qga/commands-win32.c

   1 /*
   2  * QEMU Guest Agent win32-specific command implementations
   3  *
   4  * Copyright IBM Corp. 2012
   5  *
   6  * Authors:
   7  *  Michael Roth      <mdroth@linux.vnet.ibm.com>
   8  *  Gal Hammer        <ghammer@redhat.com>
   9  *
  10  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  11  * See the COPYING file in the top-level directory.
  12  */
  13
  14 #ifndef _WIN32_WINNT
  15 #   define _WIN32_WINNT 0x0600
  16 #endif
  17
  18 #include "qemu/osdep.h"
  19 #include <wtypes.h>
  20 #include <powrprof.h>
  21 #include <winsock2.h>
  22 #include <ws2tcpip.h>
  23 #include <iptypes.h>
  24 #include <iphlpapi.h>
  25 #ifdef CONFIG_QGA_NTDDSCSI
  26 #include <winioctl.h>
  27 #include <ntddscsi.h>
  28 #include <setupapi.h>
  29 #include <initguid.h>
  30 #endif
  31 #include <lm.h>
  32 #include <wtsapi32.h>
  33 #include <wininet.h>
  34
  35 #include "guest-agent-core.h"
  36 #include "vss-win32.h"
  37 #include "qga-qapi-commands.h"
  38 #include "qapi/error.h"
  39 #include "qapi/qmp/qerror.h"
  40 #include "qemu/queue.h"
  41 #include "qemu/host-utils.h"
  42 #include "qemu/base64.h"
  43
  44 #ifndef SHTDN_REASON_FLAG_PLANNED
  45 #define SHTDN_REASON_FLAG_PLANNED 0x80000000
  46 #endif
  47
  48 /* multiple of 100 nanoseconds elapsed between windows baseline
  49  *    (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */
  50 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \
  51                        (365 * (1970 - 1601) +       \
  52                         (1970 - 1601) / 4 - 3))
  53
  54 #define INVALID_SET_FILE_POINTER ((DWORD)-1)
  55
  56 typedef struct GuestFileHandle {
  57     int64_t id;
  58     HANDLE fh;
  59     QTAILQ_ENTRY(GuestFileHandle) next;
  60 } GuestFileHandle;
  61
  62 static struct {
  63     QTAILQ_HEAD(, GuestFileHandle) filehandles;
  64 } guest_file_state = {
  65     .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles),
  66 };
  67
  68 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA)
  69
  70 typedef struct OpenFlags {
  71     const char *forms;
  72     DWORD desired_access;
  73     DWORD creation_disposition;
  74 } OpenFlags;
  75 static OpenFlags guest_file_open_modes[] = {
  76     {"r",   GENERIC_READ,                     OPEN_EXISTING},
  77     {"rb",  GENERIC_READ,                     OPEN_EXISTING},
  78     {"w",   GENERIC_WRITE,                    CREATE_ALWAYS},
  79     {"wb",  GENERIC_WRITE,                    CREATE_ALWAYS},
  80     {"a",   FILE_GENERIC_APPEND,              OPEN_ALWAYS  },
  81     {"r+",  GENERIC_WRITE|GENERIC_READ,       OPEN_EXISTING},
  82     {"rb+", GENERIC_WRITE|GENERIC_READ,       OPEN_EXISTING},
  83     {"r+b", GENERIC_WRITE|GENERIC_READ,       OPEN_EXISTING},
  84     {"w+",  GENERIC_WRITE|GENERIC_READ,       CREATE_ALWAYS},
  85     {"wb+", GENERIC_WRITE|GENERIC_READ,       CREATE_ALWAYS},
  86     {"w+b", GENERIC_WRITE|GENERIC_READ,       CREATE_ALWAYS},
  87     {"a+",  FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS  },
  88     {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS  },
  89     {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS  }
  90 };
  91
  92 static OpenFlags *find_open_flag(const char *mode_str)
  93 {
  94     int mode;
  95     Error **errp = NULL;
  96
  97     for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) {
  98         OpenFlags *flags = guest_file_open_modes + mode;
  99
 100         if (strcmp(flags->forms, mode_str) == 0) {
 101             return flags;
 102         }
 103     }
 104
 105     error_setg(errp, "invalid file open mode '%s'", mode_str);
 106     return NULL;
 107 }
 108
 109 static int64_t guest_file_handle_add(HANDLE fh, Error **errp)
 110 {
 111     GuestFileHandle *gfh;
 112     int64_t handle;
 113
 114     handle = ga_get_fd_handle(ga_state, errp);
 115     if (handle < 0) {
 116         return -1;
 117     }
 118     gfh = g_new0(GuestFileHandle, 1);
 119     gfh->id = handle;
 120     gfh->fh = fh;
 121     QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next);
 122
 123     return handle;
 124 }
 125
 126 static GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp)
 127 {
 128     GuestFileHandle *gfh;
 129     QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) {
 130         if (gfh->id == id) {
 131             return gfh;
 132         }
 133     }
 134     error_setg(errp, "handle '%" PRId64 "' has not been found", id);
 135     return NULL;
 136 }
 137
 138 static void handle_set_nonblocking(HANDLE fh)
 139 {
 140     DWORD file_type, pipe_state;
 141     file_type = GetFileType(fh);
 142     if (file_type != FILE_TYPE_PIPE) {
 143         return;
 144     }
 145     /* If file_type == FILE_TYPE_PIPE, according to MSDN
 146      * the specified file is socket or named pipe */
 147     if (!GetNamedPipeHandleState(fh, &pipe_state, NULL,
 148                                  NULL, NULL, NULL, 0)) {
 149         return;
 150     }
 151     /* The fd is named pipe fd */
 152     if (pipe_state & PIPE_NOWAIT) {
 153         return;
 154     }
 155
 156     pipe_state |= PIPE_NOWAIT;
 157     SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL);
 158 }
 159
 160 int64_t qmp_guest_file_open(const char *path, bool has_mode,
 161                             const char *mode, Error **errp)
 162 {
 163     int64_t fd;
 164     HANDLE fh;
 165     HANDLE templ_file = NULL;
 166     DWORD share_mode = FILE_SHARE_READ;
 167     DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL;
 168     LPSECURITY_ATTRIBUTES sa_attr = NULL;
 169     OpenFlags *guest_flags;
 170
 171     if (!has_mode) {
 172         mode = "r";
 173     }
 174     slog("guest-file-open called, filepath: %s, mode: %s", path, mode);
 175     guest_flags = find_open_flag(mode);
 176     if (guest_flags == NULL) {
 177         error_setg(errp, "invalid file open mode");
 178         return -1;
 179     }
 180
 181     fh = CreateFile(path, guest_flags->desired_access, share_mode, sa_attr,
 182                     guest_flags->creation_disposition, flags_and_attr,
 183                     templ_file);
 184     if (fh == INVALID_HANDLE_VALUE) {
 185         error_setg_win32(errp, GetLastError(), "failed to open file '%s'",
 186                          path);
 187         return -1;
 188     }
 189
 190     /* set fd non-blocking to avoid common use cases (like reading from a
 191      * named pipe) from hanging the agent
 192      */
 193     handle_set_nonblocking(fh);
 194
 195     fd = guest_file_handle_add(fh, errp);
 196     if (fd < 0) {
 197         CloseHandle(fh);
 198         error_setg(errp, "failed to add handle to qmp handle table");
 199         return -1;
 200     }
 201
 202     slog("guest-file-open, handle: % " PRId64, fd);
 203     return fd;
 204 }
 205
 206 void qmp_guest_file_close(int64_t handle, Error **errp)
 207 {
 208     bool ret;
 209     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 210     slog("guest-file-close called, handle: %" PRId64, handle);
 211     if (gfh == NULL) {
 212         return;
 213     }
 214     ret = CloseHandle(gfh->fh);
 215     if (!ret) {
 216         error_setg_win32(errp, GetLastError(), "failed close handle");
 217         return;
 218     }
 219
 220     QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next);
 221     g_free(gfh);
 222 }
 223
 224 static void acquire_privilege(const char *name, Error **errp)
 225 {
 226     HANDLE token = NULL;
 227     TOKEN_PRIVILEGES priv;
 228     Error *local_err = NULL;
 229
 230     if (OpenProcessToken(GetCurrentProcess(),
 231         TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token))
 232     {
 233         if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) {
 234             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 235                        "no luid for requested privilege");
 236             goto out;
 237         }
 238
 239         priv.PrivilegeCount = 1;
 240         priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
 241
 242         if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) {
 243             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 244                        "unable to acquire requested privilege");
 245             goto out;
 246         }
 247
 248     } else {
 249         error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 250                    "failed to open privilege token");
 251     }
 252
 253 out:
 254     if (token) {
 255         CloseHandle(token);
 256     }
 257     error_propagate(errp, local_err);
 258 }
 259
 260 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque,
 261                           Error **errp)
 262 {
 263     Error *local_err = NULL;
 264
 265     HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL);
 266     if (!thread) {
 267         error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 268                    "failed to dispatch asynchronous command");
 269         error_propagate(errp, local_err);
 270     }
 271 }
 272
 273 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
 274 {
 275     Error *local_err = NULL;
 276     UINT shutdown_flag = EWX_FORCE;
 277
 278     slog("guest-shutdown called, mode: %s", mode);
 279
 280     if (!has_mode || strcmp(mode, "powerdown") == 0) {
 281         shutdown_flag |= EWX_POWEROFF;
 282     } else if (strcmp(mode, "halt") == 0) {
 283         shutdown_flag |= EWX_SHUTDOWN;
 284     } else if (strcmp(mode, "reboot") == 0) {
 285         shutdown_flag |= EWX_REBOOT;
 286     } else {
 287         error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode",
 288                    "halt|powerdown|reboot");
 289         return;
 290     }
 291
 292     /* Request a shutdown privilege, but try to shut down the system
 293        anyway. */
 294     acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
 295     if (local_err) {
 296         error_propagate(errp, local_err);
 297         return;
 298     }
 299
 300     if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) {
 301         slog("guest-shutdown failed: %lu", GetLastError());
 302         error_setg(errp, QERR_UNDEFINED_ERROR);
 303     }
 304 }
 305
 306 GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
 307                                    int64_t count, Error **errp)
 308 {
 309     GuestFileRead *read_data = NULL;
 310     guchar *buf;
 311     HANDLE fh;
 312     bool is_ok;
 313     DWORD read_count;
 314     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 315
 316     if (!gfh) {
 317         return NULL;
 318     }
 319     if (!has_count) {
 320         count = QGA_READ_COUNT_DEFAULT;
 321     } else if (count < 0 || count >= UINT32_MAX) {
 322         error_setg(errp, "value '%" PRId64
 323                    "' is invalid for argument count", count);
 324         return NULL;
 325     }
 326
 327     fh = gfh->fh;
 328     buf = g_malloc0(count+1);
 329     is_ok = ReadFile(fh, buf, count, &read_count, NULL);
 330     if (!is_ok) {
 331         error_setg_win32(errp, GetLastError(), "failed to read file");
 332         slog("guest-file-read failed, handle %" PRId64, handle);
 333     } else {
 334         buf[read_count] = 0;
 335         read_data = g_new0(GuestFileRead, 1);
 336         read_data->count = (size_t)read_count;
 337         read_data->eof = read_count == 0;
 338
 339         if (read_count != 0) {
 340             read_data->buf_b64 = g_base64_encode(buf, read_count);
 341         }
 342     }
 343     g_free(buf);
 344
 345     return read_data;
 346 }
 347
 348 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
 349                                      bool has_count, int64_t count,
 350                                      Error **errp)
 351 {
 352     GuestFileWrite *write_data = NULL;
 353     guchar *buf;
 354     gsize buf_len;
 355     bool is_ok;
 356     DWORD write_count;
 357     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 358     HANDLE fh;
 359
 360     if (!gfh) {
 361         return NULL;
 362     }
 363     fh = gfh->fh;
 364     buf = qbase64_decode(buf_b64, -1, &buf_len, errp);
 365     if (!buf) {
 366         return NULL;
 367     }
 368
 369     if (!has_count) {
 370         count = buf_len;
 371     } else if (count < 0 || count > buf_len) {
 372         error_setg(errp, "value '%" PRId64
 373                    "' is invalid for argument count", count);
 374         goto done;
 375     }
 376
 377     is_ok = WriteFile(fh, buf, count, &write_count, NULL);
 378     if (!is_ok) {
 379         error_setg_win32(errp, GetLastError(), "failed to write to file");
 380         slog("guest-file-write-failed, handle: %" PRId64, handle);
 381     } else {
 382         write_data = g_new0(GuestFileWrite, 1);
 383         write_data->count = (size_t) write_count;
 384     }
 385
 386 done:
 387     g_free(buf);
 388     return write_data;
 389 }
 390
 391 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
 392                                    GuestFileWhence *whence_code,
 393                                    Error **errp)
 394 {
 395     GuestFileHandle *gfh;
 396     GuestFileSeek *seek_data;
 397     HANDLE fh;
 398     LARGE_INTEGER new_pos, off_pos;
 399     off_pos.QuadPart = offset;
 400     BOOL res;
 401     int whence;
 402     Error *err = NULL;
 403
 404     gfh = guest_file_handle_find(handle, errp);
 405     if (!gfh) {
 406         return NULL;
 407     }
 408
 409     /* We stupidly exposed 'whence':'int' in our qapi */
 410     whence = ga_parse_whence(whence_code, &err);
 411     if (err) {
 412         error_propagate(errp, err);
 413         return NULL;
 414     }
 415
 416     fh = gfh->fh;
 417     res = SetFilePointerEx(fh, off_pos, &new_pos, whence);
 418     if (!res) {
 419         error_setg_win32(errp, GetLastError(), "failed to seek file");
 420         return NULL;
 421     }
 422     seek_data = g_new0(GuestFileSeek, 1);
 423     seek_data->position = new_pos.QuadPart;
 424     return seek_data;
 425 }
 426
 427 void qmp_guest_file_flush(int64_t handle, Error **errp)
 428 {
 429     HANDLE fh;
 430     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 431     if (!gfh) {
 432         return;
 433     }
 434
 435     fh = gfh->fh;
 436     if (!FlushFileBuffers(fh)) {
 437         error_setg_win32(errp, GetLastError(), "failed to flush file");
 438     }
 439 }
 440
 441 #ifdef CONFIG_QGA_NTDDSCSI
 442
 443 static STORAGE_BUS_TYPE win2qemu[] = {
 444     [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN,
 445     [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI,
 446     [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE,
 447     [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE,
 448     [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394,
 449     [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA,
 450     [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA,
 451     [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB,
 452     [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID,
 453 #if (_WIN32_WINNT >= 0x0600)
 454     [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI,
 455     [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS,
 456     [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA,
 457     [BusTypeSd] =  GUEST_DISK_BUS_TYPE_SD,
 458     [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC,
 459 #endif
 460 #if (_WIN32_WINNT >= 0x0601)
 461     [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL,
 462     [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL,
 463 #endif
 464 };
 465
 466 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus)
 467 {
 468     if (bus > ARRAY_SIZE(win2qemu) || (int)bus < 0) {
 469         return GUEST_DISK_BUS_TYPE_UNKNOWN;
 470     }
 471     return win2qemu[(int)bus];
 472 }
 473
 474 DEFINE_GUID(GUID_DEVINTERFACE_VOLUME,
 475         0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2,
 476         0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
 477
 478 static GuestPCIAddress *get_pci_info(char *guid, Error **errp)
 479 {
 480     HDEVINFO dev_info;
 481     SP_DEVINFO_DATA dev_info_data;
 482     DWORD size = 0;
 483     int i;
 484     char dev_name[MAX_PATH];
 485     char *buffer = NULL;
 486     GuestPCIAddress *pci = NULL;
 487     char *name = g_strdup(&guid[4]);
 488
 489     if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) {
 490         error_setg_win32(errp, GetLastError(), "failed to get dos device name");
 491         goto out;
 492     }
 493
 494     dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_VOLUME, 0, 0,
 495                                    DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
 496     if (dev_info == INVALID_HANDLE_VALUE) {
 497         error_setg_win32(errp, GetLastError(), "failed to get devices tree");
 498         goto out;
 499     }
 500
 501     dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
 502     for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
 503         DWORD addr, bus, slot, func, dev, data, size2;
 504         while (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 505                                             SPDRP_PHYSICAL_DEVICE_OBJECT_NAME,
 506                                             &data, (PBYTE)buffer, size,
 507                                             &size2)) {
 508             size = MAX(size, size2);
 509             if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
 510                 g_free(buffer);
 511                 /* Double the size to avoid problems on
 512                  * W2k MBCS systems per KB 888609.
 513                  * https://support.microsoft.com/en-us/kb/259695 */
 514                 buffer = g_malloc(size * 2);
 515             } else {
 516                 error_setg_win32(errp, GetLastError(),
 517                         "failed to get device name");
 518                 goto free_dev_info;
 519             }
 520         }
 521
 522         if (g_strcmp0(buffer, dev_name)) {
 523             continue;
 524         }
 525
 526         /* There is no need to allocate buffer in the next functions. The size
 527          * is known and ULONG according to
 528          * https://support.microsoft.com/en-us/kb/253232
 529          * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx
 530          */
 531         if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 532                    SPDRP_BUSNUMBER, &data, (PBYTE)&bus, size, NULL)) {
 533             break;
 534         }
 535
 536         /* The function retrieves the device's address. This value will be
 537          * transformed into device function and number */
 538         if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 539                    SPDRP_ADDRESS, &data, (PBYTE)&addr, size, NULL)) {
 540             break;
 541         }
 542
 543         /* This call returns UINumber of DEVICE_CAPABILITIES structure.
 544          * This number is typically a user-perceived slot number. */
 545         if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 546                    SPDRP_UI_NUMBER, &data, (PBYTE)&slot, size, NULL)) {
 547             break;
 548         }
 549
 550         /* SetupApi gives us the same information as driver with
 551          * IoGetDeviceProperty. According to Microsoft
 552          * https://support.microsoft.com/en-us/kb/253232
 553          * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF);
 554          * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF);
 555          * SPDRP_ADDRESS is propertyAddress, so we do the same.*/
 556
 557         func = addr & 0x0000FFFF;
 558         dev = (addr >> 16) & 0x0000FFFF;
 559         pci = g_malloc0(sizeof(*pci));
 560         pci->domain = dev;
 561         pci->slot = slot;
 562         pci->function = func;
 563         pci->bus = bus;
 564         break;
 565     }
 566
 567 free_dev_info:
 568     SetupDiDestroyDeviceInfoList(dev_info);
 569 out:
 570     g_free(buffer);
 571     g_free(name);
 572     return pci;
 573 }
 574
 575 static int get_disk_bus_type(HANDLE vol_h, Error **errp)
 576 {
 577     STORAGE_PROPERTY_QUERY query;
 578     STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf;
 579     DWORD received;
 580
 581     dev_desc = &buf;
 582     dev_desc->Size = sizeof(buf);
 583     query.PropertyId = StorageDeviceProperty;
 584     query.QueryType = PropertyStandardQuery;
 585
 586     if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
 587                          sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
 588                          dev_desc->Size, &received, NULL)) {
 589         error_setg_win32(errp, GetLastError(), "failed to get bus type");
 590         return -1;
 591     }
 592
 593     return dev_desc->BusType;
 594 }
 595
 596 /* VSS provider works with volumes, thus there is no difference if
 597  * the volume consist of spanned disks. Info about the first disk in the
 598  * volume is returned for the spanned disk group (LVM) */
 599 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
 600 {
 601     GuestDiskAddressList *list = NULL;
 602     GuestDiskAddress *disk;
 603     SCSI_ADDRESS addr, *scsi_ad;
 604     DWORD len;
 605     int bus;
 606     HANDLE vol_h;
 607
 608     scsi_ad = &addr;
 609     char *name = g_strndup(guid, strlen(guid)-1);
 610
 611     vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
 612                        0, NULL);
 613     if (vol_h == INVALID_HANDLE_VALUE) {
 614         error_setg_win32(errp, GetLastError(), "failed to open volume");
 615         goto out_free;
 616     }
 617
 618     bus = get_disk_bus_type(vol_h, errp);
 619     if (bus < 0) {
 620         goto out_close;
 621     }
 622
 623     disk = g_malloc0(sizeof(*disk));
 624     disk->bus_type = find_bus_type(bus);
 625     if (bus == BusTypeScsi || bus == BusTypeAta || bus == BusTypeRAID
 626 #if (_WIN32_WINNT >= 0x0600)
 627             /* This bus type is not supported before Windows Server 2003 SP1 */
 628             || bus == BusTypeSas
 629 #endif
 630         ) {
 631         /* We are able to use the same ioctls for different bus types
 632          * according to Microsoft docs
 633          * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */
 634         if (DeviceIoControl(vol_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad,
 635                             sizeof(SCSI_ADDRESS), &len, NULL)) {
 636             disk->unit = addr.Lun;
 637             disk->target = addr.TargetId;
 638             disk->bus = addr.PathId;
 639             disk->pci_controller = get_pci_info(name, errp);
 640         }
 641         /* We do not set error in this case, because we still have enough
 642          * information about volume. */
 643     } else {
 644          disk->pci_controller = NULL;
 645     }
 646
 647     list = g_malloc0(sizeof(*list));
 648     list->value = disk;
 649     list->next = NULL;
 650 out_close:
 651     CloseHandle(vol_h);
 652 out_free:
 653     g_free(name);
 654     return list;
 655 }
 656
 657 #else
 658
 659 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
 660 {
 661     return NULL;
 662 }
 663
 664 #endif /* CONFIG_QGA_NTDDSCSI */
 665
 666 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp)
 667 {
 668     DWORD info_size;
 669     char mnt, *mnt_point;
 670     char fs_name[32];
 671     char vol_info[MAX_PATH+1];
 672     size_t len;
 673     uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes;
 674     GuestFilesystemInfo *fs = NULL;
 675
 676     GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size);
 677     if (GetLastError() != ERROR_MORE_DATA) {
 678         error_setg_win32(errp, GetLastError(), "failed to get volume name");
 679         return NULL;
 680     }
 681
 682     mnt_point = g_malloc(info_size + 1);
 683     if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size,
 684                                          &info_size)) {
 685         error_setg_win32(errp, GetLastError(), "failed to get volume name");
 686         goto free;
 687     }
 688
 689     len = strlen(mnt_point);
 690     mnt_point[len] = '\\';
 691     mnt_point[len+1] = 0;
 692     if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL,
 693                               NULL, (LPSTR)&fs_name, sizeof(fs_name))) {
 694         if (GetLastError() != ERROR_NOT_READY) {
 695             error_setg_win32(errp, GetLastError(), "failed to get volume info");
 696         }
 697         goto free;
 698     }
 699
 700     fs_name[sizeof(fs_name) - 1] = 0;
 701     fs = g_malloc(sizeof(*fs));
 702     fs->name = g_strdup(guid);
 703     fs->has_total_bytes = false;
 704     fs->has_used_bytes = false;
 705     if (len == 0) {
 706         fs->mountpoint = g_strdup("System Reserved");
 707     } else {
 708         fs->mountpoint = g_strndup(mnt_point, len);
 709         if (GetDiskFreeSpaceEx(fs->mountpoint,
 710                                (PULARGE_INTEGER) & i64FreeBytesToCaller,
 711                                (PULARGE_INTEGER) & i64TotalBytes,
 712                                (PULARGE_INTEGER) & i64FreeBytes)) {
 713             fs->used_bytes = i64TotalBytes - i64FreeBytes;
 714             fs->total_bytes = i64TotalBytes;
 715             fs->has_total_bytes = true;
 716             fs->has_used_bytes = true;
 717         }
 718     }
 719     fs->type = g_strdup(fs_name);
 720     fs->disk = build_guest_disk_info(guid, errp);
 721 free:
 722     g_free(mnt_point);
 723     return fs;
 724 }
 725
 726 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp)
 727 {
 728     HANDLE vol_h;
 729     GuestFilesystemInfoList *new, *ret = NULL;
 730     char guid[256];
 731
 732     vol_h = FindFirstVolume(guid, sizeof(guid));
 733     if (vol_h == INVALID_HANDLE_VALUE) {
 734         error_setg_win32(errp, GetLastError(), "failed to find any volume");
 735         return NULL;
 736     }
 737
 738     do {
 739         GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp);
 740         if (info == NULL) {
 741             continue;
 742         }
 743         new = g_malloc(sizeof(*ret));
 744         new->value = info;
 745         new->next = ret;
 746         ret = new;
 747     } while (FindNextVolume(vol_h, guid, sizeof(guid)));
 748
 749     if (GetLastError() != ERROR_NO_MORE_FILES) {
 750         error_setg_win32(errp, GetLastError(), "failed to find next volume");
 751     }
 752
 753     FindVolumeClose(vol_h);
 754     return ret;
 755 }
 756
 757 /*
 758  * Return status of freeze/thaw
 759  */
 760 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
 761 {
 762     if (!vss_initialized()) {
 763         error_setg(errp, QERR_UNSUPPORTED);
 764         return 0;
 765     }
 766
 767     if (ga_is_frozen(ga_state)) {
 768         return GUEST_FSFREEZE_STATUS_FROZEN;
 769     }
 770
 771     return GUEST_FSFREEZE_STATUS_THAWED;
 772 }
 773
 774 /*
 775  * Freeze local file systems using Volume Shadow-copy Service.
 776  * The frozen state is limited for up to 10 seconds by VSS.
 777  */
 778 int64_t qmp_guest_fsfreeze_freeze(Error **errp)
 779 {
 780     int i;
 781     Error *local_err = NULL;
 782
 783     if (!vss_initialized()) {
 784         error_setg(errp, QERR_UNSUPPORTED);
 785         return 0;
 786     }
 787
 788     slog("guest-fsfreeze called");
 789
 790     /* cannot risk guest agent blocking itself on a write in this state */
 791     ga_set_frozen(ga_state);
 792
 793     qga_vss_fsfreeze(&i, true, &local_err);
 794     if (local_err) {
 795         error_propagate(errp, local_err);
 796         goto error;
 797     }
 798
 799     return i;
 800
 801 error:
 802     local_err = NULL;
 803     qmp_guest_fsfreeze_thaw(&local_err);
 804     if (local_err) {
 805         g_debug("cleanup thaw: %s", error_get_pretty(local_err));
 806         error_free(local_err);
 807     }
 808     return 0;
 809 }
 810
 811 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints,
 812                                        strList *mountpoints,
 813                                        Error **errp)
 814 {
 815     error_setg(errp, QERR_UNSUPPORTED);
 816
 817     return 0;
 818 }
 819
 820 /*
 821  * Thaw local file systems using Volume Shadow-copy Service.
 822  */
 823 int64_t qmp_guest_fsfreeze_thaw(Error **errp)
 824 {
 825     int i;
 826
 827     if (!vss_initialized()) {
 828         error_setg(errp, QERR_UNSUPPORTED);
 829         return 0;
 830     }
 831
 832     qga_vss_fsfreeze(&i, false, errp);
 833
 834     ga_unset_frozen(ga_state);
 835     return i;
 836 }
 837
 838 static void guest_fsfreeze_cleanup(void)
 839 {
 840     Error *err = NULL;
 841
 842     if (!vss_initialized()) {
 843         return;
 844     }
 845
 846     if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) {
 847         qmp_guest_fsfreeze_thaw(&err);
 848         if (err) {
 849             slog("failed to clean up frozen filesystems: %s",
 850                  error_get_pretty(err));
 851             error_free(err);
 852         }
 853     }
 854
 855     vss_deinit(true);
 856 }
 857
 858 /*
 859  * Walk list of mounted file systems in the guest, and discard unused
 860  * areas.
 861  */
 862 GuestFilesystemTrimResponse *
 863 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
 864 {
 865     GuestFilesystemTrimResponse *resp;
 866     HANDLE handle;
 867     WCHAR guid[MAX_PATH] = L"";
 868
 869     handle = FindFirstVolumeW(guid, ARRAYSIZE(guid));
 870     if (handle == INVALID_HANDLE_VALUE) {
 871         error_setg_win32(errp, GetLastError(), "failed to find any volume");
 872         return NULL;
 873     }
 874
 875     resp = g_new0(GuestFilesystemTrimResponse, 1);
 876
 877     do {
 878         GuestFilesystemTrimResult *res;
 879         GuestFilesystemTrimResultList *list;
 880         PWCHAR uc_path;
 881         DWORD char_count = 0;
 882         char *path, *out;
 883         GError *gerr = NULL;
 884         gchar * argv[4];
 885
 886         GetVolumePathNamesForVolumeNameW(guid, NULL, 0, &char_count);
 887
 888         if (GetLastError() != ERROR_MORE_DATA) {
 889             continue;
 890         }
 891         if (GetDriveTypeW(guid) != DRIVE_FIXED) {
 892             continue;
 893         }
 894
 895         uc_path = g_malloc(sizeof(WCHAR) * char_count);
 896         if (!GetVolumePathNamesForVolumeNameW(guid, uc_path, char_count,
 897                                               &char_count) || !*uc_path) {
 898             /* strange, but this condition could be faced even with size == 2 */
 899             g_free(uc_path);
 900             continue;
 901         }
 902
 903         res = g_new0(GuestFilesystemTrimResult, 1);
 904
 905         path = g_utf16_to_utf8(uc_path, char_count, NULL, NULL, &gerr);
 906
 907         g_free(uc_path);
 908
 909         if (!path) {
 910             res->has_error = true;
 911             res->error = g_strdup(gerr->message);
 912             g_error_free(gerr);
 913             break;
 914         }
 915
 916         res->path = path;
 917
 918         list = g_new0(GuestFilesystemTrimResultList, 1);
 919         list->value = res;
 920         list->next = resp->paths;
 921
 922         resp->paths = list;
 923
 924         memset(argv, 0, sizeof(argv));
 925         argv[0] = (gchar *)"defrag.exe";
 926         argv[1] = (gchar *)"/L";
 927         argv[2] = path;
 928
 929         if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL,
 930                           &out /* stdout */, NULL /* stdin */,
 931                           NULL, &gerr)) {
 932             res->has_error = true;
 933             res->error = g_strdup(gerr->message);
 934             g_error_free(gerr);
 935         } else {
 936             /* defrag.exe is UGLY. Exit code is ALWAYS zero.
 937                Error is reported in the output with something like
 938                (x89000020) etc code in the stdout */
 939
 940             int i;
 941             gchar **lines = g_strsplit(out, "\r\n", 0);
 942             g_free(out);
 943
 944             for (i = 0; lines[i] != NULL; i++) {
 945                 if (g_strstr_len(lines[i], -1, "(0x") == NULL) {
 946                     continue;
 947                 }
 948                 res->has_error = true;
 949                 res->error = g_strdup(lines[i]);
 950                 break;
 951             }
 952             g_strfreev(lines);
 953         }
 954     } while (FindNextVolumeW(handle, guid, ARRAYSIZE(guid)));
 955
 956     FindVolumeClose(handle);
 957     return resp;
 958 }
 959
 960 typedef enum {
 961     GUEST_SUSPEND_MODE_DISK,
 962     GUEST_SUSPEND_MODE_RAM
 963 } GuestSuspendMode;
 964
 965 static void check_suspend_mode(GuestSuspendMode mode, Error **errp)
 966 {
 967     SYSTEM_POWER_CAPABILITIES sys_pwr_caps;
 968     Error *local_err = NULL;
 969
 970     ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
 971     if (!GetPwrCapabilities(&sys_pwr_caps)) {
 972         error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 973                    "failed to determine guest suspend capabilities");
 974         goto out;
 975     }
 976
 977     switch (mode) {
 978     case GUEST_SUSPEND_MODE_DISK:
 979         if (!sys_pwr_caps.SystemS4) {
 980             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 981                        "suspend-to-disk not supported by OS");
 982         }
 983         break;
 984     case GUEST_SUSPEND_MODE_RAM:
 985         if (!sys_pwr_caps.SystemS3) {
 986             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 987                        "suspend-to-ram not supported by OS");
 988         }
 989         break;
 990     default:
 991         error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode",
 992                    "GuestSuspendMode");
 993     }
 994
 995 out:
 996     error_propagate(errp, local_err);
 997 }
 998
 999 static DWORD WINAPI do_suspend(LPVOID opaque)
1000 {
1001     GuestSuspendMode *mode = opaque;
1002     DWORD ret = 0;
1003
1004     if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) {
1005         slog("failed to suspend guest, %lu", GetLastError());
1006         ret = -1;
1007     }
1008     g_free(mode);
1009     return ret;
1010 }
1011
1012 void qmp_guest_suspend_disk(Error **errp)
1013 {
1014     Error *local_err = NULL;
1015     GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
1016
1017     *mode = GUEST_SUSPEND_MODE_DISK;
1018     check_suspend_mode(*mode, &local_err);
1019     acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
1020     execute_async(do_suspend, mode, &local_err);
1021
1022     if (local_err) {
1023         error_propagate(errp, local_err);
1024         g_free(mode);
1025     }
1026 }
1027
1028 void qmp_guest_suspend_ram(Error **errp)
1029 {
1030     Error *local_err = NULL;
1031     GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
1032
1033     *mode = GUEST_SUSPEND_MODE_RAM;
1034     check_suspend_mode(*mode, &local_err);
1035     acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
1036     execute_async(do_suspend, mode, &local_err);
1037
1038     if (local_err) {
1039         error_propagate(errp, local_err);
1040         g_free(mode);
1041     }
1042 }
1043
1044 void qmp_guest_suspend_hybrid(Error **errp)
1045 {
1046     error_setg(errp, QERR_UNSUPPORTED);
1047 }
1048
1049 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp)
1050 {
1051     IP_ADAPTER_ADDRESSES *adptr_addrs = NULL;
1052     ULONG adptr_addrs_len = 0;
1053     DWORD ret;
1054
1055     /* Call the first time to get the adptr_addrs_len. */
1056     GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
1057                          NULL, adptr_addrs, &adptr_addrs_len);
1058
1059     adptr_addrs = g_malloc(adptr_addrs_len);
1060     ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
1061                                NULL, adptr_addrs, &adptr_addrs_len);
1062     if (ret != ERROR_SUCCESS) {
1063         error_setg_win32(errp, ret, "failed to get adapters addresses");
1064         g_free(adptr_addrs);
1065         adptr_addrs = NULL;
1066     }
1067     return adptr_addrs;
1068 }
1069
1070 static char *guest_wctomb_dup(WCHAR *wstr)
1071 {
1072     char *str;
1073     size_t i;
1074
1075     i = wcslen(wstr) + 1;
1076     str = g_malloc(i);
1077     WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK,
1078                         wstr, -1, str, i, NULL, NULL);
1079     return str;
1080 }
1081
1082 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr,
1083                                Error **errp)
1084 {
1085     char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN];
1086     DWORD len;
1087     int ret;
1088
1089     if (ip_addr->Address.lpSockaddr->sa_family == AF_INET ||
1090             ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1091         len = sizeof(addr_str);
1092         ret = WSAAddressToString(ip_addr->Address.lpSockaddr,
1093                                  ip_addr->Address.iSockaddrLength,
1094                                  NULL,
1095                                  addr_str,
1096                                  &len);
1097         if (ret != 0) {
1098             error_setg_win32(errp, WSAGetLastError(),
1099                 "failed address presentation form conversion");
1100             return NULL;
1101         }
1102         return g_strdup(addr_str);
1103     }
1104     return NULL;
1105 }
1106
1107 #if (_WIN32_WINNT >= 0x0600)
1108 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
1109 {
1110     /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength
1111      * field to obtain the prefix.
1112      */
1113     return ip_addr->OnLinkPrefixLength;
1114 }
1115 #else
1116 /* When using the Windows XP and 2003 build environment, do the best we can to
1117  * figure out the prefix.
1118  */
1119 static IP_ADAPTER_INFO *guest_get_adapters_info(void)
1120 {
1121     IP_ADAPTER_INFO *adptr_info = NULL;
1122     ULONG adptr_info_len = 0;
1123     DWORD ret;
1124
1125     /* Call the first time to get the adptr_info_len. */
1126     GetAdaptersInfo(adptr_info, &adptr_info_len);
1127
1128     adptr_info = g_malloc(adptr_info_len);
1129     ret = GetAdaptersInfo(adptr_info, &adptr_info_len);
1130     if (ret != ERROR_SUCCESS) {
1131         g_free(adptr_info);
1132         adptr_info = NULL;
1133     }
1134     return adptr_info;
1135 }
1136
1137 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
1138 {
1139     int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */
1140     IP_ADAPTER_INFO *adptr_info, *info;
1141     IP_ADDR_STRING *ip;
1142     struct in_addr *p;
1143
1144     if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) {
1145         return prefix;
1146     }
1147     adptr_info = guest_get_adapters_info();
1148     if (adptr_info == NULL) {
1149         return prefix;
1150     }
1151
1152     /* Match up the passed in ip_addr with one found in adaptr_info.
1153      * The matching one in adptr_info will have the netmask.
1154      */
1155     p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr;
1156     for (info = adptr_info; info; info = info->Next) {
1157         for (ip = &info->IpAddressList; ip; ip = ip->Next) {
1158             if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) {
1159                 prefix = ctpop32(inet_addr(ip->IpMask.String));
1160                 goto out;
1161             }
1162         }
1163     }
1164 out:
1165     g_free(adptr_info);
1166     return prefix;
1167 }
1168 #endif
1169
1170 #define INTERFACE_PATH_BUF_SZ 512
1171
1172 static DWORD get_interface_index(const char *guid)
1173 {
1174     ULONG index;
1175     DWORD status;
1176     wchar_t wbuf[INTERFACE_PATH_BUF_SZ];
1177     snwprintf(wbuf, INTERFACE_PATH_BUF_SZ, L"\\device\\tcpip_%s", guid);
1178     wbuf[INTERFACE_PATH_BUF_SZ - 1] = 0;
1179     status = GetAdapterIndex (wbuf, &index);
1180     if (status != NO_ERROR) {
1181         return (DWORD)~0;
1182     } else {
1183         return index;
1184     }
1185 }
1186
1187 typedef NETIOAPI_API (WINAPI *GetIfEntry2Func)(PMIB_IF_ROW2 Row);
1188
1189 static int guest_get_network_stats(const char *name,
1190                                    GuestNetworkInterfaceStat *stats)
1191 {
1192     OSVERSIONINFO os_ver;
1193
1194     os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
1195     GetVersionEx(&os_ver);
1196     if (os_ver.dwMajorVersion >= 6) {
1197         MIB_IF_ROW2 a_mid_ifrow;
1198         GetIfEntry2Func getifentry2_ex;
1199         DWORD if_index = 0;
1200         HMODULE module = GetModuleHandle("iphlpapi");
1201         PVOID func = GetProcAddress(module, "GetIfEntry2");
1202
1203         if (func == NULL) {
1204             return -1;
1205         }
1206
1207         getifentry2_ex = (GetIfEntry2Func)func;
1208         if_index = get_interface_index(name);
1209         if (if_index == (DWORD)~0) {
1210             return -1;
1211         }
1212
1213         memset(&a_mid_ifrow, 0, sizeof(a_mid_ifrow));
1214         a_mid_ifrow.InterfaceIndex = if_index;
1215         if (NO_ERROR == getifentry2_ex(&a_mid_ifrow)) {
1216             stats->rx_bytes = a_mid_ifrow.InOctets;
1217             stats->rx_packets = a_mid_ifrow.InUcastPkts;
1218             stats->rx_errs = a_mid_ifrow.InErrors;
1219             stats->rx_dropped = a_mid_ifrow.InDiscards;
1220             stats->tx_bytes = a_mid_ifrow.OutOctets;
1221             stats->tx_packets = a_mid_ifrow.OutUcastPkts;
1222             stats->tx_errs = a_mid_ifrow.OutErrors;
1223             stats->tx_dropped = a_mid_ifrow.OutDiscards;
1224             return 0;
1225         }
1226     }
1227     return -1;
1228 }
1229
1230 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
1231 {
1232     IP_ADAPTER_ADDRESSES *adptr_addrs, *addr;
1233     IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL;
1234     GuestNetworkInterfaceList *head = NULL, *cur_item = NULL;
1235     GuestIpAddressList *head_addr, *cur_addr;
1236     GuestNetworkInterfaceList *info;
1237     GuestNetworkInterfaceStat *interface_stat = NULL;
1238     GuestIpAddressList *address_item = NULL;
1239     unsigned char *mac_addr;
1240     char *addr_str;
1241     WORD wsa_version;
1242     WSADATA wsa_data;
1243     int ret;
1244
1245     adptr_addrs = guest_get_adapters_addresses(errp);
1246     if (adptr_addrs == NULL) {
1247         return NULL;
1248     }
1249
1250     /* Make WSA APIs available. */
1251     wsa_version = MAKEWORD(2, 2);
1252     ret = WSAStartup(wsa_version, &wsa_data);
1253     if (ret != 0) {
1254         error_setg_win32(errp, ret, "failed socket startup");
1255         goto out;
1256     }
1257
1258     for (addr = adptr_addrs; addr; addr = addr->Next) {
1259         info = g_malloc0(sizeof(*info));
1260
1261         if (cur_item == NULL) {
1262             head = cur_item = info;
1263         } else {
1264             cur_item->next = info;
1265             cur_item = info;
1266         }
1267
1268         info->value = g_malloc0(sizeof(*info->value));
1269         info->value->name = guest_wctomb_dup(addr->FriendlyName);
1270
1271         if (addr->PhysicalAddressLength != 0) {
1272             mac_addr = addr->PhysicalAddress;
1273
1274             info->value->hardware_address =
1275                 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x",
1276                                 (int) mac_addr[0], (int) mac_addr[1],
1277                                 (int) mac_addr[2], (int) mac_addr[3],
1278                                 (int) mac_addr[4], (int) mac_addr[5]);
1279
1280             info->value->has_hardware_address = true;
1281         }
1282
1283         head_addr = NULL;
1284         cur_addr = NULL;
1285         for (ip_addr = addr->FirstUnicastAddress;
1286                 ip_addr;
1287                 ip_addr = ip_addr->Next) {
1288             addr_str = guest_addr_to_str(ip_addr, errp);
1289             if (addr_str == NULL) {
1290                 continue;
1291             }
1292
1293             address_item = g_malloc0(sizeof(*address_item));
1294
1295             if (!cur_addr) {
1296                 head_addr = cur_addr = address_item;
1297             } else {
1298                 cur_addr->next = address_item;
1299                 cur_addr = address_item;
1300             }
1301
1302             address_item->value = g_malloc0(sizeof(*address_item->value));
1303             address_item->value->ip_address = addr_str;
1304             address_item->value->prefix = guest_ip_prefix(ip_addr);
1305             if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) {
1306                 address_item->value->ip_address_type =
1307                     GUEST_IP_ADDRESS_TYPE_IPV4;
1308             } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1309                 address_item->value->ip_address_type =
1310                     GUEST_IP_ADDRESS_TYPE_IPV6;
1311             }
1312         }
1313         if (head_addr) {
1314             info->value->has_ip_addresses = true;
1315             info->value->ip_addresses = head_addr;
1316         }
1317         if (!info->value->has_statistics) {
1318             interface_stat = g_malloc0(sizeof(*interface_stat));
1319             if (guest_get_network_stats(addr->AdapterName,
1320                 interface_stat) == -1) {
1321                 info->value->has_statistics = false;
1322                 g_free(interface_stat);
1323             } else {
1324                 info->value->statistics = interface_stat;
1325                 info->value->has_statistics = true;
1326             }
1327         }
1328     }
1329     WSACleanup();
1330 out:
1331     g_free(adptr_addrs);
1332     return head;
1333 }
1334
1335 int64_t qmp_guest_get_time(Error **errp)
1336 {
1337     SYSTEMTIME ts = {0};
1338     FILETIME tf;
1339
1340     GetSystemTime(&ts);
1341     if (ts.wYear < 1601 || ts.wYear > 30827) {
1342         error_setg(errp, "Failed to get time");
1343         return -1;
1344     }
1345
1346     if (!SystemTimeToFileTime(&ts, &tf)) {
1347         error_setg(errp, "Failed to convert system time: %d", (int)GetLastError());
1348         return -1;
1349     }
1350
1351     return ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime)
1352                 - W32_FT_OFFSET) * 100;
1353 }
1354
1355 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp)
1356 {
1357     Error *local_err = NULL;
1358     SYSTEMTIME ts;
1359     FILETIME tf;
1360     LONGLONG time;
1361
1362     if (!has_time) {
1363         /* Unfortunately, Windows libraries don't provide an easy way to access
1364          * RTC yet:
1365          *
1366          * https://msdn.microsoft.com/en-us/library/aa908981.aspx
1367          *
1368          * Instead, a workaround is to use the Windows win32tm command to
1369          * resync the time using the Windows Time service.
1370          */
1371         LPVOID msg_buffer;
1372         DWORD ret_flags;
1373
1374         HRESULT hr = system("w32tm /resync /nowait");
1375
1376         if (GetLastError() != 0) {
1377             strerror_s((LPTSTR) & msg_buffer, 0, errno);
1378             error_setg(errp, "system(...) failed: %s", (LPCTSTR)msg_buffer);
1379         } else if (hr != 0) {
1380             if (hr == HRESULT_FROM_WIN32(ERROR_SERVICE_NOT_ACTIVE)) {
1381                 error_setg(errp, "Windows Time service not running on the "
1382                                  "guest");
1383             } else {
1384                 if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
1385                                    FORMAT_MESSAGE_FROM_SYSTEM |
1386                                    FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
1387                                    (DWORD)hr, MAKELANGID(LANG_NEUTRAL,
1388                                    SUBLANG_DEFAULT), (LPTSTR) & msg_buffer, 0,
1389                                    NULL)) {
1390                     error_setg(errp, "w32tm failed with error (0x%lx), couldn'"
1391                                      "t retrieve error message", hr);
1392                 } else {
1393                     error_setg(errp, "w32tm failed with error (0x%lx): %s", hr,
1394                                (LPCTSTR)msg_buffer);
1395                     LocalFree(msg_buffer);
1396                 }
1397             }
1398         } else if (!InternetGetConnectedState(&ret_flags, 0)) {
1399             error_setg(errp, "No internet connection on guest, sync not "
1400                              "accurate");
1401         }
1402         return;
1403     }
1404
1405     /* Validate time passed by user. */
1406     if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) {
1407         error_setg(errp, "Time %" PRId64 "is invalid", time_ns);
1408         return;
1409     }
1410
1411     time = time_ns / 100 + W32_FT_OFFSET;
1412
1413     tf.dwLowDateTime = (DWORD) time;
1414     tf.dwHighDateTime = (DWORD) (time >> 32);
1415
1416     if (!FileTimeToSystemTime(&tf, &ts)) {
1417         error_setg(errp, "Failed to convert system time %d",
1418                    (int)GetLastError());
1419         return;
1420     }
1421
1422     acquire_privilege(SE_SYSTEMTIME_NAME, &local_err);
1423     if (local_err) {
1424         error_propagate(errp, local_err);
1425         return;
1426     }
1427
1428     if (!SetSystemTime(&ts)) {
1429         error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError());
1430         return;
1431     }
1432 }
1433
1434 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
1435 {
1436     PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr;
1437     DWORD length;
1438     GuestLogicalProcessorList *head, **link;
1439     Error *local_err = NULL;
1440     int64_t current;
1441
1442     ptr = pslpi = NULL;
1443     length = 0;
1444     current = 0;
1445     head = NULL;
1446     link = &head;
1447
1448     if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) &&
1449         (GetLastError() == ERROR_INSUFFICIENT_BUFFER) &&
1450         (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) {
1451         ptr = pslpi = g_malloc0(length);
1452         if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) {
1453             error_setg(&local_err, "Failed to get processor information: %d",
1454                        (int)GetLastError());
1455         }
1456     } else {
1457         error_setg(&local_err,
1458                    "Failed to get processor information buffer length: %d",
1459                    (int)GetLastError());
1460     }
1461
1462     while ((local_err == NULL) && (length > 0)) {
1463         if (pslpi->Relationship == RelationProcessorCore) {
1464             ULONG_PTR cpu_bits = pslpi->ProcessorMask;
1465
1466             while (cpu_bits > 0) {
1467                 if (!!(cpu_bits & 1)) {
1468                     GuestLogicalProcessor *vcpu;
1469                     GuestLogicalProcessorList *entry;
1470
1471                     vcpu = g_malloc0(sizeof *vcpu);
1472                     vcpu->logical_id = current++;
1473                     vcpu->online = true;
1474                     vcpu->has_can_offline = true;
1475
1476                     entry = g_malloc0(sizeof *entry);
1477                     entry->value = vcpu;
1478
1479                     *link = entry;
1480                     link = &entry->next;
1481                 }
1482                 cpu_bits >>= 1;
1483             }
1484         }
1485         length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION);
1486         pslpi++; /* next entry */
1487     }
1488
1489     g_free(ptr);
1490
1491     if (local_err == NULL) {
1492         if (head != NULL) {
1493             return head;
1494         }
1495         /* there's no guest with zero VCPUs */
1496         error_setg(&local_err, "Guest reported zero VCPUs");
1497     }
1498
1499     qapi_free_GuestLogicalProcessorList(head);
1500     error_propagate(errp, local_err);
1501     return NULL;
1502 }
1503
1504 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
1505 {
1506     error_setg(errp, QERR_UNSUPPORTED);
1507     return -1;
1508 }
1509
1510 static gchar *
1511 get_net_error_message(gint error)
1512 {
1513     HMODULE module = NULL;
1514     gchar *retval = NULL;
1515     wchar_t *msg = NULL;
1516     int flags;
1517     size_t nchars;
1518
1519     flags = FORMAT_MESSAGE_ALLOCATE_BUFFER |
1520         FORMAT_MESSAGE_IGNORE_INSERTS |
1521         FORMAT_MESSAGE_FROM_SYSTEM;
1522
1523     if (error >= NERR_BASE && error <= MAX_NERR) {
1524         module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
1525
1526         if (module != NULL) {
1527             flags |= FORMAT_MESSAGE_FROM_HMODULE;
1528         }
1529     }
1530
1531     FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL);
1532
1533     if (msg != NULL) {
1534         nchars = wcslen(msg);
1535
1536         if (nchars >= 2 &&
1537             msg[nchars - 1] == L'\n' &&
1538             msg[nchars - 2] == L'\r') {
1539             msg[nchars - 2] = L'\0';
1540         }
1541
1542         retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL);
1543
1544         LocalFree(msg);
1545     }
1546
1547     if (module != NULL) {
1548         FreeLibrary(module);
1549     }
1550
1551     return retval;
1552 }
1553
1554 void qmp_guest_set_user_password(const char *username,
1555                                  const char *password,
1556                                  bool crypted,
1557                                  Error **errp)
1558 {
1559     NET_API_STATUS nas;
1560     char *rawpasswddata = NULL;
1561     size_t rawpasswdlen;
1562     wchar_t *user = NULL, *wpass = NULL;
1563     USER_INFO_1003 pi1003 = { 0, };
1564     GError *gerr = NULL;
1565
1566     if (crypted) {
1567         error_setg(errp, QERR_UNSUPPORTED);
1568         return;
1569     }
1570
1571     rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp);
1572     if (!rawpasswddata) {
1573         return;
1574     }
1575     rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1);
1576     rawpasswddata[rawpasswdlen] = '\0';
1577
1578     user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr);
1579     if (!user) {
1580         goto done;
1581     }
1582
1583     wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr);
1584     if (!wpass) {
1585         goto done;
1586     }
1587
1588     pi1003.usri1003_password = wpass;
1589     nas = NetUserSetInfo(NULL, user,
1590                          1003, (LPBYTE)&pi1003,
1591                          NULL);
1592
1593     if (nas != NERR_Success) {
1594         gchar *msg = get_net_error_message(nas);
1595         error_setg(errp, "failed to set password: %s", msg);
1596         g_free(msg);
1597     }
1598
1599 done:
1600     if (gerr) {
1601         error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
1602         g_error_free(gerr);
1603     }
1604     g_free(user);
1605     g_free(wpass);
1606     g_free(rawpasswddata);
1607 }
1608
1609 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
1610 {
1611     error_setg(errp, QERR_UNSUPPORTED);
1612     return NULL;
1613 }
1614
1615 GuestMemoryBlockResponseList *
1616 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp)
1617 {
1618     error_setg(errp, QERR_UNSUPPORTED);
1619     return NULL;
1620 }
1621
1622 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp)
1623 {
1624     error_setg(errp, QERR_UNSUPPORTED);
1625     return NULL;
1626 }
1627
1628 /* add unsupported commands to the blacklist */
1629 GList *ga_command_blacklist_init(GList *blacklist)
1630 {
1631     const char *list_unsupported[] = {
1632         "guest-suspend-hybrid",
1633         "guest-set-vcpus",
1634         "guest-get-memory-blocks", "guest-set-memory-blocks",
1635         "guest-get-memory-block-size",
1636         "guest-fsfreeze-freeze-list",
1637         NULL};
1638     char **p = (char **)list_unsupported;
1639
1640     while (*p) {
1641         blacklist = g_list_append(blacklist, g_strdup(*p++));
1642     }
1643
1644     if (!vss_init(true)) {
1645         g_debug("vss_init failed, vss commands are going to be disabled");
1646         const char *list[] = {
1647             "guest-get-fsinfo", "guest-fsfreeze-status",
1648             "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL};
1649         p = (char **)list;
1650
1651         while (*p) {
1652             blacklist = g_list_append(blacklist, g_strdup(*p++));
1653         }
1654     }
1655
1656     return blacklist;
1657 }
1658
1659 /* register init/cleanup routines for stateful command groups */
1660 void ga_command_state_init(GAState *s, GACommandState *cs)
1661 {
1662     if (!vss_initialized()) {
1663         ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
1664     }
1665 }
1666
1667 /* MINGW is missing two fields: IncomingFrames & OutgoingFrames */
1668 typedef struct _GA_WTSINFOA {
1669     WTS_CONNECTSTATE_CLASS State;
1670     DWORD SessionId;
1671     DWORD IncomingBytes;
1672     DWORD OutgoingBytes;
1673     DWORD IncomingFrames;
1674     DWORD OutgoingFrames;
1675     DWORD IncomingCompressedBytes;
1676     DWORD OutgoingCompressedBy;
1677     CHAR WinStationName[WINSTATIONNAME_LENGTH];
1678     CHAR Domain[DOMAIN_LENGTH];
1679     CHAR UserName[USERNAME_LENGTH + 1];
1680     LARGE_INTEGER ConnectTime;
1681     LARGE_INTEGER DisconnectTime;
1682     LARGE_INTEGER LastInputTime;
1683     LARGE_INTEGER LogonTime;
1684     LARGE_INTEGER CurrentTime;
1685
1686 } GA_WTSINFOA;
1687
1688 GuestUserList *qmp_guest_get_users(Error **err)
1689 {
1690 #if (_WIN32_WINNT >= 0x0600)
1691 #define QGA_NANOSECONDS 10000000
1692
1693     GHashTable *cache = NULL;
1694     GuestUserList *head = NULL, *cur_item = NULL;
1695
1696     DWORD buffer_size = 0, count = 0, i = 0;
1697     GA_WTSINFOA *info = NULL;
1698     WTS_SESSION_INFOA *entries = NULL;
1699     GuestUserList *item = NULL;
1700     GuestUser *user = NULL;
1701     gpointer value = NULL;
1702     INT64 login = 0;
1703     double login_time = 0;
1704
1705     cache = g_hash_table_new(g_str_hash, g_str_equal);
1706
1707     if (WTSEnumerateSessionsA(NULL, 0, 1, &entries, &count)) {
1708         for (i = 0; i < count; ++i) {
1709             buffer_size = 0;
1710             info = NULL;
1711             if (WTSQuerySessionInformationA(
1712                 NULL,
1713                 entries[i].SessionId,
1714                 WTSSessionInfo,
1715                 (LPSTR *)&info,
1716                 &buffer_size
1717             )) {
1718
1719                 if (strlen(info->UserName) == 0) {
1720                     WTSFreeMemory(info);
1721                     continue;
1722                 }
1723
1724                 login = info->LogonTime.QuadPart;
1725                 login -= W32_FT_OFFSET;
1726                 login_time = ((double)login) / QGA_NANOSECONDS;
1727
1728                 if (g_hash_table_contains(cache, info->UserName)) {
1729                     value = g_hash_table_lookup(cache, info->UserName);
1730                     user = (GuestUser *)value;
1731                     if (user->login_time > login_time) {
1732                         user->login_time = login_time;
1733                     }
1734                 } else {
1735                     item = g_new0(GuestUserList, 1);
1736                     item->value = g_new0(GuestUser, 1);
1737
1738                     item->value->user = g_strdup(info->UserName);
1739                     item->value->domain = g_strdup(info->Domain);
1740                     item->value->has_domain = true;
1741
1742                     item->value->login_time = login_time;
1743
1744                     g_hash_table_add(cache, item->value->user);
1745
1746                     if (!cur_item) {
1747                         head = cur_item = item;
1748                     } else {
1749                         cur_item->next = item;
1750                         cur_item = item;
1751                     }
1752                 }
1753             }
1754             WTSFreeMemory(info);
1755         }
1756         WTSFreeMemory(entries);
1757     }
1758     g_hash_table_destroy(cache);
1759     return head;
1760 #else
1761     error_setg(err, QERR_UNSUPPORTED);
1762     return NULL;
1763 #endif
1764 }
1765
1766 typedef struct _ga_matrix_lookup_t {
1767     int major;
1768     int minor;
1769     char const *version;
1770     char const *version_id;
1771 } ga_matrix_lookup_t;
1772
1773 static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][8] = {
1774     {
1775         /* Desktop editions */
1776         { 5, 0, "Microsoft Windows 2000",   "2000"},
1777         { 5, 1, "Microsoft Windows XP",     "xp"},
1778         { 6, 0, "Microsoft Windows Vista",  "vista"},
1779         { 6, 1, "Microsoft Windows 7"       "7"},
1780         { 6, 2, "Microsoft Windows 8",      "8"},
1781         { 6, 3, "Microsoft Windows 8.1",    "8.1"},
1782         {10, 0, "Microsoft Windows 10",     "10"},
1783         { 0, 0, 0}
1784     },{
1785         /* Server editions */
1786         { 5, 2, "Microsoft Windows Server 2003",        "2003"},
1787         { 6, 0, "Microsoft Windows Server 2008",        "2008"},
1788         { 6, 1, "Microsoft Windows Server 2008 R2",     "2008r2"},
1789         { 6, 2, "Microsoft Windows Server 2012",        "2012"},
1790         { 6, 3, "Microsoft Windows Server 2012 R2",     "2012r2"},
1791         {10, 0, "Microsoft Windows Server 2016",        "2016"},
1792         { 0, 0, 0},
1793         { 0, 0, 0}
1794     }
1795 };
1796
1797 static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp)
1798 {
1799     typedef NTSTATUS(WINAPI * rtl_get_version_t)(
1800         RTL_OSVERSIONINFOEXW *os_version_info_ex);
1801
1802     info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW);
1803
1804     HMODULE module = GetModuleHandle("ntdll");
1805     PVOID fun = GetProcAddress(module, "RtlGetVersion");
1806     if (fun == NULL) {
1807         error_setg(errp, QERR_QGA_COMMAND_FAILED,
1808             "Failed to get address of RtlGetVersion");
1809         return;
1810     }
1811
1812     rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun;
1813     rtl_get_version(info);
1814     return;
1815 }
1816
1817 static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id)
1818 {
1819     DWORD major = os_version->dwMajorVersion;
1820     DWORD minor = os_version->dwMinorVersion;
1821     int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION);
1822     ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx];
1823     while (table->version != NULL) {
1824         if (major == table->major && minor == table->minor) {
1825             if (id) {
1826                 return g_strdup(table->version_id);
1827             } else {
1828                 return g_strdup(table->version);
1829             }
1830         }
1831         ++table;
1832     }
1833     slog("failed to lookup Windows version: major=%lu, minor=%lu",
1834         major, minor);
1835     return g_strdup("N/A");
1836 }
1837
1838 static char *ga_get_win_product_name(Error **errp)
1839 {
1840     HKEY key = NULL;
1841     DWORD size = 128;
1842     char *result = g_malloc0(size);
1843     LONG err = ERROR_SUCCESS;
1844
1845     err = RegOpenKeyA(HKEY_LOCAL_MACHINE,
1846                       "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion",
1847                       &key);
1848     if (err != ERROR_SUCCESS) {
1849         error_setg_win32(errp, err, "failed to open registry key");
1850         goto fail;
1851     }
1852
1853     err = RegQueryValueExA(key, "ProductName", NULL, NULL,
1854                             (LPBYTE)result, &size);
1855     if (err == ERROR_MORE_DATA) {
1856         slog("ProductName longer than expected (%lu bytes), retrying",
1857                 size);
1858         g_free(result);
1859         result = NULL;
1860         if (size > 0) {
1861             result = g_malloc0(size);
1862             err = RegQueryValueExA(key, "ProductName", NULL, NULL,
1863                                     (LPBYTE)result, &size);
1864         }
1865     }
1866     if (err != ERROR_SUCCESS) {
1867         error_setg_win32(errp, err, "failed to retrive ProductName");
1868         goto fail;
1869     }
1870
1871     return result;
1872
1873 fail:
1874     g_free(result);
1875     return NULL;
1876 }
1877
1878 static char *ga_get_current_arch(void)
1879 {
1880     SYSTEM_INFO info;
1881     GetNativeSystemInfo(&info);
1882     char *result = NULL;
1883     switch (info.wProcessorArchitecture) {
1884     case PROCESSOR_ARCHITECTURE_AMD64:
1885         result = g_strdup("x86_64");
1886         break;
1887     case PROCESSOR_ARCHITECTURE_ARM:
1888         result = g_strdup("arm");
1889         break;
1890     case PROCESSOR_ARCHITECTURE_IA64:
1891         result = g_strdup("ia64");
1892         break;
1893     case PROCESSOR_ARCHITECTURE_INTEL:
1894         result = g_strdup("x86");
1895         break;
1896     case PROCESSOR_ARCHITECTURE_UNKNOWN:
1897     default:
1898         slog("unknown processor architecture 0x%0x",
1899             info.wProcessorArchitecture);
1900         result = g_strdup("unknown");
1901         break;
1902     }
1903     return result;
1904 }
1905
1906 GuestOSInfo *qmp_guest_get_osinfo(Error **errp)
1907 {
1908     Error *local_err = NULL;
1909     OSVERSIONINFOEXW os_version = {0};
1910     bool server;
1911     char *product_name;
1912     GuestOSInfo *info;
1913
1914     ga_get_win_version(&os_version, &local_err);
1915     if (local_err) {
1916         error_propagate(errp, local_err);
1917         return NULL;
1918     }
1919
1920     server = os_version.wProductType != VER_NT_WORKSTATION;
1921     product_name = ga_get_win_product_name(&local_err);
1922     if (product_name == NULL) {
1923         error_propagate(errp, local_err);
1924         return NULL;
1925     }
1926
1927     info = g_new0(GuestOSInfo, 1);
1928
1929     info->has_kernel_version = true;
1930     info->kernel_version = g_strdup_printf("%lu.%lu",
1931         os_version.dwMajorVersion,
1932         os_version.dwMinorVersion);
1933     info->has_kernel_release = true;
1934     info->kernel_release = g_strdup_printf("%lu",
1935         os_version.dwBuildNumber);
1936     info->has_machine = true;
1937     info->machine = ga_get_current_arch();
1938
1939     info->has_id = true;
1940     info->id = g_strdup("mswindows");
1941     info->has_name = true;
1942     info->name = g_strdup("Microsoft Windows");
1943     info->has_pretty_name = true;
1944     info->pretty_name = product_name;
1945     info->has_version = true;
1946     info->version = ga_get_win_name(&os_version, false);
1947     info->has_version_id = true;
1948     info->version_id = ga_get_win_name(&os_version, true);
1949     info->has_variant = true;
1950     info->variant = g_strdup(server ? "server" : "client");
1951     info->has_variant_id = true;
1952     info->variant_id = g_strdup(server ? "server" : "client");
1953
1954     return info;
1955 }