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 #include "qemu/osdep.h" 15 #include <glib.h> 16 #include <wtypes.h> 17 #include <powrprof.h> 18 #include <winsock2.h> 19 #include <ws2tcpip.h> 20 #include <iptypes.h> 21 #include <iphlpapi.h> 22 #ifdef CONFIG_QGA_NTDDSCSI 23 #include <winioctl.h> 24 #include <ntddscsi.h> 25 #include <setupapi.h> 26 #include <initguid.h> 27 #endif 28 #include <lm.h> 29 30 #include "qga/guest-agent-core.h" 31 #include "qga/vss-win32.h" 32 #include "qga-qmp-commands.h" 33 #include "qapi/qmp/qerror.h" 34 #include "qemu/queue.h" 35 #include "qemu/host-utils.h" 36 #include "qemu/base64.h" 37 38 #ifndef SHTDN_REASON_FLAG_PLANNED 39 #define SHTDN_REASON_FLAG_PLANNED 0x80000000 40 #endif 41 42 /* multiple of 100 nanoseconds elapsed between windows baseline 43 * (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */ 44 #define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \ 45 (365 * (1970 - 1601) + \ 46 (1970 - 1601) / 4 - 3)) 47 48 #define INVALID_SET_FILE_POINTER ((DWORD)-1) 49 50 typedef struct GuestFileHandle { 51 int64_t id; 52 HANDLE fh; 53 QTAILQ_ENTRY(GuestFileHandle) next; 54 } GuestFileHandle; 55 56 static struct { 57 QTAILQ_HEAD(, GuestFileHandle) filehandles; 58 } guest_file_state = { 59 .filehandles = QTAILQ_HEAD_INITIALIZER(guest_file_state.filehandles), 60 }; 61 62 #define FILE_GENERIC_APPEND (FILE_GENERIC_WRITE & ~FILE_WRITE_DATA) 63 64 typedef struct OpenFlags { 65 const char *forms; 66 DWORD desired_access; 67 DWORD creation_disposition; 68 } OpenFlags; 69 static OpenFlags guest_file_open_modes[] = { 70 {"r", GENERIC_READ, OPEN_EXISTING}, 71 {"rb", GENERIC_READ, OPEN_EXISTING}, 72 {"w", GENERIC_WRITE, CREATE_ALWAYS}, 73 {"wb", GENERIC_WRITE, CREATE_ALWAYS}, 74 {"a", FILE_GENERIC_APPEND, OPEN_ALWAYS }, 75 {"r+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 76 {"rb+", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 77 {"r+b", GENERIC_WRITE|GENERIC_READ, OPEN_EXISTING}, 78 {"w+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 79 {"wb+", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 80 {"w+b", GENERIC_WRITE|GENERIC_READ, CREATE_ALWAYS}, 81 {"a+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }, 82 {"ab+", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS }, 83 {"a+b", FILE_GENERIC_APPEND|GENERIC_READ, OPEN_ALWAYS } 84 }; 85 86 static OpenFlags *find_open_flag(const char *mode_str) 87 { 88 int mode; 89 Error **errp = NULL; 90 91 for (mode = 0; mode < ARRAY_SIZE(guest_file_open_modes); ++mode) { 92 OpenFlags *flags = guest_file_open_modes + mode; 93 94 if (strcmp(flags->forms, mode_str) == 0) { 95 return flags; 96 } 97 } 98 99 error_setg(errp, "invalid file open mode '%s'", mode_str); 100 return NULL; 101 } 102 103 static int64_t guest_file_handle_add(HANDLE fh, Error **errp) 104 { 105 GuestFileHandle *gfh; 106 int64_t handle; 107 108 handle = ga_get_fd_handle(ga_state, errp); 109 if (handle < 0) { 110 return -1; 111 } 112 gfh = g_new0(GuestFileHandle, 1); 113 gfh->id = handle; 114 gfh->fh = fh; 115 QTAILQ_INSERT_TAIL(&guest_file_state.filehandles, gfh, next); 116 117 return handle; 118 } 119 120 static GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp) 121 { 122 GuestFileHandle *gfh; 123 QTAILQ_FOREACH(gfh, &guest_file_state.filehandles, next) { 124 if (gfh->id == id) { 125 return gfh; 126 } 127 } 128 error_setg(errp, "handle '%" PRId64 "' has not been found", id); 129 return NULL; 130 } 131 132 static void handle_set_nonblocking(HANDLE fh) 133 { 134 DWORD file_type, pipe_state; 135 file_type = GetFileType(fh); 136 if (file_type != FILE_TYPE_PIPE) { 137 return; 138 } 139 /* If file_type == FILE_TYPE_PIPE, according to MSDN 140 * the specified file is socket or named pipe */ 141 if (!GetNamedPipeHandleState(fh, &pipe_state, NULL, 142 NULL, NULL, NULL, 0)) { 143 return; 144 } 145 /* The fd is named pipe fd */ 146 if (pipe_state & PIPE_NOWAIT) { 147 return; 148 } 149 150 pipe_state |= PIPE_NOWAIT; 151 SetNamedPipeHandleState(fh, &pipe_state, NULL, NULL); 152 } 153 154 int64_t qmp_guest_file_open(const char *path, bool has_mode, 155 const char *mode, Error **errp) 156 { 157 int64_t fd; 158 HANDLE fh; 159 HANDLE templ_file = NULL; 160 DWORD share_mode = FILE_SHARE_READ; 161 DWORD flags_and_attr = FILE_ATTRIBUTE_NORMAL; 162 LPSECURITY_ATTRIBUTES sa_attr = NULL; 163 OpenFlags *guest_flags; 164 165 if (!has_mode) { 166 mode = "r"; 167 } 168 slog("guest-file-open called, filepath: %s, mode: %s", path, mode); 169 guest_flags = find_open_flag(mode); 170 if (guest_flags == NULL) { 171 error_setg(errp, "invalid file open mode"); 172 return -1; 173 } 174 175 fh = CreateFile(path, guest_flags->desired_access, share_mode, sa_attr, 176 guest_flags->creation_disposition, flags_and_attr, 177 templ_file); 178 if (fh == INVALID_HANDLE_VALUE) { 179 error_setg_win32(errp, GetLastError(), "failed to open file '%s'", 180 path); 181 return -1; 182 } 183 184 /* set fd non-blocking to avoid common use cases (like reading from a 185 * named pipe) from hanging the agent 186 */ 187 handle_set_nonblocking(fh); 188 189 fd = guest_file_handle_add(fh, errp); 190 if (fd < 0) { 191 CloseHandle(fh); 192 error_setg(errp, "failed to add handle to qmp handle table"); 193 return -1; 194 } 195 196 slog("guest-file-open, handle: % " PRId64, fd); 197 return fd; 198 } 199 200 void qmp_guest_file_close(int64_t handle, Error **errp) 201 { 202 bool ret; 203 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 204 slog("guest-file-close called, handle: %" PRId64, handle); 205 if (gfh == NULL) { 206 return; 207 } 208 ret = CloseHandle(gfh->fh); 209 if (!ret) { 210 error_setg_win32(errp, GetLastError(), "failed close handle"); 211 return; 212 } 213 214 QTAILQ_REMOVE(&guest_file_state.filehandles, gfh, next); 215 g_free(gfh); 216 } 217 218 static void acquire_privilege(const char *name, Error **errp) 219 { 220 HANDLE token = NULL; 221 TOKEN_PRIVILEGES priv; 222 Error *local_err = NULL; 223 224 if (OpenProcessToken(GetCurrentProcess(), 225 TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token)) 226 { 227 if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) { 228 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 229 "no luid for requested privilege"); 230 goto out; 231 } 232 233 priv.PrivilegeCount = 1; 234 priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; 235 236 if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) { 237 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 238 "unable to acquire requested privilege"); 239 goto out; 240 } 241 242 } else { 243 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 244 "failed to open privilege token"); 245 } 246 247 out: 248 if (token) { 249 CloseHandle(token); 250 } 251 if (local_err) { 252 error_propagate(errp, local_err); 253 } 254 } 255 256 static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque, 257 Error **errp) 258 { 259 Error *local_err = NULL; 260 261 HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL); 262 if (!thread) { 263 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 264 "failed to dispatch asynchronous command"); 265 error_propagate(errp, local_err); 266 } 267 } 268 269 void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp) 270 { 271 Error *local_err = NULL; 272 UINT shutdown_flag = EWX_FORCE; 273 274 slog("guest-shutdown called, mode: %s", mode); 275 276 if (!has_mode || strcmp(mode, "powerdown") == 0) { 277 shutdown_flag |= EWX_POWEROFF; 278 } else if (strcmp(mode, "halt") == 0) { 279 shutdown_flag |= EWX_SHUTDOWN; 280 } else if (strcmp(mode, "reboot") == 0) { 281 shutdown_flag |= EWX_REBOOT; 282 } else { 283 error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "mode", 284 "halt|powerdown|reboot"); 285 return; 286 } 287 288 /* Request a shutdown privilege, but try to shut down the system 289 anyway. */ 290 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 291 if (local_err) { 292 error_propagate(errp, local_err); 293 return; 294 } 295 296 if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) { 297 slog("guest-shutdown failed: %lu", GetLastError()); 298 error_setg(errp, QERR_UNDEFINED_ERROR); 299 } 300 } 301 302 GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count, 303 int64_t count, Error **errp) 304 { 305 GuestFileRead *read_data = NULL; 306 guchar *buf; 307 HANDLE fh; 308 bool is_ok; 309 DWORD read_count; 310 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 311 312 if (!gfh) { 313 return NULL; 314 } 315 if (!has_count) { 316 count = QGA_READ_COUNT_DEFAULT; 317 } else if (count < 0) { 318 error_setg(errp, "value '%" PRId64 319 "' is invalid for argument count", count); 320 return NULL; 321 } 322 323 fh = gfh->fh; 324 buf = g_malloc0(count+1); 325 is_ok = ReadFile(fh, buf, count, &read_count, NULL); 326 if (!is_ok) { 327 error_setg_win32(errp, GetLastError(), "failed to read file"); 328 slog("guest-file-read failed, handle %" PRId64, handle); 329 } else { 330 buf[read_count] = 0; 331 read_data = g_new0(GuestFileRead, 1); 332 read_data->count = (size_t)read_count; 333 read_data->eof = read_count == 0; 334 335 if (read_count != 0) { 336 read_data->buf_b64 = g_base64_encode(buf, read_count); 337 } 338 } 339 g_free(buf); 340 341 return read_data; 342 } 343 344 GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64, 345 bool has_count, int64_t count, 346 Error **errp) 347 { 348 GuestFileWrite *write_data = NULL; 349 guchar *buf; 350 gsize buf_len; 351 bool is_ok; 352 DWORD write_count; 353 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 354 HANDLE fh; 355 356 if (!gfh) { 357 return NULL; 358 } 359 fh = gfh->fh; 360 buf = qbase64_decode(buf_b64, -1, &buf_len, errp); 361 if (!buf) { 362 return NULL; 363 } 364 365 if (!has_count) { 366 count = buf_len; 367 } else if (count < 0 || count > buf_len) { 368 error_setg(errp, "value '%" PRId64 369 "' is invalid for argument count", count); 370 goto done; 371 } 372 373 is_ok = WriteFile(fh, buf, count, &write_count, NULL); 374 if (!is_ok) { 375 error_setg_win32(errp, GetLastError(), "failed to write to file"); 376 slog("guest-file-write-failed, handle: %" PRId64, handle); 377 } else { 378 write_data = g_new0(GuestFileWrite, 1); 379 write_data->count = (size_t) write_count; 380 } 381 382 done: 383 g_free(buf); 384 return write_data; 385 } 386 387 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset, 388 int64_t whence_code, Error **errp) 389 { 390 GuestFileHandle *gfh; 391 GuestFileSeek *seek_data; 392 HANDLE fh; 393 LARGE_INTEGER new_pos, off_pos; 394 off_pos.QuadPart = offset; 395 BOOL res; 396 int whence; 397 398 gfh = guest_file_handle_find(handle, errp); 399 if (!gfh) { 400 return NULL; 401 } 402 403 /* We stupidly exposed 'whence':'int' in our qapi */ 404 switch (whence_code) { 405 case QGA_SEEK_SET: 406 whence = SEEK_SET; 407 break; 408 case QGA_SEEK_CUR: 409 whence = SEEK_CUR; 410 break; 411 case QGA_SEEK_END: 412 whence = SEEK_END; 413 break; 414 default: 415 error_setg(errp, "invalid whence code %"PRId64, whence_code); 416 return NULL; 417 } 418 419 fh = gfh->fh; 420 res = SetFilePointerEx(fh, off_pos, &new_pos, whence); 421 if (!res) { 422 error_setg_win32(errp, GetLastError(), "failed to seek file"); 423 return NULL; 424 } 425 seek_data = g_new0(GuestFileSeek, 1); 426 seek_data->position = new_pos.QuadPart; 427 return seek_data; 428 } 429 430 void qmp_guest_file_flush(int64_t handle, Error **errp) 431 { 432 HANDLE fh; 433 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 434 if (!gfh) { 435 return; 436 } 437 438 fh = gfh->fh; 439 if (!FlushFileBuffers(fh)) { 440 error_setg_win32(errp, GetLastError(), "failed to flush file"); 441 } 442 } 443 444 #ifdef CONFIG_QGA_NTDDSCSI 445 446 static STORAGE_BUS_TYPE win2qemu[] = { 447 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN, 448 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI, 449 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE, 450 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE, 451 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394, 452 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA, 453 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA, 454 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB, 455 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID, 456 #if (_WIN32_WINNT >= 0x0600) 457 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI, 458 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS, 459 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA, 460 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD, 461 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC, 462 #endif 463 #if (_WIN32_WINNT >= 0x0601) 464 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL, 465 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL, 466 #endif 467 }; 468 469 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus) 470 { 471 if (bus > ARRAY_SIZE(win2qemu) || (int)bus < 0) { 472 return GUEST_DISK_BUS_TYPE_UNKNOWN; 473 } 474 return win2qemu[(int)bus]; 475 } 476 477 DEFINE_GUID(GUID_DEVINTERFACE_VOLUME, 478 0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2, 479 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); 480 481 static GuestPCIAddress *get_pci_info(char *guid, Error **errp) 482 { 483 HDEVINFO dev_info; 484 SP_DEVINFO_DATA dev_info_data; 485 DWORD size = 0; 486 int i; 487 char dev_name[MAX_PATH]; 488 char *buffer = NULL; 489 GuestPCIAddress *pci = NULL; 490 char *name = g_strdup(&guid[4]); 491 492 if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) { 493 error_setg_win32(errp, GetLastError(), "failed to get dos device name"); 494 goto out; 495 } 496 497 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_VOLUME, 0, 0, 498 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); 499 if (dev_info == INVALID_HANDLE_VALUE) { 500 error_setg_win32(errp, GetLastError(), "failed to get devices tree"); 501 goto out; 502 } 503 504 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); 505 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) { 506 DWORD addr, bus, slot, func, dev, data, size2; 507 while (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 508 SPDRP_PHYSICAL_DEVICE_OBJECT_NAME, 509 &data, (PBYTE)buffer, size, 510 &size2)) { 511 size = MAX(size, size2); 512 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { 513 g_free(buffer); 514 /* Double the size to avoid problems on 515 * W2k MBCS systems per KB 888609. 516 * https://support.microsoft.com/en-us/kb/259695 */ 517 buffer = g_malloc(size * 2); 518 } else { 519 error_setg_win32(errp, GetLastError(), 520 "failed to get device name"); 521 goto out; 522 } 523 } 524 525 if (g_strcmp0(buffer, dev_name)) { 526 continue; 527 } 528 529 /* There is no need to allocate buffer in the next functions. The size 530 * is known and ULONG according to 531 * https://support.microsoft.com/en-us/kb/253232 532 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx 533 */ 534 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 535 SPDRP_BUSNUMBER, &data, (PBYTE)&bus, size, NULL)) { 536 break; 537 } 538 539 /* The function retrieves the device's address. This value will be 540 * transformed into device function and number */ 541 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 542 SPDRP_ADDRESS, &data, (PBYTE)&addr, size, NULL)) { 543 break; 544 } 545 546 /* This call returns UINumber of DEVICE_CAPABILITIES structure. 547 * This number is typically a user-perceived slot number. */ 548 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 549 SPDRP_UI_NUMBER, &data, (PBYTE)&slot, size, NULL)) { 550 break; 551 } 552 553 /* SetupApi gives us the same information as driver with 554 * IoGetDeviceProperty. According to Microsoft 555 * https://support.microsoft.com/en-us/kb/253232 556 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF); 557 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF); 558 * SPDRP_ADDRESS is propertyAddress, so we do the same.*/ 559 560 func = addr & 0x0000FFFF; 561 dev = (addr >> 16) & 0x0000FFFF; 562 pci = g_malloc0(sizeof(*pci)); 563 pci->domain = dev; 564 pci->slot = slot; 565 pci->function = func; 566 pci->bus = bus; 567 break; 568 } 569 out: 570 g_free(buffer); 571 g_free(name); 572 return pci; 573 } 574 575 static int get_disk_bus_type(HANDLE vol_h, Error **errp) 576 { 577 STORAGE_PROPERTY_QUERY query; 578 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf; 579 DWORD received; 580 581 dev_desc = &buf; 582 dev_desc->Size = sizeof(buf); 583 query.PropertyId = StorageDeviceProperty; 584 query.QueryType = PropertyStandardQuery; 585 586 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query, 587 sizeof(STORAGE_PROPERTY_QUERY), dev_desc, 588 dev_desc->Size, &received, NULL)) { 589 error_setg_win32(errp, GetLastError(), "failed to get bus type"); 590 return -1; 591 } 592 593 return dev_desc->BusType; 594 } 595 596 /* VSS provider works with volumes, thus there is no difference if 597 * the volume consist of spanned disks. Info about the first disk in the 598 * volume is returned for the spanned disk group (LVM) */ 599 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 600 { 601 GuestDiskAddressList *list = NULL; 602 GuestDiskAddress *disk; 603 SCSI_ADDRESS addr, *scsi_ad; 604 DWORD len; 605 int bus; 606 HANDLE vol_h; 607 608 scsi_ad = &addr; 609 char *name = g_strndup(guid, strlen(guid)-1); 610 611 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 612 0, NULL); 613 if (vol_h == INVALID_HANDLE_VALUE) { 614 error_setg_win32(errp, GetLastError(), "failed to open volume"); 615 goto out_free; 616 } 617 618 bus = get_disk_bus_type(vol_h, errp); 619 if (bus < 0) { 620 goto out_close; 621 } 622 623 disk = g_malloc0(sizeof(*disk)); 624 disk->bus_type = find_bus_type(bus); 625 if (bus == BusTypeScsi || bus == BusTypeAta || bus == BusTypeRAID 626 #if (_WIN32_WINNT >= 0x0600) 627 /* This bus type is not supported before Windows Server 2003 SP1 */ 628 || bus == BusTypeSas 629 #endif 630 ) { 631 /* We are able to use the same ioctls for different bus types 632 * according to Microsoft docs 633 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */ 634 if (DeviceIoControl(vol_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad, 635 sizeof(SCSI_ADDRESS), &len, NULL)) { 636 disk->unit = addr.Lun; 637 disk->target = addr.TargetId; 638 disk->bus = addr.PathId; 639 disk->pci_controller = get_pci_info(name, errp); 640 } 641 /* We do not set error in this case, because we still have enough 642 * information about volume. */ 643 } else { 644 disk->pci_controller = NULL; 645 } 646 647 list = g_malloc0(sizeof(*list)); 648 list->value = disk; 649 list->next = NULL; 650 out_close: 651 CloseHandle(vol_h); 652 out_free: 653 g_free(name); 654 return list; 655 } 656 657 #else 658 659 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 660 { 661 return NULL; 662 } 663 664 #endif /* CONFIG_QGA_NTDDSCSI */ 665 666 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp) 667 { 668 DWORD info_size; 669 char mnt, *mnt_point; 670 char fs_name[32]; 671 char vol_info[MAX_PATH+1]; 672 size_t len; 673 GuestFilesystemInfo *fs = NULL; 674 675 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size); 676 if (GetLastError() != ERROR_MORE_DATA) { 677 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 678 return NULL; 679 } 680 681 mnt_point = g_malloc(info_size + 1); 682 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size, 683 &info_size)) { 684 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 685 goto free; 686 } 687 688 len = strlen(mnt_point); 689 mnt_point[len] = '\\'; 690 mnt_point[len+1] = 0; 691 if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL, 692 NULL, (LPSTR)&fs_name, sizeof(fs_name))) { 693 if (GetLastError() != ERROR_NOT_READY) { 694 error_setg_win32(errp, GetLastError(), "failed to get volume info"); 695 } 696 goto free; 697 } 698 699 fs_name[sizeof(fs_name) - 1] = 0; 700 fs = g_malloc(sizeof(*fs)); 701 fs->name = g_strdup(guid); 702 if (len == 0) { 703 fs->mountpoint = g_strdup("System Reserved"); 704 } else { 705 fs->mountpoint = g_strndup(mnt_point, len); 706 } 707 fs->type = g_strdup(fs_name); 708 fs->disk = build_guest_disk_info(guid, errp); 709 free: 710 g_free(mnt_point); 711 return fs; 712 } 713 714 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp) 715 { 716 HANDLE vol_h; 717 GuestFilesystemInfoList *new, *ret = NULL; 718 char guid[256]; 719 720 vol_h = FindFirstVolume(guid, sizeof(guid)); 721 if (vol_h == INVALID_HANDLE_VALUE) { 722 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 723 return NULL; 724 } 725 726 do { 727 GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp); 728 if (info == NULL) { 729 continue; 730 } 731 new = g_malloc(sizeof(*ret)); 732 new->value = info; 733 new->next = ret; 734 ret = new; 735 } while (FindNextVolume(vol_h, guid, sizeof(guid))); 736 737 if (GetLastError() != ERROR_NO_MORE_FILES) { 738 error_setg_win32(errp, GetLastError(), "failed to find next volume"); 739 } 740 741 FindVolumeClose(vol_h); 742 return ret; 743 } 744 745 /* 746 * Return status of freeze/thaw 747 */ 748 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp) 749 { 750 if (!vss_initialized()) { 751 error_setg(errp, QERR_UNSUPPORTED); 752 return 0; 753 } 754 755 if (ga_is_frozen(ga_state)) { 756 return GUEST_FSFREEZE_STATUS_FROZEN; 757 } 758 759 return GUEST_FSFREEZE_STATUS_THAWED; 760 } 761 762 /* 763 * Freeze local file systems using Volume Shadow-copy Service. 764 * The frozen state is limited for up to 10 seconds by VSS. 765 */ 766 int64_t qmp_guest_fsfreeze_freeze(Error **errp) 767 { 768 int i; 769 Error *local_err = NULL; 770 771 if (!vss_initialized()) { 772 error_setg(errp, QERR_UNSUPPORTED); 773 return 0; 774 } 775 776 slog("guest-fsfreeze called"); 777 778 /* cannot risk guest agent blocking itself on a write in this state */ 779 ga_set_frozen(ga_state); 780 781 qga_vss_fsfreeze(&i, &local_err, true); 782 if (local_err) { 783 error_propagate(errp, local_err); 784 goto error; 785 } 786 787 return i; 788 789 error: 790 local_err = NULL; 791 qmp_guest_fsfreeze_thaw(&local_err); 792 if (local_err) { 793 g_debug("cleanup thaw: %s", error_get_pretty(local_err)); 794 error_free(local_err); 795 } 796 return 0; 797 } 798 799 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, 800 strList *mountpoints, 801 Error **errp) 802 { 803 error_setg(errp, QERR_UNSUPPORTED); 804 805 return 0; 806 } 807 808 /* 809 * Thaw local file systems using Volume Shadow-copy Service. 810 */ 811 int64_t qmp_guest_fsfreeze_thaw(Error **errp) 812 { 813 int i; 814 815 if (!vss_initialized()) { 816 error_setg(errp, QERR_UNSUPPORTED); 817 return 0; 818 } 819 820 qga_vss_fsfreeze(&i, errp, false); 821 822 ga_unset_frozen(ga_state); 823 return i; 824 } 825 826 static void guest_fsfreeze_cleanup(void) 827 { 828 Error *err = NULL; 829 830 if (!vss_initialized()) { 831 return; 832 } 833 834 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) { 835 qmp_guest_fsfreeze_thaw(&err); 836 if (err) { 837 slog("failed to clean up frozen filesystems: %s", 838 error_get_pretty(err)); 839 error_free(err); 840 } 841 } 842 843 vss_deinit(true); 844 } 845 846 /* 847 * Walk list of mounted file systems in the guest, and discard unused 848 * areas. 849 */ 850 GuestFilesystemTrimResponse * 851 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) 852 { 853 error_setg(errp, QERR_UNSUPPORTED); 854 return NULL; 855 } 856 857 typedef enum { 858 GUEST_SUSPEND_MODE_DISK, 859 GUEST_SUSPEND_MODE_RAM 860 } GuestSuspendMode; 861 862 static void check_suspend_mode(GuestSuspendMode mode, Error **errp) 863 { 864 SYSTEM_POWER_CAPABILITIES sys_pwr_caps; 865 Error *local_err = NULL; 866 867 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps)); 868 if (!GetPwrCapabilities(&sys_pwr_caps)) { 869 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 870 "failed to determine guest suspend capabilities"); 871 goto out; 872 } 873 874 switch (mode) { 875 case GUEST_SUSPEND_MODE_DISK: 876 if (!sys_pwr_caps.SystemS4) { 877 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 878 "suspend-to-disk not supported by OS"); 879 } 880 break; 881 case GUEST_SUSPEND_MODE_RAM: 882 if (!sys_pwr_caps.SystemS3) { 883 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 884 "suspend-to-ram not supported by OS"); 885 } 886 break; 887 default: 888 error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode", 889 "GuestSuspendMode"); 890 } 891 892 out: 893 if (local_err) { 894 error_propagate(errp, local_err); 895 } 896 } 897 898 static DWORD WINAPI do_suspend(LPVOID opaque) 899 { 900 GuestSuspendMode *mode = opaque; 901 DWORD ret = 0; 902 903 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) { 904 slog("failed to suspend guest, %lu", GetLastError()); 905 ret = -1; 906 } 907 g_free(mode); 908 return ret; 909 } 910 911 void qmp_guest_suspend_disk(Error **errp) 912 { 913 Error *local_err = NULL; 914 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 915 916 *mode = GUEST_SUSPEND_MODE_DISK; 917 check_suspend_mode(*mode, &local_err); 918 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 919 execute_async(do_suspend, mode, &local_err); 920 921 if (local_err) { 922 error_propagate(errp, local_err); 923 g_free(mode); 924 } 925 } 926 927 void qmp_guest_suspend_ram(Error **errp) 928 { 929 Error *local_err = NULL; 930 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 931 932 *mode = GUEST_SUSPEND_MODE_RAM; 933 check_suspend_mode(*mode, &local_err); 934 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 935 execute_async(do_suspend, mode, &local_err); 936 937 if (local_err) { 938 error_propagate(errp, local_err); 939 g_free(mode); 940 } 941 } 942 943 void qmp_guest_suspend_hybrid(Error **errp) 944 { 945 error_setg(errp, QERR_UNSUPPORTED); 946 } 947 948 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp) 949 { 950 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL; 951 ULONG adptr_addrs_len = 0; 952 DWORD ret; 953 954 /* Call the first time to get the adptr_addrs_len. */ 955 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 956 NULL, adptr_addrs, &adptr_addrs_len); 957 958 adptr_addrs = g_malloc(adptr_addrs_len); 959 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 960 NULL, adptr_addrs, &adptr_addrs_len); 961 if (ret != ERROR_SUCCESS) { 962 error_setg_win32(errp, ret, "failed to get adapters addresses"); 963 g_free(adptr_addrs); 964 adptr_addrs = NULL; 965 } 966 return adptr_addrs; 967 } 968 969 static char *guest_wctomb_dup(WCHAR *wstr) 970 { 971 char *str; 972 size_t i; 973 974 i = wcslen(wstr) + 1; 975 str = g_malloc(i); 976 WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, 977 wstr, -1, str, i, NULL, NULL); 978 return str; 979 } 980 981 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr, 982 Error **errp) 983 { 984 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN]; 985 DWORD len; 986 int ret; 987 988 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET || 989 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 990 len = sizeof(addr_str); 991 ret = WSAAddressToString(ip_addr->Address.lpSockaddr, 992 ip_addr->Address.iSockaddrLength, 993 NULL, 994 addr_str, 995 &len); 996 if (ret != 0) { 997 error_setg_win32(errp, WSAGetLastError(), 998 "failed address presentation form conversion"); 999 return NULL; 1000 } 1001 return g_strdup(addr_str); 1002 } 1003 return NULL; 1004 } 1005 1006 #if (_WIN32_WINNT >= 0x0600) 1007 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1008 { 1009 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength 1010 * field to obtain the prefix. 1011 */ 1012 return ip_addr->OnLinkPrefixLength; 1013 } 1014 #else 1015 /* When using the Windows XP and 2003 build environment, do the best we can to 1016 * figure out the prefix. 1017 */ 1018 static IP_ADAPTER_INFO *guest_get_adapters_info(void) 1019 { 1020 IP_ADAPTER_INFO *adptr_info = NULL; 1021 ULONG adptr_info_len = 0; 1022 DWORD ret; 1023 1024 /* Call the first time to get the adptr_info_len. */ 1025 GetAdaptersInfo(adptr_info, &adptr_info_len); 1026 1027 adptr_info = g_malloc(adptr_info_len); 1028 ret = GetAdaptersInfo(adptr_info, &adptr_info_len); 1029 if (ret != ERROR_SUCCESS) { 1030 g_free(adptr_info); 1031 adptr_info = NULL; 1032 } 1033 return adptr_info; 1034 } 1035 1036 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1037 { 1038 int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */ 1039 IP_ADAPTER_INFO *adptr_info, *info; 1040 IP_ADDR_STRING *ip; 1041 struct in_addr *p; 1042 1043 if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) { 1044 return prefix; 1045 } 1046 adptr_info = guest_get_adapters_info(); 1047 if (adptr_info == NULL) { 1048 return prefix; 1049 } 1050 1051 /* Match up the passed in ip_addr with one found in adaptr_info. 1052 * The matching one in adptr_info will have the netmask. 1053 */ 1054 p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr; 1055 for (info = adptr_info; info; info = info->Next) { 1056 for (ip = &info->IpAddressList; ip; ip = ip->Next) { 1057 if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) { 1058 prefix = ctpop32(inet_addr(ip->IpMask.String)); 1059 goto out; 1060 } 1061 } 1062 } 1063 out: 1064 g_free(adptr_info); 1065 return prefix; 1066 } 1067 #endif 1068 1069 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp) 1070 { 1071 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr; 1072 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL; 1073 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL; 1074 GuestIpAddressList *head_addr, *cur_addr; 1075 GuestNetworkInterfaceList *info; 1076 GuestIpAddressList *address_item = NULL; 1077 unsigned char *mac_addr; 1078 char *addr_str; 1079 WORD wsa_version; 1080 WSADATA wsa_data; 1081 int ret; 1082 1083 adptr_addrs = guest_get_adapters_addresses(errp); 1084 if (adptr_addrs == NULL) { 1085 return NULL; 1086 } 1087 1088 /* Make WSA APIs available. */ 1089 wsa_version = MAKEWORD(2, 2); 1090 ret = WSAStartup(wsa_version, &wsa_data); 1091 if (ret != 0) { 1092 error_setg_win32(errp, ret, "failed socket startup"); 1093 goto out; 1094 } 1095 1096 for (addr = adptr_addrs; addr; addr = addr->Next) { 1097 info = g_malloc0(sizeof(*info)); 1098 1099 if (cur_item == NULL) { 1100 head = cur_item = info; 1101 } else { 1102 cur_item->next = info; 1103 cur_item = info; 1104 } 1105 1106 info->value = g_malloc0(sizeof(*info->value)); 1107 info->value->name = guest_wctomb_dup(addr->FriendlyName); 1108 1109 if (addr->PhysicalAddressLength != 0) { 1110 mac_addr = addr->PhysicalAddress; 1111 1112 info->value->hardware_address = 1113 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x", 1114 (int) mac_addr[0], (int) mac_addr[1], 1115 (int) mac_addr[2], (int) mac_addr[3], 1116 (int) mac_addr[4], (int) mac_addr[5]); 1117 1118 info->value->has_hardware_address = true; 1119 } 1120 1121 head_addr = NULL; 1122 cur_addr = NULL; 1123 for (ip_addr = addr->FirstUnicastAddress; 1124 ip_addr; 1125 ip_addr = ip_addr->Next) { 1126 addr_str = guest_addr_to_str(ip_addr, errp); 1127 if (addr_str == NULL) { 1128 continue; 1129 } 1130 1131 address_item = g_malloc0(sizeof(*address_item)); 1132 1133 if (!cur_addr) { 1134 head_addr = cur_addr = address_item; 1135 } else { 1136 cur_addr->next = address_item; 1137 cur_addr = address_item; 1138 } 1139 1140 address_item->value = g_malloc0(sizeof(*address_item->value)); 1141 address_item->value->ip_address = addr_str; 1142 address_item->value->prefix = guest_ip_prefix(ip_addr); 1143 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) { 1144 address_item->value->ip_address_type = 1145 GUEST_IP_ADDRESS_TYPE_IPV4; 1146 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1147 address_item->value->ip_address_type = 1148 GUEST_IP_ADDRESS_TYPE_IPV6; 1149 } 1150 } 1151 if (head_addr) { 1152 info->value->has_ip_addresses = true; 1153 info->value->ip_addresses = head_addr; 1154 } 1155 } 1156 WSACleanup(); 1157 out: 1158 g_free(adptr_addrs); 1159 return head; 1160 } 1161 1162 int64_t qmp_guest_get_time(Error **errp) 1163 { 1164 SYSTEMTIME ts = {0}; 1165 int64_t time_ns; 1166 FILETIME tf; 1167 1168 GetSystemTime(&ts); 1169 if (ts.wYear < 1601 || ts.wYear > 30827) { 1170 error_setg(errp, "Failed to get time"); 1171 return -1; 1172 } 1173 1174 if (!SystemTimeToFileTime(&ts, &tf)) { 1175 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError()); 1176 return -1; 1177 } 1178 1179 time_ns = ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime) 1180 - W32_FT_OFFSET) * 100; 1181 1182 return time_ns; 1183 } 1184 1185 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) 1186 { 1187 Error *local_err = NULL; 1188 SYSTEMTIME ts; 1189 FILETIME tf; 1190 LONGLONG time; 1191 1192 if (!has_time) { 1193 /* Unfortunately, Windows libraries don't provide an easy way to access 1194 * RTC yet: 1195 * 1196 * https://msdn.microsoft.com/en-us/library/aa908981.aspx 1197 */ 1198 error_setg(errp, "Time argument is required on this platform"); 1199 return; 1200 } 1201 1202 /* Validate time passed by user. */ 1203 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { 1204 error_setg(errp, "Time %" PRId64 "is invalid", time_ns); 1205 return; 1206 } 1207 1208 time = time_ns / 100 + W32_FT_OFFSET; 1209 1210 tf.dwLowDateTime = (DWORD) time; 1211 tf.dwHighDateTime = (DWORD) (time >> 32); 1212 1213 if (!FileTimeToSystemTime(&tf, &ts)) { 1214 error_setg(errp, "Failed to convert system time %d", 1215 (int)GetLastError()); 1216 return; 1217 } 1218 1219 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err); 1220 if (local_err) { 1221 error_propagate(errp, local_err); 1222 return; 1223 } 1224 1225 if (!SetSystemTime(&ts)) { 1226 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); 1227 return; 1228 } 1229 } 1230 1231 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp) 1232 { 1233 error_setg(errp, QERR_UNSUPPORTED); 1234 return NULL; 1235 } 1236 1237 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp) 1238 { 1239 error_setg(errp, QERR_UNSUPPORTED); 1240 return -1; 1241 } 1242 1243 static gchar * 1244 get_net_error_message(gint error) 1245 { 1246 HMODULE module = NULL; 1247 gchar *retval = NULL; 1248 wchar_t *msg = NULL; 1249 int flags, nchars; 1250 1251 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER 1252 |FORMAT_MESSAGE_IGNORE_INSERTS 1253 |FORMAT_MESSAGE_FROM_SYSTEM; 1254 1255 if (error >= NERR_BASE && error <= MAX_NERR) { 1256 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE); 1257 1258 if (module != NULL) { 1259 flags |= FORMAT_MESSAGE_FROM_HMODULE; 1260 } 1261 } 1262 1263 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL); 1264 1265 if (msg != NULL) { 1266 nchars = wcslen(msg); 1267 1268 if (nchars > 2 && msg[nchars-1] == '\n' && msg[nchars-2] == '\r') { 1269 msg[nchars-2] = '\0'; 1270 } 1271 1272 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL); 1273 1274 LocalFree(msg); 1275 } 1276 1277 if (module != NULL) { 1278 FreeLibrary(module); 1279 } 1280 1281 return retval; 1282 } 1283 1284 void qmp_guest_set_user_password(const char *username, 1285 const char *password, 1286 bool crypted, 1287 Error **errp) 1288 { 1289 NET_API_STATUS nas; 1290 char *rawpasswddata = NULL; 1291 size_t rawpasswdlen; 1292 wchar_t *user, *wpass; 1293 USER_INFO_1003 pi1003 = { 0, }; 1294 1295 if (crypted) { 1296 error_setg(errp, QERR_UNSUPPORTED); 1297 return; 1298 } 1299 1300 rawpasswddata = (char *)qbase64_decode(password, -1, &rawpasswdlen, errp); 1301 if (!rawpasswddata) { 1302 return; 1303 } 1304 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1); 1305 rawpasswddata[rawpasswdlen] = '\0'; 1306 1307 user = g_utf8_to_utf16(username, -1, NULL, NULL, NULL); 1308 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, NULL); 1309 1310 pi1003.usri1003_password = wpass; 1311 nas = NetUserSetInfo(NULL, user, 1312 1003, (LPBYTE)&pi1003, 1313 NULL); 1314 1315 if (nas != NERR_Success) { 1316 gchar *msg = get_net_error_message(nas); 1317 error_setg(errp, "failed to set password: %s", msg); 1318 g_free(msg); 1319 } 1320 1321 g_free(user); 1322 g_free(wpass); 1323 g_free(rawpasswddata); 1324 } 1325 1326 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp) 1327 { 1328 error_setg(errp, QERR_UNSUPPORTED); 1329 return NULL; 1330 } 1331 1332 GuestMemoryBlockResponseList * 1333 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp) 1334 { 1335 error_setg(errp, QERR_UNSUPPORTED); 1336 return NULL; 1337 } 1338 1339 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp) 1340 { 1341 error_setg(errp, QERR_UNSUPPORTED); 1342 return NULL; 1343 } 1344 1345 /* add unsupported commands to the blacklist */ 1346 GList *ga_command_blacklist_init(GList *blacklist) 1347 { 1348 const char *list_unsupported[] = { 1349 "guest-suspend-hybrid", 1350 "guest-get-vcpus", "guest-set-vcpus", 1351 "guest-get-memory-blocks", "guest-set-memory-blocks", 1352 "guest-get-memory-block-size", 1353 "guest-fsfreeze-freeze-list", 1354 "guest-fstrim", NULL}; 1355 char **p = (char **)list_unsupported; 1356 1357 while (*p) { 1358 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1359 } 1360 1361 if (!vss_init(true)) { 1362 g_debug("vss_init failed, vss commands are going to be disabled"); 1363 const char *list[] = { 1364 "guest-get-fsinfo", "guest-fsfreeze-status", 1365 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL}; 1366 p = (char **)list; 1367 1368 while (*p) { 1369 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1370 } 1371 } 1372 1373 return blacklist; 1374 } 1375 1376 /* register init/cleanup routines for stateful command groups */ 1377 void ga_command_state_init(GAState *s, GACommandState *cs) 1378 { 1379 if (!vss_initialized()) { 1380 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup); 1381 } 1382 } 1383