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 <wtypes.h> 16 #include <powrprof.h> 17 #include <winsock2.h> 18 #include <ws2tcpip.h> 19 #include <iptypes.h> 20 #include <iphlpapi.h> 21 #ifdef CONFIG_QGA_NTDDSCSI 22 #include <winioctl.h> 23 #include <ntddscsi.h> 24 #include <setupapi.h> 25 #include <initguid.h> 26 #endif 27 #include <lm.h> 28 29 #include "qga/guest-agent-core.h" 30 #include "qga/vss-win32.h" 31 #include "qga-qmp-commands.h" 32 #include "qapi/qmp/qerror.h" 33 #include "qemu/queue.h" 34 #include "qemu/host-utils.h" 35 #include "qemu/base64.h" 36 37 #ifndef SHTDN_REASON_FLAG_PLANNED 38 #define SHTDN_REASON_FLAG_PLANNED 0x80000000 39 #endif 40 41 /* multiple of 100 nanoseconds elapsed between windows baseline 42 * (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */ 43 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \ 44 (365 * (1970 - 1601) + \ 45 (1970 - 1601) / 4 - 3)) 46 47 #define INVALID_SET_FILE_POINTER ((DWORD)-1) 48 49 typedef struct GuestFileHandle { 50 int64_t id; 51 HANDLE fh; 52 QTAILQ_ENTRY(GuestFileHandle) next; 53 } GuestFileHandle; 54 55 static struct { 56 QTAILQ_HEAD(, GuestFileHandle) filehandles; 57 } guest_file_state = { 58 .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles), 59 }; 60 61 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA) 62 63 typedef struct OpenFlags { 64 const char *forms; 65 DWORD desired_access; 66 DWORD creation_disposition; 67 } OpenFlags; 68 static OpenFlags guest_file_open_modes[] = { 69 {"r", GENERIC_READ, OPEN_EXISTING}, 70 {"rb", GENERIC_READ, OPEN_EXISTING}, 71 {"w", GENERIC_WRITE, CREATE_ALWAYS}, 72 {"wb", GENERIC_WRITE, CREATE_ALWAYS}, 73 {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS }, 74 {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 75 {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 76 {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 77 {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 78 {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 79 {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 80 {"a+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }, 81 {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }, 82 {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS } 83 }; 84 85 static OpenFlags *find_open_flag(const char *mode_str) 86 { 87 int mode; 88 Error **errp = NULL; 89 90 for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) { 91 OpenFlags *flags = guest_file_open_modes + mode; 92 93 if (strcmp(flags->forms, mode_str) == 0) { 94 return flags; 95 } 96 } 97 98 error_setg(errp, "invalid file open mode '%s'", mode_str); 99 return NULL; 100 } 101 102 static int64_t guest_file_handle_add(HANDLE fh, Error **errp) 103 { 104 GuestFileHandle *gfh; 105 int64_t handle; 106 107 handle = ga_get_fd_handle(ga_state, errp); 108 if (handle < 0) { 109 return -1; 110 } 111 gfh = g_new0(GuestFileHandle, 1); 112 gfh->id = handle; 113 gfh->fh = fh; 114 QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next); 115 116 return handle; 117 } 118 119 static GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp) 120 { 121 GuestFileHandle *gfh; 122 QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) { 123 if (gfh->id == id) { 124 return gfh; 125 } 126 } 127 error_setg(errp, "handle '%" PRId64 "' has not been found", id); 128 return NULL; 129 } 130 131 static void handle_set_nonblocking(HANDLE fh) 132 { 133 DWORD file_type, pipe_state; 134 file_type = GetFileType(fh); 135 if (file_type != FILE_TYPE_PIPE) { 136 return; 137 } 138 /* If file_type == FILE_TYPE_PIPE, according to MSDN 139 * the specified file is socket or named pipe */ 140 if (!GetNamedPipeHandleState(fh, &pipe_state, NULL, 141 NULL, NULL, NULL, 0)) { 142 return; 143 } 144 /* The fd is named pipe fd */ 145 if (pipe_state & PIPE_NOWAIT) { 146 return; 147 } 148 149 pipe_state |= PIPE_NOWAIT; 150 SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL); 151 } 152 153 int64_t qmp_guest_file_open(const char *path, bool has_mode, 154 const char *mode, Error **errp) 155 { 156 int64_t fd; 157 HANDLE fh; 158 HANDLE templ_file = NULL; 159 DWORD share_mode = FILE_SHARE_READ; 160 DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL; 161 LPSECURITY_ATTRIBUTES sa_attr = NULL; 162 OpenFlags *guest_flags; 163 164 if (!has_mode) { 165 mode = "r"; 166 } 167 slog("guest-file-open called, filepath: %s, mode: %s", path, mode); 168 guest_flags = find_open_flag(mode); 169 if (guest_flags == NULL) { 170 error_setg(errp, "invalid file open mode"); 171 return -1; 172 } 173 174 fh = CreateFile(path, guest_flags->desired_access, share_mode, sa_attr, 175 guest_flags->creation_disposition, flags_and_attr, 176 templ_file); 177 if (fh == INVALID_HANDLE_VALUE) { 178 error_setg_win32(errp, GetLastError(), "failed to open file '%s'", 179 path); 180 return -1; 181 } 182 183 /* set fd non-blocking to avoid common use cases (like reading from a 184 * named pipe) from hanging the agent 185 */ 186 handle_set_nonblocking(fh); 187 188 fd = guest_file_handle_add(fh, errp); 189 if (fd < 0) { 190 CloseHandle(fh); 191 error_setg(errp, "failed to add handle to qmp handle table"); 192 return -1; 193 } 194 195 slog("guest-file-open, handle: % " PRId64, fd); 196 return fd; 197 } 198 199 void qmp_guest_file_close(int64_t handle, Error **errp) 200 { 201 bool ret; 202 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 203 slog("guest-file-close called, handle: %" PRId64, handle); 204 if (gfh == NULL) { 205 return; 206 } 207 ret = CloseHandle(gfh->fh); 208 if (!ret) { 209 error_setg_win32(errp, GetLastError(), "failed close handle"); 210 return; 211 } 212 213 QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next); 214 g_free(gfh); 215 } 216 217 static void acquire_privilege(const char *name, Error **errp) 218 { 219 HANDLE token = NULL; 220 TOKEN_PRIVILEGES priv; 221 Error *local_err = NULL; 222 223 if (OpenProcessToken(GetCurrentProcess(), 224 TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token)) 225 { 226 if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) { 227 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 228 "no luid for requested privilege"); 229 goto out; 230 } 231 232 priv.PrivilegeCount = 1; 233 priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 234 235 if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) { 236 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 237 "unable to acquire requested privilege"); 238 goto out; 239 } 240 241 } else { 242 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 243 "failed to open privilege token"); 244 } 245 246 out: 247 if (token) { 248 CloseHandle(token); 249 } 250 if (local_err) { 251 error_propagate(errp, local_err); 252 } 253 } 254 255 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque, 256 Error **errp) 257 { 258 Error *local_err = NULL; 259 260 HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL); 261 if (!thread) { 262 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 263 "failed to dispatch asynchronous command"); 264 error_propagate(errp, local_err); 265 } 266 } 267 268 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) 269 { 270 Error *local_err = NULL; 271 UINT shutdown_flag = EWX_FORCE; 272 273 slog("guest-shutdown called, mode: %s", mode); 274 275 if (!has_mode || strcmp(mode, "powerdown") == 0) { 276 shutdown_flag |= EWX_POWEROFF; 277 } else if (strcmp(mode, "halt") == 0) { 278 shutdown_flag |= EWX_SHUTDOWN; 279 } else if (strcmp(mode, "reboot") == 0) { 280 shutdown_flag |= EWX_REBOOT; 281 } else { 282 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode", 283 "halt|powerdown|reboot"); 284 return; 285 } 286 287 /* Request a shutdown privilege, but try to shut down the system 288 anyway. */ 289 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 290 if (local_err) { 291 error_propagate(errp, local_err); 292 return; 293 } 294 295 if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) { 296 slog("guest-shutdown failed: %lu", GetLastError()); 297 error_setg(errp, QERR_UNDEFINED_ERROR); 298 } 299 } 300 301 GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count, 302 int64_t count, Error **errp) 303 { 304 GuestFileRead *read_data = NULL; 305 guchar *buf; 306 HANDLE fh; 307 bool is_ok; 308 DWORD read_count; 309 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 310 311 if (!gfh) { 312 return NULL; 313 } 314 if (!has_count) { 315 count = QGA_READ_COUNT_DEFAULT; 316 } else if (count < 0) { 317 error_setg(errp, "value '%" PRId64 318 "' is invalid for argument count", count); 319 return NULL; 320 } 321 322 fh = gfh->fh; 323 buf = g_malloc0(count+1); 324 is_ok = ReadFile(fh, buf, count, &read_count, NULL); 325 if (!is_ok) { 326 error_setg_win32(errp, GetLastError(), "failed to read file"); 327 slog("guest-file-read failed, handle %" PRId64, handle); 328 } else { 329 buf[read_count] = 0; 330 read_data = g_new0(GuestFileRead, 1); 331 read_data->count = (size_t)read_count; 332 read_data->eof = read_count == 0; 333 334 if (read_count != 0) { 335 read_data->buf_b64 = g_base64_encode(buf, read_count); 336 } 337 } 338 g_free(buf); 339 340 return read_data; 341 } 342 343 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64, 344 bool has_count, int64_t count, 345 Error **errp) 346 { 347 GuestFileWrite *write_data = NULL; 348 guchar *buf; 349 gsize buf_len; 350 bool is_ok; 351 DWORD write_count; 352 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 353 HANDLE fh; 354 355 if (!gfh) { 356 return NULL; 357 } 358 fh = gfh->fh; 359 buf = qbase64_decode(buf_b64, -1, &buf_len, errp); 360 if (!buf) { 361 return NULL; 362 } 363 364 if (!has_count) { 365 count = buf_len; 366 } else if (count < 0 || count > buf_len) { 367 error_setg(errp, "value '%" PRId64 368 "' is invalid for argument count", count); 369 goto done; 370 } 371 372 is_ok = WriteFile(fh, buf, count, &write_count, NULL); 373 if (!is_ok) { 374 error_setg_win32(errp, GetLastError(), "failed to write to file"); 375 slog("guest-file-write-failed, handle: %" PRId64, handle); 376 } else { 377 write_data = g_new0(GuestFileWrite, 1); 378 write_data->count = (size_t) write_count; 379 } 380 381 done: 382 g_free(buf); 383 return write_data; 384 } 385 386 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset, 387 GuestFileWhence *whence_code, 388 Error **errp) 389 { 390 GuestFileHandle *gfh; 391 GuestFileSeek *seek_data; 392 HANDLE fh; 393 LARGE_INTEGER new_pos, off_pos; 394 off_pos.QuadPart = offset; 395 BOOL res; 396 int whence; 397 Error *err = NULL; 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 whence = ga_parse_whence(whence_code, &err); 406 if (err) { 407 error_propagate(errp, err); 408 return NULL; 409 } 410 411 fh = gfh->fh; 412 res = SetFilePointerEx(fh, off_pos, &new_pos, whence); 413 if (!res) { 414 error_setg_win32(errp, GetLastError(), "failed to seek file"); 415 return NULL; 416 } 417 seek_data = g_new0(GuestFileSeek, 1); 418 seek_data->position = new_pos.QuadPart; 419 return seek_data; 420 } 421 422 void qmp_guest_file_flush(int64_t handle, Error **errp) 423 { 424 HANDLE fh; 425 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 426 if (!gfh) { 427 return; 428 } 429 430 fh = gfh->fh; 431 if (!FlushFileBuffers(fh)) { 432 error_setg_win32(errp, GetLastError(), "failed to flush file"); 433 } 434 } 435 436 #ifdef CONFIG_QGA_NTDDSCSI 437 438 static STORAGE_BUS_TYPE win2qemu[] = { 439 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN, 440 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI, 441 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE, 442 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE, 443 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394, 444 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA, 445 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA, 446 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB, 447 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID, 448 #if (_WIN32_WINNT >= 0x0600) 449 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI, 450 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS, 451 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA, 452 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD, 453 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC, 454 #endif 455 #if (_WIN32_WINNT >= 0x0601) 456 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL, 457 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL, 458 #endif 459 }; 460 461 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus) 462 { 463 if (bus > ARRAY_SIZE(win2qemu) || (int)bus < 0) { 464 return GUEST_DISK_BUS_TYPE_UNKNOWN; 465 } 466 return win2qemu[(int)bus]; 467 } 468 469 DEFINE_GUID(GUID_DEVINTERFACE_VOLUME, 470 0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2, 471 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); 472 473 static GuestPCIAddress *get_pci_info(char *guid, Error **errp) 474 { 475 HDEVINFO dev_info; 476 SP_DEVINFO_DATA dev_info_data; 477 DWORD size = 0; 478 int i; 479 char dev_name[MAX_PATH]; 480 char *buffer = NULL; 481 GuestPCIAddress *pci = NULL; 482 char *name = g_strdup(&guid[4]); 483 484 if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) { 485 error_setg_win32(errp, GetLastError(), "failed to get dos device name"); 486 goto out; 487 } 488 489 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_VOLUME, 0, 0, 490 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); 491 if (dev_info == INVALID_HANDLE_VALUE) { 492 error_setg_win32(errp, GetLastError(), "failed to get devices tree"); 493 goto out; 494 } 495 496 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); 497 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) { 498 DWORD addr, bus, slot, func, dev, data, size2; 499 while (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 500 SPDRP_PHYSICAL_DEVICE_OBJECT_NAME, 501 &data, (PBYTE)buffer, size, 502 &size2)) { 503 size = MAX(size, size2); 504 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { 505 g_free(buffer); 506 /* Double the size to avoid problems on 507 * W2k MBCS systems per KB 888609. 508 * https://support.microsoft.com/en-us/kb/259695 */ 509 buffer = g_malloc(size * 2); 510 } else { 511 error_setg_win32(errp, GetLastError(), 512 "failed to get device name"); 513 goto out; 514 } 515 } 516 517 if (g_strcmp0(buffer, dev_name)) { 518 continue; 519 } 520 521 /* There is no need to allocate buffer in the next functions. The size 522 * is known and ULONG according to 523 * https://support.microsoft.com/en-us/kb/253232 524 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx 525 */ 526 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 527 SPDRP_BUSNUMBER, &data, (PBYTE)&bus, size, NULL)) { 528 break; 529 } 530 531 /* The function retrieves the device's address. This value will be 532 * transformed into device function and number */ 533 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 534 SPDRP_ADDRESS, &data, (PBYTE)&addr, size, NULL)) { 535 break; 536 } 537 538 /* This call returns UINumber of DEVICE_CAPABILITIES structure. 539 * This number is typically a user-perceived slot number. */ 540 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 541 SPDRP_UI_NUMBER, &data, (PBYTE)&slot, size, NULL)) { 542 break; 543 } 544 545 /* SetupApi gives us the same information as driver with 546 * IoGetDeviceProperty. According to Microsoft 547 * https://support.microsoft.com/en-us/kb/253232 548 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF); 549 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF); 550 * SPDRP_ADDRESS is propertyAddress, so we do the same.*/ 551 552 func = addr & 0x0000FFFF; 553 dev = (addr >> 16) & 0x0000FFFF; 554 pci = g_malloc0(sizeof(*pci)); 555 pci->domain = dev; 556 pci->slot = slot; 557 pci->function = func; 558 pci->bus = bus; 559 break; 560 } 561 out: 562 g_free(buffer); 563 g_free(name); 564 return pci; 565 } 566 567 static int get_disk_bus_type(HANDLE vol_h, Error **errp) 568 { 569 STORAGE_PROPERTY_QUERY query; 570 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf; 571 DWORD received; 572 573 dev_desc = &buf; 574 dev_desc->Size = sizeof(buf); 575 query.PropertyId = StorageDeviceProperty; 576 query.QueryType = PropertyStandardQuery; 577 578 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query, 579 sizeof(STORAGE_PROPERTY_QUERY), dev_desc, 580 dev_desc->Size, &received, NULL)) { 581 error_setg_win32(errp, GetLastError(), "failed to get bus type"); 582 return -1; 583 } 584 585 return dev_desc->BusType; 586 } 587 588 /* VSS provider works with volumes, thus there is no difference if 589 * the volume consist of spanned disks. Info about the first disk in the 590 * volume is returned for the spanned disk group (LVM) */ 591 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 592 { 593 GuestDiskAddressList *list = NULL; 594 GuestDiskAddress *disk; 595 SCSI_ADDRESS addr, *scsi_ad; 596 DWORD len; 597 int bus; 598 HANDLE vol_h; 599 600 scsi_ad = &addr; 601 char *name = g_strndup(guid, strlen(guid)-1); 602 603 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 604 0, NULL); 605 if (vol_h == INVALID_HANDLE_VALUE) { 606 error_setg_win32(errp, GetLastError(), "failed to open volume"); 607 goto out_free; 608 } 609 610 bus = get_disk_bus_type(vol_h, errp); 611 if (bus < 0) { 612 goto out_close; 613 } 614 615 disk = g_malloc0(sizeof(*disk)); 616 disk->bus_type = find_bus_type(bus); 617 if (bus == BusTypeScsi || bus == BusTypeAta || bus == BusTypeRAID 618 #if (_WIN32_WINNT >= 0x0600) 619 /* This bus type is not supported before Windows Server 2003 SP1 */ 620 || bus == BusTypeSas 621 #endif 622 ) { 623 /* We are able to use the same ioctls for different bus types 624 * according to Microsoft docs 625 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */ 626 if (DeviceIoControl(vol_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad, 627 sizeof(SCSI_ADDRESS), &len, NULL)) { 628 disk->unit = addr.Lun; 629 disk->target = addr.TargetId; 630 disk->bus = addr.PathId; 631 disk->pci_controller = get_pci_info(name, errp); 632 } 633 /* We do not set error in this case, because we still have enough 634 * information about volume. */ 635 } else { 636 disk->pci_controller = NULL; 637 } 638 639 list = g_malloc0(sizeof(*list)); 640 list->value = disk; 641 list->next = NULL; 642 out_close: 643 CloseHandle(vol_h); 644 out_free: 645 g_free(name); 646 return list; 647 } 648 649 #else 650 651 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 652 { 653 return NULL; 654 } 655 656 #endif /* CONFIG_QGA_NTDDSCSI */ 657 658 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp) 659 { 660 DWORD info_size; 661 char mnt, *mnt_point; 662 char fs_name[32]; 663 char vol_info[MAX_PATH+1]; 664 size_t len; 665 GuestFilesystemInfo *fs = NULL; 666 667 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size); 668 if (GetLastError() != ERROR_MORE_DATA) { 669 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 670 return NULL; 671 } 672 673 mnt_point = g_malloc(info_size + 1); 674 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size, 675 &info_size)) { 676 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 677 goto free; 678 } 679 680 len = strlen(mnt_point); 681 mnt_point[len] = '\\'; 682 mnt_point[len+1] = 0; 683 if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL, 684 NULL, (LPSTR)&fs_name, sizeof(fs_name))) { 685 if (GetLastError() != ERROR_NOT_READY) { 686 error_setg_win32(errp, GetLastError(), "failed to get volume info"); 687 } 688 goto free; 689 } 690 691 fs_name[sizeof(fs_name) - 1] = 0; 692 fs = g_malloc(sizeof(*fs)); 693 fs->name = g_strdup(guid); 694 if (len == 0) { 695 fs->mountpoint = g_strdup("System Reserved"); 696 } else { 697 fs->mountpoint = g_strndup(mnt_point, len); 698 } 699 fs->type = g_strdup(fs_name); 700 fs->disk = build_guest_disk_info(guid, errp); 701 free: 702 g_free(mnt_point); 703 return fs; 704 } 705 706 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp) 707 { 708 HANDLE vol_h; 709 GuestFilesystemInfoList *new, *ret = NULL; 710 char guid[256]; 711 712 vol_h = FindFirstVolume(guid, sizeof(guid)); 713 if (vol_h == INVALID_HANDLE_VALUE) { 714 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 715 return NULL; 716 } 717 718 do { 719 GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp); 720 if (info == NULL) { 721 continue; 722 } 723 new = g_malloc(sizeof(*ret)); 724 new->value = info; 725 new->next = ret; 726 ret = new; 727 } while (FindNextVolume(vol_h, guid, sizeof(guid))); 728 729 if (GetLastError() != ERROR_NO_MORE_FILES) { 730 error_setg_win32(errp, GetLastError(), "failed to find next volume"); 731 } 732 733 FindVolumeClose(vol_h); 734 return ret; 735 } 736 737 /* 738 * Return status of freeze/thaw 739 */ 740 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp) 741 { 742 if (!vss_initialized()) { 743 error_setg(errp, QERR_UNSUPPORTED); 744 return 0; 745 } 746 747 if (ga_is_frozen(ga_state)) { 748 return GUEST_FSFREEZE_STATUS_FROZEN; 749 } 750 751 return GUEST_FSFREEZE_STATUS_THAWED; 752 } 753 754 /* 755 * Freeze local file systems using Volume Shadow-copy Service. 756 * The frozen state is limited for up to 10 seconds by VSS. 757 */ 758 int64_t qmp_guest_fsfreeze_freeze(Error **errp) 759 { 760 int i; 761 Error *local_err = NULL; 762 763 if (!vss_initialized()) { 764 error_setg(errp, QERR_UNSUPPORTED); 765 return 0; 766 } 767 768 slog("guest-fsfreeze called"); 769 770 /* cannot risk guest agent blocking itself on a write in this state */ 771 ga_set_frozen(ga_state); 772 773 qga_vss_fsfreeze(&i, &local_err, true); 774 if (local_err) { 775 error_propagate(errp, local_err); 776 goto error; 777 } 778 779 return i; 780 781 error: 782 local_err = NULL; 783 qmp_guest_fsfreeze_thaw(&local_err); 784 if (local_err) { 785 g_debug("cleanup thaw: %s", error_get_pretty(local_err)); 786 error_free(local_err); 787 } 788 return 0; 789 } 790 791 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, 792 strList *mountpoints, 793 Error **errp) 794 { 795 error_setg(errp, QERR_UNSUPPORTED); 796 797 return 0; 798 } 799 800 /* 801 * Thaw local file systems using Volume Shadow-copy Service. 802 */ 803 int64_t qmp_guest_fsfreeze_thaw(Error **errp) 804 { 805 int i; 806 807 if (!vss_initialized()) { 808 error_setg(errp, QERR_UNSUPPORTED); 809 return 0; 810 } 811 812 qga_vss_fsfreeze(&i, errp, false); 813 814 ga_unset_frozen(ga_state); 815 return i; 816 } 817 818 static void guest_fsfreeze_cleanup(void) 819 { 820 Error *err = NULL; 821 822 if (!vss_initialized()) { 823 return; 824 } 825 826 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) { 827 qmp_guest_fsfreeze_thaw(&err); 828 if (err) { 829 slog("failed to clean up frozen filesystems: %s", 830 error_get_pretty(err)); 831 error_free(err); 832 } 833 } 834 835 vss_deinit(true); 836 } 837 838 /* 839 * Walk list of mounted file systems in the guest, and discard unused 840 * areas. 841 */ 842 GuestFilesystemTrimResponse * 843 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) 844 { 845 error_setg(errp, QERR_UNSUPPORTED); 846 return NULL; 847 } 848 849 typedef enum { 850 GUEST_SUSPEND_MODE_DISK, 851 GUEST_SUSPEND_MODE_RAM 852 } GuestSuspendMode; 853 854 static void check_suspend_mode(GuestSuspendMode mode, Error **errp) 855 { 856 SYSTEM_POWER_CAPABILITIES sys_pwr_caps; 857 Error *local_err = NULL; 858 859 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps)); 860 if (!GetPwrCapabilities(&sys_pwr_caps)) { 861 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 862 "failed to determine guest suspend capabilities"); 863 goto out; 864 } 865 866 switch (mode) { 867 case GUEST_SUSPEND_MODE_DISK: 868 if (!sys_pwr_caps.SystemS4) { 869 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 870 "suspend-to-disk not supported by OS"); 871 } 872 break; 873 case GUEST_SUSPEND_MODE_RAM: 874 if (!sys_pwr_caps.SystemS3) { 875 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 876 "suspend-to-ram not supported by OS"); 877 } 878 break; 879 default: 880 error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode", 881 "GuestSuspendMode"); 882 } 883 884 out: 885 if (local_err) { 886 error_propagate(errp, local_err); 887 } 888 } 889 890 static DWORD WINAPI do_suspend(LPVOID opaque) 891 { 892 GuestSuspendMode *mode = opaque; 893 DWORD ret = 0; 894 895 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) { 896 slog("failed to suspend guest, %lu", GetLastError()); 897 ret = -1; 898 } 899 g_free(mode); 900 return ret; 901 } 902 903 void qmp_guest_suspend_disk(Error **errp) 904 { 905 Error *local_err = NULL; 906 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 907 908 *mode = GUEST_SUSPEND_MODE_DISK; 909 check_suspend_mode(*mode, &local_err); 910 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 911 execute_async(do_suspend, mode, &local_err); 912 913 if (local_err) { 914 error_propagate(errp, local_err); 915 g_free(mode); 916 } 917 } 918 919 void qmp_guest_suspend_ram(Error **errp) 920 { 921 Error *local_err = NULL; 922 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 923 924 *mode = GUEST_SUSPEND_MODE_RAM; 925 check_suspend_mode(*mode, &local_err); 926 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 927 execute_async(do_suspend, mode, &local_err); 928 929 if (local_err) { 930 error_propagate(errp, local_err); 931 g_free(mode); 932 } 933 } 934 935 void qmp_guest_suspend_hybrid(Error **errp) 936 { 937 error_setg(errp, QERR_UNSUPPORTED); 938 } 939 940 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp) 941 { 942 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL; 943 ULONG adptr_addrs_len = 0; 944 DWORD ret; 945 946 /* Call the first time to get the adptr_addrs_len. */ 947 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 948 NULL, adptr_addrs, &adptr_addrs_len); 949 950 adptr_addrs = g_malloc(adptr_addrs_len); 951 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 952 NULL, adptr_addrs, &adptr_addrs_len); 953 if (ret != ERROR_SUCCESS) { 954 error_setg_win32(errp, ret, "failed to get adapters addresses"); 955 g_free(adptr_addrs); 956 adptr_addrs = NULL; 957 } 958 return adptr_addrs; 959 } 960 961 static char *guest_wctomb_dup(WCHAR *wstr) 962 { 963 char *str; 964 size_t i; 965 966 i = wcslen(wstr) + 1; 967 str = g_malloc(i); 968 WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, 969 wstr, -1, str, i, NULL, NULL); 970 return str; 971 } 972 973 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr, 974 Error **errp) 975 { 976 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN]; 977 DWORD len; 978 int ret; 979 980 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET || 981 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 982 len = sizeof(addr_str); 983 ret = WSAAddressToString(ip_addr->Address.lpSockaddr, 984 ip_addr->Address.iSockaddrLength, 985 NULL, 986 addr_str, 987 &len); 988 if (ret != 0) { 989 error_setg_win32(errp, WSAGetLastError(), 990 "failed address presentation form conversion"); 991 return NULL; 992 } 993 return g_strdup(addr_str); 994 } 995 return NULL; 996 } 997 998 #if (_WIN32_WINNT >= 0x0600) 999 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1000 { 1001 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength 1002 * field to obtain the prefix. 1003 */ 1004 return ip_addr->OnLinkPrefixLength; 1005 } 1006 #else 1007 /* When using the Windows XP and 2003 build environment, do the best we can to 1008 * figure out the prefix. 1009 */ 1010 static IP_ADAPTER_INFO *guest_get_adapters_info(void) 1011 { 1012 IP_ADAPTER_INFO *adptr_info = NULL; 1013 ULONG adptr_info_len = 0; 1014 DWORD ret; 1015 1016 /* Call the first time to get the adptr_info_len. */ 1017 GetAdaptersInfo(adptr_info, &adptr_info_len); 1018 1019 adptr_info = g_malloc(adptr_info_len); 1020 ret = GetAdaptersInfo(adptr_info, &adptr_info_len); 1021 if (ret != ERROR_SUCCESS) { 1022 g_free(adptr_info); 1023 adptr_info = NULL; 1024 } 1025 return adptr_info; 1026 } 1027 1028 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1029 { 1030 int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */ 1031 IP_ADAPTER_INFO *adptr_info, *info; 1032 IP_ADDR_STRING *ip; 1033 struct in_addr *p; 1034 1035 if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) { 1036 return prefix; 1037 } 1038 adptr_info = guest_get_adapters_info(); 1039 if (adptr_info == NULL) { 1040 return prefix; 1041 } 1042 1043 /* Match up the passed in ip_addr with one found in adaptr_info. 1044 * The matching one in adptr_info will have the netmask. 1045 */ 1046 p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr; 1047 for (info = adptr_info; info; info = info->Next) { 1048 for (ip = &info->IpAddressList; ip; ip = ip->Next) { 1049 if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) { 1050 prefix = ctpop32(inet_addr(ip->IpMask.String)); 1051 goto out; 1052 } 1053 } 1054 } 1055 out: 1056 g_free(adptr_info); 1057 return prefix; 1058 } 1059 #endif 1060 1061 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp) 1062 { 1063 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr; 1064 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL; 1065 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL; 1066 GuestIpAddressList *head_addr, *cur_addr; 1067 GuestNetworkInterfaceList *info; 1068 GuestIpAddressList *address_item = NULL; 1069 unsigned char *mac_addr; 1070 char *addr_str; 1071 WORD wsa_version; 1072 WSADATA wsa_data; 1073 int ret; 1074 1075 adptr_addrs = guest_get_adapters_addresses(errp); 1076 if (adptr_addrs == NULL) { 1077 return NULL; 1078 } 1079 1080 /* Make WSA APIs available. */ 1081 wsa_version = MAKEWORD(2, 2); 1082 ret = WSAStartup(wsa_version, &wsa_data); 1083 if (ret != 0) { 1084 error_setg_win32(errp, ret, "failed socket startup"); 1085 goto out; 1086 } 1087 1088 for (addr = adptr_addrs; addr; addr = addr->Next) { 1089 info = g_malloc0(sizeof(*info)); 1090 1091 if (cur_item == NULL) { 1092 head = cur_item = info; 1093 } else { 1094 cur_item->next = info; 1095 cur_item = info; 1096 } 1097 1098 info->value = g_malloc0(sizeof(*info->value)); 1099 info->value->name = guest_wctomb_dup(addr->FriendlyName); 1100 1101 if (addr->PhysicalAddressLength != 0) { 1102 mac_addr = addr->PhysicalAddress; 1103 1104 info->value->hardware_address = 1105 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x", 1106 (int) mac_addr[0], (int) mac_addr[1], 1107 (int) mac_addr[2], (int) mac_addr[3], 1108 (int) mac_addr[4], (int) mac_addr[5]); 1109 1110 info->value->has_hardware_address = true; 1111 } 1112 1113 head_addr = NULL; 1114 cur_addr = NULL; 1115 for (ip_addr = addr->FirstUnicastAddress; 1116 ip_addr; 1117 ip_addr = ip_addr->Next) { 1118 addr_str = guest_addr_to_str(ip_addr, errp); 1119 if (addr_str == NULL) { 1120 continue; 1121 } 1122 1123 address_item = g_malloc0(sizeof(*address_item)); 1124 1125 if (!cur_addr) { 1126 head_addr = cur_addr = address_item; 1127 } else { 1128 cur_addr->next = address_item; 1129 cur_addr = address_item; 1130 } 1131 1132 address_item->value = g_malloc0(sizeof(*address_item->value)); 1133 address_item->value->ip_address = addr_str; 1134 address_item->value->prefix = guest_ip_prefix(ip_addr); 1135 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) { 1136 address_item->value->ip_address_type = 1137 GUEST_IP_ADDRESS_TYPE_IPV4; 1138 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1139 address_item->value->ip_address_type = 1140 GUEST_IP_ADDRESS_TYPE_IPV6; 1141 } 1142 } 1143 if (head_addr) { 1144 info->value->has_ip_addresses = true; 1145 info->value->ip_addresses = head_addr; 1146 } 1147 } 1148 WSACleanup(); 1149 out: 1150 g_free(adptr_addrs); 1151 return head; 1152 } 1153 1154 int64_t qmp_guest_get_time(Error **errp) 1155 { 1156 SYSTEMTIME ts = {0}; 1157 int64_t time_ns; 1158 FILETIME tf; 1159 1160 GetSystemTime(&ts); 1161 if (ts.wYear < 1601 || ts.wYear > 30827) { 1162 error_setg(errp, "Failed to get time"); 1163 return -1; 1164 } 1165 1166 if (!SystemTimeToFileTime(&ts, &tf)) { 1167 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError()); 1168 return -1; 1169 } 1170 1171 time_ns = ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime) 1172 - W32_FT_OFFSET) * 100; 1173 1174 return time_ns; 1175 } 1176 1177 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) 1178 { 1179 Error *local_err = NULL; 1180 SYSTEMTIME ts; 1181 FILETIME tf; 1182 LONGLONG time; 1183 1184 if (!has_time) { 1185 /* Unfortunately, Windows libraries don't provide an easy way to access 1186 * RTC yet: 1187 * 1188 * https://msdn.microsoft.com/en-us/library/aa908981.aspx 1189 */ 1190 error_setg(errp, "Time argument is required on this platform"); 1191 return; 1192 } 1193 1194 /* Validate time passed by user. */ 1195 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { 1196 error_setg(errp, "Time %" PRId64 "is invalid", time_ns); 1197 return; 1198 } 1199 1200 time = time_ns / 100 + W32_FT_OFFSET; 1201 1202 tf.dwLowDateTime = (DWORD) time; 1203 tf.dwHighDateTime = (DWORD) (time >> 32); 1204 1205 if (!FileTimeToSystemTime(&tf, &ts)) { 1206 error_setg(errp, "Failed to convert system time %d", 1207 (int)GetLastError()); 1208 return; 1209 } 1210 1211 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err); 1212 if (local_err) { 1213 error_propagate(errp, local_err); 1214 return; 1215 } 1216 1217 if (!SetSystemTime(&ts)) { 1218 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); 1219 return; 1220 } 1221 } 1222 1223 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp) 1224 { 1225 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr; 1226 DWORD length; 1227 GuestLogicalProcessorList *head, **link; 1228 Error *local_err = NULL; 1229 int64_t current; 1230 1231 ptr = pslpi = NULL; 1232 length = 0; 1233 current = 0; 1234 head = NULL; 1235 link = &head; 1236 1237 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) && 1238 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) && 1239 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) { 1240 ptr = pslpi = g_malloc0(length); 1241 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) { 1242 error_setg(&local_err, "Failed to get processor information: %d", 1243 (int)GetLastError()); 1244 } 1245 } else { 1246 error_setg(&local_err, 1247 "Failed to get processor information buffer length: %d", 1248 (int)GetLastError()); 1249 } 1250 1251 while ((local_err == NULL) && (length > 0)) { 1252 if (pslpi->Relationship == RelationProcessorCore) { 1253 ULONG_PTR cpu_bits = pslpi->ProcessorMask; 1254 1255 while (cpu_bits > 0) { 1256 if (!!(cpu_bits & 1)) { 1257 GuestLogicalProcessor *vcpu; 1258 GuestLogicalProcessorList *entry; 1259 1260 vcpu = g_malloc0(sizeof *vcpu); 1261 vcpu->logical_id = current++; 1262 vcpu->online = true; 1263 vcpu->has_can_offline = false; 1264 1265 entry = g_malloc0(sizeof *entry); 1266 entry->value = vcpu; 1267 1268 *link = entry; 1269 link = &entry->next; 1270 } 1271 cpu_bits >>= 1; 1272 } 1273 } 1274 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); 1275 pslpi++; /* next entry */ 1276 } 1277 1278 g_free(ptr); 1279 1280 if (local_err == NULL) { 1281 if (head != NULL) { 1282 return head; 1283 } 1284 /* there's no guest with zero VCPUs */ 1285 error_setg(&local_err, "Guest reported zero VCPUs"); 1286 } 1287 1288 qapi_free_GuestLogicalProcessorList(head); 1289 error_propagate(errp, local_err); 1290 return NULL; 1291 } 1292 1293 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp) 1294 { 1295 error_setg(errp, QERR_UNSUPPORTED); 1296 return -1; 1297 } 1298 1299 static gchar * 1300 get_net_error_message(gint error) 1301 { 1302 HMODULE module = NULL; 1303 gchar *retval = NULL; 1304 wchar_t *msg = NULL; 1305 int flags; 1306 size_t nchars; 1307 1308 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER | 1309 FORMAT_MESSAGE_IGNORE_INSERTS | 1310 FORMAT_MESSAGE_FROM_SYSTEM; 1311 1312 if (error >= NERR_BASE && error <= MAX_NERR) { 1313 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE); 1314 1315 if (module != NULL) { 1316 flags |= FORMAT_MESSAGE_FROM_HMODULE; 1317 } 1318 } 1319 1320 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL); 1321 1322 if (msg != NULL) { 1323 nchars = wcslen(msg); 1324 1325 if (nchars >= 2 && 1326 msg[nchars - 1] == L'\n' && 1327 msg[nchars - 2] == L'\r') { 1328 msg[nchars - 2] = L'\0'; 1329 } 1330 1331 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL); 1332 1333 LocalFree(msg); 1334 } 1335 1336 if (module != NULL) { 1337 FreeLibrary(module); 1338 } 1339 1340 return retval; 1341 } 1342 1343 void qmp_guest_set_user_password(const char *username, 1344 const char *password, 1345 bool crypted, 1346 Error **errp) 1347 { 1348 NET_API_STATUS nas; 1349 char *rawpasswddata = NULL; 1350 size_t rawpasswdlen; 1351 wchar_t *user = NULL, *wpass = NULL; 1352 USER_INFO_1003 pi1003 = { 0, }; 1353 GError *gerr = NULL; 1354 1355 if (crypted) { 1356 error_setg(errp, QERR_UNSUPPORTED); 1357 return; 1358 } 1359 1360 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp); 1361 if (!rawpasswddata) { 1362 return; 1363 } 1364 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1); 1365 rawpasswddata[rawpasswdlen] = '\0'; 1366 1367 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr); 1368 if (!user) { 1369 goto done; 1370 } 1371 1372 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr); 1373 if (!wpass) { 1374 goto done; 1375 } 1376 1377 pi1003.usri1003_password = wpass; 1378 nas = NetUserSetInfo(NULL, user, 1379 1003, (LPBYTE)&pi1003, 1380 NULL); 1381 1382 if (nas != NERR_Success) { 1383 gchar *msg = get_net_error_message(nas); 1384 error_setg(errp, "failed to set password: %s", msg); 1385 g_free(msg); 1386 } 1387 1388 done: 1389 if (gerr) { 1390 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message); 1391 g_error_free(gerr); 1392 } 1393 g_free(user); 1394 g_free(wpass); 1395 g_free(rawpasswddata); 1396 } 1397 1398 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp) 1399 { 1400 error_setg(errp, QERR_UNSUPPORTED); 1401 return NULL; 1402 } 1403 1404 GuestMemoryBlockResponseList * 1405 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp) 1406 { 1407 error_setg(errp, QERR_UNSUPPORTED); 1408 return NULL; 1409 } 1410 1411 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp) 1412 { 1413 error_setg(errp, QERR_UNSUPPORTED); 1414 return NULL; 1415 } 1416 1417 /* add unsupported commands to the blacklist */ 1418 GList *ga_command_blacklist_init(GList *blacklist) 1419 { 1420 const char *list_unsupported[] = { 1421 "guest-suspend-hybrid", 1422 "guest-set-vcpus", 1423 "guest-get-memory-blocks", "guest-set-memory-blocks", 1424 "guest-get-memory-block-size", 1425 "guest-fsfreeze-freeze-list", 1426 "guest-fstrim", NULL}; 1427 char **p = (char **)list_unsupported; 1428 1429 while (*p) { 1430 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1431 } 1432 1433 if (!vss_init(true)) { 1434 g_debug("vss_init failed, vss commands are going to be disabled"); 1435 const char *list[] = { 1436 "guest-get-fsinfo", "guest-fsfreeze-status", 1437 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL}; 1438 p = (char **)list; 1439 1440 while (*p) { 1441 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1442 } 1443 } 1444 1445 return blacklist; 1446 } 1447 1448 /* register init/cleanup routines for stateful command groups */ 1449 void ga_command_state_init(GAState *s, GACommandState *cs) 1450 { 1451 if (!vss_initialized()) { 1452 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup); 1453 } 1454 } 1455