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