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