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 "migration/misc.h"
  38#include "hw/pci/pci_bus.h"
  39#include "ui/spice-display.h"
  40
  41/* core bits */
  42
  43static SpiceServer *spice_server;
  44static Notifier migration_state;
  45static const char *auth = "spice";
  46static char *auth_passwd;
  47static time_t auth_expires = TIME_MAX;
  48static int spice_migration_completed;
  49static int spice_display_is_running;
  50static int spice_have_target_host;
  51int using_spice = 0;
  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_del(timer->timer);
  81    timer_free(timer->timer);
  82    g_free(timer);
  83}
  84
  85struct SpiceWatch {
  86    int fd;
  87    SpiceWatchFunc func;
  88    void *opaque;
  89};
  90
  91static void watch_read(void *opaque)
  92{
  93    SpiceWatch *watch = opaque;
  94    watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
  95}
  96
  97static void watch_write(void *opaque)
  98{
  99    SpiceWatch *watch = opaque;
 100    watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
 101}
 102
 103static void watch_update_mask(SpiceWatch *watch, int event_mask)
 104{
 105    IOHandler *on_read = NULL;
 106    IOHandler *on_write = NULL;
 107
 108    if (event_mask & SPICE_WATCH_EVENT_READ) {
 109        on_read = watch_read;
 110    }
 111    if (event_mask & SPICE_WATCH_EVENT_WRITE) {
 112        on_write = watch_write;
 113    }
 114    qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
 115}
 116
 117static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 118{
 119    SpiceWatch *watch;
 120
 121    watch = g_malloc0(sizeof(*watch));
 122    watch->fd     = fd;
 123    watch->func   = func;
 124    watch->opaque = opaque;
 125
 126    watch_update_mask(watch, event_mask);
 127    return watch;
 128}
 129
 130static void watch_remove(SpiceWatch *watch)
 131{
 132    qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
 133    g_free(watch);
 134}
 135
 136typedef struct ChannelList ChannelList;
 137struct ChannelList {
 138    SpiceChannelEventInfo *info;
 139    QTAILQ_ENTRY(ChannelList) link;
 140};
 141static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
 142
 143static void channel_list_add(SpiceChannelEventInfo *info)
 144{
 145    ChannelList *item;
 146
 147    item = g_malloc0(sizeof(*item));
 148    item->info = info;
 149    QTAILQ_INSERT_TAIL(&channel_list, item, link);
 150}
 151
 152static void channel_list_del(SpiceChannelEventInfo *info)
 153{
 154    ChannelList *item;
 155
 156    QTAILQ_FOREACH(item, &channel_list, link) {
 157        if (item->info != info) {
 158            continue;
 159        }
 160        QTAILQ_REMOVE(&channel_list, item, link);
 161        g_free(item);
 162        return;
 163    }
 164}
 165
 166static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
 167{
 168    char host[NI_MAXHOST], port[NI_MAXSERV];
 169
 170    getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
 171                NI_NUMERICHOST | NI_NUMERICSERV);
 172
 173    info->host = g_strdup(host);
 174    info->port = g_strdup(port);
 175    info->family = inet_netfamily(addr->sa_family);
 176}
 177
 178static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
 179{
 180    int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 181
 182    sc->connection_id = info->connection_id;
 183    sc->channel_type = info->type;
 184    sc->channel_id = info->id;
 185    sc->tls = !!tls;
 186}
 187
 188static void channel_event(int event, SpiceChannelEventInfo *info)
 189{
 190    SpiceServerInfo *server = g_malloc0(sizeof(*server));
 191    SpiceChannel *client = g_malloc0(sizeof(*client));
 192
 193    /*
 194     * Spice server might have called us from spice worker thread
 195     * context (happens on display channel disconnects).  Spice should
 196     * not do that.  It isn't that easy to fix it in spice and even
 197     * when it is fixed we still should cover the already released
 198     * spice versions.  So detect that we've been called from another
 199     * thread and grab the iothread lock if so before calling qemu
 200     * functions.
 201     */
 202    bool need_lock = !qemu_thread_is_self(&me);
 203    if (need_lock) {
 204        qemu_mutex_lock_iothread();
 205    }
 206
 207    if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 208        add_addr_info(qapi_SpiceChannel_base(client),
 209                      (struct sockaddr *)&info->paddr_ext,
 210                      info->plen_ext);
 211        add_addr_info(qapi_SpiceServerInfo_base(server),
 212                      (struct sockaddr *)&info->laddr_ext,
 213                      info->llen_ext);
 214    } else {
 215        error_report("spice: %s, extended address is expected",
 216                     __func__);
 217    }
 218
 219    switch (event) {
 220    case SPICE_CHANNEL_EVENT_CONNECTED:
 221        qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server),
 222                                        qapi_SpiceChannel_base(client));
 223        break;
 224    case SPICE_CHANNEL_EVENT_INITIALIZED:
 225        if (auth) {
 226            server->has_auth = true;
 227            server->auth = g_strdup(auth);
 228        }
 229        add_channel_info(client, info);
 230        channel_list_add(info);
 231        qapi_event_send_spice_initialized(server, client);
 232        break;
 233    case SPICE_CHANNEL_EVENT_DISCONNECTED:
 234        channel_list_del(info);
 235        qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server),
 236                                           qapi_SpiceChannel_base(client));
 237        break;
 238    default:
 239        break;
 240    }
 241
 242    if (need_lock) {
 243        qemu_mutex_unlock_iothread();
 244    }
 245
 246    qapi_free_SpiceServerInfo(server);
 247    qapi_free_SpiceChannel(client);
 248}
 249
 250static SpiceCoreInterface core_interface = {
 251    .base.type          = SPICE_INTERFACE_CORE,
 252    .base.description   = "qemu core services",
 253    .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
 254    .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
 255
 256    .timer_add          = timer_add,
 257    .timer_start        = timer_start,
 258    .timer_cancel       = timer_cancel,
 259    .timer_remove       = timer_remove,
 260
 261    .watch_add          = watch_add,
 262    .watch_update_mask  = watch_update_mask,
 263    .watch_remove       = watch_remove,
 264
 265    .channel_event      = channel_event,
 266};
 267
 268static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
 269static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
 270
 271static const SpiceMigrateInterface migrate_interface = {
 272    .base.type = SPICE_INTERFACE_MIGRATION,
 273    .base.description = "migration",
 274    .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
 275    .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
 276    .migrate_connect_complete = migrate_connect_complete_cb,
 277    .migrate_end_complete = migrate_end_complete_cb,
 278};
 279
 280static SpiceMigrateInstance spice_migrate;
 281
 282static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
 283{
 284    /* nothing, but libspice-server expects this cb being present. */
 285}
 286
 287static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
 288{
 289    qapi_event_send_spice_migrate_completed();
 290    spice_migration_completed = true;
 291}
 292
 293/* config string parsing */
 294
 295static int name2enum(const char *string, const char *table[], int entries)
 296{
 297    int i;
 298
 299    if (string) {
 300        for (i = 0; i < entries; i++) {
 301            if (!table[i]) {
 302                continue;
 303            }
 304            if (strcmp(string, table[i]) != 0) {
 305                continue;
 306            }
 307            return i;
 308        }
 309    }
 310    return -1;
 311}
 312
 313static int parse_name(const char *string, const char *optname,
 314                      const char *table[], int entries)
 315{
 316    int value = name2enum(string, table, entries);
 317
 318    if (value != -1) {
 319        return value;
 320    }
 321    error_report("spice: invalid %s: %s", optname, string);
 322    exit(1);
 323}
 324
 325static const char *stream_video_names[] = {
 326    [ SPICE_STREAM_VIDEO_OFF ]    = "off",
 327    [ SPICE_STREAM_VIDEO_ALL ]    = "all",
 328    [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
 329};
 330#define parse_stream_video(_name) \
 331    parse_name(_name, "stream video control", \
 332               stream_video_names, ARRAY_SIZE(stream_video_names))
 333
 334static const char *compression_names[] = {
 335    [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
 336    [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
 337    [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
 338    [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
 339    [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
 340    [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
 341};
 342#define parse_compression(_name)                                        \
 343    parse_name(_name, "image compression",                              \
 344               compression_names, ARRAY_SIZE(compression_names))
 345
 346static const char *wan_compression_names[] = {
 347    [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
 348    [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
 349    [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
 350};
 351#define parse_wan_compression(_name)                                    \
 352    parse_name(_name, "wan compression",                                \
 353               wan_compression_names, ARRAY_SIZE(wan_compression_names))
 354
 355/* functions for the rest of qemu */
 356
 357static SpiceChannelList *qmp_query_spice_channels(void)
 358{
 359    SpiceChannelList *cur_item = NULL, *head = NULL;
 360    ChannelList *item;
 361
 362    QTAILQ_FOREACH(item, &channel_list, link) {
 363        SpiceChannelList *chan;
 364        char host[NI_MAXHOST], port[NI_MAXSERV];
 365        struct sockaddr *paddr;
 366        socklen_t plen;
 367
 368        assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT);
 369
 370        chan = g_malloc0(sizeof(*chan));
 371        chan->value = g_malloc0(sizeof(*chan->value));
 372
 373        paddr = (struct sockaddr *)&item->info->paddr_ext;
 374        plen = item->info->plen_ext;
 375        getnameinfo(paddr, plen,
 376                    host, sizeof(host), port, sizeof(port),
 377                    NI_NUMERICHOST | NI_NUMERICSERV);
 378        chan->value->host = g_strdup(host);
 379        chan->value->port = g_strdup(port);
 380        chan->value->family = inet_netfamily(paddr->sa_family);
 381
 382        chan->value->connection_id = item->info->connection_id;
 383        chan->value->channel_type = item->info->type;
 384        chan->value->channel_id = item->info->id;
 385        chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 386
 387       /* XXX: waiting for the qapi to support GSList */
 388        if (!cur_item) {
 389            head = cur_item = chan;
 390        } else {
 391            cur_item->next = chan;
 392            cur_item = chan;
 393        }
 394    }
 395
 396    return head;
 397}
 398
 399static QemuOptsList qemu_spice_opts = {
 400    .name = "spice",
 401    .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
 402    .merge_lists = true,
 403    .desc = {
 404        {
 405            .name = "port",
 406            .type = QEMU_OPT_NUMBER,
 407        },{
 408            .name = "tls-port",
 409            .type = QEMU_OPT_NUMBER,
 410        },{
 411            .name = "addr",
 412            .type = QEMU_OPT_STRING,
 413        },{
 414            .name = "ipv4",
 415            .type = QEMU_OPT_BOOL,
 416        },{
 417            .name = "ipv6",
 418            .type = QEMU_OPT_BOOL,
 419#ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 420        },{
 421            .name = "unix",
 422            .type = QEMU_OPT_BOOL,
 423#endif
 424        },{
 425            .name = "password",
 426            .type = QEMU_OPT_STRING,
 427        },{
 428            .name = "disable-ticketing",
 429            .type = QEMU_OPT_BOOL,
 430        },{
 431            .name = "disable-copy-paste",
 432            .type = QEMU_OPT_BOOL,
 433        },{
 434            .name = "disable-agent-file-xfer",
 435            .type = QEMU_OPT_BOOL,
 436        },{
 437            .name = "sasl",
 438            .type = QEMU_OPT_BOOL,
 439        },{
 440            .name = "x509-dir",
 441            .type = QEMU_OPT_STRING,
 442        },{
 443            .name = "x509-key-file",
 444            .type = QEMU_OPT_STRING,
 445        },{
 446            .name = "x509-key-password",
 447            .type = QEMU_OPT_STRING,
 448        },{
 449            .name = "x509-cert-file",
 450            .type = QEMU_OPT_STRING,
 451        },{
 452            .name = "x509-cacert-file",
 453            .type = QEMU_OPT_STRING,
 454        },{
 455            .name = "x509-dh-key-file",
 456            .type = QEMU_OPT_STRING,
 457        },{
 458            .name = "tls-ciphers",
 459            .type = QEMU_OPT_STRING,
 460        },{
 461            .name = "tls-channel",
 462            .type = QEMU_OPT_STRING,
 463        },{
 464            .name = "plaintext-channel",
 465            .type = QEMU_OPT_STRING,
 466        },{
 467            .name = "image-compression",
 468            .type = QEMU_OPT_STRING,
 469        },{
 470            .name = "jpeg-wan-compression",
 471            .type = QEMU_OPT_STRING,
 472        },{
 473            .name = "zlib-glz-wan-compression",
 474            .type = QEMU_OPT_STRING,
 475        },{
 476            .name = "streaming-video",
 477            .type = QEMU_OPT_STRING,
 478        },{
 479            .name = "agent-mouse",
 480            .type = QEMU_OPT_BOOL,
 481        },{
 482            .name = "playback-compression",
 483            .type = QEMU_OPT_BOOL,
 484        },{
 485            .name = "seamless-migration",
 486            .type = QEMU_OPT_BOOL,
 487        },{
 488            .name = "display",
 489            .type = QEMU_OPT_STRING,
 490        },{
 491            .name = "head",
 492            .type = QEMU_OPT_NUMBER,
 493#ifdef HAVE_SPICE_GL
 494        },{
 495            .name = "gl",
 496            .type = QEMU_OPT_BOOL,
 497        },{
 498            .name = "rendernode",
 499            .type = QEMU_OPT_STRING,
 500#endif
 501        },
 502        { /* end of list */ }
 503    },
 504};
 505
 506SpiceInfo *qmp_query_spice(Error **errp)
 507{
 508    QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 509    int port, tls_port;
 510    const char *addr;
 511    SpiceInfo *info;
 512    unsigned int major;
 513    unsigned int minor;
 514    unsigned int micro;
 515
 516    info = g_malloc0(sizeof(*info));
 517
 518    if (!spice_server || !opts) {
 519        info->enabled = false;
 520        return info;
 521    }
 522
 523    info->enabled = true;
 524    info->migrated = spice_migration_completed;
 525
 526    addr = qemu_opt_get(opts, "addr");
 527    port = qemu_opt_get_number(opts, "port", 0);
 528    tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 529
 530    info->has_auth = true;
 531    info->auth = g_strdup(auth);
 532
 533    info->has_host = true;
 534    info->host = g_strdup(addr ? addr : "*");
 535
 536    info->has_compiled_version = true;
 537    major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
 538    minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
 539    micro = SPICE_SERVER_VERSION & 0xff;
 540    info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
 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
 562static void migration_state_notifier(Notifier *notifier, void *data)
 563{
 564    MigrationState *s = data;
 565
 566    if (!spice_have_target_host) {
 567        return;
 568    }
 569
 570    if (migration_in_setup(s)) {
 571        spice_server_migrate_start(spice_server);
 572    } else if (migration_has_finished(s) ||
 573               migration_in_postcopy_after_devices(s)) {
 574        spice_server_migrate_end(spice_server, true);
 575        spice_have_target_host = false;
 576    } else if (migration_has_failed(s)) {
 577        spice_server_migrate_end(spice_server, false);
 578        spice_have_target_host = false;
 579    }
 580}
 581
 582int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 583                            const char *subject)
 584{
 585    int ret;
 586
 587    ret = spice_server_migrate_connect(spice_server, hostname,
 588                                       port, tls_port, subject);
 589    spice_have_target_host = true;
 590    return ret;
 591}
 592
 593static int add_channel(void *opaque, const char *name, const char *value,
 594                       Error **errp)
 595{
 596    int security = 0;
 597    int rc;
 598
 599    if (strcmp(name, "tls-channel") == 0) {
 600        int *tls_port = opaque;
 601        if (!*tls_port) {
 602            error_setg(errp, "spice: tried to setup tls-channel"
 603                       " without specifying a TLS port");
 604            return -1;
 605        }
 606        security = SPICE_CHANNEL_SECURITY_SSL;
 607    }
 608    if (strcmp(name, "plaintext-channel") == 0) {
 609        security = SPICE_CHANNEL_SECURITY_NONE;
 610    }
 611    if (security == 0) {
 612        return 0;
 613    }
 614    if (strcmp(value, "default") == 0) {
 615        rc = spice_server_set_channel_security(spice_server, NULL, security);
 616    } else {
 617        rc = spice_server_set_channel_security(spice_server, value, security);
 618    }
 619    if (rc != 0) {
 620        error_setg(errp, "spice: failed to set channel security for %s",
 621                   value);
 622        return -1;
 623    }
 624    return 0;
 625}
 626
 627static void vm_change_state_handler(void *opaque, int running,
 628                                    RunState state)
 629{
 630    if (running) {
 631        qemu_spice_display_start();
 632    } else if (state != RUN_STATE_PAUSED) {
 633        qemu_spice_display_stop();
 634    }
 635}
 636
 637void qemu_spice_init(void)
 638{
 639    QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 640    const char *password, *str, *x509_dir, *addr,
 641        *x509_key_password = NULL,
 642        *x509_dh_file = NULL,
 643        *tls_ciphers = NULL;
 644    char *x509_key_file = NULL,
 645        *x509_cert_file = NULL,
 646        *x509_cacert_file = NULL;
 647    int port, tls_port, addr_flags;
 648    spice_image_compression_t compression;
 649    spice_wan_compression_t wan_compr;
 650    bool seamless_migration;
 651
 652    qemu_thread_get_self(&me);
 653
 654    if (!opts) {
 655        return;
 656    }
 657    port = qemu_opt_get_number(opts, "port", 0);
 658    tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 659    if (port < 0 || port > 65535) {
 660        error_report("spice port is out of range");
 661        exit(1);
 662    }
 663    if (tls_port < 0 || tls_port > 65535) {
 664        error_report("spice tls-port is out of range");
 665        exit(1);
 666    }
 667    password = qemu_opt_get(opts, "password");
 668
 669    if (tls_port) {
 670        x509_dir = qemu_opt_get(opts, "x509-dir");
 671        if (!x509_dir) {
 672            x509_dir = ".";
 673        }
 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_strdup_printf("%s/%s", x509_dir,
 680                                            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_strdup_printf("%s/%s", x509_dir,
 688                                             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_strdup_printf("%s/%s", x509_dir,
 696                                               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#ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 711    } else if (qemu_opt_get_bool(opts, "unix", 0)) {
 712        addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY;
 713#endif
 714    }
 715
 716    spice_server = spice_server_new();
 717    spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
 718    if (port) {
 719        spice_server_set_port(spice_server, port);
 720    }
 721    if (tls_port) {
 722        spice_server_set_tls(spice_server, tls_port,
 723                             x509_cacert_file,
 724                             x509_cert_file,
 725                             x509_key_file,
 726                             x509_key_password,
 727                             x509_dh_file,
 728                             tls_ciphers);
 729    }
 730    if (password) {
 731        qemu_spice_set_passwd(password, false, false);
 732    }
 733    if (qemu_opt_get_bool(opts, "sasl", 0)) {
 734        if (spice_server_set_sasl(spice_server, 1) == -1) {
 735            error_report("spice: failed to enable sasl");
 736            exit(1);
 737        }
 738        auth = "sasl";
 739    }
 740    if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 741        auth = "none";
 742        spice_server_set_noauth(spice_server);
 743    }
 744
 745    if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 746        spice_server_set_agent_copypaste(spice_server, false);
 747    }
 748
 749    if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
 750        spice_server_set_agent_file_xfer(spice_server, false);
 751    }
 752
 753    compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 754    str = qemu_opt_get(opts, "image-compression");
 755    if (str) {
 756        compression = parse_compression(str);
 757    }
 758    spice_server_set_image_compression(spice_server, compression);
 759
 760    wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 761    str = qemu_opt_get(opts, "jpeg-wan-compression");
 762    if (str) {
 763        wan_compr = parse_wan_compression(str);
 764    }
 765    spice_server_set_jpeg_compression(spice_server, wan_compr);
 766
 767    wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 768    str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 769    if (str) {
 770        wan_compr = parse_wan_compression(str);
 771    }
 772    spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 773
 774    str = qemu_opt_get(opts, "streaming-video");
 775    if (str) {
 776        int streaming_video = parse_stream_video(str);
 777        spice_server_set_streaming_video(spice_server, streaming_video);
 778    } else {
 779        spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
 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, &error_fatal);
 788
 789    spice_server_set_name(spice_server, qemu_name ?: "QEMU " QEMU_VERSION);
 790    spice_server_set_uuid(spice_server, (unsigned char *)&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    spice_server_set_sasl_appname(spice_server, "qemu");
 795    if (spice_server_init(spice_server, &core_interface) != 0) {
 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.base.sif = &migrate_interface.base;
 804    qemu_spice_add_interface(&spice_migrate.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    qemu_spice_display_stop();
 811
 812    g_free(x509_key_file);
 813    g_free(x509_cert_file);
 814    g_free(x509_cacert_file);
 815
 816    qemu_spice_register_ports();
 817
 818#ifdef HAVE_SPICE_GL
 819    if (qemu_opt_get_bool(opts, "gl", 0)) {
 820        if ((port != 0) || (tls_port != 0)) {
 821            error_report("SPICE GL support is local-only for now and "
 822                         "incompatible with -spice port/tls-port");
 823            exit(1);
 824        }
 825        if (egl_rendernode_init(qemu_opt_get(opts, "rendernode"),
 826                                DISPLAYGL_MODE_ON) != 0) {
 827            error_report("Failed to initialize EGL render node for SPICE GL");
 828            exit(1);
 829        }
 830        display_opengl = 1;
 831        spice_opengl = 1;
 832    }
 833#endif
 834}
 835
 836int qemu_spice_add_interface(SpiceBaseInstance *sin)
 837{
 838    if (!spice_server) {
 839        if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 840            error_report("Oops: spice configured but not active");
 841            exit(1);
 842        }
 843        /*
 844         * Create a spice server instance.
 845         * It does *not* listen on the network.
 846         * It handles QXL local rendering only.
 847         *
 848         * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 849         */
 850        spice_server = spice_server_new();
 851        spice_server_set_sasl_appname(spice_server, "qemu");
 852        spice_server_init(spice_server, &core_interface);
 853        qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 854    }
 855
 856    return spice_server_add_interface(spice_server, sin);
 857}
 858
 859static GSList *spice_consoles;
 860
 861bool qemu_spice_have_display_interface(QemuConsole *con)
 862{
 863    if (g_slist_find(spice_consoles, con)) {
 864        return true;
 865    }
 866    return false;
 867}
 868
 869/*
 870 * Recursively (in reverse order) appends addresses of PCI devices as it moves
 871 * up in the PCI hierarchy.
 872 *
 873 * @returns true on success, false when the buffer wasn't large enough
 874 */
 875static bool append_pci_address(char *buf, size_t buf_size, const PCIDevice *pci)
 876{
 877    PCIBus *bus = pci_get_bus(pci);
 878    /*
 879     * equivalent to if (!pci_bus_is_root(bus)), but the function is not built
 880     * with PCI_CONFIG=n, avoid using an #ifdef by checking directly
 881     */
 882    if (bus->parent_dev != NULL) {
 883        append_pci_address(buf, buf_size, bus->parent_dev);
 884    }
 885
 886    size_t len = strlen(buf);
 887    ssize_t written = snprintf(buf + len, buf_size - len, "/%02x.%x",
 888        PCI_SLOT(pci->devfn), PCI_FUNC(pci->devfn));
 889
 890    return written > 0 && written < buf_size - len;
 891}
 892
 893bool qemu_spice_fill_device_address(QemuConsole *con,
 894                                    char *device_address,
 895                                    size_t size)
 896{
 897    DeviceState *dev = DEVICE(object_property_get_link(OBJECT(con),
 898                                                       "device",
 899                                                       &error_abort));
 900    PCIDevice *pci = (PCIDevice *) object_dynamic_cast(OBJECT(dev),
 901                                                       TYPE_PCI_DEVICE);
 902
 903    if (pci == NULL) {
 904        warn_report("Setting device address of a display device to SPICE: "
 905                    "Not a PCI device.");
 906        return false;
 907    }
 908
 909    strncpy(device_address, "pci/0000", size);
 910    if (!append_pci_address(device_address, size, pci)) {
 911        warn_report("Setting device address of a display device to SPICE: "
 912            "Too many PCI devices in the chain.");
 913        return false;
 914    }
 915
 916    return true;
 917}
 918
 919int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
 920{
 921    if (g_slist_find(spice_consoles, con)) {
 922        return -1;
 923    }
 924    qxlin->id = qemu_console_get_index(con);
 925    spice_consoles = g_slist_append(spice_consoles, con);
 926    return qemu_spice_add_interface(&qxlin->base);
 927}
 928
 929static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 930{
 931    time_t lifetime, now = time(NULL);
 932    char *passwd;
 933
 934    if (now < auth_expires) {
 935        passwd = auth_passwd;
 936        lifetime = (auth_expires - now);
 937        if (lifetime > INT_MAX) {
 938            lifetime = INT_MAX;
 939        }
 940    } else {
 941        passwd = NULL;
 942        lifetime = 1;
 943    }
 944    return spice_server_set_ticket(spice_server, passwd, lifetime,
 945                                   fail_if_conn, disconnect_if_conn);
 946}
 947
 948int qemu_spice_set_passwd(const char *passwd,
 949                          bool fail_if_conn, bool disconnect_if_conn)
 950{
 951    if (strcmp(auth, "spice") != 0) {
 952        return -1;
 953    }
 954
 955    g_free(auth_passwd);
 956    auth_passwd = g_strdup(passwd);
 957    return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 958}
 959
 960int qemu_spice_set_pw_expire(time_t expires)
 961{
 962    auth_expires = expires;
 963    return qemu_spice_set_ticket(false, false);
 964}
 965
 966int qemu_spice_display_add_client(int csock, int skipauth, int tls)
 967{
 968    if (tls) {
 969        return spice_server_add_ssl_client(spice_server, csock, skipauth);
 970    } else {
 971        return spice_server_add_client(spice_server, csock, skipauth);
 972    }
 973}
 974
 975void qemu_spice_display_start(void)
 976{
 977    if (spice_display_is_running) {
 978        return;
 979    }
 980
 981    spice_display_is_running = true;
 982    spice_server_vm_start(spice_server);
 983}
 984
 985void qemu_spice_display_stop(void)
 986{
 987    if (!spice_display_is_running) {
 988        return;
 989    }
 990
 991    spice_server_vm_stop(spice_server);
 992    spice_display_is_running = false;
 993}
 994
 995int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
 996{
 997    return spice_display_is_running;
 998}
 999
1000static void spice_register_config(void)
1001{
1002    qemu_add_opts(&qemu_spice_opts);
1003}
1004opts_init(spice_register_config);
1005