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 = "disable-agent-file-xfer",
 450             .type = QEMU_OPT_BOOL,
 451         },{
 452             .name = "sasl",
 453             .type = QEMU_OPT_BOOL,
 454         },{
 455             .name = "x509-dir",
 456             .type = QEMU_OPT_STRING,
 457         },{
 458             .name = "x509-key-file",
 459             .type = QEMU_OPT_STRING,
 460         },{
 461             .name = "x509-key-password",
 462             .type = QEMU_OPT_STRING,
 463         },{
 464             .name = "x509-cert-file",
 465             .type = QEMU_OPT_STRING,
 466         },{
 467             .name = "x509-cacert-file",
 468             .type = QEMU_OPT_STRING,
 469         },{
 470             .name = "x509-dh-key-file",
 471             .type = QEMU_OPT_STRING,
 472         },{
 473             .name = "tls-ciphers",
 474             .type = QEMU_OPT_STRING,
 475         },{
 476             .name = "tls-channel",
 477             .type = QEMU_OPT_STRING,
 478         },{
 479             .name = "plaintext-channel",
 480             .type = QEMU_OPT_STRING,
 481         },{
 482             .name = "image-compression",
 483             .type = QEMU_OPT_STRING,
 484         },{
 485             .name = "jpeg-wan-compression",
 486             .type = QEMU_OPT_STRING,
 487         },{
 488             .name = "zlib-glz-wan-compression",
 489             .type = QEMU_OPT_STRING,
 490         },{
 491             .name = "streaming-video",
 492             .type = QEMU_OPT_STRING,
 493         },{
 494             .name = "agent-mouse",
 495             .type = QEMU_OPT_BOOL,
 496         },{
 497             .name = "playback-compression",
 498             .type = QEMU_OPT_BOOL,
 499         }, {
 500             .name = "seamless-migration",
 501             .type = QEMU_OPT_BOOL,
 502         },
 503         { /* end of list */ }
 504     },
 505 };
 506
 507 SpiceInfo *qmp_query_spice(Error **errp)
 508 {
 509     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 510     int port, tls_port;
 511     const char *addr;
 512     SpiceInfo *info;
 513     char version_string[20]; /* 12 = |255.255.255\0| is the max */
 514
 515     info = g_malloc0(sizeof(*info));
 516
 517     if (!spice_server || !opts) {
 518         info->enabled = false;
 519         return info;
 520     }
 521
 522     info->enabled = true;
 523     info->migrated = spice_migration_completed;
 524
 525     addr = qemu_opt_get(opts, "addr");
 526     port = qemu_opt_get_number(opts, "port", 0);
 527     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 528
 529     info->has_auth = true;
 530     info->auth = g_strdup(auth);
 531
 532     info->has_host = true;
 533     info->host = g_strdup(addr ? addr : "0.0.0.0");
 534
 535     info->has_compiled_version = true;
 536     snprintf(version_string, sizeof(version_string), "%d.%d.%d",
 537              (SPICE_SERVER_VERSION & 0xff0000) >> 16,
 538              (SPICE_SERVER_VERSION & 0xff00) >> 8,
 539              SPICE_SERVER_VERSION & 0xff);
 540     info->compiled_version = g_strdup(version_string);
 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 (migration_in_setup(s)) {
 567         spice_server_migrate_start(spice_server);
 568     } else if (migration_has_finished(s)) {
 569         spice_server_migrate_end(spice_server, true);
 570     } else if (migration_has_failed(s)) {
 571         spice_server_migrate_end(spice_server, false);
 572     }
 573 }
 574
 575 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 576                             const char *subject,
 577                             MonitorCompletion *cb, void *opaque)
 578 {
 579     int ret;
 580
 581     spice_migrate.connect_complete.cb = cb;
 582     spice_migrate.connect_complete.opaque = opaque;
 583     ret = spice_server_migrate_connect(spice_server, hostname,
 584                                        port, tls_port, subject);
 585     return ret;
 586 }
 587
 588 static int add_channel(const char *name, const char *value, void *opaque)
 589 {
 590     int security = 0;
 591     int rc;
 592
 593     if (strcmp(name, "tls-channel") == 0) {
 594         int *tls_port = opaque;
 595         if (!*tls_port) {
 596             error_report("spice: tried to setup tls-channel"
 597                          " without specifying a TLS port");
 598             exit(1);
 599         }
 600         security = SPICE_CHANNEL_SECURITY_SSL;
 601     }
 602     if (strcmp(name, "plaintext-channel") == 0) {
 603         security = SPICE_CHANNEL_SECURITY_NONE;
 604     }
 605     if (security == 0) {
 606         return 0;
 607     }
 608     if (strcmp(value, "default") == 0) {
 609         rc = spice_server_set_channel_security(spice_server, NULL, security);
 610     } else {
 611         rc = spice_server_set_channel_security(spice_server, value, security);
 612     }
 613     if (rc != 0) {
 614         error_report("spice: failed to set channel security for %s", value);
 615         exit(1);
 616     }
 617     return 0;
 618 }
 619
 620 static void vm_change_state_handler(void *opaque, int running,
 621                                     RunState state)
 622 {
 623     if (running) {
 624         qemu_spice_display_start();
 625         spice_server_vm_start(spice_server);
 626     } else {
 627         spice_server_vm_stop(spice_server);
 628         qemu_spice_display_stop();
 629     }
 630 }
 631
 632 void qemu_spice_init(void)
 633 {
 634     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 635     const char *password, *str, *x509_dir, *addr,
 636         *x509_key_password = NULL,
 637         *x509_dh_file = NULL,
 638         *tls_ciphers = NULL;
 639     char *x509_key_file = NULL,
 640         *x509_cert_file = NULL,
 641         *x509_cacert_file = NULL;
 642     int port, tls_port, len, addr_flags;
 643     spice_image_compression_t compression;
 644     spice_wan_compression_t wan_compr;
 645     bool seamless_migration;
 646
 647     qemu_thread_get_self(&me);
 648
 649     if (!opts) {
 650         return;
 651     }
 652     port = qemu_opt_get_number(opts, "port", 0);
 653     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 654     if (!port && !tls_port) {
 655         error_report("neither port nor tls-port specified for spice");
 656         exit(1);
 657     }
 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 (NULL == x509_dir) {
 671             x509_dir = ".";
 672         }
 673         len = strlen(x509_dir) + 32;
 674
 675         str = qemu_opt_get(opts, "x509-key-file");
 676         if (str) {
 677             x509_key_file = g_strdup(str);
 678         } else {
 679             x509_key_file = g_malloc(len);
 680             snprintf(x509_key_file, len, "%s/%s", x509_dir, X509_SERVER_KEY_FILE);
 681         }
 682
 683         str = qemu_opt_get(opts, "x509-cert-file");
 684         if (str) {
 685             x509_cert_file = g_strdup(str);
 686         } else {
 687             x509_cert_file = g_malloc(len);
 688             snprintf(x509_cert_file, len, "%s/%s", x509_dir, X509_SERVER_CERT_FILE);
 689         }
 690
 691         str = qemu_opt_get(opts, "x509-cacert-file");
 692         if (str) {
 693             x509_cacert_file = g_strdup(str);
 694         } else {
 695             x509_cacert_file = g_malloc(len);
 696             snprintf(x509_cacert_file, len, "%s/%s", x509_dir, X509_CA_CERT_FILE);
 697         }
 698
 699         x509_key_password = qemu_opt_get(opts, "x509-key-password");
 700         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
 701         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
 702     }
 703
 704     addr = qemu_opt_get(opts, "addr");
 705     addr_flags = 0;
 706     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
 707         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
 708     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
 709         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
 710     }
 711
 712     spice_server = spice_server_new();
 713     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
 714     if (port) {
 715         spice_server_set_port(spice_server, port);
 716     }
 717     if (tls_port) {
 718         spice_server_set_tls(spice_server, tls_port,
 719                              x509_cacert_file,
 720                              x509_cert_file,
 721                              x509_key_file,
 722                              x509_key_password,
 723                              x509_dh_file,
 724                              tls_ciphers);
 725     }
 726     if (password) {
 727         spice_server_set_ticket(spice_server, password, 0, 0, 0);
 728     }
 729     if (qemu_opt_get_bool(opts, "sasl", 0)) {
 730         if (spice_server_set_sasl_appname(spice_server, "qemu") == -1 ||
 731             spice_server_set_sasl(spice_server, 1) == -1) {
 732             error_report("spice: failed to enable sasl");
 733             exit(1);
 734         }
 735     }
 736     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 737         auth = "none";
 738         spice_server_set_noauth(spice_server);
 739     }
 740
 741     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 742         spice_server_set_agent_copypaste(spice_server, false);
 743     }
 744
 745     if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
 746 #if SPICE_SERVER_VERSION >= 0x000c04
 747         spice_server_set_agent_file_xfer(spice_server, false);
 748 #else
 749         error_report("this qemu build does not support the "
 750                      "\"disable-agent-file-xfer\" option");
 751         exit(1);
 752 #endif
 753     }
 754
 755     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 756     str = qemu_opt_get(opts, "image-compression");
 757     if (str) {
 758         compression = parse_compression(str);
 759     }
 760     spice_server_set_image_compression(spice_server, compression);
 761
 762     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 763     str = qemu_opt_get(opts, "jpeg-wan-compression");
 764     if (str) {
 765         wan_compr = parse_wan_compression(str);
 766     }
 767     spice_server_set_jpeg_compression(spice_server, wan_compr);
 768
 769     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 770     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 771     if (str) {
 772         wan_compr = parse_wan_compression(str);
 773     }
 774     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 775
 776     str = qemu_opt_get(opts, "streaming-video");
 777     if (str) {
 778         int streaming_video = parse_stream_video(str);
 779         spice_server_set_streaming_video(spice_server, streaming_video);
 780     }
 781
 782     spice_server_set_agent_mouse
 783         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 784     spice_server_set_playback_compression
 785         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 786
 787     qemu_opt_foreach(opts, add_channel, &tls_port, 0);
 788
 789     spice_server_set_name(spice_server, qemu_name);
 790     spice_server_set_uuid(spice_server, qemu_uuid);
 791
 792     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
 793     spice_server_set_seamless_migration(spice_server, seamless_migration);
 794     if (0 != spice_server_init(spice_server, &core_interface)) {
 795         error_report("failed to initialize spice server");
 796         exit(1);
 797     };
 798     using_spice = 1;
 799
 800     migration_state.notify = migration_state_notifier;
 801     add_migration_state_change_notifier(&migration_state);
 802     spice_migrate.sin.base.sif = &migrate_interface.base;
 803     spice_migrate.connect_complete.cb = NULL;
 804     qemu_spice_add_interface(&spice_migrate.sin.base);
 805
 806     qemu_spice_input_init();
 807     qemu_spice_audio_init();
 808
 809     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 810
 811     g_free(x509_key_file);
 812     g_free(x509_cert_file);
 813     g_free(x509_cacert_file);
 814
 815 #if SPICE_SERVER_VERSION >= 0x000c02
 816     qemu_spice_register_ports();
 817 #endif
 818 }
 819
 820 int qemu_spice_add_interface(SpiceBaseInstance *sin)
 821 {
 822     if (!spice_server) {
 823         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 824             error_report("Oops: spice configured but not active");
 825             exit(1);
 826         }
 827         /*
 828          * Create a spice server instance.
 829          * It does *not* listen on the network.
 830          * It handles QXL local rendering only.
 831          *
 832          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 833          */
 834         spice_server = spice_server_new();
 835         spice_server_init(spice_server, &core_interface);
 836         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 837     }
 838
 839     return spice_server_add_interface(spice_server, sin);
 840 }
 841
 842 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 843 {
 844     time_t lifetime, now = time(NULL);
 845     char *passwd;
 846
 847     if (now < auth_expires) {
 848         passwd = auth_passwd;
 849         lifetime = (auth_expires - now);
 850         if (lifetime > INT_MAX) {
 851             lifetime = INT_MAX;
 852         }
 853     } else {
 854         passwd = NULL;
 855         lifetime = 1;
 856     }
 857     return spice_server_set_ticket(spice_server, passwd, lifetime,
 858                                    fail_if_conn, disconnect_if_conn);
 859 }
 860
 861 int qemu_spice_set_passwd(const char *passwd,
 862                           bool fail_if_conn, bool disconnect_if_conn)
 863 {
 864     g_free(auth_passwd);
 865     auth_passwd = g_strdup(passwd);
 866     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 867 }
 868
 869 int qemu_spice_set_pw_expire(time_t expires)
 870 {
 871     auth_expires = expires;
 872     return qemu_spice_set_ticket(false, false);
 873 }
 874
 875 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
 876 {
 877     if (tls) {
 878         return spice_server_add_ssl_client(spice_server, csock, skipauth);
 879     } else {
 880         return spice_server_add_client(spice_server, csock, skipauth);
 881     }
 882 }
 883
 884 static void spice_register_config(void)
 885 {
 886     qemu_add_opts(&qemu_spice_opts);
 887 }
 888 machine_init(spice_register_config);