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 error_propagate(errp, local_err); 251 } 252 253 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque, 254 Error **errp) 255 { 256 Error *local_err = NULL; 257 258 HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL); 259 if (!thread) { 260 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 261 "failed to dispatch asynchronous command"); 262 error_propagate(errp, local_err); 263 } 264 } 265 266 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) 267 { 268 Error *local_err = NULL; 269 UINT shutdown_flag = EWX_FORCE; 270 271 slog("guest-shutdown called, mode: %s", mode); 272 273 if (!has_mode || strcmp(mode, "powerdown") == 0) { 274 shutdown_flag |= EWX_POWEROFF; 275 } else if (strcmp(mode, "halt") == 0) { 276 shutdown_flag |= EWX_SHUTDOWN; 277 } else if (strcmp(mode, "reboot") == 0) { 278 shutdown_flag |= EWX_REBOOT; 279 } else { 280 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode", 281 "halt|powerdown|reboot"); 282 return; 283 } 284 285 /* Request a shutdown privilege, but try to shut down the system 286 anyway. */ 287 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 288 if (local_err) { 289 error_propagate(errp, local_err); 290 return; 291 } 292 293 if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) { 294 slog("guest-shutdown failed: %lu", GetLastError()); 295 error_setg(errp, QERR_UNDEFINED_ERROR); 296 } 297 } 298 299 GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count, 300 int64_t count, Error **errp) 301 { 302 GuestFileRead *read_data = NULL; 303 guchar *buf; 304 HANDLE fh; 305 bool is_ok; 306 DWORD read_count; 307 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 308 309 if (!gfh) { 310 return NULL; 311 } 312 if (!has_count) { 313 count = QGA_READ_COUNT_DEFAULT; 314 } else if (count < 0) { 315 error_setg(errp, "value '%" PRId64 316 "' is invalid for argument count", count); 317 return NULL; 318 } 319 320 fh = gfh->fh; 321 buf = g_malloc0(count+1); 322 is_ok = ReadFile(fh, buf, count, &read_count, NULL); 323 if (!is_ok) { 324 error_setg_win32(errp, GetLastError(), "failed to read file"); 325 slog("guest-file-read failed, handle %" PRId64, handle); 326 } else { 327 buf[read_count] = 0; 328 read_data = g_new0(GuestFileRead, 1); 329 read_data->count = (size_t)read_count; 330 read_data->eof = read_count == 0; 331 332 if (read_count != 0) { 333 read_data->buf_b64 = g_base64_encode(buf, read_count); 334 } 335 } 336 g_free(buf); 337 338 return read_data; 339 } 340 341 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64, 342 bool has_count, int64_t count, 343 Error **errp) 344 { 345 GuestFileWrite *write_data = NULL; 346 guchar *buf; 347 gsize buf_len; 348 bool is_ok; 349 DWORD write_count; 350 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 351 HANDLE fh; 352 353 if (!gfh) { 354 return NULL; 355 } 356 fh = gfh->fh; 357 buf = qbase64_decode(buf_b64, -1, &buf_len, errp); 358 if (!buf) { 359 return NULL; 360 } 361 362 if (!has_count) { 363 count = buf_len; 364 } else if (count < 0 || count > buf_len) { 365 error_setg(errp, "value '%" PRId64 366 "' is invalid for argument count", count); 367 goto done; 368 } 369 370 is_ok = WriteFile(fh, buf, count, &write_count, NULL); 371 if (!is_ok) { 372 error_setg_win32(errp, GetLastError(), "failed to write to file"); 373 slog("guest-file-write-failed, handle: %" PRId64, handle); 374 } else { 375 write_data = g_new0(GuestFileWrite, 1); 376 write_data->count = (size_t) write_count; 377 } 378 379 done: 380 g_free(buf); 381 return write_data; 382 } 383 384 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset, 385 GuestFileWhence *whence_code, 386 Error **errp) 387 { 388 GuestFileHandle *gfh; 389 GuestFileSeek *seek_data; 390 HANDLE fh; 391 LARGE_INTEGER new_pos, off_pos; 392 off_pos.QuadPart = offset; 393 BOOL res; 394 int whence; 395 Error *err = NULL; 396 397 gfh = guest_file_handle_find(handle, errp); 398 if (!gfh) { 399 return NULL; 400 } 401 402 /* We stupidly exposed 'whence':'int' in our qapi */ 403 whence = ga_parse_whence(whence_code, &err); 404 if (err) { 405 error_propagate(errp, err); 406 return NULL; 407 } 408 409 fh = gfh->fh; 410 res = SetFilePointerEx(fh, off_pos, &new_pos, whence); 411 if (!res) { 412 error_setg_win32(errp, GetLastError(), "failed to seek file"); 413 return NULL; 414 } 415 seek_data = g_new0(GuestFileSeek, 1); 416 seek_data->position = new_pos.QuadPart; 417 return seek_data; 418 } 419 420 void qmp_guest_file_flush(int64_t handle, Error **errp) 421 { 422 HANDLE fh; 423 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 424 if (!gfh) { 425 return; 426 } 427 428 fh = gfh->fh; 429 if (!FlushFileBuffers(fh)) { 430 error_setg_win32(errp, GetLastError(), "failed to flush file"); 431 } 432 } 433 434 #ifdef CONFIG_QGA_NTDDSCSI 435 436 static STORAGE_BUS_TYPE win2qemu[] = { 437 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN, 438 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI, 439 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE, 440 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE, 441 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394, 442 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA, 443 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA, 444 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB, 445 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID, 446 #if (_WIN32_WINNT >= 0x0600) 447 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI, 448 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS, 449 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA, 450 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD, 451 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC, 452 #endif 453 #if (_WIN32_WINNT >= 0x0601) 454 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL, 455 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL, 456 #endif 457 }; 458 459 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus) 460 { 461 if (bus > ARRAY_SIZE(win2qemu) || (int)bus < 0) { 462 return GUEST_DISK_BUS_TYPE_UNKNOWN; 463 } 464 return win2qemu[(int)bus]; 465 } 466 467 DEFINE_GUID(GUID_DEVINTERFACE_VOLUME, 468 0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2, 469 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); 470 471 static GuestPCIAddress *get_pci_info(char *guid, Error **errp) 472 { 473 HDEVINFO dev_info; 474 SP_DEVINFO_DATA dev_info_data; 475 DWORD size = 0; 476 int i; 477 char dev_name[MAX_PATH]; 478 char *buffer = NULL; 479 GuestPCIAddress *pci = NULL; 480 char *name = g_strdup(&guid[4]); 481 482 if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) { 483 error_setg_win32(errp, GetLastError(), "failed to get dos device name"); 484 goto out; 485 } 486 487 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_VOLUME, 0, 0, 488 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); 489 if (dev_info == INVALID_HANDLE_VALUE) { 490 error_setg_win32(errp, GetLastError(), "failed to get devices tree"); 491 goto out; 492 } 493 494 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); 495 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) { 496 DWORD addr, bus, slot, func, dev, data, size2; 497 while (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 498 SPDRP_PHYSICAL_DEVICE_OBJECT_NAME, 499 &data, (PBYTE)buffer, size, 500 &size2)) { 501 size = MAX(size, size2); 502 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { 503 g_free(buffer); 504 /* Double the size to avoid problems on 505 * W2k MBCS systems per KB 888609. 506 * https://support.microsoft.com/en-us/kb/259695 */ 507 buffer = g_malloc(size * 2); 508 } else { 509 error_setg_win32(errp, GetLastError(), 510 "failed to get device name"); 511 goto out; 512 } 513 } 514 515 if (g_strcmp0(buffer, dev_name)) { 516 continue; 517 } 518 519 /* There is no need to allocate buffer in the next functions. The size 520 * is known and ULONG according to 521 * https://support.microsoft.com/en-us/kb/253232 522 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx 523 */ 524 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 525 SPDRP_BUSNUMBER, &data, (PBYTE)&bus, size, NULL)) { 526 break; 527 } 528 529 /* The function retrieves the device's address. This value will be 530 * transformed into device function and number */ 531 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 532 SPDRP_ADDRESS, &data, (PBYTE)&addr, size, NULL)) { 533 break; 534 } 535 536 /* This call returns UINumber of DEVICE_CAPABILITIES structure. 537 * This number is typically a user-perceived slot number. */ 538 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 539 SPDRP_UI_NUMBER, &data, (PBYTE)&slot, size, NULL)) { 540 break; 541 } 542 543 /* SetupApi gives us the same information as driver with 544 * IoGetDeviceProperty. According to Microsoft 545 * https://support.microsoft.com/en-us/kb/253232 546 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF); 547 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF); 548 * SPDRP_ADDRESS is propertyAddress, so we do the same.*/ 549 550 func = addr & 0x0000FFFF; 551 dev = (addr >> 16) & 0x0000FFFF; 552 pci = g_malloc0(sizeof(*pci)); 553 pci->domain = dev; 554 pci->slot = slot; 555 pci->function = func; 556 pci->bus = bus; 557 break; 558 } 559 out: 560 g_free(buffer); 561 g_free(name); 562 return pci; 563 } 564 565 static int get_disk_bus_type(HANDLE vol_h, Error **errp) 566 { 567 STORAGE_PROPERTY_QUERY query; 568 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf; 569 DWORD received; 570 571 dev_desc = &buf; 572 dev_desc->Size = sizeof(buf); 573 query.PropertyId = StorageDeviceProperty; 574 query.QueryType = PropertyStandardQuery; 575 576 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query, 577 sizeof(STORAGE_PROPERTY_QUERY), dev_desc, 578 dev_desc->Size, &received, NULL)) { 579 error_setg_win32(errp, GetLastError(), "failed to get bus type"); 580 return -1; 581 } 582 583 return dev_desc->BusType; 584 } 585 586 /* VSS provider works with volumes, thus there is no difference if 587 * the volume consist of spanned disks. Info about the first disk in the 588 * volume is returned for the spanned disk group (LVM) */ 589 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 590 { 591 GuestDiskAddressList *list = NULL; 592 GuestDiskAddress *disk; 593 SCSI_ADDRESS addr, *scsi_ad; 594 DWORD len; 595 int bus; 596 HANDLE vol_h; 597 598 scsi_ad = &addr; 599 char *name = g_strndup(guid, strlen(guid)-1); 600 601 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 602 0, NULL); 603 if (vol_h == INVALID_HANDLE_VALUE) { 604 error_setg_win32(errp, GetLastError(), "failed to open volume"); 605 goto out_free; 606 } 607 608 bus = get_disk_bus_type(vol_h, errp); 609 if (bus < 0) { 610 goto out_close; 611 } 612 613 disk = g_malloc0(sizeof(*disk)); 614 disk->bus_type = find_bus_type(bus); 615 if (bus == BusTypeScsi || bus == BusTypeAta || bus == BusTypeRAID 616 #if (_WIN32_WINNT >= 0x0600) 617 /* This bus type is not supported before Windows Server 2003 SP1 */ 618 || bus == BusTypeSas 619 #endif 620 ) { 621 /* We are able to use the same ioctls for different bus types 622 * according to Microsoft docs 623 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */ 624 if (DeviceIoControl(vol_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad, 625 sizeof(SCSI_ADDRESS), &len, NULL)) { 626 disk->unit = addr.Lun; 627 disk->target = addr.TargetId; 628 disk->bus = addr.PathId; 629 disk->pci_controller = get_pci_info(name, errp); 630 } 631 /* We do not set error in this case, because we still have enough 632 * information about volume. */ 633 } else { 634 disk->pci_controller = NULL; 635 } 636 637 list = g_malloc0(sizeof(*list)); 638 list->value = disk; 639 list->next = NULL; 640 out_close: 641 CloseHandle(vol_h); 642 out_free: 643 g_free(name); 644 return list; 645 } 646 647 #else 648 649 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 650 { 651 return NULL; 652 } 653 654 #endif /* CONFIG_QGA_NTDDSCSI */ 655 656 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp) 657 { 658 DWORD info_size; 659 char mnt, *mnt_point; 660 char fs_name[32]; 661 char vol_info[MAX_PATH+1]; 662 size_t len; 663 GuestFilesystemInfo *fs = NULL; 664 665 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size); 666 if (GetLastError() != ERROR_MORE_DATA) { 667 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 668 return NULL; 669 } 670 671 mnt_point = g_malloc(info_size + 1); 672 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size, 673 &info_size)) { 674 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 675 goto free; 676 } 677 678 len = strlen(mnt_point); 679 mnt_point[len] = '\\'; 680 mnt_point[len+1] = 0; 681 if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL, 682 NULL, (LPSTR)&fs_name, sizeof(fs_name))) { 683 if (GetLastError() != ERROR_NOT_READY) { 684 error_setg_win32(errp, GetLastError(), "failed to get volume info"); 685 } 686 goto free; 687 } 688 689 fs_name[sizeof(fs_name) - 1] = 0; 690 fs = g_malloc(sizeof(*fs)); 691 fs->name = g_strdup(guid); 692 if (len == 0) { 693 fs->mountpoint = g_strdup("System Reserved"); 694 } else { 695 fs->mountpoint = g_strndup(mnt_point, len); 696 } 697 fs->type = g_strdup(fs_name); 698 fs->disk = build_guest_disk_info(guid, errp); 699 free: 700 g_free(mnt_point); 701 return fs; 702 } 703 704 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp) 705 { 706 HANDLE vol_h; 707 GuestFilesystemInfoList *new, *ret = NULL; 708 char guid[256]; 709 710 vol_h = FindFirstVolume(guid, sizeof(guid)); 711 if (vol_h == INVALID_HANDLE_VALUE) { 712 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 713 return NULL; 714 } 715 716 do { 717 GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp); 718 if (info == NULL) { 719 continue; 720 } 721 new = g_malloc(sizeof(*ret)); 722 new->value = info; 723 new->next = ret; 724 ret = new; 725 } while (FindNextVolume(vol_h, guid, sizeof(guid))); 726 727 if (GetLastError() != ERROR_NO_MORE_FILES) { 728 error_setg_win32(errp, GetLastError(), "failed to find next volume"); 729 } 730 731 FindVolumeClose(vol_h); 732 return ret; 733 } 734 735 /* 736 * Return status of freeze/thaw 737 */ 738 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp) 739 { 740 if (!vss_initialized()) { 741 error_setg(errp, QERR_UNSUPPORTED); 742 return 0; 743 } 744 745 if (ga_is_frozen(ga_state)) { 746 return GUEST_FSFREEZE_STATUS_FROZEN; 747 } 748 749 return GUEST_FSFREEZE_STATUS_THAWED; 750 } 751 752 /* 753 * Freeze local file systems using Volume Shadow-copy Service. 754 * The frozen state is limited for up to 10 seconds by VSS. 755 */ 756 int64_t qmp_guest_fsfreeze_freeze(Error **errp) 757 { 758 int i; 759 Error *local_err = NULL; 760 761 if (!vss_initialized()) { 762 error_setg(errp, QERR_UNSUPPORTED); 763 return 0; 764 } 765 766 slog("guest-fsfreeze called"); 767 768 /* cannot risk guest agent blocking itself on a write in this state */ 769 ga_set_frozen(ga_state); 770 771 qga_vss_fsfreeze(&i, &local_err, true); 772 if (local_err) { 773 error_propagate(errp, local_err); 774 goto error; 775 } 776 777 return i; 778 779 error: 780 local_err = NULL; 781 qmp_guest_fsfreeze_thaw(&local_err); 782 if (local_err) { 783 g_debug("cleanup thaw: %s", error_get_pretty(local_err)); 784 error_free(local_err); 785 } 786 return 0; 787 } 788 789 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, 790 strList *mountpoints, 791 Error **errp) 792 { 793 error_setg(errp, QERR_UNSUPPORTED); 794 795 return 0; 796 } 797 798 /* 799 * Thaw local file systems using Volume Shadow-copy Service. 800 */ 801 int64_t qmp_guest_fsfreeze_thaw(Error **errp) 802 { 803 int i; 804 805 if (!vss_initialized()) { 806 error_setg(errp, QERR_UNSUPPORTED); 807 return 0; 808 } 809 810 qga_vss_fsfreeze(&i, errp, false); 811 812 ga_unset_frozen(ga_state); 813 return i; 814 } 815 816 static void guest_fsfreeze_cleanup(void) 817 { 818 Error *err = NULL; 819 820 if (!vss_initialized()) { 821 return; 822 } 823 824 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) { 825 qmp_guest_fsfreeze_thaw(&err); 826 if (err) { 827 slog("failed to clean up frozen filesystems: %s", 828 error_get_pretty(err)); 829 error_free(err); 830 } 831 } 832 833 vss_deinit(true); 834 } 835 836 /* 837 * Walk list of mounted file systems in the guest, and discard unused 838 * areas. 839 */ 840 GuestFilesystemTrimResponse * 841 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) 842 { 843 error_setg(errp, QERR_UNSUPPORTED); 844 return NULL; 845 } 846 847 typedef enum { 848 GUEST_SUSPEND_MODE_DISK, 849 GUEST_SUSPEND_MODE_RAM 850 } GuestSuspendMode; 851 852 static void check_suspend_mode(GuestSuspendMode mode, Error **errp) 853 { 854 SYSTEM_POWER_CAPABILITIES sys_pwr_caps; 855 Error *local_err = NULL; 856 857 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps)); 858 if (!GetPwrCapabilities(&sys_pwr_caps)) { 859 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 860 "failed to determine guest suspend capabilities"); 861 goto out; 862 } 863 864 switch (mode) { 865 case GUEST_SUSPEND_MODE_DISK: 866 if (!sys_pwr_caps.SystemS4) { 867 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 868 "suspend-to-disk not supported by OS"); 869 } 870 break; 871 case GUEST_SUSPEND_MODE_RAM: 872 if (!sys_pwr_caps.SystemS3) { 873 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 874 "suspend-to-ram not supported by OS"); 875 } 876 break; 877 default: 878 error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode", 879 "GuestSuspendMode"); 880 } 881 882 out: 883 error_propagate(errp, local_err); 884 } 885 886 static DWORD WINAPI do_suspend(LPVOID opaque) 887 { 888 GuestSuspendMode *mode = opaque; 889 DWORD ret = 0; 890 891 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) { 892 slog("failed to suspend guest, %lu", GetLastError()); 893 ret = -1; 894 } 895 g_free(mode); 896 return ret; 897 } 898 899 void qmp_guest_suspend_disk(Error **errp) 900 { 901 Error *local_err = NULL; 902 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 903 904 *mode = GUEST_SUSPEND_MODE_DISK; 905 check_suspend_mode(*mode, &local_err); 906 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 907 execute_async(do_suspend, mode, &local_err); 908 909 if (local_err) { 910 error_propagate(errp, local_err); 911 g_free(mode); 912 } 913 } 914 915 void qmp_guest_suspend_ram(Error **errp) 916 { 917 Error *local_err = NULL; 918 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 919 920 *mode = GUEST_SUSPEND_MODE_RAM; 921 check_suspend_mode(*mode, &local_err); 922 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 923 execute_async(do_suspend, mode, &local_err); 924 925 if (local_err) { 926 error_propagate(errp, local_err); 927 g_free(mode); 928 } 929 } 930 931 void qmp_guest_suspend_hybrid(Error **errp) 932 { 933 error_setg(errp, QERR_UNSUPPORTED); 934 } 935 936 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp) 937 { 938 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL; 939 ULONG adptr_addrs_len = 0; 940 DWORD ret; 941 942 /* Call the first time to get the adptr_addrs_len. */ 943 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 944 NULL, adptr_addrs, &adptr_addrs_len); 945 946 adptr_addrs = g_malloc(adptr_addrs_len); 947 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 948 NULL, adptr_addrs, &adptr_addrs_len); 949 if (ret != ERROR_SUCCESS) { 950 error_setg_win32(errp, ret, "failed to get adapters addresses"); 951 g_free(adptr_addrs); 952 adptr_addrs = NULL; 953 } 954 return adptr_addrs; 955 } 956 957 static char *guest_wctomb_dup(WCHAR *wstr) 958 { 959 char *str; 960 size_t i; 961 962 i = wcslen(wstr) + 1; 963 str = g_malloc(i); 964 WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, 965 wstr, -1, str, i, NULL, NULL); 966 return str; 967 } 968 969 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr, 970 Error **errp) 971 { 972 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN]; 973 DWORD len; 974 int ret; 975 976 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET || 977 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 978 len = sizeof(addr_str); 979 ret = WSAAddressToString(ip_addr->Address.lpSockaddr, 980 ip_addr->Address.iSockaddrLength, 981 NULL, 982 addr_str, 983 &len); 984 if (ret != 0) { 985 error_setg_win32(errp, WSAGetLastError(), 986 "failed address presentation form conversion"); 987 return NULL; 988 } 989 return g_strdup(addr_str); 990 } 991 return NULL; 992 } 993 994 #if (_WIN32_WINNT >= 0x0600) 995 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 996 { 997 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength 998 * field to obtain the prefix. 999 */ 1000 return ip_addr->OnLinkPrefixLength; 1001 } 1002 #else 1003 /* When using the Windows XP and 2003 build environment, do the best we can to 1004 * figure out the prefix. 1005 */ 1006 static IP_ADAPTER_INFO *guest_get_adapters_info(void) 1007 { 1008 IP_ADAPTER_INFO *adptr_info = NULL; 1009 ULONG adptr_info_len = 0; 1010 DWORD ret; 1011 1012 /* Call the first time to get the adptr_info_len. */ 1013 GetAdaptersInfo(adptr_info, &adptr_info_len); 1014 1015 adptr_info = g_malloc(adptr_info_len); 1016 ret = GetAdaptersInfo(adptr_info, &adptr_info_len); 1017 if (ret != ERROR_SUCCESS) { 1018 g_free(adptr_info); 1019 adptr_info = NULL; 1020 } 1021 return adptr_info; 1022 } 1023 1024 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1025 { 1026 int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */ 1027 IP_ADAPTER_INFO *adptr_info, *info; 1028 IP_ADDR_STRING *ip; 1029 struct in_addr *p; 1030 1031 if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) { 1032 return prefix; 1033 } 1034 adptr_info = guest_get_adapters_info(); 1035 if (adptr_info == NULL) { 1036 return prefix; 1037 } 1038 1039 /* Match up the passed in ip_addr with one found in adaptr_info. 1040 * The matching one in adptr_info will have the netmask. 1041 */ 1042 p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr; 1043 for (info = adptr_info; info; info = info->Next) { 1044 for (ip = &info->IpAddressList; ip; ip = ip->Next) { 1045 if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) { 1046 prefix = ctpop32(inet_addr(ip->IpMask.String)); 1047 goto out; 1048 } 1049 } 1050 } 1051 out: 1052 g_free(adptr_info); 1053 return prefix; 1054 } 1055 #endif 1056 1057 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp) 1058 { 1059 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr; 1060 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL; 1061 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL; 1062 GuestIpAddressList *head_addr, *cur_addr; 1063 GuestNetworkInterfaceList *info; 1064 GuestIpAddressList *address_item = NULL; 1065 unsigned char *mac_addr; 1066 char *addr_str; 1067 WORD wsa_version; 1068 WSADATA wsa_data; 1069 int ret; 1070 1071 adptr_addrs = guest_get_adapters_addresses(errp); 1072 if (adptr_addrs == NULL) { 1073 return NULL; 1074 } 1075 1076 /* Make WSA APIs available. */ 1077 wsa_version = MAKEWORD(2, 2); 1078 ret = WSAStartup(wsa_version, &wsa_data); 1079 if (ret != 0) { 1080 error_setg_win32(errp, ret, "failed socket startup"); 1081 goto out; 1082 } 1083 1084 for (addr = adptr_addrs; addr; addr = addr->Next) { 1085 info = g_malloc0(sizeof(*info)); 1086 1087 if (cur_item == NULL) { 1088 head = cur_item = info; 1089 } else { 1090 cur_item->next = info; 1091 cur_item = info; 1092 } 1093 1094 info->value = g_malloc0(sizeof(*info->value)); 1095 info->value->name = guest_wctomb_dup(addr->FriendlyName); 1096 1097 if (addr->PhysicalAddressLength != 0) { 1098 mac_addr = addr->PhysicalAddress; 1099 1100 info->value->hardware_address = 1101 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x", 1102 (int) mac_addr[0], (int) mac_addr[1], 1103 (int) mac_addr[2], (int) mac_addr[3], 1104 (int) mac_addr[4], (int) mac_addr[5]); 1105 1106 info->value->has_hardware_address = true; 1107 } 1108 1109 head_addr = NULL; 1110 cur_addr = NULL; 1111 for (ip_addr = addr->FirstUnicastAddress; 1112 ip_addr; 1113 ip_addr = ip_addr->Next) { 1114 addr_str = guest_addr_to_str(ip_addr, errp); 1115 if (addr_str == NULL) { 1116 continue; 1117 } 1118 1119 address_item = g_malloc0(sizeof(*address_item)); 1120 1121 if (!cur_addr) { 1122 head_addr = cur_addr = address_item; 1123 } else { 1124 cur_addr->next = address_item; 1125 cur_addr = address_item; 1126 } 1127 1128 address_item->value = g_malloc0(sizeof(*address_item->value)); 1129 address_item->value->ip_address = addr_str; 1130 address_item->value->prefix = guest_ip_prefix(ip_addr); 1131 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) { 1132 address_item->value->ip_address_type = 1133 GUEST_IP_ADDRESS_TYPE_IPV4; 1134 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1135 address_item->value->ip_address_type = 1136 GUEST_IP_ADDRESS_TYPE_IPV6; 1137 } 1138 } 1139 if (head_addr) { 1140 info->value->has_ip_addresses = true; 1141 info->value->ip_addresses = head_addr; 1142 } 1143 } 1144 WSACleanup(); 1145 out: 1146 g_free(adptr_addrs); 1147 return head; 1148 } 1149 1150 int64_t qmp_guest_get_time(Error **errp) 1151 { 1152 SYSTEMTIME ts = {0}; 1153 FILETIME tf; 1154 1155 GetSystemTime(&ts); 1156 if (ts.wYear < 1601 || ts.wYear > 30827) { 1157 error_setg(errp, "Failed to get time"); 1158 return -1; 1159 } 1160 1161 if (!SystemTimeToFileTime(&ts, &tf)) { 1162 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError()); 1163 return -1; 1164 } 1165 1166 return ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime) 1167 - W32_FT_OFFSET) * 100; 1168 } 1169 1170 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) 1171 { 1172 Error *local_err = NULL; 1173 SYSTEMTIME ts; 1174 FILETIME tf; 1175 LONGLONG time; 1176 1177 if (!has_time) { 1178 /* Unfortunately, Windows libraries don't provide an easy way to access 1179 * RTC yet: 1180 * 1181 * https://msdn.microsoft.com/en-us/library/aa908981.aspx 1182 */ 1183 error_setg(errp, "Time argument is required on this platform"); 1184 return; 1185 } 1186 1187 /* Validate time passed by user. */ 1188 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { 1189 error_setg(errp, "Time %" PRId64 "is invalid", time_ns); 1190 return; 1191 } 1192 1193 time = time_ns / 100 + W32_FT_OFFSET; 1194 1195 tf.dwLowDateTime = (DWORD) time; 1196 tf.dwHighDateTime = (DWORD) (time >> 32); 1197 1198 if (!FileTimeToSystemTime(&tf, &ts)) { 1199 error_setg(errp, "Failed to convert system time %d", 1200 (int)GetLastError()); 1201 return; 1202 } 1203 1204 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err); 1205 if (local_err) { 1206 error_propagate(errp, local_err); 1207 return; 1208 } 1209 1210 if (!SetSystemTime(&ts)) { 1211 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); 1212 return; 1213 } 1214 } 1215 1216 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp) 1217 { 1218 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr; 1219 DWORD length; 1220 GuestLogicalProcessorList *head, **link; 1221 Error *local_err = NULL; 1222 int64_t current; 1223 1224 ptr = pslpi = NULL; 1225 length = 0; 1226 current = 0; 1227 head = NULL; 1228 link = &head; 1229 1230 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) && 1231 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) && 1232 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) { 1233 ptr = pslpi = g_malloc0(length); 1234 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) { 1235 error_setg(&local_err, "Failed to get processor information: %d", 1236 (int)GetLastError()); 1237 } 1238 } else { 1239 error_setg(&local_err, 1240 "Failed to get processor information buffer length: %d", 1241 (int)GetLastError()); 1242 } 1243 1244 while ((local_err == NULL) && (length > 0)) { 1245 if (pslpi->Relationship == RelationProcessorCore) { 1246 ULONG_PTR cpu_bits = pslpi->ProcessorMask; 1247 1248 while (cpu_bits > 0) { 1249 if (!!(cpu_bits & 1)) { 1250 GuestLogicalProcessor *vcpu; 1251 GuestLogicalProcessorList *entry; 1252 1253 vcpu = g_malloc0(sizeof *vcpu); 1254 vcpu->logical_id = current++; 1255 vcpu->online = true; 1256 vcpu->has_can_offline = false; 1257 1258 entry = g_malloc0(sizeof *entry); 1259 entry->value = vcpu; 1260 1261 *link = entry; 1262 link = &entry->next; 1263 } 1264 cpu_bits >>= 1; 1265 } 1266 } 1267 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); 1268 pslpi++; /* next entry */ 1269 } 1270 1271 g_free(ptr); 1272 1273 if (local_err == NULL) { 1274 if (head != NULL) { 1275 return head; 1276 } 1277 /* there's no guest with zero VCPUs */ 1278 error_setg(&local_err, "Guest reported zero VCPUs"); 1279 } 1280 1281 qapi_free_GuestLogicalProcessorList(head); 1282 error_propagate(errp, local_err); 1283 return NULL; 1284 } 1285 1286 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp) 1287 { 1288 error_setg(errp, QERR_UNSUPPORTED); 1289 return -1; 1290 } 1291 1292 static gchar * 1293 get_net_error_message(gint error) 1294 { 1295 HMODULE module = NULL; 1296 gchar *retval = NULL; 1297 wchar_t *msg = NULL; 1298 int flags; 1299 size_t nchars; 1300 1301 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER | 1302 FORMAT_MESSAGE_IGNORE_INSERTS | 1303 FORMAT_MESSAGE_FROM_SYSTEM; 1304 1305 if (error >= NERR_BASE && error <= MAX_NERR) { 1306 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE); 1307 1308 if (module != NULL) { 1309 flags |= FORMAT_MESSAGE_FROM_HMODULE; 1310 } 1311 } 1312 1313 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL); 1314 1315 if (msg != NULL) { 1316 nchars = wcslen(msg); 1317 1318 if (nchars >= 2 && 1319 msg[nchars - 1] == L'\n' && 1320 msg[nchars - 2] == L'\r') { 1321 msg[nchars - 2] = L'\0'; 1322 } 1323 1324 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL); 1325 1326 LocalFree(msg); 1327 } 1328 1329 if (module != NULL) { 1330 FreeLibrary(module); 1331 } 1332 1333 return retval; 1334 } 1335 1336 void qmp_guest_set_user_password(const char *username, 1337 const char *password, 1338 bool crypted, 1339 Error **errp) 1340 { 1341 NET_API_STATUS nas; 1342 char *rawpasswddata = NULL; 1343 size_t rawpasswdlen; 1344 wchar_t *user = NULL, *wpass = NULL; 1345 USER_INFO_1003 pi1003 = { 0, }; 1346 GError *gerr = NULL; 1347 1348 if (crypted) { 1349 error_setg(errp, QERR_UNSUPPORTED); 1350 return; 1351 } 1352 1353 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp); 1354 if (!rawpasswddata) { 1355 return; 1356 } 1357 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1); 1358 rawpasswddata[rawpasswdlen] = '\0'; 1359 1360 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr); 1361 if (!user) { 1362 goto done; 1363 } 1364 1365 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr); 1366 if (!wpass) { 1367 goto done; 1368 } 1369 1370 pi1003.usri1003_password = wpass; 1371 nas = NetUserSetInfo(NULL, user, 1372 1003, (LPBYTE)&pi1003, 1373 NULL); 1374 1375 if (nas != NERR_Success) { 1376 gchar *msg = get_net_error_message(nas); 1377 error_setg(errp, "failed to set password: %s", msg); 1378 g_free(msg); 1379 } 1380 1381 done: 1382 if (gerr) { 1383 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message); 1384 g_error_free(gerr); 1385 } 1386 g_free(user); 1387 g_free(wpass); 1388 g_free(rawpasswddata); 1389 } 1390 1391 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp) 1392 { 1393 error_setg(errp, QERR_UNSUPPORTED); 1394 return NULL; 1395 } 1396 1397 GuestMemoryBlockResponseList * 1398 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp) 1399 { 1400 error_setg(errp, QERR_UNSUPPORTED); 1401 return NULL; 1402 } 1403 1404 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp) 1405 { 1406 error_setg(errp, QERR_UNSUPPORTED); 1407 return NULL; 1408 } 1409 1410 /* add unsupported commands to the blacklist */ 1411 GList *ga_command_blacklist_init(GList *blacklist) 1412 { 1413 const char *list_unsupported[] = { 1414 "guest-suspend-hybrid", 1415 "guest-set-vcpus", 1416 "guest-get-memory-blocks", "guest-set-memory-blocks", 1417 "guest-get-memory-block-size", 1418 "guest-fsfreeze-freeze-list", 1419 "guest-fstrim", NULL}; 1420 char **p = (char **)list_unsupported; 1421 1422 while (*p) { 1423 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1424 } 1425 1426 if (!vss_init(true)) { 1427 g_debug("vss_init failed, vss commands are going to be disabled"); 1428 const char *list[] = { 1429 "guest-get-fsinfo", "guest-fsfreeze-status", 1430 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL}; 1431 p = (char **)list; 1432 1433 while (*p) { 1434 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1435 } 1436 } 1437 1438 return blacklist; 1439 } 1440 1441 /* register init/cleanup routines for stateful command groups */ 1442 void ga_command_state_init(GAState *s, GACommandState *cs) 1443 { 1444 if (!vss_initialized()) { 1445 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup); 1446 } 1447 } 1448