qemu/ui/spice-core.c
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   1/*
   2 * Copyright (C) 2010 Red Hat, Inc.
   3 *
   4 * This program is free software; you can redistribute it and/or
   5 * modify it under the terms of the GNU General Public License as
   6 * published by the Free Software Foundation; either version 2 or
   7 * (at your option) version 3 of the License.
   8 *
   9 * This program is distributed in the hope that it will be useful,
  10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 * GNU General Public License for more details.
  13 *
  14 * You should have received a copy of the GNU General Public License
  15 * along with this program; if not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18#include "qemu/osdep.h"
  19#include <spice.h>
  20
  21#include "sysemu/sysemu.h"
  22#include "sysemu/runstate.h"
  23#include "ui/qemu-spice.h"
  24#include "qemu/error-report.h"
  25#include "qemu/main-loop.h"
  26#include "qemu/module.h"
  27#include "qemu/thread.h"
  28#include "qemu/timer.h"
  29#include "qemu/queue.h"
  30#include "qemu-x509.h"
  31#include "qemu/sockets.h"
  32#include "qapi/error.h"
  33#include "qapi/qapi-commands-ui.h"
  34#include "qapi/qapi-events-ui.h"
  35#include "qemu/notify.h"
  36#include "qemu/option.h"
  37#include "crypto/secret_common.h"
  38#include "migration/misc.h"
  39#include "hw/pci/pci_bus.h"
  40#include "ui/spice-display.h"
  41
  42/* core bits */
  43
  44static SpiceServer *spice_server;
  45static Notifier migration_state;
  46static const char *auth = "spice";
  47static char *auth_passwd;
  48static time_t auth_expires = TIME_MAX;
  49static int spice_migration_completed;
  50static int spice_display_is_running;
  51static int spice_have_target_host;
  52
  53static QemuThread me;
  54
  55struct SpiceTimer {
  56    QEMUTimer *timer;
  57};
  58
  59static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
  60{
  61    SpiceTimer *timer;
  62
  63    timer = g_malloc0(sizeof(*timer));
  64    timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
  65    return timer;
  66}
  67
  68static void timer_start(SpiceTimer *timer, uint32_t ms)
  69{
  70    timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
  71}
  72
  73static void timer_cancel(SpiceTimer *timer)
  74{
  75    timer_del(timer->timer);
  76}
  77
  78static void timer_remove(SpiceTimer *timer)
  79{
  80    timer_free(timer->timer);
  81    g_free(timer);
  82}
  83
  84struct SpiceWatch {
  85    int fd;
  86    SpiceWatchFunc func;
  87    void *opaque;
  88};
  89
  90static void watch_read(void *opaque)
  91{
  92    SpiceWatch *watch = opaque;
  93    watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
  94}
  95
  96static void watch_write(void *opaque)
  97{
  98    SpiceWatch *watch = opaque;
  99    watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
 100}
 101
 102static void watch_update_mask(SpiceWatch *watch, int event_mask)
 103{
 104    IOHandler *on_read = NULL;
 105    IOHandler *on_write = NULL;
 106
 107    if (event_mask & SPICE_WATCH_EVENT_READ) {
 108        on_read = watch_read;
 109    }
 110    if (event_mask & SPICE_WATCH_EVENT_WRITE) {
 111        on_write = watch_write;
 112    }
 113    qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
 114}
 115
 116static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 117{
 118    SpiceWatch *watch;
 119
 120    watch = g_malloc0(sizeof(*watch));
 121    watch->fd     = fd;
 122    watch->func   = func;
 123    watch->opaque = opaque;
 124
 125    watch_update_mask(watch, event_mask);
 126    return watch;
 127}
 128
 129static void watch_remove(SpiceWatch *watch)
 130{
 131    qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
 132    g_free(watch);
 133}
 134
 135typedef struct ChannelList ChannelList;
 136struct ChannelList {
 137    SpiceChannelEventInfo *info;
 138    QTAILQ_ENTRY(ChannelList) link;
 139};
 140static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
 141
 142static void channel_list_add(SpiceChannelEventInfo *info)
 143{
 144    ChannelList *item;
 145
 146    item = g_malloc0(sizeof(*item));
 147    item->info = info;
 148    QTAILQ_INSERT_TAIL(&channel_list, item, link);
 149}
 150
 151static void channel_list_del(SpiceChannelEventInfo *info)
 152{
 153    ChannelList *item;
 154
 155    QTAILQ_FOREACH(item, &channel_list, link) {
 156        if (item->info != info) {
 157            continue;
 158        }
 159        QTAILQ_REMOVE(&channel_list, item, link);
 160        g_free(item);
 161        return;
 162    }
 163}
 164
 165static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
 166{
 167    char host[NI_MAXHOST], port[NI_MAXSERV];
 168
 169    getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
 170                NI_NUMERICHOST | NI_NUMERICSERV);
 171
 172    info->host = g_strdup(host);
 173    info->port = g_strdup(port);
 174    info->family = inet_netfamily(addr->sa_family);
 175}
 176
 177static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
 178{
 179    int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 180
 181    sc->connection_id = info->connection_id;
 182    sc->channel_type = info->type;
 183    sc->channel_id = info->id;
 184    sc->tls = !!tls;
 185}
 186
 187static void channel_event(int event, SpiceChannelEventInfo *info)
 188{
 189    SpiceServerInfo *server = g_malloc0(sizeof(*server));
 190    SpiceChannel *client = g_malloc0(sizeof(*client));
 191
 192    /*
 193     * Spice server might have called us from spice worker thread
 194     * context (happens on display channel disconnects).  Spice should
 195     * not do that.  It isn't that easy to fix it in spice and even
 196     * when it is fixed we still should cover the already released
 197     * spice versions.  So detect that we've been called from another
 198     * thread and grab the iothread lock if so before calling qemu
 199     * functions.
 200     */
 201    bool need_lock = !qemu_thread_is_self(&me);
 202    if (need_lock) {
 203        qemu_mutex_lock_iothread();
 204    }
 205
 206    if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 207        add_addr_info(qapi_SpiceChannel_base(client),
 208                      (struct sockaddr *)&info->paddr_ext,
 209                      info->plen_ext);
 210        add_addr_info(qapi_SpiceServerInfo_base(server),
 211                      (struct sockaddr *)&info->laddr_ext,
 212                      info->llen_ext);
 213    } else {
 214        error_report("spice: %s, extended address is expected",
 215                     __func__);
 216    }
 217
 218    switch (event) {
 219    case SPICE_CHANNEL_EVENT_CONNECTED:
 220        qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server),
 221                                        qapi_SpiceChannel_base(client));
 222        break;
 223    case SPICE_CHANNEL_EVENT_INITIALIZED:
 224        if (auth) {
 225            server->has_auth = true;
 226            server->auth = g_strdup(auth);
 227        }
 228        add_channel_info(client, info);
 229        channel_list_add(info);
 230        qapi_event_send_spice_initialized(server, client);
 231        break;
 232    case SPICE_CHANNEL_EVENT_DISCONNECTED:
 233        channel_list_del(info);
 234        qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server),
 235                                           qapi_SpiceChannel_base(client));
 236        break;
 237    default:
 238        break;
 239    }
 240
 241    if (need_lock) {
 242        qemu_mutex_unlock_iothread();
 243    }
 244
 245    qapi_free_SpiceServerInfo(server);
 246    qapi_free_SpiceChannel(client);
 247}
 248
 249static SpiceCoreInterface core_interface = {
 250    .base.type          = SPICE_INTERFACE_CORE,
 251    .base.description   = "qemu core services",
 252    .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
 253    .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
 254
 255    .timer_add          = timer_add,
 256    .timer_start        = timer_start,
 257    .timer_cancel       = timer_cancel,
 258    .timer_remove       = timer_remove,
 259
 260    .watch_add          = watch_add,
 261    .watch_update_mask  = watch_update_mask,
 262    .watch_remove       = watch_remove,
 263
 264    .channel_event      = channel_event,
 265};
 266
 267static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
 268static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
 269
 270static const SpiceMigrateInterface migrate_interface = {
 271    .base.type = SPICE_INTERFACE_MIGRATION,
 272    .base.description = "migration",
 273    .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
 274    .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
 275    .migrate_connect_complete = migrate_connect_complete_cb,
 276    .migrate_end_complete = migrate_end_complete_cb,
 277};
 278
 279static SpiceMigrateInstance spice_migrate;
 280
 281static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
 282{
 283    /* nothing, but libspice-server expects this cb being present. */
 284}
 285
 286static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
 287{
 288    qapi_event_send_spice_migrate_completed();
 289    spice_migration_completed = true;
 290}
 291
 292/* config string parsing */
 293
 294static int name2enum(const char *string, const char *table[], int entries)
 295{
 296    int i;
 297
 298    if (string) {
 299        for (i = 0; i < entries; i++) {
 300            if (!table[i]) {
 301                continue;
 302            }
 303            if (strcmp(string, table[i]) != 0) {
 304                continue;
 305            }
 306            return i;
 307        }
 308    }
 309    return -1;
 310}
 311
 312static int parse_name(const char *string, const char *optname,
 313                      const char *table[], int entries)
 314{
 315    int value = name2enum(string, table, entries);
 316
 317    if (value != -1) {
 318        return value;
 319    }
 320    error_report("spice: invalid %s: %s", optname, string);
 321    exit(1);
 322}
 323
 324static const char *stream_video_names[] = {
 325    [ SPICE_STREAM_VIDEO_OFF ]    = "off",
 326    [ SPICE_STREAM_VIDEO_ALL ]    = "all",
 327    [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
 328};
 329#define parse_stream_video(_name) \
 330    parse_name(_name, "stream video control", \
 331               stream_video_names, ARRAY_SIZE(stream_video_names))
 332
 333static const char *compression_names[] = {
 334    [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
 335    [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
 336    [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
 337    [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
 338    [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
 339    [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
 340};
 341#define parse_compression(_name)                                        \
 342    parse_name(_name, "image compression",                              \
 343               compression_names, ARRAY_SIZE(compression_names))
 344
 345static const char *wan_compression_names[] = {
 346    [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
 347    [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
 348    [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
 349};
 350#define parse_wan_compression(_name)                                    \
 351    parse_name(_name, "wan compression",                                \
 352               wan_compression_names, ARRAY_SIZE(wan_compression_names))
 353
 354/* functions for the rest of qemu */
 355
 356static SpiceChannelList *qmp_query_spice_channels(void)
 357{
 358    SpiceChannelList *head = NULL, **tail = &head;
 359    ChannelList *item;
 360
 361    QTAILQ_FOREACH(item, &channel_list, link) {
 362        SpiceChannel *chan;
 363        char host[NI_MAXHOST], port[NI_MAXSERV];
 364        struct sockaddr *paddr;
 365        socklen_t plen;
 366
 367        assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT);
 368
 369        chan = g_malloc0(sizeof(*chan));
 370
 371        paddr = (struct sockaddr *)&item->info->paddr_ext;
 372        plen = item->info->plen_ext;
 373        getnameinfo(paddr, plen,
 374                    host, sizeof(host), port, sizeof(port),
 375                    NI_NUMERICHOST | NI_NUMERICSERV);
 376        chan->host = g_strdup(host);
 377        chan->port = g_strdup(port);
 378        chan->family = inet_netfamily(paddr->sa_family);
 379
 380        chan->connection_id = item->info->connection_id;
 381        chan->channel_type = item->info->type;
 382        chan->channel_id = item->info->id;
 383        chan->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 384
 385        QAPI_LIST_APPEND(tail, chan);
 386    }
 387
 388    return head;
 389}
 390
 391static QemuOptsList qemu_spice_opts = {
 392    .name = "spice",
 393    .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
 394    .merge_lists = true,
 395    .desc = {
 396        {
 397            .name = "port",
 398            .type = QEMU_OPT_NUMBER,
 399        },{
 400            .name = "tls-port",
 401            .type = QEMU_OPT_NUMBER,
 402        },{
 403            .name = "addr",
 404            .type = QEMU_OPT_STRING,
 405        },{
 406            .name = "ipv4",
 407            .type = QEMU_OPT_BOOL,
 408        },{
 409            .name = "ipv6",
 410            .type = QEMU_OPT_BOOL,
 411#ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 412        },{
 413            .name = "unix",
 414            .type = QEMU_OPT_BOOL,
 415#endif
 416        },{
 417            .name = "password",
 418            .type = QEMU_OPT_STRING,
 419        },{
 420            .name = "password-secret",
 421            .type = QEMU_OPT_STRING,
 422        },{
 423            .name = "disable-ticketing",
 424            .type = QEMU_OPT_BOOL,
 425        },{
 426            .name = "disable-copy-paste",
 427            .type = QEMU_OPT_BOOL,
 428        },{
 429            .name = "disable-agent-file-xfer",
 430            .type = QEMU_OPT_BOOL,
 431        },{
 432            .name = "sasl",
 433            .type = QEMU_OPT_BOOL,
 434        },{
 435            .name = "x509-dir",
 436            .type = QEMU_OPT_STRING,
 437        },{
 438            .name = "x509-key-file",
 439            .type = QEMU_OPT_STRING,
 440        },{
 441            .name = "x509-key-password",
 442            .type = QEMU_OPT_STRING,
 443        },{
 444            .name = "x509-cert-file",
 445            .type = QEMU_OPT_STRING,
 446        },{
 447            .name = "x509-cacert-file",
 448            .type = QEMU_OPT_STRING,
 449        },{
 450            .name = "x509-dh-key-file",
 451            .type = QEMU_OPT_STRING,
 452        },{
 453            .name = "tls-ciphers",
 454            .type = QEMU_OPT_STRING,
 455        },{
 456            .name = "tls-channel",
 457            .type = QEMU_OPT_STRING,
 458        },{
 459            .name = "plaintext-channel",
 460            .type = QEMU_OPT_STRING,
 461        },{
 462            .name = "image-compression",
 463            .type = QEMU_OPT_STRING,
 464        },{
 465            .name = "jpeg-wan-compression",
 466            .type = QEMU_OPT_STRING,
 467        },{
 468            .name = "zlib-glz-wan-compression",
 469            .type = QEMU_OPT_STRING,
 470        },{
 471            .name = "streaming-video",
 472            .type = QEMU_OPT_STRING,
 473        },{
 474            .name = "agent-mouse",
 475            .type = QEMU_OPT_BOOL,
 476        },{
 477            .name = "playback-compression",
 478            .type = QEMU_OPT_BOOL,
 479        },{
 480            .name = "seamless-migration",
 481            .type = QEMU_OPT_BOOL,
 482        },{
 483            .name = "display",
 484            .type = QEMU_OPT_STRING,
 485        },{
 486            .name = "head",
 487            .type = QEMU_OPT_NUMBER,
 488#ifdef HAVE_SPICE_GL
 489        },{
 490            .name = "gl",
 491            .type = QEMU_OPT_BOOL,
 492        },{
 493            .name = "rendernode",
 494            .type = QEMU_OPT_STRING,
 495#endif
 496        },
 497        { /* end of list */ }
 498    },
 499};
 500
 501static SpiceInfo *qmp_query_spice_real(Error **errp)
 502{
 503    QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 504    int port, tls_port;
 505    const char *addr;
 506    SpiceInfo *info;
 507    unsigned int major;
 508    unsigned int minor;
 509    unsigned int micro;
 510
 511    info = g_malloc0(sizeof(*info));
 512
 513    if (!spice_server || !opts) {
 514        info->enabled = false;
 515        return info;
 516    }
 517
 518    info->enabled = true;
 519    info->migrated = spice_migration_completed;
 520
 521    addr = qemu_opt_get(opts, "addr");
 522    port = qemu_opt_get_number(opts, "port", 0);
 523    tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 524
 525    info->has_auth = true;
 526    info->auth = g_strdup(auth);
 527
 528    info->has_host = true;
 529    info->host = g_strdup(addr ? addr : "*");
 530
 531    info->has_compiled_version = true;
 532    major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
 533    minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
 534    micro = SPICE_SERVER_VERSION & 0xff;
 535    info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
 536
 537    if (port) {
 538        info->has_port = true;
 539        info->port = port;
 540    }
 541    if (tls_port) {
 542        info->has_tls_port = true;
 543        info->tls_port = tls_port;
 544    }
 545
 546    info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
 547                       SPICE_QUERY_MOUSE_MODE_SERVER :
 548                       SPICE_QUERY_MOUSE_MODE_CLIENT;
 549
 550    /* for compatibility with the original command */
 551    info->has_channels = true;
 552    info->channels = qmp_query_spice_channels();
 553
 554    return info;
 555}
 556
 557static void migration_state_notifier(Notifier *notifier, void *data)
 558{
 559    MigrationState *s = data;
 560
 561    if (!spice_have_target_host) {
 562        return;
 563    }
 564
 565    if (migration_in_setup(s)) {
 566        spice_server_migrate_start(spice_server);
 567    } else if (migration_has_finished(s) ||
 568               migration_in_postcopy_after_devices(s)) {
 569        spice_server_migrate_end(spice_server, true);
 570        spice_have_target_host = false;
 571    } else if (migration_has_failed(s)) {
 572        spice_server_migrate_end(spice_server, false);
 573        spice_have_target_host = false;
 574    }
 575}
 576
 577int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 578                            const char *subject)
 579{
 580    int ret;
 581
 582    ret = spice_server_migrate_connect(spice_server, hostname,
 583                                       port, tls_port, subject);
 584    spice_have_target_host = true;
 585    return ret;
 586}
 587
 588static int add_channel(void *opaque, const char *name, const char *value,
 589                       Error **errp)
 590{
 591    int security = 0;
 592    int rc;
 593
 594    if (strcmp(name, "tls-channel") == 0) {
 595        int *tls_port = opaque;
 596        if (!*tls_port) {
 597            error_setg(errp, "spice: tried to setup tls-channel"
 598                       " without specifying a TLS port");
 599            return -1;
 600        }
 601        security = SPICE_CHANNEL_SECURITY_SSL;
 602    }
 603    if (strcmp(name, "plaintext-channel") == 0) {
 604        security = SPICE_CHANNEL_SECURITY_NONE;
 605    }
 606    if (security == 0) {
 607        return 0;
 608    }
 609    if (strcmp(value, "default") == 0) {
 610        rc = spice_server_set_channel_security(spice_server, NULL, security);
 611    } else {
 612        rc = spice_server_set_channel_security(spice_server, value, security);
 613    }
 614    if (rc != 0) {
 615        error_setg(errp, "spice: failed to set channel security for %s",
 616                   value);
 617        return -1;
 618    }
 619    return 0;
 620}
 621
 622static void vm_change_state_handler(void *opaque, bool running,
 623                                    RunState state)
 624{
 625    if (running) {
 626        qemu_spice_display_start();
 627    } else if (state != RUN_STATE_PAUSED) {
 628        qemu_spice_display_stop();
 629    }
 630}
 631
 632void qemu_spice_display_init_done(void)
 633{
 634    if (runstate_is_running()) {
 635        qemu_spice_display_start();
 636    }
 637    qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 638}
 639
 640static void qemu_spice_init(void)
 641{
 642    QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 643    char *password = NULL;
 644    const char *passwordSecret;
 645    const char *str, *x509_dir, *addr,
 646        *x509_key_password = NULL,
 647        *x509_dh_file = NULL,
 648        *tls_ciphers = NULL;
 649    char *x509_key_file = NULL,
 650        *x509_cert_file = NULL,
 651        *x509_cacert_file = NULL;
 652    int port, tls_port, addr_flags;
 653    spice_image_compression_t compression;
 654    spice_wan_compression_t wan_compr;
 655    bool seamless_migration;
 656
 657    qemu_thread_get_self(&me);
 658
 659    if (!opts) {
 660        return;
 661    }
 662    port = qemu_opt_get_number(opts, "port", 0);
 663    tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 664    if (port < 0 || port > 65535) {
 665        error_report("spice port is out of range");
 666        exit(1);
 667    }
 668    if (tls_port < 0 || tls_port > 65535) {
 669        error_report("spice tls-port is out of range");
 670        exit(1);
 671    }
 672    passwordSecret = qemu_opt_get(opts, "password-secret");
 673    if (passwordSecret) {
 674        if (qemu_opt_get(opts, "password")) {
 675            error_report("'password' option is mutually exclusive with "
 676                         "'password-secret'");
 677            exit(1);
 678        }
 679        password = qcrypto_secret_lookup_as_utf8(passwordSecret,
 680                                                 &error_fatal);
 681    } else {
 682        str = qemu_opt_get(opts, "password");
 683        if (str) {
 684            warn_report("'password' option is deprecated and insecure, "
 685                        "use 'password-secret' instead");
 686            password = g_strdup(str);
 687        }
 688    }
 689
 690    if (tls_port) {
 691        x509_dir = qemu_opt_get(opts, "x509-dir");
 692        if (!x509_dir) {
 693            x509_dir = ".";
 694        }
 695
 696        str = qemu_opt_get(opts, "x509-key-file");
 697        if (str) {
 698            x509_key_file = g_strdup(str);
 699        } else {
 700            x509_key_file = g_strdup_printf("%s/%s", x509_dir,
 701                                            X509_SERVER_KEY_FILE);
 702        }
 703
 704        str = qemu_opt_get(opts, "x509-cert-file");
 705        if (str) {
 706            x509_cert_file = g_strdup(str);
 707        } else {
 708            x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
 709                                             X509_SERVER_CERT_FILE);
 710        }
 711
 712        str = qemu_opt_get(opts, "x509-cacert-file");
 713        if (str) {
 714            x509_cacert_file = g_strdup(str);
 715        } else {
 716            x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
 717                                               X509_CA_CERT_FILE);
 718        }
 719
 720        x509_key_password = qemu_opt_get(opts, "x509-key-password");
 721        x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
 722        tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
 723    }
 724
 725    addr = qemu_opt_get(opts, "addr");
 726    addr_flags = 0;
 727    if (qemu_opt_get_bool(opts, "ipv4", 0)) {
 728        addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
 729    } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
 730        addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
 731#ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 732    } else if (qemu_opt_get_bool(opts, "unix", 0)) {
 733        addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY;
 734#endif
 735    }
 736
 737    spice_server = spice_server_new();
 738    spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
 739    if (port) {
 740        spice_server_set_port(spice_server, port);
 741    }
 742    if (tls_port) {
 743        spice_server_set_tls(spice_server, tls_port,
 744                             x509_cacert_file,
 745                             x509_cert_file,
 746                             x509_key_file,
 747                             x509_key_password,
 748                             x509_dh_file,
 749                             tls_ciphers);
 750    }
 751    if (password) {
 752        qemu_spice.set_passwd(password, false, false);
 753    }
 754    if (qemu_opt_get_bool(opts, "sasl", 0)) {
 755        if (spice_server_set_sasl(spice_server, 1) == -1) {
 756            error_report("spice: failed to enable sasl");
 757            exit(1);
 758        }
 759        auth = "sasl";
 760    }
 761    if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 762        auth = "none";
 763        spice_server_set_noauth(spice_server);
 764    }
 765
 766    if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 767        spice_server_set_agent_copypaste(spice_server, false);
 768    }
 769
 770    if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
 771        spice_server_set_agent_file_xfer(spice_server, false);
 772    }
 773
 774    compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 775    str = qemu_opt_get(opts, "image-compression");
 776    if (str) {
 777        compression = parse_compression(str);
 778    }
 779    spice_server_set_image_compression(spice_server, compression);
 780
 781    wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 782    str = qemu_opt_get(opts, "jpeg-wan-compression");
 783    if (str) {
 784        wan_compr = parse_wan_compression(str);
 785    }
 786    spice_server_set_jpeg_compression(spice_server, wan_compr);
 787
 788    wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 789    str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 790    if (str) {
 791        wan_compr = parse_wan_compression(str);
 792    }
 793    spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 794
 795    str = qemu_opt_get(opts, "streaming-video");
 796    if (str) {
 797        int streaming_video = parse_stream_video(str);
 798        spice_server_set_streaming_video(spice_server, streaming_video);
 799    } else {
 800        spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
 801    }
 802
 803    spice_server_set_agent_mouse
 804        (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 805    spice_server_set_playback_compression
 806        (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 807
 808    qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal);
 809
 810    spice_server_set_name(spice_server, qemu_name ?: "QEMU " QEMU_VERSION);
 811    spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid);
 812
 813    seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
 814    spice_server_set_seamless_migration(spice_server, seamless_migration);
 815    spice_server_set_sasl_appname(spice_server, "qemu");
 816    if (spice_server_init(spice_server, &core_interface) != 0) {
 817        error_report("failed to initialize spice server");
 818        exit(1);
 819    };
 820    using_spice = 1;
 821
 822    migration_state.notify = migration_state_notifier;
 823    add_migration_state_change_notifier(&migration_state);
 824    spice_migrate.base.sif = &migrate_interface.base;
 825    qemu_spice.add_interface(&spice_migrate.base);
 826
 827    qemu_spice_input_init();
 828
 829    qemu_spice_display_stop();
 830
 831    g_free(x509_key_file);
 832    g_free(x509_cert_file);
 833    g_free(x509_cacert_file);
 834    g_free(password);
 835
 836#ifdef HAVE_SPICE_GL
 837    if (qemu_opt_get_bool(opts, "gl", 0)) {
 838        if ((port != 0) || (tls_port != 0)) {
 839            error_report("SPICE GL support is local-only for now and "
 840                         "incompatible with -spice port/tls-port");
 841            exit(1);
 842        }
 843        if (egl_rendernode_init(qemu_opt_get(opts, "rendernode"),
 844                                DISPLAYGL_MODE_ON) != 0) {
 845            error_report("Failed to initialize EGL render node for SPICE GL");
 846            exit(1);
 847        }
 848        display_opengl = 1;
 849        spice_opengl = 1;
 850    }
 851#endif
 852}
 853
 854static int qemu_spice_add_interface(SpiceBaseInstance *sin)
 855{
 856    if (!spice_server) {
 857        if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 858            error_report("Oops: spice configured but not active");
 859            exit(1);
 860        }
 861        /*
 862         * Create a spice server instance.
 863         * It does *not* listen on the network.
 864         * It handles QXL local rendering only.
 865         *
 866         * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 867         */
 868        spice_server = spice_server_new();
 869        spice_server_set_sasl_appname(spice_server, "qemu");
 870        spice_server_init(spice_server, &core_interface);
 871        qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 872    }
 873
 874    return spice_server_add_interface(spice_server, sin);
 875}
 876
 877static GSList *spice_consoles;
 878
 879bool qemu_spice_have_display_interface(QemuConsole *con)
 880{
 881    if (g_slist_find(spice_consoles, con)) {
 882        return true;
 883    }
 884    return false;
 885}
 886
 887int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
 888{
 889    if (g_slist_find(spice_consoles, con)) {
 890        return -1;
 891    }
 892    qxlin->id = qemu_console_get_index(con);
 893    spice_consoles = g_slist_append(spice_consoles, con);
 894    return qemu_spice_add_interface(&qxlin->base);
 895}
 896
 897static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 898{
 899    time_t lifetime, now = time(NULL);
 900    char *passwd;
 901
 902    if (now < auth_expires) {
 903        passwd = auth_passwd;
 904        lifetime = (auth_expires - now);
 905        if (lifetime > INT_MAX) {
 906            lifetime = INT_MAX;
 907        }
 908    } else {
 909        passwd = NULL;
 910        lifetime = 1;
 911    }
 912    return spice_server_set_ticket(spice_server, passwd, lifetime,
 913                                   fail_if_conn, disconnect_if_conn);
 914}
 915
 916static int qemu_spice_set_passwd(const char *passwd,
 917                                 bool fail_if_conn, bool disconnect_if_conn)
 918{
 919    if (strcmp(auth, "spice") != 0) {
 920        return -1;
 921    }
 922
 923    g_free(auth_passwd);
 924    auth_passwd = g_strdup(passwd);
 925    return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 926}
 927
 928static int qemu_spice_set_pw_expire(time_t expires)
 929{
 930    auth_expires = expires;
 931    return qemu_spice_set_ticket(false, false);
 932}
 933
 934static int qemu_spice_display_add_client(int csock, int skipauth, int tls)
 935{
 936    if (tls) {
 937        return spice_server_add_ssl_client(spice_server, csock, skipauth);
 938    } else {
 939        return spice_server_add_client(spice_server, csock, skipauth);
 940    }
 941}
 942
 943void qemu_spice_display_start(void)
 944{
 945    if (spice_display_is_running) {
 946        return;
 947    }
 948
 949    spice_display_is_running = true;
 950    spice_server_vm_start(spice_server);
 951}
 952
 953void qemu_spice_display_stop(void)
 954{
 955    if (!spice_display_is_running) {
 956        return;
 957    }
 958
 959    spice_server_vm_stop(spice_server);
 960    spice_display_is_running = false;
 961}
 962
 963int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
 964{
 965    return spice_display_is_running;
 966}
 967
 968static struct QemuSpiceOps real_spice_ops = {
 969    .init         = qemu_spice_init,
 970    .display_init = qemu_spice_display_init,
 971    .migrate_info = qemu_spice_migrate_info,
 972    .set_passwd   = qemu_spice_set_passwd,
 973    .set_pw_expire = qemu_spice_set_pw_expire,
 974    .display_add_client = qemu_spice_display_add_client,
 975    .add_interface = qemu_spice_add_interface,
 976    .qmp_query = qmp_query_spice_real,
 977};
 978
 979static void spice_register_config(void)
 980{
 981    qemu_spice = real_spice_ops;
 982    qemu_add_opts(&qemu_spice_opts);
 983}
 984opts_init(spice_register_config);
 985module_opts("spice");
 986
 987#ifdef HAVE_SPICE_GL
 988module_dep("ui-opengl");
 989#endif
 990