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 "qemu/osdep.h"
  19 #include <spice.h>
  20
  21 #include <netdb.h>
  22 #include "sysemu/sysemu.h"
  23
  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/error.h"
  33 #include "qemu/notify.h"
  34 #include "qemu/option.h"
  35 #include "migration/misc.h"
  36 #include "hw/hw.h"
  37 #include "ui/spice-display.h"
  38 #include "qapi-event.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 static int spice_migration_completed;
  48 static int spice_display_is_running;
  49 static int spice_have_target_host;
  50 int using_spice = 0;
  51
  52 static QemuThread me;
  53
  54 struct SpiceTimer {
  55     QEMUTimer *timer;
  56 };
  57
  58 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
  59 {
  60     SpiceTimer *timer;
  61
  62     timer = g_malloc0(sizeof(*timer));
  63     timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
  64     return timer;
  65 }
  66
  67 static void timer_start(SpiceTimer *timer, uint32_t ms)
  68 {
  69     timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
  70 }
  71
  72 static void timer_cancel(SpiceTimer *timer)
  73 {
  74     timer_del(timer->timer);
  75 }
  76
  77 static void timer_remove(SpiceTimer *timer)
  78 {
  79     timer_del(timer->timer);
  80     timer_free(timer->timer);
  81     g_free(timer);
  82 }
  83
  84 struct SpiceWatch {
  85     int fd;
  86     SpiceWatchFunc func;
  87     void *opaque;
  88 };
  89
  90 static void watch_read(void *opaque)
  91 {
  92     SpiceWatch *watch = opaque;
  93     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
  94 }
  95
  96 static void watch_write(void *opaque)
  97 {
  98     SpiceWatch *watch = opaque;
  99     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
 100 }
 101
 102 static void watch_update_mask(SpiceWatch *watch, int event_mask)
 103 {
 104     IOHandler *on_read = NULL;
 105     IOHandler *on_write = NULL;
 106
 107     if (event_mask & SPICE_WATCH_EVENT_READ) {
 108         on_read = watch_read;
 109     }
 110     if (event_mask & SPICE_WATCH_EVENT_WRITE) {
 111         on_write = watch_write;
 112     }
 113     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
 114 }
 115
 116 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 117 {
 118     SpiceWatch *watch;
 119
 120     watch = g_malloc0(sizeof(*watch));
 121     watch->fd     = fd;
 122     watch->func   = func;
 123     watch->opaque = opaque;
 124
 125     watch_update_mask(watch, event_mask);
 126     return watch;
 127 }
 128
 129 static void watch_remove(SpiceWatch *watch)
 130 {
 131     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
 132     g_free(watch);
 133 }
 134
 135 typedef struct ChannelList ChannelList;
 136 struct ChannelList {
 137     SpiceChannelEventInfo *info;
 138     QTAILQ_ENTRY(ChannelList) link;
 139 };
 140 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
 141
 142 static void channel_list_add(SpiceChannelEventInfo *info)
 143 {
 144     ChannelList *item;
 145
 146     item = g_malloc0(sizeof(*item));
 147     item->info = info;
 148     QTAILQ_INSERT_TAIL(&channel_list, item, link);
 149 }
 150
 151 static void channel_list_del(SpiceChannelEventInfo *info)
 152 {
 153     ChannelList *item;
 154
 155     QTAILQ_FOREACH(item, &channel_list, link) {
 156         if (item->info != info) {
 157             continue;
 158         }
 159         QTAILQ_REMOVE(&channel_list, item, link);
 160         g_free(item);
 161         return;
 162     }
 163 }
 164
 165 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
 166 {
 167     char host[NI_MAXHOST], port[NI_MAXSERV];
 168
 169     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
 170                 NI_NUMERICHOST | NI_NUMERICSERV);
 171
 172     info->host = g_strdup(host);
 173     info->port = g_strdup(port);
 174     info->family = inet_netfamily(addr->sa_family);
 175 }
 176
 177 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
 178 {
 179     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 180
 181     sc->connection_id = info->connection_id;
 182     sc->channel_type = info->type;
 183     sc->channel_id = info->id;
 184     sc->tls = !!tls;
 185 }
 186
 187 static void channel_event(int event, SpiceChannelEventInfo *info)
 188 {
 189     SpiceServerInfo *server = g_malloc0(sizeof(*server));
 190     SpiceChannel *client = g_malloc0(sizeof(*client));
 191
 192     /*
 193      * Spice server might have called us from spice worker thread
 194      * context (happens on display channel disconnects).  Spice should
 195      * not do that.  It isn't that easy to fix it in spice and even
 196      * when it is fixed we still should cover the already released
 197      * spice versions.  So detect that we've been called from another
 198      * thread and grab the iothread lock if so before calling qemu
 199      * functions.
 200      */
 201     bool need_lock = !qemu_thread_is_self(&me);
 202     if (need_lock) {
 203         qemu_mutex_lock_iothread();
 204     }
 205
 206     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 207         add_addr_info(qapi_SpiceChannel_base(client),
 208                       (struct sockaddr *)&info->paddr_ext,
 209                       info->plen_ext);
 210         add_addr_info(qapi_SpiceServerInfo_base(server),
 211                       (struct sockaddr *)&info->laddr_ext,
 212                       info->llen_ext);
 213     } else {
 214         error_report("spice: %s, extended address is expected",
 215                      __func__);
 216     }
 217
 218     switch (event) {
 219     case SPICE_CHANNEL_EVENT_CONNECTED:
 220         qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server),
 221                                         qapi_SpiceChannel_base(client),
 222                                         &error_abort);
 223         break;
 224     case SPICE_CHANNEL_EVENT_INITIALIZED:
 225         if (auth) {
 226             server->has_auth = true;
 227             server->auth = g_strdup(auth);
 228         }
 229         add_channel_info(client, info);
 230         channel_list_add(info);
 231         qapi_event_send_spice_initialized(server, client, &error_abort);
 232         break;
 233     case SPICE_CHANNEL_EVENT_DISCONNECTED:
 234         channel_list_del(info);
 235         qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server),
 236                                            qapi_SpiceChannel_base(client),
 237                                            &error_abort);
 238         break;
 239     default:
 240         break;
 241     }
 242
 243     if (need_lock) {
 244         qemu_mutex_unlock_iothread();
 245     }
 246
 247     qapi_free_SpiceServerInfo(server);
 248     qapi_free_SpiceChannel(client);
 249 }
 250
 251 static SpiceCoreInterface core_interface = {
 252     .base.type          = SPICE_INTERFACE_CORE,
 253     .base.description   = "qemu core services",
 254     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
 255     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
 256
 257     .timer_add          = timer_add,
 258     .timer_start        = timer_start,
 259     .timer_cancel       = timer_cancel,
 260     .timer_remove       = timer_remove,
 261
 262     .watch_add          = watch_add,
 263     .watch_update_mask  = watch_update_mask,
 264     .watch_remove       = watch_remove,
 265
 266     .channel_event      = channel_event,
 267 };
 268
 269 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
 270 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
 271
 272 static const SpiceMigrateInterface migrate_interface = {
 273     .base.type = SPICE_INTERFACE_MIGRATION,
 274     .base.description = "migration",
 275     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
 276     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
 277     .migrate_connect_complete = migrate_connect_complete_cb,
 278     .migrate_end_complete = migrate_end_complete_cb,
 279 };
 280
 281 static SpiceMigrateInstance spice_migrate;
 282
 283 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
 284 {
 285     /* nothing, but libspice-server expects this cb being present. */
 286 }
 287
 288 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
 289 {
 290     qapi_event_send_spice_migrate_completed(&error_abort);
 291     spice_migration_completed = true;
 292 }
 293
 294 /* config string parsing */
 295
 296 static int name2enum(const char *string, const char *table[], int entries)
 297 {
 298     int i;
 299
 300     if (string) {
 301         for (i = 0; i < entries; i++) {
 302             if (!table[i]) {
 303                 continue;
 304             }
 305             if (strcmp(string, table[i]) != 0) {
 306                 continue;
 307             }
 308             return i;
 309         }
 310     }
 311     return -1;
 312 }
 313
 314 static int parse_name(const char *string, const char *optname,
 315                       const char *table[], int entries)
 316 {
 317     int value = name2enum(string, table, entries);
 318
 319     if (value != -1) {
 320         return value;
 321     }
 322     error_report("spice: invalid %s: %s", optname, string);
 323     exit(1);
 324 }
 325
 326 static const char *stream_video_names[] = {
 327     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
 328     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
 329     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
 330 };
 331 #define parse_stream_video(_name) \
 332     parse_name(_name, "stream video control", \
 333                stream_video_names, ARRAY_SIZE(stream_video_names))
 334
 335 static const char *compression_names[] = {
 336     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
 337     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
 338     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
 339     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
 340     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
 341     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
 342 };
 343 #define parse_compression(_name)                                        \
 344     parse_name(_name, "image compression",                              \
 345                compression_names, ARRAY_SIZE(compression_names))
 346
 347 static const char *wan_compression_names[] = {
 348     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
 349     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
 350     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
 351 };
 352 #define parse_wan_compression(_name)                                    \
 353     parse_name(_name, "wan compression",                                \
 354                wan_compression_names, ARRAY_SIZE(wan_compression_names))
 355
 356 /* functions for the rest of qemu */
 357
 358 static SpiceChannelList *qmp_query_spice_channels(void)
 359 {
 360     SpiceChannelList *cur_item = NULL, *head = NULL;
 361     ChannelList *item;
 362
 363     QTAILQ_FOREACH(item, &channel_list, link) {
 364         SpiceChannelList *chan;
 365         char host[NI_MAXHOST], port[NI_MAXSERV];
 366         struct sockaddr *paddr;
 367         socklen_t plen;
 368
 369         assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT);
 370
 371         chan = g_malloc0(sizeof(*chan));
 372         chan->value = g_malloc0(sizeof(*chan->value));
 373
 374         paddr = (struct sockaddr *)&item->info->paddr_ext;
 375         plen = item->info->plen_ext;
 376         getnameinfo(paddr, plen,
 377                     host, sizeof(host), port, sizeof(port),
 378                     NI_NUMERICHOST | NI_NUMERICSERV);
 379         chan->value->host = g_strdup(host);
 380         chan->value->port = g_strdup(port);
 381         chan->value->family = inet_netfamily(paddr->sa_family);
 382
 383         chan->value->connection_id = item->info->connection_id;
 384         chan->value->channel_type = item->info->type;
 385         chan->value->channel_id = item->info->id;
 386         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 387
 388        /* XXX: waiting for the qapi to support GSList */
 389         if (!cur_item) {
 390             head = cur_item = chan;
 391         } else {
 392             cur_item->next = chan;
 393             cur_item = chan;
 394         }
 395     }
 396
 397     return head;
 398 }
 399
 400 static QemuOptsList qemu_spice_opts = {
 401     .name = "spice",
 402     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
 403     .desc = {
 404         {
 405             .name = "port",
 406             .type = QEMU_OPT_NUMBER,
 407         },{
 408             .name = "tls-port",
 409             .type = QEMU_OPT_NUMBER,
 410         },{
 411             .name = "addr",
 412             .type = QEMU_OPT_STRING,
 413         },{
 414             .name = "ipv4",
 415             .type = QEMU_OPT_BOOL,
 416         },{
 417             .name = "ipv6",
 418             .type = QEMU_OPT_BOOL,
 419 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 420         },{
 421             .name = "unix",
 422             .type = QEMU_OPT_BOOL,
 423 #endif
 424         },{
 425             .name = "password",
 426             .type = QEMU_OPT_STRING,
 427         },{
 428             .name = "disable-ticketing",
 429             .type = QEMU_OPT_BOOL,
 430         },{
 431             .name = "disable-copy-paste",
 432             .type = QEMU_OPT_BOOL,
 433         },{
 434             .name = "disable-agent-file-xfer",
 435             .type = QEMU_OPT_BOOL,
 436         },{
 437             .name = "sasl",
 438             .type = QEMU_OPT_BOOL,
 439         },{
 440             .name = "x509-dir",
 441             .type = QEMU_OPT_STRING,
 442         },{
 443             .name = "x509-key-file",
 444             .type = QEMU_OPT_STRING,
 445         },{
 446             .name = "x509-key-password",
 447             .type = QEMU_OPT_STRING,
 448         },{
 449             .name = "x509-cert-file",
 450             .type = QEMU_OPT_STRING,
 451         },{
 452             .name = "x509-cacert-file",
 453             .type = QEMU_OPT_STRING,
 454         },{
 455             .name = "x509-dh-key-file",
 456             .type = QEMU_OPT_STRING,
 457         },{
 458             .name = "tls-ciphers",
 459             .type = QEMU_OPT_STRING,
 460         },{
 461             .name = "tls-channel",
 462             .type = QEMU_OPT_STRING,
 463         },{
 464             .name = "plaintext-channel",
 465             .type = QEMU_OPT_STRING,
 466         },{
 467             .name = "image-compression",
 468             .type = QEMU_OPT_STRING,
 469         },{
 470             .name = "jpeg-wan-compression",
 471             .type = QEMU_OPT_STRING,
 472         },{
 473             .name = "zlib-glz-wan-compression",
 474             .type = QEMU_OPT_STRING,
 475         },{
 476             .name = "streaming-video",
 477             .type = QEMU_OPT_STRING,
 478         },{
 479             .name = "agent-mouse",
 480             .type = QEMU_OPT_BOOL,
 481         },{
 482             .name = "playback-compression",
 483             .type = QEMU_OPT_BOOL,
 484         },{
 485             .name = "seamless-migration",
 486             .type = QEMU_OPT_BOOL,
 487         },{
 488             .name = "display",
 489             .type = QEMU_OPT_STRING,
 490         },{
 491             .name = "head",
 492             .type = QEMU_OPT_NUMBER,
 493 #ifdef HAVE_SPICE_GL
 494         },{
 495             .name = "gl",
 496             .type = QEMU_OPT_BOOL,
 497         },{
 498             .name = "rendernode",
 499             .type = QEMU_OPT_STRING,
 500 #endif
 501         },
 502         { /* end of list */ }
 503     },
 504 };
 505
 506 SpiceInfo *qmp_query_spice(Error **errp)
 507 {
 508     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 509     int port, tls_port;
 510     const char *addr;
 511     SpiceInfo *info;
 512     unsigned int major;
 513     unsigned int minor;
 514     unsigned int micro;
 515
 516     info = g_malloc0(sizeof(*info));
 517
 518     if (!spice_server || !opts) {
 519         info->enabled = false;
 520         return info;
 521     }
 522
 523     info->enabled = true;
 524     info->migrated = spice_migration_completed;
 525
 526     addr = qemu_opt_get(opts, "addr");
 527     port = qemu_opt_get_number(opts, "port", 0);
 528     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 529
 530     info->has_auth = true;
 531     info->auth = g_strdup(auth);
 532
 533     info->has_host = true;
 534     info->host = g_strdup(addr ? addr : "*");
 535
 536     info->has_compiled_version = true;
 537     major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
 538     minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
 539     micro = SPICE_SERVER_VERSION & 0xff;
 540     info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
 541
 542     if (port) {
 543         info->has_port = true;
 544         info->port = port;
 545     }
 546     if (tls_port) {
 547         info->has_tls_port = true;
 548         info->tls_port = tls_port;
 549     }
 550
 551     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
 552                        SPICE_QUERY_MOUSE_MODE_SERVER :
 553                        SPICE_QUERY_MOUSE_MODE_CLIENT;
 554
 555     /* for compatibility with the original command */
 556     info->has_channels = true;
 557     info->channels = qmp_query_spice_channels();
 558
 559     return info;
 560 }
 561
 562 static void migration_state_notifier(Notifier *notifier, void *data)
 563 {
 564     MigrationState *s = data;
 565
 566     if (!spice_have_target_host) {
 567         return;
 568     }
 569
 570     if (migration_in_setup(s)) {
 571         spice_server_migrate_start(spice_server);
 572     } else if (migration_has_finished(s) ||
 573                migration_in_postcopy_after_devices(s)) {
 574         spice_server_migrate_end(spice_server, true);
 575         spice_have_target_host = false;
 576     } else if (migration_has_failed(s)) {
 577         spice_server_migrate_end(spice_server, false);
 578         spice_have_target_host = false;
 579     }
 580 }
 581
 582 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 583                             const char *subject)
 584 {
 585     int ret;
 586
 587     ret = spice_server_migrate_connect(spice_server, hostname,
 588                                        port, tls_port, subject);
 589     spice_have_target_host = true;
 590     return ret;
 591 }
 592
 593 static int add_channel(void *opaque, const char *name, const char *value,
 594                        Error **errp)
 595 {
 596     int security = 0;
 597     int rc;
 598
 599     if (strcmp(name, "tls-channel") == 0) {
 600         int *tls_port = opaque;
 601         if (!*tls_port) {
 602             error_report("spice: tried to setup tls-channel"
 603                          " without specifying a TLS port");
 604             exit(1);
 605         }
 606         security = SPICE_CHANNEL_SECURITY_SSL;
 607     }
 608     if (strcmp(name, "plaintext-channel") == 0) {
 609         security = SPICE_CHANNEL_SECURITY_NONE;
 610     }
 611     if (security == 0) {
 612         return 0;
 613     }
 614     if (strcmp(value, "default") == 0) {
 615         rc = spice_server_set_channel_security(spice_server, NULL, security);
 616     } else {
 617         rc = spice_server_set_channel_security(spice_server, value, security);
 618     }
 619     if (rc != 0) {
 620         error_report("spice: failed to set channel security for %s", value);
 621         exit(1);
 622     }
 623     return 0;
 624 }
 625
 626 static void vm_change_state_handler(void *opaque, int running,
 627                                     RunState state)
 628 {
 629     if (running) {
 630         qemu_spice_display_start();
 631     } else {
 632         qemu_spice_display_stop();
 633     }
 634 }
 635
 636 void qemu_spice_init(void)
 637 {
 638     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 639     const char *password, *str, *x509_dir, *addr,
 640         *x509_key_password = NULL,
 641         *x509_dh_file = NULL,
 642         *tls_ciphers = NULL;
 643     char *x509_key_file = NULL,
 644         *x509_cert_file = NULL,
 645         *x509_cacert_file = NULL;
 646     int port, tls_port, addr_flags;
 647     spice_image_compression_t compression;
 648     spice_wan_compression_t wan_compr;
 649     bool seamless_migration;
 650
 651     qemu_thread_get_self(&me);
 652
 653     if (!opts) {
 654         return;
 655     }
 656     port = qemu_opt_get_number(opts, "port", 0);
 657     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 658     if (port < 0 || port > 65535) {
 659         error_report("spice port is out of range");
 660         exit(1);
 661     }
 662     if (tls_port < 0 || tls_port > 65535) {
 663         error_report("spice tls-port is out of range");
 664         exit(1);
 665     }
 666     password = qemu_opt_get(opts, "password");
 667
 668     if (tls_port) {
 669         x509_dir = qemu_opt_get(opts, "x509-dir");
 670         if (!x509_dir) {
 671             x509_dir = ".";
 672         }
 673
 674         str = qemu_opt_get(opts, "x509-key-file");
 675         if (str) {
 676             x509_key_file = g_strdup(str);
 677         } else {
 678             x509_key_file = g_strdup_printf("%s/%s", x509_dir,
 679                                             X509_SERVER_KEY_FILE);
 680         }
 681
 682         str = qemu_opt_get(opts, "x509-cert-file");
 683         if (str) {
 684             x509_cert_file = g_strdup(str);
 685         } else {
 686             x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
 687                                              X509_SERVER_CERT_FILE);
 688         }
 689
 690         str = qemu_opt_get(opts, "x509-cacert-file");
 691         if (str) {
 692             x509_cacert_file = g_strdup(str);
 693         } else {
 694             x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
 695                                                X509_CA_CERT_FILE);
 696         }
 697
 698         x509_key_password = qemu_opt_get(opts, "x509-key-password");
 699         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
 700         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
 701     }
 702
 703     addr = qemu_opt_get(opts, "addr");
 704     addr_flags = 0;
 705     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
 706         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
 707     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
 708         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
 709 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 710     } else if (qemu_opt_get_bool(opts, "unix", 0)) {
 711         addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY;
 712 #endif
 713     }
 714
 715     spice_server = spice_server_new();
 716     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
 717     if (port) {
 718         spice_server_set_port(spice_server, port);
 719     }
 720     if (tls_port) {
 721         spice_server_set_tls(spice_server, tls_port,
 722                              x509_cacert_file,
 723                              x509_cert_file,
 724                              x509_key_file,
 725                              x509_key_password,
 726                              x509_dh_file,
 727                              tls_ciphers);
 728     }
 729     if (password) {
 730         qemu_spice_set_passwd(password, false, false);
 731     }
 732     if (qemu_opt_get_bool(opts, "sasl", 0)) {
 733         if (spice_server_set_sasl(spice_server, 1) == -1) {
 734             error_report("spice: failed to enable sasl");
 735             exit(1);
 736         }
 737         auth = "sasl";
 738     }
 739     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 740         auth = "none";
 741         spice_server_set_noauth(spice_server);
 742     }
 743
 744     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 745         spice_server_set_agent_copypaste(spice_server, false);
 746     }
 747
 748     if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
 749 #if SPICE_SERVER_VERSION >= 0x000c04
 750         spice_server_set_agent_file_xfer(spice_server, false);
 751 #else
 752         error_report("this qemu build does not support the "
 753                      "\"disable-agent-file-xfer\" option");
 754         exit(1);
 755 #endif
 756     }
 757
 758     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 759     str = qemu_opt_get(opts, "image-compression");
 760     if (str) {
 761         compression = parse_compression(str);
 762     }
 763     spice_server_set_image_compression(spice_server, compression);
 764
 765     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 766     str = qemu_opt_get(opts, "jpeg-wan-compression");
 767     if (str) {
 768         wan_compr = parse_wan_compression(str);
 769     }
 770     spice_server_set_jpeg_compression(spice_server, wan_compr);
 771
 772     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 773     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 774     if (str) {
 775         wan_compr = parse_wan_compression(str);
 776     }
 777     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 778
 779     str = qemu_opt_get(opts, "streaming-video");
 780     if (str) {
 781         int streaming_video = parse_stream_video(str);
 782         spice_server_set_streaming_video(spice_server, streaming_video);
 783     } else {
 784         spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
 785     }
 786
 787     spice_server_set_agent_mouse
 788         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 789     spice_server_set_playback_compression
 790         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 791
 792     qemu_opt_foreach(opts, add_channel, &tls_port, NULL);
 793
 794     spice_server_set_name(spice_server, qemu_name);
 795     spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid);
 796
 797     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
 798     spice_server_set_seamless_migration(spice_server, seamless_migration);
 799     spice_server_set_sasl_appname(spice_server, "qemu");
 800     if (spice_server_init(spice_server, &core_interface) != 0) {
 801         error_report("failed to initialize spice server");
 802         exit(1);
 803     };
 804     using_spice = 1;
 805
 806     migration_state.notify = migration_state_notifier;
 807     add_migration_state_change_notifier(&migration_state);
 808     spice_migrate.base.sif = &migrate_interface.base;
 809     qemu_spice_add_interface(&spice_migrate.base);
 810
 811     qemu_spice_input_init();
 812     qemu_spice_audio_init();
 813
 814     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 815     qemu_spice_display_stop();
 816
 817     g_free(x509_key_file);
 818     g_free(x509_cert_file);
 819     g_free(x509_cacert_file);
 820
 821 #if SPICE_SERVER_VERSION >= 0x000c02
 822     qemu_spice_register_ports();
 823 #endif
 824
 825 #ifdef HAVE_SPICE_GL
 826     if (qemu_opt_get_bool(opts, "gl", 0)) {
 827         if ((port != 0) || (tls_port != 0)) {
 828             error_report("SPICE GL support is local-only for now and "
 829                          "incompatible with -spice port/tls-port");
 830             exit(1);
 831         }
 832         if (egl_rendernode_init(qemu_opt_get(opts, "rendernode")) != 0) {
 833             error_report("Failed to initialize EGL render node for SPICE GL");
 834             exit(1);
 835         }
 836         display_opengl = 1;
 837         spice_opengl = 1;
 838     }
 839 #endif
 840 }
 841
 842 int qemu_spice_add_interface(SpiceBaseInstance *sin)
 843 {
 844     if (!spice_server) {
 845         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 846             error_report("Oops: spice configured but not active");
 847             exit(1);
 848         }
 849         /*
 850          * Create a spice server instance.
 851          * It does *not* listen on the network.
 852          * It handles QXL local rendering only.
 853          *
 854          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 855          */
 856         spice_server = spice_server_new();
 857         spice_server_set_sasl_appname(spice_server, "qemu");
 858         spice_server_init(spice_server, &core_interface);
 859         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 860     }
 861
 862     return spice_server_add_interface(spice_server, sin);
 863 }
 864
 865 static GSList *spice_consoles;
 866
 867 bool qemu_spice_have_display_interface(QemuConsole *con)
 868 {
 869     if (g_slist_find(spice_consoles, con)) {
 870         return true;
 871     }
 872     return false;
 873 }
 874
 875 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
 876 {
 877     if (g_slist_find(spice_consoles, con)) {
 878         return -1;
 879     }
 880     qxlin->id = qemu_console_get_index(con);
 881     spice_consoles = g_slist_append(spice_consoles, con);
 882     return qemu_spice_add_interface(&qxlin->base);
 883 }
 884
 885 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 886 {
 887     time_t lifetime, now = time(NULL);
 888     char *passwd;
 889
 890     if (now < auth_expires) {
 891         passwd = auth_passwd;
 892         lifetime = (auth_expires - now);
 893         if (lifetime > INT_MAX) {
 894             lifetime = INT_MAX;
 895         }
 896     } else {
 897         passwd = NULL;
 898         lifetime = 1;
 899     }
 900     return spice_server_set_ticket(spice_server, passwd, lifetime,
 901                                    fail_if_conn, disconnect_if_conn);
 902 }
 903
 904 int qemu_spice_set_passwd(const char *passwd,
 905                           bool fail_if_conn, bool disconnect_if_conn)
 906 {
 907     if (strcmp(auth, "spice") != 0) {
 908         return -1;
 909     }
 910
 911     g_free(auth_passwd);
 912     auth_passwd = g_strdup(passwd);
 913     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 914 }
 915
 916 int qemu_spice_set_pw_expire(time_t expires)
 917 {
 918     auth_expires = expires;
 919     return qemu_spice_set_ticket(false, false);
 920 }
 921
 922 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
 923 {
 924     if (tls) {
 925         return spice_server_add_ssl_client(spice_server, csock, skipauth);
 926     } else {
 927         return spice_server_add_client(spice_server, csock, skipauth);
 928     }
 929 }
 930
 931 void qemu_spice_display_start(void)
 932 {
 933     spice_display_is_running = true;
 934     spice_server_vm_start(spice_server);
 935 }
 936
 937 void qemu_spice_display_stop(void)
 938 {
 939     spice_server_vm_stop(spice_server);
 940     spice_display_is_running = false;
 941 }
 942
 943 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
 944 {
 945     return spice_display_is_running;
 946 }
 947
 948 static void spice_register_config(void)
 949 {
 950     qemu_add_opts(&qemu_spice_opts);
 951 }
 952 opts_init(spice_register_config);