1 /* 2 * QEMU Guest Agent win32-specific command implementations 3 * 4 * Copyright IBM Corp. 2012 5 * 6 * Authors: 7 * Michael Roth <mdroth@linux.vnet.ibm.com> 8 * Gal Hammer <ghammer@redhat.com> 9 * 10 * This work is licensed under the terms of the GNU GPL, version 2 or later. 11 * See the COPYING file in the top-level directory. 12 */ 13 14 #ifndef _WIN32_WINNT 15 # define _WIN32_WINNT 0x0600 16 #endif 17 18 #include "qemu/osdep.h" 19 #include <wtypes.h> 20 #include <powrprof.h> 21 #include <winsock2.h> 22 #include <ws2tcpip.h> 23 #include <iptypes.h> 24 #include <iphlpapi.h> 25 #ifdef CONFIG_QGA_NTDDSCSI 26 #include <winioctl.h> 27 #include <ntddscsi.h> 28 #include <setupapi.h> 29 #include <initguid.h> 30 #endif 31 #include <lm.h> 32 #include <wtsapi32.h> 33 #include <wininet.h> 34 35 #include "guest-agent-core.h" 36 #include "vss-win32.h" 37 #include "qga-qapi-commands.h" 38 #include "qapi/error.h" 39 #include "qapi/qmp/qerror.h" 40 #include "qemu/queue.h" 41 #include "qemu/host-utils.h" 42 #include "qemu/base64.h" 43 44 #ifndef SHTDN_REASON_FLAG_PLANNED 45 #define SHTDN_REASON_FLAG_PLANNED 0x80000000 46 #endif 47 48 /* multiple of 100 nanoseconds elapsed between windows baseline 49 * (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */ 50 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \ 51 (365 * (1970 - 1601) + \ 52 (1970 - 1601) / 4 - 3)) 53 54 #define INVALID_SET_FILE_POINTER ((DWORD)-1) 55 56 typedef struct GuestFileHandle { 57 int64_t id; 58 HANDLE fh; 59 QTAILQ_ENTRY(GuestFileHandle) next; 60 } GuestFileHandle; 61 62 static struct { 63 QTAILQ_HEAD(, GuestFileHandle) filehandles; 64 } guest_file_state = { 65 .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles), 66 }; 67 68 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA) 69 70 typedef struct OpenFlags { 71 const char *forms; 72 DWORD desired_access; 73 DWORD creation_disposition; 74 } OpenFlags; 75 static OpenFlags guest_file_open_modes[] = { 76 {"r", GENERIC_READ, OPEN_EXISTING}, 77 {"rb", GENERIC_READ, OPEN_EXISTING}, 78 {"w", GENERIC_WRITE, CREATE_ALWAYS}, 79 {"wb", GENERIC_WRITE, CREATE_ALWAYS}, 80 {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS }, 81 {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 82 {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 83 {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 84 {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 85 {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 86 {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 87 {"a+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }, 88 {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }, 89 {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS } 90 }; 91 92 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 || count >= UINT32_MAX) { 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 uint64_t i64FreeBytesToCaller, i64TotalBytes, i64FreeBytes; 674 GuestFilesystemInfo *fs = NULL; 675 676 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size); 677 if (GetLastError() != ERROR_MORE_DATA) { 678 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 679 return NULL; 680 } 681 682 mnt_point = g_malloc(info_size + 1); 683 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size, 684 &info_size)) { 685 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 686 goto free; 687 } 688 689 len = strlen(mnt_point); 690 mnt_point[len] = '\\'; 691 mnt_point[len+1] = 0; 692 if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL, 693 NULL, (LPSTR)&fs_name, sizeof(fs_name))) { 694 if (GetLastError() != ERROR_NOT_READY) { 695 error_setg_win32(errp, GetLastError(), "failed to get volume info"); 696 } 697 goto free; 698 } 699 700 fs_name[sizeof(fs_name) - 1] = 0; 701 fs = g_malloc(sizeof(*fs)); 702 fs->name = g_strdup(guid); 703 fs->has_total_bytes = false; 704 fs->has_used_bytes = false; 705 if (len == 0) { 706 fs->mountpoint = g_strdup("System Reserved"); 707 } else { 708 fs->mountpoint = g_strndup(mnt_point, len); 709 if (GetDiskFreeSpaceEx(fs->mountpoint, 710 (PULARGE_INTEGER) & i64FreeBytesToCaller, 711 (PULARGE_INTEGER) & i64TotalBytes, 712 (PULARGE_INTEGER) & i64FreeBytes)) { 713 fs->used_bytes = i64TotalBytes - i64FreeBytes; 714 fs->total_bytes = i64TotalBytes; 715 fs->has_total_bytes = true; 716 fs->has_used_bytes = true; 717 } 718 } 719 fs->type = g_strdup(fs_name); 720 fs->disk = build_guest_disk_info(guid, errp); 721 free: 722 g_free(mnt_point); 723 return fs; 724 } 725 726 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp) 727 { 728 HANDLE vol_h; 729 GuestFilesystemInfoList *new, *ret = NULL; 730 char guid[256]; 731 732 vol_h = FindFirstVolume(guid, sizeof(guid)); 733 if (vol_h == INVALID_HANDLE_VALUE) { 734 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 735 return NULL; 736 } 737 738 do { 739 GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp); 740 if (info == NULL) { 741 continue; 742 } 743 new = g_malloc(sizeof(*ret)); 744 new->value = info; 745 new->next = ret; 746 ret = new; 747 } while (FindNextVolume(vol_h, guid, sizeof(guid))); 748 749 if (GetLastError() != ERROR_NO_MORE_FILES) { 750 error_setg_win32(errp, GetLastError(), "failed to find next volume"); 751 } 752 753 FindVolumeClose(vol_h); 754 return ret; 755 } 756 757 /* 758 * Return status of freeze/thaw 759 */ 760 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp) 761 { 762 if (!vss_initialized()) { 763 error_setg(errp, QERR_UNSUPPORTED); 764 return 0; 765 } 766 767 if (ga_is_frozen(ga_state)) { 768 return GUEST_FSFREEZE_STATUS_FROZEN; 769 } 770 771 return GUEST_FSFREEZE_STATUS_THAWED; 772 } 773 774 /* 775 * Freeze local file systems using Volume Shadow-copy Service. 776 * The frozen state is limited for up to 10 seconds by VSS. 777 */ 778 int64_t qmp_guest_fsfreeze_freeze(Error **errp) 779 { 780 int i; 781 Error *local_err = NULL; 782 783 if (!vss_initialized()) { 784 error_setg(errp, QERR_UNSUPPORTED); 785 return 0; 786 } 787 788 slog("guest-fsfreeze called"); 789 790 /* cannot risk guest agent blocking itself on a write in this state */ 791 ga_set_frozen(ga_state); 792 793 qga_vss_fsfreeze(&i, true, &local_err); 794 if (local_err) { 795 error_propagate(errp, local_err); 796 goto error; 797 } 798 799 return i; 800 801 error: 802 local_err = NULL; 803 qmp_guest_fsfreeze_thaw(&local_err); 804 if (local_err) { 805 g_debug("cleanup thaw: %s", error_get_pretty(local_err)); 806 error_free(local_err); 807 } 808 return 0; 809 } 810 811 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, 812 strList *mountpoints, 813 Error **errp) 814 { 815 error_setg(errp, QERR_UNSUPPORTED); 816 817 return 0; 818 } 819 820 /* 821 * Thaw local file systems using Volume Shadow-copy Service. 822 */ 823 int64_t qmp_guest_fsfreeze_thaw(Error **errp) 824 { 825 int i; 826 827 if (!vss_initialized()) { 828 error_setg(errp, QERR_UNSUPPORTED); 829 return 0; 830 } 831 832 qga_vss_fsfreeze(&i, false, errp); 833 834 ga_unset_frozen(ga_state); 835 return i; 836 } 837 838 static void guest_fsfreeze_cleanup(void) 839 { 840 Error *err = NULL; 841 842 if (!vss_initialized()) { 843 return; 844 } 845 846 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) { 847 qmp_guest_fsfreeze_thaw(&err); 848 if (err) { 849 slog("failed to clean up frozen filesystems: %s", 850 error_get_pretty(err)); 851 error_free(err); 852 } 853 } 854 855 vss_deinit(true); 856 } 857 858 /* 859 * Walk list of mounted file systems in the guest, and discard unused 860 * areas. 861 */ 862 GuestFilesystemTrimResponse * 863 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) 864 { 865 GuestFilesystemTrimResponse *resp; 866 HANDLE handle; 867 WCHAR guid[MAX_PATH] = L""; 868 869 handle = FindFirstVolumeW(guid, ARRAYSIZE(guid)); 870 if (handle == INVALID_HANDLE_VALUE) { 871 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 872 return NULL; 873 } 874 875 resp = g_new0(GuestFilesystemTrimResponse, 1); 876 877 do { 878 GuestFilesystemTrimResult *res; 879 GuestFilesystemTrimResultList *list; 880 PWCHAR uc_path; 881 DWORD char_count = 0; 882 char *path, *out; 883 GError *gerr = NULL; 884 gchar * argv[4]; 885 886 GetVolumePathNamesForVolumeNameW(guid, NULL, 0, &char_count); 887 888 if (GetLastError() != ERROR_MORE_DATA) { 889 continue; 890 } 891 if (GetDriveTypeW(guid) != DRIVE_FIXED) { 892 continue; 893 } 894 895 uc_path = g_malloc(sizeof(WCHAR) * char_count); 896 if (!GetVolumePathNamesForVolumeNameW(guid, uc_path, char_count, 897 &char_count) || !*uc_path) { 898 /* strange, but this condition could be faced even with size == 2 */ 899 g_free(uc_path); 900 continue; 901 } 902 903 res = g_new0(GuestFilesystemTrimResult, 1); 904 905 path = g_utf16_to_utf8(uc_path, char_count, NULL, NULL, &gerr); 906 907 g_free(uc_path); 908 909 if (!path) { 910 res->has_error = true; 911 res->error = g_strdup(gerr->message); 912 g_error_free(gerr); 913 break; 914 } 915 916 res->path = path; 917 918 list = g_new0(GuestFilesystemTrimResultList, 1); 919 list->value = res; 920 list->next = resp->paths; 921 922 resp->paths = list; 923 924 memset(argv, 0, sizeof(argv)); 925 argv[0] = (gchar *)"defrag.exe"; 926 argv[1] = (gchar *)"/L"; 927 argv[2] = path; 928 929 if (!g_spawn_sync(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, NULL, 930 &out /* stdout */, NULL /* stdin */, 931 NULL, &gerr)) { 932 res->has_error = true; 933 res->error = g_strdup(gerr->message); 934 g_error_free(gerr); 935 } else { 936 /* defrag.exe is UGLY. Exit code is ALWAYS zero. 937 Error is reported in the output with something like 938 (x89000020) etc code in the stdout */ 939 940 int i; 941 gchar **lines = g_strsplit(out, "\r\n", 0); 942 g_free(out); 943 944 for (i = 0; lines[i] != NULL; i++) { 945 if (g_strstr_len(lines[i], -1, "(0x") == NULL) { 946 continue; 947 } 948 res->has_error = true; 949 res->error = g_strdup(lines[i]); 950 break; 951 } 952 g_strfreev(lines); 953 } 954 } while (FindNextVolumeW(handle, guid, ARRAYSIZE(guid))); 955 956 FindVolumeClose(handle); 957 return resp; 958 } 959 960 typedef enum { 961 GUEST_SUSPEND_MODE_DISK, 962 GUEST_SUSPEND_MODE_RAM 963 } GuestSuspendMode; 964 965 static void check_suspend_mode(GuestSuspendMode mode, Error **errp) 966 { 967 SYSTEM_POWER_CAPABILITIES sys_pwr_caps; 968 Error *local_err = NULL; 969 970 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps)); 971 if (!GetPwrCapabilities(&sys_pwr_caps)) { 972 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 973 "failed to determine guest suspend capabilities"); 974 goto out; 975 } 976 977 switch (mode) { 978 case GUEST_SUSPEND_MODE_DISK: 979 if (!sys_pwr_caps.SystemS4) { 980 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 981 "suspend-to-disk not supported by OS"); 982 } 983 break; 984 case GUEST_SUSPEND_MODE_RAM: 985 if (!sys_pwr_caps.SystemS3) { 986 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 987 "suspend-to-ram not supported by OS"); 988 } 989 break; 990 default: 991 error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode", 992 "GuestSuspendMode"); 993 } 994 995 out: 996 error_propagate(errp, local_err); 997 } 998 999 static DWORD WINAPI do_suspend(LPVOID opaque) 1000 { 1001 GuestSuspendMode *mode = opaque; 1002 DWORD ret = 0; 1003 1004 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) { 1005 slog("failed to suspend guest, %lu", GetLastError()); 1006 ret = -1; 1007 } 1008 g_free(mode); 1009 return ret; 1010 } 1011 1012 void qmp_guest_suspend_disk(Error **errp) 1013 { 1014 Error *local_err = NULL; 1015 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 1016 1017 *mode = GUEST_SUSPEND_MODE_DISK; 1018 check_suspend_mode(*mode, &local_err); 1019 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 1020 execute_async(do_suspend, mode, &local_err); 1021 1022 if (local_err) { 1023 error_propagate(errp, local_err); 1024 g_free(mode); 1025 } 1026 } 1027 1028 void qmp_guest_suspend_ram(Error **errp) 1029 { 1030 Error *local_err = NULL; 1031 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 1032 1033 *mode = GUEST_SUSPEND_MODE_RAM; 1034 check_suspend_mode(*mode, &local_err); 1035 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 1036 execute_async(do_suspend, mode, &local_err); 1037 1038 if (local_err) { 1039 error_propagate(errp, local_err); 1040 g_free(mode); 1041 } 1042 } 1043 1044 void qmp_guest_suspend_hybrid(Error **errp) 1045 { 1046 error_setg(errp, QERR_UNSUPPORTED); 1047 } 1048 1049 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp) 1050 { 1051 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL; 1052 ULONG adptr_addrs_len = 0; 1053 DWORD ret; 1054 1055 /* Call the first time to get the adptr_addrs_len. */ 1056 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 1057 NULL, adptr_addrs, &adptr_addrs_len); 1058 1059 adptr_addrs = g_malloc(adptr_addrs_len); 1060 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 1061 NULL, adptr_addrs, &adptr_addrs_len); 1062 if (ret != ERROR_SUCCESS) { 1063 error_setg_win32(errp, ret, "failed to get adapters addresses"); 1064 g_free(adptr_addrs); 1065 adptr_addrs = NULL; 1066 } 1067 return adptr_addrs; 1068 } 1069 1070 static char *guest_wctomb_dup(WCHAR *wstr) 1071 { 1072 char *str; 1073 size_t i; 1074 1075 i = wcslen(wstr) + 1; 1076 str = g_malloc(i); 1077 WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, 1078 wstr, -1, str, i, NULL, NULL); 1079 return str; 1080 } 1081 1082 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr, 1083 Error **errp) 1084 { 1085 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN]; 1086 DWORD len; 1087 int ret; 1088 1089 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET || 1090 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1091 len = sizeof(addr_str); 1092 ret = WSAAddressToString(ip_addr->Address.lpSockaddr, 1093 ip_addr->Address.iSockaddrLength, 1094 NULL, 1095 addr_str, 1096 &len); 1097 if (ret != 0) { 1098 error_setg_win32(errp, WSAGetLastError(), 1099 "failed address presentation form conversion"); 1100 return NULL; 1101 } 1102 return g_strdup(addr_str); 1103 } 1104 return NULL; 1105 } 1106 1107 #if (_WIN32_WINNT >= 0x0600) 1108 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1109 { 1110 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength 1111 * field to obtain the prefix. 1112 */ 1113 return ip_addr->OnLinkPrefixLength; 1114 } 1115 #else 1116 /* When using the Windows XP and 2003 build environment, do the best we can to 1117 * figure out the prefix. 1118 */ 1119 static IP_ADAPTER_INFO *guest_get_adapters_info(void) 1120 { 1121 IP_ADAPTER_INFO *adptr_info = NULL; 1122 ULONG adptr_info_len = 0; 1123 DWORD ret; 1124 1125 /* Call the first time to get the adptr_info_len. */ 1126 GetAdaptersInfo(adptr_info, &adptr_info_len); 1127 1128 adptr_info = g_malloc(adptr_info_len); 1129 ret = GetAdaptersInfo(adptr_info, &adptr_info_len); 1130 if (ret != ERROR_SUCCESS) { 1131 g_free(adptr_info); 1132 adptr_info = NULL; 1133 } 1134 return adptr_info; 1135 } 1136 1137 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1138 { 1139 int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */ 1140 IP_ADAPTER_INFO *adptr_info, *info; 1141 IP_ADDR_STRING *ip; 1142 struct in_addr *p; 1143 1144 if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) { 1145 return prefix; 1146 } 1147 adptr_info = guest_get_adapters_info(); 1148 if (adptr_info == NULL) { 1149 return prefix; 1150 } 1151 1152 /* Match up the passed in ip_addr with one found in adaptr_info. 1153 * The matching one in adptr_info will have the netmask. 1154 */ 1155 p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr; 1156 for (info = adptr_info; info; info = info->Next) { 1157 for (ip = &info->IpAddressList; ip; ip = ip->Next) { 1158 if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) { 1159 prefix = ctpop32(inet_addr(ip->IpMask.String)); 1160 goto out; 1161 } 1162 } 1163 } 1164 out: 1165 g_free(adptr_info); 1166 return prefix; 1167 } 1168 #endif 1169 1170 #define INTERFACE_PATH_BUF_SZ 512 1171 1172 static DWORD get_interface_index(const char *guid) 1173 { 1174 ULONG index; 1175 DWORD status; 1176 wchar_t wbuf[INTERFACE_PATH_BUF_SZ]; 1177 snwprintf(wbuf, INTERFACE_PATH_BUF_SZ, L"\\device\\tcpip_%s", guid); 1178 wbuf[INTERFACE_PATH_BUF_SZ - 1] = 0; 1179 status = GetAdapterIndex (wbuf, &index); 1180 if (status != NO_ERROR) { 1181 return (DWORD)~0; 1182 } else { 1183 return index; 1184 } 1185 } 1186 1187 typedef NETIOAPI_API (WINAPI *GetIfEntry2Func)(PMIB_IF_ROW2 Row); 1188 1189 static int guest_get_network_stats(const char *name, 1190 GuestNetworkInterfaceStat *stats) 1191 { 1192 OSVERSIONINFO os_ver; 1193 1194 os_ver.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 1195 GetVersionEx(&os_ver); 1196 if (os_ver.dwMajorVersion >= 6) { 1197 MIB_IF_ROW2 a_mid_ifrow; 1198 GetIfEntry2Func getifentry2_ex; 1199 DWORD if_index = 0; 1200 HMODULE module = GetModuleHandle("iphlpapi"); 1201 PVOID func = GetProcAddress(module, "GetIfEntry2"); 1202 1203 if (func == NULL) { 1204 return -1; 1205 } 1206 1207 getifentry2_ex = (GetIfEntry2Func)func; 1208 if_index = get_interface_index(name); 1209 if (if_index == (DWORD)~0) { 1210 return -1; 1211 } 1212 1213 memset(&a_mid_ifrow, 0, sizeof(a_mid_ifrow)); 1214 a_mid_ifrow.InterfaceIndex = if_index; 1215 if (NO_ERROR == getifentry2_ex(&a_mid_ifrow)) { 1216 stats->rx_bytes = a_mid_ifrow.InOctets; 1217 stats->rx_packets = a_mid_ifrow.InUcastPkts; 1218 stats->rx_errs = a_mid_ifrow.InErrors; 1219 stats->rx_dropped = a_mid_ifrow.InDiscards; 1220 stats->tx_bytes = a_mid_ifrow.OutOctets; 1221 stats->tx_packets = a_mid_ifrow.OutUcastPkts; 1222 stats->tx_errs = a_mid_ifrow.OutErrors; 1223 stats->tx_dropped = a_mid_ifrow.OutDiscards; 1224 return 0; 1225 } 1226 } 1227 return -1; 1228 } 1229 1230 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp) 1231 { 1232 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr; 1233 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL; 1234 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL; 1235 GuestIpAddressList *head_addr, *cur_addr; 1236 GuestNetworkInterfaceList *info; 1237 GuestNetworkInterfaceStat *interface_stat = NULL; 1238 GuestIpAddressList *address_item = NULL; 1239 unsigned char *mac_addr; 1240 char *addr_str; 1241 WORD wsa_version; 1242 WSADATA wsa_data; 1243 int ret; 1244 1245 adptr_addrs = guest_get_adapters_addresses(errp); 1246 if (adptr_addrs == NULL) { 1247 return NULL; 1248 } 1249 1250 /* Make WSA APIs available. */ 1251 wsa_version = MAKEWORD(2, 2); 1252 ret = WSAStartup(wsa_version, &wsa_data); 1253 if (ret != 0) { 1254 error_setg_win32(errp, ret, "failed socket startup"); 1255 goto out; 1256 } 1257 1258 for (addr = adptr_addrs; addr; addr = addr->Next) { 1259 info = g_malloc0(sizeof(*info)); 1260 1261 if (cur_item == NULL) { 1262 head = cur_item = info; 1263 } else { 1264 cur_item->next = info; 1265 cur_item = info; 1266 } 1267 1268 info->value = g_malloc0(sizeof(*info->value)); 1269 info->value->name = guest_wctomb_dup(addr->FriendlyName); 1270 1271 if (addr->PhysicalAddressLength != 0) { 1272 mac_addr = addr->PhysicalAddress; 1273 1274 info->value->hardware_address = 1275 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x", 1276 (int) mac_addr[0], (int) mac_addr[1], 1277 (int) mac_addr[2], (int) mac_addr[3], 1278 (int) mac_addr[4], (int) mac_addr[5]); 1279 1280 info->value->has_hardware_address = true; 1281 } 1282 1283 head_addr = NULL; 1284 cur_addr = NULL; 1285 for (ip_addr = addr->FirstUnicastAddress; 1286 ip_addr; 1287 ip_addr = ip_addr->Next) { 1288 addr_str = guest_addr_to_str(ip_addr, errp); 1289 if (addr_str == NULL) { 1290 continue; 1291 } 1292 1293 address_item = g_malloc0(sizeof(*address_item)); 1294 1295 if (!cur_addr) { 1296 head_addr = cur_addr = address_item; 1297 } else { 1298 cur_addr->next = address_item; 1299 cur_addr = address_item; 1300 } 1301 1302 address_item->value = g_malloc0(sizeof(*address_item->value)); 1303 address_item->value->ip_address = addr_str; 1304 address_item->value->prefix = guest_ip_prefix(ip_addr); 1305 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) { 1306 address_item->value->ip_address_type = 1307 GUEST_IP_ADDRESS_TYPE_IPV4; 1308 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1309 address_item->value->ip_address_type = 1310 GUEST_IP_ADDRESS_TYPE_IPV6; 1311 } 1312 } 1313 if (head_addr) { 1314 info->value->has_ip_addresses = true; 1315 info->value->ip_addresses = head_addr; 1316 } 1317 if (!info->value->has_statistics) { 1318 interface_stat = g_malloc0(sizeof(*interface_stat)); 1319 if (guest_get_network_stats(addr->AdapterName, 1320 interface_stat) == -1) { 1321 info->value->has_statistics = false; 1322 g_free(interface_stat); 1323 } else { 1324 info->value->statistics = interface_stat; 1325 info->value->has_statistics = true; 1326 } 1327 } 1328 } 1329 WSACleanup(); 1330 out: 1331 g_free(adptr_addrs); 1332 return head; 1333 } 1334 1335 int64_t qmp_guest_get_time(Error **errp) 1336 { 1337 SYSTEMTIME ts = {0}; 1338 FILETIME tf; 1339 1340 GetSystemTime(&ts); 1341 if (ts.wYear < 1601 || ts.wYear > 30827) { 1342 error_setg(errp, "Failed to get time"); 1343 return -1; 1344 } 1345 1346 if (!SystemTimeToFileTime(&ts, &tf)) { 1347 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError()); 1348 return -1; 1349 } 1350 1351 return ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime) 1352 - W32_FT_OFFSET) * 100; 1353 } 1354 1355 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) 1356 { 1357 Error *local_err = NULL; 1358 SYSTEMTIME ts; 1359 FILETIME tf; 1360 LONGLONG time; 1361 1362 if (!has_time) { 1363 /* Unfortunately, Windows libraries don't provide an easy way to access 1364 * RTC yet: 1365 * 1366 * https://msdn.microsoft.com/en-us/library/aa908981.aspx 1367 * 1368 * Instead, a workaround is to use the Windows win32tm command to 1369 * resync the time using the Windows Time service. 1370 */ 1371 LPVOID msg_buffer; 1372 DWORD ret_flags; 1373 1374 HRESULT hr = system("w32tm /resync /nowait"); 1375 1376 if (GetLastError() != 0) { 1377 strerror_s((LPTSTR) & msg_buffer, 0, errno); 1378 error_setg(errp, "system(...) failed: %s", (LPCTSTR)msg_buffer); 1379 } else if (hr != 0) { 1380 if (hr == HRESULT_FROM_WIN32(ERROR_SERVICE_NOT_ACTIVE)) { 1381 error_setg(errp, "Windows Time service not running on the " 1382 "guest"); 1383 } else { 1384 if (!FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | 1385 FORMAT_MESSAGE_FROM_SYSTEM | 1386 FORMAT_MESSAGE_IGNORE_INSERTS, NULL, 1387 (DWORD)hr, MAKELANGID(LANG_NEUTRAL, 1388 SUBLANG_DEFAULT), (LPTSTR) & msg_buffer, 0, 1389 NULL)) { 1390 error_setg(errp, "w32tm failed with error (0x%lx), couldn'" 1391 "t retrieve error message", hr); 1392 } else { 1393 error_setg(errp, "w32tm failed with error (0x%lx): %s", hr, 1394 (LPCTSTR)msg_buffer); 1395 LocalFree(msg_buffer); 1396 } 1397 } 1398 } else if (!InternetGetConnectedState(&ret_flags, 0)) { 1399 error_setg(errp, "No internet connection on guest, sync not " 1400 "accurate"); 1401 } 1402 return; 1403 } 1404 1405 /* Validate time passed by user. */ 1406 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { 1407 error_setg(errp, "Time %" PRId64 "is invalid", time_ns); 1408 return; 1409 } 1410 1411 time = time_ns / 100 + W32_FT_OFFSET; 1412 1413 tf.dwLowDateTime = (DWORD) time; 1414 tf.dwHighDateTime = (DWORD) (time >> 32); 1415 1416 if (!FileTimeToSystemTime(&tf, &ts)) { 1417 error_setg(errp, "Failed to convert system time %d", 1418 (int)GetLastError()); 1419 return; 1420 } 1421 1422 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err); 1423 if (local_err) { 1424 error_propagate(errp, local_err); 1425 return; 1426 } 1427 1428 if (!SetSystemTime(&ts)) { 1429 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); 1430 return; 1431 } 1432 } 1433 1434 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp) 1435 { 1436 PSYSTEM_LOGICAL_PROCESSOR_INFORMATION pslpi, ptr; 1437 DWORD length; 1438 GuestLogicalProcessorList *head, **link; 1439 Error *local_err = NULL; 1440 int64_t current; 1441 1442 ptr = pslpi = NULL; 1443 length = 0; 1444 current = 0; 1445 head = NULL; 1446 link = &head; 1447 1448 if ((GetLogicalProcessorInformation(pslpi, &length) == FALSE) && 1449 (GetLastError() == ERROR_INSUFFICIENT_BUFFER) && 1450 (length > sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION))) { 1451 ptr = pslpi = g_malloc0(length); 1452 if (GetLogicalProcessorInformation(pslpi, &length) == FALSE) { 1453 error_setg(&local_err, "Failed to get processor information: %d", 1454 (int)GetLastError()); 1455 } 1456 } else { 1457 error_setg(&local_err, 1458 "Failed to get processor information buffer length: %d", 1459 (int)GetLastError()); 1460 } 1461 1462 while ((local_err == NULL) && (length > 0)) { 1463 if (pslpi->Relationship == RelationProcessorCore) { 1464 ULONG_PTR cpu_bits = pslpi->ProcessorMask; 1465 1466 while (cpu_bits > 0) { 1467 if (!!(cpu_bits & 1)) { 1468 GuestLogicalProcessor *vcpu; 1469 GuestLogicalProcessorList *entry; 1470 1471 vcpu = g_malloc0(sizeof *vcpu); 1472 vcpu->logical_id = current++; 1473 vcpu->online = true; 1474 vcpu->has_can_offline = true; 1475 1476 entry = g_malloc0(sizeof *entry); 1477 entry->value = vcpu; 1478 1479 *link = entry; 1480 link = &entry->next; 1481 } 1482 cpu_bits >>= 1; 1483 } 1484 } 1485 length -= sizeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATION); 1486 pslpi++; /* next entry */ 1487 } 1488 1489 g_free(ptr); 1490 1491 if (local_err == NULL) { 1492 if (head != NULL) { 1493 return head; 1494 } 1495 /* there's no guest with zero VCPUs */ 1496 error_setg(&local_err, "Guest reported zero VCPUs"); 1497 } 1498 1499 qapi_free_GuestLogicalProcessorList(head); 1500 error_propagate(errp, local_err); 1501 return NULL; 1502 } 1503 1504 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp) 1505 { 1506 error_setg(errp, QERR_UNSUPPORTED); 1507 return -1; 1508 } 1509 1510 static gchar * 1511 get_net_error_message(gint error) 1512 { 1513 HMODULE module = NULL; 1514 gchar *retval = NULL; 1515 wchar_t *msg = NULL; 1516 int flags; 1517 size_t nchars; 1518 1519 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER | 1520 FORMAT_MESSAGE_IGNORE_INSERTS | 1521 FORMAT_MESSAGE_FROM_SYSTEM; 1522 1523 if (error >= NERR_BASE && error <= MAX_NERR) { 1524 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE); 1525 1526 if (module != NULL) { 1527 flags |= FORMAT_MESSAGE_FROM_HMODULE; 1528 } 1529 } 1530 1531 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL); 1532 1533 if (msg != NULL) { 1534 nchars = wcslen(msg); 1535 1536 if (nchars >= 2 && 1537 msg[nchars - 1] == L'\n' && 1538 msg[nchars - 2] == L'\r') { 1539 msg[nchars - 2] = L'\0'; 1540 } 1541 1542 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL); 1543 1544 LocalFree(msg); 1545 } 1546 1547 if (module != NULL) { 1548 FreeLibrary(module); 1549 } 1550 1551 return retval; 1552 } 1553 1554 void qmp_guest_set_user_password(const char *username, 1555 const char *password, 1556 bool crypted, 1557 Error **errp) 1558 { 1559 NET_API_STATUS nas; 1560 char *rawpasswddata = NULL; 1561 size_t rawpasswdlen; 1562 wchar_t *user = NULL, *wpass = NULL; 1563 USER_INFO_1003 pi1003 = { 0, }; 1564 GError *gerr = NULL; 1565 1566 if (crypted) { 1567 error_setg(errp, QERR_UNSUPPORTED); 1568 return; 1569 } 1570 1571 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp); 1572 if (!rawpasswddata) { 1573 return; 1574 } 1575 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1); 1576 rawpasswddata[rawpasswdlen] = '\0'; 1577 1578 user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr); 1579 if (!user) { 1580 goto done; 1581 } 1582 1583 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr); 1584 if (!wpass) { 1585 goto done; 1586 } 1587 1588 pi1003.usri1003_password = wpass; 1589 nas = NetUserSetInfo(NULL, user, 1590 1003, (LPBYTE)&pi1003, 1591 NULL); 1592 1593 if (nas != NERR_Success) { 1594 gchar *msg = get_net_error_message(nas); 1595 error_setg(errp, "failed to set password: %s", msg); 1596 g_free(msg); 1597 } 1598 1599 done: 1600 if (gerr) { 1601 error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message); 1602 g_error_free(gerr); 1603 } 1604 g_free(user); 1605 g_free(wpass); 1606 g_free(rawpasswddata); 1607 } 1608 1609 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp) 1610 { 1611 error_setg(errp, QERR_UNSUPPORTED); 1612 return NULL; 1613 } 1614 1615 GuestMemoryBlockResponseList * 1616 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp) 1617 { 1618 error_setg(errp, QERR_UNSUPPORTED); 1619 return NULL; 1620 } 1621 1622 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp) 1623 { 1624 error_setg(errp, QERR_UNSUPPORTED); 1625 return NULL; 1626 } 1627 1628 /* add unsupported commands to the blacklist */ 1629 GList *ga_command_blacklist_init(GList *blacklist) 1630 { 1631 const char *list_unsupported[] = { 1632 "guest-suspend-hybrid", 1633 "guest-set-vcpus", 1634 "guest-get-memory-blocks", "guest-set-memory-blocks", 1635 "guest-get-memory-block-size", 1636 "guest-fsfreeze-freeze-list", 1637 NULL}; 1638 char **p = (char **)list_unsupported; 1639 1640 while (*p) { 1641 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1642 } 1643 1644 if (!vss_init(true)) { 1645 g_debug("vss_init failed, vss commands are going to be disabled"); 1646 const char *list[] = { 1647 "guest-get-fsinfo", "guest-fsfreeze-status", 1648 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL}; 1649 p = (char **)list; 1650 1651 while (*p) { 1652 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1653 } 1654 } 1655 1656 return blacklist; 1657 } 1658 1659 /* register init/cleanup routines for stateful command groups */ 1660 void ga_command_state_init(GAState *s, GACommandState *cs) 1661 { 1662 if (!vss_initialized()) { 1663 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup); 1664 } 1665 } 1666 1667 /* MINGW is missing two fields: IncomingFrames & OutgoingFrames */ 1668 typedef struct _GA_WTSINFOA { 1669 WTS_CONNECTSTATE_CLASS State; 1670 DWORD SessionId; 1671 DWORD IncomingBytes; 1672 DWORD OutgoingBytes; 1673 DWORD IncomingFrames; 1674 DWORD OutgoingFrames; 1675 DWORD IncomingCompressedBytes; 1676 DWORD OutgoingCompressedBy; 1677 CHAR WinStationName[WINSTATIONNAME_LENGTH]; 1678 CHAR Domain[DOMAIN_LENGTH]; 1679 CHAR UserName[USERNAME_LENGTH + 1]; 1680 LARGE_INTEGER ConnectTime; 1681 LARGE_INTEGER DisconnectTime; 1682 LARGE_INTEGER LastInputTime; 1683 LARGE_INTEGER LogonTime; 1684 LARGE_INTEGER CurrentTime; 1685 1686 } GA_WTSINFOA; 1687 1688 GuestUserList *qmp_guest_get_users(Error **err) 1689 { 1690 #if (_WIN32_WINNT >= 0x0600) 1691 #define QGA_NANOSECONDS 10000000 1692 1693 GHashTable *cache = NULL; 1694 GuestUserList *head = NULL, *cur_item = NULL; 1695 1696 DWORD buffer_size = 0, count = 0, i = 0; 1697 GA_WTSINFOA *info = NULL; 1698 WTS_SESSION_INFOA *entries = NULL; 1699 GuestUserList *item = NULL; 1700 GuestUser *user = NULL; 1701 gpointer value = NULL; 1702 INT64 login = 0; 1703 double login_time = 0; 1704 1705 cache = g_hash_table_new(g_str_hash, g_str_equal); 1706 1707 if (WTSEnumerateSessionsA(NULL, 0, 1, &entries, &count)) { 1708 for (i = 0; i < count; ++i) { 1709 buffer_size = 0; 1710 info = NULL; 1711 if (WTSQuerySessionInformationA( 1712 NULL, 1713 entries[i].SessionId, 1714 WTSSessionInfo, 1715 (LPSTR *)&info, 1716 &buffer_size 1717 )) { 1718 1719 if (strlen(info->UserName) == 0) { 1720 WTSFreeMemory(info); 1721 continue; 1722 } 1723 1724 login = info->LogonTime.QuadPart; 1725 login -= W32_FT_OFFSET; 1726 login_time = ((double)login) / QGA_NANOSECONDS; 1727 1728 if (g_hash_table_contains(cache, info->UserName)) { 1729 value = g_hash_table_lookup(cache, info->UserName); 1730 user = (GuestUser *)value; 1731 if (user->login_time > login_time) { 1732 user->login_time = login_time; 1733 } 1734 } else { 1735 item = g_new0(GuestUserList, 1); 1736 item->value = g_new0(GuestUser, 1); 1737 1738 item->value->user = g_strdup(info->UserName); 1739 item->value->domain = g_strdup(info->Domain); 1740 item->value->has_domain = true; 1741 1742 item->value->login_time = login_time; 1743 1744 g_hash_table_add(cache, item->value->user); 1745 1746 if (!cur_item) { 1747 head = cur_item = item; 1748 } else { 1749 cur_item->next = item; 1750 cur_item = item; 1751 } 1752 } 1753 } 1754 WTSFreeMemory(info); 1755 } 1756 WTSFreeMemory(entries); 1757 } 1758 g_hash_table_destroy(cache); 1759 return head; 1760 #else 1761 error_setg(err, QERR_UNSUPPORTED); 1762 return NULL; 1763 #endif 1764 } 1765 1766 typedef struct _ga_matrix_lookup_t { 1767 int major; 1768 int minor; 1769 char const *version; 1770 char const *version_id; 1771 } ga_matrix_lookup_t; 1772 1773 static ga_matrix_lookup_t const WIN_VERSION_MATRIX[2][8] = { 1774 { 1775 /* Desktop editions */ 1776 { 5, 0, "Microsoft Windows 2000", "2000"}, 1777 { 5, 1, "Microsoft Windows XP", "xp"}, 1778 { 6, 0, "Microsoft Windows Vista", "vista"}, 1779 { 6, 1, "Microsoft Windows 7" "7"}, 1780 { 6, 2, "Microsoft Windows 8", "8"}, 1781 { 6, 3, "Microsoft Windows 8.1", "8.1"}, 1782 {10, 0, "Microsoft Windows 10", "10"}, 1783 { 0, 0, 0} 1784 },{ 1785 /* Server editions */ 1786 { 5, 2, "Microsoft Windows Server 2003", "2003"}, 1787 { 6, 0, "Microsoft Windows Server 2008", "2008"}, 1788 { 6, 1, "Microsoft Windows Server 2008 R2", "2008r2"}, 1789 { 6, 2, "Microsoft Windows Server 2012", "2012"}, 1790 { 6, 3, "Microsoft Windows Server 2012 R2", "2012r2"}, 1791 {10, 0, "Microsoft Windows Server 2016", "2016"}, 1792 { 0, 0, 0}, 1793 { 0, 0, 0} 1794 } 1795 }; 1796 1797 static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp) 1798 { 1799 typedef NTSTATUS(WINAPI * rtl_get_version_t)( 1800 RTL_OSVERSIONINFOEXW *os_version_info_ex); 1801 1802 info->dwOSVersionInfoSize = sizeof(RTL_OSVERSIONINFOEXW); 1803 1804 HMODULE module = GetModuleHandle("ntdll"); 1805 PVOID fun = GetProcAddress(module, "RtlGetVersion"); 1806 if (fun == NULL) { 1807 error_setg(errp, QERR_QGA_COMMAND_FAILED, 1808 "Failed to get address of RtlGetVersion"); 1809 return; 1810 } 1811 1812 rtl_get_version_t rtl_get_version = (rtl_get_version_t)fun; 1813 rtl_get_version(info); 1814 return; 1815 } 1816 1817 static char *ga_get_win_name(OSVERSIONINFOEXW const *os_version, bool id) 1818 { 1819 DWORD major = os_version->dwMajorVersion; 1820 DWORD minor = os_version->dwMinorVersion; 1821 int tbl_idx = (os_version->wProductType != VER_NT_WORKSTATION); 1822 ga_matrix_lookup_t const *table = WIN_VERSION_MATRIX[tbl_idx]; 1823 while (table->version != NULL) { 1824 if (major == table->major && minor == table->minor) { 1825 if (id) { 1826 return g_strdup(table->version_id); 1827 } else { 1828 return g_strdup(table->version); 1829 } 1830 } 1831 ++table; 1832 } 1833 slog("failed to lookup Windows version: major=%lu, minor=%lu", 1834 major, minor); 1835 return g_strdup("N/A"); 1836 } 1837 1838 static char *ga_get_win_product_name(Error **errp) 1839 { 1840 HKEY key = NULL; 1841 DWORD size = 128; 1842 char *result = g_malloc0(size); 1843 LONG err = ERROR_SUCCESS; 1844 1845 err = RegOpenKeyA(HKEY_LOCAL_MACHINE, 1846 "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", 1847 &key); 1848 if (err != ERROR_SUCCESS) { 1849 error_setg_win32(errp, err, "failed to open registry key"); 1850 goto fail; 1851 } 1852 1853 err = RegQueryValueExA(key, "ProductName", NULL, NULL, 1854 (LPBYTE)result, &size); 1855 if (err == ERROR_MORE_DATA) { 1856 slog("ProductName longer than expected (%lu bytes), retrying", 1857 size); 1858 g_free(result); 1859 result = NULL; 1860 if (size > 0) { 1861 result = g_malloc0(size); 1862 err = RegQueryValueExA(key, "ProductName", NULL, NULL, 1863 (LPBYTE)result, &size); 1864 } 1865 } 1866 if (err != ERROR_SUCCESS) { 1867 error_setg_win32(errp, err, "failed to retrive ProductName"); 1868 goto fail; 1869 } 1870 1871 return result; 1872 1873 fail: 1874 g_free(result); 1875 return NULL; 1876 } 1877 1878 static char *ga_get_current_arch(void) 1879 { 1880 SYSTEM_INFO info; 1881 GetNativeSystemInfo(&info); 1882 char *result = NULL; 1883 switch (info.wProcessorArchitecture) { 1884 case PROCESSOR_ARCHITECTURE_AMD64: 1885 result = g_strdup("x86_64"); 1886 break; 1887 case PROCESSOR_ARCHITECTURE_ARM: 1888 result = g_strdup("arm"); 1889 break; 1890 case PROCESSOR_ARCHITECTURE_IA64: 1891 result = g_strdup("ia64"); 1892 break; 1893 case PROCESSOR_ARCHITECTURE_INTEL: 1894 result = g_strdup("x86"); 1895 break; 1896 case PROCESSOR_ARCHITECTURE_UNKNOWN: 1897 default: 1898 slog("unknown processor architecture 0x%0x", 1899 info.wProcessorArchitecture); 1900 result = g_strdup("unknown"); 1901 break; 1902 } 1903 return result; 1904 } 1905 1906 GuestOSInfo *qmp_guest_get_osinfo(Error **errp) 1907 { 1908 Error *local_err = NULL; 1909 OSVERSIONINFOEXW os_version = {0}; 1910 bool server; 1911 char *product_name; 1912 GuestOSInfo *info; 1913 1914 ga_get_win_version(&os_version, &local_err); 1915 if (local_err) { 1916 error_propagate(errp, local_err); 1917 return NULL; 1918 } 1919 1920 server = os_version.wProductType != VER_NT_WORKSTATION; 1921 product_name = ga_get_win_product_name(&local_err); 1922 if (product_name == NULL) { 1923 error_propagate(errp, local_err); 1924 return NULL; 1925 } 1926 1927 info = g_new0(GuestOSInfo, 1); 1928 1929 info->has_kernel_version = true; 1930 info->kernel_version = g_strdup_printf("%lu.%lu", 1931 os_version.dwMajorVersion, 1932 os_version.dwMinorVersion); 1933 info->has_kernel_release = true; 1934 info->kernel_release = g_strdup_printf("%lu", 1935 os_version.dwBuildNumber); 1936 info->has_machine = true; 1937 info->machine = ga_get_current_arch(); 1938 1939 info->has_id = true; 1940 info->id = g_strdup("mswindows"); 1941 info->has_name = true; 1942 info->name = g_strdup("Microsoft Windows"); 1943 info->has_pretty_name = true; 1944 info->pretty_name = product_name; 1945 info->has_version = true; 1946 info->version = ga_get_win_name(&os_version, false); 1947 info->has_version_id = true; 1948 info->version_id = ga_get_win_name(&os_version, true); 1949 info->has_variant = true; 1950 info->variant = g_strdup(server ? "server" : "client"); 1951 info->has_variant_id = true; 1952 info->variant_id = g_strdup(server ? "server" : "client"); 1953 1954 return info; 1955 } 1956