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 #include <glib.h>
  15 #include <wtypes.h>
  16 #include <powrprof.h>
  17 #include <stdio.h>
  18 #include <string.h>
  19 #include <winsock2.h>
  20 #include <ws2tcpip.h>
  21 #include <iptypes.h>
  22 #include <iphlpapi.h>
  23 #ifdef CONFIG_QGA_NTDDSCSI
  24 #include <winioctl.h>
  25 #include <ntddscsi.h>
  26 #include <setupapi.h>
  27 #include <initguid.h>
  28 #endif
  29 #include <lm.h>
  30
  31 #include "qga/guest-agent-core.h"
  32 #include "qga/vss-win32.h"
  33 #include "qga-qmp-commands.h"
  34 #include "qapi/qmp/qerror.h"
  35 #include "qemu/queue.h"
  36 #include "qemu/host-utils.h"
  37
  38 #ifndef SHTDN_REASON_FLAG_PLANNED
  39 #define SHTDN_REASON_FLAG_PLANNED 0x80000000
  40 #endif
  41
  42 /* multiple of 100 nanoseconds elapsed between windows baseline
  43  *    (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */
  44 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \
  45                        (365 * (1970 - 1601) +       \
  46                         (1970 - 1601) / 4 - 3))
  47
  48 #define INVALID_SET_FILE_POINTER ((DWORD)-1)
  49
  50 typedef struct GuestFileHandle {
  51     int64_t id;
  52     HANDLE fh;
  53     QTAILQ_ENTRY(GuestFileHandle) next;
  54 } GuestFileHandle;
  55
  56 static struct {
  57     QTAILQ_HEAD(, GuestFileHandle) filehandles;
  58 } guest_file_state = {
  59     .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles),
  60 };
  61
  62
  63 typedef struct OpenFlags {
  64     const char *forms;
  65     DWORD desired_access;
  66     DWORD creation_disposition;
  67 } OpenFlags;
  68 static OpenFlags guest_file_open_modes[] = {
  69     {"r",   GENERIC_READ,               OPEN_EXISTING},
  70     {"rb",  GENERIC_READ,               OPEN_EXISTING},
  71     {"w",   GENERIC_WRITE,              CREATE_ALWAYS},
  72     {"wb",  GENERIC_WRITE,              CREATE_ALWAYS},
  73     {"a",   GENERIC_WRITE,              OPEN_ALWAYS  },
  74     {"r+",  GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
  75     {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
  76     {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING},
  77     {"w+",  GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
  78     {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
  79     {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS},
  80     {"a+",  GENERIC_WRITE|GENERIC_READ, OPEN_ALWAYS  },
  81     {"ab+", GENERIC_WRITE|GENERIC_READ, OPEN_ALWAYS  },
  82     {"a+b", GENERIC_WRITE|GENERIC_READ, OPEN_ALWAYS  }
  83 };
  84
  85 static OpenFlags *find_open_flag(const char *mode_str)
  86 {
  87     int mode;
  88     Error **errp = NULL;
  89
  90     for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) {
  91         OpenFlags *flags = guest_file_open_modes + mode;
  92
  93         if (strcmp(flags->forms, mode_str) == 0) {
  94             return flags;
  95         }
  96     }
  97
  98     error_setg(errp, "invalid file open mode '%s'", mode_str);
  99     return NULL;
 100 }
 101
 102 static int64_t guest_file_handle_add(HANDLE fh, Error **errp)
 103 {
 104     GuestFileHandle *gfh;
 105     int64_t handle;
 106
 107     handle = ga_get_fd_handle(ga_state, errp);
 108     if (handle < 0) {
 109         return -1;
 110     }
 111     gfh = g_new0(GuestFileHandle, 1);
 112     gfh->id = handle;
 113     gfh->fh = fh;
 114     QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next);
 115
 116     return handle;
 117 }
 118
 119 static GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp)
 120 {
 121     GuestFileHandle *gfh;
 122     QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) {
 123         if (gfh->id == id) {
 124             return gfh;
 125         }
 126     }
 127     error_setg(errp, "handle '%" PRId64 "' has not been found", id);
 128     return NULL;
 129 }
 130
 131 static void handle_set_nonblocking(HANDLE fh)
 132 {
 133     DWORD file_type, pipe_state;
 134     file_type = GetFileType(fh);
 135     if (file_type != FILE_TYPE_PIPE) {
 136         return;
 137     }
 138     /* If file_type == FILE_TYPE_PIPE, according to MSDN
 139      * the specified file is socket or named pipe */
 140     if (!GetNamedPipeHandleState(fh, &pipe_state, NULL,
 141                                  NULL, NULL, NULL, 0)) {
 142         return;
 143     }
 144     /* The fd is named pipe fd */
 145     if (pipe_state & PIPE_NOWAIT) {
 146         return;
 147     }
 148
 149     pipe_state |= PIPE_NOWAIT;
 150     SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL);
 151 }
 152
 153 int64_t qmp_guest_file_open(const char *path, bool has_mode,
 154                             const char *mode, Error **errp)
 155 {
 156     int64_t fd;
 157     HANDLE fh;
 158     HANDLE templ_file = NULL;
 159     DWORD share_mode = FILE_SHARE_READ;
 160     DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL;
 161     LPSECURITY_ATTRIBUTES sa_attr = NULL;
 162     OpenFlags *guest_flags;
 163
 164     if (!has_mode) {
 165         mode = "r";
 166     }
 167     slog("guest-file-open called, filepath: %s, mode: %s", path, mode);
 168     guest_flags = find_open_flag(mode);
 169     if (guest_flags == NULL) {
 170         error_setg(errp, "invalid file open mode");
 171         return -1;
 172     }
 173
 174     fh = CreateFile(path, guest_flags->desired_access, share_mode, sa_attr,
 175                     guest_flags->creation_disposition, flags_and_attr,
 176                     templ_file);
 177     if (fh == INVALID_HANDLE_VALUE) {
 178         error_setg_win32(errp, GetLastError(), "failed to open file '%s'",
 179                          path);
 180         return -1;
 181     }
 182
 183     /* set fd non-blocking to avoid common use cases (like reading from a
 184      * named pipe) from hanging the agent
 185      */
 186     handle_set_nonblocking(fh);
 187
 188     fd = guest_file_handle_add(fh, errp);
 189     if (fd < 0) {
 190         CloseHandle(fh);
 191         error_setg(errp, "failed to add handle to qmp handle table");
 192         return -1;
 193     }
 194
 195     slog("guest-file-open, handle: % " PRId64, fd);
 196     return fd;
 197 }
 198
 199 void qmp_guest_file_close(int64_t handle, Error **errp)
 200 {
 201     bool ret;
 202     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 203     slog("guest-file-close called, handle: %" PRId64, handle);
 204     if (gfh == NULL) {
 205         return;
 206     }
 207     ret = CloseHandle(gfh->fh);
 208     if (!ret) {
 209         error_setg_win32(errp, GetLastError(), "failed close handle");
 210         return;
 211     }
 212
 213     QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next);
 214     g_free(gfh);
 215 }
 216
 217 static void acquire_privilege(const char *name, Error **errp)
 218 {
 219     HANDLE token = NULL;
 220     TOKEN_PRIVILEGES priv;
 221     Error *local_err = NULL;
 222
 223     if (OpenProcessToken(GetCurrentProcess(),
 224         TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token))
 225     {
 226         if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) {
 227             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 228                        "no luid for requested privilege");
 229             goto out;
 230         }
 231
 232         priv.PrivilegeCount = 1;
 233         priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
 234
 235         if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) {
 236             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 237                        "unable to acquire requested privilege");
 238             goto out;
 239         }
 240
 241     } else {
 242         error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 243                    "failed to open privilege token");
 244     }
 245
 246 out:
 247     if (token) {
 248         CloseHandle(token);
 249     }
 250     if (local_err) {
 251         error_propagate(errp, local_err);
 252     }
 253 }
 254
 255 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque,
 256                           Error **errp)
 257 {
 258     Error *local_err = NULL;
 259
 260     HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL);
 261     if (!thread) {
 262         error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 263                    "failed to dispatch asynchronous command");
 264         error_propagate(errp, local_err);
 265     }
 266 }
 267
 268 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
 269 {
 270     Error *local_err = NULL;
 271     UINT shutdown_flag = EWX_FORCE;
 272
 273     slog("guest-shutdown called, mode: %s", mode);
 274
 275     if (!has_mode || strcmp(mode, "powerdown") == 0) {
 276         shutdown_flag |= EWX_POWEROFF;
 277     } else if (strcmp(mode, "halt") == 0) {
 278         shutdown_flag |= EWX_SHUTDOWN;
 279     } else if (strcmp(mode, "reboot") == 0) {
 280         shutdown_flag |= EWX_REBOOT;
 281     } else {
 282         error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode",
 283                    "halt|powerdown|reboot");
 284         return;
 285     }
 286
 287     /* Request a shutdown privilege, but try to shut down the system
 288        anyway. */
 289     acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
 290     if (local_err) {
 291         error_propagate(errp, local_err);
 292         return;
 293     }
 294
 295     if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) {
 296         slog("guest-shutdown failed: %lu", GetLastError());
 297         error_setg(errp, QERR_UNDEFINED_ERROR);
 298     }
 299 }
 300
 301 GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
 302                                    int64_t count, Error **errp)
 303 {
 304     GuestFileRead *read_data = NULL;
 305     guchar *buf;
 306     HANDLE fh;
 307     bool is_ok;
 308     DWORD read_count;
 309     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 310
 311     if (!gfh) {
 312         return NULL;
 313     }
 314     if (!has_count) {
 315         count = QGA_READ_COUNT_DEFAULT;
 316     } else if (count < 0) {
 317         error_setg(errp, "value '%" PRId64
 318                    "' is invalid for argument count", count);
 319         return NULL;
 320     }
 321
 322     fh = gfh->fh;
 323     buf = g_malloc0(count+1);
 324     is_ok = ReadFile(fh, buf, count, &read_count, NULL);
 325     if (!is_ok) {
 326         error_setg_win32(errp, GetLastError(), "failed to read file");
 327         slog("guest-file-read failed, handle %" PRId64, handle);
 328     } else {
 329         buf[read_count] = 0;
 330         read_data = g_new0(GuestFileRead, 1);
 331         read_data->count = (size_t)read_count;
 332         read_data->eof = read_count == 0;
 333
 334         if (read_count != 0) {
 335             read_data->buf_b64 = g_base64_encode(buf, read_count);
 336         }
 337     }
 338     g_free(buf);
 339
 340     return read_data;
 341 }
 342
 343 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
 344                                      bool has_count, int64_t count,
 345                                      Error **errp)
 346 {
 347     GuestFileWrite *write_data = NULL;
 348     guchar *buf;
 349     gsize buf_len;
 350     bool is_ok;
 351     DWORD write_count;
 352     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 353     HANDLE fh;
 354
 355     if (!gfh) {
 356         return NULL;
 357     }
 358     fh = gfh->fh;
 359     buf = g_base64_decode(buf_b64, &buf_len);
 360
 361     if (!has_count) {
 362         count = buf_len;
 363     } else if (count < 0 || count > buf_len) {
 364         error_setg(errp, "value '%" PRId64
 365                    "' is invalid for argument count", count);
 366         goto done;
 367     }
 368
 369     is_ok = WriteFile(fh, buf, count, &write_count, NULL);
 370     if (!is_ok) {
 371         error_setg_win32(errp, GetLastError(), "failed to write to file");
 372         slog("guest-file-write-failed, handle: %" PRId64, handle);
 373     } else {
 374         write_data = g_new0(GuestFileWrite, 1);
 375         write_data->count = (size_t) write_count;
 376     }
 377
 378 done:
 379     g_free(buf);
 380     return write_data;
 381 }
 382
 383 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
 384                                    int64_t whence, Error **errp)
 385 {
 386     GuestFileHandle *gfh;
 387     GuestFileSeek *seek_data;
 388     HANDLE fh;
 389     LARGE_INTEGER new_pos, off_pos;
 390     off_pos.QuadPart = offset;
 391     BOOL res;
 392     gfh = guest_file_handle_find(handle, errp);
 393     if (!gfh) {
 394         return NULL;
 395     }
 396
 397     fh = gfh->fh;
 398     res = SetFilePointerEx(fh, off_pos, &new_pos, whence);
 399     if (!res) {
 400         error_setg_win32(errp, GetLastError(), "failed to seek file");
 401         return NULL;
 402     }
 403     seek_data = g_new0(GuestFileSeek, 1);
 404     seek_data->position = new_pos.QuadPart;
 405     return seek_data;
 406 }
 407
 408 void qmp_guest_file_flush(int64_t handle, Error **errp)
 409 {
 410     HANDLE fh;
 411     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 412     if (!gfh) {
 413         return;
 414     }
 415
 416     fh = gfh->fh;
 417     if (!FlushFileBuffers(fh)) {
 418         error_setg_win32(errp, GetLastError(), "failed to flush file");
 419     }
 420 }
 421
 422 #ifdef CONFIG_QGA_NTDDSCSI
 423
 424 static STORAGE_BUS_TYPE win2qemu[] = {
 425     [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN,
 426     [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI,
 427     [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE,
 428     [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE,
 429     [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394,
 430     [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA,
 431     [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA,
 432     [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB,
 433     [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID,
 434 #if (_WIN32_WINNT >= 0x0600)
 435     [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI,
 436     [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS,
 437     [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA,
 438     [BusTypeSd] =  GUEST_DISK_BUS_TYPE_SD,
 439     [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC,
 440 #endif
 441 #if (_WIN32_WINNT >= 0x0601)
 442     [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL,
 443     [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL,
 444 #endif
 445 };
 446
 447 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus)
 448 {
 449     if (bus > ARRAY_SIZE(win2qemu) || (int)bus < 0) {
 450         return GUEST_DISK_BUS_TYPE_UNKNOWN;
 451     }
 452     return win2qemu[(int)bus];
 453 }
 454
 455 DEFINE_GUID(GUID_DEVINTERFACE_VOLUME,
 456         0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2,
 457         0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
 458
 459 static GuestPCIAddress *get_pci_info(char *guid, Error **errp)
 460 {
 461     HDEVINFO dev_info;
 462     SP_DEVINFO_DATA dev_info_data;
 463     DWORD size = 0;
 464     int i;
 465     char dev_name[MAX_PATH];
 466     char *buffer = NULL;
 467     GuestPCIAddress *pci = NULL;
 468     char *name = g_strdup(&guid[4]);
 469
 470     if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) {
 471         error_setg_win32(errp, GetLastError(), "failed to get dos device name");
 472         goto out;
 473     }
 474
 475     dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_VOLUME, 0, 0,
 476                                    DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
 477     if (dev_info == INVALID_HANDLE_VALUE) {
 478         error_setg_win32(errp, GetLastError(), "failed to get devices tree");
 479         goto out;
 480     }
 481
 482     dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
 483     for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
 484         DWORD addr, bus, slot, func, dev, data, size2;
 485         while (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 486                                             SPDRP_PHYSICAL_DEVICE_OBJECT_NAME,
 487                                             &data, (PBYTE)buffer, size,
 488                                             &size2)) {
 489             size = MAX(size, size2);
 490             if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
 491                 g_free(buffer);
 492                 /* Double the size to avoid problems on
 493                  * W2k MBCS systems per KB 888609.
 494                  * https://support.microsoft.com/en-us/kb/259695 */
 495                 buffer = g_malloc(size * 2);
 496             } else {
 497                 error_setg_win32(errp, GetLastError(),
 498                         "failed to get device name");
 499                 goto out;
 500             }
 501         }
 502
 503         if (g_strcmp0(buffer, dev_name)) {
 504             continue;
 505         }
 506
 507         /* There is no need to allocate buffer in the next functions. The size
 508          * is known and ULONG according to
 509          * https://support.microsoft.com/en-us/kb/253232
 510          * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx
 511          */
 512         if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 513                    SPDRP_BUSNUMBER, &data, (PBYTE)&bus, size, NULL)) {
 514             break;
 515         }
 516
 517         /* The function retrieves the device's address. This value will be
 518          * transformed into device function and number */
 519         if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 520                    SPDRP_ADDRESS, &data, (PBYTE)&addr, size, NULL)) {
 521             break;
 522         }
 523
 524         /* This call returns UINumber of DEVICE_CAPABILITIES structure.
 525          * This number is typically a user-perceived slot number. */
 526         if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 527                    SPDRP_UI_NUMBER, &data, (PBYTE)&slot, size, NULL)) {
 528             break;
 529         }
 530
 531         /* SetupApi gives us the same information as driver with
 532          * IoGetDeviceProperty. According to Microsoft
 533          * https://support.microsoft.com/en-us/kb/253232
 534          * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF);
 535          * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF);
 536          * SPDRP_ADDRESS is propertyAddress, so we do the same.*/
 537
 538         func = addr & 0x0000FFFF;
 539         dev = (addr >> 16) & 0x0000FFFF;
 540         pci = g_malloc0(sizeof(*pci));
 541         pci->domain = dev;
 542         pci->slot = slot;
 543         pci->function = func;
 544         pci->bus = bus;
 545         break;
 546     }
 547 out:
 548     g_free(buffer);
 549     g_free(name);
 550     return pci;
 551 }
 552
 553 static int get_disk_bus_type(HANDLE vol_h, Error **errp)
 554 {
 555     STORAGE_PROPERTY_QUERY query;
 556     STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf;
 557     DWORD received;
 558
 559     dev_desc = &buf;
 560     dev_desc->Size = sizeof(buf);
 561     query.PropertyId = StorageDeviceProperty;
 562     query.QueryType = PropertyStandardQuery;
 563
 564     if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
 565                          sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
 566                          dev_desc->Size, &received, NULL)) {
 567         error_setg_win32(errp, GetLastError(), "failed to get bus type");
 568         return -1;
 569     }
 570
 571     return dev_desc->BusType;
 572 }
 573
 574 /* VSS provider works with volumes, thus there is no difference if
 575  * the volume consist of spanned disks. Info about the first disk in the
 576  * volume is returned for the spanned disk group (LVM) */
 577 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
 578 {
 579     GuestDiskAddressList *list = NULL;
 580     GuestDiskAddress *disk;
 581     SCSI_ADDRESS addr, *scsi_ad;
 582     DWORD len;
 583     int bus;
 584     HANDLE vol_h;
 585
 586     scsi_ad = &addr;
 587     char *name = g_strndup(guid, strlen(guid)-1);
 588
 589     vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
 590                        0, NULL);
 591     if (vol_h == INVALID_HANDLE_VALUE) {
 592         error_setg_win32(errp, GetLastError(), "failed to open volume");
 593         goto out_free;
 594     }
 595
 596     bus = get_disk_bus_type(vol_h, errp);
 597     if (bus < 0) {
 598         goto out_close;
 599     }
 600
 601     disk = g_malloc0(sizeof(*disk));
 602     disk->bus_type = find_bus_type(bus);
 603     if (bus == BusTypeScsi || bus == BusTypeAta || bus == BusTypeRAID
 604 #if (_WIN32_WINNT >= 0x0600)
 605             /* This bus type is not supported before Windows Server 2003 SP1 */
 606             || bus == BusTypeSas
 607 #endif
 608         ) {
 609         /* We are able to use the same ioctls for different bus types
 610          * according to Microsoft docs
 611          * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */
 612         if (DeviceIoControl(vol_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad,
 613                             sizeof(SCSI_ADDRESS), &len, NULL)) {
 614             disk->unit = addr.Lun;
 615             disk->target = addr.TargetId;
 616             disk->bus = addr.PathId;
 617             disk->pci_controller = get_pci_info(name, errp);
 618         }
 619         /* We do not set error in this case, because we still have enough
 620          * information about volume. */
 621     } else {
 622          disk->pci_controller = NULL;
 623     }
 624
 625     list = g_malloc0(sizeof(*list));
 626     list->value = disk;
 627     list->next = NULL;
 628 out_close:
 629     CloseHandle(vol_h);
 630 out_free:
 631     g_free(name);
 632     return list;
 633 }
 634
 635 #else
 636
 637 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
 638 {
 639     return NULL;
 640 }
 641
 642 #endif /* CONFIG_QGA_NTDDSCSI */
 643
 644 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp)
 645 {
 646     DWORD info_size;
 647     char mnt, *mnt_point;
 648     char fs_name[32];
 649     char vol_info[MAX_PATH+1];
 650     size_t len;
 651     GuestFilesystemInfo *fs = NULL;
 652
 653     GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size);
 654     if (GetLastError() != ERROR_MORE_DATA) {
 655         error_setg_win32(errp, GetLastError(), "failed to get volume name");
 656         return NULL;
 657     }
 658
 659     mnt_point = g_malloc(info_size + 1);
 660     if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size,
 661                                          &info_size)) {
 662         error_setg_win32(errp, GetLastError(), "failed to get volume name");
 663         goto free;
 664     }
 665
 666     len = strlen(mnt_point);
 667     mnt_point[len] = '\\';
 668     mnt_point[len+1] = 0;
 669     if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL,
 670                               NULL, (LPSTR)&fs_name, sizeof(fs_name))) {
 671         if (GetLastError() != ERROR_NOT_READY) {
 672             error_setg_win32(errp, GetLastError(), "failed to get volume info");
 673         }
 674         goto free;
 675     }
 676
 677     fs_name[sizeof(fs_name) - 1] = 0;
 678     fs = g_malloc(sizeof(*fs));
 679     fs->name = g_strdup(guid);
 680     if (len == 0) {
 681         fs->mountpoint = g_strdup("System Reserved");
 682     } else {
 683         fs->mountpoint = g_strndup(mnt_point, len);
 684     }
 685     fs->type = g_strdup(fs_name);
 686     fs->disk = build_guest_disk_info(guid, errp);
 687 free:
 688     g_free(mnt_point);
 689     return fs;
 690 }
 691
 692 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp)
 693 {
 694     HANDLE vol_h;
 695     GuestFilesystemInfoList *new, *ret = NULL;
 696     char guid[256];
 697
 698     vol_h = FindFirstVolume(guid, sizeof(guid));
 699     if (vol_h == INVALID_HANDLE_VALUE) {
 700         error_setg_win32(errp, GetLastError(), "failed to find any volume");
 701         return NULL;
 702     }
 703
 704     do {
 705         GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp);
 706         if (info == NULL) {
 707             continue;
 708         }
 709         new = g_malloc(sizeof(*ret));
 710         new->value = info;
 711         new->next = ret;
 712         ret = new;
 713     } while (FindNextVolume(vol_h, guid, sizeof(guid)));
 714
 715     if (GetLastError() != ERROR_NO_MORE_FILES) {
 716         error_setg_win32(errp, GetLastError(), "failed to find next volume");
 717     }
 718
 719     FindVolumeClose(vol_h);
 720     return ret;
 721 }
 722
 723 /*
 724  * Return status of freeze/thaw
 725  */
 726 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
 727 {
 728     if (!vss_initialized()) {
 729         error_setg(errp, QERR_UNSUPPORTED);
 730         return 0;
 731     }
 732
 733     if (ga_is_frozen(ga_state)) {
 734         return GUEST_FSFREEZE_STATUS_FROZEN;
 735     }
 736
 737     return GUEST_FSFREEZE_STATUS_THAWED;
 738 }
 739
 740 /*
 741  * Freeze local file systems using Volume Shadow-copy Service.
 742  * The frozen state is limited for up to 10 seconds by VSS.
 743  */
 744 int64_t qmp_guest_fsfreeze_freeze(Error **errp)
 745 {
 746     int i;
 747     Error *local_err = NULL;
 748
 749     if (!vss_initialized()) {
 750         error_setg(errp, QERR_UNSUPPORTED);
 751         return 0;
 752     }
 753
 754     slog("guest-fsfreeze called");
 755
 756     /* cannot risk guest agent blocking itself on a write in this state */
 757     ga_set_frozen(ga_state);
 758
 759     qga_vss_fsfreeze(&i, &local_err, true);
 760     if (local_err) {
 761         error_propagate(errp, local_err);
 762         goto error;
 763     }
 764
 765     return i;
 766
 767 error:
 768     local_err = NULL;
 769     qmp_guest_fsfreeze_thaw(&local_err);
 770     if (local_err) {
 771         g_debug("cleanup thaw: %s", error_get_pretty(local_err));
 772         error_free(local_err);
 773     }
 774     return 0;
 775 }
 776
 777 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints,
 778                                        strList *mountpoints,
 779                                        Error **errp)
 780 {
 781     error_setg(errp, QERR_UNSUPPORTED);
 782
 783     return 0;
 784 }
 785
 786 /*
 787  * Thaw local file systems using Volume Shadow-copy Service.
 788  */
 789 int64_t qmp_guest_fsfreeze_thaw(Error **errp)
 790 {
 791     int i;
 792
 793     if (!vss_initialized()) {
 794         error_setg(errp, QERR_UNSUPPORTED);
 795         return 0;
 796     }
 797
 798     qga_vss_fsfreeze(&i, errp, false);
 799
 800     ga_unset_frozen(ga_state);
 801     return i;
 802 }
 803
 804 static void guest_fsfreeze_cleanup(void)
 805 {
 806     Error *err = NULL;
 807
 808     if (!vss_initialized()) {
 809         return;
 810     }
 811
 812     if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) {
 813         qmp_guest_fsfreeze_thaw(&err);
 814         if (err) {
 815             slog("failed to clean up frozen filesystems: %s",
 816                  error_get_pretty(err));
 817             error_free(err);
 818         }
 819     }
 820
 821     vss_deinit(true);
 822 }
 823
 824 /*
 825  * Walk list of mounted file systems in the guest, and discard unused
 826  * areas.
 827  */
 828 GuestFilesystemTrimResponse *
 829 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
 830 {
 831     error_setg(errp, QERR_UNSUPPORTED);
 832     return NULL;
 833 }
 834
 835 typedef enum {
 836     GUEST_SUSPEND_MODE_DISK,
 837     GUEST_SUSPEND_MODE_RAM
 838 } GuestSuspendMode;
 839
 840 static void check_suspend_mode(GuestSuspendMode mode, Error **errp)
 841 {
 842     SYSTEM_POWER_CAPABILITIES sys_pwr_caps;
 843     Error *local_err = NULL;
 844
 845     ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
 846     if (!GetPwrCapabilities(&sys_pwr_caps)) {
 847         error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 848                    "failed to determine guest suspend capabilities");
 849         goto out;
 850     }
 851
 852     switch (mode) {
 853     case GUEST_SUSPEND_MODE_DISK:
 854         if (!sys_pwr_caps.SystemS4) {
 855             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 856                        "suspend-to-disk not supported by OS");
 857         }
 858         break;
 859     case GUEST_SUSPEND_MODE_RAM:
 860         if (!sys_pwr_caps.SystemS3) {
 861             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 862                        "suspend-to-ram not supported by OS");
 863         }
 864         break;
 865     default:
 866         error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode",
 867                    "GuestSuspendMode");
 868     }
 869
 870 out:
 871     if (local_err) {
 872         error_propagate(errp, local_err);
 873     }
 874 }
 875
 876 static DWORD WINAPI do_suspend(LPVOID opaque)
 877 {
 878     GuestSuspendMode *mode = opaque;
 879     DWORD ret = 0;
 880
 881     if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) {
 882         slog("failed to suspend guest, %lu", GetLastError());
 883         ret = -1;
 884     }
 885     g_free(mode);
 886     return ret;
 887 }
 888
 889 void qmp_guest_suspend_disk(Error **errp)
 890 {
 891     Error *local_err = NULL;
 892     GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
 893
 894     *mode = GUEST_SUSPEND_MODE_DISK;
 895     check_suspend_mode(*mode, &local_err);
 896     acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
 897     execute_async(do_suspend, mode, &local_err);
 898
 899     if (local_err) {
 900         error_propagate(errp, local_err);
 901         g_free(mode);
 902     }
 903 }
 904
 905 void qmp_guest_suspend_ram(Error **errp)
 906 {
 907     Error *local_err = NULL;
 908     GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
 909
 910     *mode = GUEST_SUSPEND_MODE_RAM;
 911     check_suspend_mode(*mode, &local_err);
 912     acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
 913     execute_async(do_suspend, mode, &local_err);
 914
 915     if (local_err) {
 916         error_propagate(errp, local_err);
 917         g_free(mode);
 918     }
 919 }
 920
 921 void qmp_guest_suspend_hybrid(Error **errp)
 922 {
 923     error_setg(errp, QERR_UNSUPPORTED);
 924 }
 925
 926 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp)
 927 {
 928     IP_ADAPTER_ADDRESSES *adptr_addrs = NULL;
 929     ULONG adptr_addrs_len = 0;
 930     DWORD ret;
 931
 932     /* Call the first time to get the adptr_addrs_len. */
 933     GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
 934                          NULL, adptr_addrs, &adptr_addrs_len);
 935
 936     adptr_addrs = g_malloc(adptr_addrs_len);
 937     ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
 938                                NULL, adptr_addrs, &adptr_addrs_len);
 939     if (ret != ERROR_SUCCESS) {
 940         error_setg_win32(errp, ret, "failed to get adapters addresses");
 941         g_free(adptr_addrs);
 942         adptr_addrs = NULL;
 943     }
 944     return adptr_addrs;
 945 }
 946
 947 static char *guest_wctomb_dup(WCHAR *wstr)
 948 {
 949     char *str;
 950     size_t i;
 951
 952     i = wcslen(wstr) + 1;
 953     str = g_malloc(i);
 954     WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK,
 955                         wstr, -1, str, i, NULL, NULL);
 956     return str;
 957 }
 958
 959 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr,
 960                                Error **errp)
 961 {
 962     char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN];
 963     DWORD len;
 964     int ret;
 965
 966     if (ip_addr->Address.lpSockaddr->sa_family == AF_INET ||
 967             ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
 968         len = sizeof(addr_str);
 969         ret = WSAAddressToString(ip_addr->Address.lpSockaddr,
 970                                  ip_addr->Address.iSockaddrLength,
 971                                  NULL,
 972                                  addr_str,
 973                                  &len);
 974         if (ret != 0) {
 975             error_setg_win32(errp, WSAGetLastError(),
 976                 "failed address presentation form conversion");
 977             return NULL;
 978         }
 979         return g_strdup(addr_str);
 980     }
 981     return NULL;
 982 }
 983
 984 #if (_WIN32_WINNT >= 0x0600)
 985 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
 986 {
 987     /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength
 988      * field to obtain the prefix.
 989      */
 990     return ip_addr->OnLinkPrefixLength;
 991 }
 992 #else
 993 /* When using the Windows XP and 2003 build environment, do the best we can to
 994  * figure out the prefix.
 995  */
 996 static IP_ADAPTER_INFO *guest_get_adapters_info(void)
 997 {
 998     IP_ADAPTER_INFO *adptr_info = NULL;
 999     ULONG adptr_info_len = 0;
1000     DWORD ret;
1001
1002     /* Call the first time to get the adptr_info_len. */
1003     GetAdaptersInfo(adptr_info, &adptr_info_len);
1004
1005     adptr_info = g_malloc(adptr_info_len);
1006     ret = GetAdaptersInfo(adptr_info, &adptr_info_len);
1007     if (ret != ERROR_SUCCESS) {
1008         g_free(adptr_info);
1009         adptr_info = NULL;
1010     }
1011     return adptr_info;
1012 }
1013
1014 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
1015 {
1016     int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */
1017     IP_ADAPTER_INFO *adptr_info, *info;
1018     IP_ADDR_STRING *ip;
1019     struct in_addr *p;
1020
1021     if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) {
1022         return prefix;
1023     }
1024     adptr_info = guest_get_adapters_info();
1025     if (adptr_info == NULL) {
1026         return prefix;
1027     }
1028
1029     /* Match up the passed in ip_addr with one found in adaptr_info.
1030      * The matching one in adptr_info will have the netmask.
1031      */
1032     p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr;
1033     for (info = adptr_info; info; info = info->Next) {
1034         for (ip = &info->IpAddressList; ip; ip = ip->Next) {
1035             if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) {
1036                 prefix = ctpop32(inet_addr(ip->IpMask.String));
1037                 goto out;
1038             }
1039         }
1040     }
1041 out:
1042     g_free(adptr_info);
1043     return prefix;
1044 }
1045 #endif
1046
1047 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
1048 {
1049     IP_ADAPTER_ADDRESSES *adptr_addrs, *addr;
1050     IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL;
1051     GuestNetworkInterfaceList *head = NULL, *cur_item = NULL;
1052     GuestIpAddressList *head_addr, *cur_addr;
1053     GuestNetworkInterfaceList *info;
1054     GuestIpAddressList *address_item = NULL;
1055     unsigned char *mac_addr;
1056     char *addr_str;
1057     WORD wsa_version;
1058     WSADATA wsa_data;
1059     int ret;
1060
1061     adptr_addrs = guest_get_adapters_addresses(errp);
1062     if (adptr_addrs == NULL) {
1063         return NULL;
1064     }
1065
1066     /* Make WSA APIs available. */
1067     wsa_version = MAKEWORD(2, 2);
1068     ret = WSAStartup(wsa_version, &wsa_data);
1069     if (ret != 0) {
1070         error_setg_win32(errp, ret, "failed socket startup");
1071         goto out;
1072     }
1073
1074     for (addr = adptr_addrs; addr; addr = addr->Next) {
1075         info = g_malloc0(sizeof(*info));
1076
1077         if (cur_item == NULL) {
1078             head = cur_item = info;
1079         } else {
1080             cur_item->next = info;
1081             cur_item = info;
1082         }
1083
1084         info->value = g_malloc0(sizeof(*info->value));
1085         info->value->name = guest_wctomb_dup(addr->FriendlyName);
1086
1087         if (addr->PhysicalAddressLength != 0) {
1088             mac_addr = addr->PhysicalAddress;
1089
1090             info->value->hardware_address =
1091                 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x",
1092                                 (int) mac_addr[0], (int) mac_addr[1],
1093                                 (int) mac_addr[2], (int) mac_addr[3],
1094                                 (int) mac_addr[4], (int) mac_addr[5]);
1095
1096             info->value->has_hardware_address = true;
1097         }
1098
1099         head_addr = NULL;
1100         cur_addr = NULL;
1101         for (ip_addr = addr->FirstUnicastAddress;
1102                 ip_addr;
1103                 ip_addr = ip_addr->Next) {
1104             addr_str = guest_addr_to_str(ip_addr, errp);
1105             if (addr_str == NULL) {
1106                 continue;
1107             }
1108
1109             address_item = g_malloc0(sizeof(*address_item));
1110
1111             if (!cur_addr) {
1112                 head_addr = cur_addr = address_item;
1113             } else {
1114                 cur_addr->next = address_item;
1115                 cur_addr = address_item;
1116             }
1117
1118             address_item->value = g_malloc0(sizeof(*address_item->value));
1119             address_item->value->ip_address = addr_str;
1120             address_item->value->prefix = guest_ip_prefix(ip_addr);
1121             if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) {
1122                 address_item->value->ip_address_type =
1123                     GUEST_IP_ADDRESS_TYPE_IPV4;
1124             } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1125                 address_item->value->ip_address_type =
1126                     GUEST_IP_ADDRESS_TYPE_IPV6;
1127             }
1128         }
1129         if (head_addr) {
1130             info->value->has_ip_addresses = true;
1131             info->value->ip_addresses = head_addr;
1132         }
1133     }
1134     WSACleanup();
1135 out:
1136     g_free(adptr_addrs);
1137     return head;
1138 }
1139
1140 int64_t qmp_guest_get_time(Error **errp)
1141 {
1142     SYSTEMTIME ts = {0};
1143     int64_t time_ns;
1144     FILETIME tf;
1145
1146     GetSystemTime(&ts);
1147     if (ts.wYear < 1601 || ts.wYear > 30827) {
1148         error_setg(errp, "Failed to get time");
1149         return -1;
1150     }
1151
1152     if (!SystemTimeToFileTime(&ts, &tf)) {
1153         error_setg(errp, "Failed to convert system time: %d", (int)GetLastError());
1154         return -1;
1155     }
1156
1157     time_ns = ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime)
1158                 - W32_FT_OFFSET) * 100;
1159
1160     return time_ns;
1161 }
1162
1163 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp)
1164 {
1165     Error *local_err = NULL;
1166     SYSTEMTIME ts;
1167     FILETIME tf;
1168     LONGLONG time;
1169
1170     if (!has_time) {
1171         /* Unfortunately, Windows libraries don't provide an easy way to access
1172          * RTC yet:
1173          *
1174          * https://msdn.microsoft.com/en-us/library/aa908981.aspx
1175          */
1176         error_setg(errp, "Time argument is required on this platform");
1177         return;
1178     }
1179
1180     /* Validate time passed by user. */
1181     if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) {
1182         error_setg(errp, "Time %" PRId64 "is invalid", time_ns);
1183         return;
1184     }
1185
1186     time = time_ns / 100 + W32_FT_OFFSET;
1187
1188     tf.dwLowDateTime = (DWORD) time;
1189     tf.dwHighDateTime = (DWORD) (time >> 32);
1190
1191     if (!FileTimeToSystemTime(&tf, &ts)) {
1192         error_setg(errp, "Failed to convert system time %d",
1193                    (int)GetLastError());
1194         return;
1195     }
1196
1197     acquire_privilege(SE_SYSTEMTIME_NAME, &local_err);
1198     if (local_err) {
1199         error_propagate(errp, local_err);
1200         return;
1201     }
1202
1203     if (!SetSystemTime(&ts)) {
1204         error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError());
1205         return;
1206     }
1207 }
1208
1209 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
1210 {
1211     error_setg(errp, QERR_UNSUPPORTED);
1212     return NULL;
1213 }
1214
1215 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
1216 {
1217     error_setg(errp, QERR_UNSUPPORTED);
1218     return -1;
1219 }
1220
1221 static gchar *
1222 get_net_error_message(gint error)
1223 {
1224     HMODULE module = NULL;
1225     gchar *retval = NULL;
1226     wchar_t *msg = NULL;
1227     int flags, nchars;
1228
1229     flags = FORMAT_MESSAGE_ALLOCATE_BUFFER
1230         |FORMAT_MESSAGE_IGNORE_INSERTS
1231         |FORMAT_MESSAGE_FROM_SYSTEM;
1232
1233     if (error >= NERR_BASE && error <= MAX_NERR) {
1234         module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
1235
1236         if (module != NULL) {
1237             flags |= FORMAT_MESSAGE_FROM_HMODULE;
1238         }
1239     }
1240
1241     FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL);
1242
1243     if (msg != NULL) {
1244         nchars = wcslen(msg);
1245
1246         if (nchars > 2 && msg[nchars-1] == '\n' && msg[nchars-2] == '\r') {
1247             msg[nchars-2] = '\0';
1248         }
1249
1250         retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL);
1251
1252         LocalFree(msg);
1253     }
1254
1255     if (module != NULL) {
1256         FreeLibrary(module);
1257     }
1258
1259     return retval;
1260 }
1261
1262 void qmp_guest_set_user_password(const char *username,
1263                                  const char *password,
1264                                  bool crypted,
1265                                  Error **errp)
1266 {
1267     NET_API_STATUS nas;
1268     char *rawpasswddata = NULL;
1269     size_t rawpasswdlen;
1270     wchar_t *user, *wpass;
1271     USER_INFO_1003 pi1003 = { 0, };
1272
1273     if (crypted) {
1274         error_setg(errp, QERR_UNSUPPORTED);
1275         return;
1276     }
1277
1278     rawpasswddata = (char *)g_base64_decode(password, &rawpasswdlen);
1279     rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1);
1280     rawpasswddata[rawpasswdlen] = '\0';
1281
1282     user = g_utf8_to_utf16(username, -1, NULL, NULL, NULL);
1283     wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, NULL);
1284
1285     pi1003.usri1003_password = wpass;
1286     nas = NetUserSetInfo(NULL, user,
1287                          1003, (LPBYTE)&pi1003,
1288                          NULL);
1289
1290     if (nas != NERR_Success) {
1291         gchar *msg = get_net_error_message(nas);
1292         error_setg(errp, "failed to set password: %s", msg);
1293         g_free(msg);
1294     }
1295
1296     g_free(user);
1297     g_free(wpass);
1298     g_free(rawpasswddata);
1299 }
1300
1301 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
1302 {
1303     error_setg(errp, QERR_UNSUPPORTED);
1304     return NULL;
1305 }
1306
1307 GuestMemoryBlockResponseList *
1308 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp)
1309 {
1310     error_setg(errp, QERR_UNSUPPORTED);
1311     return NULL;
1312 }
1313
1314 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp)
1315 {
1316     error_setg(errp, QERR_UNSUPPORTED);
1317     return NULL;
1318 }
1319
1320 /* add unsupported commands to the blacklist */
1321 GList *ga_command_blacklist_init(GList *blacklist)
1322 {
1323     const char *list_unsupported[] = {
1324         "guest-suspend-hybrid",
1325         "guest-get-vcpus", "guest-set-vcpus",
1326         "guest-get-memory-blocks", "guest-set-memory-blocks",
1327         "guest-get-memory-block-size",
1328         "guest-fsfreeze-freeze-list",
1329         "guest-fstrim", NULL};
1330     char **p = (char **)list_unsupported;
1331
1332     while (*p) {
1333         blacklist = g_list_append(blacklist, g_strdup(*p++));
1334     }
1335
1336     if (!vss_init(true)) {
1337         g_debug("vss_init failed, vss commands are going to be disabled");
1338         const char *list[] = {
1339             "guest-get-fsinfo", "guest-fsfreeze-status",
1340             "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL};
1341         p = (char **)list;
1342
1343         while (*p) {
1344             blacklist = g_list_append(blacklist, g_strdup(*p++));
1345         }
1346     }
1347
1348     return blacklist;
1349 }
1350
1351 /* register init/cleanup routines for stateful command groups */
1352 void ga_command_state_init(GAState *s, GACommandState *cs)
1353 {
1354     if (!vss_initialized()) {
1355         ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
1356     }
1357 }