1 /* 2 * QEMU Guest Agent win32-specific command implementations 3 * 4 * Copyright IBM Corp. 2012 5 * 6 * Authors: 7 * Michael Roth <mdroth@linux.vnet.ibm.com> 8 * Gal Hammer <ghammer@redhat.com> 9 * 10 * This work is licensed under the terms of the GNU GPL, version 2 or later. 11 * See the COPYING file in the top-level directory. 12 */ 13 14 #ifndef _WIN32_WINNT 15 # define _WIN32_WINNT 0x0600 16 #endif 17 18 #include "qemu/osdep.h" 19 #include <wtypes.h> 20 #include <powrprof.h> 21 #include <winsock2.h> 22 #include <ws2tcpip.h> 23 #include <iptypes.h> 24 #include <iphlpapi.h> 25 #ifdef CONFIG_QGA_NTDDSCSI 26 #include <winioctl.h> 27 #include <ntddscsi.h> 28 #include <setupapi.h> 29 #include <initguid.h> 30 #endif 31 #include <lm.h> 32 #include <wtsapi32.h> 33 #include <wininet.h> 34 35 #include "guest-agent-core.h" 36 #include "vss-win32.h" 37 #include "qga-qapi-commands.h" 38 #include "qapi/error.h" 39 #include "qapi/qmp/qerror.h" 40 #include "qemu/queue.h" 41 #include "qemu/host-utils.h" 42 #include "qemu/base64.h" 43 44 #ifndef SHTDN_REASON_FLAG_PLANNED 45 #define SHTDN_REASON_FLAG_PLANNED 0x80000000 46 #endif 47 48 /* multiple of 100 nanoseconds elapsed between windows baseline 49 * (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */ 50 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \ 51 (365 * (1970 - 1601) + \ 52 (1970 - 1601) / 4 - 3)) 53 54 #define INVALID_SET_FILE_POINTER ((DWORD)-1) 55 56 typedef struct GuestFileHandle { 57 int64_t id; 58 HANDLE fh; 59 QTAILQ_ENTRY(GuestFileHandle) next; 60 } GuestFileHandle; 61 62 static struct { 63 QTAILQ_HEAD(, GuestFileHandle) filehandles; 64 } guest_file_state = { 65 .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles), 66 }; 67 68 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA) 69 70 typedef struct OpenFlags { 71 const char *forms; 72 DWORD desired_access; 73 DWORD creation_disposition; 74 } OpenFlags; 75 static OpenFlags guest_file_open_modes[] = { 76 {"r", GENERIC_READ, OPEN_EXISTING}, 77 {"rb", GENERIC_READ, OPEN_EXISTING}, 78 {"w", GENERIC_WRITE, CREATE_ALWAYS}, 79 {"wb", GENERIC_WRITE, CREATE_ALWAYS}, 80 {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS }, 81 {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 82 {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 83 {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 84 {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 85 {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 86 {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 87 {"a+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }, 88 {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }, 89 {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS } 90 }; 91 92 #define debug_error(msg) do { \ 93 char *suffix = g_win32_error_message(GetLastError()); \ 94 g_debug("%s: %s", (msg), suffix); \ 95 g_free(suffix); \ 96 } while (0) 97 98 static OpenFlags *find_open_flag(const char *mode_str) 99 { 100 int mode; 101 Error **errp = NULL; 102 103 for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) { 104 OpenFlags *flags = guest_file_open_modes + mode; 105 106 if (strcmp(flags->forms, mode_str) == 0) { 107 return flags; 108 } 109 } 110 111 error_setg(errp, "invalid file open mode '%s'", mode_str); 112 return NULL; 113 } 114 115 static int64_t guest_file_handle_add(HANDLE fh, Error **errp) 116 { 117 GuestFileHandle *gfh; 118 int64_t handle; 119 120 handle = ga_get_fd_handle(ga_state, errp); 121 if (handle < 0) { 122 return -1; 123 } 124 gfh = g_new0(GuestFileHandle, 1); 125 gfh->id = handle; 126 gfh->fh = fh; 127 QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next); 128 129 return handle; 130 } 131 132 static GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp) 133 { 134 GuestFileHandle *gfh; 135 QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) { 136 if (gfh->id == id) { 137 return gfh; 138 } 139 } 140 error_setg(errp, "handle '%" PRId64 "' has not been found", id); 141 return NULL; 142 } 143 144 static void handle_set_nonblocking(HANDLE fh) 145 { 146 DWORD file_type, pipe_state; 147 file_type = GetFileType(fh); 148 if (file_type != FILE_TYPE_PIPE) { 149 return; 150 } 151 /* If file_type == FILE_TYPE_PIPE, according to MSDN 152 * the specified file is socket or named pipe */ 153 if (!GetNamedPipeHandleState(fh, &pipe_state, NULL, 154 NULL, NULL, NULL, 0)) { 155 return; 156 } 157 /* The fd is named pipe fd */ 158 if (pipe_state & PIPE_NOWAIT) { 159 return; 160 } 161 162 pipe_state |= PIPE_NOWAIT; 163 SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL); 164 } 165 166 int64_t qmp_guest_file_open(const char *path, bool has_mode, 167 const char *mode, Error **errp) 168 { 169 int64_t fd = -1; 170 HANDLE fh; 171 HANDLE templ_file = NULL; 172 DWORD share_mode = FILE_SHARE_READ; 173 DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL; 174 LPSECURITY_ATTRIBUTES sa_attr = NULL; 175 OpenFlags *guest_flags; 176 GError *gerr = NULL; 177 wchar_t *w_path = NULL; 178 179 if (!has_mode) { 180 mode = "r"; 181 } 182 slog("guest-file-open called, filepath: %s, mode: %s", path, mode); 183 guest_flags = find_open_flag(mode); 184 if (guest_flags == NULL) { 185 error_setg(errp, "invalid file open mode"); 186 goto done; 187 } 188 189 w_path = g_utf8_to_utf16(path, -1, NULL, NULL, &gerr); 190 if (!w_path) { 191 goto done; 192 } 193 194 fh = CreateFileW(w_path, guest_flags->desired_access, share_mode, sa_attr, 195 guest_flags->creation_disposition, flags_and_attr, 196 templ_file); 197 if (fh == INVALID_HANDLE_VALUE) { 198 error_setg_win32(errp, GetLastError(), "failed to open file '%s'", 199 path); 200 goto done; 201 } 202 203 /* set fd non-blocking to avoid common use cases (like reading from a 204 * named pipe) from hanging the agent 205 */ 206 handle_set_nonblocking(fh); 207 208 fd = guest_file_handle_add(fh, errp); 209 if (fd < 0) { 210 CloseHandle(fh); 211 error_setg(errp, "failed to add handle to qmp handle table"); 212 goto done; 213 } 214 215 slog("guest-file-open, handle: % " PRId64, fd); 216 217 done: 218 if (gerr) { 219 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message); 220 g_error_free(gerr); 221 } 222 g_free(w_path); 223 return fd; 224 } 225 226 void qmp_guest_file_close(int64_t handle, Error **errp) 227 { 228 bool ret; 229 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 230 slog("guest-file-close called, handle: %" PRId64, handle); 231 if (gfh == NULL) { 232 return; 233 } 234 ret = CloseHandle(gfh->fh); 235 if (!ret) { 236 error_setg_win32(errp, GetLastError(), "failed close handle"); 237 return; 238 } 239 240 QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next); 241 g_free(gfh); 242 } 243 244 static void acquire_privilege(const char *name, Error **errp) 245 { 246 HANDLE token = NULL; 247 TOKEN_PRIVILEGES priv; 248 Error *local_err = NULL; 249 250 if (OpenProcessToken(GetCurrentProcess(), 251 TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token)) 252 { 253 if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) { 254 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 255 "no luid for requested privilege"); 256 goto out; 257 } 258 259 priv.PrivilegeCount = 1; 260 priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 261 262 if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) { 263 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 264 "unable to acquire requested privilege"); 265 goto out; 266 } 267 268 } else { 269 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 270 "failed to open privilege token"); 271 } 272 273 out: 274 if (token) { 275 CloseHandle(token); 276 } 277 error_propagate(errp, local_err); 278 } 279 280 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque, 281 Error **errp) 282 { 283 Error *local_err = NULL; 284 285 HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL); 286 if (!thread) { 287 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 288 "failed to dispatch asynchronous command"); 289 error_propagate(errp, local_err); 290 } 291 } 292 293 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) 294 { 295 Error *local_err = NULL; 296 UINT shutdown_flag = EWX_FORCE; 297 298 slog("guest-shutdown called, mode: %s", mode); 299 300 if (!has_mode || strcmp(mode, "powerdown") == 0) { 301 shutdown_flag |= EWX_POWEROFF; 302 } else if (strcmp(mode, "halt") == 0) { 303 shutdown_flag |= EWX_SHUTDOWN; 304 } else if (strcmp(mode, "reboot") == 0) { 305 shutdown_flag |= EWX_REBOOT; 306 } else { 307 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode", 308 "halt|powerdown|reboot"); 309 return; 310 } 311 312 /* Request a shutdown privilege, but try to shut down the system 313 anyway. */ 314 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 315 if (local_err) { 316 error_propagate(errp, local_err); 317 return; 318 } 319 320 if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) { 321 slog("guest-shutdown failed: %lu", GetLastError()); 322 error_setg(errp, QERR_UNDEFINED_ERROR); 323 } 324 } 325 326 GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count, 327 int64_t count, Error **errp) 328 { 329 GuestFileRead *read_data = NULL; 330 guchar *buf; 331 HANDLE fh; 332 bool is_ok; 333 DWORD read_count; 334 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 335 336 if (!gfh) { 337 return NULL; 338 } 339 if (!has_count) { 340 count = QGA_READ_COUNT_DEFAULT; 341 } else if (count < 0 || count >= UINT32_MAX) { 342 error_setg(errp, "value '%" PRId64 343 "' is invalid for argument count", count); 344 return NULL; 345 } 346 347 fh = gfh->fh; 348 buf = g_malloc0(count+1); 349 is_ok = ReadFile(fh, buf, count, &read_count, NULL); 350 if (!is_ok) { 351 error_setg_win32(errp, GetLastError(), "failed to read file"); 352 slog("guest-file-read failed, handle %" PRId64, handle); 353 } else { 354 buf[read_count] = 0; 355 read_data = g_new0(GuestFileRead, 1); 356 read_data->count = (size_t)read_count; 357 read_data->eof = read_count == 0; 358 359 if (read_count != 0) { 360 read_data->buf_b64 = g_base64_encode(buf, read_count); 361 } 362 } 363 g_free(buf); 364 365 return read_data; 366 } 367 368 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64, 369 bool has_count, int64_t count, 370 Error **errp) 371 { 372 GuestFileWrite *write_data = NULL; 373 guchar *buf; 374 gsize buf_len; 375 bool is_ok; 376 DWORD write_count; 377 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 378 HANDLE fh; 379 380 if (!gfh) { 381 return NULL; 382 } 383 fh = gfh->fh; 384 buf = qbase64_decode(buf_b64, -1, &buf_len, errp); 385 if (!buf) { 386 return NULL; 387 } 388 389 if (!has_count) { 390 count = buf_len; 391 } else if (count < 0 || count > buf_len) { 392 error_setg(errp, "value '%" PRId64 393 "' is invalid for argument count", count); 394 goto done; 395 } 396 397 is_ok = WriteFile(fh, buf, count, &write_count, NULL); 398 if (!is_ok) { 399 error_setg_win32(errp, GetLastError(), "failed to write to file"); 400 slog("guest-file-write-failed, handle: %" PRId64, handle); 401 } else { 402 write_data = g_new0(GuestFileWrite, 1); 403 write_data->count = (size_t) write_count; 404 } 405 406 done: 407 g_free(buf); 408 return write_data; 409 } 410 411 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset, 412 GuestFileWhence *whence_code, 413 Error **errp) 414 { 415 GuestFileHandle *gfh; 416 GuestFileSeek *seek_data; 417 HANDLE fh; 418 LARGE_INTEGER new_pos, off_pos; 419 off_pos.QuadPart = offset; 420 BOOL res; 421 int whence; 422 Error *err = NULL; 423 424 gfh = guest_file_handle_find(handle, errp); 425 if (!gfh) { 426 return NULL; 427 } 428 429 /* We stupidly exposed 'whence':'int' in our qapi */ 430 whence = ga_parse_whence(whence_code, &err); 431 if (err) { 432 error_propagate(errp, err); 433 return NULL; 434 } 435 436 fh = gfh->fh; 437 res = SetFilePointerEx(fh, off_pos, &new_pos, whence); 438 if (!res) { 439 error_setg_win32(errp, GetLastError(), "failed to seek file"); 440 return NULL; 441 } 442 seek_data = g_new0(GuestFileSeek, 1); 443 seek_data->position = new_pos.QuadPart; 444 return seek_data; 445 } 446 447 void qmp_guest_file_flush(int64_t handle, Error **errp) 448 { 449 HANDLE fh; 450 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 451 if (!gfh) { 452 return; 453 } 454 455 fh = gfh->fh; 456 if (!FlushFileBuffers(fh)) { 457 error_setg_win32(errp, GetLastError(), "failed to flush file"); 458 } 459 } 460 461 #ifdef CONFIG_QGA_NTDDSCSI 462 463 static STORAGE_BUS_TYPE win2qemu[] = { 464 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN, 465 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI, 466 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE, 467 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE, 468 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394, 469 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA, 470 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA, 471 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB, 472 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID, 473 #if (_WIN32_WINNT >= 0x0600) 474 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI, 475 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS, 476 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA, 477 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD, 478 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC, 479 #endif 480 #if (_WIN32_WINNT >= 0x0601) 481 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL, 482 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL, 483 #endif 484 }; 485 486 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus) 487 { 488 if (bus >= ARRAY_SIZE(win2qemu) || (int)bus < 0) { 489 return GUEST_DISK_BUS_TYPE_UNKNOWN; 490 } 491 return win2qemu[(int)bus]; 492 } 493 494 /* XXX: The following function is BROKEN! 495 * 496 * It does not work and probably has never worked. When we query for list of 497 * disks we get cryptic names like "\Device\0000001d" instead of 498 * "\PhysicalDriveX" or "\HarddiskX". Whether the names can be translated one 499 * way or the other for comparison is an open question. 500 * 501 * When we query volume names (the original version) we are able to match those 502 * but then the property queries report error "Invalid function". (duh!) 503 */ 504 505 /* 506 DEFINE_GUID(GUID_DEVINTERFACE_VOLUME, 507 0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2, 508 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); 509 */ 510 DEFINE_GUID(GUID_DEVINTERFACE_DISK, 511 0x53f56307L, 0xb6bf, 0x11d0, 0x94, 0xf2, 512 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); 513 514 515 static GuestPCIAddress *get_pci_info(char *guid, Error **errp) 516 { 517 HDEVINFO dev_info; 518 SP_DEVINFO_DATA dev_info_data; 519 DWORD size = 0; 520 int i; 521 char dev_name[MAX_PATH]; 522 char *buffer = NULL; 523 GuestPCIAddress *pci = NULL; 524 char *name = NULL; 525 bool partial_pci = false; 526 pci = g_malloc0(sizeof(*pci)); 527 pci->domain = -1; 528 pci->slot = -1; 529 pci->function = -1; 530 pci->bus = -1; 531 532 if (g_str_has_prefix(guid, "\\\\.\\") || 533 g_str_has_prefix(guid, "\\\\?\\")) { 534 name = g_strdup(guid + 4); 535 } else { 536 name = g_strdup(guid); 537 } 538 539 if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) { 540 error_setg_win32(errp, GetLastError(), "failed to get dos device name"); 541 goto out; 542 } 543 544 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_DISK, 0, 0, 545 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); 546 if (dev_info == INVALID_HANDLE_VALUE) { 547 error_setg_win32(errp, GetLastError(), "failed to get devices tree"); 548 goto out; 549 } 550 551 g_debug("enumerating devices"); 552 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); 553 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) { 554 DWORD addr, bus, slot, data, size2; 555 int func, dev; 556 while (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 557 SPDRP_PHYSICAL_DEVICE_OBJECT_NAME, 558 &data, (PBYTE)buffer, size, 559 &size2)) { 560 size = MAX(size, size2); 561 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { 562 g_free(buffer); 563 /* Double the size to avoid problems on 564 * W2k MBCS systems per KB 888609. 565 * https://support.microsoft.com/en-us/kb/259695 */ 566 buffer = g_malloc(size * 2); 567 } else { 568 error_setg_win32(errp, GetLastError(), 569 "failed to get device name"); 570 goto free_dev_info; 571 } 572 } 573 574 if (g_strcmp0(buffer, dev_name)) { 575 continue; 576 } 577 g_debug("found device %s", dev_name); 578 579 /* There is no need to allocate buffer in the next functions. The size 580 * is known and ULONG according to 581 * https://support.microsoft.com/en-us/kb/253232 582 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx 583 */ 584 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 585 SPDRP_BUSNUMBER, &data, (PBYTE)&bus, size, NULL)) { 586 debug_error("failed to get bus"); 587 bus = -1; 588 partial_pci = true; 589 } 590 591 /* The function retrieves the device's address. This value will be 592 * transformed into device function and number */ 593 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 594 SPDRP_ADDRESS, &data, (PBYTE)&addr, size, NULL)) { 595 debug_error("failed to get address"); 596 addr = -1; 597 partial_pci = true; 598 } 599 600 /* This call returns UINumber of DEVICE_CAPABILITIES structure. 601 * This number is typically a user-perceived slot number. */ 602 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 603 SPDRP_UI_NUMBER, &data, (PBYTE)&slot, size, NULL)) { 604 debug_error("failed to get slot"); 605 slot = -1; 606 partial_pci = true; 607 } 608 609 /* SetupApi gives us the same information as driver with 610 * IoGetDeviceProperty. According to Microsoft 611 * https://support.microsoft.com/en-us/kb/253232 612 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF); 613 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF); 614 * SPDRP_ADDRESS is propertyAddress, so we do the same.*/ 615 616 if (partial_pci) { 617 pci->domain = -1; 618 pci->slot = -1; 619 pci->function = -1; 620 pci->bus = -1; 621 } else { 622 func = ((int) addr == -1) ? -1 : addr & 0x0000FFFF; 623 dev = ((int) addr == -1) ? -1 : (addr >> 16) & 0x0000FFFF; 624 pci->domain = dev; 625 pci->slot = (int) slot; 626 pci->function = func; 627 pci->bus = (int) bus; 628 } 629 break; 630 } 631 632 free_dev_info: 633 SetupDiDestroyDeviceInfoList(dev_info); 634 out: 635 g_free(buffer); 636 g_free(name); 637 return pci; 638 } 639 640 static void get_disk_properties(HANDLE vol_h, GuestDiskAddress *disk, 641 Error **errp) 642 { 643 STORAGE_PROPERTY_QUERY query; 644 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf; 645 DWORD received; 646 ULONG size = sizeof(buf); 647 648 dev_desc = &buf; 649 query.PropertyId = StorageDeviceProperty; 650 query.QueryType = PropertyStandardQuery; 651 652 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query, 653 sizeof(STORAGE_PROPERTY_QUERY), dev_desc, 654 size, &received, NULL)) { 655 error_setg_win32(errp, GetLastError(), "failed to get bus type"); 656 return; 657 } 658 disk->bus_type = find_bus_type(dev_desc->BusType); 659 g_debug("bus type %d", disk->bus_type); 660 661 /* Query once more. Now with long enough buffer. */ 662 size = dev_desc->Size; 663 dev_desc = g_malloc0(size); 664 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query, 665 sizeof(STORAGE_PROPERTY_QUERY), dev_desc, 666 size, &received, NULL)) { 667 error_setg_win32(errp, GetLastError(), "failed to get serial number"); 668 g_debug("failed to get serial number"); 669 goto out_free; 670 } 671 if (dev_desc->SerialNumberOffset > 0) { 672 const char *serial; 673 size_t len; 674 675 if (dev_desc->SerialNumberOffset >= received) { 676 error_setg(errp, "failed to get serial number: offset outside the buffer"); 677 g_debug("serial number offset outside the buffer"); 678 goto out_free; 679 } 680 serial = (char *)dev_desc + dev_desc->SerialNumberOffset; 681 len = received - dev_desc->SerialNumberOffset; 682 g_debug("serial number \"%s\"", serial); 683 if (*serial != 0) { 684 disk->serial = g_strndup(serial, len); 685 disk->has_serial = true; 686 } 687 } 688 out_free: 689 g_free(dev_desc); 690 691 return; 692 } 693 694 static void get_single_disk_info(GuestDiskAddress *disk, Error **errp) 695 { 696 SCSI_ADDRESS addr, *scsi_ad; 697 DWORD len; 698 HANDLE disk_h; 699 Error *local_err = NULL; 700 701 scsi_ad = &addr; 702 703 g_debug("getting disk info for: %s", disk->dev); 704 disk_h = CreateFile(disk->dev, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 705 0, NULL); 706 if (disk_h == INVALID_HANDLE_VALUE) { 707 error_setg_win32(errp, GetLastError(), "failed to open disk"); 708 return; 709 } 710 711 get_disk_properties(disk_h, disk, &local_err); 712 if (local_err) { 713 error_propagate(errp, local_err); 714 goto err_close; 715 } 716 717 g_debug("bus type %d", disk->bus_type); 718 /* always set pci_controller as required by schema. get_pci_info() should 719 * report -1 values for non-PCI buses rather than fail. fail the command 720 * if that doesn't hold since that suggests some other unexpected 721 * breakage 722 */ 723 disk->pci_controller = get_pci_info(disk->dev, &local_err); 724 if (local_err) { 725 error_propagate(errp, local_err); 726 goto err_close; 727 } 728 if (disk->bus_type == GUEST_DISK_BUS_TYPE_SCSI 729 || disk->bus_type == GUEST_DISK_BUS_TYPE_IDE 730 || disk->bus_type == GUEST_DISK_BUS_TYPE_RAID 731 #if (_WIN32_WINNT >= 0x0600) 732 /* This bus type is not supported before Windows Server 2003 SP1 */ 733 || disk->bus_type == GUEST_DISK_BUS_TYPE_SAS 734 #endif 735 ) { 736 /* We are able to use the same ioctls for different bus types 737 * according to Microsoft docs 738 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */ 739 g_debug("getting pci-controller info"); 740 if (DeviceIoControl(disk_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad, 741 sizeof(SCSI_ADDRESS), &len, NULL)) { 742 disk->unit = addr.Lun; 743 disk->target = addr.TargetId; 744 disk->bus = addr.PathId; 745 } 746 /* We do not set error in this case, because we still have enough 747 * information about volume. */ 748 } 749 750 err_close: 751 CloseHandle(disk_h); 752 return; 753 } 754 755 /* VSS provider works with volumes, thus there is no difference if 756 * the volume consist of spanned disks. Info about the first disk in the 757 * volume is returned for the spanned disk group (LVM) */ 758 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 759 { 760 Error *local_err = NULL; 761 GuestDiskAddressList *list = NULL, *cur_item = NULL; 762 GuestDiskAddress *disk = NULL; 763 int i; 764 HANDLE vol_h; 765 DWORD size; 766 PVOLUME_DISK_EXTENTS extents = NULL; 767 768 /* strip final backslash */ 769 char *name = g_strdup(guid); 770 if (g_str_has_suffix(name, "\\")) { 771 name[strlen(name) - 1] = 0; 772 } 773 774 g_debug("opening %s", name); 775 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 776 0, NULL); 777 if (vol_h == INVALID_HANDLE_VALUE) { 778 error_setg_win32(errp, GetLastError(), "failed to open volume"); 779 goto out; 780 } 781 782 /* Get list of extents */ 783 g_debug("getting disk extents"); 784 size = sizeof(VOLUME_DISK_EXTENTS); 785 extents = g_malloc0(size); 786 if (!DeviceIoControl(vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL, 787 0, extents, size, NULL, NULL)) { 788 DWORD last_err = GetLastError(); 789 if (last_err == ERROR_MORE_DATA) { 790 /* Try once more with big enough buffer */ 791 size = sizeof(VOLUME_DISK_EXTENTS) 792 + extents->NumberOfDiskExtents*sizeof(DISK_EXTENT); 793 g_free(extents); 794 extents = g_malloc0(size); 795 if (!DeviceIoControl( 796 vol_h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS, NULL, 797 0, extents, size, NULL, NULL)) { 798 error_setg_win32(errp, GetLastError(), 799 "failed to get disk extents"); 800 return NULL; 801 } 802 } else if (last_err == ERROR_INVALID_FUNCTION) { 803 /* Possibly CD-ROM or a shared drive. Try to pass the volume */ 804 g_debug("volume not on disk"); 805 disk = g_malloc0(sizeof(GuestDiskAddress)); 806 disk->has_dev = true; 807 disk->dev = g_strdup(name); 808 get_single_disk_info(disk, &local_err); 809 if (local_err) { 810 g_debug("failed to get disk info, ignoring error: %s", 811 error_get_pretty(local_err)); 812 error_free(local_err); 813 goto out; 814 } 815 list = g_malloc0(sizeof(*list)); 816 list->value = disk; 817 disk = NULL; 818 list->next = NULL; 819 goto out; 820 } else { 821 error_setg_win32(errp, GetLastError(), 822 "failed to get disk extents"); 823 goto out; 824 } 825 } 826 g_debug("Number of extents: %lu", extents->NumberOfDiskExtents); 827 828 /* Go through each extent */ 829 for (i = 0; i < extents->NumberOfDiskExtents; i++) { 830 disk = g_malloc0(sizeof(GuestDiskAddress)); 831 832 /* Disk numbers directly correspond to numbers used in UNCs 833 * 834 * See documentation for DISK_EXTENT: 835 * https://docs.microsoft.com/en-us/windows/desktop/api/winioctl/ns-winioctl-_disk_extent 836 * 837 * See also Naming Files, Paths and Namespaces: 838 * https://docs.microsoft.com/en-us/windows/desktop/FileIO/naming-a-file#win32-device-namespaces 839 */ 840 disk->has_dev = true; 841 disk->dev = g_strdup_printf("\\\\.\\PhysicalDrive%lu", 842 extents->Extents[i].DiskNumber); 843 844 get_single_disk_info(disk, &local_err); 845 if (local_err) { 846 error_propagate(errp, local_err); 847 goto out; 848 } 849 cur_item = g_malloc0(sizeof(*list)); 850 cur_item->value = disk; 851 disk = NULL; 852 cur_item->next = list; 853 list = cur_item; 854 } 855 856 857 out: 858 qapi_free_GuestDiskAddress(disk); 859 g_free(extents); 860 g_free(name); 861 862 return list; 863 } 864 865 #else 866 867 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 868 { 869 return NULL; 870 } 871 872 #endif /* CONFIG_QGA_NTDDSCSI */ 873 874 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp) 875 { 876 DWORD info_size; 877 char mnt, *mnt_point; 878 char fs_name[32]; 879 char vol_info[MAX_PATH+1]; 880 size_t len; 881 uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes; 882 GuestFilesystemInfo *fs = NULL; 883 884 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size); 885 if (GetLastError() != ERROR_MORE_DATA) { 886 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 887 return NULL; 888 } 889 890 mnt_point = g_malloc(info_size + 1); 891 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size, 892 &info_size)) { 893 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 894 goto free; 895 } 896 897 len = strlen(mnt_point); 898 mnt_point[len] = '\\'; 899 mnt_point[len+1] = 0; 900 if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL, 901 NULL, (LPSTR)&fs_name, sizeof(fs_name))) { 902 if (GetLastError() != ERROR_NOT_READY) { 903 error_setg_win32(errp, GetLastError(), "failed to get volume info"); 904 } 905 goto free; 906 } 907 908 fs_name[sizeof(fs_name) - 1] = 0; 909 fs = g_malloc(sizeof(*fs)); 910 fs->name = g_strdup(guid); 911 fs->has_total_bytes = false; 912 fs->has_used_bytes = false; 913 if (len == 0) { 914 fs->mountpoint = g_strdup("System Reserved"); 915 } else { 916 fs->mountpoint = g_strndup(mnt_point, len); 917 if (GetDiskFreeSpaceEx(fs->mountpoint, 918 (PULARGE_INTEGER) & i64FreeBytesToCaller, 919 (PULARGE_INTEGER) & i64TotalBytes, 920 (PULARGE_INTEGER) & i64FreeBytes)) { 921 fs->used_bytes = i64TotalBytes - i64FreeBytes; 922 fs->total_bytes = i64TotalBytes; 923 fs->has_total_bytes = true; 924 fs->has_used_bytes = true; 925 } 926 } 927 fs->type = g_strdup(fs_name); 928 fs->disk = build_guest_disk_info(guid, errp); 929 free: 930 g_free(mnt_point); 931 return fs; 932 } 933 934 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp) 935 { 936 HANDLE vol_h; 937 GuestFilesystemInfoList *new, *ret = NULL; 938 char guid[256]; 939 940 vol_h = FindFirstVolume(guid, sizeof(guid)); 941 if (vol_h == INVALID_HANDLE_VALUE) { 942 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 943 return NULL; 944 } 945 946 do { 947 GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp); 948 if (info == NULL) { 949 continue; 950 } 951 new = g_malloc(sizeof(*ret)); 952 new->value = info; 953 new->next = ret; 954 ret = new; 955 } while (FindNextVolume(vol_h, guid, sizeof(guid))); 956 957 if (GetLastError() != ERROR_NO_MORE_FILES) { 958 error_setg_win32(errp, GetLastError(), "failed to find next volume"); 959 } 960 961 FindVolumeClose(vol_h); 962 return ret; 963 } 964 965 /* 966 * Return status of freeze/thaw 967 */ 968 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp) 969 { 970 if (!vss_initialized()) { 971 error_setg(errp, QERR_UNSUPPORTED); 972 return 0; 973 } 974 975 if (ga_is_frozen(ga_state)) { 976 return GUEST_FSFREEZE_STATUS_FROZEN; 977 } 978 979 return GUEST_FSFREEZE_STATUS_THAWED; 980 } 981 982 /* 983 * Freeze local file systems using Volume Shadow-copy Service. 984 * The frozen state is limited for up to 10 seconds by VSS. 985 */ 986 int64_t qmp_guest_fsfreeze_freeze(Error **errp) 987 { 988 return qmp_guest_fsfreeze_freeze_list(false, NULL, errp); 989 } 990 991 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, 992 strList *mountpoints, 993 Error **errp) 994 { 995 int i; 996 Error *local_err = NULL; 997 998 if (!vss_initialized()) { 999 error_setg(errp, QERR_UNSUPPORTED); 1000 return 0; 1001 } 1002 1003 slog("guest-fsfreeze called"); 1004 1005 /* cannot risk guest agent blocking itself on a write in this state */ 1006 ga_set_frozen(ga_state); 1007 1008 qga_vss_fsfreeze(&i, true, mountpoints, &local_err); 1009 if (local_err) { 1010 error_propagate(errp, local_err); 1011 goto error; 1012 } 1013 1014 return i; 1015 1016 error: 1017 local_err = NULL; 1018 qmp_guest_fsfreeze_thaw(&local_err); 1019 if (local_err) { 1020 g_debug("cleanup thaw: %s", error_get_pretty(local_err)); 1021 error_free(local_err); 1022 } 1023 return 0; 1024 } 1025 1026 /* 1027 * Thaw local file systems using Volume Shadow-copy Service. 1028 */ 1029 int64_t qmp_guest_fsfreeze_thaw(Error **errp) 1030 { 1031 int i; 1032 1033 if (!vss_initialized()) { 1034 error_setg(errp, QERR_UNSUPPORTED); 1035 return 0; 1036 } 1037 1038 qga_vss_fsfreeze(&i, false, NULL, errp); 1039 1040 ga_unset_frozen(ga_state); 1041 return i; 1042 } 1043 1044 static void guest_fsfreeze_cleanup(void) 1045 { 1046 Error *err = NULL; 1047 1048 if (!vss_initialized()) { 1049 return; 1050 } 1051 1052 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) { 1053 qmp_guest_fsfreeze_thaw(&err); 1054 if (err) { 1055 slog("failed to clean up frozen filesystems: %s", 1056 error_get_pretty(err)); 1057 error_free(err); 1058 } 1059 } 1060 1061 vss_deinit(true); 1062 } 1063 1064 /* 1065 * Walk list of mounted file systems in the guest, and discard unused 1066 * areas. 1067 */ 1068 GuestFilesystemTrimResponse * 1069 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) 1070 { 1071 GuestFilesystemTrimResponse *resp; 1072 HANDLE handle; 1073 WCHAR guid[MAX_PATH] = L""; 1074 OSVERSIONINFO osvi; 1075 BOOL win8_or_later; 1076 1077 ZeroMemory(&osvi, sizeof(OSVERSIONINFO)); 1078 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1079 GetVersionEx(&osvi); 1080 win8_or_later = (osvi.dwMajorVersion > 6 || 1081 ((osvi.dwMajorVersion == 6) && 1082 (osvi.dwMinorVersion >= 2))); 1083 if (!win8_or_later) { 1084 error_setg(errp, "fstrim is only supported for Win8+"); 1085 return NULL; 1086 } 1087 1088 handle = FindFirstVolumeW(guid, ARRAYSIZE(guid)); 1089 if (handle == INVALID_HANDLE_VALUE) { 1090 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 1091 return NULL; 1092 } 1093 1094 resp = g_new0(GuestFilesystemTrimResponse, 1); 1095 1096 do { 1097 GuestFilesystemTrimResult *res; 1098 GuestFilesystemTrimResultList *list; 1099 PWCHAR uc_path; 1100 DWORD char_count = 0; 1101 char *path, *out; 1102 GError *gerr = NULL; 1103 gchar * argv[4]; 1104 1105 GetVolumePathNamesForVolumeNameW(guid, NULL, 0, &char_count); 1106 1107 if (GetLastError() != ERROR_MORE_DATA) { 1108 continue; 1109 } 1110 if (GetDriveTypeW(guid) != DRIVE_FIXED) { 1111 continue; 1112 } 1113 1114 uc_path = g_malloc(sizeof(WCHAR) * char_count); 1115 if (!GetVolumePathNamesForVolumeNameW(guid, uc_path, char_count, 1116 &char_count) || !*uc_path) { 1117 /* strange, but this condition could be faced even with size == 2 */ 1118 g_free(uc_path); 1119 continue; 1120 } 1121 1122 res = g_new0(GuestFilesystemTrimResult, 1); 1123 1124 path = g_utf16_to_utf8(uc_path, char_count, NULL, NULL, &gerr); 1125 1126 g_free(uc_path); 1127 1128 if (!path) { 1129 res->has_error = true; 1130 res->error = g_strdup(gerr->message); 1131 g_error_free(gerr); 1132 break; 1133 } 1134 1135 res->path = path; 1136 1137 list = g_new0(GuestFilesystemTrimResultList, 1); 1138 list->value = res; 1139 list->next = resp->paths; 1140 1141 resp->paths = list; 1142 1143 memset(argv, 0, sizeof(argv)); 1144 argv[0] = (gchar *)"defrag.exe"; 1145 argv[1] = (gchar *)"/L"; 1146 argv[2] = path; 1147 1148 if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, 1149 &out /* stdout */, NULL /* stdin */, 1150 NULL, &gerr)) { 1151 res->has_error = true; 1152 res->error = g_strdup(gerr->message); 1153 g_error_free(gerr); 1154 } else { 1155 /* defrag.exe is UGLY. Exit code is ALWAYS zero. 1156 Error is reported in the output with something like 1157 (x89000020) etc code in the stdout */ 1158 1159 int i; 1160 gchar **lines = g_strsplit(out, "\r\n", 0); 1161 g_free(out); 1162 1163 for (i = 0; lines[i] != NULL; i++) { 1164 if (g_strstr_len(lines[i], -1, "(0x") == NULL) { 1165 continue; 1166 } 1167 res->has_error = true; 1168 res->error = g_strdup(lines[i]); 1169 break; 1170 } 1171 g_strfreev(lines); 1172 } 1173 } while (FindNextVolumeW(handle, guid, ARRAYSIZE(guid))); 1174 1175 FindVolumeClose(handle); 1176 return resp; 1177 } 1178 1179 typedef enum { 1180 GUEST_SUSPEND_MODE_DISK, 1181 GUEST_SUSPEND_MODE_RAM 1182 } GuestSuspendMode; 1183 1184 static void check_suspend_mode(GuestSuspendMode mode, Error **errp) 1185 { 1186 SYSTEM_POWER_CAPABILITIES sys_pwr_caps; 1187 Error *local_err = NULL; 1188 1189 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps)); 1190 if (!GetPwrCapabilities(&sys_pwr_caps)) { 1191 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 1192 "failed to determine guest suspend capabilities"); 1193 goto out; 1194 } 1195 1196 switch (mode) { 1197 case GUEST_SUSPEND_MODE_DISK: 1198 if (!sys_pwr_caps.SystemS4) { 1199 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 1200 "suspend-to-disk not supported by OS"); 1201 } 1202 break; 1203 case GUEST_SUSPEND_MODE_RAM: 1204 if (!sys_pwr_caps.SystemS3) { 1205 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 1206 "suspend-to-ram not supported by OS"); 1207 } 1208 break; 1209 default: 1210 error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode", 1211 "GuestSuspendMode"); 1212 } 1213 1214 out: 1215 error_propagate(errp, local_err); 1216 } 1217 1218 static DWORD WINAPI do_suspend(LPVOID opaque) 1219 { 1220 GuestSuspendMode *mode = opaque; 1221 DWORD ret = 0; 1222 1223 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) { 1224 slog("failed to suspend guest, %lu", GetLastError()); 1225 ret = -1; 1226 } 1227 g_free(mode); 1228 return ret; 1229 } 1230 1231 void qmp_guest_suspend_disk(Error **errp) 1232 { 1233 Error *local_err = NULL; 1234 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 1235 1236 *mode = GUEST_SUSPEND_MODE_DISK; 1237 check_suspend_mode(*mode, &local_err); 1238 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 1239 execute_async(do_suspend, mode, &local_err); 1240 1241 if (local_err) { 1242 error_propagate(errp, local_err); 1243 g_free(mode); 1244 } 1245 } 1246 1247 void qmp_guest_suspend_ram(Error **errp) 1248 { 1249 Error *local_err = NULL; 1250 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 1251 1252 *mode = GUEST_SUSPEND_MODE_RAM; 1253 check_suspend_mode(*mode, &local_err); 1254 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 1255 execute_async(do_suspend, mode, &local_err); 1256 1257 if (local_err) { 1258 error_propagate(errp, local_err); 1259 g_free(mode); 1260 } 1261 } 1262 1263 void qmp_guest_suspend_hybrid(Error **errp) 1264 { 1265 error_setg(errp, QERR_UNSUPPORTED); 1266 } 1267 1268 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp) 1269 { 1270 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL; 1271 ULONG adptr_addrs_len = 0; 1272 DWORD ret; 1273 1274 /* Call the first time to get the adptr_addrs_len. */ 1275 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 1276 NULL, adptr_addrs, &adptr_addrs_len); 1277 1278 adptr_addrs = g_malloc(adptr_addrs_len); 1279 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 1280 NULL, adptr_addrs, &adptr_addrs_len); 1281 if (ret != ERROR_SUCCESS) { 1282 error_setg_win32(errp, ret, "failed to get adapters addresses"); 1283 g_free(adptr_addrs); 1284 adptr_addrs = NULL; 1285 } 1286 return adptr_addrs; 1287 } 1288 1289 static char *guest_wctomb_dup(WCHAR *wstr) 1290 { 1291 char *str; 1292 size_t i; 1293 1294 i = wcslen(wstr) + 1; 1295 str = g_malloc(i); 1296 WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, 1297 wstr, -1, str, i, NULL, NULL); 1298 return str; 1299 } 1300 1301 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr, 1302 Error **errp) 1303 { 1304 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN]; 1305 DWORD len; 1306 int ret; 1307 1308 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET || 1309 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1310 len = sizeof(addr_str); 1311 ret = WSAAddressToString(ip_addr->Address.lpSockaddr, 1312 ip_addr->Address.iSockaddrLength, 1313 NULL, 1314 addr_str, 1315 &len); 1316 if (ret != 0) { 1317 error_setg_win32(errp, WSAGetLastError(), 1318 "failed address presentation form conversion"); 1319 return NULL; 1320 } 1321 return g_strdup(addr_str); 1322 } 1323 return NULL; 1324 } 1325 1326 #if (_WIN32_WINNT >= 0x0600) 1327 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1328 { 1329 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength 1330 * field to obtain the prefix. 1331 */ 1332 return ip_addr->OnLinkPrefixLength; 1333 } 1334 #else 1335 /* When using the Windows XP and 2003 build environment, do the best we can to 1336 * figure out the prefix. 1337 */ 1338 static IP_ADAPTER_INFO *guest_get_adapters_info(void) 1339 { 1340 IP_ADAPTER_INFO *adptr_info = NULL; 1341 ULONG adptr_info_len = 0; 1342 DWORD ret; 1343 1344 /* Call the first time to get the adptr_info_len. */ 1345 GetAdaptersInfo(adptr_info, &adptr_info_len); 1346 1347 adptr_info = g_malloc(adptr_info_len); 1348 ret = GetAdaptersInfo(adptr_info, &adptr_info_len); 1349 if (ret != ERROR_SUCCESS) { 1350 g_free(adptr_info); 1351 adptr_info = NULL; 1352 } 1353 return adptr_info; 1354 } 1355 1356 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1357 { 1358 int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */ 1359 IP_ADAPTER_INFO *adptr_info, *info; 1360 IP_ADDR_STRING *ip; 1361 struct in_addr *p; 1362 1363 if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) { 1364 return prefix; 1365 } 1366 adptr_info = guest_get_adapters_info(); 1367 if (adptr_info == NULL) { 1368 return prefix; 1369 } 1370 1371 /* Match up the passed in ip_addr with one found in adaptr_info. 1372 * The matching one in adptr_info will have the netmask. 1373 */ 1374 p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr; 1375 for (info = adptr_info; info; info = info->Next) { 1376 for (ip = &info->IpAddressList; ip; ip = ip->Next) { 1377 if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) { 1378 prefix = ctpop32(inet_addr(ip->IpMask.String)); 1379 goto out; 1380 } 1381 } 1382 } 1383 out: 1384 g_free(adptr_info); 1385 return prefix; 1386 } 1387 #endif 1388 1389 #define INTERFACE_PATH_BUF_SZ 512 1390 1391 static DWORD get_interface_index(const char *guid) 1392 { 1393 ULONG index; 1394 DWORD status; 1395 wchar_t wbuf[INTERFACE_PATH_BUF_SZ]; 1396 snwprintf(wbuf, INTERFACE_PATH_BUF_SZ, L"\\device\\tcpip_%s", guid); 1397 wbuf[INTERFACE_PATH_BUF_SZ - 1] = 0; 1398 status = GetAdapterIndex (wbuf, &index); 1399 if (status != NO_ERROR) { 1400 return (DWORD)~0; 1401 } else { 1402 return index; 1403 } 1404 } 1405 1406 typedef NETIOAPI_API (WINAPI *GetIfEntry2Func)(PMIB_IF_ROW2 Row); 1407 1408 static int guest_get_network_stats(const char *name, 1409 GuestNetworkInterfaceStat *stats) 1410 { 1411 OSVERSIONINFO os_ver; 1412 1413 os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1414 GetVersionEx(&os_ver); 1415 if (os_ver.dwMajorVersion >= 6) { 1416 MIB_IF_ROW2 a_mid_ifrow; 1417 GetIfEntry2Func getifentry2_ex; 1418 DWORD if_index = 0; 1419 HMODULE module = GetModuleHandle("iphlpapi"); 1420 PVOID func = GetProcAddress(module, "GetIfEntry2"); 1421 1422 if (func == NULL) { 1423 return -1; 1424 } 1425 1426 getifentry2_ex = (GetIfEntry2Func)func; 1427 if_index = get_interface_index(name); 1428 if (if_index == (DWORD)~0) { 1429 return -1; 1430 } 1431 1432 memset(&a_mid_ifrow, 0, sizeof(a_mid_ifrow)); 1433 a_mid_ifrow.InterfaceIndex = if_index; 1434 if (NO_ERROR == getifentry2_ex(&a_mid_ifrow)) { 1435 stats->rx_bytes = a_mid_ifrow.InOctets; 1436 stats->rx_packets = a_mid_ifrow.InUcastPkts; 1437 stats->rx_errs = a_mid_ifrow.InErrors; 1438 stats->rx_dropped = a_mid_ifrow.InDiscards; 1439 stats->tx_bytes = a_mid_ifrow.OutOctets; 1440 stats->tx_packets = a_mid_ifrow.OutUcastPkts; 1441 stats->tx_errs = a_mid_ifrow.OutErrors; 1442 stats->tx_dropped = a_mid_ifrow.OutDiscards; 1443 return 0; 1444 } 1445 } 1446 return -1; 1447 } 1448 1449 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp) 1450 { 1451 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr; 1452 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL; 1453 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL; 1454 GuestIpAddressList *head_addr, *cur_addr; 1455 GuestNetworkInterfaceList *info; 1456 GuestNetworkInterfaceStat *interface_stat = NULL; 1457 GuestIpAddressList *address_item = NULL; 1458 unsigned char *mac_addr; 1459 char *addr_str; 1460 WORD wsa_version; 1461 WSADATA wsa_data; 1462 int ret; 1463 1464 adptr_addrs = guest_get_adapters_addresses(errp); 1465 if (adptr_addrs == NULL) { 1466 return NULL; 1467 } 1468 1469 /* Make WSA APIs available. */ 1470 wsa_version = MAKEWORD(2, 2); 1471 ret = WSAStartup(wsa_version, &wsa_data); 1472 if (ret != 0) { 1473 error_setg_win32(errp, ret, "failed socket startup"); 1474 goto out; 1475 } 1476 1477 for (addr = adptr_addrs; addr; addr = addr->Next) { 1478 info = g_malloc0(sizeof(*info)); 1479 1480 if (cur_item == NULL) { 1481 head = cur_item = info; 1482 } else { 1483 cur_item->next = info; 1484 cur_item = info; 1485 } 1486 1487 info->value = g_malloc0(sizeof(*info->value)); 1488 info->value->name = guest_wctomb_dup(addr->FriendlyName); 1489 1490 if (addr->PhysicalAddressLength != 0) { 1491 mac_addr = addr->PhysicalAddress; 1492 1493 info->value->hardware_address = 1494 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x", 1495 (int) mac_addr[0], (int) mac_addr[1], 1496 (int) mac_addr[2], (int) mac_addr[3], 1497 (int) mac_addr[4], (int) mac_addr[5]); 1498 1499 info->value->has_hardware_address = true; 1500 } 1501 1502 head_addr = NULL; 1503 cur_addr = NULL; 1504 for (ip_addr = addr->FirstUnicastAddress; 1505 ip_addr; 1506 ip_addr = ip_addr->Next) { 1507 addr_str = guest_addr_to_str(ip_addr, errp); 1508 if (addr_str == NULL) { 1509 continue; 1510 } 1511 1512 address_item = g_malloc0(sizeof(*address_item)); 1513 1514 if (!cur_addr) { 1515 head_addr = cur_addr = address_item; 1516 } else { 1517 cur_addr->next = address_item; 1518 cur_addr = address_item; 1519 } 1520 1521 address_item->value = g_malloc0(sizeof(*address_item->value)); 1522 address_item->value->ip_address = addr_str; 1523 address_item->value->prefix = guest_ip_prefix(ip_addr); 1524 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) { 1525 address_item->value->ip_address_type = 1526 GUEST_IP_ADDRESS_TYPE_IPV4; 1527 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1528 address_item->value->ip_address_type = 1529 GUEST_IP_ADDRESS_TYPE_IPV6; 1530 } 1531 } 1532 if (head_addr) { 1533 info->value->has_ip_addresses = true; 1534 info->value->ip_addresses = head_addr; 1535 } 1536 if (!info->value->has_statistics) { 1537 interface_stat = g_malloc0(sizeof(*interface_stat)); 1538 if (guest_get_network_stats(addr->AdapterName, 1539 interface_stat) == -1) { 1540 info->value->has_statistics = false; 1541 g_free(interface_stat); 1542 } else { 1543 info->value->statistics = interface_stat; 1544 info->value->has_statistics = true; 1545 } 1546 } 1547 } 1548 WSACleanup(); 1549 out: 1550 g_free(adptr_addrs); 1551 return head; 1552 } 1553 1554 int64_t qmp_guest_get_time(Error **errp) 1555 { 1556 SYSTEMTIME ts = {0}; 1557 FILETIME tf; 1558 1559 GetSystemTime(&ts); 1560 if (ts.wYear < 1601 || ts.wYear > 30827) { 1561 error_setg(errp, "Failed to get time"); 1562 return -1; 1563 } 1564 1565 if (!SystemTimeToFileTime(&ts, &tf)) { 1566 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError()); 1567 return -1; 1568 } 1569 1570 return ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime) 1571 - W32_FT_OFFSET) * 100; 1572 } 1573 1574 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) 1575 { 1576 Error *local_err = NULL; 1577 SYSTEMTIME ts; 1578 FILETIME tf; 1579 LONGLONG time; 1580 1581 if (!has_time) { 1582 /* Unfortunately, Windows libraries don't provide an easy way to access 1583 * RTC yet: 1584 * 1585 * https://msdn.microsoft.com/en-us/library/aa908981.aspx 1586 * 1587 * Instead, a workaround is to use the Windows win32tm command to 1588 * resync the time using the Windows Time service. 1589 */ 1590 LPVOID msg_buffer; 1591 DWORD ret_flags; 1592 1593 HRESULT hr = system("w32tm /resync /nowait"); 1594 1595 if (GetLastError() != 0) { 1596 strerror_s((LPTSTR) & msg_buffer, 0, errno); 1597 error_setg(errp, "system(...) failed: %s", (LPCTSTR)msg_buffer); 1598 } else if (hr != 0) { 1599 if (hr == HRESULT_FROM_WIN32(ERROR_SERVICE_NOT_ACTIVE)) { 1600 error_setg(errp, "Windows Time service not running on the " 1601 "guest"); 1602 } else { 1603 if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | 1604 FORMAT_MESSAGE_FROM_SYSTEM | 1605 FORMAT_MESSAGE_IGNORE_INSERTS, NULL, 1606 (DWORD)hr, MAKELANGID(LANG_NEUTRAL, 1607 SUBLANG_DEFAULT), (LPTSTR) & msg_buffer, 0, 1608 NULL)) { 1609 error_setg(errp, "w32tm failed with error (0x%lx), couldn'" 1610 "t retrieve error message", hr); 1611 } else { 1612 error_setg(errp, "w32tm failed with error (0x%lx): %s", hr, 1613 (LPCTSTR)msg_buffer); 1614 LocalFree(msg_buffer); 1615 } 1616 } 1617 } else if (!InternetGetConnectedState(&ret_flags, 0)) { 1618 error_setg(errp, "No internet connection on guest, sync not " 1619 "accurate"); 1620 } 1621 return; 1622 } 1623 1624 /* Validate time passed by user. */ 1625 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { 1626 error_setg(errp, "Time %" PRId64 "is invalid", time_ns); 1627 return; 1628 } 1629 1630 time = time_ns / 100 + W32_FT_OFFSET; 1631 1632 tf.dwLowDateTime = (DWORD) time; 1633 tf.dwHighDateTime = (DWORD) (time >> 32); 1634 1635 if (!FileTimeToSystemTime(&tf, &ts)) { 1636 error_setg(errp, "Failed to convert system time %d", 1637 (int)GetLastError()); 1638 return; 1639 } 1640 1641 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err); 1642 if (local_err) { 1643 error_propagate(errp, local_err); 1644 return; 1645 } 1646 1647 if (!SetSystemTime(&ts)) { 1648 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); 1649 return; 1650 } 1651 } 1652 1653 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp) 1654 { 1655 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr; 1656 DWORD length; 1657 GuestLogicalProcessorList *head, **link; 1658 Error *local_err = NULL; 1659 int64_t current; 1660 1661 ptr = pslpi = NULL; 1662 length = 0; 1663 current = 0; 1664 head = NULL; 1665 link = &head; 1666 1667 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) && 1668 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) && 1669 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) { 1670 ptr = pslpi = g_malloc0(length); 1671 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) { 1672 error_setg(&local_err, "Failed to get processor information: %d", 1673 (int)GetLastError()); 1674 } 1675 } else { 1676 error_setg(&local_err, 1677 "Failed to get processor information buffer length: %d", 1678 (int)GetLastError()); 1679 } 1680 1681 while ((local_err == NULL) && (length > 0)) { 1682 if (pslpi->Relationship == RelationProcessorCore) { 1683 ULONG_PTR cpu_bits = pslpi->ProcessorMask; 1684 1685 while (cpu_bits > 0) { 1686 if (!!(cpu_bits & 1)) { 1687 GuestLogicalProcessor *vcpu; 1688 GuestLogicalProcessorList *entry; 1689 1690 vcpu = g_malloc0(sizeof *vcpu); 1691 vcpu->logical_id = current++; 1692 vcpu->online = true; 1693 vcpu->has_can_offline = true; 1694 1695 entry = g_malloc0(sizeof *entry); 1696 entry->value = vcpu; 1697 1698 *link = entry; 1699 link = &entry->next; 1700 } 1701 cpu_bits >>= 1; 1702 } 1703 } 1704 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); 1705 pslpi++; /* next entry */ 1706 } 1707 1708 g_free(ptr); 1709 1710 if (local_err == NULL) { 1711 if (head != NULL) { 1712 return head; 1713 } 1714 /* there's no guest with zero VCPUs */ 1715 error_setg(&local_err, "Guest reported zero VCPUs"); 1716 } 1717 1718 qapi_free_GuestLogicalProcessorList(head); 1719 error_propagate(errp, local_err); 1720 return NULL; 1721 } 1722 1723 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp) 1724 { 1725 error_setg(errp, QERR_UNSUPPORTED); 1726 return -1; 1727 } 1728 1729 static gchar * 1730 get_net_error_message(gint error) 1731 { 1732 HMODULE module = NULL; 1733 gchar *retval = NULL; 1734 wchar_t *msg = NULL; 1735 int flags; 1736 size_t nchars; 1737 1738 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER | 1739 FORMAT_MESSAGE_IGNORE_INSERTS | 1740 FORMAT_MESSAGE_FROM_SYSTEM; 1741 1742 if (error >= NERR_BASE && error <= MAX_NERR) { 1743 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE); 1744 1745 if (module != NULL) { 1746 flags |= FORMAT_MESSAGE_FROM_HMODULE; 1747 } 1748 } 1749 1750 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL); 1751 1752 if (msg != NULL) { 1753 nchars = wcslen(msg); 1754 1755 if (nchars >= 2 && 1756 msg[nchars - 1] == L'\n' && 1757 msg[nchars - 2] == L'\r') { 1758 msg[nchars - 2] = L'\0'; 1759 } 1760 1761 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL); 1762 1763 LocalFree(msg); 1764 } 1765 1766 if (module != NULL) { 1767 FreeLibrary(module); 1768 } 1769 1770 return retval; 1771 } 1772 1773 void qmp_guest_set_user_password(const char *username, 1774 const char *password, 1775 bool crypted, 1776 Error **errp) 1777 { 1778 NET_API_STATUS nas; 1779 char *rawpasswddata = NULL; 1780 size_t rawpasswdlen; 1781 wchar_t *user = NULL, *wpass = NULL; 1782 USER_INFO_1003 pi1003 = { 0, }; 1783 GError *gerr = NULL; 1784 1785 if (crypted) { 1786 error_setg(errp, QERR_UNSUPPORTED); 1787 return; 1788 } 1789 1790 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp); 1791 if (!rawpasswddata) { 1792 return; 1793 } 1794 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1); 1795 rawpasswddata[rawpasswdlen] = '\0'; 1796 1797 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr); 1798 if (!user) { 1799 goto done; 1800 } 1801 1802 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr); 1803 if (!wpass) { 1804 goto done; 1805 } 1806 1807 pi1003.usri1003_password = wpass; 1808 nas = NetUserSetInfo(NULL, user, 1809 1003, (LPBYTE)&pi1003, 1810 NULL); 1811 1812 if (nas != NERR_Success) { 1813 gchar *msg = get_net_error_message(nas); 1814 error_setg(errp, "failed to set password: %s", msg); 1815 g_free(msg); 1816 } 1817 1818 done: 1819 if (gerr) { 1820 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message); 1821 g_error_free(gerr); 1822 } 1823 g_free(user); 1824 g_free(wpass); 1825 g_free(rawpasswddata); 1826 } 1827 1828 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp) 1829 { 1830 error_setg(errp, QERR_UNSUPPORTED); 1831 return NULL; 1832 } 1833 1834 GuestMemoryBlockResponseList * 1835 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp) 1836 { 1837 error_setg(errp, QERR_UNSUPPORTED); 1838 return NULL; 1839 } 1840 1841 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp) 1842 { 1843 error_setg(errp, QERR_UNSUPPORTED); 1844 return NULL; 1845 } 1846 1847 /* add unsupported commands to the blacklist */ 1848 GList *ga_command_blacklist_init(GList *blacklist) 1849 { 1850 const char *list_unsupported[] = { 1851 "guest-suspend-hybrid", 1852 "guest-set-vcpus", 1853 "guest-get-memory-blocks", "guest-set-memory-blocks", 1854 "guest-get-memory-block-size", 1855 NULL}; 1856 char **p = (char **)list_unsupported; 1857 1858 while (*p) { 1859 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1860 } 1861 1862 if (!vss_init(true)) { 1863 g_debug("vss_init failed, vss commands are going to be disabled"); 1864 const char *list[] = { 1865 "guest-get-fsinfo", "guest-fsfreeze-status", 1866 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL}; 1867 p = (char **)list; 1868 1869 while (*p) { 1870 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1871 } 1872 } 1873 1874 return blacklist; 1875 } 1876 1877 /* register init/cleanup routines for stateful command groups */ 1878 void ga_command_state_init(GAState *s, GACommandState *cs) 1879 { 1880 if (!vss_initialized()) { 1881 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup); 1882 } 1883 } 1884 1885 /* MINGW is missing two fields: IncomingFrames & OutgoingFrames */ 1886 typedef struct _GA_WTSINFOA { 1887 WTS_CONNECTSTATE_CLASS State; 1888 DWORD SessionId; 1889 DWORD IncomingBytes; 1890 DWORD OutgoingBytes; 1891 DWORD IncomingFrames; 1892 DWORD OutgoingFrames; 1893 DWORD IncomingCompressedBytes; 1894 DWORD OutgoingCompressedBy; 1895 CHAR WinStationName[WINSTATIONNAME_LENGTH]; 1896 CHAR Domain[DOMAIN_LENGTH]; 1897 CHAR UserName[USERNAME_LENGTH + 1]; 1898 LARGE_INTEGER ConnectTime; 1899 LARGE_INTEGER DisconnectTime; 1900 LARGE_INTEGER LastInputTime; 1901 LARGE_INTEGER LogonTime; 1902 LARGE_INTEGER CurrentTime; 1903 1904 } GA_WTSINFOA; 1905 1906 GuestUserList *qmp_guest_get_users(Error **err) 1907 { 1908 #if (_WIN32_WINNT >= 0x0600) 1909 #define QGA_NANOSECONDS 10000000 1910 1911 GHashTable *cache = NULL; 1912 GuestUserList *head = NULL, *cur_item = NULL; 1913 1914 DWORD buffer_size = 0, count = 0, i = 0; 1915 GA_WTSINFOA *info = NULL; 1916 WTS_SESSION_INFOA *entries = NULL; 1917 GuestUserList *item = NULL; 1918 GuestUser *user = NULL; 1919 gpointer value = NULL; 1920 INT64 login = 0; 1921 double login_time = 0; 1922 1923 cache = g_hash_table_new(g_str_hash, g_str_equal); 1924 1925 if (WTSEnumerateSessionsA(NULL, 0, 1, &entries, &count)) { 1926 for (i = 0; i < count; ++i) { 1927 buffer_size = 0; 1928 info = NULL; 1929 if (WTSQuerySessionInformationA( 1930 NULL, 1931 entries[i].SessionId, 1932 WTSSessionInfo, 1933 (LPSTR *)&info, 1934 &buffer_size 1935 )) { 1936 1937 if (strlen(info->UserName) == 0) { 1938 WTSFreeMemory(info); 1939 continue; 1940 } 1941 1942 login = info->LogonTime.QuadPart; 1943 login -= W32_FT_OFFSET; 1944 login_time = ((double)login) / QGA_NANOSECONDS; 1945 1946 if (g_hash_table_contains(cache, info->UserName)) { 1947 value = g_hash_table_lookup(cache, info->UserName); 1948 user = (GuestUser *)value; 1949 if (user->login_time > login_time) { 1950 user->login_time = login_time; 1951 } 1952 } else { 1953 item = g_new0(GuestUserList, 1); 1954 item->value = g_new0(GuestUser, 1); 1955 1956 item->value->user = g_strdup(info->UserName); 1957 item->value->domain = g_strdup(info->Domain); 1958 item->value->has_domain = true; 1959 1960 item->value->login_time = login_time; 1961 1962 g_hash_table_add(cache, item->value->user); 1963 1964 if (!cur_item) { 1965 head = cur_item = item; 1966 } else { 1967 cur_item->next = item; 1968 cur_item = item; 1969 } 1970 } 1971 } 1972 WTSFreeMemory(info); 1973 } 1974 WTSFreeMemory(entries); 1975 } 1976 g_hash_table_destroy(cache); 1977 return head; 1978 #else 1979 error_setg(err, QERR_UNSUPPORTED); 1980 return NULL; 1981 #endif 1982 } 1983 1984 typedef struct _ga_matrix_lookup_t { 1985 int major; 1986 int minor; 1987 char const *version; 1988 char const *version_id; 1989 } ga_matrix_lookup_t; 1990 1991 static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][8] = { 1992 { 1993 /* Desktop editions */ 1994 { 5, 0, "Microsoft Windows 2000", "2000"}, 1995 { 5, 1, "Microsoft Windows XP", "xp"}, 1996 { 6, 0, "Microsoft Windows Vista", "vista"}, 1997 { 6, 1, "Microsoft Windows 7" "7"}, 1998 { 6, 2, "Microsoft Windows 8", "8"}, 1999 { 6, 3, "Microsoft Windows 8.1", "8.1"}, 2000 {10, 0, "Microsoft Windows 10", "10"}, 2001 { 0, 0, 0} 2002 },{ 2003 /* Server editions */ 2004 { 5, 2, "Microsoft Windows Server 2003", "2003"}, 2005 { 6, 0, "Microsoft Windows Server 2008", "2008"}, 2006 { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"}, 2007 { 6, 2, "Microsoft Windows Server 2012", "2012"}, 2008 { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"}, 2009 {10, 0, "Microsoft Windows Server 2016", "2016"}, 2010 { 0, 0, 0}, 2011 { 0, 0, 0} 2012 } 2013 }; 2014 2015 static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp) 2016 { 2017 typedef NTSTATUS(WINAPI * rtl_get_version_t)( 2018 RTL_OSVERSIONINFOEXW *os_version_info_ex); 2019 2020 info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW); 2021 2022 HMODULE module = GetModuleHandle("ntdll"); 2023 PVOID fun = GetProcAddress(module, "RtlGetVersion"); 2024 if (fun == NULL) { 2025 error_setg(errp, QERR_QGA_COMMAND_FAILED, 2026 "Failed to get address of RtlGetVersion"); 2027 return; 2028 } 2029 2030 rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun; 2031 rtl_get_version(info); 2032 return; 2033 } 2034 2035 static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id) 2036 { 2037 DWORD major = os_version->dwMajorVersion; 2038 DWORD minor = os_version->dwMinorVersion; 2039 int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION); 2040 ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx]; 2041 while (table->version != NULL) { 2042 if (major == table->major && minor == table->minor) { 2043 if (id) { 2044 return g_strdup(table->version_id); 2045 } else { 2046 return g_strdup(table->version); 2047 } 2048 } 2049 ++table; 2050 } 2051 slog("failed to lookup Windows version: major=%lu, minor=%lu", 2052 major, minor); 2053 return g_strdup("N/A"); 2054 } 2055 2056 static char *ga_get_win_product_name(Error **errp) 2057 { 2058 HKEY key = NULL; 2059 DWORD size = 128; 2060 char *result = g_malloc0(size); 2061 LONG err = ERROR_SUCCESS; 2062 2063 err = RegOpenKeyA(HKEY_LOCAL_MACHINE, 2064 "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", 2065 &key); 2066 if (err != ERROR_SUCCESS) { 2067 error_setg_win32(errp, err, "failed to open registry key"); 2068 goto fail; 2069 } 2070 2071 err = RegQueryValueExA(key, "ProductName", NULL, NULL, 2072 (LPBYTE)result, &size); 2073 if (err == ERROR_MORE_DATA) { 2074 slog("ProductName longer than expected (%lu bytes), retrying", 2075 size); 2076 g_free(result); 2077 result = NULL; 2078 if (size > 0) { 2079 result = g_malloc0(size); 2080 err = RegQueryValueExA(key, "ProductName", NULL, NULL, 2081 (LPBYTE)result, &size); 2082 } 2083 } 2084 if (err != ERROR_SUCCESS) { 2085 error_setg_win32(errp, err, "failed to retrive ProductName"); 2086 goto fail; 2087 } 2088 2089 return result; 2090 2091 fail: 2092 g_free(result); 2093 return NULL; 2094 } 2095 2096 static char *ga_get_current_arch(void) 2097 { 2098 SYSTEM_INFO info; 2099 GetNativeSystemInfo(&info); 2100 char *result = NULL; 2101 switch (info.wProcessorArchitecture) { 2102 case PROCESSOR_ARCHITECTURE_AMD64: 2103 result = g_strdup("x86_64"); 2104 break; 2105 case PROCESSOR_ARCHITECTURE_ARM: 2106 result = g_strdup("arm"); 2107 break; 2108 case PROCESSOR_ARCHITECTURE_IA64: 2109 result = g_strdup("ia64"); 2110 break; 2111 case PROCESSOR_ARCHITECTURE_INTEL: 2112 result = g_strdup("x86"); 2113 break; 2114 case PROCESSOR_ARCHITECTURE_UNKNOWN: 2115 default: 2116 slog("unknown processor architecture 0x%0x", 2117 info.wProcessorArchitecture); 2118 result = g_strdup("unknown"); 2119 break; 2120 } 2121 return result; 2122 } 2123 2124 GuestOSInfo *qmp_guest_get_osinfo(Error **errp) 2125 { 2126 Error *local_err = NULL; 2127 OSVERSIONINFOEXW os_version = {0}; 2128 bool server; 2129 char *product_name; 2130 GuestOSInfo *info; 2131 2132 ga_get_win_version(&os_version, &local_err); 2133 if (local_err) { 2134 error_propagate(errp, local_err); 2135 return NULL; 2136 } 2137 2138 server = os_version.wProductType != VER_NT_WORKSTATION; 2139 product_name = ga_get_win_product_name(&local_err); 2140 if (product_name == NULL) { 2141 error_propagate(errp, local_err); 2142 return NULL; 2143 } 2144 2145 info = g_new0(GuestOSInfo, 1); 2146 2147 info->has_kernel_version = true; 2148 info->kernel_version = g_strdup_printf("%lu.%lu", 2149 os_version.dwMajorVersion, 2150 os_version.dwMinorVersion); 2151 info->has_kernel_release = true; 2152 info->kernel_release = g_strdup_printf("%lu", 2153 os_version.dwBuildNumber); 2154 info->has_machine = true; 2155 info->machine = ga_get_current_arch(); 2156 2157 info->has_id = true; 2158 info->id = g_strdup("mswindows"); 2159 info->has_name = true; 2160 info->name = g_strdup("Microsoft Windows"); 2161 info->has_pretty_name = true; 2162 info->pretty_name = product_name; 2163 info->has_version = true; 2164 info->version = ga_get_win_name(&os_version, false); 2165 info->has_version_id = true; 2166 info->version_id = ga_get_win_name(&os_version, true); 2167 info->has_variant = true; 2168 info->variant = g_strdup(server ? "server" : "client"); 2169 info->has_variant_id = true; 2170 info->variant_id = g_strdup(server ? "server" : "client"); 2171 2172 return info; 2173 } 2174