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