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 #include "qemu/base64.h"
  38
  39 #ifndef SHTDN_REASON_FLAG_PLANNED
  40 #define SHTDN_REASON_FLAG_PLANNED 0x80000000
  41 #endif
  42
  43 /* multiple of 100 nanoseconds elapsed between windows baseline
  44  *    (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */
  45 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \
  46                        (365 * (1970 - 1601) +       \
  47                         (1970 - 1601) / 4 - 3))
  48
  49 #define INVALID_SET_FILE_POINTER ((DWORD)-1)
  50
  51 typedef struct GuestFileHandle {
  52     int64_t id;
  53     HANDLE fh;
  54     QTAILQ_ENTRY(GuestFileHandle) next;
  55 } GuestFileHandle;
  56
  57 static struct {
  58     QTAILQ_HEAD(, GuestFileHandle) filehandles;
  59 } guest_file_state = {
  60     .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles),
  61 };
  62
  63 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA)
  64
  65 typedef struct OpenFlags {
  66     const char *forms;
  67     DWORD desired_access;
  68     DWORD creation_disposition;
  69 } OpenFlags;
  70 static OpenFlags guest_file_open_modes[] = {
  71     {"r",   GENERIC_READ,                     OPEN_EXISTING},
  72     {"rb",  GENERIC_READ,                     OPEN_EXISTING},
  73     {"w",   GENERIC_WRITE,                    CREATE_ALWAYS},
  74     {"wb",  GENERIC_WRITE,                    CREATE_ALWAYS},
  75     {"a",   FILE_GENERIC_APPEND,              OPEN_ALWAYS  },
  76     {"r+",  GENERIC_WRITE|GENERIC_READ,       OPEN_EXISTING},
  77     {"rb+", GENERIC_WRITE|GENERIC_READ,       OPEN_EXISTING},
  78     {"r+b", GENERIC_WRITE|GENERIC_READ,       OPEN_EXISTING},
  79     {"w+",  GENERIC_WRITE|GENERIC_READ,       CREATE_ALWAYS},
  80     {"wb+", GENERIC_WRITE|GENERIC_READ,       CREATE_ALWAYS},
  81     {"w+b", GENERIC_WRITE|GENERIC_READ,       CREATE_ALWAYS},
  82     {"a+",  FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS  },
  83     {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS  },
  84     {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS  }
  85 };
  86
  87 static OpenFlags *find_open_flag(const char *mode_str)
  88 {
  89     int mode;
  90     Error **errp = NULL;
  91
  92     for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) {
  93         OpenFlags *flags = guest_file_open_modes + mode;
  94
  95         if (strcmp(flags->forms, mode_str) == 0) {
  96             return flags;
  97         }
  98     }
  99
 100     error_setg(errp, "invalid file open mode '%s'", mode_str);
 101     return NULL;
 102 }
 103
 104 static int64_t guest_file_handle_add(HANDLE fh, Error **errp)
 105 {
 106     GuestFileHandle *gfh;
 107     int64_t handle;
 108
 109     handle = ga_get_fd_handle(ga_state, errp);
 110     if (handle < 0) {
 111         return -1;
 112     }
 113     gfh = g_new0(GuestFileHandle, 1);
 114     gfh->id = handle;
 115     gfh->fh = fh;
 116     QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next);
 117
 118     return handle;
 119 }
 120
 121 static GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp)
 122 {
 123     GuestFileHandle *gfh;
 124     QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) {
 125         if (gfh->id == id) {
 126             return gfh;
 127         }
 128     }
 129     error_setg(errp, "handle '%" PRId64 "' has not been found", id);
 130     return NULL;
 131 }
 132
 133 static void handle_set_nonblocking(HANDLE fh)
 134 {
 135     DWORD file_type, pipe_state;
 136     file_type = GetFileType(fh);
 137     if (file_type != FILE_TYPE_PIPE) {
 138         return;
 139     }
 140     /* If file_type == FILE_TYPE_PIPE, according to MSDN
 141      * the specified file is socket or named pipe */
 142     if (!GetNamedPipeHandleState(fh, &pipe_state, NULL,
 143                                  NULL, NULL, NULL, 0)) {
 144         return;
 145     }
 146     /* The fd is named pipe fd */
 147     if (pipe_state & PIPE_NOWAIT) {
 148         return;
 149     }
 150
 151     pipe_state |= PIPE_NOWAIT;
 152     SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL);
 153 }
 154
 155 int64_t qmp_guest_file_open(const char *path, bool has_mode,
 156                             const char *mode, Error **errp)
 157 {
 158     int64_t fd;
 159     HANDLE fh;
 160     HANDLE templ_file = NULL;
 161     DWORD share_mode = FILE_SHARE_READ;
 162     DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL;
 163     LPSECURITY_ATTRIBUTES sa_attr = NULL;
 164     OpenFlags *guest_flags;
 165
 166     if (!has_mode) {
 167         mode = "r";
 168     }
 169     slog("guest-file-open called, filepath: %s, mode: %s", path, mode);
 170     guest_flags = find_open_flag(mode);
 171     if (guest_flags == NULL) {
 172         error_setg(errp, "invalid file open mode");
 173         return -1;
 174     }
 175
 176     fh = CreateFile(path, guest_flags->desired_access, share_mode, sa_attr,
 177                     guest_flags->creation_disposition, flags_and_attr,
 178                     templ_file);
 179     if (fh == INVALID_HANDLE_VALUE) {
 180         error_setg_win32(errp, GetLastError(), "failed to open file '%s'",
 181                          path);
 182         return -1;
 183     }
 184
 185     /* set fd non-blocking to avoid common use cases (like reading from a
 186      * named pipe) from hanging the agent
 187      */
 188     handle_set_nonblocking(fh);
 189
 190     fd = guest_file_handle_add(fh, errp);
 191     if (fd < 0) {
 192         CloseHandle(fh);
 193         error_setg(errp, "failed to add handle to qmp handle table");
 194         return -1;
 195     }
 196
 197     slog("guest-file-open, handle: % " PRId64, fd);
 198     return fd;
 199 }
 200
 201 void qmp_guest_file_close(int64_t handle, Error **errp)
 202 {
 203     bool ret;
 204     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 205     slog("guest-file-close called, handle: %" PRId64, handle);
 206     if (gfh == NULL) {
 207         return;
 208     }
 209     ret = CloseHandle(gfh->fh);
 210     if (!ret) {
 211         error_setg_win32(errp, GetLastError(), "failed close handle");
 212         return;
 213     }
 214
 215     QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next);
 216     g_free(gfh);
 217 }
 218
 219 static void acquire_privilege(const char *name, Error **errp)
 220 {
 221     HANDLE token = NULL;
 222     TOKEN_PRIVILEGES priv;
 223     Error *local_err = NULL;
 224
 225     if (OpenProcessToken(GetCurrentProcess(),
 226         TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token))
 227     {
 228         if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) {
 229             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 230                        "no luid for requested privilege");
 231             goto out;
 232         }
 233
 234         priv.PrivilegeCount = 1;
 235         priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
 236
 237         if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) {
 238             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 239                        "unable to acquire requested privilege");
 240             goto out;
 241         }
 242
 243     } else {
 244         error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 245                    "failed to open privilege token");
 246     }
 247
 248 out:
 249     if (token) {
 250         CloseHandle(token);
 251     }
 252     if (local_err) {
 253         error_propagate(errp, local_err);
 254     }
 255 }
 256
 257 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque,
 258                           Error **errp)
 259 {
 260     Error *local_err = NULL;
 261
 262     HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL);
 263     if (!thread) {
 264         error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 265                    "failed to dispatch asynchronous command");
 266         error_propagate(errp, local_err);
 267     }
 268 }
 269
 270 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
 271 {
 272     Error *local_err = NULL;
 273     UINT shutdown_flag = EWX_FORCE;
 274
 275     slog("guest-shutdown called, mode: %s", mode);
 276
 277     if (!has_mode || strcmp(mode, "powerdown") == 0) {
 278         shutdown_flag |= EWX_POWEROFF;
 279     } else if (strcmp(mode, "halt") == 0) {
 280         shutdown_flag |= EWX_SHUTDOWN;
 281     } else if (strcmp(mode, "reboot") == 0) {
 282         shutdown_flag |= EWX_REBOOT;
 283     } else {
 284         error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode",
 285                    "halt|powerdown|reboot");
 286         return;
 287     }
 288
 289     /* Request a shutdown privilege, but try to shut down the system
 290        anyway. */
 291     acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
 292     if (local_err) {
 293         error_propagate(errp, local_err);
 294         return;
 295     }
 296
 297     if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) {
 298         slog("guest-shutdown failed: %lu", GetLastError());
 299         error_setg(errp, QERR_UNDEFINED_ERROR);
 300     }
 301 }
 302
 303 GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
 304                                    int64_t count, Error **errp)
 305 {
 306     GuestFileRead *read_data = NULL;
 307     guchar *buf;
 308     HANDLE fh;
 309     bool is_ok;
 310     DWORD read_count;
 311     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 312
 313     if (!gfh) {
 314         return NULL;
 315     }
 316     if (!has_count) {
 317         count = QGA_READ_COUNT_DEFAULT;
 318     } else if (count < 0) {
 319         error_setg(errp, "value '%" PRId64
 320                    "' is invalid for argument count", count);
 321         return NULL;
 322     }
 323
 324     fh = gfh->fh;
 325     buf = g_malloc0(count+1);
 326     is_ok = ReadFile(fh, buf, count, &read_count, NULL);
 327     if (!is_ok) {
 328         error_setg_win32(errp, GetLastError(), "failed to read file");
 329         slog("guest-file-read failed, handle %" PRId64, handle);
 330     } else {
 331         buf[read_count] = 0;
 332         read_data = g_new0(GuestFileRead, 1);
 333         read_data->count = (size_t)read_count;
 334         read_data->eof = read_count == 0;
 335
 336         if (read_count != 0) {
 337             read_data->buf_b64 = g_base64_encode(buf, read_count);
 338         }
 339     }
 340     g_free(buf);
 341
 342     return read_data;
 343 }
 344
 345 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
 346                                      bool has_count, int64_t count,
 347                                      Error **errp)
 348 {
 349     GuestFileWrite *write_data = NULL;
 350     guchar *buf;
 351     gsize buf_len;
 352     bool is_ok;
 353     DWORD write_count;
 354     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 355     HANDLE fh;
 356
 357     if (!gfh) {
 358         return NULL;
 359     }
 360     fh = gfh->fh;
 361     buf = qbase64_decode(buf_b64, -1, &buf_len, errp);
 362     if (!buf) {
 363         return NULL;
 364     }
 365
 366     if (!has_count) {
 367         count = buf_len;
 368     } else if (count < 0 || count > buf_len) {
 369         error_setg(errp, "value '%" PRId64
 370                    "' is invalid for argument count", count);
 371         goto done;
 372     }
 373
 374     is_ok = WriteFile(fh, buf, count, &write_count, NULL);
 375     if (!is_ok) {
 376         error_setg_win32(errp, GetLastError(), "failed to write to file");
 377         slog("guest-file-write-failed, handle: %" PRId64, handle);
 378     } else {
 379         write_data = g_new0(GuestFileWrite, 1);
 380         write_data->count = (size_t) write_count;
 381     }
 382
 383 done:
 384     g_free(buf);
 385     return write_data;
 386 }
 387
 388 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
 389                                    int64_t whence_code, Error **errp)
 390 {
 391     GuestFileHandle *gfh;
 392     GuestFileSeek *seek_data;
 393     HANDLE fh;
 394     LARGE_INTEGER new_pos, off_pos;
 395     off_pos.QuadPart = offset;
 396     BOOL res;
 397     int whence;
 398
 399     gfh = guest_file_handle_find(handle, errp);
 400     if (!gfh) {
 401         return NULL;
 402     }
 403
 404     /* We stupidly exposed 'whence':'int' in our qapi */
 405     switch (whence_code) {
 406     case QGA_SEEK_SET:
 407         whence = SEEK_SET;
 408         break;
 409     case QGA_SEEK_CUR:
 410         whence = SEEK_CUR;
 411         break;
 412     case QGA_SEEK_END:
 413         whence = SEEK_END;
 414         break;
 415     default:
 416         error_setg(errp, "invalid whence code %"PRId64, whence_code);
 417         return NULL;
 418     }
 419
 420     fh = gfh->fh;
 421     res = SetFilePointerEx(fh, off_pos, &new_pos, whence);
 422     if (!res) {
 423         error_setg_win32(errp, GetLastError(), "failed to seek file");
 424         return NULL;
 425     }
 426     seek_data = g_new0(GuestFileSeek, 1);
 427     seek_data->position = new_pos.QuadPart;
 428     return seek_data;
 429 }
 430
 431 void qmp_guest_file_flush(int64_t handle, Error **errp)
 432 {
 433     HANDLE fh;
 434     GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
 435     if (!gfh) {
 436         return;
 437     }
 438
 439     fh = gfh->fh;
 440     if (!FlushFileBuffers(fh)) {
 441         error_setg_win32(errp, GetLastError(), "failed to flush file");
 442     }
 443 }
 444
 445 #ifdef CONFIG_QGA_NTDDSCSI
 446
 447 static STORAGE_BUS_TYPE win2qemu[] = {
 448     [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN,
 449     [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI,
 450     [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE,
 451     [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE,
 452     [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394,
 453     [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA,
 454     [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA,
 455     [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB,
 456     [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID,
 457 #if (_WIN32_WINNT >= 0x0600)
 458     [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI,
 459     [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS,
 460     [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA,
 461     [BusTypeSd] =  GUEST_DISK_BUS_TYPE_SD,
 462     [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC,
 463 #endif
 464 #if (_WIN32_WINNT >= 0x0601)
 465     [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL,
 466     [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL,
 467 #endif
 468 };
 469
 470 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus)
 471 {
 472     if (bus > ARRAY_SIZE(win2qemu) || (int)bus < 0) {
 473         return GUEST_DISK_BUS_TYPE_UNKNOWN;
 474     }
 475     return win2qemu[(int)bus];
 476 }
 477
 478 DEFINE_GUID(GUID_DEVINTERFACE_VOLUME,
 479         0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2,
 480         0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
 481
 482 static GuestPCIAddress *get_pci_info(char *guid, Error **errp)
 483 {
 484     HDEVINFO dev_info;
 485     SP_DEVINFO_DATA dev_info_data;
 486     DWORD size = 0;
 487     int i;
 488     char dev_name[MAX_PATH];
 489     char *buffer = NULL;
 490     GuestPCIAddress *pci = NULL;
 491     char *name = g_strdup(&guid[4]);
 492
 493     if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) {
 494         error_setg_win32(errp, GetLastError(), "failed to get dos device name");
 495         goto out;
 496     }
 497
 498     dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_VOLUME, 0, 0,
 499                                    DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
 500     if (dev_info == INVALID_HANDLE_VALUE) {
 501         error_setg_win32(errp, GetLastError(), "failed to get devices tree");
 502         goto out;
 503     }
 504
 505     dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA);
 506     for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) {
 507         DWORD addr, bus, slot, func, dev, data, size2;
 508         while (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 509                                             SPDRP_PHYSICAL_DEVICE_OBJECT_NAME,
 510                                             &data, (PBYTE)buffer, size,
 511                                             &size2)) {
 512             size = MAX(size, size2);
 513             if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
 514                 g_free(buffer);
 515                 /* Double the size to avoid problems on
 516                  * W2k MBCS systems per KB 888609.
 517                  * https://support.microsoft.com/en-us/kb/259695 */
 518                 buffer = g_malloc(size * 2);
 519             } else {
 520                 error_setg_win32(errp, GetLastError(),
 521                         "failed to get device name");
 522                 goto out;
 523             }
 524         }
 525
 526         if (g_strcmp0(buffer, dev_name)) {
 527             continue;
 528         }
 529
 530         /* There is no need to allocate buffer in the next functions. The size
 531          * is known and ULONG according to
 532          * https://support.microsoft.com/en-us/kb/253232
 533          * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx
 534          */
 535         if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 536                    SPDRP_BUSNUMBER, &data, (PBYTE)&bus, size, NULL)) {
 537             break;
 538         }
 539
 540         /* The function retrieves the device's address. This value will be
 541          * transformed into device function and number */
 542         if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 543                    SPDRP_ADDRESS, &data, (PBYTE)&addr, size, NULL)) {
 544             break;
 545         }
 546
 547         /* This call returns UINumber of DEVICE_CAPABILITIES structure.
 548          * This number is typically a user-perceived slot number. */
 549         if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data,
 550                    SPDRP_UI_NUMBER, &data, (PBYTE)&slot, size, NULL)) {
 551             break;
 552         }
 553
 554         /* SetupApi gives us the same information as driver with
 555          * IoGetDeviceProperty. According to Microsoft
 556          * https://support.microsoft.com/en-us/kb/253232
 557          * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF);
 558          * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF);
 559          * SPDRP_ADDRESS is propertyAddress, so we do the same.*/
 560
 561         func = addr & 0x0000FFFF;
 562         dev = (addr >> 16) & 0x0000FFFF;
 563         pci = g_malloc0(sizeof(*pci));
 564         pci->domain = dev;
 565         pci->slot = slot;
 566         pci->function = func;
 567         pci->bus = bus;
 568         break;
 569     }
 570 out:
 571     g_free(buffer);
 572     g_free(name);
 573     return pci;
 574 }
 575
 576 static int get_disk_bus_type(HANDLE vol_h, Error **errp)
 577 {
 578     STORAGE_PROPERTY_QUERY query;
 579     STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf;
 580     DWORD received;
 581
 582     dev_desc = &buf;
 583     dev_desc->Size = sizeof(buf);
 584     query.PropertyId = StorageDeviceProperty;
 585     query.QueryType = PropertyStandardQuery;
 586
 587     if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query,
 588                          sizeof(STORAGE_PROPERTY_QUERY), dev_desc,
 589                          dev_desc->Size, &received, NULL)) {
 590         error_setg_win32(errp, GetLastError(), "failed to get bus type");
 591         return -1;
 592     }
 593
 594     return dev_desc->BusType;
 595 }
 596
 597 /* VSS provider works with volumes, thus there is no difference if
 598  * the volume consist of spanned disks. Info about the first disk in the
 599  * volume is returned for the spanned disk group (LVM) */
 600 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
 601 {
 602     GuestDiskAddressList *list = NULL;
 603     GuestDiskAddress *disk;
 604     SCSI_ADDRESS addr, *scsi_ad;
 605     DWORD len;
 606     int bus;
 607     HANDLE vol_h;
 608
 609     scsi_ad = &addr;
 610     char *name = g_strndup(guid, strlen(guid)-1);
 611
 612     vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING,
 613                        0, NULL);
 614     if (vol_h == INVALID_HANDLE_VALUE) {
 615         error_setg_win32(errp, GetLastError(), "failed to open volume");
 616         goto out_free;
 617     }
 618
 619     bus = get_disk_bus_type(vol_h, errp);
 620     if (bus < 0) {
 621         goto out_close;
 622     }
 623
 624     disk = g_malloc0(sizeof(*disk));
 625     disk->bus_type = find_bus_type(bus);
 626     if (bus == BusTypeScsi || bus == BusTypeAta || bus == BusTypeRAID
 627 #if (_WIN32_WINNT >= 0x0600)
 628             /* This bus type is not supported before Windows Server 2003 SP1 */
 629             || bus == BusTypeSas
 630 #endif
 631         ) {
 632         /* We are able to use the same ioctls for different bus types
 633          * according to Microsoft docs
 634          * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */
 635         if (DeviceIoControl(vol_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad,
 636                             sizeof(SCSI_ADDRESS), &len, NULL)) {
 637             disk->unit = addr.Lun;
 638             disk->target = addr.TargetId;
 639             disk->bus = addr.PathId;
 640             disk->pci_controller = get_pci_info(name, errp);
 641         }
 642         /* We do not set error in this case, because we still have enough
 643          * information about volume. */
 644     } else {
 645          disk->pci_controller = NULL;
 646     }
 647
 648     list = g_malloc0(sizeof(*list));
 649     list->value = disk;
 650     list->next = NULL;
 651 out_close:
 652     CloseHandle(vol_h);
 653 out_free:
 654     g_free(name);
 655     return list;
 656 }
 657
 658 #else
 659
 660 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp)
 661 {
 662     return NULL;
 663 }
 664
 665 #endif /* CONFIG_QGA_NTDDSCSI */
 666
 667 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp)
 668 {
 669     DWORD info_size;
 670     char mnt, *mnt_point;
 671     char fs_name[32];
 672     char vol_info[MAX_PATH+1];
 673     size_t len;
 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     if (len == 0) {
 704         fs->mountpoint = g_strdup("System Reserved");
 705     } else {
 706         fs->mountpoint = g_strndup(mnt_point, len);
 707     }
 708     fs->type = g_strdup(fs_name);
 709     fs->disk = build_guest_disk_info(guid, errp);
 710 free:
 711     g_free(mnt_point);
 712     return fs;
 713 }
 714
 715 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp)
 716 {
 717     HANDLE vol_h;
 718     GuestFilesystemInfoList *new, *ret = NULL;
 719     char guid[256];
 720
 721     vol_h = FindFirstVolume(guid, sizeof(guid));
 722     if (vol_h == INVALID_HANDLE_VALUE) {
 723         error_setg_win32(errp, GetLastError(), "failed to find any volume");
 724         return NULL;
 725     }
 726
 727     do {
 728         GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp);
 729         if (info == NULL) {
 730             continue;
 731         }
 732         new = g_malloc(sizeof(*ret));
 733         new->value = info;
 734         new->next = ret;
 735         ret = new;
 736     } while (FindNextVolume(vol_h, guid, sizeof(guid)));
 737
 738     if (GetLastError() != ERROR_NO_MORE_FILES) {
 739         error_setg_win32(errp, GetLastError(), "failed to find next volume");
 740     }
 741
 742     FindVolumeClose(vol_h);
 743     return ret;
 744 }
 745
 746 /*
 747  * Return status of freeze/thaw
 748  */
 749 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
 750 {
 751     if (!vss_initialized()) {
 752         error_setg(errp, QERR_UNSUPPORTED);
 753         return 0;
 754     }
 755
 756     if (ga_is_frozen(ga_state)) {
 757         return GUEST_FSFREEZE_STATUS_FROZEN;
 758     }
 759
 760     return GUEST_FSFREEZE_STATUS_THAWED;
 761 }
 762
 763 /*
 764  * Freeze local file systems using Volume Shadow-copy Service.
 765  * The frozen state is limited for up to 10 seconds by VSS.
 766  */
 767 int64_t qmp_guest_fsfreeze_freeze(Error **errp)
 768 {
 769     int i;
 770     Error *local_err = NULL;
 771
 772     if (!vss_initialized()) {
 773         error_setg(errp, QERR_UNSUPPORTED);
 774         return 0;
 775     }
 776
 777     slog("guest-fsfreeze called");
 778
 779     /* cannot risk guest agent blocking itself on a write in this state */
 780     ga_set_frozen(ga_state);
 781
 782     qga_vss_fsfreeze(&i, &local_err, true);
 783     if (local_err) {
 784         error_propagate(errp, local_err);
 785         goto error;
 786     }
 787
 788     return i;
 789
 790 error:
 791     local_err = NULL;
 792     qmp_guest_fsfreeze_thaw(&local_err);
 793     if (local_err) {
 794         g_debug("cleanup thaw: %s", error_get_pretty(local_err));
 795         error_free(local_err);
 796     }
 797     return 0;
 798 }
 799
 800 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints,
 801                                        strList *mountpoints,
 802                                        Error **errp)
 803 {
 804     error_setg(errp, QERR_UNSUPPORTED);
 805
 806     return 0;
 807 }
 808
 809 /*
 810  * Thaw local file systems using Volume Shadow-copy Service.
 811  */
 812 int64_t qmp_guest_fsfreeze_thaw(Error **errp)
 813 {
 814     int i;
 815
 816     if (!vss_initialized()) {
 817         error_setg(errp, QERR_UNSUPPORTED);
 818         return 0;
 819     }
 820
 821     qga_vss_fsfreeze(&i, errp, false);
 822
 823     ga_unset_frozen(ga_state);
 824     return i;
 825 }
 826
 827 static void guest_fsfreeze_cleanup(void)
 828 {
 829     Error *err = NULL;
 830
 831     if (!vss_initialized()) {
 832         return;
 833     }
 834
 835     if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) {
 836         qmp_guest_fsfreeze_thaw(&err);
 837         if (err) {
 838             slog("failed to clean up frozen filesystems: %s",
 839                  error_get_pretty(err));
 840             error_free(err);
 841         }
 842     }
 843
 844     vss_deinit(true);
 845 }
 846
 847 /*
 848  * Walk list of mounted file systems in the guest, and discard unused
 849  * areas.
 850  */
 851 GuestFilesystemTrimResponse *
 852 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
 853 {
 854     error_setg(errp, QERR_UNSUPPORTED);
 855     return NULL;
 856 }
 857
 858 typedef enum {
 859     GUEST_SUSPEND_MODE_DISK,
 860     GUEST_SUSPEND_MODE_RAM
 861 } GuestSuspendMode;
 862
 863 static void check_suspend_mode(GuestSuspendMode mode, Error **errp)
 864 {
 865     SYSTEM_POWER_CAPABILITIES sys_pwr_caps;
 866     Error *local_err = NULL;
 867
 868     ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
 869     if (!GetPwrCapabilities(&sys_pwr_caps)) {
 870         error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 871                    "failed to determine guest suspend capabilities");
 872         goto out;
 873     }
 874
 875     switch (mode) {
 876     case GUEST_SUSPEND_MODE_DISK:
 877         if (!sys_pwr_caps.SystemS4) {
 878             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 879                        "suspend-to-disk not supported by OS");
 880         }
 881         break;
 882     case GUEST_SUSPEND_MODE_RAM:
 883         if (!sys_pwr_caps.SystemS3) {
 884             error_setg(&local_err, QERR_QGA_COMMAND_FAILED,
 885                        "suspend-to-ram not supported by OS");
 886         }
 887         break;
 888     default:
 889         error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode",
 890                    "GuestSuspendMode");
 891     }
 892
 893 out:
 894     if (local_err) {
 895         error_propagate(errp, local_err);
 896     }
 897 }
 898
 899 static DWORD WINAPI do_suspend(LPVOID opaque)
 900 {
 901     GuestSuspendMode *mode = opaque;
 902     DWORD ret = 0;
 903
 904     if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) {
 905         slog("failed to suspend guest, %lu", GetLastError());
 906         ret = -1;
 907     }
 908     g_free(mode);
 909     return ret;
 910 }
 911
 912 void qmp_guest_suspend_disk(Error **errp)
 913 {
 914     Error *local_err = NULL;
 915     GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
 916
 917     *mode = GUEST_SUSPEND_MODE_DISK;
 918     check_suspend_mode(*mode, &local_err);
 919     acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
 920     execute_async(do_suspend, mode, &local_err);
 921
 922     if (local_err) {
 923         error_propagate(errp, local_err);
 924         g_free(mode);
 925     }
 926 }
 927
 928 void qmp_guest_suspend_ram(Error **errp)
 929 {
 930     Error *local_err = NULL;
 931     GuestSuspendMode *mode = g_new(GuestSuspendMode, 1);
 932
 933     *mode = GUEST_SUSPEND_MODE_RAM;
 934     check_suspend_mode(*mode, &local_err);
 935     acquire_privilege(SE_SHUTDOWN_NAME, &local_err);
 936     execute_async(do_suspend, mode, &local_err);
 937
 938     if (local_err) {
 939         error_propagate(errp, local_err);
 940         g_free(mode);
 941     }
 942 }
 943
 944 void qmp_guest_suspend_hybrid(Error **errp)
 945 {
 946     error_setg(errp, QERR_UNSUPPORTED);
 947 }
 948
 949 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp)
 950 {
 951     IP_ADAPTER_ADDRESSES *adptr_addrs = NULL;
 952     ULONG adptr_addrs_len = 0;
 953     DWORD ret;
 954
 955     /* Call the first time to get the adptr_addrs_len. */
 956     GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
 957                          NULL, adptr_addrs, &adptr_addrs_len);
 958
 959     adptr_addrs = g_malloc(adptr_addrs_len);
 960     ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX,
 961                                NULL, adptr_addrs, &adptr_addrs_len);
 962     if (ret != ERROR_SUCCESS) {
 963         error_setg_win32(errp, ret, "failed to get adapters addresses");
 964         g_free(adptr_addrs);
 965         adptr_addrs = NULL;
 966     }
 967     return adptr_addrs;
 968 }
 969
 970 static char *guest_wctomb_dup(WCHAR *wstr)
 971 {
 972     char *str;
 973     size_t i;
 974
 975     i = wcslen(wstr) + 1;
 976     str = g_malloc(i);
 977     WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK,
 978                         wstr, -1, str, i, NULL, NULL);
 979     return str;
 980 }
 981
 982 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr,
 983                                Error **errp)
 984 {
 985     char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN];
 986     DWORD len;
 987     int ret;
 988
 989     if (ip_addr->Address.lpSockaddr->sa_family == AF_INET ||
 990             ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
 991         len = sizeof(addr_str);
 992         ret = WSAAddressToString(ip_addr->Address.lpSockaddr,
 993                                  ip_addr->Address.iSockaddrLength,
 994                                  NULL,
 995                                  addr_str,
 996                                  &len);
 997         if (ret != 0) {
 998             error_setg_win32(errp, WSAGetLastError(),
 999                 "failed address presentation form conversion");
1000             return NULL;
1001         }
1002         return g_strdup(addr_str);
1003     }
1004     return NULL;
1005 }
1006
1007 #if (_WIN32_WINNT >= 0x0600)
1008 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
1009 {
1010     /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength
1011      * field to obtain the prefix.
1012      */
1013     return ip_addr->OnLinkPrefixLength;
1014 }
1015 #else
1016 /* When using the Windows XP and 2003 build environment, do the best we can to
1017  * figure out the prefix.
1018  */
1019 static IP_ADAPTER_INFO *guest_get_adapters_info(void)
1020 {
1021     IP_ADAPTER_INFO *adptr_info = NULL;
1022     ULONG adptr_info_len = 0;
1023     DWORD ret;
1024
1025     /* Call the first time to get the adptr_info_len. */
1026     GetAdaptersInfo(adptr_info, &adptr_info_len);
1027
1028     adptr_info = g_malloc(adptr_info_len);
1029     ret = GetAdaptersInfo(adptr_info, &adptr_info_len);
1030     if (ret != ERROR_SUCCESS) {
1031         g_free(adptr_info);
1032         adptr_info = NULL;
1033     }
1034     return adptr_info;
1035 }
1036
1037 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr)
1038 {
1039     int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */
1040     IP_ADAPTER_INFO *adptr_info, *info;
1041     IP_ADDR_STRING *ip;
1042     struct in_addr *p;
1043
1044     if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) {
1045         return prefix;
1046     }
1047     adptr_info = guest_get_adapters_info();
1048     if (adptr_info == NULL) {
1049         return prefix;
1050     }
1051
1052     /* Match up the passed in ip_addr with one found in adaptr_info.
1053      * The matching one in adptr_info will have the netmask.
1054      */
1055     p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr;
1056     for (info = adptr_info; info; info = info->Next) {
1057         for (ip = &info->IpAddressList; ip; ip = ip->Next) {
1058             if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) {
1059                 prefix = ctpop32(inet_addr(ip->IpMask.String));
1060                 goto out;
1061             }
1062         }
1063     }
1064 out:
1065     g_free(adptr_info);
1066     return prefix;
1067 }
1068 #endif
1069
1070 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
1071 {
1072     IP_ADAPTER_ADDRESSES *adptr_addrs, *addr;
1073     IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL;
1074     GuestNetworkInterfaceList *head = NULL, *cur_item = NULL;
1075     GuestIpAddressList *head_addr, *cur_addr;
1076     GuestNetworkInterfaceList *info;
1077     GuestIpAddressList *address_item = NULL;
1078     unsigned char *mac_addr;
1079     char *addr_str;
1080     WORD wsa_version;
1081     WSADATA wsa_data;
1082     int ret;
1083
1084     adptr_addrs = guest_get_adapters_addresses(errp);
1085     if (adptr_addrs == NULL) {
1086         return NULL;
1087     }
1088
1089     /* Make WSA APIs available. */
1090     wsa_version = MAKEWORD(2, 2);
1091     ret = WSAStartup(wsa_version, &wsa_data);
1092     if (ret != 0) {
1093         error_setg_win32(errp, ret, "failed socket startup");
1094         goto out;
1095     }
1096
1097     for (addr = adptr_addrs; addr; addr = addr->Next) {
1098         info = g_malloc0(sizeof(*info));
1099
1100         if (cur_item == NULL) {
1101             head = cur_item = info;
1102         } else {
1103             cur_item->next = info;
1104             cur_item = info;
1105         }
1106
1107         info->value = g_malloc0(sizeof(*info->value));
1108         info->value->name = guest_wctomb_dup(addr->FriendlyName);
1109
1110         if (addr->PhysicalAddressLength != 0) {
1111             mac_addr = addr->PhysicalAddress;
1112
1113             info->value->hardware_address =
1114                 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x",
1115                                 (int) mac_addr[0], (int) mac_addr[1],
1116                                 (int) mac_addr[2], (int) mac_addr[3],
1117                                 (int) mac_addr[4], (int) mac_addr[5]);
1118
1119             info->value->has_hardware_address = true;
1120         }
1121
1122         head_addr = NULL;
1123         cur_addr = NULL;
1124         for (ip_addr = addr->FirstUnicastAddress;
1125                 ip_addr;
1126                 ip_addr = ip_addr->Next) {
1127             addr_str = guest_addr_to_str(ip_addr, errp);
1128             if (addr_str == NULL) {
1129                 continue;
1130             }
1131
1132             address_item = g_malloc0(sizeof(*address_item));
1133
1134             if (!cur_addr) {
1135                 head_addr = cur_addr = address_item;
1136             } else {
1137                 cur_addr->next = address_item;
1138                 cur_addr = address_item;
1139             }
1140
1141             address_item->value = g_malloc0(sizeof(*address_item->value));
1142             address_item->value->ip_address = addr_str;
1143             address_item->value->prefix = guest_ip_prefix(ip_addr);
1144             if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) {
1145                 address_item->value->ip_address_type =
1146                     GUEST_IP_ADDRESS_TYPE_IPV4;
1147             } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) {
1148                 address_item->value->ip_address_type =
1149                     GUEST_IP_ADDRESS_TYPE_IPV6;
1150             }
1151         }
1152         if (head_addr) {
1153             info->value->has_ip_addresses = true;
1154             info->value->ip_addresses = head_addr;
1155         }
1156     }
1157     WSACleanup();
1158 out:
1159     g_free(adptr_addrs);
1160     return head;
1161 }
1162
1163 int64_t qmp_guest_get_time(Error **errp)
1164 {
1165     SYSTEMTIME ts = {0};
1166     int64_t time_ns;
1167     FILETIME tf;
1168
1169     GetSystemTime(&ts);
1170     if (ts.wYear < 1601 || ts.wYear > 30827) {
1171         error_setg(errp, "Failed to get time");
1172         return -1;
1173     }
1174
1175     if (!SystemTimeToFileTime(&ts, &tf)) {
1176         error_setg(errp, "Failed to convert system time: %d", (int)GetLastError());
1177         return -1;
1178     }
1179
1180     time_ns = ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime)
1181                 - W32_FT_OFFSET) * 100;
1182
1183     return time_ns;
1184 }
1185
1186 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp)
1187 {
1188     Error *local_err = NULL;
1189     SYSTEMTIME ts;
1190     FILETIME tf;
1191     LONGLONG time;
1192
1193     if (!has_time) {
1194         /* Unfortunately, Windows libraries don't provide an easy way to access
1195          * RTC yet:
1196          *
1197          * https://msdn.microsoft.com/en-us/library/aa908981.aspx
1198          */
1199         error_setg(errp, "Time argument is required on this platform");
1200         return;
1201     }
1202
1203     /* Validate time passed by user. */
1204     if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) {
1205         error_setg(errp, "Time %" PRId64 "is invalid", time_ns);
1206         return;
1207     }
1208
1209     time = time_ns / 100 + W32_FT_OFFSET;
1210
1211     tf.dwLowDateTime = (DWORD) time;
1212     tf.dwHighDateTime = (DWORD) (time >> 32);
1213
1214     if (!FileTimeToSystemTime(&tf, &ts)) {
1215         error_setg(errp, "Failed to convert system time %d",
1216                    (int)GetLastError());
1217         return;
1218     }
1219
1220     acquire_privilege(SE_SYSTEMTIME_NAME, &local_err);
1221     if (local_err) {
1222         error_propagate(errp, local_err);
1223         return;
1224     }
1225
1226     if (!SetSystemTime(&ts)) {
1227         error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError());
1228         return;
1229     }
1230 }
1231
1232 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
1233 {
1234     error_setg(errp, QERR_UNSUPPORTED);
1235     return NULL;
1236 }
1237
1238 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
1239 {
1240     error_setg(errp, QERR_UNSUPPORTED);
1241     return -1;
1242 }
1243
1244 static gchar *
1245 get_net_error_message(gint error)
1246 {
1247     HMODULE module = NULL;
1248     gchar *retval = NULL;
1249     wchar_t *msg = NULL;
1250     int flags, nchars;
1251
1252     flags = FORMAT_MESSAGE_ALLOCATE_BUFFER
1253         |FORMAT_MESSAGE_IGNORE_INSERTS
1254         |FORMAT_MESSAGE_FROM_SYSTEM;
1255
1256     if (error >= NERR_BASE && error <= MAX_NERR) {
1257         module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE);
1258
1259         if (module != NULL) {
1260             flags |= FORMAT_MESSAGE_FROM_HMODULE;
1261         }
1262     }
1263
1264     FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL);
1265
1266     if (msg != NULL) {
1267         nchars = wcslen(msg);
1268
1269         if (nchars > 2 && msg[nchars-1] == '\n' && msg[nchars-2] == '\r') {
1270             msg[nchars-2] = '\0';
1271         }
1272
1273         retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL);
1274
1275         LocalFree(msg);
1276     }
1277
1278     if (module != NULL) {
1279         FreeLibrary(module);
1280     }
1281
1282     return retval;
1283 }
1284
1285 void qmp_guest_set_user_password(const char *username,
1286                                  const char *password,
1287                                  bool crypted,
1288                                  Error **errp)
1289 {
1290     NET_API_STATUS nas;
1291     char *rawpasswddata = NULL;
1292     size_t rawpasswdlen;
1293     wchar_t *user, *wpass;
1294     USER_INFO_1003 pi1003 = { 0, };
1295
1296     if (crypted) {
1297         error_setg(errp, QERR_UNSUPPORTED);
1298         return;
1299     }
1300
1301     rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp);
1302     if (!rawpasswddata) {
1303         return;
1304     }
1305     rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1);
1306     rawpasswddata[rawpasswdlen] = '\0';
1307
1308     user = g_utf8_to_utf16(username, -1, NULL, NULL, NULL);
1309     wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, NULL);
1310
1311     pi1003.usri1003_password = wpass;
1312     nas = NetUserSetInfo(NULL, user,
1313                          1003, (LPBYTE)&pi1003,
1314                          NULL);
1315
1316     if (nas != NERR_Success) {
1317         gchar *msg = get_net_error_message(nas);
1318         error_setg(errp, "failed to set password: %s", msg);
1319         g_free(msg);
1320     }
1321
1322     g_free(user);
1323     g_free(wpass);
1324     g_free(rawpasswddata);
1325 }
1326
1327 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp)
1328 {
1329     error_setg(errp, QERR_UNSUPPORTED);
1330     return NULL;
1331 }
1332
1333 GuestMemoryBlockResponseList *
1334 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp)
1335 {
1336     error_setg(errp, QERR_UNSUPPORTED);
1337     return NULL;
1338 }
1339
1340 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp)
1341 {
1342     error_setg(errp, QERR_UNSUPPORTED);
1343     return NULL;
1344 }
1345
1346 /* add unsupported commands to the blacklist */
1347 GList *ga_command_blacklist_init(GList *blacklist)
1348 {
1349     const char *list_unsupported[] = {
1350         "guest-suspend-hybrid",
1351         "guest-get-vcpus", "guest-set-vcpus",
1352         "guest-get-memory-blocks", "guest-set-memory-blocks",
1353         "guest-get-memory-block-size",
1354         "guest-fsfreeze-freeze-list",
1355         "guest-fstrim", NULL};
1356     char **p = (char **)list_unsupported;
1357
1358     while (*p) {
1359         blacklist = g_list_append(blacklist, g_strdup(*p++));
1360     }
1361
1362     if (!vss_init(true)) {
1363         g_debug("vss_init failed, vss commands are going to be disabled");
1364         const char *list[] = {
1365             "guest-get-fsinfo", "guest-fsfreeze-status",
1366             "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL};
1367         p = (char **)list;
1368
1369         while (*p) {
1370             blacklist = g_list_append(blacklist, g_strdup(*p++));
1371         }
1372     }
1373
1374     return blacklist;
1375 }
1376
1377 /* register init/cleanup routines for stateful command groups */
1378 void ga_command_state_init(GAState *s, GACommandState *cs)
1379 {
1380     if (!vss_initialized()) {
1381         ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
1382     }
1383 }