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 <netdb.h>
  22#include "sysemu/sysemu.h"
  23
  24#include "qemu-common.h"
  25#include "ui/qemu-spice.h"
  26#include "qemu/error-report.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 "qmp-commands.h"
  33#include "qapi/qmp/qint.h"
  34#include "qapi/qmp/qbool.h"
  35#include "qapi/qmp/qstring.h"
  36#include "qapi/qmp/qjson.h"
  37#include "qemu/notify.h"
  38#include "migration/migration.h"
  39#include "hw/hw.h"
  40#include "ui/spice-display.h"
  41#include "qapi-event.h"
  42
  43/* core bits */
  44
  45static SpiceServer *spice_server;
  46static Notifier migration_state;
  47static const char *auth = "spice";
  48static char *auth_passwd;
  49static time_t auth_expires = TIME_MAX;
  50static int spice_migration_completed;
  51static int spice_display_is_running;
  52static int spice_have_target_host;
  53int using_spice = 0;
  54
  55static QemuThread me;
  56
  57struct SpiceTimer {
  58    QEMUTimer *timer;
  59    QTAILQ_ENTRY(SpiceTimer) next;
  60};
  61static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
  62
  63static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
  64{
  65    SpiceTimer *timer;
  66
  67    timer = g_malloc0(sizeof(*timer));
  68    timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
  69    QTAILQ_INSERT_TAIL(&timers, timer, next);
  70    return timer;
  71}
  72
  73static void timer_start(SpiceTimer *timer, uint32_t ms)
  74{
  75    timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
  76}
  77
  78static void timer_cancel(SpiceTimer *timer)
  79{
  80    timer_del(timer->timer);
  81}
  82
  83static void timer_remove(SpiceTimer *timer)
  84{
  85    timer_del(timer->timer);
  86    timer_free(timer->timer);
  87    QTAILQ_REMOVE(&timers, timer, next);
  88    g_free(timer);
  89}
  90
  91struct SpiceWatch {
  92    int fd;
  93    int event_mask;
  94    SpiceWatchFunc func;
  95    void *opaque;
  96    QTAILQ_ENTRY(SpiceWatch) next;
  97};
  98static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
  99
 100static void watch_read(void *opaque)
 101{
 102    SpiceWatch *watch = opaque;
 103    watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
 104}
 105
 106static void watch_write(void *opaque)
 107{
 108    SpiceWatch *watch = opaque;
 109    watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
 110}
 111
 112static void watch_update_mask(SpiceWatch *watch, int event_mask)
 113{
 114    IOHandler *on_read = NULL;
 115    IOHandler *on_write = NULL;
 116
 117    watch->event_mask = event_mask;
 118    if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
 119        on_read = watch_read;
 120    }
 121    if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
 122        on_write = watch_write;
 123    }
 124    qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
 125}
 126
 127static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 128{
 129    SpiceWatch *watch;
 130
 131    watch = g_malloc0(sizeof(*watch));
 132    watch->fd     = fd;
 133    watch->func   = func;
 134    watch->opaque = opaque;
 135    QTAILQ_INSERT_TAIL(&watches, watch, next);
 136
 137    watch_update_mask(watch, event_mask);
 138    return watch;
 139}
 140
 141static void watch_remove(SpiceWatch *watch)
 142{
 143    qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
 144    QTAILQ_REMOVE(&watches, watch, next);
 145    g_free(watch);
 146}
 147
 148typedef struct ChannelList ChannelList;
 149struct ChannelList {
 150    SpiceChannelEventInfo *info;
 151    QTAILQ_ENTRY(ChannelList) link;
 152};
 153static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
 154
 155static void channel_list_add(SpiceChannelEventInfo *info)
 156{
 157    ChannelList *item;
 158
 159    item = g_malloc0(sizeof(*item));
 160    item->info = info;
 161    QTAILQ_INSERT_TAIL(&channel_list, item, link);
 162}
 163
 164static void channel_list_del(SpiceChannelEventInfo *info)
 165{
 166    ChannelList *item;
 167
 168    QTAILQ_FOREACH(item, &channel_list, link) {
 169        if (item->info != info) {
 170            continue;
 171        }
 172        QTAILQ_REMOVE(&channel_list, item, link);
 173        g_free(item);
 174        return;
 175    }
 176}
 177
 178static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
 179{
 180    char host[NI_MAXHOST], port[NI_MAXSERV];
 181
 182    getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
 183                NI_NUMERICHOST | NI_NUMERICSERV);
 184
 185    info->host = g_strdup(host);
 186    info->port = g_strdup(port);
 187    info->family = inet_netfamily(addr->sa_family);
 188}
 189
 190static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
 191{
 192    int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 193
 194    sc->connection_id = info->connection_id;
 195    sc->channel_type = info->type;
 196    sc->channel_id = info->id;
 197    sc->tls = !!tls;
 198}
 199
 200static void channel_event(int event, SpiceChannelEventInfo *info)
 201{
 202    SpiceServerInfo *server = g_malloc0(sizeof(*server));
 203    SpiceChannel *client = g_malloc0(sizeof(*client));
 204
 205    /*
 206     * Spice server might have called us from spice worker thread
 207     * context (happens on display channel disconnects).  Spice should
 208     * not do that.  It isn't that easy to fix it in spice and even
 209     * when it is fixed we still should cover the already released
 210     * spice versions.  So detect that we've been called from another
 211     * thread and grab the iothread lock if so before calling qemu
 212     * functions.
 213     */
 214    bool need_lock = !qemu_thread_is_self(&me);
 215    if (need_lock) {
 216        qemu_mutex_lock_iothread();
 217    }
 218
 219    if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 220        add_addr_info(qapi_SpiceChannel_base(client),
 221                      (struct sockaddr *)&info->paddr_ext,
 222                      info->plen_ext);
 223        add_addr_info(qapi_SpiceServerInfo_base(server),
 224                      (struct sockaddr *)&info->laddr_ext,
 225                      info->llen_ext);
 226    } else {
 227        error_report("spice: %s, extended address is expected",
 228                     __func__);
 229    }
 230
 231    switch (event) {
 232    case SPICE_CHANNEL_EVENT_CONNECTED:
 233        qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server),
 234                                        qapi_SpiceChannel_base(client),
 235                                        &error_abort);
 236        break;
 237    case SPICE_CHANNEL_EVENT_INITIALIZED:
 238        if (auth) {
 239            server->has_auth = true;
 240            server->auth = g_strdup(auth);
 241        }
 242        add_channel_info(client, info);
 243        channel_list_add(info);
 244        qapi_event_send_spice_initialized(server, client, &error_abort);
 245        break;
 246    case SPICE_CHANNEL_EVENT_DISCONNECTED:
 247        channel_list_del(info);
 248        qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server),
 249                                           qapi_SpiceChannel_base(client),
 250                                           &error_abort);
 251        break;
 252    default:
 253        break;
 254    }
 255
 256    if (need_lock) {
 257        qemu_mutex_unlock_iothread();
 258    }
 259
 260    qapi_free_SpiceServerInfo(server);
 261    qapi_free_SpiceChannel(client);
 262}
 263
 264static SpiceCoreInterface core_interface = {
 265    .base.type          = SPICE_INTERFACE_CORE,
 266    .base.description   = "qemu core services",
 267    .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
 268    .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
 269
 270    .timer_add          = timer_add,
 271    .timer_start        = timer_start,
 272    .timer_cancel       = timer_cancel,
 273    .timer_remove       = timer_remove,
 274
 275    .watch_add          = watch_add,
 276    .watch_update_mask  = watch_update_mask,
 277    .watch_remove       = watch_remove,
 278
 279    .channel_event      = channel_event,
 280};
 281
 282static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
 283static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
 284
 285static const SpiceMigrateInterface migrate_interface = {
 286    .base.type = SPICE_INTERFACE_MIGRATION,
 287    .base.description = "migration",
 288    .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
 289    .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
 290    .migrate_connect_complete = migrate_connect_complete_cb,
 291    .migrate_end_complete = migrate_end_complete_cb,
 292};
 293
 294static SpiceMigrateInstance spice_migrate;
 295
 296static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
 297{
 298    /* nothing, but libspice-server expects this cb being present. */
 299}
 300
 301static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
 302{
 303    qapi_event_send_spice_migrate_completed(&error_abort);
 304    spice_migration_completed = true;
 305}
 306
 307/* config string parsing */
 308
 309static int name2enum(const char *string, const char *table[], int entries)
 310{
 311    int i;
 312
 313    if (string) {
 314        for (i = 0; i < entries; i++) {
 315            if (!table[i]) {
 316                continue;
 317            }
 318            if (strcmp(string, table[i]) != 0) {
 319                continue;
 320            }
 321            return i;
 322        }
 323    }
 324    return -1;
 325}
 326
 327static int parse_name(const char *string, const char *optname,
 328                      const char *table[], int entries)
 329{
 330    int value = name2enum(string, table, entries);
 331
 332    if (value != -1) {
 333        return value;
 334    }
 335    error_report("spice: invalid %s: %s", optname, string);
 336    exit(1);
 337}
 338
 339static const char *stream_video_names[] = {
 340    [ SPICE_STREAM_VIDEO_OFF ]    = "off",
 341    [ SPICE_STREAM_VIDEO_ALL ]    = "all",
 342    [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
 343};
 344#define parse_stream_video(_name) \
 345    parse_name(_name, "stream video control", \
 346               stream_video_names, ARRAY_SIZE(stream_video_names))
 347
 348static const char *compression_names[] = {
 349    [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
 350    [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
 351    [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
 352    [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
 353    [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
 354    [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
 355};
 356#define parse_compression(_name)                                        \
 357    parse_name(_name, "image compression",                              \
 358               compression_names, ARRAY_SIZE(compression_names))
 359
 360static const char *wan_compression_names[] = {
 361    [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
 362    [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
 363    [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
 364};
 365#define parse_wan_compression(_name)                                    \
 366    parse_name(_name, "wan compression",                                \
 367               wan_compression_names, ARRAY_SIZE(wan_compression_names))
 368
 369/* functions for the rest of qemu */
 370
 371static SpiceChannelList *qmp_query_spice_channels(void)
 372{
 373    SpiceChannelList *cur_item = NULL, *head = NULL;
 374    ChannelList *item;
 375
 376    QTAILQ_FOREACH(item, &channel_list, link) {
 377        SpiceChannelList *chan;
 378        char host[NI_MAXHOST], port[NI_MAXSERV];
 379        struct sockaddr *paddr;
 380        socklen_t plen;
 381
 382        assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT);
 383
 384        chan = g_malloc0(sizeof(*chan));
 385        chan->value = g_malloc0(sizeof(*chan->value));
 386
 387        paddr = (struct sockaddr *)&item->info->paddr_ext;
 388        plen = item->info->plen_ext;
 389        getnameinfo(paddr, plen,
 390                    host, sizeof(host), port, sizeof(port),
 391                    NI_NUMERICHOST | NI_NUMERICSERV);
 392        chan->value->host = g_strdup(host);
 393        chan->value->port = g_strdup(port);
 394        chan->value->family = inet_netfamily(paddr->sa_family);
 395
 396        chan->value->connection_id = item->info->connection_id;
 397        chan->value->channel_type = item->info->type;
 398        chan->value->channel_id = item->info->id;
 399        chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 400
 401       /* XXX: waiting for the qapi to support GSList */
 402        if (!cur_item) {
 403            head = cur_item = chan;
 404        } else {
 405            cur_item->next = chan;
 406            cur_item = chan;
 407        }
 408    }
 409
 410    return head;
 411}
 412
 413static QemuOptsList qemu_spice_opts = {
 414    .name = "spice",
 415    .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
 416    .desc = {
 417        {
 418            .name = "port",
 419            .type = QEMU_OPT_NUMBER,
 420        },{
 421            .name = "tls-port",
 422            .type = QEMU_OPT_NUMBER,
 423        },{
 424            .name = "addr",
 425            .type = QEMU_OPT_STRING,
 426        },{
 427            .name = "ipv4",
 428            .type = QEMU_OPT_BOOL,
 429        },{
 430            .name = "ipv6",
 431            .type = QEMU_OPT_BOOL,
 432#ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 433        },{
 434            .name = "unix",
 435            .type = QEMU_OPT_BOOL,
 436#endif
 437        },{
 438            .name = "password",
 439            .type = QEMU_OPT_STRING,
 440        },{
 441            .name = "disable-ticketing",
 442            .type = QEMU_OPT_BOOL,
 443        },{
 444            .name = "disable-copy-paste",
 445            .type = QEMU_OPT_BOOL,
 446        },{
 447            .name = "disable-agent-file-xfer",
 448            .type = QEMU_OPT_BOOL,
 449        },{
 450            .name = "sasl",
 451            .type = QEMU_OPT_BOOL,
 452        },{
 453            .name = "x509-dir",
 454            .type = QEMU_OPT_STRING,
 455        },{
 456            .name = "x509-key-file",
 457            .type = QEMU_OPT_STRING,
 458        },{
 459            .name = "x509-key-password",
 460            .type = QEMU_OPT_STRING,
 461        },{
 462            .name = "x509-cert-file",
 463            .type = QEMU_OPT_STRING,
 464        },{
 465            .name = "x509-cacert-file",
 466            .type = QEMU_OPT_STRING,
 467        },{
 468            .name = "x509-dh-key-file",
 469            .type = QEMU_OPT_STRING,
 470        },{
 471            .name = "tls-ciphers",
 472            .type = QEMU_OPT_STRING,
 473        },{
 474            .name = "tls-channel",
 475            .type = QEMU_OPT_STRING,
 476        },{
 477            .name = "plaintext-channel",
 478            .type = QEMU_OPT_STRING,
 479        },{
 480            .name = "image-compression",
 481            .type = QEMU_OPT_STRING,
 482        },{
 483            .name = "jpeg-wan-compression",
 484            .type = QEMU_OPT_STRING,
 485        },{
 486            .name = "zlib-glz-wan-compression",
 487            .type = QEMU_OPT_STRING,
 488        },{
 489            .name = "streaming-video",
 490            .type = QEMU_OPT_STRING,
 491        },{
 492            .name = "agent-mouse",
 493            .type = QEMU_OPT_BOOL,
 494        },{
 495            .name = "playback-compression",
 496            .type = QEMU_OPT_BOOL,
 497        },{
 498            .name = "seamless-migration",
 499            .type = QEMU_OPT_BOOL,
 500#ifdef HAVE_SPICE_GL
 501        },{
 502            .name = "gl",
 503            .type = QEMU_OPT_BOOL,
 504#endif
 505        },
 506        { /* end of list */ }
 507    },
 508};
 509
 510SpiceInfo *qmp_query_spice(Error **errp)
 511{
 512    QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 513    int port, tls_port;
 514    const char *addr;
 515    SpiceInfo *info;
 516    unsigned int major;
 517    unsigned int minor;
 518    unsigned int micro;
 519
 520    info = g_malloc0(sizeof(*info));
 521
 522    if (!spice_server || !opts) {
 523        info->enabled = false;
 524        return info;
 525    }
 526
 527    info->enabled = true;
 528    info->migrated = spice_migration_completed;
 529
 530    addr = qemu_opt_get(opts, "addr");
 531    port = qemu_opt_get_number(opts, "port", 0);
 532    tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 533
 534    info->has_auth = true;
 535    info->auth = g_strdup(auth);
 536
 537    info->has_host = true;
 538    info->host = g_strdup(addr ? addr : "*");
 539
 540    info->has_compiled_version = true;
 541    major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
 542    minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
 543    micro = SPICE_SERVER_VERSION & 0xff;
 544    info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
 545
 546    if (port) {
 547        info->has_port = true;
 548        info->port = port;
 549    }
 550    if (tls_port) {
 551        info->has_tls_port = true;
 552        info->tls_port = tls_port;
 553    }
 554
 555    info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
 556                       SPICE_QUERY_MOUSE_MODE_SERVER :
 557                       SPICE_QUERY_MOUSE_MODE_CLIENT;
 558
 559    /* for compatibility with the original command */
 560    info->has_channels = true;
 561    info->channels = qmp_query_spice_channels();
 562
 563    return info;
 564}
 565
 566static void migration_state_notifier(Notifier *notifier, void *data)
 567{
 568    MigrationState *s = data;
 569
 570    if (!spice_have_target_host) {
 571        return;
 572    }
 573
 574    if (migration_in_setup(s)) {
 575        spice_server_migrate_start(spice_server);
 576    } else if (migration_has_finished(s) ||
 577               migration_in_postcopy_after_devices(s)) {
 578        spice_server_migrate_end(spice_server, true);
 579        spice_have_target_host = false;
 580    } else if (migration_has_failed(s)) {
 581        spice_server_migrate_end(spice_server, false);
 582        spice_have_target_host = false;
 583    }
 584}
 585
 586int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 587                            const char *subject)
 588{
 589    int ret;
 590
 591    ret = spice_server_migrate_connect(spice_server, hostname,
 592                                       port, tls_port, subject);
 593    spice_have_target_host = true;
 594    return ret;
 595}
 596
 597static int add_channel(void *opaque, const char *name, const char *value,
 598                       Error **errp)
 599{
 600    int security = 0;
 601    int rc;
 602
 603    if (strcmp(name, "tls-channel") == 0) {
 604        int *tls_port = opaque;
 605        if (!*tls_port) {
 606            error_report("spice: tried to setup tls-channel"
 607                         " without specifying a TLS port");
 608            exit(1);
 609        }
 610        security = SPICE_CHANNEL_SECURITY_SSL;
 611    }
 612    if (strcmp(name, "plaintext-channel") == 0) {
 613        security = SPICE_CHANNEL_SECURITY_NONE;
 614    }
 615    if (security == 0) {
 616        return 0;
 617    }
 618    if (strcmp(value, "default") == 0) {
 619        rc = spice_server_set_channel_security(spice_server, NULL, security);
 620    } else {
 621        rc = spice_server_set_channel_security(spice_server, value, security);
 622    }
 623    if (rc != 0) {
 624        error_report("spice: failed to set channel security for %s", value);
 625        exit(1);
 626    }
 627    return 0;
 628}
 629
 630static void vm_change_state_handler(void *opaque, int running,
 631                                    RunState state)
 632{
 633    if (running) {
 634        qemu_spice_display_start();
 635    } else {
 636        qemu_spice_display_stop();
 637    }
 638}
 639
 640void qemu_spice_init(void)
 641{
 642    QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 643    const char *password, *str, *x509_dir, *addr,
 644        *x509_key_password = NULL,
 645        *x509_dh_file = NULL,
 646        *tls_ciphers = NULL;
 647    char *x509_key_file = NULL,
 648        *x509_cert_file = NULL,
 649        *x509_cacert_file = NULL;
 650    int port, tls_port, addr_flags;
 651    spice_image_compression_t compression;
 652    spice_wan_compression_t wan_compr;
 653    bool seamless_migration;
 654
 655    qemu_thread_get_self(&me);
 656
 657    if (!opts) {
 658        return;
 659    }
 660    port = qemu_opt_get_number(opts, "port", 0);
 661    tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 662    if (port < 0 || port > 65535) {
 663        error_report("spice port is out of range");
 664        exit(1);
 665    }
 666    if (tls_port < 0 || tls_port > 65535) {
 667        error_report("spice tls-port is out of range");
 668        exit(1);
 669    }
 670    password = qemu_opt_get(opts, "password");
 671
 672    if (tls_port) {
 673        x509_dir = qemu_opt_get(opts, "x509-dir");
 674        if (!x509_dir) {
 675            x509_dir = ".";
 676        }
 677
 678        str = qemu_opt_get(opts, "x509-key-file");
 679        if (str) {
 680            x509_key_file = g_strdup(str);
 681        } else {
 682            x509_key_file = g_strdup_printf("%s/%s", x509_dir,
 683                                            X509_SERVER_KEY_FILE);
 684        }
 685
 686        str = qemu_opt_get(opts, "x509-cert-file");
 687        if (str) {
 688            x509_cert_file = g_strdup(str);
 689        } else {
 690            x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
 691                                             X509_SERVER_CERT_FILE);
 692        }
 693
 694        str = qemu_opt_get(opts, "x509-cacert-file");
 695        if (str) {
 696            x509_cacert_file = g_strdup(str);
 697        } else {
 698            x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
 699                                               X509_CA_CERT_FILE);
 700        }
 701
 702        x509_key_password = qemu_opt_get(opts, "x509-key-password");
 703        x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
 704        tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
 705    }
 706
 707    addr = qemu_opt_get(opts, "addr");
 708    addr_flags = 0;
 709    if (qemu_opt_get_bool(opts, "ipv4", 0)) {
 710        addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
 711    } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
 712        addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
 713#ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 714    } else if (qemu_opt_get_bool(opts, "unix", 0)) {
 715        addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY;
 716#endif
 717    }
 718
 719    spice_server = spice_server_new();
 720    spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
 721    if (port) {
 722        spice_server_set_port(spice_server, port);
 723    }
 724    if (tls_port) {
 725        spice_server_set_tls(spice_server, tls_port,
 726                             x509_cacert_file,
 727                             x509_cert_file,
 728                             x509_key_file,
 729                             x509_key_password,
 730                             x509_dh_file,
 731                             tls_ciphers);
 732    }
 733    if (password) {
 734        qemu_spice_set_passwd(password, false, false);
 735    }
 736    if (qemu_opt_get_bool(opts, "sasl", 0)) {
 737        if (spice_server_set_sasl(spice_server, 1) == -1) {
 738            error_report("spice: failed to enable sasl");
 739            exit(1);
 740        }
 741        auth = "sasl";
 742    }
 743    if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 744        auth = "none";
 745        spice_server_set_noauth(spice_server);
 746    }
 747
 748    if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 749        spice_server_set_agent_copypaste(spice_server, false);
 750    }
 751
 752    if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
 753#if SPICE_SERVER_VERSION >= 0x000c04
 754        spice_server_set_agent_file_xfer(spice_server, false);
 755#else
 756        error_report("this qemu build does not support the "
 757                     "\"disable-agent-file-xfer\" option");
 758        exit(1);
 759#endif
 760    }
 761
 762    compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 763    str = qemu_opt_get(opts, "image-compression");
 764    if (str) {
 765        compression = parse_compression(str);
 766    }
 767    spice_server_set_image_compression(spice_server, compression);
 768
 769    wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 770    str = qemu_opt_get(opts, "jpeg-wan-compression");
 771    if (str) {
 772        wan_compr = parse_wan_compression(str);
 773    }
 774    spice_server_set_jpeg_compression(spice_server, wan_compr);
 775
 776    wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 777    str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 778    if (str) {
 779        wan_compr = parse_wan_compression(str);
 780    }
 781    spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 782
 783    str = qemu_opt_get(opts, "streaming-video");
 784    if (str) {
 785        int streaming_video = parse_stream_video(str);
 786        spice_server_set_streaming_video(spice_server, streaming_video);
 787    } else {
 788        spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
 789    }
 790
 791    spice_server_set_agent_mouse
 792        (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 793    spice_server_set_playback_compression
 794        (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 795
 796    qemu_opt_foreach(opts, add_channel, &tls_port, NULL);
 797
 798    spice_server_set_name(spice_server, qemu_name);
 799    spice_server_set_uuid(spice_server, qemu_uuid);
 800
 801    seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
 802    spice_server_set_seamless_migration(spice_server, seamless_migration);
 803    spice_server_set_sasl_appname(spice_server, "qemu");
 804    if (spice_server_init(spice_server, &core_interface) != 0) {
 805        error_report("failed to initialize spice server");
 806        exit(1);
 807    };
 808    using_spice = 1;
 809
 810    migration_state.notify = migration_state_notifier;
 811    add_migration_state_change_notifier(&migration_state);
 812    spice_migrate.base.sif = &migrate_interface.base;
 813    qemu_spice_add_interface(&spice_migrate.base);
 814
 815    qemu_spice_input_init();
 816    qemu_spice_audio_init();
 817
 818    qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 819    qemu_spice_display_stop();
 820
 821    g_free(x509_key_file);
 822    g_free(x509_cert_file);
 823    g_free(x509_cacert_file);
 824
 825#if SPICE_SERVER_VERSION >= 0x000c02
 826    qemu_spice_register_ports();
 827#endif
 828
 829#ifdef HAVE_SPICE_GL
 830    if (qemu_opt_get_bool(opts, "gl", 0)) {
 831        if ((port != 0) || (tls_port != 0)) {
 832            error_report("SPICE GL support is local-only for now and "
 833                         "incompatible with -spice port/tls-port");
 834            exit(1);
 835        }
 836        if (egl_rendernode_init() == 0) {
 837            display_opengl = 1;
 838        }
 839    }
 840#endif
 841}
 842
 843int qemu_spice_add_interface(SpiceBaseInstance *sin)
 844{
 845    if (!spice_server) {
 846        if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 847            error_report("Oops: spice configured but not active");
 848            exit(1);
 849        }
 850        /*
 851         * Create a spice server instance.
 852         * It does *not* listen on the network.
 853         * It handles QXL local rendering only.
 854         *
 855         * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 856         */
 857        spice_server = spice_server_new();
 858        spice_server_set_sasl_appname(spice_server, "qemu");
 859        spice_server_init(spice_server, &core_interface);
 860        qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 861    }
 862
 863    return spice_server_add_interface(spice_server, sin);
 864}
 865
 866static GSList *spice_consoles;
 867
 868bool qemu_spice_have_display_interface(QemuConsole *con)
 869{
 870    if (g_slist_find(spice_consoles, con)) {
 871        return true;
 872    }
 873    return false;
 874}
 875
 876int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
 877{
 878    if (g_slist_find(spice_consoles, con)) {
 879        return -1;
 880    }
 881    qxlin->id = qemu_console_get_index(con);
 882    spice_consoles = g_slist_append(spice_consoles, con);
 883    return qemu_spice_add_interface(&qxlin->base);
 884}
 885
 886static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 887{
 888    time_t lifetime, now = time(NULL);
 889    char *passwd;
 890
 891    if (now < auth_expires) {
 892        passwd = auth_passwd;
 893        lifetime = (auth_expires - now);
 894        if (lifetime > INT_MAX) {
 895            lifetime = INT_MAX;
 896        }
 897    } else {
 898        passwd = NULL;
 899        lifetime = 1;
 900    }
 901    return spice_server_set_ticket(spice_server, passwd, lifetime,
 902                                   fail_if_conn, disconnect_if_conn);
 903}
 904
 905int qemu_spice_set_passwd(const char *passwd,
 906                          bool fail_if_conn, bool disconnect_if_conn)
 907{
 908    if (strcmp(auth, "spice") != 0) {
 909        return -1;
 910    }
 911
 912    g_free(auth_passwd);
 913    auth_passwd = g_strdup(passwd);
 914    return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 915}
 916
 917int qemu_spice_set_pw_expire(time_t expires)
 918{
 919    auth_expires = expires;
 920    return qemu_spice_set_ticket(false, false);
 921}
 922
 923int qemu_spice_display_add_client(int csock, int skipauth, int tls)
 924{
 925    if (tls) {
 926        return spice_server_add_ssl_client(spice_server, csock, skipauth);
 927    } else {
 928        return spice_server_add_client(spice_server, csock, skipauth);
 929    }
 930}
 931
 932void qemu_spice_display_start(void)
 933{
 934    spice_display_is_running = true;
 935    spice_server_vm_start(spice_server);
 936}
 937
 938void qemu_spice_display_stop(void)
 939{
 940    spice_server_vm_stop(spice_server);
 941    spice_display_is_running = false;
 942}
 943
 944int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
 945{
 946    return spice_display_is_running;
 947}
 948
 949static void spice_register_config(void)
 950{
 951    qemu_add_opts(&qemu_spice_opts);
 952}
 953opts_init(spice_register_config);
 954