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