ui/spice-core.c

   1 /*
   2  * Copyright (C) 2010 Red Hat, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 or
   7  * (at your option) version 3 of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <spice.h>
  19 #include <spice-experimental.h>
  20
  21 #include <netdb.h>
  22
  23 #include "qemu-common.h"
  24 #include "qemu-spice.h"
  25 #include "qemu-timer.h"
  26 #include "qemu-queue.h"
  27 #include "qemu-x509.h"
  28 #include "qemu_socket.h"
  29 #include "qint.h"
  30 #include "qbool.h"
  31 #include "qstring.h"
  32 #include "qjson.h"
  33 #include "notify.h"
  34 #include "migration.h"
  35 #include "monitor.h"
  36 #include "hw/hw.h"
  37
  38 /* core bits */
  39
  40 static SpiceServer *spice_server;
  41 static Notifier migration_state;
  42 static const char *auth = "spice";
  43 static char *auth_passwd;
  44 static time_t auth_expires = TIME_MAX;
  45 int using_spice = 0;
  46
  47 struct SpiceTimer {
  48     QEMUTimer *timer;
  49     QTAILQ_ENTRY(SpiceTimer) next;
  50 };
  51 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
  52
  53 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
  54 {
  55     SpiceTimer *timer;
  56
  57     timer = qemu_mallocz(sizeof(*timer));
  58     timer->timer = qemu_new_timer_ms(rt_clock, func, opaque);
  59     QTAILQ_INSERT_TAIL(&timers, timer, next);
  60     return timer;
  61 }
  62
  63 static void timer_start(SpiceTimer *timer, uint32_t ms)
  64 {
  65     qemu_mod_timer(timer->timer, qemu_get_clock_ms(rt_clock) + ms);
  66 }
  67
  68 static void timer_cancel(SpiceTimer *timer)
  69 {
  70     qemu_del_timer(timer->timer);
  71 }
  72
  73 static void timer_remove(SpiceTimer *timer)
  74 {
  75     qemu_del_timer(timer->timer);
  76     qemu_free_timer(timer->timer);
  77     QTAILQ_REMOVE(&timers, timer, next);
  78     qemu_free(timer);
  79 }
  80
  81 struct SpiceWatch {
  82     int fd;
  83     int event_mask;
  84     SpiceWatchFunc func;
  85     void *opaque;
  86     QTAILQ_ENTRY(SpiceWatch) next;
  87 };
  88 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
  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     watch->event_mask = event_mask;
 108     if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
 109         on_read = watch_read;
 110     }
 111     if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
 112         on_write = watch_write;
 113     }
 114     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
 115 }
 116
 117 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 118 {
 119     SpiceWatch *watch;
 120
 121     watch = qemu_mallocz(sizeof(*watch));
 122     watch->fd     = fd;
 123     watch->func   = func;
 124     watch->opaque = opaque;
 125     QTAILQ_INSERT_TAIL(&watches, watch, next);
 126
 127     watch_update_mask(watch, event_mask);
 128     return watch;
 129 }
 130
 131 static void watch_remove(SpiceWatch *watch)
 132 {
 133     watch_update_mask(watch, 0);
 134     QTAILQ_REMOVE(&watches, watch, next);
 135     qemu_free(watch);
 136 }
 137
 138 #if SPICE_INTERFACE_CORE_MINOR >= 3
 139
 140 typedef struct ChannelList ChannelList;
 141 struct ChannelList {
 142     SpiceChannelEventInfo *info;
 143     QTAILQ_ENTRY(ChannelList) link;
 144 };
 145 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
 146
 147 static void channel_list_add(SpiceChannelEventInfo *info)
 148 {
 149     ChannelList *item;
 150
 151     item = qemu_mallocz(sizeof(*item));
 152     item->info = info;
 153     QTAILQ_INSERT_TAIL(&channel_list, item, link);
 154 }
 155
 156 static void channel_list_del(SpiceChannelEventInfo *info)
 157 {
 158     ChannelList *item;
 159
 160     QTAILQ_FOREACH(item, &channel_list, link) {
 161         if (item->info != info) {
 162             continue;
 163         }
 164         QTAILQ_REMOVE(&channel_list, item, link);
 165         qemu_free(item);
 166         return;
 167     }
 168 }
 169
 170 static void add_addr_info(QDict *dict, struct sockaddr *addr, int len)
 171 {
 172     char host[NI_MAXHOST], port[NI_MAXSERV];
 173     const char *family;
 174
 175     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
 176                 NI_NUMERICHOST | NI_NUMERICSERV);
 177     family = inet_strfamily(addr->sa_family);
 178
 179     qdict_put(dict, "host", qstring_from_str(host));
 180     qdict_put(dict, "port", qstring_from_str(port));
 181     qdict_put(dict, "family", qstring_from_str(family));
 182 }
 183
 184 static void add_channel_info(QDict *dict, SpiceChannelEventInfo *info)
 185 {
 186     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 187
 188     qdict_put(dict, "connection-id", qint_from_int(info->connection_id));
 189     qdict_put(dict, "channel-type", qint_from_int(info->type));
 190     qdict_put(dict, "channel-id", qint_from_int(info->id));
 191     qdict_put(dict, "tls", qbool_from_int(tls));
 192 }
 193
 194 static QList *channel_list_get(void)
 195 {
 196     ChannelList *item;
 197     QList *list;
 198     QDict *dict;
 199
 200     list = qlist_new();
 201     QTAILQ_FOREACH(item, &channel_list, link) {
 202         dict = qdict_new();
 203         add_addr_info(dict, &item->info->paddr, item->info->plen);
 204         add_channel_info(dict, item->info);
 205         qlist_append(list, dict);
 206     }
 207     return list;
 208 }
 209
 210 static void channel_event(int event, SpiceChannelEventInfo *info)
 211 {
 212     static const int qevent[] = {
 213         [ SPICE_CHANNEL_EVENT_CONNECTED    ] = QEVENT_SPICE_CONNECTED,
 214         [ SPICE_CHANNEL_EVENT_INITIALIZED  ] = QEVENT_SPICE_INITIALIZED,
 215         [ SPICE_CHANNEL_EVENT_DISCONNECTED ] = QEVENT_SPICE_DISCONNECTED,
 216     };
 217     QDict *server, *client;
 218     QObject *data;
 219
 220     client = qdict_new();
 221     add_addr_info(client, &info->paddr, info->plen);
 222
 223     server = qdict_new();
 224     add_addr_info(server, &info->laddr, info->llen);
 225
 226     if (event == SPICE_CHANNEL_EVENT_INITIALIZED) {
 227         qdict_put(server, "auth", qstring_from_str(auth));
 228         add_channel_info(client, info);
 229         channel_list_add(info);
 230     }
 231     if (event == SPICE_CHANNEL_EVENT_DISCONNECTED) {
 232         channel_list_del(info);
 233     }
 234
 235     data = qobject_from_jsonf("{ 'client': %p, 'server': %p }",
 236                               QOBJECT(client), QOBJECT(server));
 237     monitor_protocol_event(qevent[event], data);
 238     qobject_decref(data);
 239 }
 240
 241 #else /* SPICE_INTERFACE_CORE_MINOR >= 3 */
 242
 243 static QList *channel_list_get(void)
 244 {
 245     return NULL;
 246 }
 247
 248 #endif /* SPICE_INTERFACE_CORE_MINOR >= 3 */
 249
 250 static SpiceCoreInterface core_interface = {
 251     .base.type          = SPICE_INTERFACE_CORE,
 252     .base.description   = "qemu core services",
 253     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
 254     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
 255
 256     .timer_add          = timer_add,
 257     .timer_start        = timer_start,
 258     .timer_cancel       = timer_cancel,
 259     .timer_remove       = timer_remove,
 260
 261     .watch_add          = watch_add,
 262     .watch_update_mask  = watch_update_mask,
 263     .watch_remove       = watch_remove,
 264
 265 #if SPICE_INTERFACE_CORE_MINOR >= 3
 266     .channel_event      = channel_event,
 267 #endif
 268 };
 269
 270 /* config string parsing */
 271
 272 static int name2enum(const char *string, const char *table[], int entries)
 273 {
 274     int i;
 275
 276     if (string) {
 277         for (i = 0; i < entries; i++) {
 278             if (!table[i]) {
 279                 continue;
 280             }
 281             if (strcmp(string, table[i]) != 0) {
 282                 continue;
 283             }
 284             return i;
 285         }
 286     }
 287     return -1;
 288 }
 289
 290 static int parse_name(const char *string, const char *optname,
 291                       const char *table[], int entries)
 292 {
 293     int value = name2enum(string, table, entries);
 294
 295     if (value != -1) {
 296         return value;
 297     }
 298     fprintf(stderr, "spice: invalid %s: %s\n", optname, string);
 299     exit(1);
 300 }
 301
 302 static const char *stream_video_names[] = {
 303     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
 304     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
 305     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
 306 };
 307 #define parse_stream_video(_name) \
 308     name2enum(_name, stream_video_names, ARRAY_SIZE(stream_video_names))
 309
 310 static const char *compression_names[] = {
 311     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
 312     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
 313     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
 314     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
 315     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
 316     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
 317 };
 318 #define parse_compression(_name)                                        \
 319     parse_name(_name, "image compression",                              \
 320                compression_names, ARRAY_SIZE(compression_names))
 321
 322 static const char *wan_compression_names[] = {
 323     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
 324     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
 325     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
 326 };
 327 #define parse_wan_compression(_name)                                    \
 328     parse_name(_name, "wan compression",                                \
 329                wan_compression_names, ARRAY_SIZE(wan_compression_names))
 330
 331 /* functions for the rest of qemu */
 332
 333 static void info_spice_iter(QObject *obj, void *opaque)
 334 {
 335     QDict *client;
 336     Monitor *mon = opaque;
 337
 338     client = qobject_to_qdict(obj);
 339     monitor_printf(mon, "Channel:\n");
 340     monitor_printf(mon, "     address: %s:%s%s\n",
 341                    qdict_get_str(client, "host"),
 342                    qdict_get_str(client, "port"),
 343                    qdict_get_bool(client, "tls") ? " [tls]" : "");
 344     monitor_printf(mon, "     session: %" PRId64 "\n",
 345                    qdict_get_int(client, "connection-id"));
 346     monitor_printf(mon, "     channel: %d:%d\n",
 347                    (int)qdict_get_int(client, "channel-type"),
 348                    (int)qdict_get_int(client, "channel-id"));
 349 }
 350
 351 void do_info_spice_print(Monitor *mon, const QObject *data)
 352 {
 353     QDict *server;
 354     QList *channels;
 355     const char *host;
 356     int port;
 357
 358     server = qobject_to_qdict(data);
 359     if (qdict_get_bool(server, "enabled") == 0) {
 360         monitor_printf(mon, "Server: disabled\n");
 361         return;
 362     }
 363
 364     monitor_printf(mon, "Server:\n");
 365     host = qdict_get_str(server, "host");
 366     port = qdict_get_try_int(server, "port", -1);
 367     if (port != -1) {
 368         monitor_printf(mon, "     address: %s:%d\n", host, port);
 369     }
 370     port = qdict_get_try_int(server, "tls-port", -1);
 371     if (port != -1) {
 372         monitor_printf(mon, "     address: %s:%d [tls]\n", host, port);
 373     }
 374     monitor_printf(mon, "        auth: %s\n", qdict_get_str(server, "auth"));
 375
 376     channels = qdict_get_qlist(server, "channels");
 377     if (qlist_empty(channels)) {
 378         monitor_printf(mon, "Channels: none\n");
 379     } else {
 380         qlist_iter(channels, info_spice_iter, mon);
 381     }
 382 }
 383
 384 void do_info_spice(Monitor *mon, QObject **ret_data)
 385 {
 386     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 387     QDict *server;
 388     QList *clist;
 389     const char *addr;
 390     int port, tls_port;
 391
 392     if (!spice_server) {
 393         *ret_data = qobject_from_jsonf("{ 'enabled': false }");
 394         return;
 395     }
 396
 397     addr = qemu_opt_get(opts, "addr");
 398     port = qemu_opt_get_number(opts, "port", 0);
 399     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 400     clist = channel_list_get();
 401
 402     server = qdict_new();
 403     qdict_put(server, "enabled", qbool_from_int(true));
 404     qdict_put(server, "auth", qstring_from_str(auth));
 405     qdict_put(server, "host", qstring_from_str(addr ? addr : "0.0.0.0"));
 406     if (port) {
 407         qdict_put(server, "port", qint_from_int(port));
 408     }
 409     if (tls_port) {
 410         qdict_put(server, "tls-port", qint_from_int(tls_port));
 411     }
 412     if (clist) {
 413         qdict_put(server, "channels", clist);
 414     }
 415
 416     *ret_data = QOBJECT(server);
 417 }
 418
 419 static void migration_state_notifier(Notifier *notifier)
 420 {
 421     int state = get_migration_state();
 422
 423     if (state == MIG_STATE_COMPLETED) {
 424 #if SPICE_SERVER_VERSION >= 0x000701 /* 0.7.1 */
 425         spice_server_migrate_switch(spice_server);
 426 #endif
 427     }
 428 }
 429
 430 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 431                             const char *subject)
 432 {
 433     return spice_server_migrate_info(spice_server, hostname,
 434                                      port, tls_port, subject);
 435 }
 436
 437 static int add_channel(const char *name, const char *value, void *opaque)
 438 {
 439     int security = 0;
 440     int rc;
 441
 442     if (strcmp(name, "tls-channel") == 0) {
 443         security = SPICE_CHANNEL_SECURITY_SSL;
 444     }
 445     if (strcmp(name, "plaintext-channel") == 0) {
 446         security = SPICE_CHANNEL_SECURITY_NONE;
 447     }
 448     if (security == 0) {
 449         return 0;
 450     }
 451     if (strcmp(value, "default") == 0) {
 452         rc = spice_server_set_channel_security(spice_server, NULL, security);
 453     } else {
 454         rc = spice_server_set_channel_security(spice_server, value, security);
 455     }
 456     if (rc != 0) {
 457         fprintf(stderr, "spice: failed to set channel security for %s\n", value);
 458         exit(1);
 459     }
 460     return 0;
 461 }
 462
 463 void qemu_spice_init(void)
 464 {
 465     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 466     const char *password, *str, *x509_dir, *addr,
 467         *x509_key_password = NULL,
 468         *x509_dh_file = NULL,
 469         *tls_ciphers = NULL;
 470     char *x509_key_file = NULL,
 471         *x509_cert_file = NULL,
 472         *x509_cacert_file = NULL;
 473     int port, tls_port, len, addr_flags;
 474     spice_image_compression_t compression;
 475     spice_wan_compression_t wan_compr;
 476
 477     if (!opts) {
 478         return;
 479     }
 480     port = qemu_opt_get_number(opts, "port", 0);
 481     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 482     if (!port && !tls_port) {
 483         fprintf(stderr, "neither port nor tls-port specified for spice.");
 484         exit(1);
 485     }
 486     if (port < 0 || port > 65535) {
 487         fprintf(stderr, "spice port is out of range");
 488         exit(1);
 489     }
 490     if (tls_port < 0 || tls_port > 65535) {
 491         fprintf(stderr, "spice tls-port is out of range");
 492         exit(1);
 493     }
 494     password = qemu_opt_get(opts, "password");
 495
 496     if (tls_port) {
 497         x509_dir = qemu_opt_get(opts, "x509-dir");
 498         if (NULL == x509_dir) {
 499             x509_dir = ".";
 500         }
 501         len = strlen(x509_dir) + 32;
 502
 503         str = qemu_opt_get(opts, "x509-key-file");
 504         if (str) {
 505             x509_key_file = qemu_strdup(str);
 506         } else {
 507             x509_key_file = qemu_malloc(len);
 508             snprintf(x509_key_file, len, "%s/%s", x509_dir, X509_SERVER_KEY_FILE);
 509         }
 510
 511         str = qemu_opt_get(opts, "x509-cert-file");
 512         if (str) {
 513             x509_cert_file = qemu_strdup(str);
 514         } else {
 515             x509_cert_file = qemu_malloc(len);
 516             snprintf(x509_cert_file, len, "%s/%s", x509_dir, X509_SERVER_CERT_FILE);
 517         }
 518
 519         str = qemu_opt_get(opts, "x509-cacert-file");
 520         if (str) {
 521             x509_cacert_file = qemu_strdup(str);
 522         } else {
 523             x509_cacert_file = qemu_malloc(len);
 524             snprintf(x509_cacert_file, len, "%s/%s", x509_dir, X509_CA_CERT_FILE);
 525         }
 526
 527         x509_key_password = qemu_opt_get(opts, "x509-key-password");
 528         x509_dh_file = qemu_opt_get(opts, "x509-dh-file");
 529         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
 530     }
 531
 532     addr = qemu_opt_get(opts, "addr");
 533     addr_flags = 0;
 534     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
 535         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
 536     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
 537         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
 538     }
 539
 540     spice_server = spice_server_new();
 541     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
 542     if (port) {
 543         spice_server_set_port(spice_server, port);
 544     }
 545     if (tls_port) {
 546         spice_server_set_tls(spice_server, tls_port,
 547                              x509_cacert_file,
 548                              x509_cert_file,
 549                              x509_key_file,
 550                              x509_key_password,
 551                              x509_dh_file,
 552                              tls_ciphers);
 553     }
 554     if (password) {
 555         spice_server_set_ticket(spice_server, password, 0, 0, 0);
 556     }
 557     if (qemu_opt_get_bool(opts, "sasl", 0)) {
 558 #if SPICE_SERVER_VERSION >= 0x000900 /* 0.9.0 */
 559         if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 ||
 560             spice_server_set_sasl(spice_server, 1) == -1) {
 561             fprintf(stderr, "spice: failed to enable sasl\n");
 562             exit(1);
 563         }
 564 #else
 565         fprintf(stderr, "spice: sasl is not available (spice >= 0.9 required)\n");
 566         exit(1);
 567 #endif
 568     }
 569     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 570         auth = "none";
 571         spice_server_set_noauth(spice_server);
 572     }
 573
 574 #if SPICE_SERVER_VERSION >= 0x000801
 575     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 576         spice_server_set_agent_copypaste(spice_server, false);
 577     }
 578 #endif
 579
 580     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 581     str = qemu_opt_get(opts, "image-compression");
 582     if (str) {
 583         compression = parse_compression(str);
 584     }
 585     spice_server_set_image_compression(spice_server, compression);
 586
 587     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 588     str = qemu_opt_get(opts, "jpeg-wan-compression");
 589     if (str) {
 590         wan_compr = parse_wan_compression(str);
 591     }
 592     spice_server_set_jpeg_compression(spice_server, wan_compr);
 593
 594     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 595     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 596     if (str) {
 597         wan_compr = parse_wan_compression(str);
 598     }
 599     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 600
 601     str = qemu_opt_get(opts, "streaming-video");
 602     if (str) {
 603         int streaming_video = parse_stream_video(str);
 604         spice_server_set_streaming_video(spice_server, streaming_video);
 605     }
 606
 607     spice_server_set_agent_mouse
 608         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 609     spice_server_set_playback_compression
 610         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 611
 612     qemu_opt_foreach(opts, add_channel, NULL, 0);
 613
 614     if (0 != spice_server_init(spice_server, &core_interface)) {
 615         fprintf(stderr, "failed to initialize spice server");
 616         exit(1);
 617     };
 618     using_spice = 1;
 619
 620     migration_state.notify = migration_state_notifier;
 621     add_migration_state_change_notifier(&migration_state);
 622
 623     qemu_spice_input_init();
 624     qemu_spice_audio_init();
 625
 626     qemu_free(x509_key_file);
 627     qemu_free(x509_cert_file);
 628     qemu_free(x509_cacert_file);
 629 }
 630
 631 int qemu_spice_add_interface(SpiceBaseInstance *sin)
 632 {
 633     if (!spice_server) {
 634         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 635             fprintf(stderr, "Oops: spice configured but not active\n");
 636             exit(1);
 637         }
 638         /*
 639          * Create a spice server instance.
 640          * It does *not* listen on the network.
 641          * It handles QXL local rendering only.
 642          *
 643          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 644          */
 645         spice_server = spice_server_new();
 646         spice_server_init(spice_server, &core_interface);
 647     }
 648     return spice_server_add_interface(spice_server, sin);
 649 }
 650
 651 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 652 {
 653     time_t lifetime, now = time(NULL);
 654     char *passwd;
 655
 656     if (now < auth_expires) {
 657         passwd = auth_passwd;
 658         lifetime = (auth_expires - now);
 659         if (lifetime > INT_MAX) {
 660             lifetime = INT_MAX;
 661         }
 662     } else {
 663         passwd = NULL;
 664         lifetime = 1;
 665     }
 666     return spice_server_set_ticket(spice_server, passwd, lifetime,
 667                                    fail_if_conn, disconnect_if_conn);
 668 }
 669
 670 int qemu_spice_set_passwd(const char *passwd,
 671                           bool fail_if_conn, bool disconnect_if_conn)
 672 {
 673     free(auth_passwd);
 674     auth_passwd = strdup(passwd);
 675     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 676 }
 677
 678 int qemu_spice_set_pw_expire(time_t expires)
 679 {
 680     auth_expires = expires;
 681     return qemu_spice_set_ticket(false, false);
 682 }
 683
 684 static void spice_register_config(void)
 685 {
 686     qemu_add_opts(&qemu_spice_opts);
 687 }
 688 machine_init(spice_register_config);
 689
 690 static void spice_initialize(void)
 691 {
 692     qemu_spice_init();
 693 }
 694 device_init(spice_initialize);