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 int using_spice = 0;
  51
  52 static QemuThread me;
  53
  54 struct SpiceTimer {
  55     QEMUTimer *timer;
  56     QTAILQ_ENTRY(SpiceTimer) next;
  57 };
  58 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
  59
  60 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
  61 {
  62     SpiceTimer *timer;
  63
  64     timer = g_malloc0(sizeof(*timer));
  65     timer->timer = qemu_new_timer_ms(rt_clock, func, opaque);
  66     QTAILQ_INSERT_TAIL(&timers, timer, next);
  67     return timer;
  68 }
  69
  70 static void timer_start(SpiceTimer *timer, uint32_t ms)
  71 {
  72     qemu_mod_timer(timer->timer, qemu_get_clock_ms(rt_clock) + ms);
  73 }
  74
  75 static void timer_cancel(SpiceTimer *timer)
  76 {
  77     qemu_del_timer(timer->timer);
  78 }
  79
  80 static void timer_remove(SpiceTimer *timer)
  81 {
  82     qemu_del_timer(timer->timer);
  83     qemu_free_timer(timer->timer);
  84     QTAILQ_REMOVE(&timers, timer, next);
  85     g_free(timer);
  86 }
  87
  88 struct SpiceWatch {
  89     int fd;
  90     int event_mask;
  91     SpiceWatchFunc func;
  92     void *opaque;
  93     QTAILQ_ENTRY(SpiceWatch) next;
  94 };
  95 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
  96
  97 static void watch_read(void *opaque)
  98 {
  99     SpiceWatch *watch = opaque;
 100     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
 101 }
 102
 103 static void watch_write(void *opaque)
 104 {
 105     SpiceWatch *watch = opaque;
 106     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
 107 }
 108
 109 static void watch_update_mask(SpiceWatch *watch, int event_mask)
 110 {
 111     IOHandler *on_read = NULL;
 112     IOHandler *on_write = NULL;
 113
 114     watch->event_mask = event_mask;
 115     if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
 116         on_read = watch_read;
 117     }
 118     if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
 119         on_write = watch_write;
 120     }
 121     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
 122 }
 123
 124 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 125 {
 126     SpiceWatch *watch;
 127
 128     watch = g_malloc0(sizeof(*watch));
 129     watch->fd     = fd;
 130     watch->func   = func;
 131     watch->opaque = opaque;
 132     QTAILQ_INSERT_TAIL(&watches, watch, next);
 133
 134     watch_update_mask(watch, event_mask);
 135     return watch;
 136 }
 137
 138 static void watch_remove(SpiceWatch *watch)
 139 {
 140     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
 141     QTAILQ_REMOVE(&watches, watch, next);
 142     g_free(watch);
 143 }
 144
 145 typedef struct ChannelList ChannelList;
 146 struct ChannelList {
 147     SpiceChannelEventInfo *info;
 148     QTAILQ_ENTRY(ChannelList) link;
 149 };
 150 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
 151
 152 static void channel_list_add(SpiceChannelEventInfo *info)
 153 {
 154     ChannelList *item;
 155
 156     item = g_malloc0(sizeof(*item));
 157     item->info = info;
 158     QTAILQ_INSERT_TAIL(&channel_list, item, link);
 159 }
 160
 161 static void channel_list_del(SpiceChannelEventInfo *info)
 162 {
 163     ChannelList *item;
 164
 165     QTAILQ_FOREACH(item, &channel_list, link) {
 166         if (item->info != info) {
 167             continue;
 168         }
 169         QTAILQ_REMOVE(&channel_list, item, link);
 170         g_free(item);
 171         return;
 172     }
 173 }
 174
 175 static void add_addr_info(QDict *dict, struct sockaddr *addr, int len)
 176 {
 177     char host[NI_MAXHOST], port[NI_MAXSERV];
 178     const char *family;
 179
 180     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
 181                 NI_NUMERICHOST | NI_NUMERICSERV);
 182     family = inet_strfamily(addr->sa_family);
 183
 184     qdict_put(dict, "host", qstring_from_str(host));
 185     qdict_put(dict, "port", qstring_from_str(port));
 186     qdict_put(dict, "family", qstring_from_str(family));
 187 }
 188
 189 static void add_channel_info(QDict *dict, SpiceChannelEventInfo *info)
 190 {
 191     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 192
 193     qdict_put(dict, "connection-id", qint_from_int(info->connection_id));
 194     qdict_put(dict, "channel-type", qint_from_int(info->type));
 195     qdict_put(dict, "channel-id", qint_from_int(info->id));
 196     qdict_put(dict, "tls", qbool_from_int(tls));
 197 }
 198
 199 static void channel_event(int event, SpiceChannelEventInfo *info)
 200 {
 201     static const int qevent[] = {
 202         [ SPICE_CHANNEL_EVENT_CONNECTED    ] = QEVENT_SPICE_CONNECTED,
 203         [ SPICE_CHANNEL_EVENT_INITIALIZED  ] = QEVENT_SPICE_INITIALIZED,
 204         [ SPICE_CHANNEL_EVENT_DISCONNECTED ] = QEVENT_SPICE_DISCONNECTED,
 205     };
 206     QDict *server, *client;
 207     QObject *data;
 208
 209     /*
 210      * Spice server might have called us from spice worker thread
 211      * context (happens on display channel disconnects).  Spice should
 212      * not do that.  It isn't that easy to fix it in spice and even
 213      * when it is fixed we still should cover the already released
 214      * spice versions.  So detect that we've been called from another
 215      * thread and grab the iothread lock if so before calling qemu
 216      * functions.
 217      */
 218     bool need_lock = !qemu_thread_is_self(&me);
 219     if (need_lock) {
 220         qemu_mutex_lock_iothread();
 221     }
 222
 223     client = qdict_new();
 224     server = qdict_new();
 225
 226     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 227         add_addr_info(client, (struct sockaddr *)&info->paddr_ext,
 228                       info->plen_ext);
 229         add_addr_info(server, (struct sockaddr *)&info->laddr_ext,
 230                       info->llen_ext);
 231     } else {
 232         error_report("spice: %s, extended address is expected",
 233                      __func__);
 234     }
 235
 236     if (event == SPICE_CHANNEL_EVENT_INITIALIZED) {
 237         qdict_put(server, "auth", qstring_from_str(auth));
 238         add_channel_info(client, info);
 239         channel_list_add(info);
 240     }
 241     if (event == SPICE_CHANNEL_EVENT_DISCONNECTED) {
 242         channel_list_del(info);
 243     }
 244
 245     data = qobject_from_jsonf("{ 'client': %p, 'server': %p }",
 246                               QOBJECT(client), QOBJECT(server));
 247     monitor_protocol_event(qevent[event], data);
 248     qobject_decref(data);
 249
 250     if (need_lock) {
 251         qemu_mutex_unlock_iothread();
 252     }
 253 }
 254
 255 static SpiceCoreInterface core_interface = {
 256     .base.type          = SPICE_INTERFACE_CORE,
 257     .base.description   = "qemu core services",
 258     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
 259     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
 260
 261     .timer_add          = timer_add,
 262     .timer_start        = timer_start,
 263     .timer_cancel       = timer_cancel,
 264     .timer_remove       = timer_remove,
 265
 266     .watch_add          = watch_add,
 267     .watch_update_mask  = watch_update_mask,
 268     .watch_remove       = watch_remove,
 269
 270     .channel_event      = channel_event,
 271 };
 272
 273 typedef struct SpiceMigration {
 274     SpiceMigrateInstance sin;
 275     struct {
 276         MonitorCompletion *cb;
 277         void *opaque;
 278     } connect_complete;
 279 } SpiceMigration;
 280
 281 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
 282 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
 283
 284 static const SpiceMigrateInterface migrate_interface = {
 285     .base.type = SPICE_INTERFACE_MIGRATION,
 286     .base.description = "migration",
 287     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
 288     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
 289     .migrate_connect_complete = migrate_connect_complete_cb,
 290     .migrate_end_complete = migrate_end_complete_cb,
 291 };
 292
 293 static SpiceMigration spice_migrate;
 294
 295 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
 296 {
 297     SpiceMigration *sm = container_of(sin, SpiceMigration, sin);
 298     if (sm->connect_complete.cb) {
 299         sm->connect_complete.cb(sm->connect_complete.opaque, NULL);
 300     }
 301     sm->connect_complete.cb = NULL;
 302 }
 303
 304 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
 305 {
 306     monitor_protocol_event(QEVENT_SPICE_MIGRATE_COMPLETED, NULL);
 307     spice_migration_completed = true;
 308 }
 309
 310 /* config string parsing */
 311
 312 static int name2enum(const char *string, const char *table[], int entries)
 313 {
 314     int i;
 315
 316     if (string) {
 317         for (i = 0; i < entries; i++) {
 318             if (!table[i]) {
 319                 continue;
 320             }
 321             if (strcmp(string, table[i]) != 0) {
 322                 continue;
 323             }
 324             return i;
 325         }
 326     }
 327     return -1;
 328 }
 329
 330 static int parse_name(const char *string, const char *optname,
 331                       const char *table[], int entries)
 332 {
 333     int value = name2enum(string, table, entries);
 334
 335     if (value != -1) {
 336         return value;
 337     }
 338     error_report("spice: invalid %s: %s", optname, string);
 339     exit(1);
 340 }
 341
 342 static const char *stream_video_names[] = {
 343     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
 344     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
 345     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
 346 };
 347 #define parse_stream_video(_name) \
 348     parse_name(_name, "stream video control", \
 349                stream_video_names, ARRAY_SIZE(stream_video_names))
 350
 351 static const char *compression_names[] = {
 352     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
 353     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
 354     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
 355     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
 356     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
 357     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
 358 };
 359 #define parse_compression(_name)                                        \
 360     parse_name(_name, "image compression",                              \
 361                compression_names, ARRAY_SIZE(compression_names))
 362
 363 static const char *wan_compression_names[] = {
 364     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
 365     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
 366     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
 367 };
 368 #define parse_wan_compression(_name)                                    \
 369     parse_name(_name, "wan compression",                                \
 370                wan_compression_names, ARRAY_SIZE(wan_compression_names))
 371
 372 /* functions for the rest of qemu */
 373
 374 static SpiceChannelList *qmp_query_spice_channels(void)
 375 {
 376     SpiceChannelList *cur_item = NULL, *head = NULL;
 377     ChannelList *item;
 378
 379     QTAILQ_FOREACH(item, &channel_list, link) {
 380         SpiceChannelList *chan;
 381         char host[NI_MAXHOST], port[NI_MAXSERV];
 382         struct sockaddr *paddr;
 383         socklen_t plen;
 384
 385         chan = g_malloc0(sizeof(*chan));
 386         chan->value = g_malloc0(sizeof(*chan->value));
 387
 388         if (item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 389             paddr = (struct sockaddr *)&item->info->paddr_ext;
 390             plen = item->info->plen_ext;
 391         } else {
 392             paddr = &item->info->paddr;
 393             plen = item->info->plen;
 394         }
 395
 396         getnameinfo(paddr, plen,
 397                     host, sizeof(host), port, sizeof(port),
 398                     NI_NUMERICHOST | NI_NUMERICSERV);
 399         chan->value->host = g_strdup(host);
 400         chan->value->port = g_strdup(port);
 401         chan->value->family = g_strdup(inet_strfamily(paddr->sa_family));
 402
 403         chan->value->connection_id = item->info->connection_id;
 404         chan->value->channel_type = item->info->type;
 405         chan->value->channel_id = item->info->id;
 406         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 407
 408        /* XXX: waiting for the qapi to support GSList */
 409         if (!cur_item) {
 410             head = cur_item = chan;
 411         } else {
 412             cur_item->next = chan;
 413             cur_item = chan;
 414         }
 415     }
 416
 417     return head;
 418 }
 419
 420 static QemuOptsList qemu_spice_opts = {
 421     .name = "spice",
 422     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
 423     .desc = {
 424         {
 425             .name = "port",
 426             .type = QEMU_OPT_NUMBER,
 427         },{
 428             .name = "tls-port",
 429             .type = QEMU_OPT_NUMBER,
 430         },{
 431             .name = "addr",
 432             .type = QEMU_OPT_STRING,
 433         },{
 434             .name = "ipv4",
 435             .type = QEMU_OPT_BOOL,
 436         },{
 437             .name = "ipv6",
 438             .type = QEMU_OPT_BOOL,
 439         },{
 440             .name = "password",
 441             .type = QEMU_OPT_STRING,
 442         },{
 443             .name = "disable-ticketing",
 444             .type = QEMU_OPT_BOOL,
 445         },{
 446             .name = "disable-copy-paste",
 447             .type = QEMU_OPT_BOOL,
 448         },{
 449             .name = "sasl",
 450             .type = QEMU_OPT_BOOL,
 451         },{
 452             .name = "x509-dir",
 453             .type = QEMU_OPT_STRING,
 454         },{
 455             .name = "x509-key-file",
 456             .type = QEMU_OPT_STRING,
 457         },{
 458             .name = "x509-key-password",
 459             .type = QEMU_OPT_STRING,
 460         },{
 461             .name = "x509-cert-file",
 462             .type = QEMU_OPT_STRING,
 463         },{
 464             .name = "x509-cacert-file",
 465             .type = QEMU_OPT_STRING,
 466         },{
 467             .name = "x509-dh-key-file",
 468             .type = QEMU_OPT_STRING,
 469         },{
 470             .name = "tls-ciphers",
 471             .type = QEMU_OPT_STRING,
 472         },{
 473             .name = "tls-channel",
 474             .type = QEMU_OPT_STRING,
 475         },{
 476             .name = "plaintext-channel",
 477             .type = QEMU_OPT_STRING,
 478         },{
 479             .name = "image-compression",
 480             .type = QEMU_OPT_STRING,
 481         },{
 482             .name = "jpeg-wan-compression",
 483             .type = QEMU_OPT_STRING,
 484         },{
 485             .name = "zlib-glz-wan-compression",
 486             .type = QEMU_OPT_STRING,
 487         },{
 488             .name = "streaming-video",
 489             .type = QEMU_OPT_STRING,
 490         },{
 491             .name = "agent-mouse",
 492             .type = QEMU_OPT_BOOL,
 493         },{
 494             .name = "playback-compression",
 495             .type = QEMU_OPT_BOOL,
 496         }, {
 497             .name = "seamless-migration",
 498             .type = QEMU_OPT_BOOL,
 499         },
 500         { /* end of list */ }
 501     },
 502 };
 503
 504 SpiceInfo *qmp_query_spice(Error **errp)
 505 {
 506     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 507     int port, tls_port;
 508     const char *addr;
 509     SpiceInfo *info;
 510     char version_string[20]; /* 12 = |255.255.255\0| is the max */
 511
 512     info = g_malloc0(sizeof(*info));
 513
 514     if (!spice_server || !opts) {
 515         info->enabled = false;
 516         return info;
 517     }
 518
 519     info->enabled = true;
 520     info->migrated = spice_migration_completed;
 521
 522     addr = qemu_opt_get(opts, "addr");
 523     port = qemu_opt_get_number(opts, "port", 0);
 524     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 525
 526     info->has_auth = true;
 527     info->auth = g_strdup(auth);
 528
 529     info->has_host = true;
 530     info->host = g_strdup(addr ? addr : "0.0.0.0");
 531
 532     info->has_compiled_version = true;
 533     snprintf(version_string, sizeof(version_string), "%d.%d.%d",
 534              (SPICE_SERVER_VERSION & 0xff0000) >> 16,
 535              (SPICE_SERVER_VERSION & 0xff00) >> 8,
 536              SPICE_SERVER_VERSION & 0xff);
 537     info->compiled_version = g_strdup(version_string);
 538
 539     if (port) {
 540         info->has_port = true;
 541         info->port = port;
 542     }
 543     if (tls_port) {
 544         info->has_tls_port = true;
 545         info->tls_port = tls_port;
 546     }
 547
 548     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
 549                        SPICE_QUERY_MOUSE_MODE_SERVER :
 550                        SPICE_QUERY_MOUSE_MODE_CLIENT;
 551
 552     /* for compatibility with the original command */
 553     info->has_channels = true;
 554     info->channels = qmp_query_spice_channels();
 555
 556     return info;
 557 }
 558
 559 static void migration_state_notifier(Notifier *notifier, void *data)
 560 {
 561     MigrationState *s = data;
 562
 563     if (migration_is_active(s)) {
 564         spice_server_migrate_start(spice_server);
 565     } else if (migration_has_finished(s)) {
 566         spice_server_migrate_end(spice_server, true);
 567     } else if (migration_has_failed(s)) {
 568         spice_server_migrate_end(spice_server, false);
 569     }
 570 }
 571
 572 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 573                             const char *subject,
 574                             MonitorCompletion *cb, void *opaque)
 575 {
 576     int ret;
 577
 578     spice_migrate.connect_complete.cb = cb;
 579     spice_migrate.connect_complete.opaque = opaque;
 580     ret = spice_server_migrate_connect(spice_server, hostname,
 581                                        port, tls_port, subject);
 582     return ret;
 583 }
 584
 585 static int add_channel(const char *name, const char *value, void *opaque)
 586 {
 587     int security = 0;
 588     int rc;
 589
 590     if (strcmp(name, "tls-channel") == 0) {
 591         int *tls_port = opaque;
 592         if (!*tls_port) {
 593             error_report("spice: tried to setup tls-channel"
 594                          " without specifying a TLS port");
 595             exit(1);
 596         }
 597         security = SPICE_CHANNEL_SECURITY_SSL;
 598     }
 599     if (strcmp(name, "plaintext-channel") == 0) {
 600         security = SPICE_CHANNEL_SECURITY_NONE;
 601     }
 602     if (security == 0) {
 603         return 0;
 604     }
 605     if (strcmp(value, "default") == 0) {
 606         rc = spice_server_set_channel_security(spice_server, NULL, security);
 607     } else {
 608         rc = spice_server_set_channel_security(spice_server, value, security);
 609     }
 610     if (rc != 0) {
 611         error_report("spice: failed to set channel security for %s", value);
 612         exit(1);
 613     }
 614     return 0;
 615 }
 616
 617 static void vm_change_state_handler(void *opaque, int running,
 618                                     RunState state)
 619 {
 620     if (running) {
 621         qemu_spice_display_start();
 622         spice_server_vm_start(spice_server);
 623     } else {
 624         spice_server_vm_stop(spice_server);
 625         qemu_spice_display_stop();
 626     }
 627 }
 628
 629 void qemu_spice_init(void)
 630 {
 631     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 632     const char *password, *str, *x509_dir, *addr,
 633         *x509_key_password = NULL,
 634         *x509_dh_file = NULL,
 635         *tls_ciphers = NULL;
 636     char *x509_key_file = NULL,
 637         *x509_cert_file = NULL,
 638         *x509_cacert_file = NULL;
 639     int port, tls_port, len, addr_flags;
 640     spice_image_compression_t compression;
 641     spice_wan_compression_t wan_compr;
 642     bool seamless_migration;
 643
 644     qemu_thread_get_self(&me);
 645
 646     if (!opts) {
 647         return;
 648     }
 649     port = qemu_opt_get_number(opts, "port", 0);
 650     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 651     if (!port && !tls_port) {
 652         error_report("neither port nor tls-port specified for spice");
 653         exit(1);
 654     }
 655     if (port < 0 || port > 65535) {
 656         error_report("spice port is out of range");
 657         exit(1);
 658     }
 659     if (tls_port < 0 || tls_port > 65535) {
 660         error_report("spice tls-port is out of range");
 661         exit(1);
 662     }
 663     password = qemu_opt_get(opts, "password");
 664
 665     if (tls_port) {
 666         x509_dir = qemu_opt_get(opts, "x509-dir");
 667         if (NULL == x509_dir) {
 668             x509_dir = ".";
 669         }
 670         len = strlen(x509_dir) + 32;
 671
 672         str = qemu_opt_get(opts, "x509-key-file");
 673         if (str) {
 674             x509_key_file = g_strdup(str);
 675         } else {
 676             x509_key_file = g_malloc(len);
 677             snprintf(x509_key_file, len, "%s/%s", x509_dir, X509_SERVER_KEY_FILE);
 678         }
 679
 680         str = qemu_opt_get(opts, "x509-cert-file");
 681         if (str) {
 682             x509_cert_file = g_strdup(str);
 683         } else {
 684             x509_cert_file = g_malloc(len);
 685             snprintf(x509_cert_file, len, "%s/%s", x509_dir, X509_SERVER_CERT_FILE);
 686         }
 687
 688         str = qemu_opt_get(opts, "x509-cacert-file");
 689         if (str) {
 690             x509_cacert_file = g_strdup(str);
 691         } else {
 692             x509_cacert_file = g_malloc(len);
 693             snprintf(x509_cacert_file, len, "%s/%s", x509_dir, X509_CA_CERT_FILE);
 694         }
 695
 696         x509_key_password = qemu_opt_get(opts, "x509-key-password");
 697         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
 698         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
 699     }
 700
 701     addr = qemu_opt_get(opts, "addr");
 702     addr_flags = 0;
 703     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
 704         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
 705     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
 706         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
 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         spice_server_set_ticket(spice_server, password, 0, 0, 0);
 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     }
 733     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 734         auth = "none";
 735         spice_server_set_noauth(spice_server);
 736     }
 737
 738     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 739         spice_server_set_agent_copypaste(spice_server, false);
 740     }
 741
 742     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 743     str = qemu_opt_get(opts, "image-compression");
 744     if (str) {
 745         compression = parse_compression(str);
 746     }
 747     spice_server_set_image_compression(spice_server, compression);
 748
 749     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 750     str = qemu_opt_get(opts, "jpeg-wan-compression");
 751     if (str) {
 752         wan_compr = parse_wan_compression(str);
 753     }
 754     spice_server_set_jpeg_compression(spice_server, wan_compr);
 755
 756     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 757     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 758     if (str) {
 759         wan_compr = parse_wan_compression(str);
 760     }
 761     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 762
 763     str = qemu_opt_get(opts, "streaming-video");
 764     if (str) {
 765         int streaming_video = parse_stream_video(str);
 766         spice_server_set_streaming_video(spice_server, streaming_video);
 767     }
 768
 769     spice_server_set_agent_mouse
 770         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 771     spice_server_set_playback_compression
 772         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 773
 774     qemu_opt_foreach(opts, add_channel, &tls_port, 0);
 775
 776     spice_server_set_name(spice_server, qemu_name);
 777     spice_server_set_uuid(spice_server, qemu_uuid);
 778
 779     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
 780     spice_server_set_seamless_migration(spice_server, seamless_migration);
 781     if (0 != spice_server_init(spice_server, &core_interface)) {
 782         error_report("failed to initialize spice server");
 783         exit(1);
 784     };
 785     using_spice = 1;
 786
 787     migration_state.notify = migration_state_notifier;
 788     add_migration_state_change_notifier(&migration_state);
 789     spice_migrate.sin.base.sif = &migrate_interface.base;
 790     spice_migrate.connect_complete.cb = NULL;
 791     qemu_spice_add_interface(&spice_migrate.sin.base);
 792
 793     qemu_spice_input_init();
 794     qemu_spice_audio_init();
 795
 796     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 797
 798     g_free(x509_key_file);
 799     g_free(x509_cert_file);
 800     g_free(x509_cacert_file);
 801
 802 #if SPICE_SERVER_VERSION >= 0x000c02
 803     qemu_spice_register_ports();
 804 #endif
 805 }
 806
 807 int qemu_spice_add_interface(SpiceBaseInstance *sin)
 808 {
 809     if (!spice_server) {
 810         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 811             error_report("Oops: spice configured but not active");
 812             exit(1);
 813         }
 814         /*
 815          * Create a spice server instance.
 816          * It does *not* listen on the network.
 817          * It handles QXL local rendering only.
 818          *
 819          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 820          */
 821         spice_server = spice_server_new();
 822         spice_server_init(spice_server, &core_interface);
 823         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 824     }
 825
 826     return spice_server_add_interface(spice_server, sin);
 827 }
 828
 829 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 830 {
 831     time_t lifetime, now = time(NULL);
 832     char *passwd;
 833
 834     if (now < auth_expires) {
 835         passwd = auth_passwd;
 836         lifetime = (auth_expires - now);
 837         if (lifetime > INT_MAX) {
 838             lifetime = INT_MAX;
 839         }
 840     } else {
 841         passwd = NULL;
 842         lifetime = 1;
 843     }
 844     return spice_server_set_ticket(spice_server, passwd, lifetime,
 845                                    fail_if_conn, disconnect_if_conn);
 846 }
 847
 848 int qemu_spice_set_passwd(const char *passwd,
 849                           bool fail_if_conn, bool disconnect_if_conn)
 850 {
 851     g_free(auth_passwd);
 852     auth_passwd = g_strdup(passwd);
 853     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 854 }
 855
 856 int qemu_spice_set_pw_expire(time_t expires)
 857 {
 858     auth_expires = expires;
 859     return qemu_spice_set_ticket(false, false);
 860 }
 861
 862 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
 863 {
 864     if (tls) {
 865         return spice_server_add_ssl_client(spice_server, csock, skipauth);
 866     } else {
 867         return spice_server_add_client(spice_server, csock, skipauth);
 868     }
 869 }
 870
 871 static void spice_register_config(void)
 872 {
 873     qemu_add_opts(&qemu_spice_opts);
 874 }
 875 machine_init(spice_register_config);