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 #include "qemu/osdep.h" 14 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 HAVE_NTDDSCSI 22 #include <winioctl.h> 23 #include <ntddscsi.h> 24 #endif 25 #include <setupapi.h> 26 #include <cfgmgr32.h> 27 #include <initguid.h> 28 #include <devpropdef.h> 29 #include <lm.h> 30 #include <wtsapi32.h> 31 #include <wininet.h> 32 33 #include "guest-agent-core.h" 34 #include "vss-win32.h" 35 #include "qga-qapi-commands.h" 36 #include "qapi/error.h" 37 #include "qapi/qmp/qerror.h" 38 #include "qemu/queue.h" 39 #include "qemu/host-utils.h" 40 #include "qemu/base64.h" 41 #include "commands-common.h" 42 43 /* 44 * The following should be in devpkey.h, but it isn't. The key names were 45 * prefixed to avoid (future) name clashes. Once the definitions get into 46 * mingw the following lines can be removed. 47 */ 48 DEFINE_DEVPROPKEY(qga_DEVPKEY_NAME, 0xb725f130, 0x47ef, 0x101a, 0xa5, 49 0xf1, 0x02, 0x60, 0x8c, 0x9e, 0xeb, 0xac, 10); 50 /* DEVPROP_TYPE_STRING */ 51 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_HardwareIds, 0xa45c254e, 0xdf1c, 52 0x4efd, 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 3); 53 /* DEVPROP_TYPE_STRING_LIST */ 54 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_DriverDate, 0xa8b865dd, 0x2e3d, 55 0x4094, 0xad, 0x97, 0xe5, 0x93, 0xa7, 0xc, 0x75, 0xd6, 2); 56 /* DEVPROP_TYPE_FILETIME */ 57 DEFINE_DEVPROPKEY(qga_DEVPKEY_Device_DriverVersion, 0xa8b865dd, 0x2e3d, 58 0x4094, 0xad, 0x97, 0xe5, 0x93, 0xa7, 0xc, 0x75, 0xd6, 3); 59 /* DEVPROP_TYPE_STRING */ 60 /* The CM_Get_DevNode_PropertyW prototype is only sometimes in cfgmgr32.h */ 61 #ifndef CM_Get_DevNode_Property 62 #pragma GCC diagnostic push 63 #pragma GCC diagnostic ignored "-Wredundant-decls" 64 CMAPI CONFIGRET WINAPI CM_Get_DevNode_PropertyW( 65 DEVINST dnDevInst, 66 CONST DEVPROPKEY * PropertyKey, 67 DEVPROPTYPE * PropertyType, 68 PBYTE PropertyBuffer, 69 PULONG PropertyBufferSize, 70 ULONG ulFlags 71 ); 72 #define CM_Get_DevNode_Property CM_Get_DevNode_PropertyW 73 #pragma GCC diagnostic pop 74 #endif 75 76 #ifndef SHTDN_REASON_FLAG_PLANNED 77 #define SHTDN_REASON_FLAG_PLANNED 0x80000000 78 #endif 79 80 /* multiple of 100 nanoseconds elapsed between windows baseline 81 * (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */ 82 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \ 83 (365 * (1970 - 1601) + \ 84 (1970 - 1601) / 4 - 3)) 85 86 #define INVALID_SET_FILE_POINTER ((DWORD)-1) 87 88 struct GuestFileHandle { 89 int64_t id; 90 HANDLE fh; 91 QTAILQ_ENTRY(GuestFileHandle) next; 92 }; 93 94 static struct { 95 QTAILQ_HEAD(, GuestFileHandle) filehandles; 96 } guest_file_state = { 97 .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles), 98 }; 99 100 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA) 101 102 typedef struct OpenFlags { 103 const char *forms; 104 DWORD desired_access; 105 DWORD creation_disposition; 106 } OpenFlags; 107 static OpenFlags guest_file_open_modes[] = { 108 {"r", GENERIC_READ, OPEN_EXISTING}, 109 {"rb", GENERIC_READ, OPEN_EXISTING}, 110 {"w", GENERIC_WRITE, CREATE_ALWAYS}, 111 {"wb", GENERIC_WRITE, CREATE_ALWAYS}, 112 {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS }, 113 {"r+", GENERIC_WRITE | GENERIC_READ, OPEN_EXISTING}, 114 {"rb+", GENERIC_WRITE | GENERIC_READ, OPEN_EXISTING}, 115 {"r+b", GENERIC_WRITE | GENERIC_READ, OPEN_EXISTING}, 116 {"w+", GENERIC_WRITE | GENERIC_READ, CREATE_ALWAYS}, 117 {"wb+", GENERIC_WRITE | GENERIC_READ, CREATE_ALWAYS}, 118 {"w+b", GENERIC_WRITE | GENERIC_READ, CREATE_ALWAYS}, 119 {"a+", FILE_GENERIC_APPEND | GENERIC_READ, OPEN_ALWAYS }, 120 {"ab+", FILE_GENERIC_APPEND | GENERIC_READ, OPEN_ALWAYS }, 121 {"a+b", FILE_GENERIC_APPEND | GENERIC_READ, OPEN_ALWAYS } 122 }; 123 124 #define debug_error(msg) do { \ 125 char *suffix = g_win32_error_message(GetLastError()); \ 126 g_debug("%s: %s", (msg), suffix); \ 127 g_free(suffix); \ 128 } while (0) 129 130 static OpenFlags *find_open_flag(const char *mode_str) 131 { 132 int mode; 133 Error **errp = NULL; 134 135 for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) { 136 OpenFlags *flags = guest_file_open_modes + mode; 137 138 if (strcmp(flags->forms, mode_str) == 0) { 139 return flags; 140 } 141 } 142 143 error_setg(errp, "invalid file open mode '%s'", mode_str); 144 return NULL; 145 } 146 147 static int64_t guest_file_handle_add(HANDLE fh, Error **errp) 148 { 149 GuestFileHandle *gfh; 150 int64_t handle; 151 152 handle = ga_get_fd_handle(ga_state, errp); 153 if (handle < 0) { 154 return -1; 155 } 156 gfh = g_new0(GuestFileHandle, 1); 157 gfh->id = handle; 158 gfh->fh = fh; 159 QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next); 160 161 return handle; 162 } 163 164 GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp) 165 { 166 GuestFileHandle *gfh; 167 QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) { 168 if (gfh->id == id) { 169 return gfh; 170 } 171 } 172 error_setg(errp, "handle '%" PRId64 "' has not been found", id); 173 return NULL; 174 } 175 176 static void handle_set_nonblocking(HANDLE fh) 177 { 178 DWORD file_type, pipe_state; 179 file_type = GetFileType(fh); 180 if (file_type != FILE_TYPE_PIPE) { 181 return; 182 } 183 /* If file_type == FILE_TYPE_PIPE, according to MSDN 184 * the specified file is socket or named pipe */ 185 if (!GetNamedPipeHandleState(fh, &pipe_state, NULL, 186 NULL, NULL, NULL, 0)) { 187 return; 188 } 189 /* The fd is named pipe fd */ 190 if (pipe_state & PIPE_NOWAIT) { 191 return; 192 } 193 194 pipe_state |= PIPE_NOWAIT; 195 SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL); 196 } 197 198 int64_t qmp_guest_file_open(const char *path, bool has_mode, 199 const char *mode, Error **errp) 200 { 201 int64_t fd = -1; 202 HANDLE fh; 203 HANDLE templ_file = NULL; 204 DWORD share_mode = FILE_SHARE_READ; 205 DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL; 206 LPSECURITY_ATTRIBUTES sa_attr = NULL; 207 OpenFlags *guest_flags; 208 GError *gerr = NULL; 209 wchar_t *w_path = NULL; 210 211 if (!has_mode) { 212 mode = "r"; 213 } 214 slog("guest-file-open called, filepath: %s, mode: %s", path, mode); 215 guest_flags = find_open_flag(mode); 216 if (guest_flags == NULL) { 217 error_setg(errp, "invalid file open mode"); 218 goto done; 219 } 220 221 w_path = g_utf8_to_utf16(path, -1, NULL, NULL, &gerr); 222 if (!w_path) { 223 goto done; 224 } 225 226 fh = CreateFileW(w_path, guest_flags->desired_access, share_mode, sa_attr, 227 guest_flags->creation_disposition, flags_and_attr, 228 templ_file); 229 if (fh == INVALID_HANDLE_VALUE) { 230 error_setg_win32(errp, GetLastError(), "failed to open file '%s'", 231 path); 232 goto done; 233 } 234 235 /* set fd non-blocking to avoid common use cases (like reading from a 236 * named pipe) from hanging the agent 237 */ 238 handle_set_nonblocking(fh); 239 240 fd = guest_file_handle_add(fh, errp); 241 if (fd < 0) { 242 CloseHandle(fh); 243 error_setg(errp, "failed to add handle to qmp handle table"); 244 goto done; 245 } 246 247 slog("guest-file-open, handle: % " PRId64, fd); 248 249 done: 250 if (gerr) { 251 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message); 252 g_error_free(gerr); 253 } 254 g_free(w_path); 255 return fd; 256 } 257 258 void qmp_guest_file_close(int64_t handle, Error **errp) 259 { 260 bool ret; 261 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 262 slog("guest-file-close called, handle: %" PRId64, handle); 263 if (gfh == NULL) { 264 return; 265 } 266 ret = CloseHandle(gfh->fh); 267 if (!ret) { 268 error_setg_win32(errp, GetLastError(), "failed close handle"); 269 return; 270 } 271 272 QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next); 273 g_free(gfh); 274 } 275 276 static void acquire_privilege(const char *name, Error **errp) 277 { 278 HANDLE token = NULL; 279 TOKEN_PRIVILEGES priv; 280 Error *local_err = NULL; 281 282 if (OpenProcessToken(GetCurrentProcess(), 283 TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token)) 284 { 285 if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) { 286 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 287 "no luid for requested privilege"); 288 goto out; 289 } 290 291 priv.PrivilegeCount = 1; 292 priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 293 294 if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) { 295 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 296 "unable to acquire requested privilege"); 297 goto out; 298 } 299 300 } else { 301 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 302 "failed to open privilege token"); 303 } 304 305 out: 306 if (token) { 307 CloseHandle(token); 308 } 309 error_propagate(errp, local_err); 310 } 311 312 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque, 313 Error **errp) 314 { 315 HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL); 316 if (!thread) { 317 error_setg(errp, QERR_QGA_COMMAND_FAILED, 318 "failed to dispatch asynchronous command"); 319 } 320 } 321 322 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) 323 { 324 Error *local_err = NULL; 325 UINT shutdown_flag = EWX_FORCE; 326 327 slog("guest-shutdown called, mode: %s", mode); 328 329 if (!has_mode || strcmp(mode, "powerdown") == 0) { 330 shutdown_flag |= EWX_POWEROFF; 331 } else if (strcmp(mode, "halt") == 0) { 332 shutdown_flag |= EWX_SHUTDOWN; 333 } else if (strcmp(mode, "reboot") == 0) { 334 shutdown_flag |= EWX_REBOOT; 335 } else { 336 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode", 337 "'halt', 'powerdown', or 'reboot'"); 338 return; 339 } 340 341 /* Request a shutdown privilege, but try to shut down the system 342 anyway. */ 343 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 344 if (local_err) { 345 error_propagate(errp, local_err); 346 return; 347 } 348 349 if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) { 350 g_autofree gchar *emsg = g_win32_error_message(GetLastError()); 351 slog("guest-shutdown failed: %s", emsg); 352 error_setg_win32(errp, GetLastError(), "guest-shutdown failed"); 353 } 354 } 355 356 GuestFileRead *guest_file_read_unsafe(GuestFileHandle *gfh, 357 int64_t count, Error **errp) 358 { 359 GuestFileRead *read_data = NULL; 360 guchar *buf; 361 HANDLE fh = gfh->fh; 362 bool is_ok; 363 DWORD read_count; 364 365 buf = g_malloc0(count + 1); 366 is_ok = ReadFile(fh, buf, count, &read_count, NULL); 367 if (!is_ok) { 368 error_setg_win32(errp, GetLastError(), "failed to read file"); 369 } else { 370 buf[read_count] = 0; 371 read_data = g_new0(GuestFileRead, 1); 372 read_data->count = (size_t)read_count; 373 read_data->eof = read_count == 0; 374 375 if (read_count != 0) { 376 read_data->buf_b64 = g_base64_encode(buf, read_count); 377 } 378 } 379 g_free(buf); 380 381 return read_data; 382 } 383 384 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64, 385 bool has_count, int64_t count, 386 Error **errp) 387 { 388 GuestFileWrite *write_data = NULL; 389 guchar *buf; 390 gsize buf_len; 391 bool is_ok; 392 DWORD write_count; 393 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 394 HANDLE fh; 395 396 if (!gfh) { 397 return NULL; 398 } 399 fh = gfh->fh; 400 buf = qbase64_decode(buf_b64, -1, &buf_len, errp); 401 if (!buf) { 402 return NULL; 403 } 404 405 if (!has_count) { 406 count = buf_len; 407 } else if (count < 0 || count > buf_len) { 408 error_setg(errp, "value '%" PRId64 409 "' is invalid for argument count", count); 410 goto done; 411 } 412 413 is_ok = WriteFile(fh, buf, count, &write_count, NULL); 414 if (!is_ok) { 415 error_setg_win32(errp, GetLastError(), "failed to write to file"); 416 slog("guest-file-write-failed, handle: %" PRId64, handle); 417 } else { 418 write_data = g_new0(GuestFileWrite, 1); 419 write_data->count = (size_t) write_count; 420 } 421 422 done: 423 g_free(buf); 424 return write_data; 425 } 426 427 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset, 428 GuestFileWhence *whence_code, 429 Error **errp) 430 { 431 GuestFileHandle *gfh; 432 GuestFileSeek *seek_data; 433 HANDLE fh; 434 LARGE_INTEGER new_pos, off_pos; 435 off_pos.QuadPart = offset; 436 BOOL res; 437 int whence; 438 Error *err = NULL; 439 440 gfh = guest_file_handle_find(handle, errp); 441 if (!gfh) { 442 return NULL; 443 } 444 445 /* We stupidly exposed 'whence':'int' in our qapi */ 446 whence = ga_parse_whence(whence_code, &err); 447 if (err) { 448 error_propagate(errp, err); 449 return NULL; 450 } 451 452 fh = gfh->fh; 453 res = SetFilePointerEx(fh, off_pos, &new_pos, whence); 454 if (!res) { 455 error_setg_win32(errp, GetLastError(), "failed to seek file"); 456 return NULL; 457 } 458 seek_data = g_new0(GuestFileSeek, 1); 459 seek_data->position = new_pos.QuadPart; 460 return seek_data; 461 } 462 463 void qmp_guest_file_flush(int64_t handle, Error **errp) 464 { 465 HANDLE fh; 466 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 467 if (!gfh) { 468 return; 469 } 470 471 fh = gfh->fh; 472 if (!FlushFileBuffers(fh)) { 473 error_setg_win32(errp, GetLastError(), "failed to flush file"); 474 } 475 } 476 477 #ifdef HAVE_NTDDSCSI 478 479 static GuestDiskBusType win2qemu[] = { 480 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN, 481 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI, 482 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE, 483 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE, 484 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394, 485 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA, 486 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA, 487 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB, 488 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID, 489 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI, 490 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS, 491 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA, 492 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD, 493 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC, 494 #if (_WIN32_WINNT >= 0x0601) 495 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL, 496 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL, 497 #endif 498 }; 499 500 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus) 501 { 502 if (bus >= ARRAY_SIZE(win2qemu) || (int)bus < 0) { 503 return GUEST_DISK_BUS_TYPE_UNKNOWN; 504 } 505 return win2qemu[(int)bus]; 506 } 507 508 DEFINE_GUID(GUID_DEVINTERFACE_DISK, 509 0x53f56307L, 0xb6bf, 0x11d0, 0x94, 0xf2, 510 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); 511 DEFINE_GUID(GUID_DEVINTERFACE_STORAGEPORT, 512 0x2accfe60L, 0xc130, 0x11d2, 0xb0, 0x82, 513 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); 514 515 static void get_pci_address_for_device(GuestPCIAddress *pci, 516 HDEVINFO dev_info) 517 { 518 SP_DEVINFO_DATA dev_info_data; 519 DWORD j; 520 DWORD size; 521 bool partial_pci = false; 522 523 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); 524 525 for (j = 0; 526 SetupDiEnumDeviceInfo(dev_info, j, &dev_info_data); 527 j++) { 528 DWORD addr, bus, ui_slot, type; 529 int func, slot; 530 size = sizeof(DWORD); 531 532 /* 533 * There is no need to allocate buffer in the next functions. The 534 * size is known and ULONG according to 535 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx 536 */ 537 if (!SetupDiGetDeviceRegistryProperty( 538 dev_info, &dev_info_data, SPDRP_BUSNUMBER, 539 &type, (PBYTE)&bus, size, NULL)) { 540 debug_error("failed to get PCI bus"); 541 bus = -1; 542 partial_pci = true; 543 } 544 545 /* 546 * The function retrieves the device's address. This value will be 547 * transformed into device function and number 548 */ 549 if (!SetupDiGetDeviceRegistryProperty( 550 dev_info, &dev_info_data, SPDRP_ADDRESS, 551 &type, (PBYTE)&addr, size, NULL)) { 552 debug_error("failed to get PCI address"); 553 addr = -1; 554 partial_pci = true; 555 } 556 557 /* 558 * This call returns UINumber of DEVICE_CAPABILITIES structure. 559 * This number is typically a user-perceived slot number. 560 */ 561 if (!SetupDiGetDeviceRegistryProperty( 562 dev_info, &dev_info_data, SPDRP_UI_NUMBER, 563 &type, (PBYTE)&ui_slot, size, NULL)) { 564 debug_error("failed to get PCI slot"); 565 ui_slot = -1; 566 partial_pci = true; 567 } 568 569 /* 570 * SetupApi gives us the same information as driver with 571 * IoGetDeviceProperty. According to Microsoft: 572 * 573 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF) 574 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF) 575 * SPDRP_ADDRESS is propertyAddress, so we do the same. 576 * 577 * https://docs.microsoft.com/en-us/windows/desktop/api/setupapi/nf-setupapi-setupdigetdeviceregistrypropertya 578 */ 579 if (partial_pci) { 580 pci->domain = -1; 581 pci->slot = -1; 582 pci->function = -1; 583 pci->bus = -1; 584 continue; 585 } else { 586 func = ((int)addr == -1) ? -1 : addr & 0x0000FFFF; 587 slot = ((int)addr == -1) ? -1 : (addr >> 16) & 0x0000FFFF; 588 if ((int)ui_slot != slot) { 589 g_debug("mismatch with reported slot values: %d vs %d", 590 (int)ui_slot, slot); 591 } 592 pci->domain = 0; 593 pci->slot = (int)ui_slot; 594 pci->function = func; 595 pci->bus = (int)bus; 596 return; 597 } 598 } 599 } 600 601 static GuestPCIAddress *get_pci_info(int number, Error **errp) 602 { 603 HDEVINFO dev_info = INVALID_HANDLE_VALUE; 604 HDEVINFO parent_dev_info = INVALID_HANDLE_VALUE; 605 606 SP_DEVINFO_DATA dev_info_data; 607 SP_DEVICE_INTERFACE_DATA dev_iface_data; 608 HANDLE dev_file; 609 int i; 610 GuestPCIAddress *pci = NULL; 611 612 pci = g_malloc0(sizeof(*pci)); 613 pci->domain = -1; 614 pci->slot = -1; 615 pci->function = -1; 616 pci->bus = -1; 617 618 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0, 619 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); 620 if (dev_info == INVALID_HANDLE_VALUE) { 621 error_setg_win32(errp, GetLastError(), "failed to get devices tree"); 622 goto end; 623 } 624 625 g_debug("enumerating devices"); 626 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); 627 dev_iface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA); 628 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) { 629 g_autofree PSP_DEVICE_INTERFACE_DETAIL_DATA pdev_iface_detail_data = NULL; 630 STORAGE_DEVICE_NUMBER sdn; 631 g_autofree char *parent_dev_id = NULL; 632 SP_DEVINFO_DATA parent_dev_info_data; 633 DWORD size = 0; 634 635 g_debug("getting device path"); 636 if (SetupDiEnumDeviceInterfaces(dev_info, &dev_info_data, 637 &GUID_DEVINTERFACE_DISK, 0, 638 &dev_iface_data)) { 639 if (!SetupDiGetDeviceInterfaceDetail(dev_info, &dev_iface_data, 640 pdev_iface_detail_data, 641 size, &size, 642 &dev_info_data)) { 643 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { 644 pdev_iface_detail_data = g_malloc(size); 645 pdev_iface_detail_data->cbSize = 646 sizeof(*pdev_iface_detail_data); 647 } else { 648 error_setg_win32(errp, GetLastError(), 649 "failed to get device interfaces"); 650 goto end; 651 } 652 } 653 654 if (!SetupDiGetDeviceInterfaceDetail(dev_info, &dev_iface_data, 655 pdev_iface_detail_data, 656 size, &size, 657 &dev_info_data)) { 658 // pdev_iface_detail_data already is allocated 659 error_setg_win32(errp, GetLastError(), 660 "failed to get device interfaces"); 661 goto end; 662 } 663 664 dev_file = CreateFile(pdev_iface_detail_data->DevicePath, 0, 665 FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 666 NULL); 667 668 if (!DeviceIoControl(dev_file, IOCTL_STORAGE_GET_DEVICE_NUMBER, 669 NULL, 0, &sdn, sizeof(sdn), &size, NULL)) { 670 CloseHandle(dev_file); 671 error_setg_win32(errp, GetLastError(), 672 "failed to get device slot number"); 673 goto end; 674 } 675 676 CloseHandle(dev_file); 677 if (sdn.DeviceNumber != number) { 678 continue; 679 } 680 } else { 681 error_setg_win32(errp, GetLastError(), 682 "failed to get device interfaces"); 683 goto end; 684 } 685 686 g_debug("found device slot %d. Getting storage controller", number); 687 { 688 CONFIGRET cr; 689 DEVINST dev_inst, parent_dev_inst; 690 ULONG dev_id_size = 0; 691 692 size = 0; 693 if (!SetupDiGetDeviceInstanceId(dev_info, &dev_info_data, 694 parent_dev_id, size, &size)) { 695 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { 696 parent_dev_id = g_malloc(size); 697 } else { 698 error_setg_win32(errp, GetLastError(), 699 "failed to get device instance ID"); 700 goto end; 701 } 702 } 703 704 if (!SetupDiGetDeviceInstanceId(dev_info, &dev_info_data, 705 parent_dev_id, size, &size)) { 706 // parent_dev_id already is allocated 707 error_setg_win32(errp, GetLastError(), 708 "failed to get device instance ID"); 709 goto end; 710 } 711 712 /* 713 * CM API used here as opposed to 714 * SetupDiGetDeviceProperty(..., DEVPKEY_Device_Parent, ...) 715 * which exports are only available in mingw-w64 6+ 716 */ 717 cr = CM_Locate_DevInst(&dev_inst, parent_dev_id, 0); 718 if (cr != CR_SUCCESS) { 719 g_error("CM_Locate_DevInst failed with code %lx", cr); 720 error_setg_win32(errp, GetLastError(), 721 "failed to get device instance"); 722 goto end; 723 } 724 cr = CM_Get_Parent(&parent_dev_inst, dev_inst, 0); 725 if (cr != CR_SUCCESS) { 726 g_error("CM_Get_Parent failed with code %lx", cr); 727 error_setg_win32(errp, GetLastError(), 728 "failed to get parent device instance"); 729 goto end; 730 } 731 732 cr = CM_Get_Device_ID_Size(&dev_id_size, parent_dev_inst, 0); 733 if (cr != CR_SUCCESS) { 734 g_error("CM_Get_Device_ID_Size failed with code %lx", cr); 735 error_setg_win32(errp, GetLastError(), 736 "failed to get parent device ID length"); 737 goto end; 738 } 739 740 ++dev_id_size; 741 if (dev_id_size > size) { 742 g_free(parent_dev_id); 743 parent_dev_id = g_malloc(dev_id_size); 744 } 745 746 cr = CM_Get_Device_ID(parent_dev_inst, parent_dev_id, dev_id_size, 747 0); 748 if (cr != CR_SUCCESS) { 749 g_error("CM_Get_Device_ID failed with code %lx", cr); 750 error_setg_win32(errp, GetLastError(), 751 "failed to get parent device ID"); 752 goto end; 753 } 754 } 755 756 g_debug("querying storage controller %s for PCI information", 757 parent_dev_id); 758 parent_dev_info = 759 SetupDiGetClassDevs(&GUID_DEVINTERFACE_STORAGEPORT, parent_dev_id, 760 NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); 761 762 if (parent_dev_info == INVALID_HANDLE_VALUE) { 763 error_setg_win32(errp, GetLastError(), 764 "failed to get parent device"); 765 goto end; 766 } 767 768 parent_dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); 769 if (!SetupDiEnumDeviceInfo(parent_dev_info, 0, &parent_dev_info_data)) { 770 error_setg_win32(errp, GetLastError(), 771 "failed to get parent device data"); 772 goto end; 773 } 774 775 get_pci_address_for_device(pci, parent_dev_info); 776 777 break; 778 } 779 780 end: 781 if (parent_dev_info != INVALID_HANDLE_VALUE) { 782 SetupDiDestroyDeviceInfoList(parent_dev_info); 783 } 784 if (dev_info != INVALID_HANDLE_VALUE) { 785 SetupDiDestroyDeviceInfoList(dev_info); 786 } 787 return pci; 788 } 789 790 static void get_disk_properties(HANDLE vol_h, GuestDiskAddress *disk, 791 Error **errp) 792 { 793 STORAGE_PROPERTY_QUERY query; 794 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf; 795 DWORD received; 796 ULONG size = sizeof(buf); 797 798 dev_desc = &buf; 799 query.PropertyId = StorageDeviceProperty; 800 query.QueryType = PropertyStandardQuery; 801 802 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query, 803 sizeof(STORAGE_PROPERTY_QUERY), dev_desc, 804 size, &received, NULL)) { 805 error_setg_win32(errp, GetLastError(), "failed to get bus type"); 806 return; 807 } 808 disk->bus_type = find_bus_type(dev_desc->BusType); 809 g_debug("bus type %d", disk->bus_type); 810 811 /* Query once more. Now with long enough buffer. */ 812 size = dev_desc->Size; 813 dev_desc = g_malloc0(size); 814 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query, 815 sizeof(STORAGE_PROPERTY_QUERY), dev_desc, 816 size, &received, NULL)) { 817 error_setg_win32(errp, GetLastError(), "failed to get serial number"); 818 g_debug("failed to get serial number"); 819 goto out_free; 820 } 821 if (dev_desc->SerialNumberOffset > 0) { 822 const char *serial; 823 size_t len; 824 825 if (dev_desc->SerialNumberOffset >= received) { 826 error_setg(errp, "failed to get serial number: offset outside the buffer"); 827 g_debug("serial number offset outside the buffer"); 828 goto out_free; 829 } 830 serial = (char *)dev_desc + dev_desc->SerialNumberOffset; 831 len = received - dev_desc->SerialNumberOffset; 832 g_debug("serial number \"%s\"", serial); 833 if (*serial != 0) { 834 disk->serial = g_strndup(serial, len); 835 disk->has_serial = true; 836 } 837 } 838 out_free: 839 g_free(dev_desc); 840 841 return; 842 } 843 844 static void get_single_disk_info(int disk_number, 845 GuestDiskAddress *disk, Error **errp) 846 { 847 SCSI_ADDRESS addr, *scsi_ad; 848 DWORD len; 849 HANDLE disk_h; 850 Error *local_err = NULL; 851 852 scsi_ad = &addr; 853 854 g_debug("getting disk info for: %s", disk->dev); 855 disk_h = CreateFile(disk->dev, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 856 0, NULL); 857 if (disk_h == INVALID_HANDLE_VALUE) { 858 error_setg_win32(errp, GetLastError(), "failed to open disk"); 859 return; 860 } 861 862 get_disk_properties(disk_h, disk, &local_err); 863 if (local_err) { 864 error_propagate(errp, local_err); 865 goto err_close; 866 } 867 868 g_debug("bus type %d", disk->bus_type); 869 /* always set pci_controller as required by schema. get_pci_info() should 870 * report -1 values for non-PCI buses rather than fail. fail the command 871 * if that doesn't hold since that suggests some other unexpected 872 * breakage 873 */ 874 disk->pci_controller = get_pci_info(disk_number, &local_err); 875 if (local_err) { 876 error_propagate(errp, local_err); 877 goto err_close; 878 } 879 if (disk->bus_type == GUEST_DISK_BUS_TYPE_SCSI 880 || disk->bus_type == GUEST_DISK_BUS_TYPE_IDE 881 || disk->bus_type == GUEST_DISK_BUS_TYPE_RAID 882 /* This bus type is not supported before Windows Server 2003 SP1 */ 883 || disk->bus_type == GUEST_DISK_BUS_TYPE_SAS 884 ) { 885 /* We are able to use the same ioctls for different bus types 886 * according to Microsoft docs 887 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */ 888 g_debug("getting SCSI info"); 889 if (DeviceIoControl(disk_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad, 890 sizeof(SCSI_ADDRESS), &len, NULL)) { 891 disk->unit = addr.Lun; 892 disk->target = addr.TargetId; 893 disk->bus = addr.PathId; 894 } 895 /* We do not set error in this case, because we still have enough 896 * information about volume. */ 897 } 898 899 err_close: 900 CloseHandle(disk_h); 901 return; 902 } 903 904 /* VSS provider works with volumes, thus there is no difference if 905 * the volume consist of spanned disks. Info about the first disk in the 906 * volume is returned for the spanned disk group (LVM) */ 907 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 908 { 909 Error *local_err = NULL; 910 GuestDiskAddressList *list = NULL; 911 GuestDiskAddress *disk = NULL; 912 int i; 913 HANDLE vol_h; 914 DWORD size; 915 PVOLUME_DISK_EXTENTS extents = NULL; 916 917 /* strip final backslash */ 918 char *name = g_strdup(guid); 919 if (g_str_has_suffix(name, "\\")) { 920 name[strlen(name) - 1] = 0; 921 } 922 923 g_debug("opening %s", name); 924 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 925 0, NULL); 926 if (vol_h == INVALID_HANDLE_VALUE) { 927 error_setg_win32(errp, GetLastError(), "failed to open volume"); 928 goto out; 929 } 930 931 /* Get list of extents */ 932 g_debug("getting disk extents"); 933 size = sizeof(VOLUME_DISK_EXTENTS); 934 extents = g_malloc0(size); 935 if (!DeviceIoControl(vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL, 936 0, extents, size, &size, NULL)) { 937 DWORD last_err = GetLastError(); 938 if (last_err == ERROR_MORE_DATA) { 939 /* Try once more with big enough buffer */ 940 g_free(extents); 941 extents = g_malloc0(size); 942 if (!DeviceIoControl( 943 vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL, 944 0, extents, size, NULL, NULL)) { 945 error_setg_win32(errp, GetLastError(), 946 "failed to get disk extents"); 947 goto out; 948 } 949 } else if (last_err == ERROR_INVALID_FUNCTION) { 950 /* Possibly CD-ROM or a shared drive. Try to pass the volume */ 951 g_debug("volume not on disk"); 952 disk = g_malloc0(sizeof(GuestDiskAddress)); 953 disk->has_dev = true; 954 disk->dev = g_strdup(name); 955 get_single_disk_info(0xffffffff, disk, &local_err); 956 if (local_err) { 957 g_debug("failed to get disk info, ignoring error: %s", 958 error_get_pretty(local_err)); 959 error_free(local_err); 960 goto out; 961 } 962 QAPI_LIST_PREPEND(list, disk); 963 disk = NULL; 964 goto out; 965 } else { 966 error_setg_win32(errp, GetLastError(), 967 "failed to get disk extents"); 968 goto out; 969 } 970 } 971 g_debug("Number of extents: %lu", extents->NumberOfDiskExtents); 972 973 /* Go through each extent */ 974 for (i = 0; i < extents->NumberOfDiskExtents; i++) { 975 disk = g_malloc0(sizeof(GuestDiskAddress)); 976 977 /* Disk numbers directly correspond to numbers used in UNCs 978 * 979 * See documentation for DISK_EXTENT: 980 * https://docs.microsoft.com/en-us/windows/desktop/api/winioctl/ns-winioctl-_disk_extent 981 * 982 * See also Naming Files, Paths and Namespaces: 983 * https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#win32-device-namespaces 984 */ 985 disk->has_dev = true; 986 disk->dev = g_strdup_printf("\\\\.\\PhysicalDrive%lu", 987 extents->Extents[i].DiskNumber); 988 989 get_single_disk_info(extents->Extents[i].DiskNumber, disk, &local_err); 990 if (local_err) { 991 error_propagate(errp, local_err); 992 goto out; 993 } 994 QAPI_LIST_PREPEND(list, disk); 995 disk = NULL; 996 } 997 998 999 out: 1000 if (vol_h != INVALID_HANDLE_VALUE) { 1001 CloseHandle(vol_h); 1002 } 1003 qapi_free_GuestDiskAddress(disk); 1004 g_free(extents); 1005 g_free(name); 1006 1007 return list; 1008 } 1009 1010 GuestDiskInfoList *qmp_guest_get_disks(Error **errp) 1011 { 1012 GuestDiskInfoList *ret = NULL; 1013 HDEVINFO dev_info; 1014 SP_DEVICE_INTERFACE_DATA dev_iface_data; 1015 int i; 1016 1017 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0, 1018 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); 1019 if (dev_info == INVALID_HANDLE_VALUE) { 1020 error_setg_win32(errp, GetLastError(), "failed to get device tree"); 1021 return NULL; 1022 } 1023 1024 g_debug("enumerating devices"); 1025 dev_iface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA); 1026 for (i = 0; 1027 SetupDiEnumDeviceInterfaces(dev_info, NULL, &GUID_DEVINTERFACE_DISK, 1028 i, &dev_iface_data); 1029 i++) { 1030 GuestDiskAddress *address = NULL; 1031 GuestDiskInfo *disk = NULL; 1032 Error *local_err = NULL; 1033 g_autofree PSP_DEVICE_INTERFACE_DETAIL_DATA 1034 pdev_iface_detail_data = NULL; 1035 STORAGE_DEVICE_NUMBER sdn; 1036 HANDLE dev_file; 1037 DWORD size = 0; 1038 BOOL result; 1039 int attempt; 1040 1041 g_debug(" getting device path"); 1042 for (attempt = 0, result = FALSE; attempt < 2 && !result; attempt++) { 1043 result = SetupDiGetDeviceInterfaceDetail(dev_info, 1044 &dev_iface_data, pdev_iface_detail_data, size, &size, NULL); 1045 if (result) { 1046 break; 1047 } 1048 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { 1049 pdev_iface_detail_data = g_realloc(pdev_iface_detail_data, 1050 size); 1051 pdev_iface_detail_data->cbSize = 1052 sizeof(*pdev_iface_detail_data); 1053 } else { 1054 g_debug("failed to get device interface details"); 1055 break; 1056 } 1057 } 1058 if (!result) { 1059 g_debug("skipping device"); 1060 continue; 1061 } 1062 1063 g_debug(" device: %s", pdev_iface_detail_data->DevicePath); 1064 dev_file = CreateFile(pdev_iface_detail_data->DevicePath, 0, 1065 FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL); 1066 if (!DeviceIoControl(dev_file, IOCTL_STORAGE_GET_DEVICE_NUMBER, 1067 NULL, 0, &sdn, sizeof(sdn), &size, NULL)) { 1068 CloseHandle(dev_file); 1069 debug_error("failed to get storage device number"); 1070 continue; 1071 } 1072 CloseHandle(dev_file); 1073 1074 disk = g_new0(GuestDiskInfo, 1); 1075 disk->name = g_strdup_printf("\\\\.\\PhysicalDrive%lu", 1076 sdn.DeviceNumber); 1077 1078 g_debug(" number: %lu", sdn.DeviceNumber); 1079 address = g_malloc0(sizeof(GuestDiskAddress)); 1080 address->has_dev = true; 1081 address->dev = g_strdup(disk->name); 1082 get_single_disk_info(sdn.DeviceNumber, address, &local_err); 1083 if (local_err) { 1084 g_debug("failed to get disk info: %s", 1085 error_get_pretty(local_err)); 1086 error_free(local_err); 1087 qapi_free_GuestDiskAddress(address); 1088 address = NULL; 1089 } else { 1090 disk->address = address; 1091 disk->has_address = true; 1092 } 1093 1094 QAPI_LIST_PREPEND(ret, disk); 1095 } 1096 1097 SetupDiDestroyDeviceInfoList(dev_info); 1098 return ret; 1099 } 1100 1101 #else 1102 1103 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 1104 { 1105 return NULL; 1106 } 1107 1108 GuestDiskInfoList *qmp_guest_get_disks(Error **errp) 1109 { 1110 error_setg(errp, QERR_UNSUPPORTED); 1111 return NULL; 1112 } 1113 1114 #endif /* HAVE_NTDDSCSI */ 1115 1116 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp) 1117 { 1118 DWORD info_size; 1119 char mnt, *mnt_point; 1120 wchar_t wfs_name[32]; 1121 char fs_name[32]; 1122 wchar_t vol_info[MAX_PATH + 1]; 1123 size_t len; 1124 uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes; 1125 GuestFilesystemInfo *fs = NULL; 1126 HANDLE hLocalDiskHandle = INVALID_HANDLE_VALUE; 1127 1128 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size); 1129 if (GetLastError() != ERROR_MORE_DATA) { 1130 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 1131 return NULL; 1132 } 1133 1134 mnt_point = g_malloc(info_size + 1); 1135 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size, 1136 &info_size)) { 1137 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 1138 goto free; 1139 } 1140 1141 hLocalDiskHandle = CreateFile(guid, 0 , 0, NULL, OPEN_EXISTING, 1142 FILE_ATTRIBUTE_NORMAL | 1143 FILE_FLAG_BACKUP_SEMANTICS, NULL); 1144 if (INVALID_HANDLE_VALUE == hLocalDiskHandle) { 1145 error_setg_win32(errp, GetLastError(), "failed to get handle for volume"); 1146 goto free; 1147 } 1148 1149 len = strlen(mnt_point); 1150 mnt_point[len] = '\\'; 1151 mnt_point[len + 1] = 0; 1152 1153 if (!GetVolumeInformationByHandleW(hLocalDiskHandle, vol_info, 1154 sizeof(vol_info), NULL, NULL, NULL, 1155 (LPWSTR) & wfs_name, sizeof(wfs_name))) { 1156 if (GetLastError() != ERROR_NOT_READY) { 1157 error_setg_win32(errp, GetLastError(), "failed to get volume info"); 1158 } 1159 goto free; 1160 } 1161 1162 fs = g_malloc(sizeof(*fs)); 1163 fs->name = g_strdup(guid); 1164 fs->has_total_bytes = false; 1165 fs->has_used_bytes = false; 1166 if (len == 0) { 1167 fs->mountpoint = g_strdup("System Reserved"); 1168 } else { 1169 fs->mountpoint = g_strndup(mnt_point, len); 1170 if (GetDiskFreeSpaceEx(fs->mountpoint, 1171 (PULARGE_INTEGER) & i64FreeBytesToCaller, 1172 (PULARGE_INTEGER) & i64TotalBytes, 1173 (PULARGE_INTEGER) & i64FreeBytes)) { 1174 fs->used_bytes = i64TotalBytes - i64FreeBytes; 1175 fs->total_bytes = i64TotalBytes; 1176 fs->has_total_bytes = true; 1177 fs->has_used_bytes = true; 1178 } 1179 } 1180 wcstombs(fs_name, wfs_name, sizeof(wfs_name)); 1181 fs->type = g_strdup(fs_name); 1182 fs->disk = build_guest_disk_info(guid, errp); 1183 free: 1184 if (hLocalDiskHandle != INVALID_HANDLE_VALUE) { 1185 CloseHandle(hLocalDiskHandle); 1186 } 1187 g_free(mnt_point); 1188 return fs; 1189 } 1190 1191 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp) 1192 { 1193 HANDLE vol_h; 1194 GuestFilesystemInfoList *ret = NULL; 1195 char guid[256]; 1196 1197 vol_h = FindFirstVolume(guid, sizeof(guid)); 1198 if (vol_h == INVALID_HANDLE_VALUE) { 1199 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 1200 return NULL; 1201 } 1202 1203 do { 1204 Error *local_err = NULL; 1205 GuestFilesystemInfo *info = build_guest_fsinfo(guid, &local_err); 1206 if (local_err) { 1207 g_debug("failed to get filesystem info, ignoring error: %s", 1208 error_get_pretty(local_err)); 1209 error_free(local_err); 1210 continue; 1211 } 1212 QAPI_LIST_PREPEND(ret, info); 1213 } while (FindNextVolume(vol_h, guid, sizeof(guid))); 1214 1215 if (GetLastError() != ERROR_NO_MORE_FILES) { 1216 error_setg_win32(errp, GetLastError(), "failed to find next volume"); 1217 } 1218 1219 FindVolumeClose(vol_h); 1220 return ret; 1221 } 1222 1223 /* 1224 * Return status of freeze/thaw 1225 */ 1226 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp) 1227 { 1228 if (!vss_initialized()) { 1229 error_setg(errp, QERR_UNSUPPORTED); 1230 return 0; 1231 } 1232 1233 if (ga_is_frozen(ga_state)) { 1234 return GUEST_FSFREEZE_STATUS_FROZEN; 1235 } 1236 1237 return GUEST_FSFREEZE_STATUS_THAWED; 1238 } 1239 1240 /* 1241 * Freeze local file systems using Volume Shadow-copy Service. 1242 * The frozen state is limited for up to 10 seconds by VSS. 1243 */ 1244 int64_t qmp_guest_fsfreeze_freeze(Error **errp) 1245 { 1246 return qmp_guest_fsfreeze_freeze_list(false, NULL, errp); 1247 } 1248 1249 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, 1250 strList *mountpoints, 1251 Error **errp) 1252 { 1253 int i; 1254 Error *local_err = NULL; 1255 1256 if (!vss_initialized()) { 1257 error_setg(errp, QERR_UNSUPPORTED); 1258 return 0; 1259 } 1260 1261 slog("guest-fsfreeze called"); 1262 1263 /* cannot risk guest agent blocking itself on a write in this state */ 1264 ga_set_frozen(ga_state); 1265 1266 qga_vss_fsfreeze(&i, true, mountpoints, &local_err); 1267 if (local_err) { 1268 error_propagate(errp, local_err); 1269 goto error; 1270 } 1271 1272 return i; 1273 1274 error: 1275 local_err = NULL; 1276 qmp_guest_fsfreeze_thaw(&local_err); 1277 if (local_err) { 1278 g_debug("cleanup thaw: %s", error_get_pretty(local_err)); 1279 error_free(local_err); 1280 } 1281 return 0; 1282 } 1283 1284 /* 1285 * Thaw local file systems using Volume Shadow-copy Service. 1286 */ 1287 int64_t qmp_guest_fsfreeze_thaw(Error **errp) 1288 { 1289 int i; 1290 1291 if (!vss_initialized()) { 1292 error_setg(errp, QERR_UNSUPPORTED); 1293 return 0; 1294 } 1295 1296 qga_vss_fsfreeze(&i, false, NULL, errp); 1297 1298 ga_unset_frozen(ga_state); 1299 return i; 1300 } 1301 1302 static void guest_fsfreeze_cleanup(void) 1303 { 1304 Error *err = NULL; 1305 1306 if (!vss_initialized()) { 1307 return; 1308 } 1309 1310 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) { 1311 qmp_guest_fsfreeze_thaw(&err); 1312 if (err) { 1313 slog("failed to clean up frozen filesystems: %s", 1314 error_get_pretty(err)); 1315 error_free(err); 1316 } 1317 } 1318 1319 vss_deinit(true); 1320 } 1321 1322 /* 1323 * Walk list of mounted file systems in the guest, and discard unused 1324 * areas. 1325 */ 1326 GuestFilesystemTrimResponse * 1327 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) 1328 { 1329 GuestFilesystemTrimResponse *resp; 1330 HANDLE handle; 1331 WCHAR guid[MAX_PATH] = L""; 1332 OSVERSIONINFO osvi; 1333 BOOL win8_or_later; 1334 1335 ZeroMemory(&osvi, sizeof(OSVERSIONINFO)); 1336 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1337 GetVersionEx(&osvi); 1338 win8_or_later = (osvi.dwMajorVersion > 6 || 1339 ((osvi.dwMajorVersion == 6) && 1340 (osvi.dwMinorVersion >= 2))); 1341 if (!win8_or_later) { 1342 error_setg(errp, "fstrim is only supported for Win8+"); 1343 return NULL; 1344 } 1345 1346 handle = FindFirstVolumeW(guid, ARRAYSIZE(guid)); 1347 if (handle == INVALID_HANDLE_VALUE) { 1348 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 1349 return NULL; 1350 } 1351 1352 resp = g_new0(GuestFilesystemTrimResponse, 1); 1353 1354 do { 1355 GuestFilesystemTrimResult *res; 1356 PWCHAR uc_path; 1357 DWORD char_count = 0; 1358 char *path, *out; 1359 GError *gerr = NULL; 1360 gchar *argv[4]; 1361 1362 GetVolumePathNamesForVolumeNameW(guid, NULL, 0, &char_count); 1363 1364 if (GetLastError() != ERROR_MORE_DATA) { 1365 continue; 1366 } 1367 if (GetDriveTypeW(guid) != DRIVE_FIXED) { 1368 continue; 1369 } 1370 1371 uc_path = g_malloc(sizeof(WCHAR) * char_count); 1372 if (!GetVolumePathNamesForVolumeNameW(guid, uc_path, char_count, 1373 &char_count) || !*uc_path) { 1374 /* strange, but this condition could be faced even with size == 2 */ 1375 g_free(uc_path); 1376 continue; 1377 } 1378 1379 res = g_new0(GuestFilesystemTrimResult, 1); 1380 1381 path = g_utf16_to_utf8(uc_path, char_count, NULL, NULL, &gerr); 1382 1383 g_free(uc_path); 1384 1385 if (!path) { 1386 res->has_error = true; 1387 res->error = g_strdup(gerr->message); 1388 g_error_free(gerr); 1389 break; 1390 } 1391 1392 res->path = path; 1393 1394 QAPI_LIST_PREPEND(resp->paths, res); 1395 1396 memset(argv, 0, sizeof(argv)); 1397 argv[0] = (gchar *)"defrag.exe"; 1398 argv[1] = (gchar *)"/L"; 1399 argv[2] = path; 1400 1401 if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, 1402 &out /* stdout */, NULL /* stdin */, 1403 NULL, &gerr)) { 1404 res->has_error = true; 1405 res->error = g_strdup(gerr->message); 1406 g_error_free(gerr); 1407 } else { 1408 /* defrag.exe is UGLY. Exit code is ALWAYS zero. 1409 Error is reported in the output with something like 1410 (x89000020) etc code in the stdout */ 1411 1412 int i; 1413 gchar **lines = g_strsplit(out, "\r\n", 0); 1414 g_free(out); 1415 1416 for (i = 0; lines[i] != NULL; i++) { 1417 if (g_strstr_len(lines[i], -1, "(0x") == NULL) { 1418 continue; 1419 } 1420 res->has_error = true; 1421 res->error = g_strdup(lines[i]); 1422 break; 1423 } 1424 g_strfreev(lines); 1425 } 1426 } while (FindNextVolumeW(handle, guid, ARRAYSIZE(guid))); 1427 1428 FindVolumeClose(handle); 1429 return resp; 1430 } 1431 1432 typedef enum { 1433 GUEST_SUSPEND_MODE_DISK, 1434 GUEST_SUSPEND_MODE_RAM 1435 } GuestSuspendMode; 1436 1437 static void check_suspend_mode(GuestSuspendMode mode, Error **errp) 1438 { 1439 SYSTEM_POWER_CAPABILITIES sys_pwr_caps; 1440 1441 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps)); 1442 if (!GetPwrCapabilities(&sys_pwr_caps)) { 1443 error_setg(errp, QERR_QGA_COMMAND_FAILED, 1444 "failed to determine guest suspend capabilities"); 1445 return; 1446 } 1447 1448 switch (mode) { 1449 case GUEST_SUSPEND_MODE_DISK: 1450 if (!sys_pwr_caps.SystemS4) { 1451 error_setg(errp, QERR_QGA_COMMAND_FAILED, 1452 "suspend-to-disk not supported by OS"); 1453 } 1454 break; 1455 case GUEST_SUSPEND_MODE_RAM: 1456 if (!sys_pwr_caps.SystemS3) { 1457 error_setg(errp, QERR_QGA_COMMAND_FAILED, 1458 "suspend-to-ram not supported by OS"); 1459 } 1460 break; 1461 default: 1462 abort(); 1463 } 1464 } 1465 1466 static DWORD WINAPI do_suspend(LPVOID opaque) 1467 { 1468 GuestSuspendMode *mode = opaque; 1469 DWORD ret = 0; 1470 1471 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) { 1472 g_autofree gchar *emsg = g_win32_error_message(GetLastError()); 1473 slog("failed to suspend guest: %s", emsg); 1474 ret = -1; 1475 } 1476 g_free(mode); 1477 return ret; 1478 } 1479 1480 void qmp_guest_suspend_disk(Error **errp) 1481 { 1482 Error *local_err = NULL; 1483 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 1484 1485 *mode = GUEST_SUSPEND_MODE_DISK; 1486 check_suspend_mode(*mode, &local_err); 1487 if (local_err) { 1488 goto out; 1489 } 1490 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 1491 if (local_err) { 1492 goto out; 1493 } 1494 execute_async(do_suspend, mode, &local_err); 1495 1496 out: 1497 if (local_err) { 1498 error_propagate(errp, local_err); 1499 g_free(mode); 1500 } 1501 } 1502 1503 void qmp_guest_suspend_ram(Error **errp) 1504 { 1505 Error *local_err = NULL; 1506 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 1507 1508 *mode = GUEST_SUSPEND_MODE_RAM; 1509 check_suspend_mode(*mode, &local_err); 1510 if (local_err) { 1511 goto out; 1512 } 1513 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 1514 if (local_err) { 1515 goto out; 1516 } 1517 execute_async(do_suspend, mode, &local_err); 1518 1519 out: 1520 if (local_err) { 1521 error_propagate(errp, local_err); 1522 g_free(mode); 1523 } 1524 } 1525 1526 void qmp_guest_suspend_hybrid(Error **errp) 1527 { 1528 error_setg(errp, QERR_UNSUPPORTED); 1529 } 1530 1531 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp) 1532 { 1533 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL; 1534 ULONG adptr_addrs_len = 0; 1535 DWORD ret; 1536 1537 /* Call the first time to get the adptr_addrs_len. */ 1538 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 1539 NULL, adptr_addrs, &adptr_addrs_len); 1540 1541 adptr_addrs = g_malloc(adptr_addrs_len); 1542 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 1543 NULL, adptr_addrs, &adptr_addrs_len); 1544 if (ret != ERROR_SUCCESS) { 1545 error_setg_win32(errp, ret, "failed to get adapters addresses"); 1546 g_free(adptr_addrs); 1547 adptr_addrs = NULL; 1548 } 1549 return adptr_addrs; 1550 } 1551 1552 static char *guest_wctomb_dup(WCHAR *wstr) 1553 { 1554 char *str; 1555 size_t str_size; 1556 1557 str_size = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL); 1558 /* add 1 to str_size for NULL terminator */ 1559 str = g_malloc(str_size + 1); 1560 WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, str_size, NULL, NULL); 1561 return str; 1562 } 1563 1564 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr, 1565 Error **errp) 1566 { 1567 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN]; 1568 DWORD len; 1569 int ret; 1570 1571 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET || 1572 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1573 len = sizeof(addr_str); 1574 ret = WSAAddressToString(ip_addr->Address.lpSockaddr, 1575 ip_addr->Address.iSockaddrLength, 1576 NULL, 1577 addr_str, 1578 &len); 1579 if (ret != 0) { 1580 error_setg_win32(errp, WSAGetLastError(), 1581 "failed address presentation form conversion"); 1582 return NULL; 1583 } 1584 return g_strdup(addr_str); 1585 } 1586 return NULL; 1587 } 1588 1589 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1590 { 1591 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength 1592 * field to obtain the prefix. 1593 */ 1594 return ip_addr->OnLinkPrefixLength; 1595 } 1596 1597 #define INTERFACE_PATH_BUF_SZ 512 1598 1599 static DWORD get_interface_index(const char *guid) 1600 { 1601 ULONG index; 1602 DWORD status; 1603 wchar_t wbuf[INTERFACE_PATH_BUF_SZ]; 1604 snwprintf(wbuf, INTERFACE_PATH_BUF_SZ, L"\\device\\tcpip_%s", guid); 1605 wbuf[INTERFACE_PATH_BUF_SZ - 1] = 0; 1606 status = GetAdapterIndex (wbuf, &index); 1607 if (status != NO_ERROR) { 1608 return (DWORD)~0; 1609 } else { 1610 return index; 1611 } 1612 } 1613 1614 typedef NETIOAPI_API (WINAPI *GetIfEntry2Func)(PMIB_IF_ROW2 Row); 1615 1616 static int guest_get_network_stats(const char *name, 1617 GuestNetworkInterfaceStat *stats) 1618 { 1619 OSVERSIONINFO os_ver; 1620 1621 os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1622 GetVersionEx(&os_ver); 1623 if (os_ver.dwMajorVersion >= 6) { 1624 MIB_IF_ROW2 a_mid_ifrow; 1625 GetIfEntry2Func getifentry2_ex; 1626 DWORD if_index = 0; 1627 HMODULE module = GetModuleHandle("iphlpapi"); 1628 PVOID func = GetProcAddress(module, "GetIfEntry2"); 1629 1630 if (func == NULL) { 1631 return -1; 1632 } 1633 1634 getifentry2_ex = (GetIfEntry2Func)func; 1635 if_index = get_interface_index(name); 1636 if (if_index == (DWORD)~0) { 1637 return -1; 1638 } 1639 1640 memset(&a_mid_ifrow, 0, sizeof(a_mid_ifrow)); 1641 a_mid_ifrow.InterfaceIndex = if_index; 1642 if (NO_ERROR == getifentry2_ex(&a_mid_ifrow)) { 1643 stats->rx_bytes = a_mid_ifrow.InOctets; 1644 stats->rx_packets = a_mid_ifrow.InUcastPkts; 1645 stats->rx_errs = a_mid_ifrow.InErrors; 1646 stats->rx_dropped = a_mid_ifrow.InDiscards; 1647 stats->tx_bytes = a_mid_ifrow.OutOctets; 1648 stats->tx_packets = a_mid_ifrow.OutUcastPkts; 1649 stats->tx_errs = a_mid_ifrow.OutErrors; 1650 stats->tx_dropped = a_mid_ifrow.OutDiscards; 1651 return 0; 1652 } 1653 } 1654 return -1; 1655 } 1656 1657 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp) 1658 { 1659 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr; 1660 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL; 1661 GuestNetworkInterfaceList *head = NULL, **tail = &head; 1662 GuestIpAddressList *head_addr, **tail_addr; 1663 GuestNetworkInterface *info; 1664 GuestNetworkInterfaceStat *interface_stat = NULL; 1665 GuestIpAddress *address_item = NULL; 1666 unsigned char *mac_addr; 1667 char *addr_str; 1668 WORD wsa_version; 1669 WSADATA wsa_data; 1670 int ret; 1671 1672 adptr_addrs = guest_get_adapters_addresses(errp); 1673 if (adptr_addrs == NULL) { 1674 return NULL; 1675 } 1676 1677 /* Make WSA APIs available. */ 1678 wsa_version = MAKEWORD(2, 2); 1679 ret = WSAStartup(wsa_version, &wsa_data); 1680 if (ret != 0) { 1681 error_setg_win32(errp, ret, "failed socket startup"); 1682 goto out; 1683 } 1684 1685 for (addr = adptr_addrs; addr; addr = addr->Next) { 1686 info = g_malloc0(sizeof(*info)); 1687 1688 QAPI_LIST_APPEND(tail, info); 1689 1690 info->name = guest_wctomb_dup(addr->FriendlyName); 1691 1692 if (addr->PhysicalAddressLength != 0) { 1693 mac_addr = addr->PhysicalAddress; 1694 1695 info->hardware_address = 1696 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x", 1697 (int) mac_addr[0], (int) mac_addr[1], 1698 (int) mac_addr[2], (int) mac_addr[3], 1699 (int) mac_addr[4], (int) mac_addr[5]); 1700 1701 info->has_hardware_address = true; 1702 } 1703 1704 head_addr = NULL; 1705 tail_addr = &head_addr; 1706 for (ip_addr = addr->FirstUnicastAddress; 1707 ip_addr; 1708 ip_addr = ip_addr->Next) { 1709 addr_str = guest_addr_to_str(ip_addr, errp); 1710 if (addr_str == NULL) { 1711 continue; 1712 } 1713 1714 address_item = g_malloc0(sizeof(*address_item)); 1715 1716 QAPI_LIST_APPEND(tail_addr, address_item); 1717 1718 address_item->ip_address = addr_str; 1719 address_item->prefix = guest_ip_prefix(ip_addr); 1720 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) { 1721 address_item->ip_address_type = GUEST_IP_ADDRESS_TYPE_IPV4; 1722 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1723 address_item->ip_address_type = GUEST_IP_ADDRESS_TYPE_IPV6; 1724 } 1725 } 1726 if (head_addr) { 1727 info->has_ip_addresses = true; 1728 info->ip_addresses = head_addr; 1729 } 1730 if (!info->has_statistics) { 1731 interface_stat = g_malloc0(sizeof(*interface_stat)); 1732 if (guest_get_network_stats(addr->AdapterName, 1733 interface_stat) == -1) { 1734 info->has_statistics = false; 1735 g_free(interface_stat); 1736 } else { 1737 info->statistics = interface_stat; 1738 info->has_statistics = true; 1739 } 1740 } 1741 } 1742 WSACleanup(); 1743 out: 1744 g_free(adptr_addrs); 1745 return head; 1746 } 1747 1748 static int64_t filetime_to_ns(const FILETIME *tf) 1749 { 1750 return ((((int64_t)tf->dwHighDateTime << 32) | tf->dwLowDateTime) 1751 - W32_FT_OFFSET) * 100; 1752 } 1753 1754 int64_t qmp_guest_get_time(Error **errp) 1755 { 1756 SYSTEMTIME ts = {0}; 1757 FILETIME tf; 1758 1759 GetSystemTime(&ts); 1760 if (ts.wYear < 1601 || ts.wYear > 30827) { 1761 error_setg(errp, "Failed to get time"); 1762 return -1; 1763 } 1764 1765 if (!SystemTimeToFileTime(&ts, &tf)) { 1766 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError()); 1767 return -1; 1768 } 1769 1770 return filetime_to_ns(&tf); 1771 } 1772 1773 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) 1774 { 1775 Error *local_err = NULL; 1776 SYSTEMTIME ts; 1777 FILETIME tf; 1778 LONGLONG time; 1779 1780 if (!has_time) { 1781 /* Unfortunately, Windows libraries don't provide an easy way to access 1782 * RTC yet: 1783 * 1784 * https://msdn.microsoft.com/en-us/library/aa908981.aspx 1785 * 1786 * Instead, a workaround is to use the Windows win32tm command to 1787 * resync the time using the Windows Time service. 1788 */ 1789 LPVOID msg_buffer; 1790 DWORD ret_flags; 1791 1792 HRESULT hr = system("w32tm /resync /nowait"); 1793 1794 if (GetLastError() != 0) { 1795 strerror_s((LPTSTR) & msg_buffer, 0, errno); 1796 error_setg(errp, "system(...) failed: %s", (LPCTSTR)msg_buffer); 1797 } else if (hr != 0) { 1798 if (hr == HRESULT_FROM_WIN32(ERROR_SERVICE_NOT_ACTIVE)) { 1799 error_setg(errp, "Windows Time service not running on the " 1800 "guest"); 1801 } else { 1802 if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | 1803 FORMAT_MESSAGE_FROM_SYSTEM | 1804 FORMAT_MESSAGE_IGNORE_INSERTS, NULL, 1805 (DWORD)hr, MAKELANGID(LANG_NEUTRAL, 1806 SUBLANG_DEFAULT), (LPTSTR) & msg_buffer, 0, 1807 NULL)) { 1808 error_setg(errp, "w32tm failed with error (0x%lx), couldn'" 1809 "t retrieve error message", hr); 1810 } else { 1811 error_setg(errp, "w32tm failed with error (0x%lx): %s", hr, 1812 (LPCTSTR)msg_buffer); 1813 LocalFree(msg_buffer); 1814 } 1815 } 1816 } else if (!InternetGetConnectedState(&ret_flags, 0)) { 1817 error_setg(errp, "No internet connection on guest, sync not " 1818 "accurate"); 1819 } 1820 return; 1821 } 1822 1823 /* Validate time passed by user. */ 1824 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { 1825 error_setg(errp, "Time %" PRId64 "is invalid", time_ns); 1826 return; 1827 } 1828 1829 time = time_ns / 100 + W32_FT_OFFSET; 1830 1831 tf.dwLowDateTime = (DWORD) time; 1832 tf.dwHighDateTime = (DWORD) (time >> 32); 1833 1834 if (!FileTimeToSystemTime(&tf, &ts)) { 1835 error_setg(errp, "Failed to convert system time %d", 1836 (int)GetLastError()); 1837 return; 1838 } 1839 1840 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err); 1841 if (local_err) { 1842 error_propagate(errp, local_err); 1843 return; 1844 } 1845 1846 if (!SetSystemTime(&ts)) { 1847 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); 1848 return; 1849 } 1850 } 1851 1852 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp) 1853 { 1854 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr; 1855 DWORD length; 1856 GuestLogicalProcessorList *head, **tail; 1857 Error *local_err = NULL; 1858 int64_t current; 1859 1860 ptr = pslpi = NULL; 1861 length = 0; 1862 current = 0; 1863 head = NULL; 1864 tail = &head; 1865 1866 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) && 1867 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) && 1868 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) { 1869 ptr = pslpi = g_malloc0(length); 1870 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) { 1871 error_setg(&local_err, "Failed to get processor information: %d", 1872 (int)GetLastError()); 1873 } 1874 } else { 1875 error_setg(&local_err, 1876 "Failed to get processor information buffer length: %d", 1877 (int)GetLastError()); 1878 } 1879 1880 while ((local_err == NULL) && (length > 0)) { 1881 if (pslpi->Relationship == RelationProcessorCore) { 1882 ULONG_PTR cpu_bits = pslpi->ProcessorMask; 1883 1884 while (cpu_bits > 0) { 1885 if (!!(cpu_bits & 1)) { 1886 GuestLogicalProcessor *vcpu; 1887 1888 vcpu = g_malloc0(sizeof *vcpu); 1889 vcpu->logical_id = current++; 1890 vcpu->online = true; 1891 vcpu->has_can_offline = true; 1892 1893 QAPI_LIST_APPEND(tail, vcpu); 1894 } 1895 cpu_bits >>= 1; 1896 } 1897 } 1898 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); 1899 pslpi++; /* next entry */ 1900 } 1901 1902 g_free(ptr); 1903 1904 if (local_err == NULL) { 1905 if (head != NULL) { 1906 return head; 1907 } 1908 /* there's no guest with zero VCPUs */ 1909 error_setg(&local_err, "Guest reported zero VCPUs"); 1910 } 1911 1912 qapi_free_GuestLogicalProcessorList(head); 1913 error_propagate(errp, local_err); 1914 return NULL; 1915 } 1916 1917 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp) 1918 { 1919 error_setg(errp, QERR_UNSUPPORTED); 1920 return -1; 1921 } 1922 1923 static gchar * 1924 get_net_error_message(gint error) 1925 { 1926 HMODULE module = NULL; 1927 gchar *retval = NULL; 1928 wchar_t *msg = NULL; 1929 int flags; 1930 size_t nchars; 1931 1932 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER | 1933 FORMAT_MESSAGE_IGNORE_INSERTS | 1934 FORMAT_MESSAGE_FROM_SYSTEM; 1935 1936 if (error >= NERR_BASE && error <= MAX_NERR) { 1937 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE); 1938 1939 if (module != NULL) { 1940 flags |= FORMAT_MESSAGE_FROM_HMODULE; 1941 } 1942 } 1943 1944 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL); 1945 1946 if (msg != NULL) { 1947 nchars = wcslen(msg); 1948 1949 if (nchars >= 2 && 1950 msg[nchars - 1] == L'\n' && 1951 msg[nchars - 2] == L'\r') { 1952 msg[nchars - 2] = L'\0'; 1953 } 1954 1955 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL); 1956 1957 LocalFree(msg); 1958 } 1959 1960 if (module != NULL) { 1961 FreeLibrary(module); 1962 } 1963 1964 return retval; 1965 } 1966 1967 void qmp_guest_set_user_password(const char *username, 1968 const char *password, 1969 bool crypted, 1970 Error **errp) 1971 { 1972 NET_API_STATUS nas; 1973 char *rawpasswddata = NULL; 1974 size_t rawpasswdlen; 1975 wchar_t *user = NULL, *wpass = NULL; 1976 USER_INFO_1003 pi1003 = { 0, }; 1977 GError *gerr = NULL; 1978 1979 if (crypted) { 1980 error_setg(errp, QERR_UNSUPPORTED); 1981 return; 1982 } 1983 1984 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp); 1985 if (!rawpasswddata) { 1986 return; 1987 } 1988 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1); 1989 rawpasswddata[rawpasswdlen] = '\0'; 1990 1991 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr); 1992 if (!user) { 1993 goto done; 1994 } 1995 1996 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr); 1997 if (!wpass) { 1998 goto done; 1999 } 2000 2001 pi1003.usri1003_password = wpass; 2002 nas = NetUserSetInfo(NULL, user, 2003 1003, (LPBYTE)&pi1003, 2004 NULL); 2005 2006 if (nas != NERR_Success) { 2007 gchar *msg = get_net_error_message(nas); 2008 error_setg(errp, "failed to set password: %s", msg); 2009 g_free(msg); 2010 } 2011 2012 done: 2013 if (gerr) { 2014 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message); 2015 g_error_free(gerr); 2016 } 2017 g_free(user); 2018 g_free(wpass); 2019 g_free(rawpasswddata); 2020 } 2021 2022 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp) 2023 { 2024 error_setg(errp, QERR_UNSUPPORTED); 2025 return NULL; 2026 } 2027 2028 GuestMemoryBlockResponseList * 2029 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp) 2030 { 2031 error_setg(errp, QERR_UNSUPPORTED); 2032 return NULL; 2033 } 2034 2035 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp) 2036 { 2037 error_setg(errp, QERR_UNSUPPORTED); 2038 return NULL; 2039 } 2040 2041 /* add unsupported commands to the blacklist */ 2042 GList *ga_command_blacklist_init(GList *blacklist) 2043 { 2044 const char *list_unsupported[] = { 2045 "guest-suspend-hybrid", 2046 "guest-set-vcpus", 2047 "guest-get-memory-blocks", "guest-set-memory-blocks", 2048 "guest-get-memory-block-size", "guest-get-memory-block-info", 2049 NULL}; 2050 char **p = (char **)list_unsupported; 2051 2052 while (*p) { 2053 blacklist = g_list_append(blacklist, g_strdup(*p++)); 2054 } 2055 2056 if (!vss_init(true)) { 2057 g_debug("vss_init failed, vss commands are going to be disabled"); 2058 const char *list[] = { 2059 "guest-get-fsinfo", "guest-fsfreeze-status", 2060 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL}; 2061 p = (char **)list; 2062 2063 while (*p) { 2064 blacklist = g_list_append(blacklist, g_strdup(*p++)); 2065 } 2066 } 2067 2068 return blacklist; 2069 } 2070 2071 /* register init/cleanup routines for stateful command groups */ 2072 void ga_command_state_init(GAState *s, GACommandState *cs) 2073 { 2074 if (!vss_initialized()) { 2075 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup); 2076 } 2077 } 2078 2079 /* MINGW is missing two fields: IncomingFrames & OutgoingFrames */ 2080 typedef struct _GA_WTSINFOA { 2081 WTS_CONNECTSTATE_CLASS State; 2082 DWORD SessionId; 2083 DWORD IncomingBytes; 2084 DWORD OutgoingBytes; 2085 DWORD IncomingFrames; 2086 DWORD OutgoingFrames; 2087 DWORD IncomingCompressedBytes; 2088 DWORD OutgoingCompressedBy; 2089 CHAR WinStationName[WINSTATIONNAME_LENGTH]; 2090 CHAR Domain[DOMAIN_LENGTH]; 2091 CHAR UserName[USERNAME_LENGTH + 1]; 2092 LARGE_INTEGER ConnectTime; 2093 LARGE_INTEGER DisconnectTime; 2094 LARGE_INTEGER LastInputTime; 2095 LARGE_INTEGER LogonTime; 2096 LARGE_INTEGER CurrentTime; 2097 2098 } GA_WTSINFOA; 2099 2100 GuestUserList *qmp_guest_get_users(Error **errp) 2101 { 2102 #define QGA_NANOSECONDS 10000000 2103 2104 GHashTable *cache = NULL; 2105 GuestUserList *head = NULL, **tail = &head; 2106 2107 DWORD buffer_size = 0, count = 0, i = 0; 2108 GA_WTSINFOA *info = NULL; 2109 WTS_SESSION_INFOA *entries = NULL; 2110 GuestUser *user = NULL; 2111 gpointer value = NULL; 2112 INT64 login = 0; 2113 double login_time = 0; 2114 2115 cache = g_hash_table_new(g_str_hash, g_str_equal); 2116 2117 if (WTSEnumerateSessionsA(NULL, 0, 1, &entries, &count)) { 2118 for (i = 0; i < count; ++i) { 2119 buffer_size = 0; 2120 info = NULL; 2121 if (WTSQuerySessionInformationA( 2122 NULL, 2123 entries[i].SessionId, 2124 WTSSessionInfo, 2125 (LPSTR *)&info, 2126 &buffer_size 2127 )) { 2128 2129 if (strlen(info->UserName) == 0) { 2130 WTSFreeMemory(info); 2131 continue; 2132 } 2133 2134 login = info->LogonTime.QuadPart; 2135 login -= W32_FT_OFFSET; 2136 login_time = ((double)login) / QGA_NANOSECONDS; 2137 2138 if (g_hash_table_contains(cache, info->UserName)) { 2139 value = g_hash_table_lookup(cache, info->UserName); 2140 user = (GuestUser *)value; 2141 if (user->login_time > login_time) { 2142 user->login_time = login_time; 2143 } 2144 } else { 2145 user = g_new0(GuestUser, 1); 2146 2147 user->user = g_strdup(info->UserName); 2148 user->domain = g_strdup(info->Domain); 2149 user->has_domain = true; 2150 2151 user->login_time = login_time; 2152 2153 g_hash_table_add(cache, user->user); 2154 2155 QAPI_LIST_APPEND(tail, user); 2156 } 2157 } 2158 WTSFreeMemory(info); 2159 } 2160 WTSFreeMemory(entries); 2161 } 2162 g_hash_table_destroy(cache); 2163 return head; 2164 } 2165 2166 typedef struct _ga_matrix_lookup_t { 2167 int major; 2168 int minor; 2169 char const *version; 2170 char const *version_id; 2171 } ga_matrix_lookup_t; 2172 2173 static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][7] = { 2174 { 2175 /* Desktop editions */ 2176 { 5, 0, "Microsoft Windows 2000", "2000"}, 2177 { 5, 1, "Microsoft Windows XP", "xp"}, 2178 { 6, 0, "Microsoft Windows Vista", "vista"}, 2179 { 6, 1, "Microsoft Windows 7" "7"}, 2180 { 6, 2, "Microsoft Windows 8", "8"}, 2181 { 6, 3, "Microsoft Windows 8.1", "8.1"}, 2182 { 0, 0, 0} 2183 },{ 2184 /* Server editions */ 2185 { 5, 2, "Microsoft Windows Server 2003", "2003"}, 2186 { 6, 0, "Microsoft Windows Server 2008", "2008"}, 2187 { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"}, 2188 { 6, 2, "Microsoft Windows Server 2012", "2012"}, 2189 { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"}, 2190 { 0, 0, 0}, 2191 { 0, 0, 0} 2192 } 2193 }; 2194 2195 typedef struct _ga_win_10_0_t { 2196 int first_build; 2197 char const *version; 2198 char const *version_id; 2199 } ga_win_10_0_t; 2200 2201 static ga_win_10_0_t const WIN_10_0_SERVER_VERSION_MATRIX[4] = { 2202 {14393, "Microsoft Windows Server 2016", "2016"}, 2203 {17763, "Microsoft Windows Server 2019", "2019"}, 2204 {20344, "Microsoft Windows Server 2022", "2022"}, 2205 {0, 0} 2206 }; 2207 2208 static ga_win_10_0_t const WIN_10_0_CLIENT_VERSION_MATRIX[3] = { 2209 {10240, "Microsoft Windows 10", "10"}, 2210 {22000, "Microsoft Windows 11", "11"}, 2211 {0, 0} 2212 }; 2213 2214 static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp) 2215 { 2216 typedef NTSTATUS(WINAPI *rtl_get_version_t)( 2217 RTL_OSVERSIONINFOEXW *os_version_info_ex); 2218 2219 info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW); 2220 2221 HMODULE module = GetModuleHandle("ntdll"); 2222 PVOID fun = GetProcAddress(module, "RtlGetVersion"); 2223 if (fun == NULL) { 2224 error_setg(errp, QERR_QGA_COMMAND_FAILED, 2225 "Failed to get address of RtlGetVersion"); 2226 return; 2227 } 2228 2229 rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun; 2230 rtl_get_version(info); 2231 return; 2232 } 2233 2234 static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id) 2235 { 2236 DWORD major = os_version->dwMajorVersion; 2237 DWORD minor = os_version->dwMinorVersion; 2238 DWORD build = os_version->dwBuildNumber; 2239 int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION); 2240 ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx]; 2241 ga_win_10_0_t const *win_10_0_table = tbl_idx ? 2242 WIN_10_0_SERVER_VERSION_MATRIX : WIN_10_0_CLIENT_VERSION_MATRIX; 2243 ga_win_10_0_t const *win_10_0_version = NULL; 2244 while (table->version != NULL) { 2245 if (major == 10 && minor == 0) { 2246 while (win_10_0_table->version != NULL) { 2247 if (build >= win_10_0_table->first_build) { 2248 win_10_0_version = win_10_0_table; 2249 } 2250 win_10_0_table++; 2251 } 2252 if (win_10_0_table) { 2253 if (id) { 2254 return g_strdup(win_10_0_version->version_id); 2255 } else { 2256 return g_strdup(win_10_0_version->version); 2257 } 2258 } 2259 } else if (major == table->major && minor == table->minor) { 2260 if (id) { 2261 return g_strdup(table->version_id); 2262 } else { 2263 return g_strdup(table->version); 2264 } 2265 } 2266 ++table; 2267 } 2268 slog("failed to lookup Windows version: major=%lu, minor=%lu", 2269 major, minor); 2270 return g_strdup("N/A"); 2271 } 2272 2273 static char *ga_get_win_product_name(Error **errp) 2274 { 2275 HKEY key = INVALID_HANDLE_VALUE; 2276 DWORD size = 128; 2277 char *result = g_malloc0(size); 2278 LONG err = ERROR_SUCCESS; 2279 2280 err = RegOpenKeyA(HKEY_LOCAL_MACHINE, 2281 "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", 2282 &key); 2283 if (err != ERROR_SUCCESS) { 2284 error_setg_win32(errp, err, "failed to open registry key"); 2285 g_free(result); 2286 return NULL; 2287 } 2288 2289 err = RegQueryValueExA(key, "ProductName", NULL, NULL, 2290 (LPBYTE)result, &size); 2291 if (err == ERROR_MORE_DATA) { 2292 slog("ProductName longer than expected (%lu bytes), retrying", 2293 size); 2294 g_free(result); 2295 result = NULL; 2296 if (size > 0) { 2297 result = g_malloc0(size); 2298 err = RegQueryValueExA(key, "ProductName", NULL, NULL, 2299 (LPBYTE)result, &size); 2300 } 2301 } 2302 if (err != ERROR_SUCCESS) { 2303 error_setg_win32(errp, err, "failed to retrive ProductName"); 2304 goto fail; 2305 } 2306 2307 RegCloseKey(key); 2308 return result; 2309 2310 fail: 2311 if (key != INVALID_HANDLE_VALUE) { 2312 RegCloseKey(key); 2313 } 2314 g_free(result); 2315 return NULL; 2316 } 2317 2318 static char *ga_get_current_arch(void) 2319 { 2320 SYSTEM_INFO info; 2321 GetNativeSystemInfo(&info); 2322 char *result = NULL; 2323 switch (info.wProcessorArchitecture) { 2324 case PROCESSOR_ARCHITECTURE_AMD64: 2325 result = g_strdup("x86_64"); 2326 break; 2327 case PROCESSOR_ARCHITECTURE_ARM: 2328 result = g_strdup("arm"); 2329 break; 2330 case PROCESSOR_ARCHITECTURE_IA64: 2331 result = g_strdup("ia64"); 2332 break; 2333 case PROCESSOR_ARCHITECTURE_INTEL: 2334 result = g_strdup("x86"); 2335 break; 2336 case PROCESSOR_ARCHITECTURE_UNKNOWN: 2337 default: 2338 slog("unknown processor architecture 0x%0x", 2339 info.wProcessorArchitecture); 2340 result = g_strdup("unknown"); 2341 break; 2342 } 2343 return result; 2344 } 2345 2346 GuestOSInfo *qmp_guest_get_osinfo(Error **errp) 2347 { 2348 Error *local_err = NULL; 2349 OSVERSIONINFOEXW os_version = {0}; 2350 bool server; 2351 char *product_name; 2352 GuestOSInfo *info; 2353 2354 ga_get_win_version(&os_version, &local_err); 2355 if (local_err) { 2356 error_propagate(errp, local_err); 2357 return NULL; 2358 } 2359 2360 server = os_version.wProductType != VER_NT_WORKSTATION; 2361 product_name = ga_get_win_product_name(errp); 2362 if (product_name == NULL) { 2363 return NULL; 2364 } 2365 2366 info = g_new0(GuestOSInfo, 1); 2367 2368 info->has_kernel_version = true; 2369 info->kernel_version = g_strdup_printf("%lu.%lu", 2370 os_version.dwMajorVersion, 2371 os_version.dwMinorVersion); 2372 info->has_kernel_release = true; 2373 info->kernel_release = g_strdup_printf("%lu", 2374 os_version.dwBuildNumber); 2375 info->has_machine = true; 2376 info->machine = ga_get_current_arch(); 2377 2378 info->has_id = true; 2379 info->id = g_strdup("mswindows"); 2380 info->has_name = true; 2381 info->name = g_strdup("Microsoft Windows"); 2382 info->has_pretty_name = true; 2383 info->pretty_name = product_name; 2384 info->has_version = true; 2385 info->version = ga_get_win_name(&os_version, false); 2386 info->has_version_id = true; 2387 info->version_id = ga_get_win_name(&os_version, true); 2388 info->has_variant = true; 2389 info->variant = g_strdup(server ? "server" : "client"); 2390 info->has_variant_id = true; 2391 info->variant_id = g_strdup(server ? "server" : "client"); 2392 2393 return info; 2394 } 2395 2396 /* 2397 * Safely get device property. Returned strings are using wide characters. 2398 * Caller is responsible for freeing the buffer. 2399 */ 2400 static LPBYTE cm_get_property(DEVINST devInst, const DEVPROPKEY *propName, 2401 PDEVPROPTYPE propType) 2402 { 2403 CONFIGRET cr; 2404 g_autofree LPBYTE buffer = NULL; 2405 ULONG buffer_len = 0; 2406 2407 /* First query for needed space */ 2408 cr = CM_Get_DevNode_PropertyW(devInst, propName, propType, 2409 buffer, &buffer_len, 0); 2410 if (cr != CR_SUCCESS && cr != CR_BUFFER_SMALL) { 2411 2412 slog("failed to get property size, error=0x%lx", cr); 2413 return NULL; 2414 } 2415 buffer = g_new0(BYTE, buffer_len + 1); 2416 cr = CM_Get_DevNode_PropertyW(devInst, propName, propType, 2417 buffer, &buffer_len, 0); 2418 if (cr != CR_SUCCESS) { 2419 slog("failed to get device property, error=0x%lx", cr); 2420 return NULL; 2421 } 2422 return g_steal_pointer(&buffer); 2423 } 2424 2425 static GStrv ga_get_hardware_ids(DEVINST devInstance) 2426 { 2427 GArray *values = NULL; 2428 DEVPROPTYPE cm_type; 2429 LPWSTR id; 2430 g_autofree LPWSTR property = (LPWSTR)cm_get_property(devInstance, 2431 &qga_DEVPKEY_Device_HardwareIds, &cm_type); 2432 if (property == NULL) { 2433 slog("failed to get hardware IDs"); 2434 return NULL; 2435 } 2436 if (*property == '\0') { 2437 /* empty list */ 2438 return NULL; 2439 } 2440 values = g_array_new(TRUE, TRUE, sizeof(gchar *)); 2441 for (id = property; '\0' != *id; id += lstrlenW(id) + 1) { 2442 gchar *id8 = g_utf16_to_utf8(id, -1, NULL, NULL, NULL); 2443 g_array_append_val(values, id8); 2444 } 2445 return (GStrv)g_array_free(values, FALSE); 2446 } 2447 2448 /* 2449 * https://docs.microsoft.com/en-us/windows-hardware/drivers/install/identifiers-for-pci-devices 2450 */ 2451 #define DEVICE_PCI_RE "PCI\\\\VEN_(1AF4|1B36)&DEV_([0-9A-B]{4})(&|$)" 2452 2453 GuestDeviceInfoList *qmp_guest_get_devices(Error **errp) 2454 { 2455 GuestDeviceInfoList *head = NULL, **tail = &head; 2456 HDEVINFO dev_info = INVALID_HANDLE_VALUE; 2457 SP_DEVINFO_DATA dev_info_data; 2458 int i, j; 2459 GError *gerr = NULL; 2460 g_autoptr(GRegex) device_pci_re = NULL; 2461 DEVPROPTYPE cm_type; 2462 2463 device_pci_re = g_regex_new(DEVICE_PCI_RE, 2464 G_REGEX_ANCHORED | G_REGEX_OPTIMIZE, 0, 2465 &gerr); 2466 g_assert(device_pci_re != NULL); 2467 2468 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); 2469 dev_info = SetupDiGetClassDevs(0, 0, 0, DIGCF_PRESENT | DIGCF_ALLCLASSES); 2470 if (dev_info == INVALID_HANDLE_VALUE) { 2471 error_setg(errp, "failed to get device tree"); 2472 return NULL; 2473 } 2474 2475 slog("enumerating devices"); 2476 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) { 2477 bool skip = true; 2478 g_autofree LPWSTR name = NULL; 2479 g_autofree LPFILETIME date = NULL; 2480 g_autofree LPWSTR version = NULL; 2481 g_auto(GStrv) hw_ids = NULL; 2482 g_autoptr(GuestDeviceInfo) device = g_new0(GuestDeviceInfo, 1); 2483 g_autofree char *vendor_id = NULL; 2484 g_autofree char *device_id = NULL; 2485 2486 name = (LPWSTR)cm_get_property(dev_info_data.DevInst, 2487 &qga_DEVPKEY_NAME, &cm_type); 2488 if (name == NULL) { 2489 slog("failed to get device description"); 2490 continue; 2491 } 2492 device->driver_name = g_utf16_to_utf8(name, -1, NULL, NULL, NULL); 2493 if (device->driver_name == NULL) { 2494 error_setg(errp, "conversion to utf8 failed (driver name)"); 2495 return NULL; 2496 } 2497 slog("querying device: %s", device->driver_name); 2498 hw_ids = ga_get_hardware_ids(dev_info_data.DevInst); 2499 if (hw_ids == NULL) { 2500 continue; 2501 } 2502 for (j = 0; hw_ids[j] != NULL; j++) { 2503 g_autoptr(GMatchInfo) match_info; 2504 GuestDeviceIdPCI *id; 2505 if (!g_regex_match(device_pci_re, hw_ids[j], 0, &match_info)) { 2506 continue; 2507 } 2508 skip = false; 2509 2510 vendor_id = g_match_info_fetch(match_info, 1); 2511 device_id = g_match_info_fetch(match_info, 2); 2512 2513 device->id = g_new0(GuestDeviceId, 1); 2514 device->has_id = true; 2515 device->id->type = GUEST_DEVICE_TYPE_PCI; 2516 id = &device->id->u.pci; 2517 id->vendor_id = g_ascii_strtoull(vendor_id, NULL, 16); 2518 id->device_id = g_ascii_strtoull(device_id, NULL, 16); 2519 2520 break; 2521 } 2522 if (skip) { 2523 continue; 2524 } 2525 2526 version = (LPWSTR)cm_get_property(dev_info_data.DevInst, 2527 &qga_DEVPKEY_Device_DriverVersion, &cm_type); 2528 if (version == NULL) { 2529 slog("failed to get driver version"); 2530 continue; 2531 } 2532 device->driver_version = g_utf16_to_utf8(version, -1, NULL, 2533 NULL, NULL); 2534 if (device->driver_version == NULL) { 2535 error_setg(errp, "conversion to utf8 failed (driver version)"); 2536 return NULL; 2537 } 2538 device->has_driver_version = true; 2539 2540 date = (LPFILETIME)cm_get_property(dev_info_data.DevInst, 2541 &qga_DEVPKEY_Device_DriverDate, &cm_type); 2542 if (date == NULL) { 2543 slog("failed to get driver date"); 2544 continue; 2545 } 2546 device->driver_date = filetime_to_ns(date); 2547 device->has_driver_date = true; 2548 2549 slog("driver: %s\ndriver version: %" PRId64 ",%s\n", 2550 device->driver_name, device->driver_date, 2551 device->driver_version); 2552 QAPI_LIST_APPEND(tail, g_steal_pointer(&device)); 2553 } 2554 2555 if (dev_info != INVALID_HANDLE_VALUE) { 2556 SetupDiDestroyDeviceInfoList(dev_info); 2557 } 2558 return head; 2559 } 2560