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 int spice_displays;
  52
  53 static QemuThread me;
  54
  55 struct SpiceTimer {
  56     QEMUTimer *timer;
  57     QTAILQ_ENTRY(SpiceTimer) next;
  58 };
  59 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
  60
  61 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
  62 {
  63     SpiceTimer *timer;
  64
  65     timer = g_malloc0(sizeof(*timer));
  66     timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
  67     QTAILQ_INSERT_TAIL(&timers, timer, next);
  68     return timer;
  69 }
  70
  71 static void timer_start(SpiceTimer *timer, uint32_t ms)
  72 {
  73     timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
  74 }
  75
  76 static void timer_cancel(SpiceTimer *timer)
  77 {
  78     timer_del(timer->timer);
  79 }
  80
  81 static void timer_remove(SpiceTimer *timer)
  82 {
  83     timer_del(timer->timer);
  84     timer_free(timer->timer);
  85     QTAILQ_REMOVE(&timers, timer, next);
  86     g_free(timer);
  87 }
  88
  89 struct SpiceWatch {
  90     int fd;
  91     int event_mask;
  92     SpiceWatchFunc func;
  93     void *opaque;
  94     QTAILQ_ENTRY(SpiceWatch) next;
  95 };
  96 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
  97
  98 static void watch_read(void *opaque)
  99 {
 100     SpiceWatch *watch = opaque;
 101     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
 102 }
 103
 104 static void watch_write(void *opaque)
 105 {
 106     SpiceWatch *watch = opaque;
 107     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
 108 }
 109
 110 static void watch_update_mask(SpiceWatch *watch, int event_mask)
 111 {
 112     IOHandler *on_read = NULL;
 113     IOHandler *on_write = NULL;
 114
 115     watch->event_mask = event_mask;
 116     if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
 117         on_read = watch_read;
 118     }
 119     if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
 120         on_write = watch_write;
 121     }
 122     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
 123 }
 124
 125 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 126 {
 127     SpiceWatch *watch;
 128
 129     watch = g_malloc0(sizeof(*watch));
 130     watch->fd     = fd;
 131     watch->func   = func;
 132     watch->opaque = opaque;
 133     QTAILQ_INSERT_TAIL(&watches, watch, next);
 134
 135     watch_update_mask(watch, event_mask);
 136     return watch;
 137 }
 138
 139 static void watch_remove(SpiceWatch *watch)
 140 {
 141     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
 142     QTAILQ_REMOVE(&watches, watch, next);
 143     g_free(watch);
 144 }
 145
 146 typedef struct ChannelList ChannelList;
 147 struct ChannelList {
 148     SpiceChannelEventInfo *info;
 149     QTAILQ_ENTRY(ChannelList) link;
 150 };
 151 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
 152
 153 static void channel_list_add(SpiceChannelEventInfo *info)
 154 {
 155     ChannelList *item;
 156
 157     item = g_malloc0(sizeof(*item));
 158     item->info = info;
 159     QTAILQ_INSERT_TAIL(&channel_list, item, link);
 160 }
 161
 162 static void channel_list_del(SpiceChannelEventInfo *info)
 163 {
 164     ChannelList *item;
 165
 166     QTAILQ_FOREACH(item, &channel_list, link) {
 167         if (item->info != info) {
 168             continue;
 169         }
 170         QTAILQ_REMOVE(&channel_list, item, link);
 171         g_free(item);
 172         return;
 173     }
 174 }
 175
 176 static void add_addr_info(QDict *dict, struct sockaddr *addr, int len)
 177 {
 178     char host[NI_MAXHOST], port[NI_MAXSERV];
 179     const char *family;
 180
 181     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
 182                 NI_NUMERICHOST | NI_NUMERICSERV);
 183     family = inet_strfamily(addr->sa_family);
 184
 185     qdict_put(dict, "host", qstring_from_str(host));
 186     qdict_put(dict, "port", qstring_from_str(port));
 187     qdict_put(dict, "family", qstring_from_str(family));
 188 }
 189
 190 static void add_channel_info(QDict *dict, SpiceChannelEventInfo *info)
 191 {
 192     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 193
 194     qdict_put(dict, "connection-id", qint_from_int(info->connection_id));
 195     qdict_put(dict, "channel-type", qint_from_int(info->type));
 196     qdict_put(dict, "channel-id", qint_from_int(info->id));
 197     qdict_put(dict, "tls", qbool_from_int(tls));
 198 }
 199
 200 static void channel_event(int event, SpiceChannelEventInfo *info)
 201 {
 202     static const int qevent[] = {
 203         [ SPICE_CHANNEL_EVENT_CONNECTED    ] = QEVENT_SPICE_CONNECTED,
 204         [ SPICE_CHANNEL_EVENT_INITIALIZED  ] = QEVENT_SPICE_INITIALIZED,
 205         [ SPICE_CHANNEL_EVENT_DISCONNECTED ] = QEVENT_SPICE_DISCONNECTED,
 206     };
 207     QDict *server, *client;
 208     QObject *data;
 209
 210     /*
 211      * Spice server might have called us from spice worker thread
 212      * context (happens on display channel disconnects).  Spice should
 213      * not do that.  It isn't that easy to fix it in spice and even
 214      * when it is fixed we still should cover the already released
 215      * spice versions.  So detect that we've been called from another
 216      * thread and grab the iothread lock if so before calling qemu
 217      * functions.
 218      */
 219     bool need_lock = !qemu_thread_is_self(&me);
 220     if (need_lock) {
 221         qemu_mutex_lock_iothread();
 222     }
 223
 224     client = qdict_new();
 225     server = qdict_new();
 226
 227     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 228         add_addr_info(client, (struct sockaddr *)&info->paddr_ext,
 229                       info->plen_ext);
 230         add_addr_info(server, (struct sockaddr *)&info->laddr_ext,
 231                       info->llen_ext);
 232     } else {
 233         error_report("spice: %s, extended address is expected",
 234                      __func__);
 235     }
 236
 237     if (event == SPICE_CHANNEL_EVENT_INITIALIZED) {
 238         qdict_put(server, "auth", qstring_from_str(auth));
 239         add_channel_info(client, info);
 240         channel_list_add(info);
 241     }
 242     if (event == SPICE_CHANNEL_EVENT_DISCONNECTED) {
 243         channel_list_del(info);
 244     }
 245
 246     data = qobject_from_jsonf("{ 'client': %p, 'server': %p }",
 247                               QOBJECT(client), QOBJECT(server));
 248     monitor_protocol_event(qevent[event], data);
 249     qobject_decref(data);
 250
 251     if (need_lock) {
 252         qemu_mutex_unlock_iothread();
 253     }
 254 }
 255
 256 static SpiceCoreInterface core_interface = {
 257     .base.type          = SPICE_INTERFACE_CORE,
 258     .base.description   = "qemu core services",
 259     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
 260     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
 261
 262     .timer_add          = timer_add,
 263     .timer_start        = timer_start,
 264     .timer_cancel       = timer_cancel,
 265     .timer_remove       = timer_remove,
 266
 267     .watch_add          = watch_add,
 268     .watch_update_mask  = watch_update_mask,
 269     .watch_remove       = watch_remove,
 270
 271     .channel_event      = channel_event,
 272 };
 273
 274 typedef struct SpiceMigration {
 275     SpiceMigrateInstance sin;
 276     struct {
 277         MonitorCompletion *cb;
 278         void *opaque;
 279     } connect_complete;
 280 } SpiceMigration;
 281
 282 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
 283 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
 284
 285 static const SpiceMigrateInterface migrate_interface = {
 286     .base.type = SPICE_INTERFACE_MIGRATION,
 287     .base.description = "migration",
 288     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
 289     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
 290     .migrate_connect_complete = migrate_connect_complete_cb,
 291     .migrate_end_complete = migrate_end_complete_cb,
 292 };
 293
 294 static SpiceMigration spice_migrate;
 295
 296 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
 297 {
 298     SpiceMigration *sm = container_of(sin, SpiceMigration, sin);
 299     if (sm->connect_complete.cb) {
 300         sm->connect_complete.cb(sm->connect_complete.opaque, NULL);
 301     }
 302     sm->connect_complete.cb = NULL;
 303 }
 304
 305 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
 306 {
 307     monitor_protocol_event(QEVENT_SPICE_MIGRATE_COMPLETED, NULL);
 308     spice_migration_completed = true;
 309 }
 310
 311 /* config string parsing */
 312
 313 static int name2enum(const char *string, const char *table[], int entries)
 314 {
 315     int i;
 316
 317     if (string) {
 318         for (i = 0; i < entries; i++) {
 319             if (!table[i]) {
 320                 continue;
 321             }
 322             if (strcmp(string, table[i]) != 0) {
 323                 continue;
 324             }
 325             return i;
 326         }
 327     }
 328     return -1;
 329 }
 330
 331 static int parse_name(const char *string, const char *optname,
 332                       const char *table[], int entries)
 333 {
 334     int value = name2enum(string, table, entries);
 335
 336     if (value != -1) {
 337         return value;
 338     }
 339     error_report("spice: invalid %s: %s", optname, string);
 340     exit(1);
 341 }
 342
 343 static const char *stream_video_names[] = {
 344     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
 345     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
 346     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
 347 };
 348 #define parse_stream_video(_name) \
 349     parse_name(_name, "stream video control", \
 350                stream_video_names, ARRAY_SIZE(stream_video_names))
 351
 352 static const char *compression_names[] = {
 353     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
 354     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
 355     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
 356     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
 357     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
 358     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
 359 };
 360 #define parse_compression(_name)                                        \
 361     parse_name(_name, "image compression",                              \
 362                compression_names, ARRAY_SIZE(compression_names))
 363
 364 static const char *wan_compression_names[] = {
 365     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
 366     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
 367     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
 368 };
 369 #define parse_wan_compression(_name)                                    \
 370     parse_name(_name, "wan compression",                                \
 371                wan_compression_names, ARRAY_SIZE(wan_compression_names))
 372
 373 /* functions for the rest of qemu */
 374
 375 static SpiceChannelList *qmp_query_spice_channels(void)
 376 {
 377     SpiceChannelList *cur_item = NULL, *head = NULL;
 378     ChannelList *item;
 379
 380     QTAILQ_FOREACH(item, &channel_list, link) {
 381         SpiceChannelList *chan;
 382         char host[NI_MAXHOST], port[NI_MAXSERV];
 383         struct sockaddr *paddr;
 384         socklen_t plen;
 385
 386         chan = g_malloc0(sizeof(*chan));
 387         chan->value = g_malloc0(sizeof(*chan->value));
 388
 389         if (item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 390             paddr = (struct sockaddr *)&item->info->paddr_ext;
 391             plen = item->info->plen_ext;
 392         } else {
 393             paddr = &item->info->paddr;
 394             plen = item->info->plen;
 395         }
 396
 397         getnameinfo(paddr, plen,
 398                     host, sizeof(host), port, sizeof(port),
 399                     NI_NUMERICHOST | NI_NUMERICSERV);
 400         chan->value->host = g_strdup(host);
 401         chan->value->port = g_strdup(port);
 402         chan->value->family = g_strdup(inet_strfamily(paddr->sa_family));
 403
 404         chan->value->connection_id = item->info->connection_id;
 405         chan->value->channel_type = item->info->type;
 406         chan->value->channel_id = item->info->id;
 407         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 408
 409        /* XXX: waiting for the qapi to support GSList */
 410         if (!cur_item) {
 411             head = cur_item = chan;
 412         } else {
 413             cur_item->next = chan;
 414             cur_item = chan;
 415         }
 416     }
 417
 418     return head;
 419 }
 420
 421 static QemuOptsList qemu_spice_opts = {
 422     .name = "spice",
 423     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
 424     .desc = {
 425         {
 426             .name = "port",
 427             .type = QEMU_OPT_NUMBER,
 428         },{
 429             .name = "tls-port",
 430             .type = QEMU_OPT_NUMBER,
 431         },{
 432             .name = "addr",
 433             .type = QEMU_OPT_STRING,
 434         },{
 435             .name = "ipv4",
 436             .type = QEMU_OPT_BOOL,
 437         },{
 438             .name = "ipv6",
 439             .type = QEMU_OPT_BOOL,
 440         },{
 441             .name = "password",
 442             .type = QEMU_OPT_STRING,
 443         },{
 444             .name = "disable-ticketing",
 445             .type = QEMU_OPT_BOOL,
 446         },{
 447             .name = "disable-copy-paste",
 448             .type = QEMU_OPT_BOOL,
 449         },{
 450             .name = "disable-agent-file-xfer",
 451             .type = QEMU_OPT_BOOL,
 452         },{
 453             .name = "sasl",
 454             .type = QEMU_OPT_BOOL,
 455         },{
 456             .name = "x509-dir",
 457             .type = QEMU_OPT_STRING,
 458         },{
 459             .name = "x509-key-file",
 460             .type = QEMU_OPT_STRING,
 461         },{
 462             .name = "x509-key-password",
 463             .type = QEMU_OPT_STRING,
 464         },{
 465             .name = "x509-cert-file",
 466             .type = QEMU_OPT_STRING,
 467         },{
 468             .name = "x509-cacert-file",
 469             .type = QEMU_OPT_STRING,
 470         },{
 471             .name = "x509-dh-key-file",
 472             .type = QEMU_OPT_STRING,
 473         },{
 474             .name = "tls-ciphers",
 475             .type = QEMU_OPT_STRING,
 476         },{
 477             .name = "tls-channel",
 478             .type = QEMU_OPT_STRING,
 479         },{
 480             .name = "plaintext-channel",
 481             .type = QEMU_OPT_STRING,
 482         },{
 483             .name = "image-compression",
 484             .type = QEMU_OPT_STRING,
 485         },{
 486             .name = "jpeg-wan-compression",
 487             .type = QEMU_OPT_STRING,
 488         },{
 489             .name = "zlib-glz-wan-compression",
 490             .type = QEMU_OPT_STRING,
 491         },{
 492             .name = "streaming-video",
 493             .type = QEMU_OPT_STRING,
 494         },{
 495             .name = "agent-mouse",
 496             .type = QEMU_OPT_BOOL,
 497         },{
 498             .name = "playback-compression",
 499             .type = QEMU_OPT_BOOL,
 500         }, {
 501             .name = "seamless-migration",
 502             .type = QEMU_OPT_BOOL,
 503         },
 504         { /* end of list */ }
 505     },
 506 };
 507
 508 SpiceInfo *qmp_query_spice(Error **errp)
 509 {
 510     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 511     int port, tls_port;
 512     const char *addr;
 513     SpiceInfo *info;
 514     unsigned int major;
 515     unsigned int minor;
 516     unsigned int micro;
 517
 518     info = g_malloc0(sizeof(*info));
 519
 520     if (!spice_server || !opts) {
 521         info->enabled = false;
 522         return info;
 523     }
 524
 525     info->enabled = true;
 526     info->migrated = spice_migration_completed;
 527
 528     addr = qemu_opt_get(opts, "addr");
 529     port = qemu_opt_get_number(opts, "port", 0);
 530     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 531
 532     info->has_auth = true;
 533     info->auth = g_strdup(auth);
 534
 535     info->has_host = true;
 536     info->host = g_strdup(addr ? addr : "0.0.0.0");
 537
 538     info->has_compiled_version = true;
 539     major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
 540     minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
 541     micro = SPICE_SERVER_VERSION & 0xff;
 542     info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
 543
 544     if (port) {
 545         info->has_port = true;
 546         info->port = port;
 547     }
 548     if (tls_port) {
 549         info->has_tls_port = true;
 550         info->tls_port = tls_port;
 551     }
 552
 553     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
 554                        SPICE_QUERY_MOUSE_MODE_SERVER :
 555                        SPICE_QUERY_MOUSE_MODE_CLIENT;
 556
 557     /* for compatibility with the original command */
 558     info->has_channels = true;
 559     info->channels = qmp_query_spice_channels();
 560
 561     return info;
 562 }
 563
 564 static void migration_state_notifier(Notifier *notifier, void *data)
 565 {
 566     MigrationState *s = data;
 567
 568     if (migration_in_setup(s)) {
 569         spice_server_migrate_start(spice_server);
 570     } else if (migration_has_finished(s)) {
 571         spice_server_migrate_end(spice_server, true);
 572     } else if (migration_has_failed(s)) {
 573         spice_server_migrate_end(spice_server, false);
 574     }
 575 }
 576
 577 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 578                             const char *subject,
 579                             MonitorCompletion *cb, void *opaque)
 580 {
 581     int ret;
 582
 583     spice_migrate.connect_complete.cb = cb;
 584     spice_migrate.connect_complete.opaque = opaque;
 585     ret = spice_server_migrate_connect(spice_server, hostname,
 586                                        port, tls_port, subject);
 587     return ret;
 588 }
 589
 590 static int add_channel(const char *name, const char *value, void *opaque)
 591 {
 592     int security = 0;
 593     int rc;
 594
 595     if (strcmp(name, "tls-channel") == 0) {
 596         int *tls_port = opaque;
 597         if (!*tls_port) {
 598             error_report("spice: tried to setup tls-channel"
 599                          " without specifying a TLS port");
 600             exit(1);
 601         }
 602         security = SPICE_CHANNEL_SECURITY_SSL;
 603     }
 604     if (strcmp(name, "plaintext-channel") == 0) {
 605         security = SPICE_CHANNEL_SECURITY_NONE;
 606     }
 607     if (security == 0) {
 608         return 0;
 609     }
 610     if (strcmp(value, "default") == 0) {
 611         rc = spice_server_set_channel_security(spice_server, NULL, security);
 612     } else {
 613         rc = spice_server_set_channel_security(spice_server, value, security);
 614     }
 615     if (rc != 0) {
 616         error_report("spice: failed to set channel security for %s", value);
 617         exit(1);
 618     }
 619     return 0;
 620 }
 621
 622 static void vm_change_state_handler(void *opaque, int running,
 623                                     RunState state)
 624 {
 625     if (running) {
 626         qemu_spice_display_start();
 627         spice_server_vm_start(spice_server);
 628     } else {
 629         spice_server_vm_stop(spice_server);
 630         qemu_spice_display_stop();
 631     }
 632 }
 633
 634 void qemu_spice_init(void)
 635 {
 636     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 637     const char *password, *str, *x509_dir, *addr,
 638         *x509_key_password = NULL,
 639         *x509_dh_file = NULL,
 640         *tls_ciphers = NULL;
 641     char *x509_key_file = NULL,
 642         *x509_cert_file = NULL,
 643         *x509_cacert_file = NULL;
 644     int port, tls_port, addr_flags;
 645     spice_image_compression_t compression;
 646     spice_wan_compression_t wan_compr;
 647     bool seamless_migration;
 648
 649     qemu_thread_get_self(&me);
 650
 651     if (!opts) {
 652         return;
 653     }
 654     port = qemu_opt_get_number(opts, "port", 0);
 655     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 656     if (!port && !tls_port) {
 657         error_report("neither port nor tls-port specified for spice");
 658         exit(1);
 659     }
 660     if (port < 0 || port > 65535) {
 661         error_report("spice port is out of range");
 662         exit(1);
 663     }
 664     if (tls_port < 0 || tls_port > 65535) {
 665         error_report("spice tls-port is out of range");
 666         exit(1);
 667     }
 668     password = qemu_opt_get(opts, "password");
 669
 670     if (tls_port) {
 671         x509_dir = qemu_opt_get(opts, "x509-dir");
 672         if (NULL == x509_dir) {
 673             x509_dir = ".";
 674         }
 675
 676         str = qemu_opt_get(opts, "x509-key-file");
 677         if (str) {
 678             x509_key_file = g_strdup(str);
 679         } else {
 680             x509_key_file = g_strdup_printf("%s/%s", x509_dir,
 681                                             X509_SERVER_KEY_FILE);
 682         }
 683
 684         str = qemu_opt_get(opts, "x509-cert-file");
 685         if (str) {
 686             x509_cert_file = g_strdup(str);
 687         } else {
 688             x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
 689                                              X509_SERVER_CERT_FILE);
 690         }
 691
 692         str = qemu_opt_get(opts, "x509-cacert-file");
 693         if (str) {
 694             x509_cacert_file = g_strdup(str);
 695         } else {
 696             x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
 697                                                X509_CA_CERT_FILE);
 698         }
 699
 700         x509_key_password = qemu_opt_get(opts, "x509-key-password");
 701         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
 702         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
 703     }
 704
 705     addr = qemu_opt_get(opts, "addr");
 706     addr_flags = 0;
 707     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
 708         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
 709     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
 710         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
 711     }
 712
 713     spice_server = spice_server_new();
 714     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
 715     if (port) {
 716         spice_server_set_port(spice_server, port);
 717     }
 718     if (tls_port) {
 719         spice_server_set_tls(spice_server, tls_port,
 720                              x509_cacert_file,
 721                              x509_cert_file,
 722                              x509_key_file,
 723                              x509_key_password,
 724                              x509_dh_file,
 725                              tls_ciphers);
 726     }
 727     if (password) {
 728         spice_server_set_ticket(spice_server, password, 0, 0, 0);
 729     }
 730     if (qemu_opt_get_bool(opts, "sasl", 0)) {
 731         if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 ||
 732             spice_server_set_sasl(spice_server, 1) == -1) {
 733             error_report("spice: failed to enable sasl");
 734             exit(1);
 735         }
 736     }
 737     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 738         auth = "none";
 739         spice_server_set_noauth(spice_server);
 740     }
 741
 742     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 743         spice_server_set_agent_copypaste(spice_server, false);
 744     }
 745
 746     if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
 747 #if SPICE_SERVER_VERSION >= 0x000c04
 748         spice_server_set_agent_file_xfer(spice_server, false);
 749 #else
 750         error_report("this qemu build does not support the "
 751                      "\"disable-agent-file-xfer\" option");
 752         exit(1);
 753 #endif
 754     }
 755
 756     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 757     str = qemu_opt_get(opts, "image-compression");
 758     if (str) {
 759         compression = parse_compression(str);
 760     }
 761     spice_server_set_image_compression(spice_server, compression);
 762
 763     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 764     str = qemu_opt_get(opts, "jpeg-wan-compression");
 765     if (str) {
 766         wan_compr = parse_wan_compression(str);
 767     }
 768     spice_server_set_jpeg_compression(spice_server, wan_compr);
 769
 770     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 771     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 772     if (str) {
 773         wan_compr = parse_wan_compression(str);
 774     }
 775     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 776
 777     str = qemu_opt_get(opts, "streaming-video");
 778     if (str) {
 779         int streaming_video = parse_stream_video(str);
 780         spice_server_set_streaming_video(spice_server, streaming_video);
 781     }
 782
 783     spice_server_set_agent_mouse
 784         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 785     spice_server_set_playback_compression
 786         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 787
 788     qemu_opt_foreach(opts, add_channel, &tls_port, 0);
 789
 790     spice_server_set_name(spice_server, qemu_name);
 791     spice_server_set_uuid(spice_server, qemu_uuid);
 792
 793     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
 794     spice_server_set_seamless_migration(spice_server, seamless_migration);
 795     if (0 != spice_server_init(spice_server, &core_interface)) {
 796         error_report("failed to initialize spice server");
 797         exit(1);
 798     };
 799     using_spice = 1;
 800
 801     migration_state.notify = migration_state_notifier;
 802     add_migration_state_change_notifier(&migration_state);
 803     spice_migrate.sin.base.sif = &migrate_interface.base;
 804     spice_migrate.connect_complete.cb = NULL;
 805     qemu_spice_add_interface(&spice_migrate.sin.base);
 806
 807     qemu_spice_input_init();
 808     qemu_spice_audio_init();
 809
 810     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 811
 812     g_free(x509_key_file);
 813     g_free(x509_cert_file);
 814     g_free(x509_cacert_file);
 815
 816 #if SPICE_SERVER_VERSION >= 0x000c02
 817     qemu_spice_register_ports();
 818 #endif
 819 }
 820
 821 int qemu_spice_add_interface(SpiceBaseInstance *sin)
 822 {
 823     if (!spice_server) {
 824         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 825             error_report("Oops: spice configured but not active");
 826             exit(1);
 827         }
 828         /*
 829          * Create a spice server instance.
 830          * It does *not* listen on the network.
 831          * It handles QXL local rendering only.
 832          *
 833          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 834          */
 835         spice_server = spice_server_new();
 836         spice_server_init(spice_server, &core_interface);
 837         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 838     }
 839
 840     if (strcmp(sin->sif->type, SPICE_INTERFACE_QXL) == 0) {
 841         spice_displays++;
 842     }
 843
 844     return spice_server_add_interface(spice_server, sin);
 845 }
 846
 847 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 848 {
 849     time_t lifetime, now = time(NULL);
 850     char *passwd;
 851
 852     if (now < auth_expires) {
 853         passwd = auth_passwd;
 854         lifetime = (auth_expires - now);
 855         if (lifetime > INT_MAX) {
 856             lifetime = INT_MAX;
 857         }
 858     } else {
 859         passwd = NULL;
 860         lifetime = 1;
 861     }
 862     return spice_server_set_ticket(spice_server, passwd, lifetime,
 863                                    fail_if_conn, disconnect_if_conn);
 864 }
 865
 866 int qemu_spice_set_passwd(const char *passwd,
 867                           bool fail_if_conn, bool disconnect_if_conn)
 868 {
 869     g_free(auth_passwd);
 870     auth_passwd = g_strdup(passwd);
 871     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 872 }
 873
 874 int qemu_spice_set_pw_expire(time_t expires)
 875 {
 876     auth_expires = expires;
 877     return qemu_spice_set_ticket(false, false);
 878 }
 879
 880 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
 881 {
 882     if (tls) {
 883         return spice_server_add_ssl_client(spice_server, csock, skipauth);
 884     } else {
 885         return spice_server_add_client(spice_server, csock, skipauth);
 886     }
 887 }
 888
 889 static void spice_register_config(void)
 890 {
 891     qemu_add_opts(&qemu_spice_opts);
 892 }
 893 machine_init(spice_register_config);