|  | /* | 
|  | * Copyright (C) 2010 Red Hat, Inc. | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or | 
|  | * modify it under the terms of the GNU General Public License as | 
|  | * published by the Free Software Foundation; either version 2 or | 
|  | * (at your option) version 3 of the License. | 
|  | * | 
|  | * This program is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | * GNU General Public License for more details. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License | 
|  | * along with this program; if not, see <http://www.gnu.org/licenses/>. | 
|  | */ | 
|  |  | 
|  | #include "qemu/osdep.h" | 
|  | #include <spice.h> | 
|  |  | 
|  | #include "sysemu/sysemu.h" | 
|  | #include "sysemu/runstate.h" | 
|  | #include "ui/qemu-spice.h" | 
|  | #include "qemu/error-report.h" | 
|  | #include "qemu/main-loop.h" | 
|  | #include "qemu/module.h" | 
|  | #include "qemu/thread.h" | 
|  | #include "qemu/timer.h" | 
|  | #include "qemu/queue.h" | 
|  | #include "qemu-x509.h" | 
|  | #include "qemu/sockets.h" | 
|  | #include "qapi/error.h" | 
|  | #include "qapi/qapi-commands-ui.h" | 
|  | #include "qapi/qapi-events-ui.h" | 
|  | #include "qemu/notify.h" | 
|  | #include "qemu/option.h" | 
|  | #include "crypto/secret_common.h" | 
|  | #include "migration/misc.h" | 
|  | #include "hw/pci/pci_bus.h" | 
|  | #include "ui/spice-display.h" | 
|  |  | 
|  | /* core bits */ | 
|  |  | 
|  | static SpiceServer *spice_server; | 
|  | static Notifier migration_state; | 
|  | static const char *auth = "spice"; | 
|  | static char *auth_passwd; | 
|  | static time_t auth_expires = TIME_MAX; | 
|  | static int spice_migration_completed; | 
|  | static int spice_display_is_running; | 
|  | static int spice_have_target_host; | 
|  |  | 
|  | static QemuThread me; | 
|  |  | 
|  | struct SpiceTimer { | 
|  | QEMUTimer *timer; | 
|  | }; | 
|  |  | 
|  | static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque) | 
|  | { | 
|  | SpiceTimer *timer; | 
|  |  | 
|  | timer = g_malloc0(sizeof(*timer)); | 
|  | timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque); | 
|  | return timer; | 
|  | } | 
|  |  | 
|  | static void timer_start(SpiceTimer *timer, uint32_t ms) | 
|  | { | 
|  | timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms); | 
|  | } | 
|  |  | 
|  | static void timer_cancel(SpiceTimer *timer) | 
|  | { | 
|  | timer_del(timer->timer); | 
|  | } | 
|  |  | 
|  | static void timer_remove(SpiceTimer *timer) | 
|  | { | 
|  | timer_free(timer->timer); | 
|  | g_free(timer); | 
|  | } | 
|  |  | 
|  | struct SpiceWatch { | 
|  | int fd; | 
|  | SpiceWatchFunc func; | 
|  | void *opaque; | 
|  | }; | 
|  |  | 
|  | static void watch_read(void *opaque) | 
|  | { | 
|  | SpiceWatch *watch = opaque; | 
|  | int fd = watch->fd; | 
|  |  | 
|  | #ifdef WIN32 | 
|  | fd = _get_osfhandle(fd); | 
|  | #endif | 
|  | watch->func(fd, SPICE_WATCH_EVENT_READ, watch->opaque); | 
|  | } | 
|  |  | 
|  | static void watch_write(void *opaque) | 
|  | { | 
|  | SpiceWatch *watch = opaque; | 
|  | int fd = watch->fd; | 
|  |  | 
|  | #ifdef WIN32 | 
|  | fd = _get_osfhandle(fd); | 
|  | #endif | 
|  | watch->func(fd, SPICE_WATCH_EVENT_WRITE, watch->opaque); | 
|  | } | 
|  |  | 
|  | static void watch_update_mask(SpiceWatch *watch, int event_mask) | 
|  | { | 
|  | IOHandler *on_read = NULL; | 
|  | IOHandler *on_write = NULL; | 
|  |  | 
|  | if (event_mask & SPICE_WATCH_EVENT_READ) { | 
|  | on_read = watch_read; | 
|  | } | 
|  | if (event_mask & SPICE_WATCH_EVENT_WRITE) { | 
|  | on_write = watch_write; | 
|  | } | 
|  | qemu_set_fd_handler(watch->fd, on_read, on_write, watch); | 
|  | } | 
|  |  | 
|  | static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque) | 
|  | { | 
|  | SpiceWatch *watch; | 
|  |  | 
|  | #ifdef WIN32 | 
|  | fd = _open_osfhandle(fd, _O_BINARY); | 
|  | if (fd < 0) { | 
|  | error_setg_win32(&error_warn, WSAGetLastError(), "Couldn't associate a FD with the SOCKET"); | 
|  | return NULL; | 
|  | } | 
|  | #endif | 
|  |  | 
|  | watch = g_malloc0(sizeof(*watch)); | 
|  | watch->fd     = fd; | 
|  | watch->func   = func; | 
|  | watch->opaque = opaque; | 
|  |  | 
|  | watch_update_mask(watch, event_mask); | 
|  | return watch; | 
|  | } | 
|  |  | 
|  | static void watch_remove(SpiceWatch *watch) | 
|  | { | 
|  | qemu_set_fd_handler(watch->fd, NULL, NULL, NULL); | 
|  | #ifdef WIN32 | 
|  | /* SOCKET is owned by spice */ | 
|  | qemu_close_socket_osfhandle(watch->fd); | 
|  | #endif | 
|  | g_free(watch); | 
|  | } | 
|  |  | 
|  | typedef struct ChannelList ChannelList; | 
|  | struct ChannelList { | 
|  | SpiceChannelEventInfo *info; | 
|  | QTAILQ_ENTRY(ChannelList) link; | 
|  | }; | 
|  | static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list); | 
|  |  | 
|  | static void channel_list_add(SpiceChannelEventInfo *info) | 
|  | { | 
|  | ChannelList *item; | 
|  |  | 
|  | item = g_malloc0(sizeof(*item)); | 
|  | item->info = info; | 
|  | QTAILQ_INSERT_TAIL(&channel_list, item, link); | 
|  | } | 
|  |  | 
|  | static void channel_list_del(SpiceChannelEventInfo *info) | 
|  | { | 
|  | ChannelList *item; | 
|  |  | 
|  | QTAILQ_FOREACH(item, &channel_list, link) { | 
|  | if (item->info != info) { | 
|  | continue; | 
|  | } | 
|  | QTAILQ_REMOVE(&channel_list, item, link); | 
|  | g_free(item); | 
|  | return; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len) | 
|  | { | 
|  | char host[NI_MAXHOST], port[NI_MAXSERV]; | 
|  |  | 
|  | getnameinfo(addr, len, host, sizeof(host), port, sizeof(port), | 
|  | NI_NUMERICHOST | NI_NUMERICSERV); | 
|  |  | 
|  | info->host = g_strdup(host); | 
|  | info->port = g_strdup(port); | 
|  | info->family = inet_netfamily(addr->sa_family); | 
|  | } | 
|  |  | 
|  | static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info) | 
|  | { | 
|  | int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; | 
|  |  | 
|  | sc->connection_id = info->connection_id; | 
|  | sc->channel_type = info->type; | 
|  | sc->channel_id = info->id; | 
|  | sc->tls = !!tls; | 
|  | } | 
|  |  | 
|  | static void channel_event(int event, SpiceChannelEventInfo *info) | 
|  | { | 
|  | SpiceServerInfo *server = g_malloc0(sizeof(*server)); | 
|  | SpiceChannel *client = g_malloc0(sizeof(*client)); | 
|  |  | 
|  | /* | 
|  | * Spice server might have called us from spice worker thread | 
|  | * context (happens on display channel disconnects).  Spice should | 
|  | * not do that.  It isn't that easy to fix it in spice and even | 
|  | * when it is fixed we still should cover the already released | 
|  | * spice versions.  So detect that we've been called from another | 
|  | * thread and grab the iothread lock if so before calling qemu | 
|  | * functions. | 
|  | */ | 
|  | bool need_lock = !qemu_thread_is_self(&me); | 
|  | if (need_lock) { | 
|  | qemu_mutex_lock_iothread(); | 
|  | } | 
|  |  | 
|  | if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) { | 
|  | add_addr_info(qapi_SpiceChannel_base(client), | 
|  | (struct sockaddr *)&info->paddr_ext, | 
|  | info->plen_ext); | 
|  | add_addr_info(qapi_SpiceServerInfo_base(server), | 
|  | (struct sockaddr *)&info->laddr_ext, | 
|  | info->llen_ext); | 
|  | } else { | 
|  | error_report("spice: %s, extended address is expected", | 
|  | __func__); | 
|  | } | 
|  |  | 
|  | switch (event) { | 
|  | case SPICE_CHANNEL_EVENT_CONNECTED: | 
|  | qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server), | 
|  | qapi_SpiceChannel_base(client)); | 
|  | break; | 
|  | case SPICE_CHANNEL_EVENT_INITIALIZED: | 
|  | if (auth) { | 
|  | server->auth = g_strdup(auth); | 
|  | } | 
|  | add_channel_info(client, info); | 
|  | channel_list_add(info); | 
|  | qapi_event_send_spice_initialized(server, client); | 
|  | break; | 
|  | case SPICE_CHANNEL_EVENT_DISCONNECTED: | 
|  | channel_list_del(info); | 
|  | qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server), | 
|  | qapi_SpiceChannel_base(client)); | 
|  | break; | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | if (need_lock) { | 
|  | qemu_mutex_unlock_iothread(); | 
|  | } | 
|  |  | 
|  | qapi_free_SpiceServerInfo(server); | 
|  | qapi_free_SpiceChannel(client); | 
|  | } | 
|  |  | 
|  | static SpiceCoreInterface core_interface = { | 
|  | .base.type          = SPICE_INTERFACE_CORE, | 
|  | .base.description   = "qemu core services", | 
|  | .base.major_version = SPICE_INTERFACE_CORE_MAJOR, | 
|  | .base.minor_version = SPICE_INTERFACE_CORE_MINOR, | 
|  |  | 
|  | .timer_add          = timer_add, | 
|  | .timer_start        = timer_start, | 
|  | .timer_cancel       = timer_cancel, | 
|  | .timer_remove       = timer_remove, | 
|  |  | 
|  | .watch_add          = watch_add, | 
|  | .watch_update_mask  = watch_update_mask, | 
|  | .watch_remove       = watch_remove, | 
|  |  | 
|  | .channel_event      = channel_event, | 
|  | }; | 
|  |  | 
|  | static void migrate_connect_complete_cb(SpiceMigrateInstance *sin); | 
|  | static void migrate_end_complete_cb(SpiceMigrateInstance *sin); | 
|  |  | 
|  | static const SpiceMigrateInterface migrate_interface = { | 
|  | .base.type = SPICE_INTERFACE_MIGRATION, | 
|  | .base.description = "migration", | 
|  | .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR, | 
|  | .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR, | 
|  | .migrate_connect_complete = migrate_connect_complete_cb, | 
|  | .migrate_end_complete = migrate_end_complete_cb, | 
|  | }; | 
|  |  | 
|  | static SpiceMigrateInstance spice_migrate; | 
|  |  | 
|  | static void migrate_connect_complete_cb(SpiceMigrateInstance *sin) | 
|  | { | 
|  | /* nothing, but libspice-server expects this cb being present. */ | 
|  | } | 
|  |  | 
|  | static void migrate_end_complete_cb(SpiceMigrateInstance *sin) | 
|  | { | 
|  | qapi_event_send_spice_migrate_completed(); | 
|  | spice_migration_completed = true; | 
|  | } | 
|  |  | 
|  | /* config string parsing */ | 
|  |  | 
|  | static int name2enum(const char *string, const char *table[], int entries) | 
|  | { | 
|  | int i; | 
|  |  | 
|  | if (string) { | 
|  | for (i = 0; i < entries; i++) { | 
|  | if (!table[i]) { | 
|  | continue; | 
|  | } | 
|  | if (strcmp(string, table[i]) != 0) { | 
|  | continue; | 
|  | } | 
|  | return i; | 
|  | } | 
|  | } | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | static int parse_name(const char *string, const char *optname, | 
|  | const char *table[], int entries) | 
|  | { | 
|  | int value = name2enum(string, table, entries); | 
|  |  | 
|  | if (value != -1) { | 
|  | return value; | 
|  | } | 
|  | error_report("spice: invalid %s: %s", optname, string); | 
|  | exit(1); | 
|  | } | 
|  |  | 
|  | static const char *stream_video_names[] = { | 
|  | [ SPICE_STREAM_VIDEO_OFF ]    = "off", | 
|  | [ SPICE_STREAM_VIDEO_ALL ]    = "all", | 
|  | [ SPICE_STREAM_VIDEO_FILTER ] = "filter", | 
|  | }; | 
|  | #define parse_stream_video(_name) \ | 
|  | parse_name(_name, "stream video control", \ | 
|  | stream_video_names, ARRAY_SIZE(stream_video_names)) | 
|  |  | 
|  | static const char *compression_names[] = { | 
|  | [ SPICE_IMAGE_COMPRESS_OFF ]      = "off", | 
|  | [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz", | 
|  | [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz", | 
|  | [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic", | 
|  | [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz", | 
|  | [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz", | 
|  | }; | 
|  | #define parse_compression(_name)                                        \ | 
|  | parse_name(_name, "image compression",                              \ | 
|  | compression_names, ARRAY_SIZE(compression_names)) | 
|  |  | 
|  | static const char *wan_compression_names[] = { | 
|  | [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto", | 
|  | [ SPICE_WAN_COMPRESSION_NEVER  ] = "never", | 
|  | [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always", | 
|  | }; | 
|  | #define parse_wan_compression(_name)                                    \ | 
|  | parse_name(_name, "wan compression",                                \ | 
|  | wan_compression_names, ARRAY_SIZE(wan_compression_names)) | 
|  |  | 
|  | /* functions for the rest of qemu */ | 
|  |  | 
|  | static SpiceChannelList *qmp_query_spice_channels(void) | 
|  | { | 
|  | SpiceChannelList *head = NULL, **tail = &head; | 
|  | ChannelList *item; | 
|  |  | 
|  | QTAILQ_FOREACH(item, &channel_list, link) { | 
|  | SpiceChannel *chan; | 
|  | char host[NI_MAXHOST], port[NI_MAXSERV]; | 
|  | struct sockaddr *paddr; | 
|  | socklen_t plen; | 
|  |  | 
|  | assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT); | 
|  |  | 
|  | chan = g_malloc0(sizeof(*chan)); | 
|  |  | 
|  | paddr = (struct sockaddr *)&item->info->paddr_ext; | 
|  | plen = item->info->plen_ext; | 
|  | getnameinfo(paddr, plen, | 
|  | host, sizeof(host), port, sizeof(port), | 
|  | NI_NUMERICHOST | NI_NUMERICSERV); | 
|  | chan->host = g_strdup(host); | 
|  | chan->port = g_strdup(port); | 
|  | chan->family = inet_netfamily(paddr->sa_family); | 
|  |  | 
|  | chan->connection_id = item->info->connection_id; | 
|  | chan->channel_type = item->info->type; | 
|  | chan->channel_id = item->info->id; | 
|  | chan->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS; | 
|  |  | 
|  | QAPI_LIST_APPEND(tail, chan); | 
|  | } | 
|  |  | 
|  | return head; | 
|  | } | 
|  |  | 
|  | static QemuOptsList qemu_spice_opts = { | 
|  | .name = "spice", | 
|  | .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head), | 
|  | .merge_lists = true, | 
|  | .desc = { | 
|  | { | 
|  | .name = "port", | 
|  | .type = QEMU_OPT_NUMBER, | 
|  | },{ | 
|  | .name = "tls-port", | 
|  | .type = QEMU_OPT_NUMBER, | 
|  | },{ | 
|  | .name = "addr", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "ipv4", | 
|  | .type = QEMU_OPT_BOOL, | 
|  | },{ | 
|  | .name = "ipv6", | 
|  | .type = QEMU_OPT_BOOL, | 
|  | #ifdef SPICE_ADDR_FLAG_UNIX_ONLY | 
|  | },{ | 
|  | .name = "unix", | 
|  | .type = QEMU_OPT_BOOL, | 
|  | #endif | 
|  | },{ | 
|  | .name = "password-secret", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "disable-ticketing", | 
|  | .type = QEMU_OPT_BOOL, | 
|  | },{ | 
|  | .name = "disable-copy-paste", | 
|  | .type = QEMU_OPT_BOOL, | 
|  | },{ | 
|  | .name = "disable-agent-file-xfer", | 
|  | .type = QEMU_OPT_BOOL, | 
|  | },{ | 
|  | .name = "sasl", | 
|  | .type = QEMU_OPT_BOOL, | 
|  | },{ | 
|  | .name = "x509-dir", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "x509-key-file", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "x509-key-password", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "x509-cert-file", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "x509-cacert-file", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "x509-dh-key-file", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "tls-ciphers", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "tls-channel", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "plaintext-channel", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "image-compression", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "jpeg-wan-compression", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "zlib-glz-wan-compression", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "streaming-video", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "agent-mouse", | 
|  | .type = QEMU_OPT_BOOL, | 
|  | },{ | 
|  | .name = "playback-compression", | 
|  | .type = QEMU_OPT_BOOL, | 
|  | },{ | 
|  | .name = "seamless-migration", | 
|  | .type = QEMU_OPT_BOOL, | 
|  | },{ | 
|  | .name = "display", | 
|  | .type = QEMU_OPT_STRING, | 
|  | },{ | 
|  | .name = "head", | 
|  | .type = QEMU_OPT_NUMBER, | 
|  | #ifdef HAVE_SPICE_GL | 
|  | },{ | 
|  | .name = "gl", | 
|  | .type = QEMU_OPT_BOOL, | 
|  | },{ | 
|  | .name = "rendernode", | 
|  | .type = QEMU_OPT_STRING, | 
|  | #endif | 
|  | }, | 
|  | { /* end of list */ } | 
|  | }, | 
|  | }; | 
|  |  | 
|  | static SpiceInfo *qmp_query_spice_real(Error **errp) | 
|  | { | 
|  | QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); | 
|  | int port, tls_port; | 
|  | const char *addr; | 
|  | SpiceInfo *info; | 
|  | unsigned int major; | 
|  | unsigned int minor; | 
|  | unsigned int micro; | 
|  |  | 
|  | info = g_malloc0(sizeof(*info)); | 
|  |  | 
|  | if (!spice_server || !opts) { | 
|  | info->enabled = false; | 
|  | return info; | 
|  | } | 
|  |  | 
|  | info->enabled = true; | 
|  | info->migrated = spice_migration_completed; | 
|  |  | 
|  | addr = qemu_opt_get(opts, "addr"); | 
|  | port = qemu_opt_get_number(opts, "port", 0); | 
|  | tls_port = qemu_opt_get_number(opts, "tls-port", 0); | 
|  |  | 
|  | info->auth = g_strdup(auth); | 
|  | info->host = g_strdup(addr ? addr : "*"); | 
|  |  | 
|  | major = (SPICE_SERVER_VERSION & 0xff0000) >> 16; | 
|  | minor = (SPICE_SERVER_VERSION & 0xff00) >> 8; | 
|  | micro = SPICE_SERVER_VERSION & 0xff; | 
|  | info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro); | 
|  |  | 
|  | if (port) { | 
|  | info->has_port = true; | 
|  | info->port = port; | 
|  | } | 
|  | if (tls_port) { | 
|  | info->has_tls_port = true; | 
|  | info->tls_port = tls_port; | 
|  | } | 
|  |  | 
|  | info->mouse_mode = spice_server_is_server_mouse(spice_server) ? | 
|  | SPICE_QUERY_MOUSE_MODE_SERVER : | 
|  | SPICE_QUERY_MOUSE_MODE_CLIENT; | 
|  |  | 
|  | /* for compatibility with the original command */ | 
|  | info->has_channels = true; | 
|  | info->channels = qmp_query_spice_channels(); | 
|  |  | 
|  | return info; | 
|  | } | 
|  |  | 
|  | static void migration_state_notifier(Notifier *notifier, void *data) | 
|  | { | 
|  | MigrationState *s = data; | 
|  |  | 
|  | if (!spice_have_target_host) { | 
|  | return; | 
|  | } | 
|  |  | 
|  | if (migration_in_setup(s)) { | 
|  | spice_server_migrate_start(spice_server); | 
|  | } else if (migration_has_finished(s) || | 
|  | migration_in_postcopy_after_devices(s)) { | 
|  | spice_server_migrate_end(spice_server, true); | 
|  | spice_have_target_host = false; | 
|  | } else if (migration_has_failed(s)) { | 
|  | spice_server_migrate_end(spice_server, false); | 
|  | spice_have_target_host = false; | 
|  | } | 
|  | } | 
|  |  | 
|  | int qemu_spice_migrate_info(const char *hostname, int port, int tls_port, | 
|  | const char *subject) | 
|  | { | 
|  | int ret; | 
|  |  | 
|  | ret = spice_server_migrate_connect(spice_server, hostname, | 
|  | port, tls_port, subject); | 
|  | spice_have_target_host = true; | 
|  | return ret; | 
|  | } | 
|  |  | 
|  | static int add_channel(void *opaque, const char *name, const char *value, | 
|  | Error **errp) | 
|  | { | 
|  | int security = 0; | 
|  | int rc; | 
|  |  | 
|  | if (strcmp(name, "tls-channel") == 0) { | 
|  | int *tls_port = opaque; | 
|  | if (!*tls_port) { | 
|  | error_setg(errp, "spice: tried to setup tls-channel" | 
|  | " without specifying a TLS port"); | 
|  | return -1; | 
|  | } | 
|  | security = SPICE_CHANNEL_SECURITY_SSL; | 
|  | } | 
|  | if (strcmp(name, "plaintext-channel") == 0) { | 
|  | security = SPICE_CHANNEL_SECURITY_NONE; | 
|  | } | 
|  | if (security == 0) { | 
|  | return 0; | 
|  | } | 
|  | if (strcmp(value, "default") == 0) { | 
|  | rc = spice_server_set_channel_security(spice_server, NULL, security); | 
|  | } else { | 
|  | rc = spice_server_set_channel_security(spice_server, value, security); | 
|  | } | 
|  | if (rc != 0) { | 
|  | error_setg(errp, "spice: failed to set channel security for %s", | 
|  | value); | 
|  | return -1; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void vm_change_state_handler(void *opaque, bool running, | 
|  | RunState state) | 
|  | { | 
|  | if (running) { | 
|  | qemu_spice_display_start(); | 
|  | } else if (state != RUN_STATE_PAUSED) { | 
|  | qemu_spice_display_stop(); | 
|  | } | 
|  | } | 
|  |  | 
|  | void qemu_spice_display_init_done(void) | 
|  | { | 
|  | if (runstate_is_running()) { | 
|  | qemu_spice_display_start(); | 
|  | } | 
|  | qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); | 
|  | } | 
|  |  | 
|  | static void qemu_spice_init(void) | 
|  | { | 
|  | QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head); | 
|  | char *password = NULL; | 
|  | const char *passwordSecret; | 
|  | const char *str, *x509_dir, *addr, | 
|  | *x509_key_password = NULL, | 
|  | *x509_dh_file = NULL, | 
|  | *tls_ciphers = NULL; | 
|  | char *x509_key_file = NULL, | 
|  | *x509_cert_file = NULL, | 
|  | *x509_cacert_file = NULL; | 
|  | int port, tls_port, addr_flags; | 
|  | spice_image_compression_t compression; | 
|  | spice_wan_compression_t wan_compr; | 
|  | bool seamless_migration; | 
|  |  | 
|  | qemu_thread_get_self(&me); | 
|  |  | 
|  | if (!opts) { | 
|  | return; | 
|  | } | 
|  | port = qemu_opt_get_number(opts, "port", 0); | 
|  | tls_port = qemu_opt_get_number(opts, "tls-port", 0); | 
|  | if (port < 0 || port > 65535) { | 
|  | error_report("spice port is out of range"); | 
|  | exit(1); | 
|  | } | 
|  | if (tls_port < 0 || tls_port > 65535) { | 
|  | error_report("spice tls-port is out of range"); | 
|  | exit(1); | 
|  | } | 
|  | passwordSecret = qemu_opt_get(opts, "password-secret"); | 
|  | if (passwordSecret) { | 
|  | password = qcrypto_secret_lookup_as_utf8(passwordSecret, | 
|  | &error_fatal); | 
|  | } | 
|  |  | 
|  | if (tls_port) { | 
|  | x509_dir = qemu_opt_get(opts, "x509-dir"); | 
|  | if (!x509_dir) { | 
|  | x509_dir = "."; | 
|  | } | 
|  |  | 
|  | str = qemu_opt_get(opts, "x509-key-file"); | 
|  | if (str) { | 
|  | x509_key_file = g_strdup(str); | 
|  | } else { | 
|  | x509_key_file = g_strdup_printf("%s/%s", x509_dir, | 
|  | X509_SERVER_KEY_FILE); | 
|  | } | 
|  |  | 
|  | str = qemu_opt_get(opts, "x509-cert-file"); | 
|  | if (str) { | 
|  | x509_cert_file = g_strdup(str); | 
|  | } else { | 
|  | x509_cert_file = g_strdup_printf("%s/%s", x509_dir, | 
|  | X509_SERVER_CERT_FILE); | 
|  | } | 
|  |  | 
|  | str = qemu_opt_get(opts, "x509-cacert-file"); | 
|  | if (str) { | 
|  | x509_cacert_file = g_strdup(str); | 
|  | } else { | 
|  | x509_cacert_file = g_strdup_printf("%s/%s", x509_dir, | 
|  | X509_CA_CERT_FILE); | 
|  | } | 
|  |  | 
|  | x509_key_password = qemu_opt_get(opts, "x509-key-password"); | 
|  | x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file"); | 
|  | tls_ciphers = qemu_opt_get(opts, "tls-ciphers"); | 
|  | } | 
|  |  | 
|  | addr = qemu_opt_get(opts, "addr"); | 
|  | addr_flags = 0; | 
|  | if (qemu_opt_get_bool(opts, "ipv4", 0)) { | 
|  | addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY; | 
|  | } else if (qemu_opt_get_bool(opts, "ipv6", 0)) { | 
|  | addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY; | 
|  | #ifdef SPICE_ADDR_FLAG_UNIX_ONLY | 
|  | } else if (qemu_opt_get_bool(opts, "unix", 0)) { | 
|  | addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY; | 
|  | #endif | 
|  | } | 
|  |  | 
|  | spice_server = spice_server_new(); | 
|  | spice_server_set_addr(spice_server, addr ? addr : "", addr_flags); | 
|  | if (port) { | 
|  | spice_server_set_port(spice_server, port); | 
|  | } | 
|  | if (tls_port) { | 
|  | spice_server_set_tls(spice_server, tls_port, | 
|  | x509_cacert_file, | 
|  | x509_cert_file, | 
|  | x509_key_file, | 
|  | x509_key_password, | 
|  | x509_dh_file, | 
|  | tls_ciphers); | 
|  | } | 
|  | if (password) { | 
|  | qemu_spice.set_passwd(password, false, false); | 
|  | } | 
|  | if (qemu_opt_get_bool(opts, "sasl", 0)) { | 
|  | if (spice_server_set_sasl(spice_server, 1) == -1) { | 
|  | error_report("spice: failed to enable sasl"); | 
|  | exit(1); | 
|  | } | 
|  | auth = "sasl"; | 
|  | } | 
|  | if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) { | 
|  | auth = "none"; | 
|  | spice_server_set_noauth(spice_server); | 
|  | } | 
|  |  | 
|  | if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) { | 
|  | spice_server_set_agent_copypaste(spice_server, false); | 
|  | } | 
|  |  | 
|  | if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) { | 
|  | spice_server_set_agent_file_xfer(spice_server, false); | 
|  | } | 
|  |  | 
|  | compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ; | 
|  | str = qemu_opt_get(opts, "image-compression"); | 
|  | if (str) { | 
|  | compression = parse_compression(str); | 
|  | } | 
|  | spice_server_set_image_compression(spice_server, compression); | 
|  |  | 
|  | wan_compr = SPICE_WAN_COMPRESSION_AUTO; | 
|  | str = qemu_opt_get(opts, "jpeg-wan-compression"); | 
|  | if (str) { | 
|  | wan_compr = parse_wan_compression(str); | 
|  | } | 
|  | spice_server_set_jpeg_compression(spice_server, wan_compr); | 
|  |  | 
|  | wan_compr = SPICE_WAN_COMPRESSION_AUTO; | 
|  | str = qemu_opt_get(opts, "zlib-glz-wan-compression"); | 
|  | if (str) { | 
|  | wan_compr = parse_wan_compression(str); | 
|  | } | 
|  | spice_server_set_zlib_glz_compression(spice_server, wan_compr); | 
|  |  | 
|  | str = qemu_opt_get(opts, "streaming-video"); | 
|  | if (str) { | 
|  | int streaming_video = parse_stream_video(str); | 
|  | spice_server_set_streaming_video(spice_server, streaming_video); | 
|  | } else { | 
|  | spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF); | 
|  | } | 
|  |  | 
|  | spice_server_set_agent_mouse | 
|  | (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1)); | 
|  | spice_server_set_playback_compression | 
|  | (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1)); | 
|  |  | 
|  | qemu_opt_foreach(opts, add_channel, &tls_port, &error_fatal); | 
|  |  | 
|  | spice_server_set_name(spice_server, qemu_name ?: "QEMU " QEMU_VERSION); | 
|  | spice_server_set_uuid(spice_server, (unsigned char *)&qemu_uuid); | 
|  |  | 
|  | seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0); | 
|  | spice_server_set_seamless_migration(spice_server, seamless_migration); | 
|  | spice_server_set_sasl_appname(spice_server, "qemu"); | 
|  | if (spice_server_init(spice_server, &core_interface) != 0) { | 
|  | error_report("failed to initialize spice server"); | 
|  | exit(1); | 
|  | }; | 
|  | using_spice = 1; | 
|  |  | 
|  | migration_state.notify = migration_state_notifier; | 
|  | add_migration_state_change_notifier(&migration_state); | 
|  | spice_migrate.base.sif = &migrate_interface.base; | 
|  | qemu_spice.add_interface(&spice_migrate.base); | 
|  |  | 
|  | qemu_spice_input_init(); | 
|  |  | 
|  | qemu_spice_display_stop(); | 
|  |  | 
|  | g_free(x509_key_file); | 
|  | g_free(x509_cert_file); | 
|  | g_free(x509_cacert_file); | 
|  | g_free(password); | 
|  |  | 
|  | #ifdef HAVE_SPICE_GL | 
|  | if (qemu_opt_get_bool(opts, "gl", 0)) { | 
|  | if ((port != 0) || (tls_port != 0)) { | 
|  | error_report("SPICE GL support is local-only for now and " | 
|  | "incompatible with -spice port/tls-port"); | 
|  | exit(1); | 
|  | } | 
|  | egl_init(qemu_opt_get(opts, "rendernode"), DISPLAYGL_MODE_ON, &error_fatal); | 
|  | spice_opengl = 1; | 
|  | } | 
|  | #endif | 
|  | } | 
|  |  | 
|  | static int qemu_spice_add_interface(SpiceBaseInstance *sin) | 
|  | { | 
|  | if (!spice_server) { | 
|  | if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) { | 
|  | error_report("Oops: spice configured but not active"); | 
|  | exit(1); | 
|  | } | 
|  | /* | 
|  | * Create a spice server instance. | 
|  | * It does *not* listen on the network. | 
|  | * It handles QXL local rendering only. | 
|  | * | 
|  | * With a command line like '-vnc :0 -vga qxl' you'll end up here. | 
|  | */ | 
|  | spice_server = spice_server_new(); | 
|  | spice_server_set_sasl_appname(spice_server, "qemu"); | 
|  | spice_server_init(spice_server, &core_interface); | 
|  | qemu_add_vm_change_state_handler(vm_change_state_handler, NULL); | 
|  | } | 
|  |  | 
|  | return spice_server_add_interface(spice_server, sin); | 
|  | } | 
|  |  | 
|  | static GSList *spice_consoles; | 
|  |  | 
|  | bool qemu_spice_have_display_interface(QemuConsole *con) | 
|  | { | 
|  | if (g_slist_find(spice_consoles, con)) { | 
|  | return true; | 
|  | } | 
|  | return false; | 
|  | } | 
|  |  | 
|  | int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con) | 
|  | { | 
|  | if (g_slist_find(spice_consoles, con)) { | 
|  | return -1; | 
|  | } | 
|  | qxlin->id = qemu_console_get_index(con); | 
|  | spice_consoles = g_slist_append(spice_consoles, con); | 
|  | return qemu_spice_add_interface(&qxlin->base); | 
|  | } | 
|  |  | 
|  | static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn) | 
|  | { | 
|  | time_t lifetime, now = time(NULL); | 
|  | char *passwd; | 
|  |  | 
|  | if (now < auth_expires) { | 
|  | passwd = auth_passwd; | 
|  | lifetime = (auth_expires - now); | 
|  | if (lifetime > INT_MAX) { | 
|  | lifetime = INT_MAX; | 
|  | } | 
|  | } else { | 
|  | passwd = NULL; | 
|  | lifetime = 1; | 
|  | } | 
|  | return spice_server_set_ticket(spice_server, passwd, lifetime, | 
|  | fail_if_conn, disconnect_if_conn); | 
|  | } | 
|  |  | 
|  | static int qemu_spice_set_passwd(const char *passwd, | 
|  | bool fail_if_conn, bool disconnect_if_conn) | 
|  | { | 
|  | if (strcmp(auth, "spice") != 0) { | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | g_free(auth_passwd); | 
|  | auth_passwd = g_strdup(passwd); | 
|  | return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn); | 
|  | } | 
|  |  | 
|  | static int qemu_spice_set_pw_expire(time_t expires) | 
|  | { | 
|  | auth_expires = expires; | 
|  | return qemu_spice_set_ticket(false, false); | 
|  | } | 
|  |  | 
|  | static int qemu_spice_display_add_client(int csock, int skipauth, int tls) | 
|  | { | 
|  | #ifdef WIN32 | 
|  | csock = qemu_close_socket_osfhandle(csock); | 
|  | #endif | 
|  | if (tls) { | 
|  | return spice_server_add_ssl_client(spice_server, csock, skipauth); | 
|  | } else { | 
|  | return spice_server_add_client(spice_server, csock, skipauth); | 
|  | } | 
|  | } | 
|  |  | 
|  | void qemu_spice_display_start(void) | 
|  | { | 
|  | if (spice_display_is_running) { | 
|  | return; | 
|  | } | 
|  |  | 
|  | spice_display_is_running = true; | 
|  | spice_server_vm_start(spice_server); | 
|  | } | 
|  |  | 
|  | void qemu_spice_display_stop(void) | 
|  | { | 
|  | if (!spice_display_is_running) { | 
|  | return; | 
|  | } | 
|  |  | 
|  | spice_server_vm_stop(spice_server); | 
|  | spice_display_is_running = false; | 
|  | } | 
|  |  | 
|  | int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd) | 
|  | { | 
|  | return spice_display_is_running; | 
|  | } | 
|  |  | 
|  | static struct QemuSpiceOps real_spice_ops = { | 
|  | .init         = qemu_spice_init, | 
|  | .display_init = qemu_spice_display_init, | 
|  | .migrate_info = qemu_spice_migrate_info, | 
|  | .set_passwd   = qemu_spice_set_passwd, | 
|  | .set_pw_expire = qemu_spice_set_pw_expire, | 
|  | .display_add_client = qemu_spice_display_add_client, | 
|  | .add_interface = qemu_spice_add_interface, | 
|  | .qmp_query = qmp_query_spice_real, | 
|  | }; | 
|  |  | 
|  | static void spice_register_config(void) | 
|  | { | 
|  | qemu_spice = real_spice_ops; | 
|  | qemu_add_opts(&qemu_spice_opts); | 
|  | } | 
|  | opts_init(spice_register_config); | 
|  | module_opts("spice"); | 
|  |  | 
|  | #ifdef HAVE_SPICE_GL | 
|  | module_dep("ui-opengl"); | 
|  | #endif |