(spice_server);
 918     spice_display_is_running = false;
 919 }
 920
 921 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
 922 {
 923     return spice_display_is_running;
 924 }
 925
 926 static void spice_register_config(void)
 927 {
 928     qemu_add_opts(&qemu_spice_opts);
 929 }
 930 machine_init(spice_register_config);