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 "qemu/osdep.h" 15 #include <glib.h> 16 #include <wtypes.h> 17 #include <powrprof.h> 18 #include <winsock2.h> 19 #include <ws2tcpip.h> 20 #include <iptypes.h> 21 #include <iphlpapi.h> 22 #ifdef CONFIG_QGA_NTDDSCSI 23 #include <winioctl.h> 24 #include <ntddscsi.h> 25 #include <setupapi.h> 26 #include <initguid.h> 27 #endif 28 #include <lm.h> 29 30 #include "qga/guest-agent-core.h" 31 #include "qga/vss-win32.h" 32 #include "qga-qmp-commands.h" 33 #include "qapi/qmp/qerror.h" 34 #include "qemu/queue.h" 35 #include "qemu/host-utils.h" 36 #include "qemu/base64.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 = qbase64_decode(buf_b64, -1, &buf_len, errp); 361 if (!buf) { 362 return NULL; 363 } 364 365 if (!has_count) { 366 count = buf_len; 367 } else if (count < 0 || count > buf_len) { 368 error_setg(errp, "value '%" PRId64 369 "' is invalid for argument count", count); 370 goto done; 371 } 372 373 is_ok = WriteFile(fh, buf, count, &write_count, NULL); 374 if (!is_ok) { 375 error_setg_win32(errp, GetLastError(), "failed to write to file"); 376 slog("guest-file-write-failed, handle: %" PRId64, handle); 377 } else { 378 write_data = g_new0(GuestFileWrite, 1); 379 write_data->count = (size_t) write_count; 380 } 381 382 done: 383 g_free(buf); 384 return write_data; 385 } 386 387 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset, 388 GuestFileWhence *whence_code, 389 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 Error *err = NULL; 399 400 gfh = guest_file_handle_find(handle, errp); 401 if (!gfh) { 402 return NULL; 403 } 404 405 /* We stupidly exposed 'whence':'int' in our qapi */ 406 whence = ga_parse_whence(whence_code, &err); 407 if (err) { 408 error_propagate(errp, err); 409 return NULL; 410 } 411 412 fh = gfh->fh; 413 res = SetFilePointerEx(fh, off_pos, &new_pos, whence); 414 if (!res) { 415 error_setg_win32(errp, GetLastError(), "failed to seek file"); 416 return NULL; 417 } 418 seek_data = g_new0(GuestFileSeek, 1); 419 seek_data->position = new_pos.QuadPart; 420 return seek_data; 421 } 422 423 void qmp_guest_file_flush(int64_t handle, Error **errp) 424 { 425 HANDLE fh; 426 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 427 if (!gfh) { 428 return; 429 } 430 431 fh = gfh->fh; 432 if (!FlushFileBuffers(fh)) { 433 error_setg_win32(errp, GetLastError(), "failed to flush file"); 434 } 435 } 436 437 #ifdef CONFIG_QGA_NTDDSCSI 438 439 static STORAGE_BUS_TYPE win2qemu[] = { 440 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN, 441 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI, 442 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE, 443 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE, 444 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394, 445 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA, 446 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA, 447 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB, 448 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID, 449 #if (_WIN32_WINNT >= 0x0600) 450 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI, 451 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS, 452 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA, 453 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD, 454 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC, 455 #endif 456 #if (_WIN32_WINNT >= 0x0601) 457 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL, 458 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL, 459 #endif 460 }; 461 462 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus) 463 { 464 if (bus > ARRAY_SIZE(win2qemu) || (int)bus < 0) { 465 return GUEST_DISK_BUS_TYPE_UNKNOWN; 466 } 467 return win2qemu[(int)bus]; 468 } 469 470 DEFINE_GUID(GUID_DEVINTERFACE_VOLUME, 471 0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2, 472 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); 473 474 static GuestPCIAddress *get_pci_info(char *guid, Error **errp) 475 { 476 HDEVINFO dev_info; 477 SP_DEVINFO_DATA dev_info_data; 478 DWORD size = 0; 479 int i; 480 char dev_name[MAX_PATH]; 481 char *buffer = NULL; 482 GuestPCIAddress *pci = NULL; 483 char *name = g_strdup(&guid[4]); 484 485 if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) { 486 error_setg_win32(errp, GetLastError(), "failed to get dos device name"); 487 goto out; 488 } 489 490 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_VOLUME, 0, 0, 491 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); 492 if (dev_info == INVALID_HANDLE_VALUE) { 493 error_setg_win32(errp, GetLastError(), "failed to get devices tree"); 494 goto out; 495 } 496 497 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); 498 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) { 499 DWORD addr, bus, slot, func, dev, data, size2; 500 while (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 501 SPDRP_PHYSICAL_DEVICE_OBJECT_NAME, 502 &data, (PBYTE)buffer, size, 503 &size2)) { 504 size = MAX(size, size2); 505 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { 506 g_free(buffer); 507 /* Double the size to avoid problems on 508 * W2k MBCS systems per KB 888609. 509 * https://support.microsoft.com/en-us/kb/259695 */ 510 buffer = g_malloc(size * 2); 511 } else { 512 error_setg_win32(errp, GetLastError(), 513 "failed to get device name"); 514 goto out; 515 } 516 } 517 518 if (g_strcmp0(buffer, dev_name)) { 519 continue; 520 } 521 522 /* There is no need to allocate buffer in the next functions. The size 523 * is known and ULONG according to 524 * https://support.microsoft.com/en-us/kb/253232 525 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx 526 */ 527 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 528 SPDRP_BUSNUMBER, &data, (PBYTE)&bus, size, NULL)) { 529 break; 530 } 531 532 /* The function retrieves the device's address. This value will be 533 * transformed into device function and number */ 534 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 535 SPDRP_ADDRESS, &data, (PBYTE)&addr, size, NULL)) { 536 break; 537 } 538 539 /* This call returns UINumber of DEVICE_CAPABILITIES structure. 540 * This number is typically a user-perceived slot number. */ 541 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 542 SPDRP_UI_NUMBER, &data, (PBYTE)&slot, size, NULL)) { 543 break; 544 } 545 546 /* SetupApi gives us the same information as driver with 547 * IoGetDeviceProperty. According to Microsoft 548 * https://support.microsoft.com/en-us/kb/253232 549 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF); 550 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF); 551 * SPDRP_ADDRESS is propertyAddress, so we do the same.*/ 552 553 func = addr & 0x0000FFFF; 554 dev = (addr >> 16) & 0x0000FFFF; 555 pci = g_malloc0(sizeof(*pci)); 556 pci->domain = dev; 557 pci->slot = slot; 558 pci->function = func; 559 pci->bus = bus; 560 break; 561 } 562 out: 563 g_free(buffer); 564 g_free(name); 565 return pci; 566 } 567 568 static int get_disk_bus_type(HANDLE vol_h, Error **errp) 569 { 570 STORAGE_PROPERTY_QUERY query; 571 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf; 572 DWORD received; 573 574 dev_desc = &buf; 575 dev_desc->Size = sizeof(buf); 576 query.PropertyId = StorageDeviceProperty; 577 query.QueryType = PropertyStandardQuery; 578 579 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query, 580 sizeof(STORAGE_PROPERTY_QUERY), dev_desc, 581 dev_desc->Size, &received, NULL)) { 582 error_setg_win32(errp, GetLastError(), "failed to get bus type"); 583 return -1; 584 } 585 586 return dev_desc->BusType; 587 } 588 589 /* VSS provider works with volumes, thus there is no difference if 590 * the volume consist of spanned disks. Info about the first disk in the 591 * volume is returned for the spanned disk group (LVM) */ 592 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 593 { 594 GuestDiskAddressList *list = NULL; 595 GuestDiskAddress *disk; 596 SCSI_ADDRESS addr, *scsi_ad; 597 DWORD len; 598 int bus; 599 HANDLE vol_h; 600 601 scsi_ad = &addr; 602 char *name = g_strndup(guid, strlen(guid)-1); 603 604 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 605 0, NULL); 606 if (vol_h == INVALID_HANDLE_VALUE) { 607 error_setg_win32(errp, GetLastError(), "failed to open volume"); 608 goto out_free; 609 } 610 611 bus = get_disk_bus_type(vol_h, errp); 612 if (bus < 0) { 613 goto out_close; 614 } 615 616 disk = g_malloc0(sizeof(*disk)); 617 disk->bus_type = find_bus_type(bus); 618 if (bus == BusTypeScsi || bus == BusTypeAta || bus == BusTypeRAID 619 #if (_WIN32_WINNT >= 0x0600) 620 /* This bus type is not supported before Windows Server 2003 SP1 */ 621 || bus == BusTypeSas 622 #endif 623 ) { 624 /* We are able to use the same ioctls for different bus types 625 * according to Microsoft docs 626 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */ 627 if (DeviceIoControl(vol_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad, 628 sizeof(SCSI_ADDRESS), &len, NULL)) { 629 disk->unit = addr.Lun; 630 disk->target = addr.TargetId; 631 disk->bus = addr.PathId; 632 disk->pci_controller = get_pci_info(name, errp); 633 } 634 /* We do not set error in this case, because we still have enough 635 * information about volume. */ 636 } else { 637 disk->pci_controller = NULL; 638 } 639 640 list = g_malloc0(sizeof(*list)); 641 list->value = disk; 642 list->next = NULL; 643 out_close: 644 CloseHandle(vol_h); 645 out_free: 646 g_free(name); 647 return list; 648 } 649 650 #else 651 652 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 653 { 654 return NULL; 655 } 656 657 #endif /* CONFIG_QGA_NTDDSCSI */ 658 659 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp) 660 { 661 DWORD info_size; 662 char mnt, *mnt_point; 663 char fs_name[32]; 664 char vol_info[MAX_PATH+1]; 665 size_t len; 666 GuestFilesystemInfo *fs = NULL; 667 668 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size); 669 if (GetLastError() != ERROR_MORE_DATA) { 670 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 671 return NULL; 672 } 673 674 mnt_point = g_malloc(info_size + 1); 675 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size, 676 &info_size)) { 677 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 678 goto free; 679 } 680 681 len = strlen(mnt_point); 682 mnt_point[len] = '\\'; 683 mnt_point[len+1] = 0; 684 if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL, 685 NULL, (LPSTR)&fs_name, sizeof(fs_name))) { 686 if (GetLastError() != ERROR_NOT_READY) { 687 error_setg_win32(errp, GetLastError(), "failed to get volume info"); 688 } 689 goto free; 690 } 691 692 fs_name[sizeof(fs_name) - 1] = 0; 693 fs = g_malloc(sizeof(*fs)); 694 fs->name = g_strdup(guid); 695 if (len == 0) { 696 fs->mountpoint = g_strdup("System Reserved"); 697 } else { 698 fs->mountpoint = g_strndup(mnt_point, len); 699 } 700 fs->type = g_strdup(fs_name); 701 fs->disk = build_guest_disk_info(guid, errp); 702 free: 703 g_free(mnt_point); 704 return fs; 705 } 706 707 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp) 708 { 709 HANDLE vol_h; 710 GuestFilesystemInfoList *new, *ret = NULL; 711 char guid[256]; 712 713 vol_h = FindFirstVolume(guid, sizeof(guid)); 714 if (vol_h == INVALID_HANDLE_VALUE) { 715 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 716 return NULL; 717 } 718 719 do { 720 GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp); 721 if (info == NULL) { 722 continue; 723 } 724 new = g_malloc(sizeof(*ret)); 725 new->value = info; 726 new->next = ret; 727 ret = new; 728 } while (FindNextVolume(vol_h, guid, sizeof(guid))); 729 730 if (GetLastError() != ERROR_NO_MORE_FILES) { 731 error_setg_win32(errp, GetLastError(), "failed to find next volume"); 732 } 733 734 FindVolumeClose(vol_h); 735 return ret; 736 } 737 738 /* 739 * Return status of freeze/thaw 740 */ 741 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp) 742 { 743 if (!vss_initialized()) { 744 error_setg(errp, QERR_UNSUPPORTED); 745 return 0; 746 } 747 748 if (ga_is_frozen(ga_state)) { 749 return GUEST_FSFREEZE_STATUS_FROZEN; 750 } 751 752 return GUEST_FSFREEZE_STATUS_THAWED; 753 } 754 755 /* 756 * Freeze local file systems using Volume Shadow-copy Service. 757 * The frozen state is limited for up to 10 seconds by VSS. 758 */ 759 int64_t qmp_guest_fsfreeze_freeze(Error **errp) 760 { 761 int i; 762 Error *local_err = NULL; 763 764 if (!vss_initialized()) { 765 error_setg(errp, QERR_UNSUPPORTED); 766 return 0; 767 } 768 769 slog("guest-fsfreeze called"); 770 771 /* cannot risk guest agent blocking itself on a write in this state */ 772 ga_set_frozen(ga_state); 773 774 qga_vss_fsfreeze(&i, &local_err, true); 775 if (local_err) { 776 error_propagate(errp, local_err); 777 goto error; 778 } 779 780 return i; 781 782 error: 783 local_err = NULL; 784 qmp_guest_fsfreeze_thaw(&local_err); 785 if (local_err) { 786 g_debug("cleanup thaw: %s", error_get_pretty(local_err)); 787 error_free(local_err); 788 } 789 return 0; 790 } 791 792 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, 793 strList *mountpoints, 794 Error **errp) 795 { 796 error_setg(errp, QERR_UNSUPPORTED); 797 798 return 0; 799 } 800 801 /* 802 * Thaw local file systems using Volume Shadow-copy Service. 803 */ 804 int64_t qmp_guest_fsfreeze_thaw(Error **errp) 805 { 806 int i; 807 808 if (!vss_initialized()) { 809 error_setg(errp, QERR_UNSUPPORTED); 810 return 0; 811 } 812 813 qga_vss_fsfreeze(&i, errp, false); 814 815 ga_unset_frozen(ga_state); 816 return i; 817 } 818 819 static void guest_fsfreeze_cleanup(void) 820 { 821 Error *err = NULL; 822 823 if (!vss_initialized()) { 824 return; 825 } 826 827 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) { 828 qmp_guest_fsfreeze_thaw(&err); 829 if (err) { 830 slog("failed to clean up frozen filesystems: %s", 831 error_get_pretty(err)); 832 error_free(err); 833 } 834 } 835 836 vss_deinit(true); 837 } 838 839 /* 840 * Walk list of mounted file systems in the guest, and discard unused 841 * areas. 842 */ 843 GuestFilesystemTrimResponse * 844 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) 845 { 846 error_setg(errp, QERR_UNSUPPORTED); 847 return NULL; 848 } 849 850 typedef enum { 851 GUEST_SUSPEND_MODE_DISK, 852 GUEST_SUSPEND_MODE_RAM 853 } GuestSuspendMode; 854 855 static void check_suspend_mode(GuestSuspendMode mode, Error **errp) 856 { 857 SYSTEM_POWER_CAPABILITIES sys_pwr_caps; 858 Error *local_err = NULL; 859 860 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps)); 861 if (!GetPwrCapabilities(&sys_pwr_caps)) { 862 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 863 "failed to determine guest suspend capabilities"); 864 goto out; 865 } 866 867 switch (mode) { 868 case GUEST_SUSPEND_MODE_DISK: 869 if (!sys_pwr_caps.SystemS4) { 870 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 871 "suspend-to-disk not supported by OS"); 872 } 873 break; 874 case GUEST_SUSPEND_MODE_RAM: 875 if (!sys_pwr_caps.SystemS3) { 876 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 877 "suspend-to-ram not supported by OS"); 878 } 879 break; 880 default: 881 error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode", 882 "GuestSuspendMode"); 883 } 884 885 out: 886 if (local_err) { 887 error_propagate(errp, local_err); 888 } 889 } 890 891 static DWORD WINAPI do_suspend(LPVOID opaque) 892 { 893 GuestSuspendMode *mode = opaque; 894 DWORD ret = 0; 895 896 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) { 897 slog("failed to suspend guest, %lu", GetLastError()); 898 ret = -1; 899 } 900 g_free(mode); 901 return ret; 902 } 903 904 void qmp_guest_suspend_disk(Error **errp) 905 { 906 Error *local_err = NULL; 907 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 908 909 *mode = GUEST_SUSPEND_MODE_DISK; 910 check_suspend_mode(*mode, &local_err); 911 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 912 execute_async(do_suspend, mode, &local_err); 913 914 if (local_err) { 915 error_propagate(errp, local_err); 916 g_free(mode); 917 } 918 } 919 920 void qmp_guest_suspend_ram(Error **errp) 921 { 922 Error *local_err = NULL; 923 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 924 925 *mode = GUEST_SUSPEND_MODE_RAM; 926 check_suspend_mode(*mode, &local_err); 927 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 928 execute_async(do_suspend, mode, &local_err); 929 930 if (local_err) { 931 error_propagate(errp, local_err); 932 g_free(mode); 933 } 934 } 935 936 void qmp_guest_suspend_hybrid(Error **errp) 937 { 938 error_setg(errp, QERR_UNSUPPORTED); 939 } 940 941 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp) 942 { 943 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL; 944 ULONG adptr_addrs_len = 0; 945 DWORD ret; 946 947 /* Call the first time to get the adptr_addrs_len. */ 948 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 949 NULL, adptr_addrs, &adptr_addrs_len); 950 951 adptr_addrs = g_malloc(adptr_addrs_len); 952 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 953 NULL, adptr_addrs, &adptr_addrs_len); 954 if (ret != ERROR_SUCCESS) { 955 error_setg_win32(errp, ret, "failed to get adapters addresses"); 956 g_free(adptr_addrs); 957 adptr_addrs = NULL; 958 } 959 return adptr_addrs; 960 } 961 962 static char *guest_wctomb_dup(WCHAR *wstr) 963 { 964 char *str; 965 size_t i; 966 967 i = wcslen(wstr) + 1; 968 str = g_malloc(i); 969 WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, 970 wstr, -1, str, i, NULL, NULL); 971 return str; 972 } 973 974 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr, 975 Error **errp) 976 { 977 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN]; 978 DWORD len; 979 int ret; 980 981 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET || 982 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 983 len = sizeof(addr_str); 984 ret = WSAAddressToString(ip_addr->Address.lpSockaddr, 985 ip_addr->Address.iSockaddrLength, 986 NULL, 987 addr_str, 988 &len); 989 if (ret != 0) { 990 error_setg_win32(errp, WSAGetLastError(), 991 "failed address presentation form conversion"); 992 return NULL; 993 } 994 return g_strdup(addr_str); 995 } 996 return NULL; 997 } 998 999 #if (_WIN32_WINNT >= 0x0600) 1000 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1001 { 1002 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength 1003 * field to obtain the prefix. 1004 */ 1005 return ip_addr->OnLinkPrefixLength; 1006 } 1007 #else 1008 /* When using the Windows XP and 2003 build environment, do the best we can to 1009 * figure out the prefix. 1010 */ 1011 static IP_ADAPTER_INFO *guest_get_adapters_info(void) 1012 { 1013 IP_ADAPTER_INFO *adptr_info = NULL; 1014 ULONG adptr_info_len = 0; 1015 DWORD ret; 1016 1017 /* Call the first time to get the adptr_info_len. */ 1018 GetAdaptersInfo(adptr_info, &adptr_info_len); 1019 1020 adptr_info = g_malloc(adptr_info_len); 1021 ret = GetAdaptersInfo(adptr_info, &adptr_info_len); 1022 if (ret != ERROR_SUCCESS) { 1023 g_free(adptr_info); 1024 adptr_info = NULL; 1025 } 1026 return adptr_info; 1027 } 1028 1029 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1030 { 1031 int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */ 1032 IP_ADAPTER_INFO *adptr_info, *info; 1033 IP_ADDR_STRING *ip; 1034 struct in_addr *p; 1035 1036 if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) { 1037 return prefix; 1038 } 1039 adptr_info = guest_get_adapters_info(); 1040 if (adptr_info == NULL) { 1041 return prefix; 1042 } 1043 1044 /* Match up the passed in ip_addr with one found in adaptr_info. 1045 * The matching one in adptr_info will have the netmask. 1046 */ 1047 p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr; 1048 for (info = adptr_info; info; info = info->Next) { 1049 for (ip = &info->IpAddressList; ip; ip = ip->Next) { 1050 if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) { 1051 prefix = ctpop32(inet_addr(ip->IpMask.String)); 1052 goto out; 1053 } 1054 } 1055 } 1056 out: 1057 g_free(adptr_info); 1058 return prefix; 1059 } 1060 #endif 1061 1062 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp) 1063 { 1064 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr; 1065 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL; 1066 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL; 1067 GuestIpAddressList *head_addr, *cur_addr; 1068 GuestNetworkInterfaceList *info; 1069 GuestIpAddressList *address_item = NULL; 1070 unsigned char *mac_addr; 1071 char *addr_str; 1072 WORD wsa_version; 1073 WSADATA wsa_data; 1074 int ret; 1075 1076 adptr_addrs = guest_get_adapters_addresses(errp); 1077 if (adptr_addrs == NULL) { 1078 return NULL; 1079 } 1080 1081 /* Make WSA APIs available. */ 1082 wsa_version = MAKEWORD(2, 2); 1083 ret = WSAStartup(wsa_version, &wsa_data); 1084 if (ret != 0) { 1085 error_setg_win32(errp, ret, "failed socket startup"); 1086 goto out; 1087 } 1088 1089 for (addr = adptr_addrs; addr; addr = addr->Next) { 1090 info = g_malloc0(sizeof(*info)); 1091 1092 if (cur_item == NULL) { 1093 head = cur_item = info; 1094 } else { 1095 cur_item->next = info; 1096 cur_item = info; 1097 } 1098 1099 info->value = g_malloc0(sizeof(*info->value)); 1100 info->value->name = guest_wctomb_dup(addr->FriendlyName); 1101 1102 if (addr->PhysicalAddressLength != 0) { 1103 mac_addr = addr->PhysicalAddress; 1104 1105 info->value->hardware_address = 1106 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x", 1107 (int) mac_addr[0], (int) mac_addr[1], 1108 (int) mac_addr[2], (int) mac_addr[3], 1109 (int) mac_addr[4], (int) mac_addr[5]); 1110 1111 info->value->has_hardware_address = true; 1112 } 1113 1114 head_addr = NULL; 1115 cur_addr = NULL; 1116 for (ip_addr = addr->FirstUnicastAddress; 1117 ip_addr; 1118 ip_addr = ip_addr->Next) { 1119 addr_str = guest_addr_to_str(ip_addr, errp); 1120 if (addr_str == NULL) { 1121 continue; 1122 } 1123 1124 address_item = g_malloc0(sizeof(*address_item)); 1125 1126 if (!cur_addr) { 1127 head_addr = cur_addr = address_item; 1128 } else { 1129 cur_addr->next = address_item; 1130 cur_addr = address_item; 1131 } 1132 1133 address_item->value = g_malloc0(sizeof(*address_item->value)); 1134 address_item->value->ip_address = addr_str; 1135 address_item->value->prefix = guest_ip_prefix(ip_addr); 1136 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) { 1137 address_item->value->ip_address_type = 1138 GUEST_IP_ADDRESS_TYPE_IPV4; 1139 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1140 address_item->value->ip_address_type = 1141 GUEST_IP_ADDRESS_TYPE_IPV6; 1142 } 1143 } 1144 if (head_addr) { 1145 info->value->has_ip_addresses = true; 1146 info->value->ip_addresses = head_addr; 1147 } 1148 } 1149 WSACleanup(); 1150 out: 1151 g_free(adptr_addrs); 1152 return head; 1153 } 1154 1155 int64_t qmp_guest_get_time(Error **errp) 1156 { 1157 SYSTEMTIME ts = {0}; 1158 int64_t time_ns; 1159 FILETIME tf; 1160 1161 GetSystemTime(&ts); 1162 if (ts.wYear < 1601 || ts.wYear > 30827) { 1163 error_setg(errp, "Failed to get time"); 1164 return -1; 1165 } 1166 1167 if (!SystemTimeToFileTime(&ts, &tf)) { 1168 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError()); 1169 return -1; 1170 } 1171 1172 time_ns = ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime) 1173 - W32_FT_OFFSET) * 100; 1174 1175 return time_ns; 1176 } 1177 1178 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) 1179 { 1180 Error *local_err = NULL; 1181 SYSTEMTIME ts; 1182 FILETIME tf; 1183 LONGLONG time; 1184 1185 if (!has_time) { 1186 /* Unfortunately, Windows libraries don't provide an easy way to access 1187 * RTC yet: 1188 * 1189 * https://msdn.microsoft.com/en-us/library/aa908981.aspx 1190 */ 1191 error_setg(errp, "Time argument is required on this platform"); 1192 return; 1193 } 1194 1195 /* Validate time passed by user. */ 1196 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { 1197 error_setg(errp, "Time %" PRId64 "is invalid", time_ns); 1198 return; 1199 } 1200 1201 time = time_ns / 100 + W32_FT_OFFSET; 1202 1203 tf.dwLowDateTime = (DWORD) time; 1204 tf.dwHighDateTime = (DWORD) (time >> 32); 1205 1206 if (!FileTimeToSystemTime(&tf, &ts)) { 1207 error_setg(errp, "Failed to convert system time %d", 1208 (int)GetLastError()); 1209 return; 1210 } 1211 1212 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err); 1213 if (local_err) { 1214 error_propagate(errp, local_err); 1215 return; 1216 } 1217 1218 if (!SetSystemTime(&ts)) { 1219 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); 1220 return; 1221 } 1222 } 1223 1224 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp) 1225 { 1226 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr; 1227 DWORD length; 1228 GuestLogicalProcessorList *head, **link; 1229 Error *local_err = NULL; 1230 int64_t current; 1231 1232 ptr = pslpi = NULL; 1233 length = 0; 1234 current = 0; 1235 head = NULL; 1236 link = &head; 1237 1238 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) && 1239 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) && 1240 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) { 1241 ptr = pslpi = g_malloc0(length); 1242 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) { 1243 error_setg(&local_err, "Failed to get processor information: %d", 1244 (int)GetLastError()); 1245 } 1246 } else { 1247 error_setg(&local_err, 1248 "Failed to get processor information buffer length: %d", 1249 (int)GetLastError()); 1250 } 1251 1252 while ((local_err == NULL) && (length > 0)) { 1253 if (pslpi->Relationship == RelationProcessorCore) { 1254 ULONG_PTR cpu_bits = pslpi->ProcessorMask; 1255 1256 while (cpu_bits > 0) { 1257 if (!!(cpu_bits & 1)) { 1258 GuestLogicalProcessor *vcpu; 1259 GuestLogicalProcessorList *entry; 1260 1261 vcpu = g_malloc0(sizeof *vcpu); 1262 vcpu->logical_id = current++; 1263 vcpu->online = true; 1264 vcpu->has_can_offline = false; 1265 1266 entry = g_malloc0(sizeof *entry); 1267 entry->value = vcpu; 1268 1269 *link = entry; 1270 link = &entry->next; 1271 } 1272 cpu_bits >>= 1; 1273 } 1274 } 1275 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); 1276 pslpi++; /* next entry */ 1277 } 1278 1279 g_free(ptr); 1280 1281 if (local_err == NULL) { 1282 if (head != NULL) { 1283 return head; 1284 } 1285 /* there's no guest with zero VCPUs */ 1286 error_setg(&local_err, "Guest reported zero VCPUs"); 1287 } 1288 1289 qapi_free_GuestLogicalProcessorList(head); 1290 error_propagate(errp, local_err); 1291 return NULL; 1292 } 1293 1294 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp) 1295 { 1296 error_setg(errp, QERR_UNSUPPORTED); 1297 return -1; 1298 } 1299 1300 static gchar * 1301 get_net_error_message(gint error) 1302 { 1303 HMODULE module = NULL; 1304 gchar *retval = NULL; 1305 wchar_t *msg = NULL; 1306 int flags; 1307 size_t nchars; 1308 1309 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER | 1310 FORMAT_MESSAGE_IGNORE_INSERTS | 1311 FORMAT_MESSAGE_FROM_SYSTEM; 1312 1313 if (error >= NERR_BASE && error <= MAX_NERR) { 1314 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE); 1315 1316 if (module != NULL) { 1317 flags |= FORMAT_MESSAGE_FROM_HMODULE; 1318 } 1319 } 1320 1321 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL); 1322 1323 if (msg != NULL) { 1324 nchars = wcslen(msg); 1325 1326 if (nchars >= 2 && 1327 msg[nchars - 1] == L'\n' && 1328 msg[nchars - 2] == L'\r') { 1329 msg[nchars - 2] = L'\0'; 1330 } 1331 1332 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL); 1333 1334 LocalFree(msg); 1335 } 1336 1337 if (module != NULL) { 1338 FreeLibrary(module); 1339 } 1340 1341 return retval; 1342 } 1343 1344 void qmp_guest_set_user_password(const char *username, 1345 const char *password, 1346 bool crypted, 1347 Error **errp) 1348 { 1349 NET_API_STATUS nas; 1350 char *rawpasswddata = NULL; 1351 size_t rawpasswdlen; 1352 wchar_t *user = NULL, *wpass = NULL; 1353 USER_INFO_1003 pi1003 = { 0, }; 1354 GError *gerr = NULL; 1355 1356 if (crypted) { 1357 error_setg(errp, QERR_UNSUPPORTED); 1358 return; 1359 } 1360 1361 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp); 1362 if (!rawpasswddata) { 1363 return; 1364 } 1365 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1); 1366 rawpasswddata[rawpasswdlen] = '\0'; 1367 1368 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr); 1369 if (!user) { 1370 goto done; 1371 } 1372 1373 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr); 1374 if (!wpass) { 1375 goto done; 1376 } 1377 1378 pi1003.usri1003_password = wpass; 1379 nas = NetUserSetInfo(NULL, user, 1380 1003, (LPBYTE)&pi1003, 1381 NULL); 1382 1383 if (nas != NERR_Success) { 1384 gchar *msg = get_net_error_message(nas); 1385 error_setg(errp, "failed to set password: %s", msg); 1386 g_free(msg); 1387 } 1388 1389 done: 1390 if (gerr) { 1391 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message); 1392 g_error_free(gerr); 1393 } 1394 g_free(user); 1395 g_free(wpass); 1396 g_free(rawpasswddata); 1397 } 1398 1399 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp) 1400 { 1401 error_setg(errp, QERR_UNSUPPORTED); 1402 return NULL; 1403 } 1404 1405 GuestMemoryBlockResponseList * 1406 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp) 1407 { 1408 error_setg(errp, QERR_UNSUPPORTED); 1409 return NULL; 1410 } 1411 1412 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp) 1413 { 1414 error_setg(errp, QERR_UNSUPPORTED); 1415 return NULL; 1416 } 1417 1418 /* add unsupported commands to the blacklist */ 1419 GList *ga_command_blacklist_init(GList *blacklist) 1420 { 1421 const char *list_unsupported[] = { 1422 "guest-suspend-hybrid", 1423 "guest-set-vcpus", 1424 "guest-get-memory-blocks", "guest-set-memory-blocks", 1425 "guest-get-memory-block-size", 1426 "guest-fsfreeze-freeze-list", 1427 "guest-fstrim", NULL}; 1428 char **p = (char **)list_unsupported; 1429 1430 while (*p) { 1431 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1432 } 1433 1434 if (!vss_init(true)) { 1435 g_debug("vss_init failed, vss commands are going to be disabled"); 1436 const char *list[] = { 1437 "guest-get-fsinfo", "guest-fsfreeze-status", 1438 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL}; 1439 p = (char **)list; 1440 1441 while (*p) { 1442 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1443 } 1444 } 1445 1446 return blacklist; 1447 } 1448 1449 /* register init/cleanup routines for stateful command groups */ 1450 void ga_command_state_init(GAState *s, GACommandState *cs) 1451 { 1452 if (!vss_initialized()) { 1453 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup); 1454 } 1455 } 1456