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 <glib.h> 15 #include <wtypes.h> 16 #include <powrprof.h> 17 #include <stdio.h> 18 #include <string.h> 19 #include <winsock2.h> 20 #include <ws2tcpip.h> 21 #include <iptypes.h> 22 #include <iphlpapi.h> 23 #ifdef CONFIG_QGA_NTDDSCSI 24 #include <winioctl.h> 25 #include <ntddscsi.h> 26 #include <setupapi.h> 27 #include <initguid.h> 28 #endif 29 #include <lm.h> 30 31 #include "qga/guest-agent-core.h" 32 #include "qga/vss-win32.h" 33 #include "qga-qmp-commands.h" 34 #include "qapi/qmp/qerror.h" 35 #include "qemu/queue.h" 36 #include "qemu/host-utils.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 = g_base64_decode(buf_b64, &buf_len); 361 362 if (!has_count) { 363 count = buf_len; 364 } else if (count < 0 || count > buf_len) { 365 error_setg(errp, "value '%" PRId64 366 "' is invalid for argument count", count); 367 goto done; 368 } 369 370 is_ok = WriteFile(fh, buf, count, &write_count, NULL); 371 if (!is_ok) { 372 error_setg_win32(errp, GetLastError(), "failed to write to file"); 373 slog("guest-file-write-failed, handle: %" PRId64, handle); 374 } else { 375 write_data = g_new0(GuestFileWrite, 1); 376 write_data->count = (size_t) write_count; 377 } 378 379 done: 380 g_free(buf); 381 return write_data; 382 } 383 384 GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset, 385 int64_t whence, Error **errp) 386 { 387 GuestFileHandle *gfh; 388 GuestFileSeek *seek_data; 389 HANDLE fh; 390 LARGE_INTEGER new_pos, off_pos; 391 off_pos.QuadPart = offset; 392 BOOL res; 393 gfh = guest_file_handle_find(handle, errp); 394 if (!gfh) { 395 return NULL; 396 } 397 398 fh = gfh->fh; 399 res = SetFilePointerEx(fh, off_pos, &new_pos, whence); 400 if (!res) { 401 error_setg_win32(errp, GetLastError(), "failed to seek file"); 402 return NULL; 403 } 404 seek_data = g_new0(GuestFileSeek, 1); 405 seek_data->position = new_pos.QuadPart; 406 return seek_data; 407 } 408 409 void qmp_guest_file_flush(int64_t handle, Error **errp) 410 { 411 HANDLE fh; 412 GuestFileHandle *gfh = guest_file_handle_find(handle, errp); 413 if (!gfh) { 414 return; 415 } 416 417 fh = gfh->fh; 418 if (!FlushFileBuffers(fh)) { 419 error_setg_win32(errp, GetLastError(), "failed to flush file"); 420 } 421 } 422 423 #ifdef CONFIG_QGA_NTDDSCSI 424 425 static STORAGE_BUS_TYPE win2qemu[] = { 426 [BusTypeUnknown] = GUEST_DISK_BUS_TYPE_UNKNOWN, 427 [BusTypeScsi] = GUEST_DISK_BUS_TYPE_SCSI, 428 [BusTypeAtapi] = GUEST_DISK_BUS_TYPE_IDE, 429 [BusTypeAta] = GUEST_DISK_BUS_TYPE_IDE, 430 [BusType1394] = GUEST_DISK_BUS_TYPE_IEEE1394, 431 [BusTypeSsa] = GUEST_DISK_BUS_TYPE_SSA, 432 [BusTypeFibre] = GUEST_DISK_BUS_TYPE_SSA, 433 [BusTypeUsb] = GUEST_DISK_BUS_TYPE_USB, 434 [BusTypeRAID] = GUEST_DISK_BUS_TYPE_RAID, 435 #if (_WIN32_WINNT >= 0x0600) 436 [BusTypeiScsi] = GUEST_DISK_BUS_TYPE_ISCSI, 437 [BusTypeSas] = GUEST_DISK_BUS_TYPE_SAS, 438 [BusTypeSata] = GUEST_DISK_BUS_TYPE_SATA, 439 [BusTypeSd] = GUEST_DISK_BUS_TYPE_SD, 440 [BusTypeMmc] = GUEST_DISK_BUS_TYPE_MMC, 441 #endif 442 #if (_WIN32_WINNT >= 0x0601) 443 [BusTypeVirtual] = GUEST_DISK_BUS_TYPE_VIRTUAL, 444 [BusTypeFileBackedVirtual] = GUEST_DISK_BUS_TYPE_FILE_BACKED_VIRTUAL, 445 #endif 446 }; 447 448 static GuestDiskBusType find_bus_type(STORAGE_BUS_TYPE bus) 449 { 450 if (bus > ARRAY_SIZE(win2qemu) || (int)bus < 0) { 451 return GUEST_DISK_BUS_TYPE_UNKNOWN; 452 } 453 return win2qemu[(int)bus]; 454 } 455 456 DEFINE_GUID(GUID_DEVINTERFACE_VOLUME, 457 0x53f5630dL, 0xb6bf, 0x11d0, 0x94, 0xf2, 458 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b); 459 460 static GuestPCIAddress *get_pci_info(char *guid, Error **errp) 461 { 462 HDEVINFO dev_info; 463 SP_DEVINFO_DATA dev_info_data; 464 DWORD size = 0; 465 int i; 466 char dev_name[MAX_PATH]; 467 char *buffer = NULL; 468 GuestPCIAddress *pci = NULL; 469 char *name = g_strdup(&guid[4]); 470 471 if (!QueryDosDevice(name, dev_name, ARRAY_SIZE(dev_name))) { 472 error_setg_win32(errp, GetLastError(), "failed to get dos device name"); 473 goto out; 474 } 475 476 dev_info = SetupDiGetClassDevs(&GUID_DEVINTERFACE_VOLUME, 0, 0, 477 DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); 478 if (dev_info == INVALID_HANDLE_VALUE) { 479 error_setg_win32(errp, GetLastError(), "failed to get devices tree"); 480 goto out; 481 } 482 483 dev_info_data.cbSize = sizeof(SP_DEVINFO_DATA); 484 for (i = 0; SetupDiEnumDeviceInfo(dev_info, i, &dev_info_data); i++) { 485 DWORD addr, bus, slot, func, dev, data, size2; 486 while (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 487 SPDRP_PHYSICAL_DEVICE_OBJECT_NAME, 488 &data, (PBYTE)buffer, size, 489 &size2)) { 490 size = MAX(size, size2); 491 if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) { 492 g_free(buffer); 493 /* Double the size to avoid problems on 494 * W2k MBCS systems per KB 888609. 495 * https://support.microsoft.com/en-us/kb/259695 */ 496 buffer = g_malloc(size * 2); 497 } else { 498 error_setg_win32(errp, GetLastError(), 499 "failed to get device name"); 500 goto out; 501 } 502 } 503 504 if (g_strcmp0(buffer, dev_name)) { 505 continue; 506 } 507 508 /* There is no need to allocate buffer in the next functions. The size 509 * is known and ULONG according to 510 * https://support.microsoft.com/en-us/kb/253232 511 * https://msdn.microsoft.com/en-us/library/windows/hardware/ff543095(v=vs.85).aspx 512 */ 513 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 514 SPDRP_BUSNUMBER, &data, (PBYTE)&bus, size, NULL)) { 515 break; 516 } 517 518 /* The function retrieves the device's address. This value will be 519 * transformed into device function and number */ 520 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 521 SPDRP_ADDRESS, &data, (PBYTE)&addr, size, NULL)) { 522 break; 523 } 524 525 /* This call returns UINumber of DEVICE_CAPABILITIES structure. 526 * This number is typically a user-perceived slot number. */ 527 if (!SetupDiGetDeviceRegistryProperty(dev_info, &dev_info_data, 528 SPDRP_UI_NUMBER, &data, (PBYTE)&slot, size, NULL)) { 529 break; 530 } 531 532 /* SetupApi gives us the same information as driver with 533 * IoGetDeviceProperty. According to Microsoft 534 * https://support.microsoft.com/en-us/kb/253232 535 * FunctionNumber = (USHORT)((propertyAddress) & 0x0000FFFF); 536 * DeviceNumber = (USHORT)(((propertyAddress) >> 16) & 0x0000FFFF); 537 * SPDRP_ADDRESS is propertyAddress, so we do the same.*/ 538 539 func = addr & 0x0000FFFF; 540 dev = (addr >> 16) & 0x0000FFFF; 541 pci = g_malloc0(sizeof(*pci)); 542 pci->domain = dev; 543 pci->slot = slot; 544 pci->function = func; 545 pci->bus = bus; 546 break; 547 } 548 out: 549 g_free(buffer); 550 g_free(name); 551 return pci; 552 } 553 554 static int get_disk_bus_type(HANDLE vol_h, Error **errp) 555 { 556 STORAGE_PROPERTY_QUERY query; 557 STORAGE_DEVICE_DESCRIPTOR *dev_desc, buf; 558 DWORD received; 559 560 dev_desc = &buf; 561 dev_desc->Size = sizeof(buf); 562 query.PropertyId = StorageDeviceProperty; 563 query.QueryType = PropertyStandardQuery; 564 565 if (!DeviceIoControl(vol_h, IOCTL_STORAGE_QUERY_PROPERTY, &query, 566 sizeof(STORAGE_PROPERTY_QUERY), dev_desc, 567 dev_desc->Size, &received, NULL)) { 568 error_setg_win32(errp, GetLastError(), "failed to get bus type"); 569 return -1; 570 } 571 572 return dev_desc->BusType; 573 } 574 575 /* VSS provider works with volumes, thus there is no difference if 576 * the volume consist of spanned disks. Info about the first disk in the 577 * volume is returned for the spanned disk group (LVM) */ 578 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 579 { 580 GuestDiskAddressList *list = NULL; 581 GuestDiskAddress *disk; 582 SCSI_ADDRESS addr, *scsi_ad; 583 DWORD len; 584 int bus; 585 HANDLE vol_h; 586 587 scsi_ad = &addr; 588 char *name = g_strndup(guid, strlen(guid)-1); 589 590 vol_h = CreateFile(name, 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, 591 0, NULL); 592 if (vol_h == INVALID_HANDLE_VALUE) { 593 error_setg_win32(errp, GetLastError(), "failed to open volume"); 594 goto out_free; 595 } 596 597 bus = get_disk_bus_type(vol_h, errp); 598 if (bus < 0) { 599 goto out_close; 600 } 601 602 disk = g_malloc0(sizeof(*disk)); 603 disk->bus_type = find_bus_type(bus); 604 if (bus == BusTypeScsi || bus == BusTypeAta || bus == BusTypeRAID 605 #if (_WIN32_WINNT >= 0x0600) 606 /* This bus type is not supported before Windows Server 2003 SP1 */ 607 || bus == BusTypeSas 608 #endif 609 ) { 610 /* We are able to use the same ioctls for different bus types 611 * according to Microsoft docs 612 * https://technet.microsoft.com/en-us/library/ee851589(v=ws.10).aspx */ 613 if (DeviceIoControl(vol_h, IOCTL_SCSI_GET_ADDRESS, NULL, 0, scsi_ad, 614 sizeof(SCSI_ADDRESS), &len, NULL)) { 615 disk->unit = addr.Lun; 616 disk->target = addr.TargetId; 617 disk->bus = addr.PathId; 618 disk->pci_controller = get_pci_info(name, errp); 619 } 620 /* We do not set error in this case, because we still have enough 621 * information about volume. */ 622 } else { 623 disk->pci_controller = NULL; 624 } 625 626 list = g_malloc0(sizeof(*list)); 627 list->value = disk; 628 list->next = NULL; 629 out_close: 630 CloseHandle(vol_h); 631 out_free: 632 g_free(name); 633 return list; 634 } 635 636 #else 637 638 static GuestDiskAddressList *build_guest_disk_info(char *guid, Error **errp) 639 { 640 return NULL; 641 } 642 643 #endif /* CONFIG_QGA_NTDDSCSI */ 644 645 static GuestFilesystemInfo *build_guest_fsinfo(char *guid, Error **errp) 646 { 647 DWORD info_size; 648 char mnt, *mnt_point; 649 char fs_name[32]; 650 char vol_info[MAX_PATH+1]; 651 size_t len; 652 GuestFilesystemInfo *fs = NULL; 653 654 GetVolumePathNamesForVolumeName(guid, (LPCH)&mnt, 0, &info_size); 655 if (GetLastError() != ERROR_MORE_DATA) { 656 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 657 return NULL; 658 } 659 660 mnt_point = g_malloc(info_size + 1); 661 if (!GetVolumePathNamesForVolumeName(guid, mnt_point, info_size, 662 &info_size)) { 663 error_setg_win32(errp, GetLastError(), "failed to get volume name"); 664 goto free; 665 } 666 667 len = strlen(mnt_point); 668 mnt_point[len] = '\\'; 669 mnt_point[len+1] = 0; 670 if (!GetVolumeInformation(mnt_point, vol_info, sizeof(vol_info), NULL, NULL, 671 NULL, (LPSTR)&fs_name, sizeof(fs_name))) { 672 if (GetLastError() != ERROR_NOT_READY) { 673 error_setg_win32(errp, GetLastError(), "failed to get volume info"); 674 } 675 goto free; 676 } 677 678 fs_name[sizeof(fs_name) - 1] = 0; 679 fs = g_malloc(sizeof(*fs)); 680 fs->name = g_strdup(guid); 681 if (len == 0) { 682 fs->mountpoint = g_strdup("System Reserved"); 683 } else { 684 fs->mountpoint = g_strndup(mnt_point, len); 685 } 686 fs->type = g_strdup(fs_name); 687 fs->disk = build_guest_disk_info(guid, errp); 688 free: 689 g_free(mnt_point); 690 return fs; 691 } 692 693 GuestFilesystemInfoList *qmp_guest_get_fsinfo(Error **errp) 694 { 695 HANDLE vol_h; 696 GuestFilesystemInfoList *new, *ret = NULL; 697 char guid[256]; 698 699 vol_h = FindFirstVolume(guid, sizeof(guid)); 700 if (vol_h == INVALID_HANDLE_VALUE) { 701 error_setg_win32(errp, GetLastError(), "failed to find any volume"); 702 return NULL; 703 } 704 705 do { 706 GuestFilesystemInfo *info = build_guest_fsinfo(guid, errp); 707 if (info == NULL) { 708 continue; 709 } 710 new = g_malloc(sizeof(*ret)); 711 new->value = info; 712 new->next = ret; 713 ret = new; 714 } while (FindNextVolume(vol_h, guid, sizeof(guid))); 715 716 if (GetLastError() != ERROR_NO_MORE_FILES) { 717 error_setg_win32(errp, GetLastError(), "failed to find next volume"); 718 } 719 720 FindVolumeClose(vol_h); 721 return ret; 722 } 723 724 /* 725 * Return status of freeze/thaw 726 */ 727 GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp) 728 { 729 if (!vss_initialized()) { 730 error_setg(errp, QERR_UNSUPPORTED); 731 return 0; 732 } 733 734 if (ga_is_frozen(ga_state)) { 735 return GUEST_FSFREEZE_STATUS_FROZEN; 736 } 737 738 return GUEST_FSFREEZE_STATUS_THAWED; 739 } 740 741 /* 742 * Freeze local file systems using Volume Shadow-copy Service. 743 * The frozen state is limited for up to 10 seconds by VSS. 744 */ 745 int64_t qmp_guest_fsfreeze_freeze(Error **errp) 746 { 747 int i; 748 Error *local_err = NULL; 749 750 if (!vss_initialized()) { 751 error_setg(errp, QERR_UNSUPPORTED); 752 return 0; 753 } 754 755 slog("guest-fsfreeze called"); 756 757 /* cannot risk guest agent blocking itself on a write in this state */ 758 ga_set_frozen(ga_state); 759 760 qga_vss_fsfreeze(&i, &local_err, true); 761 if (local_err) { 762 error_propagate(errp, local_err); 763 goto error; 764 } 765 766 return i; 767 768 error: 769 local_err = NULL; 770 qmp_guest_fsfreeze_thaw(&local_err); 771 if (local_err) { 772 g_debug("cleanup thaw: %s", error_get_pretty(local_err)); 773 error_free(local_err); 774 } 775 return 0; 776 } 777 778 int64_t qmp_guest_fsfreeze_freeze_list(bool has_mountpoints, 779 strList *mountpoints, 780 Error **errp) 781 { 782 error_setg(errp, QERR_UNSUPPORTED); 783 784 return 0; 785 } 786 787 /* 788 * Thaw local file systems using Volume Shadow-copy Service. 789 */ 790 int64_t qmp_guest_fsfreeze_thaw(Error **errp) 791 { 792 int i; 793 794 if (!vss_initialized()) { 795 error_setg(errp, QERR_UNSUPPORTED); 796 return 0; 797 } 798 799 qga_vss_fsfreeze(&i, errp, false); 800 801 ga_unset_frozen(ga_state); 802 return i; 803 } 804 805 static void guest_fsfreeze_cleanup(void) 806 { 807 Error *err = NULL; 808 809 if (!vss_initialized()) { 810 return; 811 } 812 813 if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) { 814 qmp_guest_fsfreeze_thaw(&err); 815 if (err) { 816 slog("failed to clean up frozen filesystems: %s", 817 error_get_pretty(err)); 818 error_free(err); 819 } 820 } 821 822 vss_deinit(true); 823 } 824 825 /* 826 * Walk list of mounted file systems in the guest, and discard unused 827 * areas. 828 */ 829 GuestFilesystemTrimResponse * 830 qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp) 831 { 832 error_setg(errp, QERR_UNSUPPORTED); 833 return NULL; 834 } 835 836 typedef enum { 837 GUEST_SUSPEND_MODE_DISK, 838 GUEST_SUSPEND_MODE_RAM 839 } GuestSuspendMode; 840 841 static void check_suspend_mode(GuestSuspendMode mode, Error **errp) 842 { 843 SYSTEM_POWER_CAPABILITIES sys_pwr_caps; 844 Error *local_err = NULL; 845 846 ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps)); 847 if (!GetPwrCapabilities(&sys_pwr_caps)) { 848 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 849 "failed to determine guest suspend capabilities"); 850 goto out; 851 } 852 853 switch (mode) { 854 case GUEST_SUSPEND_MODE_DISK: 855 if (!sys_pwr_caps.SystemS4) { 856 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 857 "suspend-to-disk not supported by OS"); 858 } 859 break; 860 case GUEST_SUSPEND_MODE_RAM: 861 if (!sys_pwr_caps.SystemS3) { 862 error_setg(&local_err, QERR_QGA_COMMAND_FAILED, 863 "suspend-to-ram not supported by OS"); 864 } 865 break; 866 default: 867 error_setg(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode", 868 "GuestSuspendMode"); 869 } 870 871 out: 872 if (local_err) { 873 error_propagate(errp, local_err); 874 } 875 } 876 877 static DWORD WINAPI do_suspend(LPVOID opaque) 878 { 879 GuestSuspendMode *mode = opaque; 880 DWORD ret = 0; 881 882 if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) { 883 slog("failed to suspend guest, %lu", GetLastError()); 884 ret = -1; 885 } 886 g_free(mode); 887 return ret; 888 } 889 890 void qmp_guest_suspend_disk(Error **errp) 891 { 892 Error *local_err = NULL; 893 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 894 895 *mode = GUEST_SUSPEND_MODE_DISK; 896 check_suspend_mode(*mode, &local_err); 897 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 898 execute_async(do_suspend, mode, &local_err); 899 900 if (local_err) { 901 error_propagate(errp, local_err); 902 g_free(mode); 903 } 904 } 905 906 void qmp_guest_suspend_ram(Error **errp) 907 { 908 Error *local_err = NULL; 909 GuestSuspendMode *mode = g_new(GuestSuspendMode, 1); 910 911 *mode = GUEST_SUSPEND_MODE_RAM; 912 check_suspend_mode(*mode, &local_err); 913 acquire_privilege(SE_SHUTDOWN_NAME, &local_err); 914 execute_async(do_suspend, mode, &local_err); 915 916 if (local_err) { 917 error_propagate(errp, local_err); 918 g_free(mode); 919 } 920 } 921 922 void qmp_guest_suspend_hybrid(Error **errp) 923 { 924 error_setg(errp, QERR_UNSUPPORTED); 925 } 926 927 static IP_ADAPTER_ADDRESSES *guest_get_adapters_addresses(Error **errp) 928 { 929 IP_ADAPTER_ADDRESSES *adptr_addrs = NULL; 930 ULONG adptr_addrs_len = 0; 931 DWORD ret; 932 933 /* Call the first time to get the adptr_addrs_len. */ 934 GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 935 NULL, adptr_addrs, &adptr_addrs_len); 936 937 adptr_addrs = g_malloc(adptr_addrs_len); 938 ret = GetAdaptersAddresses(AF_UNSPEC, GAA_FLAG_INCLUDE_PREFIX, 939 NULL, adptr_addrs, &adptr_addrs_len); 940 if (ret != ERROR_SUCCESS) { 941 error_setg_win32(errp, ret, "failed to get adapters addresses"); 942 g_free(adptr_addrs); 943 adptr_addrs = NULL; 944 } 945 return adptr_addrs; 946 } 947 948 static char *guest_wctomb_dup(WCHAR *wstr) 949 { 950 char *str; 951 size_t i; 952 953 i = wcslen(wstr) + 1; 954 str = g_malloc(i); 955 WideCharToMultiByte(CP_ACP, WC_COMPOSITECHECK, 956 wstr, -1, str, i, NULL, NULL); 957 return str; 958 } 959 960 static char *guest_addr_to_str(IP_ADAPTER_UNICAST_ADDRESS *ip_addr, 961 Error **errp) 962 { 963 char addr_str[INET6_ADDRSTRLEN + INET_ADDRSTRLEN]; 964 DWORD len; 965 int ret; 966 967 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET || 968 ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 969 len = sizeof(addr_str); 970 ret = WSAAddressToString(ip_addr->Address.lpSockaddr, 971 ip_addr->Address.iSockaddrLength, 972 NULL, 973 addr_str, 974 &len); 975 if (ret != 0) { 976 error_setg_win32(errp, WSAGetLastError(), 977 "failed address presentation form conversion"); 978 return NULL; 979 } 980 return g_strdup(addr_str); 981 } 982 return NULL; 983 } 984 985 #if (_WIN32_WINNT >= 0x0600) 986 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 987 { 988 /* For Windows Vista/2008 and newer, use the OnLinkPrefixLength 989 * field to obtain the prefix. 990 */ 991 return ip_addr->OnLinkPrefixLength; 992 } 993 #else 994 /* When using the Windows XP and 2003 build environment, do the best we can to 995 * figure out the prefix. 996 */ 997 static IP_ADAPTER_INFO *guest_get_adapters_info(void) 998 { 999 IP_ADAPTER_INFO *adptr_info = NULL; 1000 ULONG adptr_info_len = 0; 1001 DWORD ret; 1002 1003 /* Call the first time to get the adptr_info_len. */ 1004 GetAdaptersInfo(adptr_info, &adptr_info_len); 1005 1006 adptr_info = g_malloc(adptr_info_len); 1007 ret = GetAdaptersInfo(adptr_info, &adptr_info_len); 1008 if (ret != ERROR_SUCCESS) { 1009 g_free(adptr_info); 1010 adptr_info = NULL; 1011 } 1012 return adptr_info; 1013 } 1014 1015 static int64_t guest_ip_prefix(IP_ADAPTER_UNICAST_ADDRESS *ip_addr) 1016 { 1017 int64_t prefix = -1; /* Use for AF_INET6 and unknown/undetermined values. */ 1018 IP_ADAPTER_INFO *adptr_info, *info; 1019 IP_ADDR_STRING *ip; 1020 struct in_addr *p; 1021 1022 if (ip_addr->Address.lpSockaddr->sa_family != AF_INET) { 1023 return prefix; 1024 } 1025 adptr_info = guest_get_adapters_info(); 1026 if (adptr_info == NULL) { 1027 return prefix; 1028 } 1029 1030 /* Match up the passed in ip_addr with one found in adaptr_info. 1031 * The matching one in adptr_info will have the netmask. 1032 */ 1033 p = &((struct sockaddr_in *)ip_addr->Address.lpSockaddr)->sin_addr; 1034 for (info = adptr_info; info; info = info->Next) { 1035 for (ip = &info->IpAddressList; ip; ip = ip->Next) { 1036 if (p->S_un.S_addr == inet_addr(ip->IpAddress.String)) { 1037 prefix = ctpop32(inet_addr(ip->IpMask.String)); 1038 goto out; 1039 } 1040 } 1041 } 1042 out: 1043 g_free(adptr_info); 1044 return prefix; 1045 } 1046 #endif 1047 1048 GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp) 1049 { 1050 IP_ADAPTER_ADDRESSES *adptr_addrs, *addr; 1051 IP_ADAPTER_UNICAST_ADDRESS *ip_addr = NULL; 1052 GuestNetworkInterfaceList *head = NULL, *cur_item = NULL; 1053 GuestIpAddressList *head_addr, *cur_addr; 1054 GuestNetworkInterfaceList *info; 1055 GuestIpAddressList *address_item = NULL; 1056 unsigned char *mac_addr; 1057 char *addr_str; 1058 WORD wsa_version; 1059 WSADATA wsa_data; 1060 int ret; 1061 1062 adptr_addrs = guest_get_adapters_addresses(errp); 1063 if (adptr_addrs == NULL) { 1064 return NULL; 1065 } 1066 1067 /* Make WSA APIs available. */ 1068 wsa_version = MAKEWORD(2, 2); 1069 ret = WSAStartup(wsa_version, &wsa_data); 1070 if (ret != 0) { 1071 error_setg_win32(errp, ret, "failed socket startup"); 1072 goto out; 1073 } 1074 1075 for (addr = adptr_addrs; addr; addr = addr->Next) { 1076 info = g_malloc0(sizeof(*info)); 1077 1078 if (cur_item == NULL) { 1079 head = cur_item = info; 1080 } else { 1081 cur_item->next = info; 1082 cur_item = info; 1083 } 1084 1085 info->value = g_malloc0(sizeof(*info->value)); 1086 info->value->name = guest_wctomb_dup(addr->FriendlyName); 1087 1088 if (addr->PhysicalAddressLength != 0) { 1089 mac_addr = addr->PhysicalAddress; 1090 1091 info->value->hardware_address = 1092 g_strdup_printf("%02x:%02x:%02x:%02x:%02x:%02x", 1093 (int) mac_addr[0], (int) mac_addr[1], 1094 (int) mac_addr[2], (int) mac_addr[3], 1095 (int) mac_addr[4], (int) mac_addr[5]); 1096 1097 info->value->has_hardware_address = true; 1098 } 1099 1100 head_addr = NULL; 1101 cur_addr = NULL; 1102 for (ip_addr = addr->FirstUnicastAddress; 1103 ip_addr; 1104 ip_addr = ip_addr->Next) { 1105 addr_str = guest_addr_to_str(ip_addr, errp); 1106 if (addr_str == NULL) { 1107 continue; 1108 } 1109 1110 address_item = g_malloc0(sizeof(*address_item)); 1111 1112 if (!cur_addr) { 1113 head_addr = cur_addr = address_item; 1114 } else { 1115 cur_addr->next = address_item; 1116 cur_addr = address_item; 1117 } 1118 1119 address_item->value = g_malloc0(sizeof(*address_item->value)); 1120 address_item->value->ip_address = addr_str; 1121 address_item->value->prefix = guest_ip_prefix(ip_addr); 1122 if (ip_addr->Address.lpSockaddr->sa_family == AF_INET) { 1123 address_item->value->ip_address_type = 1124 GUEST_IP_ADDRESS_TYPE_IPV4; 1125 } else if (ip_addr->Address.lpSockaddr->sa_family == AF_INET6) { 1126 address_item->value->ip_address_type = 1127 GUEST_IP_ADDRESS_TYPE_IPV6; 1128 } 1129 } 1130 if (head_addr) { 1131 info->value->has_ip_addresses = true; 1132 info->value->ip_addresses = head_addr; 1133 } 1134 } 1135 WSACleanup(); 1136 out: 1137 g_free(adptr_addrs); 1138 return head; 1139 } 1140 1141 int64_t qmp_guest_get_time(Error **errp) 1142 { 1143 SYSTEMTIME ts = {0}; 1144 int64_t time_ns; 1145 FILETIME tf; 1146 1147 GetSystemTime(&ts); 1148 if (ts.wYear < 1601 || ts.wYear > 30827) { 1149 error_setg(errp, "Failed to get time"); 1150 return -1; 1151 } 1152 1153 if (!SystemTimeToFileTime(&ts, &tf)) { 1154 error_setg(errp, "Failed to convert system time: %d", (int)GetLastError()); 1155 return -1; 1156 } 1157 1158 time_ns = ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime) 1159 - W32_FT_OFFSET) * 100; 1160 1161 return time_ns; 1162 } 1163 1164 void qmp_guest_set_time(bool has_time, int64_t time_ns, Error **errp) 1165 { 1166 Error *local_err = NULL; 1167 SYSTEMTIME ts; 1168 FILETIME tf; 1169 LONGLONG time; 1170 1171 if (!has_time) { 1172 /* Unfortunately, Windows libraries don't provide an easy way to access 1173 * RTC yet: 1174 * 1175 * https://msdn.microsoft.com/en-us/library/aa908981.aspx 1176 */ 1177 error_setg(errp, "Time argument is required on this platform"); 1178 return; 1179 } 1180 1181 /* Validate time passed by user. */ 1182 if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) { 1183 error_setg(errp, "Time %" PRId64 "is invalid", time_ns); 1184 return; 1185 } 1186 1187 time = time_ns / 100 + W32_FT_OFFSET; 1188 1189 tf.dwLowDateTime = (DWORD) time; 1190 tf.dwHighDateTime = (DWORD) (time >> 32); 1191 1192 if (!FileTimeToSystemTime(&tf, &ts)) { 1193 error_setg(errp, "Failed to convert system time %d", 1194 (int)GetLastError()); 1195 return; 1196 } 1197 1198 acquire_privilege(SE_SYSTEMTIME_NAME, &local_err); 1199 if (local_err) { 1200 error_propagate(errp, local_err); 1201 return; 1202 } 1203 1204 if (!SetSystemTime(&ts)) { 1205 error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError()); 1206 return; 1207 } 1208 } 1209 1210 GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp) 1211 { 1212 error_setg(errp, QERR_UNSUPPORTED); 1213 return NULL; 1214 } 1215 1216 int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp) 1217 { 1218 error_setg(errp, QERR_UNSUPPORTED); 1219 return -1; 1220 } 1221 1222 static gchar * 1223 get_net_error_message(gint error) 1224 { 1225 HMODULE module = NULL; 1226 gchar *retval = NULL; 1227 wchar_t *msg = NULL; 1228 int flags, nchars; 1229 1230 flags = FORMAT_MESSAGE_ALLOCATE_BUFFER 1231 |FORMAT_MESSAGE_IGNORE_INSERTS 1232 |FORMAT_MESSAGE_FROM_SYSTEM; 1233 1234 if (error >= NERR_BASE && error <= MAX_NERR) { 1235 module = LoadLibraryExW(L"netmsg.dll", NULL, LOAD_LIBRARY_AS_DATAFILE); 1236 1237 if (module != NULL) { 1238 flags |= FORMAT_MESSAGE_FROM_HMODULE; 1239 } 1240 } 1241 1242 FormatMessageW(flags, module, error, 0, (LPWSTR)&msg, 0, NULL); 1243 1244 if (msg != NULL) { 1245 nchars = wcslen(msg); 1246 1247 if (nchars > 2 && msg[nchars-1] == '\n' && msg[nchars-2] == '\r') { 1248 msg[nchars-2] = '\0'; 1249 } 1250 1251 retval = g_utf16_to_utf8(msg, -1, NULL, NULL, NULL); 1252 1253 LocalFree(msg); 1254 } 1255 1256 if (module != NULL) { 1257 FreeLibrary(module); 1258 } 1259 1260 return retval; 1261 } 1262 1263 void qmp_guest_set_user_password(const char *username, 1264 const char *password, 1265 bool crypted, 1266 Error **errp) 1267 { 1268 NET_API_STATUS nas; 1269 char *rawpasswddata = NULL; 1270 size_t rawpasswdlen; 1271 wchar_t *user, *wpass; 1272 USER_INFO_1003 pi1003 = { 0, }; 1273 1274 if (crypted) { 1275 error_setg(errp, QERR_UNSUPPORTED); 1276 return; 1277 } 1278 1279 rawpasswddata = (char *)g_base64_decode(password, &rawpasswdlen); 1280 rawpasswddata = g_renew(char, rawpasswddata, rawpasswdlen + 1); 1281 rawpasswddata[rawpasswdlen] = '\0'; 1282 1283 user = g_utf8_to_utf16(username, -1, NULL, NULL, NULL); 1284 wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, NULL); 1285 1286 pi1003.usri1003_password = wpass; 1287 nas = NetUserSetInfo(NULL, user, 1288 1003, (LPBYTE)&pi1003, 1289 NULL); 1290 1291 if (nas != NERR_Success) { 1292 gchar *msg = get_net_error_message(nas); 1293 error_setg(errp, "failed to set password: %s", msg); 1294 g_free(msg); 1295 } 1296 1297 g_free(user); 1298 g_free(wpass); 1299 g_free(rawpasswddata); 1300 } 1301 1302 GuestMemoryBlockList *qmp_guest_get_memory_blocks(Error **errp) 1303 { 1304 error_setg(errp, QERR_UNSUPPORTED); 1305 return NULL; 1306 } 1307 1308 GuestMemoryBlockResponseList * 1309 qmp_guest_set_memory_blocks(GuestMemoryBlockList *mem_blks, Error **errp) 1310 { 1311 error_setg(errp, QERR_UNSUPPORTED); 1312 return NULL; 1313 } 1314 1315 GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp) 1316 { 1317 error_setg(errp, QERR_UNSUPPORTED); 1318 return NULL; 1319 } 1320 1321 /* add unsupported commands to the blacklist */ 1322 GList *ga_command_blacklist_init(GList *blacklist) 1323 { 1324 const char *list_unsupported[] = { 1325 "guest-suspend-hybrid", 1326 "guest-get-vcpus", "guest-set-vcpus", 1327 "guest-get-memory-blocks", "guest-set-memory-blocks", 1328 "guest-get-memory-block-size", 1329 "guest-fsfreeze-freeze-list", 1330 "guest-fstrim", NULL}; 1331 char **p = (char **)list_unsupported; 1332 1333 while (*p) { 1334 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1335 } 1336 1337 if (!vss_init(true)) { 1338 g_debug("vss_init failed, vss commands are going to be disabled"); 1339 const char *list[] = { 1340 "guest-get-fsinfo", "guest-fsfreeze-status", 1341 "guest-fsfreeze-freeze", "guest-fsfreeze-thaw", NULL}; 1342 p = (char **)list; 1343 1344 while (*p) { 1345 blacklist = g_list_append(blacklist, g_strdup(*p++)); 1346 } 1347 } 1348 1349 return blacklist; 1350 } 1351 1352 /* register init/cleanup routines for stateful command groups */ 1353 void ga_command_state_init(GAState *s, GACommandState *cs) 1354 { 1355 if (!vss_initialized()) { 1356 ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup); 1357 } 1358 } 1359