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 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA)
  63
  64 typedef struct OpenFlags {
  65     const char *forms;
  66     DWORD desired_access;
  67     DWORD creation_disposition;
  68 } OpenFlags;
  69 static OpenFlags guest_file_open_modes[] = {
  70     {"r",   GENERIC_READ,                     OPEN_EXISTING},
  71     {"rb",  GENERIC_READ,                     OPEN_EXISTING},
  72     {"w",   GENERIC_WRITE,                    CREATE_ALWAYS},
  73     {"wb",  GENERIC_WRITE,                    CREATE_ALWAYS},
  74     {"a",   FILE_GENERIC_APPEND,              OPEN_ALWAYS  },
  75     {"r+",  GENERIC_WRITE|GENERIC_READ,       OPEN_EXISTING},
  76     {"rb+", GENERIC_WRITE|GENERIC_READ,       OPEN_EXISTING},
  77     {"r+b", GENERIC_WRITE|GENERIC_READ,       OPEN_EXISTING},
  78     {"w+",  GENERIC_WRITE|GENERIC_READ,       CREATE_ALWAYS},
  79     {"wb+", GENERIC_WRITE|GENERIC_READ,       CREATE_ALWAYS},
  80     {"w+b", GENERIC_WRITE|GENERIC_READ,       CREATE_ALWAYS},
  81     {"a+",  FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS  },
  82     {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS  },
  83     {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS  }
  84 };
  85
  86 static OpenFlags *find_open_flag(const char *mode_str)
  87 {
  88     int mode;
  89     Error **errp = NULL;
  90
  91     for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) {
  92         OpenFlags *flags = guest_file_open_modes + mode;
  93
  94         if (strcmp(flags->forms, mode_str) == 0) {
  95             return flags;
  96         }
  97     }
  98
  99     error_setg(errp, "invalid file open mode '%s'", mode_str);
 100     return NULL;
 101 }
 102
 103 static int64_t guest_file_handle_add(HANDLE fh, Error **errp)
 104 {
 105     GuestFileHandle *gfh;
 106     int64_t handle;
 107
 108     handle = ga_get_fd_handle(ga_state, errp);
 109     if (handle < 0) {
 110         return -1;
 111     }
 112     gfh = g_new0(GuestFileHandle, 1);
 113     gfh->id = handle;
 114     gfh->fh = fh;
 115     QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next);
 116
 117     return handle;
 118 }
 119
 120 static GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp)
 121 {
 122     GuestFileHandle *gfh;
 123     QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) {
 124         if (gfh->id == id) {
 125             return gfh;
 126         }
 127     }
 128     error_setg(errp, "handle '%" PRId64 "' has not been found", id);
 129     return NULL;
 130 }
 131
 132 static void handle_set_nonblocking(HANDLE fh)
 133 {
 134     DWORD file_type, pipe_state;
 135     file_type = GetFileType(fh);
 136     if (file_type != FILE_TYPE_PIPE) {
 137         return;
 138     }
 139     /* If file_type == FILE_TYPE_PIPE, according to MSDN
 140      * the specified file is socket or named pipe */
 141     if (!GetNamedPipeHandleState(fh, &pipe_state, NULL,
 142                                  NULL, NULL, NULL, 0)) {
 143         return;
 144     }
 145     /* The fd is named pipe fd */
 146     if (pipe_state & PIPE_NOWAIT) {
 147         return;
 148     }
 149
 150     pipe_state |= PIPE_NOWAIT;
 151     SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL);
 152 }
 153
 154 int64_t qmp_guest_file_open(const char *path, bool has_mode,
 155                             const char *mode, Error **errp)
 156 {
 157     int64_t fd;
 158     HANDLE fh;
 159     HANDLE templ_file = NULL;
 160     DWORD share_mode = FILE_SHARE_READ;
 161     DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL;
 162     LPSECURITY_ATTRIBUTES sa_attr = NULL;
 163     OpenFlags *guest_flags;
 164
 165     if (!has_mode) {
 166         mode = "r";
 167     }
 168     slog("guest-file-open called, filepath: %s, mode: %s", path, mode);
 169     guest_flags = find_open_flag(mode);
 170     if (guest_flags == NULL) {
 171         error_setg(errp, "invalid file open mode");
 172         return -1;
 173     }
 174
 175     fh = CreateFile(path, guest_flags->desired_access, share_mode, sa_attr,
 176                     guest_flags->creation_disposition, flags_and_attr,
 177                     templ_file);
 178     if (fh == INVALID_HANDLE_VALUE) {
 179         error_setg_win32(errp, GetLastError(), "failed to open file '%s'",
 180                          path);
 181         return -1;
 182     }
 183
 184     /* set fd non-blocking to avoid common use cases (like reading from a
 185      * named pipe) from hanging the agent
 186      */
 187     handle_set_nonblocking(fh);
 188
 189     fd = guest_file_handle_add(fh, errp);
 190     if (fd < 0) {
 191         CloseHandle(fh);
 192         error_setg(errp, "failed to add handle to qmp handle table");
 193         return -1;
 194     }
 195
 196     slog("guest-file-open, handle: % " PRId64, fd);
 197     return fd;
 198 }
 199
 200 void qmp_guest_file_close(int64_t handle, Error **errp)
 201 {
 202     bool ret;
 203     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 204     slog("guest-file-close called, handle: %" PRId64, handle);
 205     if (gfh == NULL) {
 206         return;
 207     }
 208     ret = CloseHandle(gfh->fh);
 209     if (!ret) {
 210         error_setg_win32(errp, GetLastError(), "failed close handle");
 211         return;
 212     }
 213
 214     QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next);
 215     g_free(gfh);
 216 }
 217
 218 static void acquire_privilege(const char *name, Error **errp)
 219 {
 220     HANDLE token = NULL;
 221     TOKEN_PRIVILEGES priv;
 222     Error *local_err = NULL;
 223
 224     if (OpenProcessToken(GetCurrentProcess(),
 225         TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token))
 226     {
 227         if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) {
 228             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 229                        "no luid for requested privilege");
 230             goto out;
 231         }
 232
 233         priv.PrivilegeCount = 1;
 234         priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
 235
 236         if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) {
 237             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 238                        "unable to acquire requested privilege");
 239             goto out;
 240         }
 241
 242     } else {
 243         error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 244                    "failed to open privilege token");
 245     }
 246
 247 out:
 248     if (token) {
 249         CloseHandle(token);
 250     }
 251     if (local_err) {
 252         error_propagate(errp, local_err);
 253     }
 254 }
 255
 256 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque,
 257                           Error **errp)
 258 {
 259     Error *local_err = NULL;
 260
 261     HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL);
 262     if (!thread) {
 263         error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 264                    "failed to dispatch asynchronous command");
 265         error_propagate(errp, local_err);
 266     }
 267 }
 268
 269 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
 270 {
 271     Error *local_err = NULL;
 272     UINT shutdown_flag = EWX_FORCE;
 273
 274     slog("guest-shutdown called, mode: %s", mode);
 275
 276     if (!has_mode || strcmp(mode, "powerdown") == 0) {
 277         shutdown_flag |= EWX_POWEROFF;
 278     } else if (strcmp(mode, "halt") == 0) {
 279         shutdown_flag |= EWX_SHUTDOWN;
 280     } else if (strcmp(mode, "reboot") == 0) {
 281         shutdown_flag |= EWX_REBOOT;
 282     } else {
 283         error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode",
 284                    "halt|powerdown|reboot");
 285         return;
 286     }
 287
 288     /* Request a shutdown privilege, but try to shut down the system
 289        anyway. */
 290     acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
 291     if (local_err) {
 292         error_propagate(errp, local_err);
 293         return;
 294     }
 295
 296     if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) {
 297         slog("guest-shutdown failed: %lu", GetLastError());
 298         error_setg(errp, QERR_UNDEFINED_ERROR);
 299     }
 300 }
 301
 302 GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
 303                                    int64_t count, Error **errp)
 304 {
 305     GuestFileRead *read_data = NULL;
 306     guchar *buf;
 307     HANDLE fh;
 308     bool is_ok;
 309     DWORD read_count;
 310     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 311
 312     if (!gfh) {
 313         return NULL;
 314     }
 315     if (!has_count) {
 316         count = QGA_READ_COUNT_DEFAULT;
 317     } else if (count < 0) {
 318         error_setg(errp, "value '%" PRId64
 319                    "' is invalid for argument count", count);
 320         return NULL;
 321     }
 322
 323     fh = gfh->fh;
 324     buf = g_malloc0(count+1);
 325     is_ok = ReadFile(fh, buf, count, &read_count, NULL);
 326     if (!is_ok) {
 327         error_setg_win32(errp, GetLastError(), "failed to read file");
 328         slog("guest-file-read failed, handle %" PRId64, handle);
 329     } else {
 330         buf[read_count] = 0;
 331         read_data = g_new0(GuestFileRead, 1);
 332         read_data->count = (size_t)read_count;
 333         read_data->eof = read_count == 0;
 334
 335         if (read_count != 0) {
 336             read_data->buf_b64 = g_base64_encode(buf, read_count);
 337         }
 338     }
 339     g_free(buf);
 340
 341     return read_data;
 342 }
 343
 344 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
 345                                      bool has_count, int64_t count,
 346                                      Error **errp)
 347 {
 348     GuestFileWrite *write_data = NULL;
 349     guchar *buf;
 350     gsize buf_len;
 351     bool is_ok;
 352     DWORD write_count;
 353     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 354     HANDLE fh;
 355
 356     if (!gfh) {
 357         return NULL;
 358     }
 359     fh = gfh->fh;
 360     buf = g_base64_decode(buf_b64, &buf_len);
 361
 362     if (!has_count) {
 363         count = buf_len;
 364     } else if (count < 0 || count > buf_len) {
 365         error_setg(errp, "value '%" PRId64
 366                    "' is invalid for argument count", count);
 367         goto done;
 368     }
 369
 370     is_ok = WriteFile(fh, buf, count, &write_count, NULL);
 371     if (!is_ok) {
 372         error_setg_win32(errp, GetLastError(), "failed to write to file");
 373         slog("guest-file-write-failed, handle: %" PRId64, handle);
 374     } else {
 375         write_data = g_new0(GuestFileWrite, 1);
 376         write_data->count = (size_t) write_count;
 377     }
 378
 379 done:
 380     g_free(buf);
 381     return write_data;
 382 }
 383
 384 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
 385                                    int64_t whence, Error **errp)
 386 {
 387     GuestFileHandle *gfh;
 388     GuestFileSeek *seek_data;
 389     HANDLE fh;
 390     LARGE_INTEGER new_pos, off_pos;
 391     off_pos.QuadPart = offset;
 392     BOOL res;
 393     gfh = guest_file_handle_find(handle, errp);
 394     if (!gfh) {
 395         return NULL;
 396     }
 397
 398     fh = gfh->fh;
 399     res = SetFilePointerEx(fh, off_pos, &new_pos, whence);
 400     if (!res) {
 401         error_setg_win32(errp, GetLastError(), "failed to seek file");
 402         return NULL;
 403     }
 404     seek_data = g_new0(GuestFileSeek, 1);
 405     seek_data->position = new_pos.QuadPart;
 406     return seek_data;
 407 }
 408
 409 void qmp_guest_file_flush(int64_t handle, Error **errp)
 410 {
 411     HANDLE fh;
 412     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 413     if (!gfh) {
 414         return;
 415     }
 416
 417     fh = gfh->fh;
 418     if (!FlushFileBuffers(fh)) {
 419         error_setg_win32(errp, GetLastError(), "failed to flush file");
 420     }
 421 }
 422
 423 #ifdef CONFIG_QGA_NTDDSCSI
 424
 425 static STORAGE_BUS_TYPE win2qemu[] = {
 426     [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN,
 427     [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI,
 428     [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE,
 429     [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE,
 430     [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394,
 431     [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA,
 432     [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA,
 433     [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB,
 434     [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID,
 435 #if (_WIN32_WINNT >= 0x0600)
 436     [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI,
 437     [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS,
 438     [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA,
 439     [BusTypeSd] =  GUEST_DISK_BUS_TYPE_SD,
 440     [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC,
 441 #endif
 442 #if (_WIN32_WINNT >= 0x0601)
 443     [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL,
 444     [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL,
 445 #endif
 446 };
 447
 448 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus)
 449 {
 450     if (bus > ARRAY_SIZE(win2qemu) || (int)bus < 0) {
 451         return GUEST_DISK_BUS_TYPE_UNKNOWN;
 452     }
 453     return win2qemu[(int)bus];
 454 }
 455
 456 DEFINE_GUID(GUID_DEVINTERFACE_VOLUME,
 457         0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2,
 458         0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
 459
 460 static GuestPCIAddress *get_pci_info(char *guid, Error **errp)
 461 {
 462     HDEVINFO dev_info;
 463     SP_DEVINFO_DATA dev_info_data;
 464     DWORD size = 0;
 465     int i;
 466     char dev_name[MAX_PATH];
 467     char *buffer = NULL;
 468     GuestPCIAddress *pci = NULL;
 469     char *name = g_strdup(&guid[4]);
 470
 471     if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) {
 472         error_setg_win32(errp, GetLastError(), "failed to get dos device name");
 473         goto out;
 474     }
 475
 476     dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_VOLUME, 0, 0,
 477                                    DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
 478     if (dev_info == INVALID_HANDLE_VALUE) {
 479         error_setg_win32(errp, GetLastError(), "failed to get devices tree");
 480         goto out;
 481     }
 482
 483     dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
 484     for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
 485         DWORD addr, bus, slot, func, dev, data, size2;
 486         while (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 487                                             SPDRP_PHYSICAL_DEVICE_OBJECT_NAME,
 488                                             &data, (PBYTE)buffer, size,
 489                                             &size2)) {
 490             size = MAX(size, size2);
 491             if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
 492                 g_free(buffer);
 493                 /* Double the size to avoid problems on
 494                  * W2k MBCS systems per KB 888609.
 495                  * https://support.microsoft.com/en-us/kb/259695 */
 496                 buffer = g_malloc(size * 2);
 497             } else {
 498                 error_setg_win32(errp, GetLastError(),
 499                         "failed to get device name");
 500                 goto out;
 501             }
 502         }
 503
 504         if (g_strcmp0(buffer, dev_name)) {
 505             continue;
 506         }
 507
 508         /* There is no need to allocate buffer in the next functions. The size
 509          * is known and ULONG according to
 510          * https://support.microsoft.com/en-us/kb/253232
 511          * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx
 512          */
 513         if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 514                    SPDRP_BUSNUMBER, &data, (PBYTE)&bus, size, NULL)) {
 515             break;
 516         }
 517
 518         /* The function retrieves the device's address. This value will be
 519          * transformed into device function and number */
 520         if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 521                    SPDRP_ADDRESS, &data, (PBYTE)&addr, size, NULL)) {
 522             break;
 523         }
 524
 525         /* This call returns UINumber of DEVICE_CAPABILITIES structure.
 526          * This number is typically a user-perceived slot number. */
 527         if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 528                    SPDRP_UI_NUMBER, &data, (PBYTE)&slot, size, NULL)) {
 529             break;
 530         }
 531
 532         /* SetupApi gives us the same information as driver with
 533          * IoGetDeviceProperty. According to Microsoft
 534          * https://support.microsoft.com/en-us/kb/253232
 535          * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF);
 536          * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF);
 537          * SPDRP_ADDRESS is propertyAddress, so we do the same.*/
 538
 539         func = addr & 0x0000FFFF;
 540         dev = (addr >> 16) & 0x0000FFFF;
 541         pci = g_malloc0(sizeof(*pci));
 542         pci->domain = dev;
 543         pci->slot = slot;
 544         pci->function = func;
 545         pci->bus = bus;
 546         break;
 547     }
 548 out:
 549     g_free(buffer);
 550     g_free(name);
 551     return pci;
 552 }
 553
 554 static int get_disk_bus_type(HANDLE vol_h, Error **errp)
 555 {
 556     STORAGE_PROPERTY_QUERY query;
 557     STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf;
 558     DWORD received;
 559
 560     dev_desc = &buf;
 561     dev_desc->Size = sizeof(buf);
 562     query.PropertyId = StorageDeviceProperty;
 563     query.QueryType = PropertyStandardQuery;
 564
 565     if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
 566                          sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
 567                          dev_desc->Size, &received, NULL)) {
 568         error_setg_win32(errp, GetLastError(), "failed to get bus type");
 569         return -1;
 570     }
 571
 572     return dev_desc->BusType;
 573 }
 574
 575 /* VSS provider works with volumes, thus there is no difference if
 576  * the volume consist of spanned disks. Info about the first disk in the
 577  * volume is returned for the spanned disk group (LVM) */
 578 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
 579 {
 580     GuestDiskAddressList *list = NULL;
 581     GuestDiskAddress *disk;
 582     SCSI_ADDRESS addr, *scsi_ad;
 583     DWORD len;
 584     int bus;
 585     HANDLE vol_h;
 586
 587     scsi_ad = &addr;
 588     char *name = g_strndup(guid, strlen(guid)-1);
 589
 590     vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
 591                        0, NULL);
 592     if (vol_h == INVALID_HANDLE_VALUE) {
 593         error_setg_win32(errp, GetLastError(), "failed to open volume");
 594         goto out_free;
 595     }
 596
 597     bus = get_disk_bus_type(vol_h, errp);
 598     if (bus < 0) {
 599         goto out_close;
 600     }
 601
 602     disk = g_malloc0(sizeof(*disk));
 603     disk->bus_type = find_bus_type(bus);
 604     if (bus == BusTypeScsi || bus == BusTypeAta || bus == BusTypeRAID
 605 #if (_WIN32_WINNT >= 0x0600)
 606             /* This bus type is not supported before Windows Server 2003 SP1 */
 607             || bus == BusTypeSas
 608 #endif
 609         ) {
 610         /* We are able to use the same ioctls for different bus types
 611          * according to Microsoft docs
 612          * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */
 613         if (DeviceIoControl(vol_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad,
 614                             sizeof(SCSI_ADDRESS), &len, NULL)) {
 615             disk->unit = addr.Lun;
 616             disk->target = addr.TargetId;
 617             disk->bus = addr.PathId;
 618             disk->pci_controller = get_pci_info(name, errp);
 619         }
 620         /* We do not set error in this case, because we still have enough
 621          * information about volume. */
 622     } else {
 623          disk->pci_controller = NULL;
 624     }
 625
 626     list = g_malloc0(sizeof(*list));
 627     list->value = disk;
 628     list->next = NULL;
 629 out_close:
 630     CloseHandle(vol_h);
 631 out_free:
 632     g_free(name);
 633     return list;
 634 }
 635
 636 #else
 637
 638 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
 639 {
 640     return NULL;
 641 }
 642
 643 #endif /* CONFIG_QGA_NTDDSCSI */
 644
 645 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp)
 646 {
 647     DWORD info_size;
 648     char mnt, *mnt_point;
 649     char fs_name[32];
 650     char vol_info[MAX_PATH+1];
 651     size_t len;
 652     GuestFilesystemInfo *fs = NULL;
 653
 654     GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size);
 655     if (GetLastError() != ERROR_MORE_DATA) {
 656         error_setg_win32(errp, GetLastError(), "failed to get volume name");
 657         return NULL;
 658     }
 659
 660     mnt_point = g_malloc(info_size + 1);
 661     if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size,
 662                                          &info_size)) {
 663         error_setg_win32(errp, GetLastError(), "failed to get volume name");
 664         goto free;
 665     }
 666
 667     len = strlen(mnt_point);
 668     mnt_point[len] = '\\';
 669     mnt_point[len+1] = 0;
 670     if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL,
 671                               NULL, (LPSTR)&fs_name, sizeof(fs_name))) {
 672         if (GetLastError() != ERROR_NOT_READY) {
 673             error_setg_win32(errp, GetLastError(), "failed to get volume info");
 674         }
 675         goto free;
 676     }
 677
 678     fs_name[sizeof(fs_name) - 1] = 0;
 679     fs = g_malloc(sizeof(*fs));
 680     fs->name = g_strdup(guid);
 681     if (len == 0) {
 682         fs->mountpoint = g_strdup("System Reserved");
 683     } else {
 684         fs->mountpoint = g_strndup(mnt_point, len);
 685     }
 686     fs->type = g_strdup(fs_name);
 687     fs->disk = build_guest_disk_info(guid, errp);
 688 free:
 689     g_free(mnt_point);
 690     return fs;
 691 }
 692
 693 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp)
 694 {
 695     HANDLE vol_h;
 696     GuestFilesystemInfoList *new, *ret = NULL;
 697     char guid[256];
 698
 699     vol_h = FindFirstVolume(guid, sizeof(guid));
 700     if (vol_h == INVALID_HANDLE_VALUE) {
 701         error_setg_win32(errp, GetLastError(), "failed to find any volume");
 702         return NULL;
 703     }
 704
 705     do {
 706         GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp);
 707         if (info == NULL) {
 708             continue;
 709         }
 710         new = g_malloc(sizeof(*ret));
 711         new->value = info;
 712         new->next = ret;
 713         ret = new;
 714     } while (FindNextVolume(vol_h, guid, sizeof(guid)));
 715
 716     if (GetLastError() != ERROR_NO_MORE_FILES) {
 717         error_setg_win32(errp, GetLastError(), "failed to find next volume");
 718     }
 719
 720     FindVolumeClose(vol_h);
 721     return ret;
 722 }
 723
 724 /*
 725  * Return status of freeze/thaw
 726  */
 727 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
 728 {
 729     if (!vss_initialized()) {
 730         error_setg(errp, QERR_UNSUPPORTED);
 731         return 0;
 732     }
 733
 734     if (ga_is_frozen(ga_state)) {
 735         return GUEST_FSFREEZE_STATUS_FROZEN;
 736     }
 737
 738     return GUEST_FSFREEZE_STATUS_THAWED;
 739 }
 740
 741 /*
 742  * Freeze local file systems using Volume Shadow-copy Service.
 743  * The frozen state is limited for up to 10 seconds by VSS.
 744  */
 745 int64_t qmp_guest_fsfreeze_freeze(Error **errp)
 746 {
 747     int i;
 748     Error *local_err = NULL;
 749
 750     if (!vss_initialized()) {
 751         error_setg(errp, QERR_UNSUPPORTED);
 752         return 0;
 753     }
 754
 755     slog("guest-fsfreeze called");
 756
 757     /* cannot risk guest agent blocking itself on a write in this state */
 758     ga_set_frozen(ga_state);
 759
 760     qga_vss_fsfreeze(&i, &local_err, true);
 761     if (local_err) {
 762         error_propagate(errp, local_err);
 763         goto error;
 764     }
 765
 766     return i;
 767
 768 error:
 769     local_err = NULL;
 770     qmp_guest_fsfreeze_thaw(&local_err);
 771     if (local_err) {
 772         g_debug("cleanup thaw: %s", error_get_pretty(local_err));
 773         error_free(local_err);
 774     }
 775     return 0;
 776 }
 777
 778 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints,
 779                                        strList *mountpoints,
 780                                        Error **errp)
 781 {
 782     error_setg(errp, QERR_UNSUPPORTED);
 783
 784     return 0;
 785 }
 786
 787 /*
 788  * Thaw local file systems using Volume Shadow-copy Service.
 789  */
 790 int64_t qmp_guest_fsfreeze_thaw(Error **errp)
 791 {
 792     int i;
 793
 794     if (!vss_initialized()) {
 795         error_setg(errp, QERR_UNSUPPORTED);
 796         return 0;
 797     }
 798
 799     qga_vss_fsfreeze(&i, errp, false);
 800
 801     ga_unset_frozen(ga_state);
 802     return i;
 803 }
 804
 805 static void guest_fsfreeze_cleanup(void)
 806 {
 807     Error *err = NULL;
 808
 809     if (!vss_initialized()) {
 810         return;
 811     }
 812
 813     if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) {
 814         qmp_guest_fsfreeze_thaw(&err);
 815         if (err) {
 816             slog("failed to clean up frozen filesystems: %s",
 817                  error_get_pretty(err));
 818             error_free(err);
 819         }
 820     }
 821
 822     vss_deinit(true);
 823 }
 824
 825 /*
 826  * Walk list of mounted file systems in the guest, and discard unused
 827  * areas.
 828  */
 829 GuestFilesystemTrimResponse *
 830 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
 831 {
 832     error_setg(errp, QERR_UNSUPPORTED);
 833     return NULL;
 834 }
 835
 836 typedef enum {
 837     GUEST_SUSPEND_MODE_DISK,
 838     GUEST_SUSPEND_MODE_RAM
 839 } GuestSuspendMode;
 840
 841 static void check_suspend_mode(GuestSuspendMode mode, Error **errp)
 842 {
 843     SYSTEM_POWER_CAPABILITIES sys_pwr_caps;
 844     Error *local_err = NULL;
 845
 846     ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
 847     if (!GetPwrCapabilities(&sys_pwr_caps)) {
 848         error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 849                    "failed to determine guest suspend capabilities");
 850         goto out;
 851     }
 852
 853     switch (mode) {
 854     case GUEST_SUSPEND_MODE_DISK:
 855         if (!sys_pwr_caps.SystemS4) {
 856             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 857                        "suspend-to-disk not supported by OS");
 858         }
 859         break;
 860     case GUEST_SUSPEND_MODE_RAM:
 861         if (!sys_pwr_caps.SystemS3) {
 862             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 863                        "suspend-to-ram not supported by OS");
 864         }
 865         break;
 866     default:
 867         error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode",
 868                    "GuestSuspendMode");
 869     }
 870
 871 out:
 872     if (local_err) {
 873         error_propagate(errp, local_err);
 874     }
 875 }
 876
 877 static DWORD WINAPI do_suspend(LPVOID opaque)
 878 {
 879     GuestSuspendMode *mode = opaque;
 880     DWORD ret = 0;
 881
 882     if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) {
 883         slog("failed to suspend guest, %lu", GetLastError());
 884         ret = -1;
 885     }
 886     g_free(mode);
 887     return ret;
 888 }
 889
 890 void qmp_guest_suspend_disk(Error **errp)
 891 {
 892     Error *local_err = NULL;
 893     GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
 894
 895     *mode = GUEST_SUSPEND_MODE_DISK;
 896     check_suspend_mode(*mode, &local_err);
 897     acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
 898     execute_async(do_suspend, mode, &local_err);
 899
 900     if (local_err) {
 901         error_propagate(errp, local_err);
 902         g_free(mode);
 903     }
 904 }
 905
 906 void qmp_guest_suspend_ram(Error **errp)
 907 {
 908     Error *local_err = NULL;
 909     GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
 910
 911     *mode = GUEST_SUSPEND_MODE_RAM;
 912     check_suspend_mode(*mode, &local_err);
 913     acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
 914     execute_async(do_suspend, mode, &local_err);
 915
 916     if (local_err) {
 917         error_propagate(errp, local_err);
 918         g_free(mode);
 919     }
 920 }
 921
 922 void qmp_guest_suspend_hybrid(Error **errp)
 923 {
 924     error_setg(errp, QERR_UNSUPPORTED);
 925 }
 926
 927 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp)
 928 {
 929     IP_ADAPTER_ADDRESSES *adptr_addrs = NULL;
 930     ULONG adptr_addrs_len = 0;
 931     DWORD ret;
 932
 933     /* Call the first time to get the adptr_addrs_len. */
 934     GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
 935                          NULL, adptr_addrs, &adptr_addrs_len);
 936
 937     adptr_addrs = g_malloc(adptr_addrs_len);
 938     ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
 939                                NULL, adptr_addrs, &adptr_addrs_len);
 940     if (ret != ERROR_SUCCESS) {
 941         error_setg_win32(errp, ret, "failed to get adapters addresses");
 942         g_free(adptr_addrs);
 943         adptr_addrs = NULL;
 944     }
 945     return adptr_addrs;
 946 }
 947
 948 static char *guest_wctomb_dup(WCHAR *wstr)
 949 {
 950     char *str;
 951     size_t i;
 952
 953     i = wcslen(wstr) + 1;
 954     str = g_malloc(i);
 955     WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK,
 956                         wstr, -1, str, i, NULL, NULL);
 957     return str;
 958 }
 959
 960 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr,
 961                                Error **errp)
 962 {
 963     char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN];
 964     DWORD len;
 965     int ret;
 966
 967     if (ip_addr->Address.lpSockaddr->sa_family == AF_INET ||
 968             ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
 969         len = sizeof(addr_str);
 970         ret = WSAAddressToString(ip_addr->Address.lpSockaddr,
 971                                  ip_addr->Address.iSockaddrLength,
 972                                  NULL,
 973                                  addr_str,
 974                                  &len);
 975         if (ret != 0) {
 976             error_setg_win32(errp, WSAGetLastError(),
 977                 "failed address presentation form conversion");
 978             return NULL;
 979         }
 980         return g_strdup(addr_str);
 981     }
 982     return NULL;
 983 }
 984
 985 #if (_WIN32_WINNT >= 0x0600)
 986 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
 987 {
 988     /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength
 989      * field to obtain the prefix.
 990      */
 991     return ip_addr->OnLinkPrefixLength;
 992 }
 993 #else
 994 /* When using the Windows XP and 2003 build environment, do the best we can to
 995  * figure out the prefix.
 996  */
 997 static IP_ADAPTER_INFO *guest_get_adapters_info(void)
 998 {
 999     IP_ADAPTER_INFO *adptr_info = NULL;
1000     ULONG adptr_info_len = 0;
1001     DWORD ret;
1002
1003     /* Call the first time to get the adptr_info_len. */
1004     GetAdaptersInfo(adptr_info, &adptr_info_len);
1005
1006     adptr_info = g_malloc(adptr_info_len);
1007     ret = GetAdaptersInfo(adptr_info, &adptr_info_len);
1008     if (ret != ERROR_SUCCESS) {
1009         g_free(adptr_info);
1010         adptr_info = NULL;
1011     }
1012     return adptr_info;
1013 }
1014
1015 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
1016 {
1017     int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */
1018     IP_ADAPTER_INFO *adptr_info, *info;
1019     IP_ADDR_STRING *ip;
1020     struct in_addr *p;
1021
1022     if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) {
1023         return prefix;
1024     }
1025     adptr_info = guest_get_adapters_info();
1026     if (adptr_info == NULL) {
1027         return prefix;
1028     }
1029
1030     /* Match up the passed in ip_addr with one found in adaptr_info.
1031      * The matching one in adptr_info will have the netmask.
1032      */
1033     p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr;
1034     for (info = adptr_info; info; info = info->Next) {
1035         for (ip = &info->IpAddressList; ip; ip = ip->Next) {
1036             if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) {
1037                 prefix = ctpop32(inet_addr(ip->IpMask.String));
1038                 goto out;
1039             }
1040         }
1041     }
1042 out:
1043     g_free(adptr_info);
1044     return prefix;
1045 }
1046 #endif
1047
1048 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
1049 {
1050     IP_ADAPTER_ADDRESSES *adptr_addrs, *addr;
1051     IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL;
1052     GuestNetworkInterfaceList *head = NULL, *cur_item = NULL;
1053     GuestIpAddressList *head_addr, *cur_addr;
1054     GuestNetworkInterfaceList *info;
1055     GuestIpAddressList *address_item = NULL;
1056     unsigned char *mac_addr;
1057     char *addr_str;
1058     WORD wsa_version;
1059     WSADATA wsa_data;
1060     int ret;
1061
1062     adptr_addrs = guest_get_adapters_addresses(errp);
1063     if (adptr_addrs == NULL) {
1064         return NULL;
1065     }
1066
1067     /* Make WSA APIs available. */
1068     wsa_version = MAKEWORD(2, 2);
1069     ret = WSAStartup(wsa_version, &wsa_data);
1070     if (ret != 0) {
1071         error_setg_win32(errp, ret, "failed socket startup");
1072         goto out;
1073     }
1074
1075     for (addr = adptr_addrs; addr; addr = addr->Next) {
1076         info = g_malloc0(sizeof(*info));
1077
1078         if (cur_item == NULL) {
1079             head = cur_item = info;
1080         } else {
1081             cur_item->next = info;
1082             cur_item = info;
1083         }
1084
1085         info->value = g_malloc0(sizeof(*info->value));
1086         info->value->name = guest_wctomb_dup(addr->FriendlyName);
1087
1088         if (addr->PhysicalAddressLength != 0) {
1089             mac_addr = addr->PhysicalAddress;
1090
1091             info->value->hardware_address =
1092                 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x",
1093                                 (int) mac_addr[0], (int) mac_addr[1],
1094                                 (int) mac_addr[2], (int) mac_addr[3],
1095                                 (int) mac_addr[4], (int) mac_addr[5]);
1096
1097             info->value->has_hardware_address = true;
1098         }
1099
1100         head_addr = NULL;
1101         cur_addr = NULL;
1102         for (ip_addr = addr->FirstUnicastAddress;
1103                 ip_addr;
1104                 ip_addr = ip_addr->Next) {
1105             addr_str = guest_addr_to_str(ip_addr, errp);
1106             if (addr_str == NULL) {
1107                 continue;
1108             }
1109
1110             address_item = g_malloc0(sizeof(*address_item));
1111
1112             if (!cur_addr) {
1113                 head_addr = cur_addr = address_item;
1114             } else {
1115                 cur_addr->next = address_item;
1116                 cur_addr = address_item;
1117             }
1118
1119             address_item->value = g_malloc0(sizeof(*address_item->value));
1120             address_item->value->ip_address = addr_str;
1121             address_item->value->prefix = guest_ip_prefix(ip_addr);
1122             if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) {
1123                 address_item->value->ip_address_type =
1124                     GUEST_IP_ADDRESS_TYPE_IPV4;
1125             } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1126                 address_item->value->ip_address_type =
1127                     GUEST_IP_ADDRESS_TYPE_IPV6;
1128             }
1129         }
1130         if (head_addr) {
1131             info->value->has_ip_addresses = true;
1132             info->value->ip_addresses = head_addr;
1133         }
1134     }
1135     WSACleanup();
1136 out:
1137     g_free(adptr_addrs);
1138     return head;
1139 }
1140
1141 int64_t qmp_guest_get_time(Error **errp)
1142 {
1143     SYSTEMTIME ts = {0};
1144     int64_t time_ns;
1145     FILETIME tf;
1146
1147     GetSystemTime(&ts);
1148     if (ts.wYear < 1601 || ts.wYear > 30827) {
1149         error_setg(errp, "Failed to get time");
1150         return -1;
1151     }
1152
1153     if (!SystemTimeToFileTime(&ts, &tf)) {
1154         error_setg(errp, "Failed to convert system time: %d", (int)GetLastError());
1155         return -1;
1156     }
1157
1158     time_ns = ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime)
1159                 - W32_FT_OFFSET) * 100;
1160
1161     return time_ns;
1162 }
1163
1164 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp)
1165 {
1166     Error *local_err = NULL;
1167     SYSTEMTIME ts;
1168     FILETIME tf;
1169     LONGLONG time;
1170
1171     if (!has_time) {
1172         /* Unfortunately, Windows libraries don't provide an easy way to access
1173          * RTC yet:
1174          *
1175          * https://msdn.microsoft.com/en-us/library/aa908981.aspx
1176          */
1177         error_setg(errp, "Time argument is required on this platform");
1178         return;
1179     }
1180
1181     /* Validate time passed by user. */
1182     if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) {
1183         error_setg(errp, "Time %" PRId64 "is invalid", time_ns);
1184         return;
1185     }
1186
1187     time = time_ns / 100 + W32_FT_OFFSET;
1188
1189     tf.dwLowDateTime = (DWORD) time;
1190     tf.dwHighDateTime = (DWORD) (time >> 32);
1191
1192     if (!FileTimeToSystemTime(&tf, &ts)) {
1193         error_setg(errp, "Failed to convert system time %d",
1194                    (int)GetLastError());
1195         return;
1196     }
1197
1198     acquire_privilege(SE_SYSTEMTIME_NAME, &local_err);
1199     if (local_err) {
1200         error_propagate(errp, local_err);
1201         return;
1202     }
1203
1204     if (!SetSystemTime(&ts)) {
1205         error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError());
1206         return;
1207     }
1208 }
1209
1210 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
1211 {
1212     error_setg(errp, QERR_UNSUPPORTED);
1213     return NULL;
1214 }
1215
1216 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
1217 {
1218     error_setg(errp, QERR_UNSUPPORTED);
1219     return -1;
1220 }
1221
1222 static gchar *
1223 get_net_error_message(gint error)
1224 {
1225     HMODULE module = NULL;
1226     gchar *retval = NULL;
1227     wchar_t *msg = NULL;
1228     int flags, nchars;
1229
1230     flags = FORMAT_MESSAGE_ALLOCATE_BUFFER
1231         |FORMAT_MESSAGE_IGNORE_INSERTS
1232         |FORMAT_MESSAGE_FROM_SYSTEM;
1233
1234     if (error >= NERR_BASE && error <= MAX_NERR) {
1235         module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
1236
1237         if (module != NULL) {
1238             flags |= FORMAT_MESSAGE_FROM_HMODULE;
1239         }
1240     }
1241
1242     FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL);
1243
1244     if (msg != NULL) {
1245         nchars = wcslen(msg);
1246
1247         if (nchars > 2 && msg[nchars-1] == '\n' && msg[nchars-2] == '\r') {
1248             msg[nchars-2] = '\0';
1249         }
1250
1251         retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL);
1252
1253         LocalFree(msg);
1254     }
1255
1256     if (module != NULL) {
1257         FreeLibrary(module);
1258     }
1259
1260     return retval;
1261 }
1262
1263 void qmp_guest_set_user_password(const char *username,
1264                                  const char *password,
1265                                  bool crypted,
1266                                  Error **errp)
1267 {
1268     NET_API_STATUS nas;
1269     char *rawpasswddata = NULL;
1270     size_t rawpasswdlen;
1271     wchar_t *user, *wpass;
1272     USER_INFO_1003 pi1003 = { 0, };
1273
1274     if (crypted) {
1275         error_setg(errp, QERR_UNSUPPORTED);
1276         return;
1277     }
1278
1279     rawpasswddata = (char *)g_base64_decode(password, &rawpasswdlen);
1280     rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1);
1281     rawpasswddata[rawpasswdlen] = '\0';
1282
1283     user = g_utf8_to_utf16(username, -1, NULL, NULL, NULL);
1284     wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, NULL);
1285
1286     pi1003.usri1003_password = wpass;
1287     nas = NetUserSetInfo(NULL, user,
1288                          1003, (LPBYTE)&pi1003,
1289                          NULL);
1290
1291     if (nas != NERR_Success) {
1292         gchar *msg = get_net_error_message(nas);
1293         error_setg(errp, "failed to set password: %s", msg);
1294         g_free(msg);
1295     }
1296
1297     g_free(user);
1298     g_free(wpass);
1299     g_free(rawpasswddata);
1300 }
1301
1302 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
1303 {
1304     error_setg(errp, QERR_UNSUPPORTED);
1305     return NULL;
1306 }
1307
1308 GuestMemoryBlockResponseList *
1309 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp)
1310 {
1311     error_setg(errp, QERR_UNSUPPORTED);
1312     return NULL;
1313 }
1314
1315 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp)
1316 {
1317     error_setg(errp, QERR_UNSUPPORTED);
1318     return NULL;
1319 }
1320
1321 /* add unsupported commands to the blacklist */
1322 GList *ga_command_blacklist_init(GList *blacklist)
1323 {
1324     const char *list_unsupported[] = {
1325         "guest-suspend-hybrid",
1326         "guest-get-vcpus", "guest-set-vcpus",
1327         "guest-get-memory-blocks", "guest-set-memory-blocks",
1328         "guest-get-memory-block-size",
1329         "guest-fsfreeze-freeze-list",
1330         "guest-fstrim", NULL};
1331     char **p = (char **)list_unsupported;
1332
1333     while (*p) {
1334         blacklist = g_list_append(blacklist, g_strdup(*p++));
1335     }
1336
1337     if (!vss_init(true)) {
1338         g_debug("vss_init failed, vss commands are going to be disabled");
1339         const char *list[] = {
1340             "guest-get-fsinfo", "guest-fsfreeze-status",
1341             "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL};
1342         p = (char **)list;
1343
1344         while (*p) {
1345             blacklist = g_list_append(blacklist, g_strdup(*p++));
1346         }
1347     }
1348
1349     return blacklist;
1350 }
1351
1352 /* register init/cleanup routines for stateful command groups */
1353 void ga_command_state_init(GAState *s, GACommandState *cs)
1354 {
1355     if (!vss_initialized()) {
1356         ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
1357     }
1358 }