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 goto out; 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 if (vol_h != INVALID_HANDLE_VALUE) { 859 CloseHandle(vol_h); 860 } 861 qapi_free_GuestDiskAddress(disk); 862 g_free(extents); 863 g_free(name); 864 865 return list; 866 } 867 868 #else 869 870 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 871 { 872 return NULL; 873 } 874 875 #endif /* CONFIG_QGA_NTDDSCSI */ 876 877 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp) 878 { 879 DWORD info_size; 880 char mnt, *mnt_point; 881 char fs_name[32]; 882 char vol_info[MAX_PATH+1]; 883 size_t len; 884 uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes; 885 GuestFilesystemInfo *fs = NULL; 886 887 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size); 888 if (GetLastError() != ERROR_MORE_DATA) { 889 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 890 return NULL; 891 } 892 893 mnt_point = g_malloc(info_size + 1); 894 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size, 895 &info_size)) { 896 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 897 goto free; 898 } 899 900 len = strlen(mnt_point); 901 mnt_point[len] = '\\'; 902 mnt_point[len+1] = 0; 903 if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL, 904 NULL, (LPSTR)&fs_name, sizeof(fs_name))) { 905 if (GetLastError() != ERROR_NOT_READY) { 906 error_setg_win32(errp, GetLastError(), "failed to get volume info"); 907 } 908 goto free; 909 } 910 911 fs_name[sizeof(fs_name) - 1] = 0; 912 fs = g_malloc(sizeof(*fs)); 913 fs->name = g_strdup(guid); 914 fs->has_total_bytes = false; 915 fs->has_used_bytes = false; 916 if (len == 0) { 917 fs->mountpoint = g_strdup("System Reserved"); 918 } else { 919 fs->mountpoint = g_strndup(mnt_point, len); 920 if (GetDiskFreeSpaceEx(fs->mountpoint, 921 (PULARGE_INTEGER) & i64FreeBytesToCaller, 922 (PULARGE_INTEGER) & i64TotalBytes, 923 (PULARGE_INTEGER) & i64FreeBytes)) { 924 fs->used_bytes = i64TotalBytes - i64FreeBytes; 925 fs->total_bytes = i64TotalBytes; 926 fs->has_total_bytes = true; 927 fs->has_used_bytes = true; 928 } 929 } 930 fs->type = g_strdup(fs_name); 931 fs->disk = build_guest_disk_info(guid, errp); 932 free: 933 g_free(mnt_point); 934 return fs; 935 } 936 937 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp) 938 { 939 HANDLE vol_h; 940 GuestFilesystemInfoList *new, *ret = NULL; 941 char guid[256]; 942 943 vol_h = FindFirstVolume(guid, sizeof(guid)); 944 if (vol_h == INVALID_HANDLE_VALUE) { 945 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 946 return NULL; 947 } 948 949 do { 950 GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp); 951 if (info == NULL) { 952 continue; 953 } 954 new = g_malloc(sizeof(*ret)); 955 new->value = info; 956 new->next = ret; 957 ret = new; 958 } while (FindNextVolume(vol_h, guid, sizeof(guid))); 959 960 if (GetLastError() != ERROR_NO_MORE_FILES) { 961 error_setg_win32(errp, GetLastError(), "failed to find next volume"); 962 } 963 964 FindVolumeClose(vol_h); 965 return ret; 966 } 967 968 /* 969 * Return status of freeze/thaw 970 */ 971 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp) 972 { 973 if (!vss_initialized()) { 974 error_setg(errp, QERR_UNSUPPORTED); 975 return 0; 976 } 977 978 if (ga_is_frozen(ga_state)) { 979 return GUEST_FSFREEZE_STATUS_FROZEN; 980 } 981 982 return GUEST_FSFREEZE_STATUS_THAWED; 983 } 984 985 /* 986 * Freeze local file systems using Volume Shadow-copy Service. 987 * The frozen state is limited for up to 10 seconds by VSS. 988 */ 989 int64_t qmp_guest_fsfreeze_freeze(Error **errp) 990 { 991 return qmp_guest_fsfreeze_freeze_list(false, NULL, errp); 992 } 993 994 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, 995 strList *mountpoints, 996 Error **errp) 997 { 998 int i; 999 Error *local_err = NULL; 1000 1001 if (!vss_initialized()) { 1002 error_setg(errp, QERR_UNSUPPORTED); 1003 return 0; 1004 } 1005 1006 slog("guest-fsfreeze called"); 1007 1008 /* cannot risk guest agent blocking itself on a write in this state */ 1009 ga_set_frozen(ga_state); 1010 1011 qga_vss_fsfreeze(&i, true, mountpoints, &local_err); 1012 if (local_err) { 1013 error_propagate(errp, local_err); 1014 goto error; 1015 } 1016 1017 return i; 1018 1019 error: 1020 local_err = NULL; 1021 qmp_guest_fsfreeze_thaw(&local_err); 1022 if (local_err) { 1023 g_debug("cleanup thaw: %s", error_get_pretty(local_err)); 1024 error_free(local_err); 1025 } 1026 return 0; 1027 } 1028 1029 /* 1030 * Thaw local file systems using Volume Shadow-copy Service. 1031 */ 1032 int64_t qmp_guest_fsfreeze_thaw(Error **errp) 1033 { 1034 int i; 1035 1036 if (!vss_initialized()) { 1037 error_setg(errp, QERR_UNSUPPORTED); 1038 return 0; 1039 } 1040 1041 qga_vss_fsfreeze(&i, false, NULL, errp); 1042 1043 ga_unset_frozen(ga_state); 1044 return i; 1045 } 1046 1047 static void guest_fsfreeze_cleanup(void) 1048 { 1049 Error *err = NULL; 1050 1051 if (!vss_initialized()) { 1052 return; 1053 } 1054 1055 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) { 1056 qmp_guest_fsfreeze_thaw(&err); 1057 if (err) { 1058 slog("failed to clean up frozen filesystems: %s", 1059 error_get_pretty(err)); 1060 error_free(err); 1061 } 1062 } 1063 1064 vss_deinit(true); 1065 } 1066 1067 /* 1068 * Walk list of mounted file systems in the guest, and discard unused 1069 * areas. 1070 */ 1071 GuestFilesystemTrimResponse * 1072 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) 1073 { 1074 GuestFilesystemTrimResponse *resp; 1075 HANDLE handle; 1076 WCHAR guid[MAX_PATH] = L""; 1077 OSVERSIONINFO osvi; 1078 BOOL win8_or_later; 1079 1080 ZeroMemory(&osvi, sizeof(OSVERSIONINFO)); 1081 osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1082 GetVersionEx(&osvi); 1083 win8_or_later = (osvi.dwMajorVersion > 6 || 1084 ((osvi.dwMajorVersion == 6) && 1085 (osvi.dwMinorVersion >= 2))); 1086 if (!win8_or_later) { 1087 error_setg(errp, "fstrim is only supported for Win8+"); 1088 return NULL; 1089 } 1090 1091 handle = FindFirstVolumeW(guid, ARRAYSIZE(guid)); 1092 if (handle == INVALID_HANDLE_VALUE) { 1093 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 1094 return NULL; 1095 } 1096 1097 resp = g_new0(GuestFilesystemTrimResponse, 1); 1098 1099 do { 1100 GuestFilesystemTrimResult *res; 1101 GuestFilesystemTrimResultList *list; 1102 PWCHAR uc_path; 1103 DWORD char_count = 0; 1104 char *path, *out; 1105 GError *gerr = NULL; 1106 gchar * argv[4]; 1107 1108 GetVolumePathNamesForVolumeNameW(guid, NULL, 0, &char_count); 1109 1110 if (GetLastError() != ERROR_MORE_DATA) { 1111 continue; 1112 } 1113 if (GetDriveTypeW(guid) != DRIVE_FIXED) { 1114 continue; 1115 } 1116 1117 uc_path = g_malloc(sizeof(WCHAR) * char_count); 1118 if (!GetVolumePathNamesForVolumeNameW(guid, uc_path, char_count, 1119 &char_count) || !*uc_path) { 1120 /* strange, but this condition could be faced even with size == 2 */ 1121 g_free(uc_path); 1122 continue; 1123 } 1124 1125 res = g_new0(GuestFilesystemTrimResult, 1); 1126 1127 path = g_utf16_to_utf8(uc_path, char_count, NULL, NULL, &gerr); 1128 1129 g_free(uc_path); 1130 1131 if (!path) { 1132 res->has_error = true; 1133 res->error = g_strdup(gerr->message); 1134 g_error_free(gerr); 1135 break; 1136 } 1137 1138 res->path = path; 1139 1140 list = g_new0(GuestFilesystemTrimResultList, 1); 1141 list->value = res; 1142 list->next = resp->paths; 1143 1144 resp->paths = list; 1145 1146 memset(argv, 0, sizeof(argv)); 1147 argv[0] = (gchar *)"defrag.exe"; 1148 argv[1] = (gchar *)"/L"; 1149 argv[2] = path; 1150 1151 if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, 1152 &out /* stdout */, NULL /* stdin */, 1153 NULL, &gerr)) { 1154 res->has_error = true; 1155 res->error = g_strdup(gerr->message); 1156 g_error_free(gerr); 1157 } else { 1158 /* defrag.exe is UGLY. Exit code is ALWAYS zero. 1159 Error is reported in the output with something like 1160 (x89000020) etc code in the stdout */ 1161 1162 int i; 1163 gchar **lines = g_strsplit(out, "\r\n", 0); 1164 g_free(out); 1165 1166 for (i = 0; lines[i] != NULL; i++) { 1167 if (g_strstr_len(lines[i], -1, "(0x") == NULL) { 1168 continue; 1169 } 1170 res->has_error = true; 1171 res->error = g_strdup(lines[i]); 1172 break; 1173 } 1174 g_strfreev(lines); 1175 } 1176 } while (FindNextVolumeW(handle, guid, ARRAYSIZE(guid))); 1177 1178 FindVolumeClose(handle); 1179 return resp; 1180 } 1181 1182 typedef enum { 1183 GUEST_SUSPEND_MODE_DISK, 1184 GUEST_SUSPEND_MODE_RAM 1185 } GuestSuspendMode; 1186 1187 static void check_suspend_mode(GuestSuspendMode mode, Error **errp) 1188 { 1189 SYSTEM_POWER_CAPABILITIES sys_pwr_caps; 1190 Error *local_err = NULL; 1191 1192 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps)); 1193 if (!GetPwrCapabilities(&sys_pwr_caps)) { 1194 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 1195 "failed to determine guest suspend capabilities"); 1196 goto out; 1197 } 1198 1199 switch (mode) { 1200 case GUEST_SUSPEND_MODE_DISK: 1201 if (!sys_pwr_caps.SystemS4) { 1202 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 1203 "suspend-to-disk not supported by OS"); 1204 } 1205 break; 1206 case GUEST_SUSPEND_MODE_RAM: 1207 if (!sys_pwr_caps.SystemS3) { 1208 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 1209 "suspend-to-ram not supported by OS"); 1210 } 1211 break; 1212 default: 1213 error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode", 1214 "GuestSuspendMode"); 1215 } 1216 1217 out: 1218 error_propagate(errp, local_err); 1219 } 1220 1221 static DWORD WINAPI do_suspend(LPVOID opaque) 1222 { 1223 GuestSuspendMode *mode = opaque; 1224 DWORD ret = 0; 1225 1226 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) { 1227 slog("failed to suspend guest, %lu", GetLastError()); 1228 ret = -1; 1229 } 1230 g_free(mode); 1231 return ret; 1232 } 1233 1234 void qmp_guest_suspend_disk(Error **errp) 1235 { 1236 Error *local_err = NULL; 1237 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 1238 1239 *mode = GUEST_SUSPEND_MODE_DISK; 1240 check_suspend_mode(*mode, &local_err); 1241 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 1242 execute_async(do_suspend, mode, &local_err); 1243 1244 if (local_err) { 1245 error_propagate(errp, local_err); 1246 g_free(mode); 1247 } 1248 } 1249 1250 void qmp_guest_suspend_ram(Error **errp) 1251 { 1252 Error *local_err = NULL; 1253 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 1254 1255 *mode = GUEST_SUSPEND_MODE_RAM; 1256 check_suspend_mode(*mode, &local_err); 1257 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 1258 execute_async(do_suspend, mode, &local_err); 1259 1260 if (local_err) { 1261 error_propagate(errp, local_err); 1262 g_free(mode); 1263 } 1264 } 1265 1266 void qmp_guest_suspend_hybrid(Error **errp) 1267 { 1268 error_setg(errp, QERR_UNSUPPORTED); 1269 } 1270 1271 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp) 1272 { 1273 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL; 1274 ULONG adptr_addrs_len = 0; 1275 DWORD ret; 1276 1277 /* Call the first time to get the adptr_addrs_len. */ 1278 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 1279 NULL, adptr_addrs, &adptr_addrs_len); 1280 1281 adptr_addrs = g_malloc(adptr_addrs_len); 1282 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 1283 NULL, adptr_addrs, &adptr_addrs_len); 1284 if (ret != ERROR_SUCCESS) { 1285 error_setg_win32(errp, ret, "failed to get adapters addresses"); 1286 g_free(adptr_addrs); 1287 adptr_addrs = NULL; 1288 } 1289 return adptr_addrs; 1290 } 1291 1292 static char *guest_wctomb_dup(WCHAR *wstr) 1293 { 1294 char *str; 1295 size_t i; 1296 1297 i = wcslen(wstr) + 1; 1298 str = g_malloc(i); 1299 WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, 1300 wstr, -1, str, i, NULL, NULL); 1301 return str; 1302 } 1303 1304 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr, 1305 Error **errp) 1306 { 1307 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN]; 1308 DWORD len; 1309 int ret; 1310 1311 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET || 1312 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1313 len = sizeof(addr_str); 1314 ret = WSAAddressToString(ip_addr->Address.lpSockaddr, 1315 ip_addr->Address.iSockaddrLength, 1316 NULL, 1317 addr_str, 1318 &len); 1319 if (ret != 0) { 1320 error_setg_win32(errp, WSAGetLastError(), 1321 "failed address presentation form conversion"); 1322 return NULL; 1323 } 1324 return g_strdup(addr_str); 1325 } 1326 return NULL; 1327 } 1328 1329 #if (_WIN32_WINNT >= 0x0600) 1330 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1331 { 1332 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength 1333 * field to obtain the prefix. 1334 */ 1335 return ip_addr->OnLinkPrefixLength; 1336 } 1337 #else 1338 /* When using the Windows XP and 2003 build environment, do the best we can to 1339 * figure out the prefix. 1340 */ 1341 static IP_ADAPTER_INFO *guest_get_adapters_info(void) 1342 { 1343 IP_ADAPTER_INFO *adptr_info = NULL; 1344 ULONG adptr_info_len = 0; 1345 DWORD ret; 1346 1347 /* Call the first time to get the adptr_info_len. */ 1348 GetAdaptersInfo(adptr_info, &adptr_info_len); 1349 1350 adptr_info = g_malloc(adptr_info_len); 1351 ret = GetAdaptersInfo(adptr_info, &adptr_info_len); 1352 if (ret != ERROR_SUCCESS) { 1353 g_free(adptr_info); 1354 adptr_info = NULL; 1355 } 1356 return adptr_info; 1357 } 1358 1359 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1360 { 1361 int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */ 1362 IP_ADAPTER_INFO *adptr_info, *info; 1363 IP_ADDR_STRING *ip; 1364 struct in_addr *p; 1365 1366 if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) { 1367 return prefix; 1368 } 1369 adptr_info = guest_get_adapters_info(); 1370 if (adptr_info == NULL) { 1371 return prefix; 1372 } 1373 1374 /* Match up the passed in ip_addr with one found in adaptr_info. 1375 * The matching one in adptr_info will have the netmask. 1376 */ 1377 p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr; 1378 for (info = adptr_info; info; info = info->Next) { 1379 for (ip = &info->IpAddressList; ip; ip = ip->Next) { 1380 if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) { 1381 prefix = ctpop32(inet_addr(ip->IpMask.String)); 1382 goto out; 1383 } 1384 } 1385 } 1386 out: 1387 g_free(adptr_info); 1388 return prefix; 1389 } 1390 #endif 1391 1392 #define INTERFACE_PATH_BUF_SZ 512 1393 1394 static DWORD get_interface_index(const char *guid) 1395 { 1396 ULONG index; 1397 DWORD status; 1398 wchar_t wbuf[INTERFACE_PATH_BUF_SZ]; 1399 snwprintf(wbuf, INTERFACE_PATH_BUF_SZ, L"\\device\\tcpip_%s", guid); 1400 wbuf[INTERFACE_PATH_BUF_SZ - 1] = 0; 1401 status = GetAdapterIndex (wbuf, &index); 1402 if (status != NO_ERROR) { 1403 return (DWORD)~0; 1404 } else { 1405 return index; 1406 } 1407 } 1408 1409 typedef NETIOAPI_API (WINAPI *GetIfEntry2Func)(PMIB_IF_ROW2 Row); 1410 1411 static int guest_get_network_stats(const char *name, 1412 GuestNetworkInterfaceStat *stats) 1413 { 1414 OSVERSIONINFO os_ver; 1415 1416 os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1417 GetVersionEx(&os_ver); 1418 if (os_ver.dwMajorVersion >= 6) { 1419 MIB_IF_ROW2 a_mid_ifrow; 1420 GetIfEntry2Func getifentry2_ex; 1421 DWORD if_index = 0; 1422 HMODULE module = GetModuleHandle("iphlpapi"); 1423 PVOID func = GetProcAddress(module, "GetIfEntry2"); 1424 1425 if (func == NULL) { 1426 return -1; 1427 } 1428 1429 getifentry2_ex = (GetIfEntry2Func)func; 1430 if_index = get_interface_index(name); 1431 if (if_index == (DWORD)~0) { 1432 return -1; 1433 } 1434 1435 memset(&a_mid_ifrow, 0, sizeof(a_mid_ifrow)); 1436 a_mid_ifrow.InterfaceIndex = if_index; 1437 if (NO_ERROR == getifentry2_ex(&a_mid_ifrow)) { 1438 stats->rx_bytes = a_mid_ifrow.InOctets; 1439 stats->rx_packets = a_mid_ifrow.InUcastPkts; 1440 stats->rx_errs = a_mid_ifrow.InErrors; 1441 stats->rx_dropped = a_mid_ifrow.InDiscards; 1442 stats->tx_bytes = a_mid_ifrow.OutOctets; 1443 stats->tx_packets = a_mid_ifrow.OutUcastPkts; 1444 stats->tx_errs = a_mid_ifrow.OutErrors; 1445 stats->tx_dropped = a_mid_ifrow.OutDiscards; 1446 return 0; 1447 } 1448 } 1449 return -1; 1450 } 1451 1452 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp) 1453 { 1454 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr; 1455 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL; 1456 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL; 1457 GuestIpAddressList *head_addr, *cur_addr; 1458 GuestNetworkInterfaceList *info; 1459 GuestNetworkInterfaceStat *interface_stat = NULL; 1460 GuestIpAddressList *address_item = NULL; 1461 unsigned char *mac_addr; 1462 char *addr_str; 1463 WORD wsa_version; 1464 WSADATA wsa_data; 1465 int ret; 1466 1467 adptr_addrs = guest_get_adapters_addresses(errp); 1468 if (adptr_addrs == NULL) { 1469 return NULL; 1470 } 1471 1472 /* Make WSA APIs available. */ 1473 wsa_version = MAKEWORD(2, 2); 1474 ret = WSAStartup(wsa_version, &wsa_data); 1475 if (ret != 0) { 1476 error_setg_win32(errp, ret, "failed socket startup"); 1477 goto out; 1478 } 1479 1480 for (addr = adptr_addrs; addr; addr = addr->Next) { 1481 info = g_malloc0(sizeof(*info)); 1482 1483 if (cur_item == NULL) { 1484 head = cur_item = info; 1485 } else { 1486 cur_item->next = info; 1487 cur_item = info; 1488 } 1489 1490 info->value = g_malloc0(sizeof(*info->value)); 1491 info->value->name = guest_wctomb_dup(addr->FriendlyName); 1492 1493 if (addr->PhysicalAddressLength != 0) { 1494 mac_addr = addr->PhysicalAddress; 1495 1496 info->value->hardware_address = 1497 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x", 1498 (int) mac_addr[0], (int) mac_addr[1], 1499 (int) mac_addr[2], (int) mac_addr[3], 1500 (int) mac_addr[4], (int) mac_addr[5]); 1501 1502 info->value->has_hardware_address = true; 1503 } 1504 1505 head_addr = NULL; 1506 cur_addr = NULL; 1507 for (ip_addr = addr->FirstUnicastAddress; 1508 ip_addr; 1509 ip_addr = ip_addr->Next) { 1510 addr_str = guest_addr_to_str(ip_addr, errp); 1511 if (addr_str == NULL) { 1512 continue; 1513 } 1514 1515 address_item = g_malloc0(sizeof(*address_item)); 1516 1517 if (!cur_addr) { 1518 head_addr = cur_addr = address_item; 1519 } else { 1520 cur_addr->next = address_item; 1521 cur_addr = address_item; 1522 } 1523 1524 address_item->value = g_malloc0(sizeof(*address_item->value)); 1525 address_item->value->ip_address = addr_str; 1526 address_item->value->prefix = guest_ip_prefix(ip_addr); 1527 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) { 1528 address_item->value->ip_address_type = 1529 GUEST_IP_ADDRESS_TYPE_IPV4; 1530 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1531 address_item->value->ip_address_type = 1532 GUEST_IP_ADDRESS_TYPE_IPV6; 1533 } 1534 } 1535 if (head_addr) { 1536 info->value->has_ip_addresses = true; 1537 info->value->ip_addresses = head_addr; 1538 } 1539 if (!info->value->has_statistics) { 1540 interface_stat = g_malloc0(sizeof(*interface_stat)); 1541 if (guest_get_network_stats(addr->AdapterName, 1542 interface_stat) == -1) { 1543 info->value->has_statistics = false; 1544 g_free(interface_stat); 1545 } else { 1546 info->value->statistics = interface_stat; 1547 info->value->has_statistics = true; 1548 } 1549 } 1550 } 1551 WSACleanup(); 1552 out: 1553 g_free(adptr_addrs); 1554 return head; 1555 } 1556 1557 int64_t qmp_guest_get_time(Error **errp) 1558 { 1559 SYSTEMTIME ts = {0}; 1560 FILETIME tf; 1561 1562 GetSystemTime(&ts); 1563 if (ts.wYear < 1601 || ts.wYear > 30827) { 1564 error_setg(errp, "Failed to get time"); 1565 return -1; 1566 } 1567 1568 if (!SystemTimeToFileTime(&ts, &tf)) { 1569 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError()); 1570 return -1; 1571 } 1572 1573 return ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime) 1574 - W32_FT_OFFSET) * 100; 1575 } 1576 1577 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) 1578 { 1579 Error *local_err = NULL; 1580 SYSTEMTIME ts; 1581 FILETIME tf; 1582 LONGLONG time; 1583 1584 if (!has_time) { 1585 /* Unfortunately, Windows libraries don't provide an easy way to access 1586 * RTC yet: 1587 * 1588 * https://msdn.microsoft.com/en-us/library/aa908981.aspx 1589 * 1590 * Instead, a workaround is to use the Windows win32tm command to 1591 * resync the time using the Windows Time service. 1592 */ 1593 LPVOID msg_buffer; 1594 DWORD ret_flags; 1595 1596 HRESULT hr = system("w32tm /resync /nowait"); 1597 1598 if (GetLastError() != 0) { 1599 strerror_s((LPTSTR) & msg_buffer, 0, errno); 1600 error_setg(errp, "system(...) failed: %s", (LPCTSTR)msg_buffer); 1601 } else if (hr != 0) { 1602 if (hr == HRESULT_FROM_WIN32(ERROR_SERVICE_NOT_ACTIVE)) { 1603 error_setg(errp, "Windows Time service not running on the " 1604 "guest"); 1605 } else { 1606 if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | 1607 FORMAT_MESSAGE_FROM_SYSTEM | 1608 FORMAT_MESSAGE_IGNORE_INSERTS, NULL, 1609 (DWORD)hr, MAKELANGID(LANG_NEUTRAL, 1610 SUBLANG_DEFAULT), (LPTSTR) & msg_buffer, 0, 1611 NULL)) { 1612 error_setg(errp, "w32tm failed with error (0x%lx), couldn'" 1613 "t retrieve error message", hr); 1614 } else { 1615 error_setg(errp, "w32tm failed with error (0x%lx): %s", hr, 1616 (LPCTSTR)msg_buffer); 1617 LocalFree(msg_buffer); 1618 } 1619 } 1620 } else if (!InternetGetConnectedState(&ret_flags, 0)) { 1621 error_setg(errp, "No internet connection on guest, sync not " 1622 "accurate"); 1623 } 1624 return; 1625 } 1626 1627 /* Validate time passed by user. */ 1628 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { 1629 error_setg(errp, "Time %" PRId64 "is invalid", time_ns); 1630 return; 1631 } 1632 1633 time = time_ns / 100 + W32_FT_OFFSET; 1634 1635 tf.dwLowDateTime = (DWORD) time; 1636 tf.dwHighDateTime = (DWORD) (time >> 32); 1637 1638 if (!FileTimeToSystemTime(&tf, &ts)) { 1639 error_setg(errp, "Failed to convert system time %d", 1640 (int)GetLastError()); 1641 return; 1642 } 1643 1644 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err); 1645 if (local_err) { 1646 error_propagate(errp, local_err); 1647 return; 1648 } 1649 1650 if (!SetSystemTime(&ts)) { 1651 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); 1652 return; 1653 } 1654 } 1655 1656 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp) 1657 { 1658 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr; 1659 DWORD length; 1660 GuestLogicalProcessorList *head, **link; 1661 Error *local_err = NULL; 1662 int64_t current; 1663 1664 ptr = pslpi = NULL; 1665 length = 0; 1666 current = 0; 1667 head = NULL; 1668 link = &head; 1669 1670 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) && 1671 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) && 1672 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) { 1673 ptr = pslpi = g_malloc0(length); 1674 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) { 1675 error_setg(&local_err, "Failed to get processor information: %d", 1676 (int)GetLastError()); 1677 } 1678 } else { 1679 error_setg(&local_err, 1680 "Failed to get processor information buffer length: %d", 1681 (int)GetLastError()); 1682 } 1683 1684 while ((local_err == NULL) && (length > 0)) { 1685 if (pslpi->Relationship == RelationProcessorCore) { 1686 ULONG_PTR cpu_bits = pslpi->ProcessorMask; 1687 1688 while (cpu_bits > 0) { 1689 if (!!(cpu_bits & 1)) { 1690 GuestLogicalProcessor *vcpu; 1691 GuestLogicalProcessorList *entry; 1692 1693 vcpu = g_malloc0(sizeof *vcpu); 1694 vcpu->logical_id = current++; 1695 vcpu->online = true; 1696 vcpu->has_can_offline = true; 1697 1698 entry = g_malloc0(sizeof *entry); 1699 entry->value = vcpu; 1700 1701 *link = entry; 1702 link = &entry->next; 1703 } 1704 cpu_bits >>= 1; 1705 } 1706 } 1707 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); 1708 pslpi++; /* next entry */ 1709 } 1710 1711 g_free(ptr); 1712 1713 if (local_err == NULL) { 1714 if (head != NULL) { 1715 return head; 1716 } 1717 /* there's no guest with zero VCPUs */ 1718 error_setg(&local_err, "Guest reported zero VCPUs"); 1719 } 1720 1721 qapi_free_GuestLogicalProcessorList(head); 1722 error_propagate(errp, local_err); 1723 return NULL; 1724 } 1725 1726 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp) 1727 { 1728 error_setg(errp, QERR_UNSUPPORTED); 1729 return -1; 1730 } 1731 1732 static gchar * 1733 get_net_error_message(gint error) 1734 { 1735 HMODULE module = NULL; 1736 gchar *retval = NULL; 1737 wchar_t *msg = NULL; 1738 int flags; 1739 size_t nchars; 1740 1741 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER | 1742 FORMAT_MESSAGE_IGNORE_INSERTS | 1743 FORMAT_MESSAGE_FROM_SYSTEM; 1744 1745 if (error >= NERR_BASE && error <= MAX_NERR) { 1746 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE); 1747 1748 if (module != NULL) { 1749 flags |= FORMAT_MESSAGE_FROM_HMODULE; 1750 } 1751 } 1752 1753 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL); 1754 1755 if (msg != NULL) { 1756 nchars = wcslen(msg); 1757 1758 if (nchars >= 2 && 1759 msg[nchars - 1] == L'\n' && 1760 msg[nchars - 2] == L'\r') { 1761 msg[nchars - 2] = L'\0'; 1762 } 1763 1764 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL); 1765 1766 LocalFree(msg); 1767 } 1768 1769 if (module != NULL) { 1770 FreeLibrary(module); 1771 } 1772 1773 return retval; 1774 } 1775 1776 void qmp_guest_set_user_password(const char *username, 1777 const char *password, 1778 bool crypted, 1779 Error **errp) 1780 { 1781 NET_API_STATUS nas; 1782 char *rawpasswddata = NULL; 1783 size_t rawpasswdlen; 1784 wchar_t *user = NULL, *wpass = NULL; 1785 USER_INFO_1003 pi1003 = { 0, }; 1786 GError *gerr = NULL; 1787 1788 if (crypted) { 1789 error_setg(errp, QERR_UNSUPPORTED); 1790 return; 1791 } 1792 1793 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp); 1794 if (!rawpasswddata) { 1795 return; 1796 } 1797 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1); 1798 rawpasswddata[rawpasswdlen] = '\0'; 1799 1800 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr); 1801 if (!user) { 1802 goto done; 1803 } 1804 1805 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr); 1806 if (!wpass) { 1807 goto done; 1808 } 1809 1810 pi1003.usri1003_password = wpass; 1811 nas = NetUserSetInfo(NULL, user, 1812 1003, (LPBYTE)&pi1003, 1813 NULL); 1814 1815 if (nas != NERR_Success) { 1816 gchar *msg = get_net_error_message(nas); 1817 error_setg(errp, "failed to set password: %s", msg); 1818 g_free(msg); 1819 } 1820 1821 done: 1822 if (gerr) { 1823 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message); 1824 g_error_free(gerr); 1825 } 1826 g_free(user); 1827 g_free(wpass); 1828 g_free(rawpasswddata); 1829 } 1830 1831 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp) 1832 { 1833 error_setg(errp, QERR_UNSUPPORTED); 1834 return NULL; 1835 } 1836 1837 GuestMemoryBlockResponseList * 1838 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp) 1839 { 1840 error_setg(errp, QERR_UNSUPPORTED); 1841 return NULL; 1842 } 1843 1844 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp) 1845 { 1846 error_setg(errp, QERR_UNSUPPORTED); 1847 return NULL; 1848 } 1849 1850 /* add unsupported commands to the blacklist */ 1851 GList *ga_command_blacklist_init(GList *blacklist) 1852 { 1853 const char *list_unsupported[] = { 1854 "guest-suspend-hybrid", 1855 "guest-set-vcpus", 1856 "guest-get-memory-blocks", "guest-set-memory-blocks", 1857 "guest-get-memory-block-size", 1858 NULL}; 1859 char **p = (char **)list_unsupported; 1860 1861 while (*p) { 1862 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1863 } 1864 1865 if (!vss_init(true)) { 1866 g_debug("vss_init failed, vss commands are going to be disabled"); 1867 const char *list[] = { 1868 "guest-get-fsinfo", "guest-fsfreeze-status", 1869 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL}; 1870 p = (char **)list; 1871 1872 while (*p) { 1873 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1874 } 1875 } 1876 1877 return blacklist; 1878 } 1879 1880 /* register init/cleanup routines for stateful command groups */ 1881 void ga_command_state_init(GAState *s, GACommandState *cs) 1882 { 1883 if (!vss_initialized()) { 1884 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup); 1885 } 1886 } 1887 1888 /* MINGW is missing two fields: IncomingFrames & OutgoingFrames */ 1889 typedef struct _GA_WTSINFOA { 1890 WTS_CONNECTSTATE_CLASS State; 1891 DWORD SessionId; 1892 DWORD IncomingBytes; 1893 DWORD OutgoingBytes; 1894 DWORD IncomingFrames; 1895 DWORD OutgoingFrames; 1896 DWORD IncomingCompressedBytes; 1897 DWORD OutgoingCompressedBy; 1898 CHAR WinStationName[WINSTATIONNAME_LENGTH]; 1899 CHAR Domain[DOMAIN_LENGTH]; 1900 CHAR UserName[USERNAME_LENGTH + 1]; 1901 LARGE_INTEGER ConnectTime; 1902 LARGE_INTEGER DisconnectTime; 1903 LARGE_INTEGER LastInputTime; 1904 LARGE_INTEGER LogonTime; 1905 LARGE_INTEGER CurrentTime; 1906 1907 } GA_WTSINFOA; 1908 1909 GuestUserList *qmp_guest_get_users(Error **err) 1910 { 1911 #if (_WIN32_WINNT >= 0x0600) 1912 #define QGA_NANOSECONDS 10000000 1913 1914 GHashTable *cache = NULL; 1915 GuestUserList *head = NULL, *cur_item = NULL; 1916 1917 DWORD buffer_size = 0, count = 0, i = 0; 1918 GA_WTSINFOA *info = NULL; 1919 WTS_SESSION_INFOA *entries = NULL; 1920 GuestUserList *item = NULL; 1921 GuestUser *user = NULL; 1922 gpointer value = NULL; 1923 INT64 login = 0; 1924 double login_time = 0; 1925 1926 cache = g_hash_table_new(g_str_hash, g_str_equal); 1927 1928 if (WTSEnumerateSessionsA(NULL, 0, 1, &entries, &count)) { 1929 for (i = 0; i < count; ++i) { 1930 buffer_size = 0; 1931 info = NULL; 1932 if (WTSQuerySessionInformationA( 1933 NULL, 1934 entries[i].SessionId, 1935 WTSSessionInfo, 1936 (LPSTR *)&info, 1937 &buffer_size 1938 )) { 1939 1940 if (strlen(info->UserName) == 0) { 1941 WTSFreeMemory(info); 1942 continue; 1943 } 1944 1945 login = info->LogonTime.QuadPart; 1946 login -= W32_FT_OFFSET; 1947 login_time = ((double)login) / QGA_NANOSECONDS; 1948 1949 if (g_hash_table_contains(cache, info->UserName)) { 1950 value = g_hash_table_lookup(cache, info->UserName); 1951 user = (GuestUser *)value; 1952 if (user->login_time > login_time) { 1953 user->login_time = login_time; 1954 } 1955 } else { 1956 item = g_new0(GuestUserList, 1); 1957 item->value = g_new0(GuestUser, 1); 1958 1959 item->value->user = g_strdup(info->UserName); 1960 item->value->domain = g_strdup(info->Domain); 1961 item->value->has_domain = true; 1962 1963 item->value->login_time = login_time; 1964 1965 g_hash_table_add(cache, item->value->user); 1966 1967 if (!cur_item) { 1968 head = cur_item = item; 1969 } else { 1970 cur_item->next = item; 1971 cur_item = item; 1972 } 1973 } 1974 } 1975 WTSFreeMemory(info); 1976 } 1977 WTSFreeMemory(entries); 1978 } 1979 g_hash_table_destroy(cache); 1980 return head; 1981 #else 1982 error_setg(err, QERR_UNSUPPORTED); 1983 return NULL; 1984 #endif 1985 } 1986 1987 typedef struct _ga_matrix_lookup_t { 1988 int major; 1989 int minor; 1990 char const *version; 1991 char const *version_id; 1992 } ga_matrix_lookup_t; 1993 1994 static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][8] = { 1995 { 1996 /* Desktop editions */ 1997 { 5, 0, "Microsoft Windows 2000", "2000"}, 1998 { 5, 1, "Microsoft Windows XP", "xp"}, 1999 { 6, 0, "Microsoft Windows Vista", "vista"}, 2000 { 6, 1, "Microsoft Windows 7" "7"}, 2001 { 6, 2, "Microsoft Windows 8", "8"}, 2002 { 6, 3, "Microsoft Windows 8.1", "8.1"}, 2003 {10, 0, "Microsoft Windows 10", "10"}, 2004 { 0, 0, 0} 2005 },{ 2006 /* Server editions */ 2007 { 5, 2, "Microsoft Windows Server 2003", "2003"}, 2008 { 6, 0, "Microsoft Windows Server 2008", "2008"}, 2009 { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"}, 2010 { 6, 2, "Microsoft Windows Server 2012", "2012"}, 2011 { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"}, 2012 {10, 0, "Microsoft Windows Server 2016", "2016"}, 2013 { 0, 0, 0}, 2014 { 0, 0, 0} 2015 } 2016 }; 2017 2018 static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp) 2019 { 2020 typedef NTSTATUS(WINAPI * rtl_get_version_t)( 2021 RTL_OSVERSIONINFOEXW *os_version_info_ex); 2022 2023 info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW); 2024 2025 HMODULE module = GetModuleHandle("ntdll"); 2026 PVOID fun = GetProcAddress(module, "RtlGetVersion"); 2027 if (fun == NULL) { 2028 error_setg(errp, QERR_QGA_COMMAND_FAILED, 2029 "Failed to get address of RtlGetVersion"); 2030 return; 2031 } 2032 2033 rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun; 2034 rtl_get_version(info); 2035 return; 2036 } 2037 2038 static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id) 2039 { 2040 DWORD major = os_version->dwMajorVersion; 2041 DWORD minor = os_version->dwMinorVersion; 2042 int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION); 2043 ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx]; 2044 while (table->version != NULL) { 2045 if (major == table->major && minor == table->minor) { 2046 if (id) { 2047 return g_strdup(table->version_id); 2048 } else { 2049 return g_strdup(table->version); 2050 } 2051 } 2052 ++table; 2053 } 2054 slog("failed to lookup Windows version: major=%lu, minor=%lu", 2055 major, minor); 2056 return g_strdup("N/A"); 2057 } 2058 2059 static char *ga_get_win_product_name(Error **errp) 2060 { 2061 HKEY key = NULL; 2062 DWORD size = 128; 2063 char *result = g_malloc0(size); 2064 LONG err = ERROR_SUCCESS; 2065 2066 err = RegOpenKeyA(HKEY_LOCAL_MACHINE, 2067 "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", 2068 &key); 2069 if (err != ERROR_SUCCESS) { 2070 error_setg_win32(errp, err, "failed to open registry key"); 2071 goto fail; 2072 } 2073 2074 err = RegQueryValueExA(key, "ProductName", NULL, NULL, 2075 (LPBYTE)result, &size); 2076 if (err == ERROR_MORE_DATA) { 2077 slog("ProductName longer than expected (%lu bytes), retrying", 2078 size); 2079 g_free(result); 2080 result = NULL; 2081 if (size > 0) { 2082 result = g_malloc0(size); 2083 err = RegQueryValueExA(key, "ProductName", NULL, NULL, 2084 (LPBYTE)result, &size); 2085 } 2086 } 2087 if (err != ERROR_SUCCESS) { 2088 error_setg_win32(errp, err, "failed to retrive ProductName"); 2089 goto fail; 2090 } 2091 2092 return result; 2093 2094 fail: 2095 g_free(result); 2096 return NULL; 2097 } 2098 2099 static char *ga_get_current_arch(void) 2100 { 2101 SYSTEM_INFO info; 2102 GetNativeSystemInfo(&info); 2103 char *result = NULL; 2104 switch (info.wProcessorArchitecture) { 2105 case PROCESSOR_ARCHITECTURE_AMD64: 2106 result = g_strdup("x86_64"); 2107 break; 2108 case PROCESSOR_ARCHITECTURE_ARM: 2109 result = g_strdup("arm"); 2110 break; 2111 case PROCESSOR_ARCHITECTURE_IA64: 2112 result = g_strdup("ia64"); 2113 break; 2114 case PROCESSOR_ARCHITECTURE_INTEL: 2115 result = g_strdup("x86"); 2116 break; 2117 case PROCESSOR_ARCHITECTURE_UNKNOWN: 2118 default: 2119 slog("unknown processor architecture 0x%0x", 2120 info.wProcessorArchitecture); 2121 result = g_strdup("unknown"); 2122 break; 2123 } 2124 return result; 2125 } 2126 2127 GuestOSInfo *qmp_guest_get_osinfo(Error **errp) 2128 { 2129 Error *local_err = NULL; 2130 OSVERSIONINFOEXW os_version = {0}; 2131 bool server; 2132 char *product_name; 2133 GuestOSInfo *info; 2134 2135 ga_get_win_version(&os_version, &local_err); 2136 if (local_err) { 2137 error_propagate(errp, local_err); 2138 return NULL; 2139 } 2140 2141 server = os_version.wProductType != VER_NT_WORKSTATION; 2142 product_name = ga_get_win_product_name(&local_err); 2143 if (product_name == NULL) { 2144 error_propagate(errp, local_err); 2145 return NULL; 2146 } 2147 2148 info = g_new0(GuestOSInfo, 1); 2149 2150 info->has_kernel_version = true; 2151 info->kernel_version = g_strdup_printf("%lu.%lu", 2152 os_version.dwMajorVersion, 2153 os_version.dwMinorVersion); 2154 info->has_kernel_release = true; 2155 info->kernel_release = g_strdup_printf("%lu", 2156 os_version.dwBuildNumber); 2157 info->has_machine = true; 2158 info->machine = ga_get_current_arch(); 2159 2160 info->has_id = true; 2161 info->id = g_strdup("mswindows"); 2162 info->has_name = true; 2163 info->name = g_strdup("Microsoft Windows"); 2164 info->has_pretty_name = true; 2165 info->pretty_name = product_name; 2166 info->has_version = true; 2167 info->version = ga_get_win_name(&os_version, false); 2168 info->has_version_id = true; 2169 info->version_id = ga_get_win_name(&os_version, true); 2170 info->has_variant = true; 2171 info->variant = g_strdup(server ? "server" : "client"); 2172 info->has_variant_id = true; 2173 info->variant_id = g_strdup(server ? "server" : "client"); 2174 2175 return info; 2176 } 2177