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 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 #include <wtsapi32.h> 29 #include <wininet.h> 30 31 #include "guest-agent-core.h" 32 #include "vss-win32.h" 33 #include "qga-qapi-commands.h" 34 #include "qapi/error.h" 35 #include "qapi/qmp/qerror.h" 36 #include "qemu/queue.h" 37 #include "qemu/host-utils.h" 38 #include "qemu/base64.h" 39 40 #ifndef SHTDN_REASON_FLAG_PLANNED 41 #define SHTDN_REASON_FLAG_PLANNED 0x80000000 42 #endif 43 44 /* multiple of 100 nanoseconds elapsed between windows baseline 45 * (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */ 46 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \ 47 (365 * (1970 - 1601) + \ 48 (1970 - 1601) / 4 - 3)) 49 50 #define INVALID_SET_FILE_POINTER ((DWORD)-1) 51 52 typedef struct GuestFileHandle { 53 int64_t id; 54 HANDLE fh; 55 QTAILQ_ENTRY(GuestFileHandle) next; 56 } GuestFileHandle; 57 58 static struct { 59 QTAILQ_HEAD(, GuestFileHandle) filehandles; 60 } guest_file_state = { 61 .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles), 62 }; 63 64 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA) 65 66 typedef struct OpenFlags { 67 const char *forms; 68 DWORD desired_access; 69 DWORD creation_disposition; 70 } OpenFlags; 71 static OpenFlags guest_file_open_modes[] = { 72 {"r", GENERIC_READ, OPEN_EXISTING}, 73 {"rb", GENERIC_READ, OPEN_EXISTING}, 74 {"w", GENERIC_WRITE, CREATE_ALWAYS}, 75 {"wb", GENERIC_WRITE, CREATE_ALWAYS}, 76 {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS }, 77 {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 78 {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 79 {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 80 {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 81 {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 82 {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 83 {"a+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }, 84 {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }, 85 {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS } 86 }; 87 88 #define debug_error(msg) do { \ 89 char *suffix = g_win32_error_message(GetLastError()); \ 90 g_debug("%s: %s", (msg), suffix); \ 91 g_free(suffix); \ 92 } while (0) 93 94 static OpenFlags *find_open_flag(const char *mode_str) 95 { 96 int mode; 97 Error **errp = NULL; 98 99 for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) { 100 OpenFlags *flags = guest_file_open_modes + mode; 101 102 if (strcmp(flags->forms, mode_str) == 0) { 103 return flags; 104 } 105 } 106 107 error_setg(errp, "invalid file open mode '%s'", mode_str); 108 return NULL; 109 } 110 111 static int64_t guest_file_handle_add(HANDLE fh, Error **errp) 112 { 113 GuestFileHandle *gfh; 114 int64_t handle; 115 116 handle = ga_get_fd_handle(ga_state, errp); 117 if (handle < 0) { 118 return -1; 119 } 120 gfh = g_new0(GuestFileHandle, 1); 121 gfh->id = handle; 122 gfh->fh = fh; 123 QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next); 124 125 return handle; 126 } 127 128 static GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp) 129 { 130 GuestFileHandle *gfh; 131 QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) { 132 if (gfh->id == id) { 133 return gfh; 134 } 135 } 136 error_setg(errp, "handle '%" PRId64 "' has not been found", id); 137 return NULL; 138 } 139 140 static void handle_set_nonblocking(HANDLE fh) 141 { 142 DWORD file_type, pipe_state; 143 file_type = GetFileType(fh); 144 if (file_type != FILE_TYPE_PIPE) { 145 return; 146 } 147 /* If file_type == FILE_TYPE_PIPE, according to MSDN 148 * the specified file is socket or named pipe */ 149 if (!GetNamedPipeHandleState(fh, &pipe_state, NULL, 150 NULL, NULL, NULL, 0)) { 151 return; 152 } 153 /* The fd is named pipe fd */ 154 if (pipe_state & PIPE_NOWAIT) { 155 return; 156 } 157 158 pipe_state |= PIPE_NOWAIT; 159 SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL); 160 } 161 162 int64_t qmp_guest_file_open(const char *path, bool has_mode, 163 const char *mode, Error **errp) 164 { 165 int64_t fd = -1; 166 HANDLE fh; 167 HANDLE templ_file = NULL; 168 DWORD share_mode = FILE_SHARE_READ; 169 DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL; 170 LPSECURITY_ATTRIBUTES sa_attr = NULL; 171 OpenFlags *guest_flags; 172 GError *gerr = NULL; 173 wchar_t *w_path = NULL; 174 175 if (!has_mode) { 176 mode = "r"; 177 } 178 slog("guest-file-open called, filepath: %s, mode: %s", path, mode); 179 guest_flags = find_open_flag(mode); 180 if (guest_flags == NULL) { 181 error_setg(errp, "invalid file open mode"); 182 goto done; 183 } 184 185 w_path = g_utf8_to_utf16(path, -1, NULL, NULL, &gerr); 186 if (!w_path) { 187 goto done; 188 } 189 190 fh = CreateFileW(w_path, guest_flags->desired_access, share_mode, sa_attr, 191 guest_flags->creation_disposition, flags_and_attr, 192 templ_file); 193 if (fh == INVALID_HANDLE_VALUE) { 194 error_setg_win32(errp, GetLastError(), "failed to open file '%s'", 195 path); 196 goto done; 197 } 198 199 /* set fd non-blocking to avoid common use cases (like reading from a 200 * named pipe) from hanging the agent 201 */ 202 handle_set_nonblocking(fh); 203 204 fd = guest_file_handle_add(fh, errp); 205 if (fd < 0) { 206 CloseHandle(fh); 207 error_setg(errp, "failed to add handle to qmp handle table"); 208 goto done; 209 } 210 211 slog("guest-file-open, handle: % " PRId64, fd); 212 213 done: 214 if (gerr) { 215 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message); 216 g_error_free(gerr); 217 } 218 g_free(w_path); 219 return fd; 220 } 221 222 void qmp_guest_file_close(int64_t handle, Error **errp) 223 { 224 bool ret; 225 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 226 slog("guest-file-close called, handle: %" PRId64, handle); 227 if (gfh == NULL) { 228 return; 229 } 230 ret = CloseHandle(gfh->fh); 231 if (!ret) { 232 error_setg_win32(errp, GetLastError(), "failed close handle"); 233 return; 234 } 235 236 QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next); 237 g_free(gfh); 238 } 239 240 static void acquire_privilege(const char *name, Error **errp) 241 { 242 HANDLE token = NULL; 243 TOKEN_PRIVILEGES priv; 244 Error *local_err = NULL; 245 246 if (OpenProcessToken(GetCurrentProcess(), 247 TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token)) 248 { 249 if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) { 250 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 251 "no luid for requested privilege"); 252 goto out; 253 } 254 255 priv.PrivilegeCount = 1; 256 priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 257 258 if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) { 259 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 260 "unable to acquire requested privilege"); 261 goto out; 262 } 263 264 } else { 265 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 266 "failed to open privilege token"); 267 } 268 269 out: 270 if (token) { 271 CloseHandle(token); 272 } 273 error_propagate(errp, local_err); 274 } 275 276 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque, 277 Error **errp) 278 { 279 Error *local_err = NULL; 280 281 HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL); 282 if (!thread) { 283 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 284 "failed to dispatch asynchronous command"); 285 error_propagate(errp, local_err); 286 } 287 } 288 289 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) 290 { 291 Error *local_err = NULL; 292 UINT shutdown_flag = EWX_FORCE; 293 294 slog("guest-shutdown called, mode: %s", mode); 295 296 if (!has_mode || strcmp(mode, "powerdown") == 0) { 297 shutdown_flag |= EWX_POWEROFF; 298 } else if (strcmp(mode, "halt") == 0) { 299 shutdown_flag |= EWX_SHUTDOWN; 300 } else if (strcmp(mode, "reboot") == 0) { 301 shutdown_flag |= EWX_REBOOT; 302 } else { 303 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode", 304 "halt|powerdown|reboot"); 305 return; 306 } 307 308 /* Request a shutdown privilege, but try to shut down the system 309 anyway. */ 310 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 311 if (local_err) { 312 error_propagate(errp, local_err); 313 return; 314 } 315 316 if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) { 317 slog("guest-shutdown failed: %lu", GetLastError()); 318 error_setg(errp, QERR_UNDEFINED_ERROR); 319 } 320 } 321 322 GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count, 323 int64_t count, Error **errp) 324 { 325 GuestFileRead *read_data = NULL; 326 guchar *buf; 327 HANDLE fh; 328 bool is_ok; 329 DWORD read_count; 330 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 331 332 if (!gfh) { 333 return NULL; 334 } 335 if (!has_count) { 336 count = QGA_READ_COUNT_DEFAULT; 337 } else if (count < 0 || count >= UINT32_MAX) { 338 error_setg(errp, "value '%" PRId64 339 "' is invalid for argument count", count); 340 return NULL; 341 } 342 343 fh = gfh->fh; 344 buf = g_malloc0(count+1); 345 is_ok = ReadFile(fh, buf, count, &read_count, NULL); 346 if (!is_ok) { 347 error_setg_win32(errp, GetLastError(), "failed to read file"); 348 slog("guest-file-read failed, handle %" PRId64, handle); 349 } else { 350 buf[read_count] = 0; 351 read_data = g_new0(GuestFileRead, 1); 352 read_data->count = (size_t)read_count; 353 read_data->eof = read_count == 0; 354 355 if (read_count != 0) { 356 read_data->buf_b64 = g_base64_encode(buf, read_count); 357 } 358 } 359 g_free(buf); 360 361 return read_data; 362 } 363 364 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64, 365 bool has_count, int64_t count, 366 Error **errp) 367 { 368 GuestFileWrite *write_data = NULL; 369 guchar *buf; 370 gsize buf_len; 371 bool is_ok; 372 DWORD write_count; 373 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 374 HANDLE fh; 375 376 if (!gfh) { 377 return NULL; 378 } 379 fh = gfh->fh; 380 buf = qbase64_decode(buf_b64, -1, &buf_len, errp); 381 if (!buf) { 382 return NULL; 383 } 384 385 if (!has_count) { 386 count = buf_len; 387 } else if (count < 0 || count > buf_len) { 388 error_setg(errp, "value '%" PRId64 389 "' is invalid for argument count", count); 390 goto done; 391 } 392 393 is_ok = WriteFile(fh, buf, count, &write_count, NULL); 394 if (!is_ok) { 395 error_setg_win32(errp, GetLastError(), "failed to write to file"); 396 slog("guest-file-write-failed, handle: %" PRId64, handle); 397 } else { 398 write_data = g_new0(GuestFileWrite, 1); 399 write_data->count = (size_t) write_count; 400 } 401 402 done: 403 g_free(buf); 404 return write_data; 405 } 406 407 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset, 408 GuestFileWhence *whence_code, 409 Error **errp) 410 { 411 GuestFileHandle *gfh; 412 GuestFileSeek *seek_data; 413 HANDLE fh; 414 LARGE_INTEGER new_pos, off_pos; 415 off_pos.QuadPart = offset; 416 BOOL res; 417 int whence; 418 Error *err = NULL; 419 420 gfh = guest_file_handle_find(handle, errp); 421 if (!gfh) { 422 return NULL; 423 } 424 425 /* We stupidly exposed 'whence':'int' in our qapi */ 426 whence = ga_parse_whence(whence_code, &err); 427 if (err) { 428 error_propagate(errp, err); 429 return NULL; 430 } 431 432 fh = gfh->fh; 433 res = SetFilePointerEx(fh, off_pos, &new_pos, whence); 434 if (!res) { 435 error_setg_win32(errp, GetLastError(), "failed to seek file"); 436 return NULL; 437 } 438 seek_data = g_new0(GuestFileSeek, 1); 439 seek_data->position = new_pos.QuadPart; 440 return seek_data; 441 } 442 443 void qmp_guest_file_flush(int64_t handle, Error **errp) 444 { 445 HANDLE fh; 446 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 447 if (!gfh) { 448 return; 449 } 450 451 fh = gfh->fh; 452 if (!FlushFileBuffers(fh)) { 453 error_setg_win32(errp, GetLastError(), "failed to flush file"); 454 } 455 } 456 457 #ifdef CONFIG_QGA_NTDDSCSI 458 459 static STORAGE_BUS_TYPE win2qemu[] = { 460 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN, 461 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI, 462 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE, 463 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE, 464 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394, 465 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA, 466 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA, 467 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB, 468 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID, 469 #if (_WIN32_WINNT >= 0x0600) 470 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI, 471 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS, 472 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA, 473 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD, 474 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC, 475 #endif 476 #if (_WIN32_WINNT >= 0x0601) 477 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL, 478 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL, 479 #endif 480 }; 481 482 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus) 483 { 484 if (bus >= ARRAY_SIZE(win2qemu) || (int)bus < 0) { 485 return GUEST_DISK_BUS_TYPE_UNKNOWN; 486 } 487 return win2qemu[(int)bus]; 488 } 489 490 /* XXX: The following function is BROKEN! 491 * 492 * It does not work and probably has never worked. When we query for list of 493 * disks we get cryptic names like "\Device\0000001d" instead of 494 * "\PhysicalDriveX" or "\HarddiskX". Whether the names can be translated one 495 * way or the other for comparison is an open question. 496 * 497 * When we query volume names (the original version) we are able to match those 498 * but then the property queries report error "Invalid function". (duh!) 499 */ 500 501 /* 502 DEFINE_GUID(GUID_DEVINTERFACE_VOLUME, 503 0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2, 504 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); 505 */ 506 DEFINE_GUID(GUID_DEVINTERFACE_DISK, 507 0x53f56307L, 0xb6bf, 0x11d0, 0x94, 0xf2, 508 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); 509 510 511 static GuestPCIAddress *get_pci_info(char *guid, Error **errp) 512 { 513 HDEVINFO dev_info; 514 SP_DEVINFO_DATA dev_info_data; 515 DWORD size = 0; 516 int i; 517 char dev_name[MAX_PATH]; 518 char *buffer = NULL; 519 GuestPCIAddress *pci = NULL; 520 char *name = NULL; 521 bool partial_pci = false; 522 pci = g_malloc0(sizeof(*pci)); 523 pci->domain = -1; 524 pci->slot = -1; 525 pci->function = -1; 526 pci->bus = -1; 527 528 if (g_str_has_prefix(guid, "\\\\.\\") || 529 g_str_has_prefix(guid, "\\\\?\\")) { 530 name = g_strdup(guid + 4); 531 } else { 532 name = g_strdup(guid); 533 } 534 535 if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) { 536 error_setg_win32(errp, GetLastError(), "failed to get dos device name"); 537 goto out; 538 } 539 540 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0, 541 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); 542 if (dev_info == INVALID_HANDLE_VALUE) { 543 error_setg_win32(errp, GetLastError(), "failed to get devices tree"); 544 goto out; 545 } 546 547 g_debug("enumerating devices"); 548 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); 549 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) { 550 DWORD addr, bus, slot, data, size2; 551 int func, dev; 552 while (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 553 SPDRP_PHYSICAL_DEVICE_OBJECT_NAME, 554 &data, (PBYTE)buffer, size, 555 &size2)) { 556 size = MAX(size, size2); 557 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { 558 g_free(buffer); 559 /* Double the size to avoid problems on 560 * W2k MBCS systems per KB 888609. 561 * https://support.microsoft.com/en-us/kb/259695 */ 562 buffer = g_malloc(size * 2); 563 } else { 564 error_setg_win32(errp, GetLastError(), 565 "failed to get device name"); 566 goto free_dev_info; 567 } 568 } 569 570 if (g_strcmp0(buffer, dev_name)) { 571 continue; 572 } 573 g_debug("found device %s", dev_name); 574 575 /* There is no need to allocate buffer in the next functions. The size 576 * is known and ULONG according to 577 * https://support.microsoft.com/en-us/kb/253232 578 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx 579 */ 580 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 581 SPDRP_BUSNUMBER, &data, (PBYTE)&bus, size, NULL)) { 582 debug_error("failed to get bus"); 583 bus = -1; 584 partial_pci = true; 585 } 586 587 /* The function retrieves the device's address. This value will be 588 * transformed into device function and number */ 589 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 590 SPDRP_ADDRESS, &data, (PBYTE)&addr, size, NULL)) { 591 debug_error("failed to get address"); 592 addr = -1; 593 partial_pci = true; 594 } 595 596 /* This call returns UINumber of DEVICE_CAPABILITIES structure. 597 * This number is typically a user-perceived slot number. */ 598 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 599 SPDRP_UI_NUMBER, &data, (PBYTE)&slot, size, NULL)) { 600 debug_error("failed to get slot"); 601 slot = -1; 602 partial_pci = true; 603 } 604 605 /* SetupApi gives us the same information as driver with 606 * IoGetDeviceProperty. According to Microsoft 607 * https://support.microsoft.com/en-us/kb/253232 608 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF); 609 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF); 610 * SPDRP_ADDRESS is propertyAddress, so we do the same.*/ 611 612 if (partial_pci) { 613 pci->domain = -1; 614 pci->slot = -1; 615 pci->function = -1; 616 pci->bus = -1; 617 } else { 618 func = ((int) addr == -1) ? -1 : addr & 0x0000FFFF; 619 dev = ((int) addr == -1) ? -1 : (addr >> 16) & 0x0000FFFF; 620 pci->domain = dev; 621 pci->slot = (int) slot; 622 pci->function = func; 623 pci->bus = (int) bus; 624 } 625 break; 626 } 627 628 free_dev_info: 629 SetupDiDestroyDeviceInfoList(dev_info); 630 out: 631 g_free(buffer); 632 g_free(name); 633 return pci; 634 } 635 636 static void get_disk_properties(HANDLE vol_h, GuestDiskAddress *disk, 637 Error **errp) 638 { 639 STORAGE_PROPERTY_QUERY query; 640 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf; 641 DWORD received; 642 ULONG size = sizeof(buf); 643 644 dev_desc = &buf; 645 query.PropertyId = StorageDeviceProperty; 646 query.QueryType = PropertyStandardQuery; 647 648 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query, 649 sizeof(STORAGE_PROPERTY_QUERY), dev_desc, 650 size, &received, NULL)) { 651 error_setg_win32(errp, GetLastError(), "failed to get bus type"); 652 return; 653 } 654 disk->bus_type = find_bus_type(dev_desc->BusType); 655 g_debug("bus type %d", disk->bus_type); 656 657 /* Query once more. Now with long enough buffer. */ 658 size = dev_desc->Size; 659 dev_desc = g_malloc0(size); 660 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query, 661 sizeof(STORAGE_PROPERTY_QUERY), dev_desc, 662 size, &received, NULL)) { 663 error_setg_win32(errp, GetLastError(), "failed to get serial number"); 664 g_debug("failed to get serial number"); 665 goto out_free; 666 } 667 if (dev_desc->SerialNumberOffset > 0) { 668 const char *serial; 669 size_t len; 670 671 if (dev_desc->SerialNumberOffset >= received) { 672 error_setg(errp, "failed to get serial number: offset outside the buffer"); 673 g_debug("serial number offset outside the buffer"); 674 goto out_free; 675 } 676 serial = (char *)dev_desc + dev_desc->SerialNumberOffset; 677 len = received - dev_desc->SerialNumberOffset; 678 g_debug("serial number \"%s\"", serial); 679 if (*serial != 0) { 680 disk->serial = g_strndup(serial, len); 681 disk->has_serial = true; 682 } 683 } 684 out_free: 685 g_free(dev_desc); 686 687 return; 688 } 689 690 static void get_single_disk_info(GuestDiskAddress *disk, Error **errp) 691 { 692 SCSI_ADDRESS addr, *scsi_ad; 693 DWORD len; 694 HANDLE disk_h; 695 Error *local_err = NULL; 696 697 scsi_ad = &addr; 698 699 g_debug("getting disk info for: %s", disk->dev); 700 disk_h = CreateFile(disk->dev, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 701 0, NULL); 702 if (disk_h == INVALID_HANDLE_VALUE) { 703 error_setg_win32(errp, GetLastError(), "failed to open disk"); 704 return; 705 } 706 707 get_disk_properties(disk_h, disk, &local_err); 708 if (local_err) { 709 error_propagate(errp, local_err); 710 goto err_close; 711 } 712 713 g_debug("bus type %d", disk->bus_type); 714 /* always set pci_controller as required by schema. get_pci_info() should 715 * report -1 values for non-PCI buses rather than fail. fail the command 716 * if that doesn't hold since that suggests some other unexpected 717 * breakage 718 */ 719 disk->pci_controller = get_pci_info(disk->dev, &local_err); 720 if (local_err) { 721 error_propagate(errp, local_err); 722 goto err_close; 723 } 724 if (disk->bus_type == GUEST_DISK_BUS_TYPE_SCSI 725 || disk->bus_type == GUEST_DISK_BUS_TYPE_IDE 726 || disk->bus_type == GUEST_DISK_BUS_TYPE_RAID 727 #if (_WIN32_WINNT >= 0x0600) 728 /* This bus type is not supported before Windows Server 2003 SP1 */ 729 || disk->bus_type == GUEST_DISK_BUS_TYPE_SAS 730 #endif 731 ) { 732 /* We are able to use the same ioctls for different bus types 733 * according to Microsoft docs 734 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */ 735 g_debug("getting pci-controller info"); 736 if (DeviceIoControl(disk_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad, 737 sizeof(SCSI_ADDRESS), &len, NULL)) { 738 disk->unit = addr.Lun; 739 disk->target = addr.TargetId; 740 disk->bus = addr.PathId; 741 } 742 /* We do not set error in this case, because we still have enough 743 * information about volume. */ 744 } 745 746 err_close: 747 CloseHandle(disk_h); 748 return; 749 } 750 751 /* VSS provider works with volumes, thus there is no difference if 752 * the volume consist of spanned disks. Info about the first disk in the 753 * volume is returned for the spanned disk group (LVM) */ 754 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 755 { 756 Error *local_err = NULL; 757 GuestDiskAddressList *list = NULL, *cur_item = NULL; 758 GuestDiskAddress *disk = NULL; 759 int i; 760 HANDLE vol_h; 761 DWORD size; 762 PVOLUME_DISK_EXTENTS extents = NULL; 763 764 /* strip final backslash */ 765 char *name = g_strdup(guid); 766 if (g_str_has_suffix(name, "\\")) { 767 name[strlen(name) - 1] = 0; 768 } 769 770 g_debug("opening %s", name); 771 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 772 0, NULL); 773 if (vol_h == INVALID_HANDLE_VALUE) { 774 error_setg_win32(errp, GetLastError(), "failed to open volume"); 775 goto out; 776 } 777 778 /* Get list of extents */ 779 g_debug("getting disk extents"); 780 size = sizeof(VOLUME_DISK_EXTENTS); 781 extents = g_malloc0(size); 782 if (!DeviceIoControl(vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL, 783 0, extents, size, NULL, NULL)) { 784 DWORD last_err = GetLastError(); 785 if (last_err == ERROR_MORE_DATA) { 786 /* Try once more with big enough buffer */ 787 size = sizeof(VOLUME_DISK_EXTENTS) 788 + extents->NumberOfDiskExtents*sizeof(DISK_EXTENT); 789 g_free(extents); 790 extents = g_malloc0(size); 791 if (!DeviceIoControl( 792 vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL, 793 0, extents, size, NULL, NULL)) { 794 error_setg_win32(errp, GetLastError(), 795 "failed to get disk extents"); 796 goto out; 797 } 798 } else if (last_err == ERROR_INVALID_FUNCTION) { 799 /* Possibly CD-ROM or a shared drive. Try to pass the volume */ 800 g_debug("volume not on disk"); 801 disk = g_malloc0(sizeof(GuestDiskAddress)); 802 disk->has_dev = true; 803 disk->dev = g_strdup(name); 804 get_single_disk_info(disk, &local_err); 805 if (local_err) { 806 g_debug("failed to get disk info, ignoring error: %s", 807 error_get_pretty(local_err)); 808 error_free(local_err); 809 goto out; 810 } 811 list = g_malloc0(sizeof(*list)); 812 list->value = disk; 813 disk = NULL; 814 list->next = NULL; 815 goto out; 816 } else { 817 error_setg_win32(errp, GetLastError(), 818 "failed to get disk extents"); 819 goto out; 820 } 821 } 822 g_debug("Number of extents: %lu", extents->NumberOfDiskExtents); 823 824 /* Go through each extent */ 825 for (i = 0; i < extents->NumberOfDiskExtents; i++) { 826 disk = g_malloc0(sizeof(GuestDiskAddress)); 827 828 /* Disk numbers directly correspond to numbers used in UNCs 829 * 830 * See documentation for DISK_EXTENT: 831 * https://docs.microsoft.com/en-us/windows/desktop/api/winioctl/ns-winioctl-_disk_extent 832 * 833 * See also Naming Files, Paths and Namespaces: 834 * https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#win32-device-namespaces 835 */ 836 disk->has_dev = true; 837 disk->dev = g_strdup_printf("\\\\.\\PhysicalDrive%lu", 838 extents->Extents[i].DiskNumber); 839 840 get_single_disk_info(disk, &local_err); 841 if (local_err) { 842 error_propagate(errp, local_err); 843 goto out; 844 } 845 cur_item = g_malloc0(sizeof(*list)); 846 cur_item->value = disk; 847 disk = NULL; 848 cur_item->next = list; 849 list = cur_item; 850 } 851 852 853 out: 854 if (vol_h != INVALID_HANDLE_VALUE) { 855 CloseHandle(vol_h); 856 } 857 qapi_free_GuestDiskAddress(disk); 858 g_free(extents); 859 g_free(name); 860 861 return list; 862 } 863 864 #else 865 866 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 867 { 868 return NULL; 869 } 870 871 #endif /* CONFIG_QGA_NTDDSCSI */ 872 873 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp) 874 { 875 DWORD info_size; 876 char mnt, *mnt_point; 877 char fs_name[32]; 878 char vol_info[MAX_PATH+1]; 879 size_t len; 880 uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes; 881 GuestFilesystemInfo *fs = NULL; 882 883 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size); 884 if (GetLastError() != ERROR_MORE_DATA) { 885 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 886 return NULL; 887 } 888 889 mnt_point = g_malloc(info_size + 1); 890 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size, 891 &info_size)) { 892 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 893 goto free; 894 } 895 896 len = strlen(mnt_point); 897 mnt_point[len] = '\\'; 898 mnt_point[len+1] = 0; 899 if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL, 900 NULL, (LPSTR)&fs_name, sizeof(fs_name))) { 901 if (GetLastError() != ERROR_NOT_READY) { 902 error_setg_win32(errp, GetLastError(), "failed to get volume info"); 903 } 904 goto free; 905 } 906 907 fs_name[sizeof(fs_name) - 1] = 0; 908 fs = g_malloc(sizeof(*fs)); 909 fs->name = g_strdup(guid); 910 fs->has_total_bytes = false; 911 fs->has_used_bytes = false; 912 if (len == 0) { 913 fs->mountpoint = g_strdup("System Reserved"); 914 } else { 915 fs->mountpoint = g_strndup(mnt_point, len); 916 if (GetDiskFreeSpaceEx(fs->mountpoint, 917 (PULARGE_INTEGER) & i64FreeBytesToCaller, 918 (PULARGE_INTEGER) & i64TotalBytes, 919 (PULARGE_INTEGER) & i64FreeBytes)) { 920 fs->used_bytes = i64TotalBytes - i64FreeBytes; 921 fs->total_bytes = i64TotalBytes; 922 fs->has_total_bytes = true; 923 fs->has_used_bytes = true; 924 } 925 } 926 fs->type = g_strdup(fs_name); 927 fs->disk = build_guest_disk_info(guid, errp); 928 free: 929 g_free(mnt_point); 930 return fs; 931 } 932 933 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp) 934 { 935 HANDLE vol_h; 936 GuestFilesystemInfoList *new, *ret = NULL; 937 char guid[256]; 938 939 vol_h = FindFirstVolume(guid, sizeof(guid)); 940 if (vol_h == INVALID_HANDLE_VALUE) { 941 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 942 return NULL; 943 } 944 945 do { 946 GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp); 947 if (info == NULL) { 948 continue; 949 } 950 new = g_malloc(sizeof(*ret)); 951 new->value = info; 952 new->next = ret; 953 ret = new; 954 } while (FindNextVolume(vol_h, guid, sizeof(guid))); 955 956 if (GetLastError() != ERROR_NO_MORE_FILES) { 957 error_setg_win32(errp, GetLastError(), "failed to find next volume"); 958 } 959 960 FindVolumeClose(vol_h); 961 return ret; 962 } 963 964 /* 965 * Return status of freeze/thaw 966 */ 967 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp) 968 { 969 if (!vss_initialized()) { 970 error_setg(errp, QERR_UNSUPPORTED); 971 return 0; 972 } 973 974 if (ga_is_frozen(ga_state)) { 975 return GUEST_FSFREEZE_STATUS_FROZEN; 976 } 977 978 return GUEST_FSFREEZE_STATUS_THAWED; 979 } 980 981 /* 982 * Freeze local file systems using Volume Shadow-copy Service. 983 * The frozen state is limited for up to 10 seconds by VSS. 984 */ 985 int64_t qmp_guest_fsfreeze_freeze(Error **errp) 986 { 987 return qmp_guest_fsfreeze_freeze_list(false, NULL, errp); 988 } 989 990 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, 991 strList *mountpoints, 992 Error **errp) 993 { 994 int i; 995 Error *local_err = NULL; 996 997 if (!vss_initialized()) { 998 error_setg(errp, QERR_UNSUPPORTED); 999 return 0; 1000 } 1001 1002 slog("guest-fsfreeze called"); 1003 1004 /* cannot risk guest agent blocking itself on a write in this state */ 1005 ga_set_frozen(ga_state); 1006 1007 qga_vss_fsfreeze(&i, true, mountpoints, &local_err); 1008 if (local_err) { 1009 error_propagate(errp, local_err); 1010 goto error; 1011 } 1012 1013 return i; 1014 1015 error: 1016 local_err = NULL; 1017 qmp_guest_fsfreeze_thaw(&local_err); 1018 if (local_err) { 1019 g_debug("cleanup thaw: %s", error_get_pretty(local_err)); 1020 error_free(local_err); 1021 } 1022 return 0; 1023 } 1024 1025 /* 1026 * Thaw local file systems using Volume Shadow-copy Service. 1027 */ 1028 int64_t qmp_guest_fsfreeze_thaw(Error **errp) 1029 { 1030 int i; 1031 1032 if (!vss_initialized()) { 1033 error_setg(errp, QERR_UNSUPPORTED); 1034 return 0; 1035 } 1036 1037 qga_vss_fsfreeze(&i, false, NULL, errp); 1038 1039 ga_unset_frozen(ga_state); 1040 return i; 1041 } 1042 1043 static void guest_fsfreeze_cleanup(void) 1044 { 1045 Error *err = NULL; 1046 1047 if (!vss_initialized()) { 1048 return; 1049 } 1050 1051 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) { 1052 qmp_guest_fsfreeze_thaw(&err); 1053 if (err) { 1054 slog("failed to clean up frozen filesystems: %s", 1055 error_get_pretty(err)); 1056 error_free(err); 1057 } 1058 } 1059 1060 vss_deinit(true); 1061 } 1062 1063 /* 1064 * Walk list of mounted file systems in the guest, and discard unused 1065 * areas. 1066 */ 1067 GuestFilesystemTrimResponse * 1068 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) 1069 { 1070 GuestFilesystemTrimResponse *resp; 1071 HANDLE handle; 1072 WCHAR guid[MAX_PATH] = L""; 1073 OSVERSIONINFO osvi; 1074 BOOL win8_or_later; 1075 1076 ZeroMemory(&osvi, sizeof(OSVERSIONINFO)); 1077 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1078 GetVersionEx(&osvi); 1079 win8_or_later = (osvi.dwMajorVersion > 6 || 1080 ((osvi.dwMajorVersion == 6) && 1081 (osvi.dwMinorVersion >= 2))); 1082 if (!win8_or_later) { 1083 error_setg(errp, "fstrim is only supported for Win8+"); 1084 return NULL; 1085 } 1086 1087 handle = FindFirstVolumeW(guid, ARRAYSIZE(guid)); 1088 if (handle == INVALID_HANDLE_VALUE) { 1089 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 1090 return NULL; 1091 } 1092 1093 resp = g_new0(GuestFilesystemTrimResponse, 1); 1094 1095 do { 1096 GuestFilesystemTrimResult *res; 1097 GuestFilesystemTrimResultList *list; 1098 PWCHAR uc_path; 1099 DWORD char_count = 0; 1100 char *path, *out; 1101 GError *gerr = NULL; 1102 gchar * argv[4]; 1103 1104 GetVolumePathNamesForVolumeNameW(guid, NULL, 0, &char_count); 1105 1106 if (GetLastError() != ERROR_MORE_DATA) { 1107 continue; 1108 } 1109 if (GetDriveTypeW(guid) != DRIVE_FIXED) { 1110 continue; 1111 } 1112 1113 uc_path = g_malloc(sizeof(WCHAR) * char_count); 1114 if (!GetVolumePathNamesForVolumeNameW(guid, uc_path, char_count, 1115 &char_count) || !*uc_path) { 1116 /* strange, but this condition could be faced even with size == 2 */ 1117 g_free(uc_path); 1118 continue; 1119 } 1120 1121 res = g_new0(GuestFilesystemTrimResult, 1); 1122 1123 path = g_utf16_to_utf8(uc_path, char_count, NULL, NULL, &gerr); 1124 1125 g_free(uc_path); 1126 1127 if (!path) { 1128 res->has_error = true; 1129 res->error = g_strdup(gerr->message); 1130 g_error_free(gerr); 1131 break; 1132 } 1133 1134 res->path = path; 1135 1136 list = g_new0(GuestFilesystemTrimResultList, 1); 1137 list->value = res; 1138 list->next = resp->paths; 1139 1140 resp->paths = list; 1141 1142 memset(argv, 0, sizeof(argv)); 1143 argv[0] = (gchar *)"defrag.exe"; 1144 argv[1] = (gchar *)"/L"; 1145 argv[2] = path; 1146 1147 if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, 1148 &out /* stdout */, NULL /* stdin */, 1149 NULL, &gerr)) { 1150 res->has_error = true; 1151 res->error = g_strdup(gerr->message); 1152 g_error_free(gerr); 1153 } else { 1154 /* defrag.exe is UGLY. Exit code is ALWAYS zero. 1155 Error is reported in the output with something like 1156 (x89000020) etc code in the stdout */ 1157 1158 int i; 1159 gchar **lines = g_strsplit(out, "\r\n", 0); 1160 g_free(out); 1161 1162 for (i = 0; lines[i] != NULL; i++) { 1163 if (g_strstr_len(lines[i], -1, "(0x") == NULL) { 1164 continue; 1165 } 1166 res->has_error = true; 1167 res->error = g_strdup(lines[i]); 1168 break; 1169 } 1170 g_strfreev(lines); 1171 } 1172 } while (FindNextVolumeW(handle, guid, ARRAYSIZE(guid))); 1173 1174 FindVolumeClose(handle); 1175 return resp; 1176 } 1177 1178 typedef enum { 1179 GUEST_SUSPEND_MODE_DISK, 1180 GUEST_SUSPEND_MODE_RAM 1181 } GuestSuspendMode; 1182 1183 static void check_suspend_mode(GuestSuspendMode mode, Error **errp) 1184 { 1185 SYSTEM_POWER_CAPABILITIES sys_pwr_caps; 1186 Error *local_err = NULL; 1187 1188 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps)); 1189 if (!GetPwrCapabilities(&sys_pwr_caps)) { 1190 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 1191 "failed to determine guest suspend capabilities"); 1192 goto out; 1193 } 1194 1195 switch (mode) { 1196 case GUEST_SUSPEND_MODE_DISK: 1197 if (!sys_pwr_caps.SystemS4) { 1198 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 1199 "suspend-to-disk not supported by OS"); 1200 } 1201 break; 1202 case GUEST_SUSPEND_MODE_RAM: 1203 if (!sys_pwr_caps.SystemS3) { 1204 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 1205 "suspend-to-ram not supported by OS"); 1206 } 1207 break; 1208 default: 1209 error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode", 1210 "GuestSuspendMode"); 1211 } 1212 1213 out: 1214 error_propagate(errp, local_err); 1215 } 1216 1217 static DWORD WINAPI do_suspend(LPVOID opaque) 1218 { 1219 GuestSuspendMode *mode = opaque; 1220 DWORD ret = 0; 1221 1222 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) { 1223 slog("failed to suspend guest, %lu", GetLastError()); 1224 ret = -1; 1225 } 1226 g_free(mode); 1227 return ret; 1228 } 1229 1230 void qmp_guest_suspend_disk(Error **errp) 1231 { 1232 Error *local_err = NULL; 1233 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 1234 1235 *mode = GUEST_SUSPEND_MODE_DISK; 1236 check_suspend_mode(*mode, &local_err); 1237 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 1238 execute_async(do_suspend, mode, &local_err); 1239 1240 if (local_err) { 1241 error_propagate(errp, local_err); 1242 g_free(mode); 1243 } 1244 } 1245 1246 void qmp_guest_suspend_ram(Error **errp) 1247 { 1248 Error *local_err = NULL; 1249 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 1250 1251 *mode = GUEST_SUSPEND_MODE_RAM; 1252 check_suspend_mode(*mode, &local_err); 1253 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 1254 execute_async(do_suspend, mode, &local_err); 1255 1256 if (local_err) { 1257 error_propagate(errp, local_err); 1258 g_free(mode); 1259 } 1260 } 1261 1262 void qmp_guest_suspend_hybrid(Error **errp) 1263 { 1264 error_setg(errp, QERR_UNSUPPORTED); 1265 } 1266 1267 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp) 1268 { 1269 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL; 1270 ULONG adptr_addrs_len = 0; 1271 DWORD ret; 1272 1273 /* Call the first time to get the adptr_addrs_len. */ 1274 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 1275 NULL, adptr_addrs, &adptr_addrs_len); 1276 1277 adptr_addrs = g_malloc(adptr_addrs_len); 1278 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 1279 NULL, adptr_addrs, &adptr_addrs_len); 1280 if (ret != ERROR_SUCCESS) { 1281 error_setg_win32(errp, ret, "failed to get adapters addresses"); 1282 g_free(adptr_addrs); 1283 adptr_addrs = NULL; 1284 } 1285 return adptr_addrs; 1286 } 1287 1288 static char *guest_wctomb_dup(WCHAR *wstr) 1289 { 1290 char *str; 1291 size_t i; 1292 1293 i = wcslen(wstr) + 1; 1294 str = g_malloc(i); 1295 WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, 1296 wstr, -1, str, i, NULL, NULL); 1297 return str; 1298 } 1299 1300 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr, 1301 Error **errp) 1302 { 1303 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN]; 1304 DWORD len; 1305 int ret; 1306 1307 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET || 1308 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1309 len = sizeof(addr_str); 1310 ret = WSAAddressToString(ip_addr->Address.lpSockaddr, 1311 ip_addr->Address.iSockaddrLength, 1312 NULL, 1313 addr_str, 1314 &len); 1315 if (ret != 0) { 1316 error_setg_win32(errp, WSAGetLastError(), 1317 "failed address presentation form conversion"); 1318 return NULL; 1319 } 1320 return g_strdup(addr_str); 1321 } 1322 return NULL; 1323 } 1324 1325 #if (_WIN32_WINNT >= 0x0600) 1326 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1327 { 1328 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength 1329 * field to obtain the prefix. 1330 */ 1331 return ip_addr->OnLinkPrefixLength; 1332 } 1333 #else 1334 /* When using the Windows XP and 2003 build environment, do the best we can to 1335 * figure out the prefix. 1336 */ 1337 static IP_ADAPTER_INFO *guest_get_adapters_info(void) 1338 { 1339 IP_ADAPTER_INFO *adptr_info = NULL; 1340 ULONG adptr_info_len = 0; 1341 DWORD ret; 1342 1343 /* Call the first time to get the adptr_info_len. */ 1344 GetAdaptersInfo(adptr_info, &adptr_info_len); 1345 1346 adptr_info = g_malloc(adptr_info_len); 1347 ret = GetAdaptersInfo(adptr_info, &adptr_info_len); 1348 if (ret != ERROR_SUCCESS) { 1349 g_free(adptr_info); 1350 adptr_info = NULL; 1351 } 1352 return adptr_info; 1353 } 1354 1355 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1356 { 1357 int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */ 1358 IP_ADAPTER_INFO *adptr_info, *info; 1359 IP_ADDR_STRING *ip; 1360 struct in_addr *p; 1361 1362 if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) { 1363 return prefix; 1364 } 1365 adptr_info = guest_get_adapters_info(); 1366 if (adptr_info == NULL) { 1367 return prefix; 1368 } 1369 1370 /* Match up the passed in ip_addr with one found in adaptr_info. 1371 * The matching one in adptr_info will have the netmask. 1372 */ 1373 p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr; 1374 for (info = adptr_info; info; info = info->Next) { 1375 for (ip = &info->IpAddressList; ip; ip = ip->Next) { 1376 if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) { 1377 prefix = ctpop32(inet_addr(ip->IpMask.String)); 1378 goto out; 1379 } 1380 } 1381 } 1382 out: 1383 g_free(adptr_info); 1384 return prefix; 1385 } 1386 #endif 1387 1388 #define INTERFACE_PATH_BUF_SZ 512 1389 1390 static DWORD get_interface_index(const char *guid) 1391 { 1392 ULONG index; 1393 DWORD status; 1394 wchar_t wbuf[INTERFACE_PATH_BUF_SZ]; 1395 snwprintf(wbuf, INTERFACE_PATH_BUF_SZ, L"\\device\\tcpip_%s", guid); 1396 wbuf[INTERFACE_PATH_BUF_SZ - 1] = 0; 1397 status = GetAdapterIndex (wbuf, &index); 1398 if (status != NO_ERROR) { 1399 return (DWORD)~0; 1400 } else { 1401 return index; 1402 } 1403 } 1404 1405 typedef NETIOAPI_API (WINAPI *GetIfEntry2Func)(PMIB_IF_ROW2 Row); 1406 1407 static int guest_get_network_stats(const char *name, 1408 GuestNetworkInterfaceStat *stats) 1409 { 1410 OSVERSIONINFO os_ver; 1411 1412 os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1413 GetVersionEx(&os_ver); 1414 if (os_ver.dwMajorVersion >= 6) { 1415 MIB_IF_ROW2 a_mid_ifrow; 1416 GetIfEntry2Func getifentry2_ex; 1417 DWORD if_index = 0; 1418 HMODULE module = GetModuleHandle("iphlpapi"); 1419 PVOID func = GetProcAddress(module, "GetIfEntry2"); 1420 1421 if (func == NULL) { 1422 return -1; 1423 } 1424 1425 getifentry2_ex = (GetIfEntry2Func)func; 1426 if_index = get_interface_index(name); 1427 if (if_index == (DWORD)~0) { 1428 return -1; 1429 } 1430 1431 memset(&a_mid_ifrow, 0, sizeof(a_mid_ifrow)); 1432 a_mid_ifrow.InterfaceIndex = if_index; 1433 if (NO_ERROR == getifentry2_ex(&a_mid_ifrow)) { 1434 stats->rx_bytes = a_mid_ifrow.InOctets; 1435 stats->rx_packets = a_mid_ifrow.InUcastPkts; 1436 stats->rx_errs = a_mid_ifrow.InErrors; 1437 stats->rx_dropped = a_mid_ifrow.InDiscards; 1438 stats->tx_bytes = a_mid_ifrow.OutOctets; 1439 stats->tx_packets = a_mid_ifrow.OutUcastPkts; 1440 stats->tx_errs = a_mid_ifrow.OutErrors; 1441 stats->tx_dropped = a_mid_ifrow.OutDiscards; 1442 return 0; 1443 } 1444 } 1445 return -1; 1446 } 1447 1448 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp) 1449 { 1450 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr; 1451 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL; 1452 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL; 1453 GuestIpAddressList *head_addr, *cur_addr; 1454 GuestNetworkInterfaceList *info; 1455 GuestNetworkInterfaceStat *interface_stat = NULL; 1456 GuestIpAddressList *address_item = NULL; 1457 unsigned char *mac_addr; 1458 char *addr_str; 1459 WORD wsa_version; 1460 WSADATA wsa_data; 1461 int ret; 1462 1463 adptr_addrs = guest_get_adapters_addresses(errp); 1464 if (adptr_addrs == NULL) { 1465 return NULL; 1466 } 1467 1468 /* Make WSA APIs available. */ 1469 wsa_version = MAKEWORD(2, 2); 1470 ret = WSAStartup(wsa_version, &wsa_data); 1471 if (ret != 0) { 1472 error_setg_win32(errp, ret, "failed socket startup"); 1473 goto out; 1474 } 1475 1476 for (addr = adptr_addrs; addr; addr = addr->Next) { 1477 info = g_malloc0(sizeof(*info)); 1478 1479 if (cur_item == NULL) { 1480 head = cur_item = info; 1481 } else { 1482 cur_item->next = info; 1483 cur_item = info; 1484 } 1485 1486 info->value = g_malloc0(sizeof(*info->value)); 1487 info->value->name = guest_wctomb_dup(addr->FriendlyName); 1488 1489 if (addr->PhysicalAddressLength != 0) { 1490 mac_addr = addr->PhysicalAddress; 1491 1492 info->value->hardware_address = 1493 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x", 1494 (int) mac_addr[0], (int) mac_addr[1], 1495 (int) mac_addr[2], (int) mac_addr[3], 1496 (int) mac_addr[4], (int) mac_addr[5]); 1497 1498 info->value->has_hardware_address = true; 1499 } 1500 1501 head_addr = NULL; 1502 cur_addr = NULL; 1503 for (ip_addr = addr->FirstUnicastAddress; 1504 ip_addr; 1505 ip_addr = ip_addr->Next) { 1506 addr_str = guest_addr_to_str(ip_addr, errp); 1507 if (addr_str == NULL) { 1508 continue; 1509 } 1510 1511 address_item = g_malloc0(sizeof(*address_item)); 1512 1513 if (!cur_addr) { 1514 head_addr = cur_addr = address_item; 1515 } else { 1516 cur_addr->next = address_item; 1517 cur_addr = address_item; 1518 } 1519 1520 address_item->value = g_malloc0(sizeof(*address_item->value)); 1521 address_item->value->ip_address = addr_str; 1522 address_item->value->prefix = guest_ip_prefix(ip_addr); 1523 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) { 1524 address_item->value->ip_address_type = 1525 GUEST_IP_ADDRESS_TYPE_IPV4; 1526 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1527 address_item->value->ip_address_type = 1528 GUEST_IP_ADDRESS_TYPE_IPV6; 1529 } 1530 } 1531 if (head_addr) { 1532 info->value->has_ip_addresses = true; 1533 info->value->ip_addresses = head_addr; 1534 } 1535 if (!info->value->has_statistics) { 1536 interface_stat = g_malloc0(sizeof(*interface_stat)); 1537 if (guest_get_network_stats(addr->AdapterName, 1538 interface_stat) == -1) { 1539 info->value->has_statistics = false; 1540 g_free(interface_stat); 1541 } else { 1542 info->value->statistics = interface_stat; 1543 info->value->has_statistics = true; 1544 } 1545 } 1546 } 1547 WSACleanup(); 1548 out: 1549 g_free(adptr_addrs); 1550 return head; 1551 } 1552 1553 int64_t qmp_guest_get_time(Error **errp) 1554 { 1555 SYSTEMTIME ts = {0}; 1556 FILETIME tf; 1557 1558 GetSystemTime(&ts); 1559 if (ts.wYear < 1601 || ts.wYear > 30827) { 1560 error_setg(errp, "Failed to get time"); 1561 return -1; 1562 } 1563 1564 if (!SystemTimeToFileTime(&ts, &tf)) { 1565 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError()); 1566 return -1; 1567 } 1568 1569 return ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime) 1570 - W32_FT_OFFSET) * 100; 1571 } 1572 1573 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) 1574 { 1575 Error *local_err = NULL; 1576 SYSTEMTIME ts; 1577 FILETIME tf; 1578 LONGLONG time; 1579 1580 if (!has_time) { 1581 /* Unfortunately, Windows libraries don't provide an easy way to access 1582 * RTC yet: 1583 * 1584 * https://msdn.microsoft.com/en-us/library/aa908981.aspx 1585 * 1586 * Instead, a workaround is to use the Windows win32tm command to 1587 * resync the time using the Windows Time service. 1588 */ 1589 LPVOID msg_buffer; 1590 DWORD ret_flags; 1591 1592 HRESULT hr = system("w32tm /resync /nowait"); 1593 1594 if (GetLastError() != 0) { 1595 strerror_s((LPTSTR) & msg_buffer, 0, errno); 1596 error_setg(errp, "system(...) failed: %s", (LPCTSTR)msg_buffer); 1597 } else if (hr != 0) { 1598 if (hr == HRESULT_FROM_WIN32(ERROR_SERVICE_NOT_ACTIVE)) { 1599 error_setg(errp, "Windows Time service not running on the " 1600 "guest"); 1601 } else { 1602 if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | 1603 FORMAT_MESSAGE_FROM_SYSTEM | 1604 FORMAT_MESSAGE_IGNORE_INSERTS, NULL, 1605 (DWORD)hr, MAKELANGID(LANG_NEUTRAL, 1606 SUBLANG_DEFAULT), (LPTSTR) & msg_buffer, 0, 1607 NULL)) { 1608 error_setg(errp, "w32tm failed with error (0x%lx), couldn'" 1609 "t retrieve error message", hr); 1610 } else { 1611 error_setg(errp, "w32tm failed with error (0x%lx): %s", hr, 1612 (LPCTSTR)msg_buffer); 1613 LocalFree(msg_buffer); 1614 } 1615 } 1616 } else if (!InternetGetConnectedState(&ret_flags, 0)) { 1617 error_setg(errp, "No internet connection on guest, sync not " 1618 "accurate"); 1619 } 1620 return; 1621 } 1622 1623 /* Validate time passed by user. */ 1624 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { 1625 error_setg(errp, "Time %" PRId64 "is invalid", time_ns); 1626 return; 1627 } 1628 1629 time = time_ns / 100 + W32_FT_OFFSET; 1630 1631 tf.dwLowDateTime = (DWORD) time; 1632 tf.dwHighDateTime = (DWORD) (time >> 32); 1633 1634 if (!FileTimeToSystemTime(&tf, &ts)) { 1635 error_setg(errp, "Failed to convert system time %d", 1636 (int)GetLastError()); 1637 return; 1638 } 1639 1640 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err); 1641 if (local_err) { 1642 error_propagate(errp, local_err); 1643 return; 1644 } 1645 1646 if (!SetSystemTime(&ts)) { 1647 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); 1648 return; 1649 } 1650 } 1651 1652 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp) 1653 { 1654 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr; 1655 DWORD length; 1656 GuestLogicalProcessorList *head, **link; 1657 Error *local_err = NULL; 1658 int64_t current; 1659 1660 ptr = pslpi = NULL; 1661 length = 0; 1662 current = 0; 1663 head = NULL; 1664 link = &head; 1665 1666 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) && 1667 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) && 1668 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) { 1669 ptr = pslpi = g_malloc0(length); 1670 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) { 1671 error_setg(&local_err, "Failed to get processor information: %d", 1672 (int)GetLastError()); 1673 } 1674 } else { 1675 error_setg(&local_err, 1676 "Failed to get processor information buffer length: %d", 1677 (int)GetLastError()); 1678 } 1679 1680 while ((local_err == NULL) && (length > 0)) { 1681 if (pslpi->Relationship == RelationProcessorCore) { 1682 ULONG_PTR cpu_bits = pslpi->ProcessorMask; 1683 1684 while (cpu_bits > 0) { 1685 if (!!(cpu_bits & 1)) { 1686 GuestLogicalProcessor *vcpu; 1687 GuestLogicalProcessorList *entry; 1688 1689 vcpu = g_malloc0(sizeof *vcpu); 1690 vcpu->logical_id = current++; 1691 vcpu->online = true; 1692 vcpu->has_can_offline = true; 1693 1694 entry = g_malloc0(sizeof *entry); 1695 entry->value = vcpu; 1696 1697 *link = entry; 1698 link = &entry->next; 1699 } 1700 cpu_bits >>= 1; 1701 } 1702 } 1703 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); 1704 pslpi++; /* next entry */ 1705 } 1706 1707 g_free(ptr); 1708 1709 if (local_err == NULL) { 1710 if (head != NULL) { 1711 return head; 1712 } 1713 /* there's no guest with zero VCPUs */ 1714 error_setg(&local_err, "Guest reported zero VCPUs"); 1715 } 1716 1717 qapi_free_GuestLogicalProcessorList(head); 1718 error_propagate(errp, local_err); 1719 return NULL; 1720 } 1721 1722 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp) 1723 { 1724 error_setg(errp, QERR_UNSUPPORTED); 1725 return -1; 1726 } 1727 1728 static gchar * 1729 get_net_error_message(gint error) 1730 { 1731 HMODULE module = NULL; 1732 gchar *retval = NULL; 1733 wchar_t *msg = NULL; 1734 int flags; 1735 size_t nchars; 1736 1737 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER | 1738 FORMAT_MESSAGE_IGNORE_INSERTS | 1739 FORMAT_MESSAGE_FROM_SYSTEM; 1740 1741 if (error >= NERR_BASE && error <= MAX_NERR) { 1742 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE); 1743 1744 if (module != NULL) { 1745 flags |= FORMAT_MESSAGE_FROM_HMODULE; 1746 } 1747 } 1748 1749 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL); 1750 1751 if (msg != NULL) { 1752 nchars = wcslen(msg); 1753 1754 if (nchars >= 2 && 1755 msg[nchars - 1] == L'\n' && 1756 msg[nchars - 2] == L'\r') { 1757 msg[nchars - 2] = L'\0'; 1758 } 1759 1760 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL); 1761 1762 LocalFree(msg); 1763 } 1764 1765 if (module != NULL) { 1766 FreeLibrary(module); 1767 } 1768 1769 return retval; 1770 } 1771 1772 void qmp_guest_set_user_password(const char *username, 1773 const char *password, 1774 bool crypted, 1775 Error **errp) 1776 { 1777 NET_API_STATUS nas; 1778 char *rawpasswddata = NULL; 1779 size_t rawpasswdlen; 1780 wchar_t *user = NULL, *wpass = NULL; 1781 USER_INFO_1003 pi1003 = { 0, }; 1782 GError *gerr = NULL; 1783 1784 if (crypted) { 1785 error_setg(errp, QERR_UNSUPPORTED); 1786 return; 1787 } 1788 1789 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp); 1790 if (!rawpasswddata) { 1791 return; 1792 } 1793 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1); 1794 rawpasswddata[rawpasswdlen] = '\0'; 1795 1796 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr); 1797 if (!user) { 1798 goto done; 1799 } 1800 1801 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr); 1802 if (!wpass) { 1803 goto done; 1804 } 1805 1806 pi1003.usri1003_password = wpass; 1807 nas = NetUserSetInfo(NULL, user, 1808 1003, (LPBYTE)&pi1003, 1809 NULL); 1810 1811 if (nas != NERR_Success) { 1812 gchar *msg = get_net_error_message(nas); 1813 error_setg(errp, "failed to set password: %s", msg); 1814 g_free(msg); 1815 } 1816 1817 done: 1818 if (gerr) { 1819 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message); 1820 g_error_free(gerr); 1821 } 1822 g_free(user); 1823 g_free(wpass); 1824 g_free(rawpasswddata); 1825 } 1826 1827 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp) 1828 { 1829 error_setg(errp, QERR_UNSUPPORTED); 1830 return NULL; 1831 } 1832 1833 GuestMemoryBlockResponseList * 1834 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp) 1835 { 1836 error_setg(errp, QERR_UNSUPPORTED); 1837 return NULL; 1838 } 1839 1840 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp) 1841 { 1842 error_setg(errp, QERR_UNSUPPORTED); 1843 return NULL; 1844 } 1845 1846 /* add unsupported commands to the blacklist */ 1847 GList *ga_command_blacklist_init(GList *blacklist) 1848 { 1849 const char *list_unsupported[] = { 1850 "guest-suspend-hybrid", 1851 "guest-set-vcpus", 1852 "guest-get-memory-blocks", "guest-set-memory-blocks", 1853 "guest-get-memory-block-size", 1854 NULL}; 1855 char **p = (char **)list_unsupported; 1856 1857 while (*p) { 1858 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1859 } 1860 1861 if (!vss_init(true)) { 1862 g_debug("vss_init failed, vss commands are going to be disabled"); 1863 const char *list[] = { 1864 "guest-get-fsinfo", "guest-fsfreeze-status", 1865 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL}; 1866 p = (char **)list; 1867 1868 while (*p) { 1869 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1870 } 1871 } 1872 1873 return blacklist; 1874 } 1875 1876 /* register init/cleanup routines for stateful command groups */ 1877 void ga_command_state_init(GAState *s, GACommandState *cs) 1878 { 1879 if (!vss_initialized()) { 1880 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup); 1881 } 1882 } 1883 1884 /* MINGW is missing two fields: IncomingFrames & OutgoingFrames */ 1885 typedef struct _GA_WTSINFOA { 1886 WTS_CONNECTSTATE_CLASS State; 1887 DWORD SessionId; 1888 DWORD IncomingBytes; 1889 DWORD OutgoingBytes; 1890 DWORD IncomingFrames; 1891 DWORD OutgoingFrames; 1892 DWORD IncomingCompressedBytes; 1893 DWORD OutgoingCompressedBy; 1894 CHAR WinStationName[WINSTATIONNAME_LENGTH]; 1895 CHAR Domain[DOMAIN_LENGTH]; 1896 CHAR UserName[USERNAME_LENGTH + 1]; 1897 LARGE_INTEGER ConnectTime; 1898 LARGE_INTEGER DisconnectTime; 1899 LARGE_INTEGER LastInputTime; 1900 LARGE_INTEGER LogonTime; 1901 LARGE_INTEGER CurrentTime; 1902 1903 } GA_WTSINFOA; 1904 1905 GuestUserList *qmp_guest_get_users(Error **err) 1906 { 1907 #if (_WIN32_WINNT >= 0x0600) 1908 #define QGA_NANOSECONDS 10000000 1909 1910 GHashTable *cache = NULL; 1911 GuestUserList *head = NULL, *cur_item = NULL; 1912 1913 DWORD buffer_size = 0, count = 0, i = 0; 1914 GA_WTSINFOA *info = NULL; 1915 WTS_SESSION_INFOA *entries = NULL; 1916 GuestUserList *item = NULL; 1917 GuestUser *user = NULL; 1918 gpointer value = NULL; 1919 INT64 login = 0; 1920 double login_time = 0; 1921 1922 cache = g_hash_table_new(g_str_hash, g_str_equal); 1923 1924 if (WTSEnumerateSessionsA(NULL, 0, 1, &entries, &count)) { 1925 for (i = 0; i < count; ++i) { 1926 buffer_size = 0; 1927 info = NULL; 1928 if (WTSQuerySessionInformationA( 1929 NULL, 1930 entries[i].SessionId, 1931 WTSSessionInfo, 1932 (LPSTR *)&info, 1933 &buffer_size 1934 )) { 1935 1936 if (strlen(info->UserName) == 0) { 1937 WTSFreeMemory(info); 1938 continue; 1939 } 1940 1941 login = info->LogonTime.QuadPart; 1942 login -= W32_FT_OFFSET; 1943 login_time = ((double)login) / QGA_NANOSECONDS; 1944 1945 if (g_hash_table_contains(cache, info->UserName)) { 1946 value = g_hash_table_lookup(cache, info->UserName); 1947 user = (GuestUser *)value; 1948 if (user->login_time > login_time) { 1949 user->login_time = login_time; 1950 } 1951 } else { 1952 item = g_new0(GuestUserList, 1); 1953 item->value = g_new0(GuestUser, 1); 1954 1955 item->value->user = g_strdup(info->UserName); 1956 item->value->domain = g_strdup(info->Domain); 1957 item->value->has_domain = true; 1958 1959 item->value->login_time = login_time; 1960 1961 g_hash_table_add(cache, item->value->user); 1962 1963 if (!cur_item) { 1964 head = cur_item = item; 1965 } else { 1966 cur_item->next = item; 1967 cur_item = item; 1968 } 1969 } 1970 } 1971 WTSFreeMemory(info); 1972 } 1973 WTSFreeMemory(entries); 1974 } 1975 g_hash_table_destroy(cache); 1976 return head; 1977 #else 1978 error_setg(err, QERR_UNSUPPORTED); 1979 return NULL; 1980 #endif 1981 } 1982 1983 typedef struct _ga_matrix_lookup_t { 1984 int major; 1985 int minor; 1986 char const *version; 1987 char const *version_id; 1988 } ga_matrix_lookup_t; 1989 1990 static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][8] = { 1991 { 1992 /* Desktop editions */ 1993 { 5, 0, "Microsoft Windows 2000", "2000"}, 1994 { 5, 1, "Microsoft Windows XP", "xp"}, 1995 { 6, 0, "Microsoft Windows Vista", "vista"}, 1996 { 6, 1, "Microsoft Windows 7" "7"}, 1997 { 6, 2, "Microsoft Windows 8", "8"}, 1998 { 6, 3, "Microsoft Windows 8.1", "8.1"}, 1999 {10, 0, "Microsoft Windows 10", "10"}, 2000 { 0, 0, 0} 2001 },{ 2002 /* Server editions */ 2003 { 5, 2, "Microsoft Windows Server 2003", "2003"}, 2004 { 6, 0, "Microsoft Windows Server 2008", "2008"}, 2005 { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"}, 2006 { 6, 2, "Microsoft Windows Server 2012", "2012"}, 2007 { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"}, 2008 {10, 0, "Microsoft Windows Server 2016", "2016"}, 2009 { 0, 0, 0}, 2010 { 0, 0, 0} 2011 } 2012 }; 2013 2014 static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp) 2015 { 2016 typedef NTSTATUS(WINAPI * rtl_get_version_t)( 2017 RTL_OSVERSIONINFOEXW *os_version_info_ex); 2018 2019 info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW); 2020 2021 HMODULE module = GetModuleHandle("ntdll"); 2022 PVOID fun = GetProcAddress(module, "RtlGetVersion"); 2023 if (fun == NULL) { 2024 error_setg(errp, QERR_QGA_COMMAND_FAILED, 2025 "Failed to get address of RtlGetVersion"); 2026 return; 2027 } 2028 2029 rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun; 2030 rtl_get_version(info); 2031 return; 2032 } 2033 2034 static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id) 2035 { 2036 DWORD major = os_version->dwMajorVersion; 2037 DWORD minor = os_version->dwMinorVersion; 2038 int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION); 2039 ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx]; 2040 while (table->version != NULL) { 2041 if (major == table->major && minor == table->minor) { 2042 if (id) { 2043 return g_strdup(table->version_id); 2044 } else { 2045 return g_strdup(table->version); 2046 } 2047 } 2048 ++table; 2049 } 2050 slog("failed to lookup Windows version: major=%lu, minor=%lu", 2051 major, minor); 2052 return g_strdup("N/A"); 2053 } 2054 2055 static char *ga_get_win_product_name(Error **errp) 2056 { 2057 HKEY key = NULL; 2058 DWORD size = 128; 2059 char *result = g_malloc0(size); 2060 LONG err = ERROR_SUCCESS; 2061 2062 err = RegOpenKeyA(HKEY_LOCAL_MACHINE, 2063 "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", 2064 &key); 2065 if (err != ERROR_SUCCESS) { 2066 error_setg_win32(errp, err, "failed to open registry key"); 2067 goto fail; 2068 } 2069 2070 err = RegQueryValueExA(key, "ProductName", NULL, NULL, 2071 (LPBYTE)result, &size); 2072 if (err == ERROR_MORE_DATA) { 2073 slog("ProductName longer than expected (%lu bytes), retrying", 2074 size); 2075 g_free(result); 2076 result = NULL; 2077 if (size > 0) { 2078 result = g_malloc0(size); 2079 err = RegQueryValueExA(key, "ProductName", NULL, NULL, 2080 (LPBYTE)result, &size); 2081 } 2082 } 2083 if (err != ERROR_SUCCESS) { 2084 error_setg_win32(errp, err, "failed to retrive ProductName"); 2085 goto fail; 2086 } 2087 2088 return result; 2089 2090 fail: 2091 g_free(result); 2092 return NULL; 2093 } 2094 2095 static char *ga_get_current_arch(void) 2096 { 2097 SYSTEM_INFO info; 2098 GetNativeSystemInfo(&info); 2099 char *result = NULL; 2100 switch (info.wProcessorArchitecture) { 2101 case PROCESSOR_ARCHITECTURE_AMD64: 2102 result = g_strdup("x86_64"); 2103 break; 2104 case PROCESSOR_ARCHITECTURE_ARM: 2105 result = g_strdup("arm"); 2106 break; 2107 case PROCESSOR_ARCHITECTURE_IA64: 2108 result = g_strdup("ia64"); 2109 break; 2110 case PROCESSOR_ARCHITECTURE_INTEL: 2111 result = g_strdup("x86"); 2112 break; 2113 case PROCESSOR_ARCHITECTURE_UNKNOWN: 2114 default: 2115 slog("unknown processor architecture 0x%0x", 2116 info.wProcessorArchitecture); 2117 result = g_strdup("unknown"); 2118 break; 2119 } 2120 return result; 2121 } 2122 2123 GuestOSInfo *qmp_guest_get_osinfo(Error **errp) 2124 { 2125 Error *local_err = NULL; 2126 OSVERSIONINFOEXW os_version = {0}; 2127 bool server; 2128 char *product_name; 2129 GuestOSInfo *info; 2130 2131 ga_get_win_version(&os_version, &local_err); 2132 if (local_err) { 2133 error_propagate(errp, local_err); 2134 return NULL; 2135 } 2136 2137 server = os_version.wProductType != VER_NT_WORKSTATION; 2138 product_name = ga_get_win_product_name(&local_err); 2139 if (product_name == NULL) { 2140 error_propagate(errp, local_err); 2141 return NULL; 2142 } 2143 2144 info = g_new0(GuestOSInfo, 1); 2145 2146 info->has_kernel_version = true; 2147 info->kernel_version = g_strdup_printf("%lu.%lu", 2148 os_version.dwMajorVersion, 2149 os_version.dwMinorVersion); 2150 info->has_kernel_release = true; 2151 info->kernel_release = g_strdup_printf("%lu", 2152 os_version.dwBuildNumber); 2153 info->has_machine = true; 2154 info->machine = ga_get_current_arch(); 2155 2156 info->has_id = true; 2157 info->id = g_strdup("mswindows"); 2158 info->has_name = true; 2159 info->name = g_strdup("Microsoft Windows"); 2160 info->has_pretty_name = true; 2161 info->pretty_name = product_name; 2162 info->has_version = true; 2163 info->version = ga_get_win_name(&os_version, false); 2164 info->has_version_id = true; 2165 info->version_id = ga_get_win_name(&os_version, true); 2166 info->has_variant = true; 2167 info->variant = g_strdup(server ? "server" : "client"); 2168 info->has_variant_id = true; 2169 info->variant_id = g_strdup(server ? "server" : "client"); 2170 2171 return info; 2172 } 2173